conclusions pyeloplasty, with adequate spatulation, hemostasis and a watertight anastomosis, represents the mainstay of successful pyeloplasty and there may be no significant benefit for urethral stenting, especially in non-complicated cases. background anderson-hynes dismembered pyeloplasty is the gold standard therapeutic approach to ureteropelvic junction obstruction (upjo). use of a drainag...

background: to determine the prevalence of outpatient and hospitalization for cataract surgery in iran. methods: a random cluster sampling was done in a cross-sectional study on cataract surgeries performed in treatment centers of ophthalmology in iran between 2000 and 2005. one week of each season was selected randomly and all cataract surgery files of the center were studied. this study repor...

background and purpose: cancer and cerebrovascular accidents (cva) are two most common causes of mortality and morbidity in the elderly. patients with brain tumor can be highly affected by postsurgical stroke. cva may be the first manifestation in these patients . therefore, we aimed to assess the epidemiological factors affecting cva after brain surgery. methods: in this cross-sectional study ...

background and aim: the main goal of endodontic treatments is eliminating the etiologic factors of pulpal and periapical diseases as well as maintaining this condition via providing a hermetic seal between periodontium and root canal system. if these were not possible through orthograde approach, periradicular surgery and root-end filling are indicated. review of literature: different materials...

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 mm and grad...

abstract background: transtracheal jet ventilation is an alternative ventilatory approach in airway surgery. the purpose of this study was to compare respiratory efficacy of percutaneous transtracheal with endotracheal, low frequency jet ventilation during microlaryngeal surgery. methods: ninety asa class i-ii patients aged between 16 and 70 years undergoing elective microlaryngeal surgery were...

cystoid macular edema (cme) is a painless disease with different etiologies, which manifests as multiple cyst like (cystoid) spaces in the macula. cme is a common cause of vision loss following cataract surgery. some risk factors for post-cataract surgery cme include intraoperative complications specially incarceration of vitreous in the surgical wound, history of diabetes, uveitis and postoper...

abstract background: this study sought to determine patient characteristics, process of care, and outcome as predictors of reintubation after open-heart surgery. methods: we performed a retrospective case control study that included all patients undergoing cardiac surgery who required reintubation and an equal number of control patients not requiring reintubation. putative risk factors were ana...

introduction: esthetic surgeries are among the commonest medical procedures in the world nowadays; and as statistics declare, there has been a rapid increase in the rate of rhinoplasty during the recent years. hence, as the number of cosmetic surgeries rises, the increment in the number of physicians being sued is quite inevitable; either due to complication in rhinoplasties or even inability t...

introduction: endoscopic sinus surgery is a common procedure performed by otolaryngologists. this study evaluated the efficacy of intravenous (iv) tranexamic acid (ta) on hemorrhage  in patients undergoing elective endoscopic sinus surgery (ess).   materials and methods: the present study was performed in 170 patients scheduled for ess surgery under general anesthesia in order to examine the ef...