Mohammad Farhadi

HEAD & Neck Surgery Department, Research center of Otolaryngology, Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran.

[ 1 ] - A Comparative study of four Persian versions of sleep questionnaires for screening obstructive sleep apnea syndrome (OSAS)

Background: Diagnosis of obstructive sleep apnea syndrome (OSAS) is valuable, but it is time-consuming and expensive. Appropriate screening instruments help clinicians select high-risk individuals for further investigations. In the present study, we compared 4 popular instruments used in screening OSAS including Berlin, STOP, STOP-BANG questionnaires, and Epworth Sleepiness Scale (ESS).  ...

[ 2 ] - Sellar reconstruction algorithm in endoscopic transsphenoidal pituitary surgery: experience with 240 cases

 Background: Proposing a strategy for sellar reconstruction in endoscopic transsphenoidal transsellar approach for pituitary adenoma. Methods: 240 patients with pituitary adenoma underwent pure endoscopic endonasal transsphenoidal surgery. Intra-operative CSF leaks were classified as grade 0, no observable leak grade 1, CSF dripping through an arachnoid membrane defect of less than 1 ...

[ 4 ] - Effectiveness of adenoidectomy on tympanostomy tubes retention duration

 Abstract Background: The children with middle ear effusion need repeated re-tympanostomies. Adenoidectomy is an effective surgical intervention in the management of chronic otitis media with effusion in conjunction with in-sertion of tympanostomy tubes (TTs). To find out whether TTs in different positions decrease the rate of re-tympanostomies study was done. Methods: The present study retrosp...

[ 5 ] - DESIGN AND STRUCTURE OF A NEW DEVICE FOR AUDITORY ELECTRICAL STIMULATION FOR SUPPRESSION OF TINNITUS

Auditory Electrical Stimulation for Tinnitus Suppression Tinnitus is the conscious experience of sound which arises in the head of its owner, but without a voluntary origin obvious to that person. About 10-15% of all adults report prolonged spontaneous tinnitus (PST). There are a lot of methods for suppressing this complaint. One of these methods is electrical stimulation. Electrical stimu...

[ 6 ] - بررسی اثربخشی برنامه توانبخشی شنیداری مجازی چندرسانه‌ای خانواده‌محور نوایش بر میزان عملکرد ادراک شنیداری و گفتاری کودکان ناشنوای کاشت حلزون شده

هدف از پژوهش حاضر بررسی اثر بخشی برنامه توانبخشی شنیداری مجازی چند رسانه‌ای خانواده محور نوایش بر میزان عملکرد ادراک شنیداری و گفتاری کودکان ناشنوای کاشت حلزون شده بوده است. این پژوهش، یک مطالعه نیمه‌‌آزمایشی با طرح پیش‌آزمون-پس‌آزمون و گروه کنترل بود. در این پژوهش، 40 نفر از کودکان ناشنوای کاشت حلزون شده بین 2 تا 7 ساله از مرکز کاشت حلزون شنوایی بیمارستان رسول اکرم شهر تهران به صورت هدفمند انت...