Αρχειοθήκη ιστολογίου

Κυριακή 19 Νοεμβρίου 2017

Validation of algorithms to determine incidence of Hirschsprung disease in Ontario, Canada: a population-based study using health administrative data

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Denture hygiene practices

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25 studies were included in this review of denture hygiene practices. Mechanical interventions in conjunction with chemical agents were the most effective, Denture brushing was the most common patient practice.

The post Denture hygiene practices appeared first on National Elf Service.



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Blood lipid genetic scores, the HMGCR gene and cancer risk: a Mendelian randomization study

Abstract
Background
It is unclear whether there are causal associations between blood lipids, statin use and cancer risks. Under certain assumptions, Mendelian randomization analysis of a genetic marker for an exposure eliminates reverse causation and confounding.
Methods
We applied Mendelian randomization analysis to genetic scores, comprising 26–41 single-nucleotide polymorphisms (SNPs), as instrumental variables (IVs) for triglycerides and low- and high-density lipoprotein cholesterol (LDLC, HDLC), using a prospective cohort of 26 904 individuals in which there were 6607 incident cancers. We also investigated cancer risk for a SNP (rs12916) in the gene encoding hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR), the targeted enzyme in statin treatment. We used logistic regression and SNP pleiotropy-adjusted analyses to estimate the odds ratio per standard deviation (OR).
Results
The OR for the triglyceride IV as a predictor of any cancer was 0.91 [95% confidence interval (CI): 0.80–1.03] unadjusted, and 0.87 (95% CI: 0.78–0.95) from the pleiotropy-adjusted analysis. For the HMGCR rs12916 per LDLC-lowering T-allele, the OR was 1.09 (95% CI: 1.01–1.18) for prostate cancer and 0.89 (95% CI: 0.82–0.96) for breast cancer. The LDLC IV was not associated with prostate cancer or breast cancer. There were no associations between IVs and cancers of the lung, colon or bladder.
Conclusions
Under the assumptions of Mendelian randomization, there is a causal and negative association between serum triglycerides and risk of any cancer. Further, the HMGCR genetic variant might be associated with risks of prostate and breast cancers but the biological mechanisms behind these findings are unclear, as the LDLC IV was not associated with these cancers.

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Cohort Profile: The National FINRISK Study



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Nasoseptal flap closure of the eustachian tube for recalcitrant cerebrospinal fluid rhinorrhea



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Easy insertion into the duct: The use of an angiocatheter as a sialendoscopy applicator



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First bite syndrome following transcervical arterial ligation after transoral robotic surgery

Objective

To assess the incidence of first bite syndrome (FBS) in transoral robotic surgical (TORS) patients undergoing transcervical arterial ligation.

Methods

Retrospective case series of all patients diagnosed with FBS following prophylactic transcervical arterial ligation of branches of the external carotid system between March 2010 and December 2016 at a single academic center.

Results

Six patients with FBS after TORS with transcervical arterial ligation were evaluated, representing 7% of all patients who underwent neck dissection with concomitant transcervical arterial ligation (6 of 83). Median presentation of FBS was 63 days, with an average duration of 66 days. Treatment ranged from observation to botulinum toxin injection.

Conclusion

Patients who undergo transcervical arterial ligation to minimize bleeding complications following TORS are at risk of developing first bite syndrome.

Level of Evidence

4. Laryngoscope, 2017



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The hospital otolaryngologist: The louisiana state university experience

Objectives/Hypothesis

To describe the implementation and impact of a hospital otolaryngologist in an academic medical center setting. Our hypothesis was that the hospital otolaryngologist would increase productivity of the Louisiana State University (LSU) faculty otolaryngologists and provide more timely access to inpatient otolaryngology services.

Study Design

Retrospective clinical and administrative database review.

Methods

A comparative database review was performed with data from the year predating the initiation of the hospitalist program (2013) to the first full year after initiation of the program (2014). A clinical database review including diagnoses and procedures was also performed.

Results

Overall outpatient clinic relative value units for the aggregated LSU faculty increased 16% (despite the fact that the direct outpatient contribution of the hospital otolaryngologist was negligible). Overall capture of inpatient consult codes increased 128%. The hospital otolaryngologist was responsible for 84.5% of inpatient consult codes. There was a 100% increase in outpatient consult codes for the LSU faculty, of which <1% was attributed to the otolaryngology hospitalist. No significant impact was seen on length of stay over the study interval. Clinical database review of the first 2 years of the program showed 3,707 total encounters with postoperative encounters the most common. Four hundred fifty-four inpatient procedures were logged. The most common surgical procedure was tracheostomy.

Conclusions

The otolaryngology hospitalist program is a viable clinical and economic model.

Level of Evidence

NA Laryngoscope, 2017



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Hirano's cover–body model and its unique laryngeal postures revisited

Objectives/Hypothesis

In 1974, Minoru Hirano proposed his theory of voice production that is now known as the cover–body theory. He described the thyroarytenoid (TA) and cricothyroid (CT) muscles as the major determinants of vocal fold shape and stiffness, and theorized four typical laryngeal configurations resulting from unique TA/CT activations, with implications for the resulting voice quality. In this study, we directly observed the vocal fold medial surface shape under Hirano's unique TA/CT activation conditions to obtain a three-dimensional (3D) understanding of these laryngeal configurations during muscle activation.

Study Design

In vivo canine hemilarynx model.

Methods

Flesh points were marked along the medial surface of the vocal fold. Selective TA and CT activation were performed via respective laryngeal nerves. 3D reconstructions of the vocal fold medial surface were derived using digital image correlation.

Results

Low level TA and CT activation yielded anteroposterior lengthening and vertical thinning of the vocal fold. When TA activation is far greater than CT, the vocal fold shortens and thickens. With slightly greater TA than CT, activation the vocal length is maintained on average, whereas its vertical thickness decreases. With CT far greater than TA activation, the vocal fold lengthens and thins. In all conditions, glottal contour changes remained minimal.

Conclusions

Analysis of the 3D geometry of the vocal fold medial surface under Hirano's four typical laryngeal configurations revealed that the key geometric changes during TA/CT interactions lie within the anteroposterior length and the vertical thickness of the vocal fold.

Level of Evidence

NA Laryngoscope, 2017



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The national landscape of unplanned 30-day readmissions after total laryngectomy

Objectives/Hypothesis

Examine rates of readmission after total laryngectomy and determine primary etiologies, timing, and risk factors for unplanned readmission.

Study Design

Retrospective cohort study.

Methods

The Nationwide Readmissions Database was queried for patients who underwent total laryngectomy between January 2013 and November 2013. Patient-, procedure-, admission-, and institution-level characteristics were compared for patients with and without unplanned 30-day readmission. Outcomes of interest included rates, etiology, and timing of readmission. Multivariate logistic regression was used to identify predictors of 30-day readmission.

Results

There were 2,931 total laryngectomies performed in 2013 with an unplanned readmission rate of 17.5%. Postoperative fistula accounted for 13.7% of readmissions. The odds of readmission were elevated for patients undergoing concurrent procedures, including primary tracheoesophageal fistulization (adjusted odds ratio [aOR]: 2.44, 95% confidence interval [CI]: 1.15-5.18, P = .02) and/or pedicle graft or flap procedures (aOR: 1.73, 95% CI: 1.13-2.66, P = .01). Additionally, patients with comorbid coagulopathy (aOR: 3.04, 95% CI: 1.13-8.22, P = .03), liver disease (aOR: 2.48, 95% CI: 1.08-5.71, P = .03), and valvular heart disease (aOR: 3.18, 95% CI: 1.20-8.41, P = .02) had increased risk for unplanned 30-day readmission. Private insurance and longer lengths of stay were associated with decreased odds of readmission.

Conclusions

Nearly one-fifth of total laryngectomy patients are readmitted to the hospital within 30 days of discharge. Risk factors identified in this nationally representative cohort should be carefully considered during the postoperative period to reduce preventable readmissions after total laryngectomy.

Level of Evidence

2c Laryngoscope, 2017



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Effect of topical nasal anesthetic on swallowing in healthy adults: A double-blind, high-resolution manometry study

Objective

Topical nasal anesthetic (TNA) is used when evaluating pharyngeal swallowing with high-resolution manometry (HRM). It is unclear if desensitizing the nasal mucosa improves procedure tolerability or affects pharyngeal pressure. This study evaluated the effects of TNA on comfort and pharyngeal pressure using HRM.

Methods

A double-blinded study was conducted with 20 healthy participants ( inline image = 27 years). Participants performed five saliva and five 10-mL swallows during two exams with ManoScan HRM ESO catheter (Medtronic, Minneapolis, MN) randomized under placebo (nonanesthetic lubricant) and anesthetized (0.4 mL of 2% viscous lidocaine hydrochloride) conditions. Comfort was rated using a 100-mm visual analog scale (VAS). Pharyngeal HRM amplitude and timing were analyzed.

Results

VAS ratings were similar under placebo (mean = 38.4, standard deviation [SD] = 19.92) and TNA conditions (mean = 33.78, SD = 18.9), with no significant differences between placebo and anesthetized conditions (t[19] = 1.23, P = 0.23) or tolerability at first and second procedure (t[19] = 1.38, P = 0.18). Lower maximum and mean pharyngeal pressure were found for the TNA condition when compared to placebo (dry: maximum [−15.45 mmHg, standard error (SE) = 5.06 mmHg, P = 0.021]; mean [−5.22 mmHg, SE = 1.58 mmHg, P = 0.005]), and (liquid: maximum [−14.79 mmHg, SE = 5.01 mmHg, P = 0.010]; mean [−2.79 mmHg, SE = 1.99 mmHg, P = 0.008]).

Conclusion

This double-blind, randomized study is the first to investigate effects of TNA on tolerability and pharyngeal pressure using HRM. Results indicate TNA offered no significant difference in procedure comfort while affecting the magnitude of pharyngeal swallowing.

Level of Evidence

4. Laryngoscope, 2017



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When should you perform injection medialization for pediatric unilateral vocal fold immobility?



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Healthcare disparities in pediatric otolaryngology: A systematic review

Objectives

Multiple studies have reported healthcare disparities in particular settings and conditions within pediatric otolaryngology, but a systematic examination of the breadth of the problem within the field is lacking. This study's objectives are to synthesize the available evidence regarding healthcare disparities in pediatric otolaryngology, highlight recurrent themes with respect to etiologies and manifestations, and demonstrate potential impacts from patient and provider standpoints.

Methods

A qualitative systematic review of the PubMed, Ovid, and Cochrane databases for articles focusing on racial, ethnic, or socioeconomic disparities related to pediatric otolaryngology conditions or settings was conducted. United States-based studies of any design or publication date with analysis of children 0 to 18 years old were included.

Results

Of 711 abstracts identified, 39 met inclusion criteria. Manual review of references from these articles yielded 22 additional studies, for a total of 61. Disparities were identified in nearly every subspecialty within pediatric otolaryngology, with otologic conditions the most frequently studied (33 of 61). The most commonly cited disparities involved low socioeconomic status (25 of 61), inadequate insurance (23 of 61), nonwhite race (21 of 61), and barriers to accessing care (21 of 61). Only six articles found no disparities regarding the condition examined in their study.

Conclusion

Through a variety of study topics, designs, and settings, a growing body of literature documents disparities across the spectrum of pediatric otolaryngology care. The etiologies and manifestations of such disparities are myriad. This evidence suggests the need for interventions to address these disparities at various professional and institutional levels, ideally with methodological rigor to assess the effectiveness of such interventions. Laryngoscope, 2017



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Comparison of pediatric adenoidectomy techniques

Objectives

Evaluate the effects of electrocautery, microdebrider, and coblation techniques on outpatient pediatric adenoidectomy costs and complications.

Study Design

Observational retrospective cohort study.

Methods

An observational cohort study was performed in a multihospital network using a standardized accounting system. Children < 18 years of age who underwent outpatient adenoidectomy were included from January 2008 to September 2015. Cases with additional procedures were excluded. The cohorts were divided into children who underwent electrocautery, microdebrider, or coblator adenoidectomy. Data regarding costs, postoperative complications, and revision surgeries were analyzed.

Results

A total of 1,065 cases of adenoidectomy were performed with electrocautery (34.9%), microdebrider (26.1%), and coblation (39.0%). There was an increased after direct cost associated with the microdebrider, $833 (standard deviation [SD] $363) and the coblator, $797 (SD $262) compared to the electrocautery, $597 (SD $361) (P < 0.0001). There was a greater overall operating room (OR) time associated with use of the microdebrider (mean 28.7, SD 11.0 minutes) compared with both the electrocautery (mean 24.7, SD 8.1 minutes) and coblator (mean 26.2, SD 9.8 minutes) (P < 0.0001). No significant difference was found with regard to complication rates. The incidence of repeat adenoidectomies was significantly greater for microdebrider (9.7%) compared to electrocautery (2.7%; P = 0.0002) and coblator (5.3%; P = 0.0336) techniques.

Conclusion

These results suggest that adenoidectomy with electrocautery is significantly less expensive than microdebrider and coblator, with no differences in complication rates or surgical times among the techniques. Microdebrider adenoidectomy was associated with a longer overall OR time and a higher rate of adenoid regrowth, requiring revision surgery.

Level of Evidence

4. Laryngoscope, 2017



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Impact of an oral appliance on obstructive sleep apnea severity, quality of life, and biomarkers

Objective/Hypothesis

To investigate outcomes including efficacy, quality of life, and levels of inflammatory markers of a mandibular advancement device (MAD) for moderate-to-severe obstructive sleep apnea (OSA).

Study Design

Case-control study.

Methods

Patients with apnea-hypopnea index (AHI) ≥ 15/hr who only accepted MAD therapy (study group) or who refused any treatment (control group) were recruited. At baseline and at 6 months, polysomnography, Epworth Sleepiness Scale (ESS), Functional Outcomes of Sleep Questionnaire (FOSQ), C-reactive protein (CRP), interleukin 1β, interleukin 6, and tumor necrosis factor α (TNF-α) were assessed in both groups.

Results

At baseline, the study group (n = 30) showed a higher percentage of rapid eye movement sleep and higher CRP levels (P < .05) than the control group (n = 10). At 6 months, the MAD significantly improved AHI and lowest oxygen saturation (P < .01), non–rapid eye movement (N)1 and N3 sleep stages (P < .05), ESS score (P < .05), FOSQ total score (P < .01), interleukin 1β (P < .05), and TNF-α (P < .01) compared with the untreated group. In the overall, moderate, and severe OSA groups, 63.3%, 75%, and 50%, respectively, achieved at least good response.

Conclusions

Use of a MAD significantly improved polysomnographic parameters, quality of life, and some inflammatory markers (CRP, IL-β, and TNF-α) in a significant proportion of patients with moderate OSA and in some patients with severe OSA. Hence, a MAD may be a viable alternative therapy in patients with moderate-to-severe OSA who refuse continuous positive airway pressure.

Level of Evidence

3b Laryngoscope, 2017



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Referral patterns from emergency department to otolaryngology clinic

Objectives/Hypothesis

Patients who present to the emergency department (ED) with various otolaryngologic disorders are frequently referred to an otolaryngologist for follow-up care. Our aim was to further characterize this group as it has not been well described in the literature.

Study Design

Cross-sectional retrospective study.

Methods

We reviewed the charts of patients seen during an 18-month period in an urban public hospital trauma center adult ED and referred to an otolaryngology clinic for follow-up care.

Results

Seven hundred thirty-eight patients were seen and referred; the most common diagnoses made by ED providers were peripheral vertigo (12%), otitis externa (8%), and nasal fractures (8%). Nine percent of patients were evaluated during their ED visit by an otolaryngology provider. Three hundred seventy-two (50%) patients returned for their otolaryngology clinic visit; facial trauma patients were least likely to return. The most common diagnoses made by otolaryngology providers were otitis externa (12%), peripheral vertigo (12%), and nasal fractures (7%). There was 50% concordance between patients' diagnoses made by ED and otolaryngology providers. The most common differences were otitis media versus otitis externa (10%) and acute pharyngitis versus laryngopharyngeal reflux (8%). During 37% of follow-up visits, an in-office procedure was performed, most commonly flexible fiberoptic laryngoscopy, cerumen removal, and nasal endoscopy.

Conclusions

Our analysis reports comprehensive characteristics of this referral group, identifying potential areas for improvement in patient management, resident education and efficiency. Otolaryngologists covering EDs should be familiar with this population in terms of types of cases that may affect their practices.

Level of Evidence

4. Laryngoscope, 2017



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Issue Information



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World's most expensive sex robot REVEALED: Adult star behind doll confesses KINKY fetishes

The 31-year-old Japanese-American actress has scooped many honours including AVN's "Performer of the Year" award in 2013. 31-year-old porn star Asa Akira has starred in over 500 porn films.



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Left frontoparietal network activity is modulated by drug stimuli in cocaine addiction

Abstract

Cocaine addicts present reduced activity in the left frontoparietal network, a brain network associated with cognitive control, during the processing of non-drug reward related stimuli (Costumero et al., Addiction Biology 22:479–489, 2015). However, the involvement of this network in drug-related stimuli processing remains unclear. Here, fifteen cocaine-dependent men and fifteen healthy matched controls viewed cocaine-related, erotic, aversive, and neutral pictures during an fMRI session. Group independent component analysis was then performed to investigate how functional networks were modulated by the different emotional images. The results showed that the cocaine-dependent group showed stronger left frontoparietal network activity during the processing of cocaine-related pictures than the control group. Furthermore, the activity of this network during cocaine image processing was positively associated with the years of cocaine use in addicted subjects. In conclusion, our results indicate that the left frontoparietal network is affected in cocaine-dependent men, and may be related to the cognitive control deficits shown in addiction.



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Prognostic impact of gene mutations in myelodysplastic syndromes with ring sideroblasts

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Comings and Goings: Dentist fills niche with bike bus

Downtown Davis dentist James Meinert owns Davis Pedals. Though the business is listed under his office address of 604 Third St., the bus will operate from a garage adjacent to the D Street Steakhouse , 113 D St. He plans pub tours, progressive dinners and wine-tasting tours, he said.



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Prognostic impact of gene mutations in myelodysplastic syndromes with ring sideroblasts

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Prognostic impact of gene mutations in myelodysplastic syndromes with ring sideroblasts

Prognostic impact of gene mutations in myelodysplastic syndromes with ring sideroblasts, Published online: 20 November 2017; doi:10.1038/s41408-017-0016-9



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New science of climate change impacts on agriculture implies higher social cost of carbon



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Host-genotype dependent gut microbiota drives zooplankton tolerance to toxic cyanobacteria



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Influence of historical land use and modern agricultural expansion on the spatial and ecological divergence of sugarcane borer, Diatraea saccharalis (Lepidoptera: Crambidae) in Brazil



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Mixing instabilities during shearing of metals

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Head to Head Survey: Presbia PLC

Presbia PLC and Sirona Dental Systems are both advanced medical equipment & technology - nec companies, but which is the superior stock? We will contrast the two companies based on the strength of their earnings, profitability, analyst recommendations, dividends, risk, valuation and institutional ownership. Presbia PLC presently has a consensus price target of $11.33, suggesting a potential upside of 226.61%.



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Dentist doing his bit in Tonga

Jacob Grieve, along with his three children and wife Justine, were part of a group of 30 Kiwis who went to Tonga in September to support medical needs. Dr Grieve, lead dentist at Lumino Knox Dental and Lumino Pitt St, said although dentists in Tonga were trying their best to meet the needs of thepeople, there was room for improvement.



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Epidemiology and impact of bloodstream infections among kidney transplant recipients: A retrospective single-center experience

Abstract

Background

Bloodstream infections (BSI) represent an important source of morbidity and mortality, as well as an increasing therapeutic challenge, among solid organ transplant recipients. Understanding the epidemiological and microbiological characteristics of BSI following renal transplantation is paramount to the implementation of appropriate preventative and therapeutic measures.

Methods

We conducted a retrospective review of all BSI episodes occurring between July 2009 and April 2016 in adult patients, who received a renal transplant at Royal Free London hospital.

Results

A total of 116 episodes of BSI occurred in 87 patients, 43 (49.4%) of them men. The mean age at BSI was 54.37±12.81 years. Late-onset BSI (> 12 months post transplant) represented 55.2%, with the median time to BSI being 16.28 month. A total of 67 patients had a single BSI, and 20 had recurrent episodes. Enterobacteriaceae were responsible for 73.7% of BSI, with Escherichia coli the commonest causative organism (46.6%). The urinary tract was the most frequent source of infection in 56.9%. Among the E. coli infections, 100% of the tested isolates were sensitive to meropenem, ertapenem, tigecycline, and fosfomycin, and >90% were sensitive to piperacillin-tazobactam, amikacin, and colistin. Lower susceptibility rates were encountered for ceftriaxone (70.6%), amoxicillin clavulanic acid (48.1%), cotrimoxazole (40.4%), trimethoprim (37.3%), and amoxicillin (21.6%). During BSI episodes, the median serum creatinine increased from a reference value of 131 μmol/L to a peak of 219 μmol/L. Acute kidney injury (AKI) complicated 75/116 BSI episodes (64.7%) – stage 1: 34, stage 2: 31, and stage 3 AKI: 10 episodes. After 3 months, the median creatinine remained elevated at 146 μmol/L. The 3-month mortality rate was 8% (7/87), and the death-censored graft loss was 6.9% (6/87). No significant difference was seen between BSI of urinary and non-urinary sources in the incidence of AKI (X2 = 0.24, P = 0.6) or the percentage of creatinine change between baseline and peak and 3-month creatinines (P = 0.2 and 0.7 respectively).

Conclusions

Urinary tract infection remains the commonest source of systemic infection among kidney transplant recipients and resistance to commonly used frontline antibiotics is common; thus, prevention and early detection are paramount. The appropriate choice of initial empirical antibiotic is vital to improve the outcome. Each unit needs to understand the epidemiology of organisms causing BSI in their transplant patients and their antibiotic susceptibilities.

This article is protected by copyright. All rights reserved.



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This simple trick will make your teeth whiter

Everyone wants a better smile. In fact, according to a recent study , nearly 60 percent of Americans would opt to have better teeth than better skin.



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Gene expression profile changes in the jejunum of weaned piglets after oral administration of Lactobacillus or an antibiotic.

Related Articles

Gene expression profile changes in the jejunum of weaned piglets after oral administration of Lactobacillus or an antibiotic.

Sci Rep. 2017 Nov 17;7(1):15816

Authors: Zhang D, Shang T, Huang Y, Wang S, Liu H, Wang J, Wang Y, Ji H, Zhang R

Abstract
The small intestine plays an essential role in the health and well-being of animals. Previous studies have shown that Lactobacillus has a protective effect on intestinal morphology, intestinal epithelium integrity and appropriate maturation of gut-associated tissues. Here, gene expression in jejunum tissue of weaned piglets was investigated by RNA-seq analysis after administration of sterile saline, Lactobacillus reuteri, or an antibiotic (chlortetracycline). In total, 401 and 293 genes were significantly regulated by chlortetracycline and L. reuteri, respectively, compared with control treatment. Notably, the HP, NOX1 and GPX2 genes were significantly up-regulated in the L. reuteri group compared with control, which is related to the antioxidant ability of this strain. In addition, the expression of genes related to arachidonic acid metabolism and linoleic acid metabolism enriched after treatment with L. reuteri. The fatty acid composition in the jejunum and colon was examined by GC-MS analysis and suggested that the MUFA C18:1n9c, and PUFAs C18:2n6c and C20:4n6 were increased in the L. reuteri group, verifying the GO enrichment and KEGG pathway analyses of the RNA-seq results. The results contribute to our understanding of the probiotic activity of this strain and its application in pig production.

PMID: 29150660 [PubMed - in process]



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Trang women arrested for alleged unlicensed dentistry

Police, health officials and military personnel arrested a woman on Saturday for allegedly operating an illegal dental clinic disguised as a grocery in Muang district, Trang province. The woman, identified as Payom "Jeh Lek" Jaiyai, 51, reportedly told officials that she had learned orthodontic treatments including installing dental braces on the Internet and operated the clinic for five years.



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