Αρχειοθήκη ιστολογίου

Κυριακή 18 Ιουλίου 2021

Economic Burden Associated With Management of Paradoxical Vocal Fold Motion Disorder

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Objectives

Paradoxical vocal fold movement (PVFM) is often misdiagnosed as asthma and tends to have a prolonged time to diagnosis. Study aims were to estimate the time from dyspnea onset to PVFM diagnosis, to estimate associated pre- and postdiagnosis direct and indirect healthcare cost, and to compare the cost of postdiagnosis care among patients who did and did not undergo standard-of-care speech therapy.

Methods

Patients diagnosed with PVFM were identified retrospectively. Time from dyspnea symptom onset to diagnosis was measured. Direct costs consisting of office visits, procedures, and prescribed pharmaceuticals before and after diagnosis were calculated. Indirect costs associated with lost wages related to healthcare were also estimated. Costs for patients who initiated versus did not initiate speech therapy and who had successful versus unsuccessful therapy were compared.

Results

Among 110 patients, median time from dyspnea onset to PVFM diagnosis was 33 months (interquartile range [IQR] 5–60). Direct and indirect prediagnosis median costs were $8,625 (IQR $1,687–$35,812) and $736 (IQR $421–$1,579) while first year following dyspnea symptom onset median direct and indirect costs were $1,706 (IQR $427–$7,118) and $315 (IQR $131–$631). Median direct and indirect costs of care in the postdiagnosis year were $2,062 (IQR $760–$11,496) and $841 (IQR $631–$1,261). Pharmaceuticals were predominant cost drivers in all time periods. Of those who completed speech therapy, 85% had breathing symptom improvement while incurring significant cost savings compared to those whose symptoms persisted.

Conclusion

Costs of care leading to diagnosis of PVFM are substantial. More efficient methods of identifying patients with PVFM are essential to reduce prolonged time to diagnosis and associated costs.

Level of Evidence

N/A Laryngoscope, 2021

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Association of Pepsin With Inflammatory Signaling and Effusion Viscosity in Pediatric Otitis Media

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Objective

Otitis media (OM) is a common inflammatory disease spectrum. Cytokine signaling, neutrophil activity, and mucin hypersecretion during recurrent and chronic OM contribute to persistent, viscous middle ear (ME) effusions, hearing loss, and potential for developmental delay. Extraesophageal reflux (EER), specifically pepsin, triggers inflammatory signaling in respiratory mucosa and is associated with OM. The objective of this study was to investigate the association of pepsin with ME inflammatory signaling and the outcomes and examine causality in vitro.

Study Design

Cross-sectional study.

Methods

ME fluid (MEF) and preoperative audiometric data were collected from 30 pediatric subjects undergoing tympanostomy tube placement for recurrent OM or OM with effusion. MEF viscosity was characterized by the surgeon. Pepsin, inflammatory molecules, and mucin were assayed by enzyme-linked immunosorbent assay (ELISA). ME epithelial primary culture was exposed to 0.1 to 1 mg/ml pepsin at pH 5, 6, and 7 for 30 minutes, and cytokine expression was assayed via qPCR.

Results

Pepsin was observed in the MEF of 77% of patients (range 71–2,734 ng/ml). Pepsin correlated with effusion viscosity, interleukins −6 and −8, neutrophil elastase, and mucin 5B (P < .05). Pepsin-negative MEF was more frequently absent of interleukin 8 or mucin 5B (P < .05). Weak acid was generally insufficient to elicit cytokine expression in ME cells in vitro, however, pepsin induced IL6, IL8, and TNF at pH 7 (P < .05) and weak acid (pH 6) facilitated a response at lower pepsin concentration.

Conclusions

Pepsin may contribute to inflammatory signaling, persistent viscous effusion, and poorer OM outcomes.

Level of Evidence

4 Laryngoscope, 2021

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Outcomes in volume replacement and volume displacement techniques in oncoplastic breast conserving surgery: A systematic review

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J Plast Reconstr Aesthet Surg. 2021 Jun 20:S1748-6815(21)00338-7. doi: 10.1016/j.bjps.2021.06.004. Online ahead of print.

ABSTRACT

INTRODUCTION: Volume Replacement (VR-OBCS) and Volume Displacement Oncoplastic Breast Conserving Surgery (VD-OBCS) are commonly used in the management of breast cancer. Many studies summarize the individual postoperative outcomes of these two procedures; however, there is a lack of research that compares outcomes of these approaches. This review summarizes the available VR and VD-OBCS literature in terms of oncological, cosmetic, and clinical outcomes.

METHODS: An online literature search (MEDLINE, EMBASE, PubMed, and CINAHL) was performed. Studies were included if they were written in English, had more than 10 adult (18+) female patients who underwent VR-OBCS or VD-OBCS, and reported at least one well-described oncological, clinical, or cosmetic outcome RESULTS: Thirty-three studies (26 VR-OBCS and 7 VD-OBCS) were included in this review; VR-OBCS studies were separated based on the use of latissimus dorsi (LD) flaps. Studies utilizing VR-OBCS with LD flaps reported the highest rate of all oncological outcomes; VR-OBCS studies without LD flaps reported the lowest. Rates of hematoma, seroma, and wound dehiscence were highest in VR-OBCS with LD flaps; partial flap loss and fat necrosis were highest in VR-OBCS without LD flaps and infection was highest in VD-OBCS studies. Inconsistencies in methodology (cosmetic outcome measures, outcome definitions, and time horizons) were found in all procedural groups.

CONCLUSION: Differences in outcomes for both OBCS procedures may be due to the heterogeneity of patient populations. "Doers" and "Users" of breast oncoplastic research should consider tumor size, laterality of tumor, breast size, measurement scales, and defensible time horizons before the application of a study's conclusions.

PMID:34272177 | DOI:10.1016/j.bjps.2021.06.004

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A multicentre study of the relationship between abdominal flap and mastectomy weights in immediate unilateral free flap breast reconstruction and the effect of adjuvant radiotherapy

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J Plast Reconstr Aesthet Surg. 2021 Jun 23:S1748-6815(21)00337-5. doi: 10.1016/j.bjps.2021.06.010. Online ahead of print.

ABSTRACT

Abdominal free flaps are considered the gold standard for post-mastectomy autologous breast reconstruction. A key element of outcome assessment is breast symmetry often achieved by approximating the reconstructed breast dimensions such as weight (wt) to those of the mastectomy. However, the ideal relationship between these two entities remains unclear. 525 immediate unilateral abdominal free flap breast reconstruction (FFBR) patients were enrolled in a multicentre study (UK 141; Italy 384) and subdivided into Group A (flap wt < mastectomy wt, n = 163), Group B (flap wt > mastectomy wt, n = 260) and Group C (flap wt = mastectomy wt, n = 102). Their rates of contralateral balancing and ipsilateral revision surgeries were compared using Chi-Square tests. Radiotherapy influence on these adjustment procedu res was also assessed. More contralateral balancing procedures (17%) were performed than ipsilateral revisions (10%). Group A rates of contralateral balancing procedures were three times higher than Group B's with a ratio of 37 to 1 versus Group C (37% vs 11% vs 1% respectively, p < 0.001). Similarly, the ipsilateral breast revision surgery rate in Group A was double that of Group B and almost three times that of Group C (17% vs 8% vs 6% respectively, p = 0.01). Adjuvant radiotherapy disproportionately increased ipsilateral revisions versus contralateral balancing surgeries (p = 0.028). A flap-to-mastectomy weight ratio of less than 1 (Group A) significantly increases subsequent adjustments on both contralateral and reconstructed breasts whilst irradiation predisposes to ipsilateral revisions. This is important in patient counselling and intraoperative flap contouring. Flap weight should ideally approximate or exceed mastectomy weight in unilateral FFBR.

PMID:34272176 | DOI:10.1016/j.bjps.2021.06.010

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Effects of Repeated Intracordal Glucocorticoid Injection on the Histology and Gene Expression of Rat Vocal Folds

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Local injection of glucocorticoids (GCs) into the vocal folds has been used for treating the vocal fold lesions. While the positive effects on vocal fold nodules, polyps, or scarring have been clinically reported, some concern remains around the potential adverse effects such as vocal fold atrophy, and the mechanisms remain unclear. The present study examined the histology and gene expression of locally injected GC into the vocal folds in rats.
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Effectiveness of Semi-Occluded Vocal Tract Exercises (SOVTEs) in Patients with Dysphonia: A Systematic Review and Meta-Analysis

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Dysphonia is a disorder characterized by an alteration in the overall quality of the voice which reduces quality of life. Therefore, we assessed the effectiveness of SOVTEs in the management of dysfunctional and organic dysphonia for acoustic, perceptual-auditive, aerodynamic parameters and self-perception of the disease.
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Autologous hematopoietic cells for severe autoimmune diseases: Guidelines of the Francophone Society of Bone Marrow Transplantation and Cellular Therapy (SFGM-TC) for immune monitoring and biobanking

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Bull Cancer. 2021 Jul 13:S0007-4551(21)00206-X. doi: 10.1016/j.bulcan.2021.03.020. Online ahead of print.

ABSTRACT

Autologous hematopoietic cell transplantation (AHCT) is a new treatment option for patients with severe autoimmune diseases (AD), based on the use of intensive or myeloablative chemotherapy to eradicate the pathogenic autoreactive immune cells and to allow the installation of a new and tolerant immune system during immune reconstitution process. Immune reconstitution analysis after AHCT is required for patients clinical follow-up and to further identify biological and immunological markers of the clinical response to develop individualized AHCT protocols. These MATHEC-SFGM-TC good clinical practice guidelines were developed by a multidisciplinary group of experts including members of the french reference center for stem Cell Therapy in Auto-immune Diseases (MATHEC), hematologists from the French speaking Society of Bone Ma rrow Transplantation and Cellular Therapy (SFGM-TC) and experts in immune monitoring and biobanking. The objectives are to provide practical recommandations for immune monitoring and biobanking of samples in patients with AD undergoing AHCT, for routine care purposes and investigational studies.

PMID:34272057 | DOI:10.1016/j.bulcan.2021.03.020

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Treatment of traumatic cerebrospinal fluid rhinorrhea via extended extradural anterior skull base approach

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Chin J Traumatol. 2021 Jun 6:S1008-1275(21)00097-3. doi: 10.1016/j.cjtee.2021.06.002. Online ahead of print.

ABSTRACT

OBJECTIVE: To describe and assess the repair technique and perioperative management for cerebrospinal fluid (CSF) leak resulting from extensive anterior skull base fracture via extradural anterior skull base approach.

METHODS: This was a retrospective review conducted at the Department of Neurosurgery of the Shanghai Tenth People's Hospital from January 2015 to April 2020. Patients with traumatic CSF rhinorrhea resulting from extensive anterior skull base fracture treated surgically via extended extradural anterior skull base approach were included in this study. The data of medical and radiological records, surgical approaches, repair techniques, peritoperative management, surgical outcome and postoperative follow-up were analyzed. Surgical repair techniques were tailored to the condition of associated injuries of the s calp, bony and dura injuries and associated intracranial lesions. Patients were followed up for the outcome of CSF leak and surgical complications. Data were presented as frequency and percent.

RESULTS: Thirty-five patients were included in this series. The patients' mean age was 33 years (range 11-71 years). Eight patients were treated surgically within 2 weeks; while the other 27 patients, with prolonged or recurrent CSF rhinorrhea, received the repair surgery at 17 days to 10 years after the initial trauma. The mean overall length of follow-up was 23 months (range 3-65 months). All the patients suffered from frontobasal multiple fractures. The basic repair tenet was to achieve watertight seal of the dura. The frontal pericranial flap alone was used in 20 patients, combined with temporalis muscle and/or its facia in 10 patients. Free fascia lata graft was used instead in the rest 5 patients. No CSF leak was found in all the patients at discharge. There was no surgical mortal ity in this series. Bilateral anosmia was the most common complication. At follow-up, no recurrent CSF leak or meningitis occurred. No patients developed mucoceles, epidural abscess or osteomyelitis. One patient ultimately required ventriculoperitoneal shunt because of progressive hydrocephalus.

CONCLUSION: Traumatic CSF rhinorrhea associated with extensive anterior skull base fractures often requires aggressive treatment via extended intracranial extradural approach. Vascularized tissue flaps are ideal grafts for cranial base reconstruction, either alone or in combination with temporalis muscle and its fascia---fascia lata sometimes can be opted as free autologous graft. The approach is usually reserved for patients with traumatic CSF rhinorrhea in complex frontobasal injuries.

PMID:34272118 | DOI:10.1016/j.cjtee.2021.06.002

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Recommendations for use of topical inhalant budesonide in COVID-19 : A Position Paper of the German Society for Applied Allergology (AeDA) and the German Society of Oto-Rhino-Laryngology, Head and Neck Surgery (DGHNO)

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Via hno

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HNO. 2021 Jul 16. doi: 10.1007/s00106-021-01070-9. Online ahead of print.

NO ABSTRACT

PMID:34272571 | DOI:10.100 7/s00106-021-01070-9

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Robotics in otorhinolaryngology, head and neck surgery

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HNO. 2021 Jul 16. doi: 10.1007/s00106-021-01088-z. Online ahead of print.

ABSTRACT

In many surgical specialities, e.g., visceral surgery or urology, the use of robotic assistance is widely regarded as standard for many interventions. By contrast, in European otorhinolaryngology, robotic-assisted surgery (RAS) is rarely conducted. This is because currently available robotic systems are not adequately adapted to the restricted space and partially difficult access to surgical f ields in the head and neck area. Furthermore, RAS is associated with high costs at present. In some Anglo-American regions, robot-assisted surgery is already used regularly for different indications, particularly in transoral surgery of oropharyngeal tumors. Several feasibility studies demonstrate multiple fields of application for RAS in head and neck surgery. For standard use, the robotic systems and surgical instruments need to be reduced in size and adapted to application in the head and neck area.

PMID:34272572 | DOI:10.1007/s00106-021-01088-z

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Decrease of Ceramides with Long‐Chain Fatty Acids in Psoriasis: Possible Inhibitory Effect of Interferon Gamma on Chain Elongation

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Abstract

Reportedly, decreases in fatty acid (FA) chain length of ceramide (CER) are associated with interferon-γ (IFN-γ), which shows increased expression in psoriasis. However, the underlying mechanism of this association remain unclear. Therefore, in this study, we aimed to clarify this association between FA chain length of CER , IFN-γ, and the major transcriptional factors involving psoriasis. CER profiling according to FA chain length and class was performed in murine epidermis (n = 10 BALB/c mice topically treated with imiquimod (IMQ), n = 10 controls) and human stratum corneum (SC) (n = 12 psoriasis, n = 11 controls). The expression of lipid synthetic enzymes, including elongases (ELOVLs), in murine epidermis was also measured using RT-PCR. Furthermore, the association of IFN-γ with various enzymes and transcription factors involved in the generation of long-chain CERs was also investigated using in vitro keratinocyte. A significant decrease in the percentage of long-chain CERs was observed in psoriasis-like murine epidermis and human psoriatic SC. Additionally, the expression levels of ELOVL1, ELOVL4, and ceramide synthase3 (CerS3) were significantly decreased in psoriasis-like murine epidermis and IFN-γ-treated keratinocyte. There was also a significant decrease in the expression of transcriptional factors, including peroxisome proliferator-activated receptor (PPAR), in IFN-γ treated keratinocyte. Thus, it could be suggested that IFN-γ may regulate ELOVL and CerS levels by down-regulating the transcriptional factors. Additionally, given the possible involvement of PPARs or liver X receptor agonist in the CER elongation process, they may serve as potential therapeutic agents for lengthening the CER FAs in psoriasis.

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