ventilation tube (vt) insertion is the most common otologic operations performed in children, which has great importance in recovery and prevention of hearing loss in children with eustachian tube dysfunction in critical ages of growth development. the location of the vt insertion varies in different studies; the differences are in recovery rates and sequelae of vt insertion. this study is perf...

background: controlled ovarian hyper stimulation coh/iui represents a therapy applicable to a wide variety of infertility diagnosis with no significant mechanical distortion of pelvic viscera. identified variables influenced in intra uterine insemination include: age, cause of infertility, sperm number, motility and normal percentage, use of gonadotropine and number of attempts at iui. the role...

results cox regression analysis showed that co-infection with hiv significantly affects the survival rate of tb patients so that the rate of death was 20.7 (8.1-53) times more than tb infected patients alone. also, married patients with tuberculosis were 2.7 times more at risk of death than single subjects. we also confirmed that in hiv/tb positive patients, married individuals were more prone ...

introduction: the aim of this study is to compare holmium laser (ll) with pneumatic lithoclast (pl) in patients with upper ureteral stones and their ability to destruct the stones and making the patient stone free. we also compare the duration of these procedures and their complications, such as urosepsis, perforation, and pushing the stone backward. methods: this has been a clinical randomized...

background the number of patients with gastric cancer is growing worldwide. in iran (in 2009) of the 74067 new cases of cancer, 6886 were diagnosed as having gastric cancer. this study was conducted to investigate 5-year survival rate for gastric cancer in yazd province, central iran. methods in this descriptive study, the medical records of patients with gastric cancer were collected from the ...

objective: at present, treatment of edentulous areas with implant-supported prosthesis has greatly increased. the aim of this study was to assess the survival rate of implants with different diameters. methods: this retrospective study was conducted on 239 warfare victims presenting to qazi tabatabaie clinic during 2000-2010. a total of 1,649 implants were placed. the success criteria included ...

background & purpose: air pollution has been known as one of the most effective factors on cardiovascular, pulmonary and infectious diseases. this study aims to determine the relation between mortality rate and air pollution in mashhad during 2007-2009. materials & methods: data of air pollution, mortality rate and geographic factors were collected during 2007-2009 and analyzed. mortality rate,...