Does cosmetic rhinoplasty affect sleep quality and/or contribute to the development of obstructive sleep apnea?

Objective: Rhinoplasty can reduce nasal airways' resistance. This study evaluates the effects of rhinoplasty on sleep quality, daytime drowsiness, and obstructive sleep apnea (OSA).

Methods: In this prospective cohort study, 80 rhinoplasty candidates were examined before and six months after rhinoplasty to evaluate symptom changes.

Comparing urine levels of BLCA-4 nuclear matrix protein in patients with bladder cancer and non-bladder cancer.

Background: The molecular mechanism of bladder cancer is yet not fully understood. Aim of this study was to compare the levels of BLCA-4 nuclear matrix protein in the urine of patients with bladder cancer and non-affected individuals.

Materials And Method: The current cross sectional study was conducted on 45 patients with bladder cancer and 45 patients without bladder cancer who were referred to Alzahra Hospital of Isfahan, Iran in 2017.