Πέμπτη 21 Ιανουαρίου 2021

Learning Curve of Two Handed Endoscopic Ear Surgery on Sheep Temporal Bone: A Fellow’s Perspective

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Abstract

The study puts forth the learning curve of two handed endoscopic middle ear dissection on a sheep temporal bone. It also highlights the usage of sheep temporal bone as an effective simulation technique for two-handed cadaveric temporal bone dissection. 6 sheep temporal bone models were dissected in a period of 15 days. Harvesting of cartilage graft, endoscopic myringotomy and grommet insertion, cartilage butterfly tympanoplasty, ossiculoplasty, stapes surgery and facial nerve decompression, using the Endohold®, were conducted on each bone. There was a remarkable decrease in the time required for subsequent temporal bone dissections, with significant improvement in efficiency, accuracy and neatness of dissection. Practice and experience resulted in upliftment in the level of confidence of the fellow. Striking similarities were noticed between sheep and human temporal bones. Availability of both the hands with a clear endoscopic view made it easier and more c onvenient to perform various procedures. Two handed endoscopic technique provides an excellent approach for ear surgeries. Availability of both the hands for the delicate surgery along with the spectacular endoscopic view contributes to increase in efficiency and surgery outcome. Cadaveric dissection of sheep temporal bones provides a great learning experience for a trainee to practice these delicate and skilful two-handed endoscopic middle ear surgical exercises. Its easy availability and striking similarity of the anatomy makes it a boon for the beginners. It gives ample opportunity to the trainee to explore and learn the complex anatomy, try new skills and develop an expertise in this field. The efficiency and accuracy increases significantly with each dissection, smoothening out the steep learning curve, that is, for such fine and intricate surgical skills.

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Acute Airway Obstruction in a Patient Being Treated With Anticoagulation Therapy

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A 71-year-old man presented to the emergency department with dyspnea, dysph onia, dysphagia, and neck swelling. What is your diagnosis?
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Safe and Efficient Performance of Open Tracheostomies in Patients With COVID-19

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This case series demonstrates a fenestrated technique of tracheostomy that minimizes aerosolization risks by reducing risk of accidental decannulation and stomal infections while creating a tight seal around the tracheostomy tube.
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Systemic Disease After Surgical Treatment for Obstructive Sleep Apnea vs CPAP

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This cohort study assesses the association of surgery for patients with obst ructive sleep apnea with outcomes including cardiovascular, endocrine, and neurological sequelae of apnea.
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Does Pepsin Saliva Concentration (Peptest™) Predict the Therapeutic Response of Laryngopharyngeal Reflux Patients?

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Does Pepsin Saliva Concentration (Peptest™) Predict the Therapeutic Response of Laryngopharyngeal Reflux Patients?

Ann Otol Rhinol Laryngol. 2021 Jan 19;:3489420986347

Authors: Lechien JR, Bobin F, Dequanter D, Rodriguez A, Le Bon S, Horoi M, Thill MP, Salem C, Muls V, Saussez S

Abstract
OBJECTIVE: To study the profile and the therapeutic response of patients with laryngopharyngeal reflux (LPR) at the hypopharyngeal-esophageal multichannel intraluminal impedance-pH monitoring (HEMII-pH) according to the initial pepsin saliva concentration.
METHODS: From January 2018 to January 2020, patients with positive LPR diagnosis at the HEMII-pH were consecutively recruited from 3 European Hospitals. Saliva pepsin concentration (Peptest™) was measured during the HEMII-pH testing period and patients were classified into 2 groups: negative versus positive Peptest. The clinical outcomes, that is, gastrointestinal and HEMII-pH findings, reflux symptom score-12 (RSS-12), and 3-month therapeutic response, were compared between groups.
RESULTS: A total of 124 patients completed the study. Among them, 30 patients had negative Peptest. Pharyngeal reflux events occurred outside 1-hour post-meal time in 74.0%, after the meals in 20.5% and nighttime in 5.5%. The pepsin saliva level was not significantly associated with the reflux events preceding the sample collection. Patients with positive Peptest had better improvement of RSS-12 digestive and respiratory subscores and oral, pharyngeal, and laryngeal findings compared with patients with negative Peptest.
CONCLUSION: Patients with high saliva pepsin concentration had no stronger gastrointestinal, HEMII-pH, or clinical outcomes compared with those with low or undetectable saliva pepsin concentration.

PMID: 33467863 [PubMed - as supplied by publisher]

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Subjective Evaluation of Balance by the Dizziness Handicap Inventory Does Not Predict Fall Risk in Older Adults Visiting Otolaryngology Clinics.

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Subjective Evaluation of Balance by the Dizziness Handicap Inventory Does Not Predict Fall Risk in Older Adults Visiting Otolaryngology Clinics.

Ann Otol Rhinol Laryngol. 2021 Jan 19;:3489420987972

Authors: Abe-Fujisawa I, Maeda Y, Takao S, Kariya S, Nishizaki K

Abstract
OBJECTIVES: Subjective symptoms of dizziness in older adults are affected not only by objective data such as postural balance, but also by complex psychological factors. Published data analyzing how simultaneous evaluations of both objective and subjective assessments of balance can predict fall risk remain lacking. This study examined how fall risk can be predicted based on both objective data for balance and hearing and subjective symptoms of dizziness among older adults visiting otolaryngology clinics.
METHODS: Medical charts of 76 patients ≥65 years old with dizziness/vertigo who visited the otolaryngology clinic were reviewed. Objective data were evaluated by postural balance (posturographic data with eyes open and closed, and one-leg standing test), spontaneous nystagmus, and mean hearing levels. Subjective handicap associated with dizziness/vertigo was assessed using the Dizziness Handicap Inventory (DHI). Subjective mental status of anxiety and depression were assessed using the Hospital Anxiety and Depression Scale (HADS). Information on history (cardiovascular diseases) and fall accidents within the preceding year was collected using an in-house interview sheet.
RESULTS: Objective data on postural balance did not correlate with subjective symptoms on DHI or HADS (P > .05, Pearson's correlation coefficient). Adjusted logistic regression modeling with the outcome of incident falls revealed that poor postural balance significantly predicted fall risk (P < .05; 4.9 [1.4-16.8] per 10-cm2 increment). Nystagmus tended to be associated with fall risk. In contrast, DHI score did not predict fall risk (P = .43; 1.0 [0.9-1.03]). Receiver operating characteristic analysis proposed a cut-off for postural sway with eyes closed >6.1 cm2 as optimal to predict falls in patients with nystagmus (AUC, 0.74; 95% confidence interval, 0.48-0.997).
CONCLUSION: Poor postural balance is associated with increased fall risk after adjusting for subjective symptoms in older adults at otolaryngology clinics. Conversely, the self-perceived dizziness handicap of DHI score is an insufficient tool to evaluate their fall risk.

PMID: 33467884 [PubMed - as supplied by publisher]

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Pediatric Laryngeal Squamous Cell Carcinoma: Systematic Review and Pooled Analysis

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Abstract

Pediatric squamous cell carcinoma (SCC) of the larynx is rare, however recent data seems to support the notion that this pathology is increasing in incidence. Although this has been the case for several decades, treatment algorithms for this patient population remain identical to those of adults

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