Vahid Zand

Department of Otolaryngology- Head and Neck Surgery, Otorhinolaryngology Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.

[ 1 ] - The Role of Immunological Factors on Sudden Sensoryneural Hearing Loss

Introduction: In this study, we examined the role of immunological factors on sudden sensory neural hearing loss (SSNHL).   Materials and Methods: This prospective case-controlled study was performed in patients with SSNHL who referred to the ear, nose, and throat (ENT) ward. Fifty-six patients with SSNHLoccurring within a 72-hr period were selected as the case group and 56 participants who ha...

[ 2 ] - The Effect of Topical Tranexamic Acid on Bleeding Reduction during Functional Endoscopic Sinus Surgery

Introduction:Bleeding is a common concern during functional endoscopic sinus surgery (FESS) that can increase the risk of damage to adjacent vital elements by reducing the surgeon’s field of view. This study aimed to explore the efficacy of topical tranexamic acid in reducing intraoperative bleeding. Materials and Methods:This double-blind, randomized clinical trial was conducted in 60 patients...

[ 3 ] - Detection of HSV Infection in Patients with Sudden Sensory-Neural Hearing Loss (SSNHL) by Real-time PCR

Background and Aims: Sudden sensorineural hearing loss (SSNHL) is a common disorder diagnosed in otologic and audiologic practices. Its accompanying symptoms include tinnitus, dizziness, and permanent hearing loss affecting negatively the life quality of affected patients. Many viruses have been involved in the occurrence of SSNHL especially Herpes simplex virus (HSV) type I and II. This study ...

[ 4 ] - The Effect of Gelfoam Impregnated With Botulinum Toxin on Allergic Rhinitis Symptoms

Introduction: This study evaluated the effect of gelfoam impregnated with botulinum toxin on the symptoms induced by allergic rhinitis. Materials and Methods: In total, 30 patients with allergic rhinitis who did not respond to common therapies were included in this clinical trial study. All patients were treated with intranasal gelfoam impregnated with botulinum toxin type a (...

[ 5 ] - Correlation of Serum Vitamin D Levels with Chronic Rhinosinusitis Disease Severity

Abstract Introduction: The present study was conducted to investigate the association between the serum vitamin D levels and severity of disease in chronic rhino sinusitis (CRS) patients. Materials and Methods: This prospective cross-sectional study was conducted on a total of 93 patients suffering from chronic rhino sinusitis with nasal polyposis (CRS w NP). Serum level...

[ 6 ] - Cyclin D1 Expression in Patients with Laryngeal Squamous Cell Carcinoma

Background & Objective: Laryngeal squamous cell carcinoma (LSCC) is considered to be one of the most common cancers of the head and neck, accounting for roughly 90% of all malignant tumors of the larynx. To have a timely diagnosis for a better and practical therapy, molecular markers have to be investigated. The aim of this study was to determine the expression of Cyclin D1 (CD...