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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
A dentist's office might be the last place you'd expect to find candy, but Big Horn Dental has quite the collection after its ninth annual Cash for Candy event. Starting the day after Halloween, kids came in with candy and received $1 for every pound they brought in, up to five pounds.
The Bentall procedure represents the gold standard in the treatment of patients requiring aortic root replacement. The most common indications for redo Bentall are structural degeneration or graft infection. Redo aortic root replacement can be performed with low perioperative morbidity and death. The choice of the best conduit is still up for debate but is mandatory to guarantee the best and most durable option for the patient. New options are available to reduce mortality in older or fragile patients and can modify the conduit choice.
Totally endoscopic coronary artery bypass (TECAB) surgery can exclusively be undertaken with the aid of operative robots. In the past two decades, surgical remote manipulator systems—predominantly the daVinci® devices—have brought us the reality of endoscopic internal mammary artery harvesting and coronary bypass anastomoses via minimally invasive thoracic port access. Single up to quadruple TECAB interventions are recently feasible; the procedure can be delivered either as beating heart applying endoscopic vacuum stabilizer or under cardioplegic arrest on heart-lung machine. Significant surgical team learning curves are involved in a stepwise development of these complex procedures, including intense dry- and wet-lab trainings, endoscopic internal mammary artery harvesting and manual coronary anastomosis building through a thoracotomy. Increasing number of papers have been published regarding clinical TECAB series in the past decade. In arrested heart TECAB procedures on cardiopulmonary bypass, the conversion rate from port access to larger thoracic incision measures 15.1% and no perioperative mortality is observed in published records. Stroke, kidney failure and atrial fibrillation rates stay at 0.6, 0.4 and 12.9%, respectively. Analysis of beating heart TECAB procedures revealed a conversion rate of 15.3%, perioperative mortality 0.4%, stroke 0.3%, kidney failure 0.6% and atrial fibrillation 9.2%. Additionally, due to the obviously smaller surgical trauma, a remarkable fast return to normal daily activities can be demonstrated in clinical series of robotic assisted coronary bypass surgery. Short-term freedom of major adverse cardiac and cerebral events (MACCE) stays over 90%. Long-term studies reveal 5-year freedom of MACCE in the 75.2 to 83.1% range. Nowadays, total endoscopic coronary artery bypass grafting is a feasible and reproducible surgical method. Advanced hybrid coronary interventions offer complex multivessel TECAB with support of percutaneous coronary interventions (PCI). Combination of the above techniques widens the spectrum of minimally invasive therapeutic solutions concerning multivessel procedure including bilateral internal mammary grafts and drug-eluting stents.
Tracheobronchial injuries following blunt chest trauma are uncommon and diagnosed late. Tracheal rupture due to a fall from a height is rare. Early diagnosis and prompt treatment give gratifying results. We present a case of a 42-year-old man who was referred at our hospital with alleged history of fall from a height of about 12 ft from a tree. On presentation, the patient was haemodynamically stable and right-sided ICT was already inserted. There was a minimal surgical emphysema in the neck, a continuous air leak from the chest tube and a partially collapsed right lung on chest X-ray. After a few hours, he desaturated and was intubated. The right lung did not expand in spite of the second apical chest tube, and on ventilation, air leak increased. Tracheabronchial tear was suspected and computerised tomography scan revealed the site of damage and fibreoptic bronchoscopy confirmed the diagnosis. Emergency thoracotomy with primary repair of the right tracheabronchial tear was done. The patient recovered and post-operative course was uneventful.
In less time than it takes to blink, I went from sound asleep to wide awake. The only perk? I wouldn't be tempted to have a lazy morning.
Renowned Beverly Hills Cosmetic Dentist, Dr Rodney Raanan attained his Bachelor of Science degree in Anthropology at the University of California-Los Angeles . He went on to pursue a career in dentistry and obtained his Doctor of Dental Surgery degree from University of Southern California School of Dentistry .
Craven County has a long tradition of fundraising events, four of which last weekend raised more than $200,000, helping thousands of people. A number of charitable events spanning three days provided funding and services totaling more than $200,000, with an outreach to thousands of people.
This systematic review aimed to analyze the published evidence for the use of oral brush cytology for the early detection of oral cancer and oral potentially malignant disorders (OPMDs).
Literature was systematically searched through several databases: MEDLINE, EMBASE, PubMed, SCOPUS, Cochrane Library and Web of Science. Additional review was performed through cross checks on the bibliographies of selected articles. The inclusion criteria involved studies assessing the utility of oral brush cytology on human tissues and its applications in the diagnosis, screening or surveillance of oral cancer or OPMDs.
The search strategy resulted in 343 abstracts or full-text articles, of which 36 met the inclusion criteria. The year of publication ranged from 1994 to 2017, and a total of 4302 samples from OPMDs, oral squamous cell carcinoma, and healthy controls have been investigated. Baby toothbrush, Cytobrush, OralCDx®, and Orcellex® are the brushes that were used to obtain transepithelial mucosal samples for conventional and liquid-based cytology evaluation.
Findings from this paper indicate that meaningful evidence-based recommendations for the implementation of a minimally-invasive technique to be utilized as an adjunctive tool for screening and early detection of oral cancer and OPMDs are complicated from the reported studies in the literature. There is need for well-designed clinical studies to assess the accuracy of oral brush cytology utilizing validated cytological assessment criteria for the diagnosis and prediction of OPMDs.
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Hundreds of people in the Bay area received free dental, vision and medical service thanks to RAM, Remote Area Medical. RAM is the largest provider of free mobile medical clinics delivering high-quality dental, vision and medical care to underserved and uninsured individuals, children and families.
Dental Management of Patients Who Have Undergone Oral Cancer Therapy.
Dent Clin North Am. 2018 Jan;62(1):131-142
Authors: Villa A, Akintoye SO
Abstract
Oral cancer therapies are associated with orofacial complications that could result in dose-limiting cancer treatment and consequent suboptimal tumor control. Oral cancer treatment complications include oral mucositis, salivary gland hypofunction, odontogenic infections, pain, dermatitis, neurotoxicity, soft tissue fibrosis, trismus, osteoradionecrosis, and potential cancer recurrence. These complications significantly affect cancer survivorship, quality of life, and psychosocial status. Effective dental management of patients with oral cancer involves the coordination of care among several health care professionals before, during, and after cancer therapy. The goal is to minimize complications, and establish optimal quality of life for survivors.
PMID: 29126490 [PubMed - in process]
Dental Treatment Planning for the Patient with Oral Cancer.
Dent Clin North Am. 2018 Jan;62(1):121-130
Authors: Levi LE, Lalla RV
Abstract
Oral cancer therapy is associated with a multitude of head and neck sequelae that includes, but is not limited to, hyposalivation, increased risk for dental caries, osteoradionecrosis of the jaw, radiation fibrosis syndrome, mucositis, chemotherapy-induced neuropathy, dysgeusia, dysphagia, mucosal lesions, trismus, and infections. Preparing a comprehensive treatment plan for patients undergoing cancer therapy is essential to help minimize their risks for developing these oral and dental complications. In addition, dentists must take into account a patient's ongoing oncologic therapy for those patients who present to the dentist while concurrently receiving cancer treatment.
PMID: 29126489 [PubMed - in process]
Even if your child is a little bit older, it's never too late to arrange their first dental visit. Most parents do not realise the importance of beginning early dental care.
Gustavo Polacow Korn, Carlos Michaelis Jr., Vania Rosa Moraes
Braz J Otorhinolaryngol.2017;83:609-10
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Maria Petri, Magdalena Chirilă, Sorana D. Bolboacă, Marcel Cosgarea
Braz J Otorhinolaryngol.2017;83:611-8
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Arzu Tatar, Mukadder Korkmaz, Muhammed Yayla, Elif Polat, Hakan Uslu, Zekai Halici, Secil N. Parlak
Braz J Otorhinolaryngol.2017;83:619-26
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Cláudia Schweiger, Denise Manica, Carolina Fischer Becker, Larissa Santos Perez Abreu, Michelle Manzini, Leo Sekine, Gabriel Kuhl
Braz J Otorhinolaryngol.2017;83:627-32
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Gustavo F. Wandalsen, Carolina Miranda, Luis Felipe Ensina, Flavio Sano, Roberto Bleul Amazonas, Joyce Macedo da Silva, Dirceu Solé
Braz J Otorhinolaryngol.2017;83:633-9
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Seckin Ulusoy, Mehmet Emre Dinc, Abdullah Dalgic, Murat Topak, Denizhan Dizdar, Abdulhalim İs
Braz J Otorhinolaryngol.2017;83:640-5
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Sikarin Upala, Pattara Rattanawong, Wasawat Vutthikraivit, Anawin Sanguankeo
Braz J Otorhinolaryngol.2017;83:646-52
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Carlos Miguel Chiesa Estomba, Frank Alberto Betances Reinoso, Alejandra Osorio Velasquez, Olalla Castro Macia, Maria Jesus Gonzalez Cortés, Jesus Araujo Nores
Braz J Otorhinolaryngol.2017;83:653-8
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Maristela Mian Ferreira, Maurício Malavasi Ganança, Heloisa Helena Caovilla
Braz J Otorhinolaryngol.2017;83:659-64
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Gleide Viviani Maciel Almeida, Angela Ribas, Jorge Calleros
Braz J Otorhinolaryngol.2017;83:665-9
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Xue Jiang, Lichun Feng, Baoqiang Dai, Liping Li, Weiwei Lu
Braz J Otorhinolaryngol.2017;83:670-6
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Silke Anna Theresa Weber, Renata Mizusaki Iyomasa, Camila de Castro Corrêa, Wellington Novais Mafra Florentino, Giesela Fleischer Ferrari
Braz J Otorhinolaryngol.2017;83:677-82
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Shin Hye Kim, Seung Hoon Han, Yoonjae Song, Chang Sik Park, Jae‐Jin Song
Braz J Otorhinolaryngol.2017;83:683-90
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Metin Çeliker, Abdulkadir Özgür, Levent Tümkaya, Suat Terzi, Mustafa Yılmaz, Yıldıray Kalkan, Ender Erdoğan
Braz J Otorhinolaryngol.2017;83:691-6
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William Eduardo Pirola, Bianca Sakamoto Ribeiro Paiva, Eliane Marçon Barroso, David W. Kissane, Claudia Valéria Maseti Pimenta Serrano, Carlos Eduardo Paiva
Braz J Otorhinolaryngol.2017;83:697-704
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Vanessa Ramos Pires Dinarte, Anemari Ramos Dinarte dos Santos, Luiza Ferreira de Araújo, Mariah Guieiro Alves dos Reis, Edwin Tamashiro, Fabiana Cardoso Pereira Valera, Wilson Araújo da Silva Júnior, Wilma Terezinha Anselmo‐Lima
Braz J Otorhinolaryngol.2017;83:705-11
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Joana de Pinho Tavares, Carlos Augusto Costa Pires Oliveira, Rodolfo Prado Torres, Fayez Bahmad Jr.
Braz J Otorhinolaryngol.2017;83:712-9
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Dragoslava Djeric, Ivan Boricic, Nada Tomanovic, Ljiljana Cvorovic, Srbislav Blazic, Miljan Folic, Igor Djoric
Braz J Otorhinolaryngol.2017;83:720-2
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Mihael Ries, Mirjana Kostić, Jakov Ajduk, Robert Trotić, Vladimir Bedeković
Braz J Otorhinolaryngol.2017;83:723-5
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Eviatar Friedlander, Paula Martínez Pascual, Pedro Montilla de Mora, Bartolomé Scola Yurrita
Braz J Otorhinolaryngol.2017;83:726-9
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Dallas rapper 52 Savage is flaunting a new pair of pearly whites after receiving a new smile at Bensonhurst Dental in Brooklyn, New York. 52 uploaded several photos to Instagram with staff at the dental office before posting images of his dramatic dental makeover.
We read with interest the study by Bilginaylar1 who used a platelet-rich fibrin (PRF) clot for acute oroantral communication (OC). We agree with Dr Bilginaylar that flapless surgery provides much comfort in acute OC. However, we wish to make a few observations.
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A World Health Organisation report in 2004 [1] assessed the disease burden from indoor smoke generated from combustion of household solid fuels. The report estimated that globally about 50% of all households especially rural household (90%) utilize solid fuels for domestic use. The solid fuels commonly used were coal in China and biomass (crop residues, animal dung, and wood) in India and Africa. Most of this household have relatively poor ventilation thus increasing the exposure to the smoke. The report revealed that women and young children due to their household roles were the most exposed, resulting in chronic pulmonary disease in women and the children suffered from acute infections of the lower respiratory tract [1].
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This study compared stability, removal torque, bone implant contact (BIC) and area (BA) of implants installed simultaneously with onlay autografts or allografts in rabbits' tibias.
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The use of intranasal steroid drops for nasal obstruction in infants is common practice and can prevent more invasive surgical procedures; however, it is not without complication. We describe 2 cases of iatrogenic Cushing's secondary to nasal steroids in infants with nasal obstruction, discuss the etiology of this unusual complication, and review previous literature reports. While reporting in the literature is sparse, these cases highlight the risk of development of adrenal insufficiency with usage of nasal steroid drops in infants as well as the need for close monitoring of administration and tapering of the drops.
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In this research letter, I explain how the analysis of the citation network and of the co-citation network of a given topic and the use of the snowballing techniques can be useful to verify the eligibility of a paper for inclusion in the Living Systematic Review (LSR) of that topic.
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Nov 10 - Through its Community Grants Program, Delta Dental of Illinois Foundation awarded more than $175,000 to 19 nonprofit and community organizations with programs and services that will improve children's dental health in Illinois. Lora Vitek, Director of philanthropy and community relations for Delta, said, "Too many children in Illinois don't receive the dental education and care they need, and therefore, do not routinely practice preventative oral health behaviors and suffer from untreated cavities and more serious oral health problems."
Sen. Hasegawa and Farhiya Mohamed, executive director of Somali Family Safety Task Force on Oct. 27. On the mainstage at KeyArena were over 750 dentists providing free dental work to more than a thousand patients each day, as the arena transformed from a concert venue and sports arena to a free pop-up clinic. From Oct. 26-29, the Seattle/King County Clinic was held in the KeyArena at the Seattle Center for its fourth year.
Dietary guidelines in France give quantitative recommendations for intake of meat, fish and dairy products whereas consumers are increasingly concerned by the environmental impacts associated with the producti...
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Tuberculosis (TB) is a major killer with a majority of 80–100 per lakh and 2–3% of patients attending our hospital are suffering from tuberculosis. Glandular TB appears to be high in our society. Fifty cases of cervical lymph nodes were collected in ENT department and studied. The diagnosis of TB cervical lymph nodes by disease process is only on 'Histopathological ground'.The aim of the present study is to establish the claim of TB cervical lymph node as a disease process.
To describe patients initiating dimethyl fumarate (DMF) and measure persistence with DMF, discontinuation, and switching in treatment-naïve DMF patients and patients switching to DMF from other multiple sclerosis disease-modifying treatments (DMTs).
A population-based cohort study of all Stockholm County residents initiating DMF from 9 May 2014 until 31 May 2017. All data were derived from a regional database that collects individual-level data on healthcare and drug utilization of all residents. The study outcomes were persistence with DMF and DMF discontinuation and switching to other DMTs. Persistence was measured as the number of days until either DMF discontinuation (treatment gap ≥ 60 days) or switching to another DMT.
The study included 400 patients (median follow-up = 2.5 years). The majority had previously been treated with other DMTs (61%). Throughout the follow-up period, 124 patients (31%) discontinued DMF and 114 patients (29%) switched treatment. Overall, 34% of patients initiating DMF stopped treatment within 1 year and only 43% of patients remained on DMF at 2 years from treatment initiation.
DMF had a rapid market uptake likely due to high expectations held by both patients and clinicians. However, persistence with DMF in routine clinical practice was found to be low.
To assess the impact of nasal septal perforation on quality of life.
Retrospective cohort study.
Rhinology clinics from two hospitals in Liverpool, United Kingdom.
Patients diagnosed with nasal septal perforation (NSP).
Patients (n=26) diagnosed with NSP completed the Sino-Nasal Outcome Test-22 (SNOT-22). The collated data was compared with SNOT-22 scores from a cohort of healthy volunteers (n=34) and a cohort of patients (n=30) diagnosed with chronic rhinosinusitis (CRS).
The mean total SNOT-22 score of NSP and CRS cohorts were higher than that observed in healthy volunteers. The mean total SNOT-22 score in the CRS cohort (57.2, standard deviation SD 10.3) was the higher than NSP (50.2, SD 23.5), although this difference did not achieve statistical significance. The mean score for the rhinologic-specific domains (rhinologic symptoms, extra-nasal rhinologic symptoms), ear/facial symptoms and psychological dysfunction domain were higher in the CRS cohort compared to NSP, although statistical significance was only observed in the extranasal rhinologic symptoms domain (11.2, SD 2.4 vs. 6.4, SD 4.1). Conversely, the mean sleep dysfunction domain score for NSP (12.7, SD 7.5) was higher than CRS (10.0, SD 4.9 respectively) although this was not statistically significant.
The present study has assessed the clinimetric and psychometric properties of patients suffering with symptomatic NSP. Future reports should consider inclusion of SNOT-22 data but with the addition of perforation-specific symptoms (nasal crusting, epistaxis, whistling noise).
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Although we've covered some pretty nifty tooth-cleaning gadgets before at Digital Trends, dental floss seems like one of those things you can't really rethink in a big way. It's been commercially available for well over 100 years and, in that time, hasn't changed significantly in appearance.
Tuberculosis is a significant problem globally for domestic animals as well as captive and free ranging wild life. Rapid point of care (POC) serology kits are well suited for the diagnosis of TB in wild animals. However, wild animals are invariably exposed to environmental non-pathogenic mycobacterium species with the development of cross reacting antibodies. In the present study, POC TB diagnosis kit was developed using a combination of pathogenic Mycobacteria specific recombinant antigens and purified protein derivatives of pathogenic and non-pathogenic Mycobacteria. To benchmark the TB antibody detection kit, particularly in respect to specificity which could not be determined in wildlife due to the lack of samples from confirmed uninfected animals, we first tested well-characterized sera from 100 M. bovis infected and 100 uninfected cattle. Then we investigated the kit's performance using sera samples from wildlife, namely Sloth Bears (n = 74), Elephants (n = 9), Cervidae (n = 14), Felidae (n = 21), Cape buffalo (n = 2), Wild bear (n = 1) and Wild dog (n = 1).In cattle, a sensitivity of 81% and a specificity of 90% were obtained. The diagnostic sensitivity of the kit was 94% when the kit was tested using known TB positive sloth bear sera samples. 47.4% of the in-contact sloth bears turned seropositive using the rapid POC TB diagnostic kit. Seropositivity in other wild animals was 25% when the sera samples were tested using the kit. A point of care TB sero-diagnostic kit with the combination of proteins was developed and the kit was validated using the sera samples of wild animals.
This study was intended to investigate the effects of Icariin on the healing of tooth extraction sites under systemic administration of Zoledronic and Dexamethasone.
Thirty female rats underwent bilateral ovariectomy and were randomly assigned to 5 groups: SS group received weekly injection of saline while ZD, ZD+LICA, ZD+MICA and ZD+HICA groups received Zoledronic with Dexamethasone for 8 weeks. One week later, mandibular first molars were extracted in all groups. Then 30, 60, 120mg/kg Icariin were intragastricly given to ZD+LICA, ZD+MICA and ZD+HICA groups daily for 10 weeks while saline was given to SS group and ZD group. Blood samples and mandibles were harvested for examinations after 10 weeks.
Significantly smaller wound area was noted in SS and ZD+HICA groups but the incidence of bisphosphonates-related osteonecrosis of the jaws (BRONJ) was not significantly different. Groups injected with Zoledronic and Dexamethasone had higher C-terminal crosslinked telopeptide of type 1 collagen (CTX-1), tartrate-resistant acid phosphatase 5b (TRACP 5b) and the number of osteoclast cells, with less vascular endothelial growth factor (VEGF) and osteocalcin (OCN). In contrast, CTX-1, TRACP 5b and the number of osteoclast cells declined after using Icariin and promoted VEGF and OCN were noted; and the effects were in a dosage-dependent manner.
Concurrent use of Zoledronic and Dexamethasone inhibits expression of VEGF, OCN and wound healing; and increases the number of osteoclast cells, serum CTX-1 and TRACP-5b after discontinuation for ten weeks. Icariin weakens those effects at a dose-dependent manner but does not influence onset of BRONJ.
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This study investigated the effect of application of non-thermal atmospheric plasma (NTAP) on the topography and composition of the dentin surface, as well as the microtensile bond strength (μTBS) of a universal adhesive to NTAP-treated dentin. Exposed flat dentin surfaces from human third molars were either treated with NTAP for 10 and 30 s or untreated (control). The dentin-surface topography and chemical composition were characterized by atomic force microscopy (n = 3) and Raman confocal spectroscopy (n = 5), respectively. The μTBS (n = 8) of Scotchbond Universal to dentin was determined after storage for 24 h and 1 yr, either by direct water exposure or under simulated pulpal pressure. In-situ zymography was used to evaluate the influence of NTAP on the dentin-enzymatic activity. Non-thermal atmospheric plasma produced no remarkable topographical or chemical alterations at the dentin surface; only the amount of phosphate decreased following 10 s of treatment with NTAP. After 1 yr of direct water exposure, the μTBS of NTAP-treated specimens did not differ statistically significantly from that of untreated controls, whereas simulated pulpal pressure-aging resulted in a significantly higher μTBS for NTAP-treated dentin. The dentin-enzymatic activity appeared to be treatment-dependent, but the untreated controls showed more intense fluorescence within the hybrid layer. Scotchbond Universal maintained its μTBS strength after 1 yr of direct water exposure and simulated pulpal pressure, although remarkable statistical differences between treatments were observed depending on the aging condition.
Sensory restoration of the oral cavity is a primary aim of reconstructive surgery in posttraumatic or postablative defects. Sensitivity plays a key role in oral function, whose impairment strongly affects the patient's quality of life. Cheek myomucosal flaps provide a reliable and tissue-like reconstruction of these regions but their sensitive recovery, which we still know little about, deserves thorough assessment.
In this retrospective study, the myomucosal cheek flaps were tested for different aspects of sensory recovery: touch; 2-point discrimination; pain; sharp/smooth discrimination; ability to feel hot/cold stimulus; stereognosis; and taste.
Fifty-two myomucosal flap reconstructions were investigated. All sensitivity tests showed positive results. When comparison was possible, sensitivity seemed significantly close to the contralateral healthy side. Sensory recovery proved to be even better than that reported on reinnervated microvascular free flap reconstructions of the oral cavity.
Myomucosal flap reconstruction demonstrated a high degree of sensory recovery.
Vascular patterns of juvenile nasopharyngeal angiofibroma (JNA) are poorly defined. We performed both institutional and systematic literature reviews to characterize the relationship between arterial supply patterns of JNA with intraoperative blood loss and tumor recurrence.
A retrospective review of 26 patients with JNA treated at our institution from 1995 to 2015 with available angiograms, and systematic reviews and meta-analyses of 828 JNA cases undergoing angiographic embolization published between 1995 and 2015 were completed per Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.
The systematic review (828 cases) found internal carotid artery (ICA) supply in 35.6% of tumors, and 30.8% of tumors received bilateral vascular supply. Our institutional data (n = 26) indicated 69% had bilateral supply. Meta-analysis of data from 5 studies demonstrated ICA/bilateral arterial supply is predictive of increased operative blood loss (P < .01).
Complex vascular contributions to JNA are frequent, underreported, and portends increased blood loss. This information can justifiably be included in staging systems to enhance prognostic counseling of patients.
We are currently undertaking a multi-institutional prospective trial of the superselective intra-arterial infusion of high-dose cisplatin with concomitant radiotherapy for patients with T4aN0M0 or T4bN0M0 locally advanced maxillary sinus squamous cell carcinomas (SCC). We herein report the results of the dose-finding phase.
The dose-finding phase sought to evaluate the incidence of dose-limiting toxicities and determine the recommended number of cycles of the intra-arterial infusion of cisplatin. In this phase, 100 mg/m2 of cisplatin was administered intra-arterially weekly for 7 weeks with concomitant radiotherapy (70 Gy).
All 18 patients received a full dose of radiotherapy. The number of cycles of cisplatin was 7 in 13 patients and 6 in 5 patients. The dose-limiting toxicities were observed in 5 patients.
These results indicated that this therapy is safe and well-tolerated at 7 cycles of cisplatin, which was determined to be the recommended number of cycles for locally advanced maxillary sinus SCC.
The purpose of this cadaveric study was to determine the efficacy of a flexible, next-generation robotic surgical system for transoral robotic hypopharyngectomy.
A comparative evaluation study of the flexible versus rigid robotic surgical systems for the hypopharynx was conducted using 3 cadavers. Endpoints for assessment were visualization of the hypopharynx, access to the hypopharynx, and difficulty of dissection. Hypopharyngectomy was performed on 3 other cadavers using the da Vinci Sp surgical system.
Access to the apex of the pyriform sinus and the esophageal inlet was easier with the da Vinci Sp than with the da Vinci Si. Dissection with the da Vinci Sp was easier in all areas of the hypopharynx than with the da Vinci Si. Robotic hypopharyngectomy was successfully completed on all cadavers using the da Vinci Sp surgical system.
Preclinical testing in human cadavers suggests that flexible robotic surgery may facilitate successful transoral hypopharyngectomy.
Induction of general anesthesia and endotracheal intubation may precipitate parathyroid hormone (PTH) elevation in patients with primary hyperparathyroidism (HPT). The purposes of this study were to revisit this observation and to study its impact in healthy patients.
Patients with primary HPT who underwent parathyroidectomy were retrospectively studied. The PTH was sampled and compared: before, immediately after general anesthesia and endotracheal intubation, and 15 minutes after parathyroidectomy. Healthy adults who underwent elective operations were prospectively studied. The PTH was sampled before general anesthesia and endotracheal intubation, immediately after, and 15 minutes later.
Thirty-one patients, aged 28-89 years (mean 60.1 ± 13 years), were retrospectively studied. The PTH was significantly elevated after general anesthesia and endotracheal intubation (P = .014). Fifty patients, aged 21-86 years (mean 54 ± 15 years), were prospectively studied. The PTH elevation after general anesthesia and endotracheal intubation was not significant.
General anesthesia and endotracheal intubation causes an immediate, steep, and significant PTH elevation in patients with primary HPT but only a minor change in healthy adults. The difference may be attributed to an impaired adrenergic response in patients with primary HPT.
In the present study, effectiveness of electrochemotherapy was compared in patients with nonmelanoma skin cancer (NMSC) of the head and neck using standard and reduced doses of bleomycin.
Twenty-eight patients older than 65 years were prospectively treated with electrochemotherapy for nonmelanoma head and neck skin cancer. In the experimental group (n = 12 patients; 24 lesions), reduced bleomycin doses (10 000 IU/m2) were used. In the control group (n = 16 patients; 28 lesions), the standard bleomycin doses (15 000 IU/m2) were used. Tumor responses and side effects were monitored. These two groups were pair matched for the characteristics of patients (age, gender) and their tumors (diameter, histology type, recurrent lesions).
Complete tumor response at 2 months post-electrochemotherapy with the reduced bleomycin dose was 100% and with the standard bleomycin dose it was 96%. No statistically significant difference regarding skin toxicity was observed between the 2 groups (P = .20). Skin toxicity of grade 3 or less was recorded only in the control group (7% of treated lesions).
Presented results show the comparable antitumor effectiveness of electrochemotherapy when using standard or reduced bleomycin dose in elderly patients with nonmelanoma head and neck skin cancer.
The purpose of this clinical review was to summate the published data for the long-term outcomes of reirradiation with intensity-modulated radiotherapy (IMRT) for locally recurrent nasopharyngeal carcinoma (NPC).
We searched biomedical literature databases for eligible studies published from January 2005 to September 2016. Outcomes of interests were 5-year local failure-free survival, distant failure-free survival, overall survival (OS), and toxicities. Meta-analysis was performed using a random effects model.
We found 4 comparative and 8 noncomparative studies (n = 1768). Reirradiation was associated with pooled event rates of 72% (95% confidence interval [CI] 66%-78%; I2 = 84%), 85% (95% CI 82%-88%; I2 = 69%), and 41% (95% CI 36%-47%; I2 = 80%) for 5-year local failure-free survival, distant failure-free survival, and OS, respectively, with significant heterogeneity among the study results. The pooled event rate for grade 5 toxicities was 33% (95% CI 30%-35%; I2 = 0%) with minimal heterogeneity.
Reirradiation with IMRT for locally recurrent NPC could confer long-term disease control and survival but is associated with significant mortality.
The purpose of this study was to investigate the outcome and recurrences for ethmoidal adenocarcinomas treated by exclusive endoscopic surgery in curative intent and investigate the role of the learning curve.
We conducted a single-center retrospective study, including 60 patients separated in 2 groups (2002-2011 n = 28 and 2012-2015 n = 32).
The global survival rate at 5 years was 72.6%, and the global and local recurrence rates were 21.6% and 13.3%, respectively. The learning curve had significant impact on global survival at 2 years (93.8% vs 77.8%) and on overall and local recurrences, despite the higher rate of T4 classifications in the latter group. This learning curve could be explained by the evolution toward large endoscopic resection, bilateral, with resection of the cribriform plate, and eventually medial maxillectomy, and started on the healthy side.
For selected cases, exclusive endoscopic resection of ethmoid adenocarcinoma achieves results at least as good as craniofacial resection when performed by an experienced cranial base team and including a large endoscopic resection.
The purpose of this study was to develop a nanoplatform, which simultaneously acts as radiosensitizer, drug carrier, and tumor imaging agent for head and neck cancer.
We synthesized 20 nm gold nanoparticles, coated with glucose and cisplatin (CG-GNPs). Their penetration into tumor cells and their cellular toxicity were evaluated in vitro. In vivo experiments were conducted to evaluate their impact on tumor growth and their imaging capabilities.
The CG-GNPs showed efficient penetration into tumor cells and similar cellular toxicity as cisplatin alone. Combined with radiation, CG-GNPs led to greater tumor reduction than that of radiation alone and radiation with free cisplatin. The CG-GNPs also demonstrated efficient tumor imaging capabilities.
Our CG-GNPs have a great potential to increase antitumor effect, overcome resistance to chemotherapeutics and radiation, and allow imaging-guided therapy.
Fluorine-18 fluorodeoxyglucose positron emission tomography/CT (18F-FDG PET/CT) has been widely accepted as an effective method for detecting recurrent papillary thyroid cancer (PTC) in patients with increased serum thyroglobulin (Tg) or Tg antibody (TgAb) levels and negative whole-body scintigraphy (WBS) results. The role of WBS as a diagnostic tool in detecting recurrence has relatively decreased recently. However, only a few studies have examined the usefulness of 18F-FDG PET/CT for evaluating patients with recurrent PTC, regardless of the WBS results. The purpose of this analysis was to evaluate the diagnostic value and prognostic role of 18F-FDG PET/CT for patients with recurrent PTC, irrespective of their WBS results.
Sixty-six patients with locoregional recurrent PTC who underwent 18F-FDG PET/CT and neck CT within 6 months before surgical treatment were included in this retrospective analysis. Imaging findings were compared with postoperative histopathologic results. The diagnostic values of 18F-FDG PET/CT and neck CT were compared according to the serum Tg and TgAb levels and cervical levels. Each patient's status at the last follow-up was also reviewed, and survival probabilities were estimated using the Kaplan-Meier plot.
The sensitivity, specificity, and diagnostic accuracy of 18F-FDG PET/CT for the entire patient group were 38.5%, 90.2%, and 58.3%, respectively. The corresponding neck CT values were 55.0%, 85.7%, and 66.7%, respectively. According to the serum Tg and TgAb levels, except for the specificity, most diagnostic values of 18F-FDG PET/CT were worse than those of the neck CTs, with or without statistical significance. For the high maximum standardized uptake value (SUVmax) group (SUVmax >10) and the low SUVmax group, the median locoregional disease-free survival times were 33.3 months and 81.8 months, respectively (P < .001).
The diagnostic value of 18F-FDG PET/CT for localizing recurrent lesions was worse than that of the neck CT, irrespective of the WBS results. However, patients with a higher SUVmax showed a significantly worse prognosis than did those with a lower SUVmax. Therefore, we suggest that, in patients with recurrent PTC, 18F-FDG PET/CT should be considered for prognostication rather than diagnosis.
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To evaluate the efficacy of in-office bleaching on stain removal from stained resin composite and ceramic computer-assisted design/computer-assisted manufacturing (CAD/CAM) blocks and direct resin composites.
Forty disk-shaped samples were fabricated from each of nine materials: six CAD/CAM (VITABLOCS Mark II, Paradigm MZ100, Exp Vita Hybrid Ceramic, VITA ENAMIC, Exp Kerr, and LAVA Ultimate) and three direct resin composites (Filtek Supreme, Venus Diamond, and Filtek Silorane). Samples were randomly divided into five groups (n = 8), each stained with a particular staining solution. Using a calibrated spectrophotometer and a black background, L*a*b* values were assessed before and after 120 days of staining. Samples were subjected to in-office bleaching using 40% hydrogen peroxide gel for one hour. At subsequent assessment, color change (ΔE) was calculated as the difference between L*a*b* values. Both ANOVA and the Duncan test were used to identify differences between groups (α = 0.05).
Bleaching resulted in significant differences in ΔE values for all materials (P < .001). Bleaching efficacy was highly influenced by material composition and staining solution. Residual color values after bleaching for ceramic and hybrid ceramics ranged from −0.49 to 2.35, within the clinically acceptable maximum of 3.3. Values after bleaching for resin-based CAD/CAM ranged from −0.7 to 7.08 while direct resin composites values ranged from −1.47 to 25.13. Coffee left the greatest residual color on all materials.
Based on material nature, 40% hydrogen peroxide bleaching can remove staining. The new resin-based CAD/CAM blocks showed promising results in terms of color stability.
Bleaching using 40% hydrogen peroxide can be an effective method to remove stains from dental restorations. In this way, restoration replacement as a result of discoloration may no longer be necessary.
Oral manifestations of systemic disease.
Br Dent J. 2017 Nov 10;223(9):683-691
Authors: Porter SR, Mercadante V, Fedele S
Abstract
While the majority of disorders of the mouth are centred upon the direct action of plaque, the oral tissues can be subject to change or damage as a consequence of disease that predominantly affects other body systems. Such oral manifestations of systemic disease can be highly variable in both frequency and presentation. As lifespan increases and medical care becomes ever more complex and effective it is likely that the numbers of individuals with oral manifestations of systemic disease will continue to rise. The present article provides a succinct review of oral manifestations of systemic disease. In view of this article being part of a wider BDJ themed issue on the subject of oral medicine, this review focuses upon oral mucosal and salivary gland disorders that may arise as a consequence of systemic disease.
PMID: 29123296 [PubMed - in process]
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Van Buren Family Dentistry located on Fayetteville Road is offering veterans free dental work from 8 a.m. to 3 p.m. in honor of Veterans Day. This opportunity for veterans has been a tradition for a few years at the office.
Preventive effect of kampo medicine (hangeshashin-to, TJ-14) plus minocycline against afatinib-induced diarrhea and skin rash in patients with non-small cell lung cancer.
Onco Targets Ther. 2017;10:5107-5113
Authors: Ichiki M, Wataya H, Yamada K, Tsuruta N, Takeoka H, Okayama Y, Sasaki J, Hoshino T
Abstract
Purpose: Diarrhea and oral mucositis induced by afatinib can cause devastating quality of life issues for patients undergoing afatinib treatment. Several studies have shown that hangeshashin-to (TJ-14) might be useful for chemotherapy-induced diarrhea and oral mucositis. In this study, we investigated the prophylactic effects of TJ-14 for afatinib-induced diarrhea and oral mucositis and minocycline for afatinib-induced skin rash.
Patients and methods: First- and second-generation epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors have become the standard first-line treatment in patients with EGFR-mutated non-small cell lung cancer. The incidence of diarrhea was higher with afatinib than with gefitinib, and we conducted a single-arm Phase II study with afatinib. Patients who had previously undergone treatment with afatinib were ineligible. Both TJ-14 (7.5 g/day) and minocycline (100 mg/day) were administered simultaneously from the start of afatinib administration. The primary end point was the incidence of ≥ grade 3 (G3) diarrhea (increase of ≥7 stools/day over baseline) during the first 4 weeks of treatment. The secondary end points were the incidence of ≥ G3 oral mucositis (severe pain interfering with oral intake) and $ G3 skin toxicity (severe or medically significant but not immediately life-threatening).
Results: A total of 29 patients (nine men and 20 women; median age, 66 years; performance status, 0/1/2: 18/10/1) were enrolled from four centers. Four patients had undergone prior treatment with chemotherapy, including gefitinib or erlotinib. In all, 20 (68.9%) patients and one (3.4%) patient had diarrhea of any grade and ≥ G3, respectively. One (3.4%) patient had ≥ G3 oral mucositis; no patients had ≥ G3 skin rash. A total of 18 (62%) of the 29 patients achieved a partial response.
Conclusion: The present study indicated a trend in which TJ-14 reduced the risk of afatinib-induced diarrhea and minocycline reduced the risk of afatinib-induced skin rash.
PMID: 29123409 [PubMed]
Contact sensitization is the initial process involved in the development of an allergic reaction to xenobiotic environmental substances. Here, we briefly describe the differences between irritant and allergic contact dermatitis. Then, we highlight the essential steps involved in the development of an ACD reaction, i.e., the protein binding of haptens, genetic factors influencing the penetration of sensitizers into the skin, the different mechanisms driving the initial development of an inflammatory cytokine micromilieu enabling the full maturation of dendritic cells, the role of pre- and pro-haptens, antigen presentation and T cell activation via MHC and CD1 molecules, dendritic cell (DC) migration, and potential LC contribution as well as the different T cell subsets involved in ACD. In addition, we discuss the latest publications regarding factors that might influence the sensitizing potential such as repeated sensitizer application, penetration enhancers, humidity of the skin, microbiota, Tregs, and phthalates. Last but not least, we briefly touch upon novel targets for drug development that might serve as treatment options for ACD.
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Clinical and pathologic analyses of tuberculosis in the oral cavity: report of 11 cases.
Oral Surg Oral Med Oral Pathol Oral Radiol. 2017 Sep 28;:
Authors: Ju WT, Fu Y, Liu Y, Tan YR, Dong MJ, Wang LZ, Li J, Zhong LP
Abstract
OBJECTIVE: The aim of this study was to analyze tuberculosis (TB) in the oral cavity according to clinical appearance, clinical differential diagnosis, treatment, and outcome.
STUDY DESIGN: We enrolled 11 patients with TB in the oral cavity between November 2012 and November 2016. Glossal lymphoid TB was excluded. Clinical symptoms, auxiliary examinations, treatments, and outcomes were recorded and analyzed.
RESULTS: The study population comprised 6 men and 5 women, with a mean age of 59 years. Five patients presented with ulcer, 5 with a mass, and 1 with osteomyelitis. Excisional biopsy was performed in 3 patients, mass resection in 7, and curettage of mandibular lesion in 1. After pathologic diagnosis of TB in the oral cavity in 8 patients; 6 of them underwent purified protein derivative examination, and 4 of them had positive results and received drug therapy. The mean follow-up period was 24.9 months, and there was no recurrence.
CONCLUSIONS: TB in the oral cavity is rare and has no specific clinical features. Pathology, acid-fast staining, polymerase chain reaction, and DNA testing for Mycobacterium tuberculosis are useful for final diagnosis. Surgery is recommended as the treatment of choice to achieve good clinical outcomes.
PMID: 29122502 [PubMed - as supplied by publisher]
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Oligometastatic disease can potentially be cured when an optimal approach is performed. Early recurrence after liver resection is an intractable problem, and the clinical implications remain unknown in colorectal liver oligometastases (CLOM) patients. This study aimed to investigate the clinical characteristics, risk factors, and prognosis related to early recurrence in these patients.
A total of 307 consecutive patients with CLOM undergoing curative liver resection were retrospectively reviewed between September 1999 and June 2016. Early recurrence was defined as any recurrence or death from CLOM that occurred within 6 months of liver resection.
With a median follow-up time of 31.7 months, the 3-year overall survival (OS) and recurrence-free survival rates were 68.7 and 42.5%, respectively. Forty-nine (16.0%) patients developed early recurrence and showed a poorer 3-year OS than those with non-early recurrence (22.3 vs. 75.8%, P < 0.001) or later recurrence (22.3 vs. 52.8 vs. 63.2%, P < 0.001). Moreover, early recurrence was identified as an independent predictor of 3-year OS [hazard ratio (HR) 6.282; 95% confidence interval (CI) 3.980–9.915, P < 0.001]. In multivariate analysis, a node-positive primary tumor [odds ratio (OR) 2.316; 95% CI 1.097–4.892, P = 0.028) and metastatic diameter > 3 cm (OR 2.560; 95% CI 1.290–5.078; P = 0.007) were shown to be risk factors for early recurrence. The salvage liver resection rate for patients with early recurrence was significantly lower than that for patients with later recurrence (4.1 vs. 19.7%, P = 0.010).
Early recurrence should be investigated in routine clinical practice, even in patients with CLOM after curative liver resection. Detailed preoperative comprehensive measurements might help stratify high-risk patients, and a non-surgical treatment for early recurrence might represent an effective alternative.
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