background: given the importance of the chronic obstructive pulmonary disease (copd) and role of different factors in self-care behaviors of copd patients, this study was conducted to determine the effect of self-efficacy program on self-care behaviors of copd patients. materials and methods: in this semi-experimental study, 62 copd patients were recruited in which 31 subjects were in control g...

introduction: the berlin questionnaire (bq) is a common tool to screen for obstructive sleep apnea (osa) in the general population, but its application in the clinical sleep setting is still challenging. the aim of this study was to determine the specificity and sensitivity of the bq compared to the apnea-hypopnea index obtained from polysomnography recordings obtained from a sleep clinic in ir...

The aetiology of azoospermia can be grossly divided into obstructive and non-obstructive causes. Although in both cases testicular spermatozoa can be used to treat male fertility, it is not well established whether success rates following intracytoplasmic sperm injection (ICSI) are comparable. Therefore, a retrospective analysis of fertilization, pregnancy and embryo implantation rates was perf...

Obstructive hypertrophic cardiomyopathy (obstructive HCM) is a hereditary disease characterized by septal hypertrophy and dynamic left ventricular outflow tract (LVOT) obstruction. Other than hypertrophy, mitral valve abnormalities are also quite common in patients with obstructive HCM, which may contribute to systolic anterior motion (SAM) of the LVOT Surgical myectomy standard treatment achie...

Background: About 15% of couples worldwide suffer from infertility problem that half of these cases are related to male infertility. Spermatogenesis is a cumulative process and thousands of genes are involved in it. Change in one of these genes or their products can cause male infertility. Tex11 is a germ cell specific gene that is located on the X chromosome (Xq13.1 region). This gene was iden...

Background: Azoospermia is the total absence of sperm cells from a patients semen sample after centrifugation. It could be obstructive or non-obstructive and its associated causes include chromosomal defects, infections, gonadotrophins imbalance, and etc in the patients. The objective is to determine the prevalence of primary testicular failure, germinal insufficiency, obstructive azoospermia a...

garbage collectors are occupationally exposed to a variety of airborne contaminants. the main objective of this study was to evaluate the respiratory health of garbage collectors. this study was carried out in fars province, south of iran. a group of 105 garbage collectors and 93 referent subjects were investigated. a standard questionnaire was administered to both groups. furthermore, subjects...