introduction: varicocele is considered as a common cause of male infertility. the aim of this study was to evaluate the effects of varicocelectomy on sperm parameters, sperm membrane integrity and sperm nuclear maturity. materials and methods: in this study along with routine semen analysis, hypo-osmotic swelling test (host), and aniline blue staining for assessment of as 45 and 90 days after i...

A 21-year-old man had undergone central bisegmentectomy of the liver due to fibrolamellar carcinoma (FLC). Twice, 24 and 30 months after the first operation, lymph node metastases were removed. We have reported this case previously and this is the second report of the same case. Forty-two months after the second operation to remove lymph node metastases, a recurrence occurred in the rectum and ...

Background and Objectives: Postoperative ileus is common after abdominal resection. It causes gas store, distention, nausea, vomiting, and even pain. This study examines the impact of gum chewing as a type of sham feeding on the duration of postoperative ileus. Methods: In this randomized control trial study, 70 patients in two groups (each group n=35) underwent abdominal resection. The A gro...

INTRODUCTION intramedullary nailing is a method of choice in the management of long bone diaphyseal fractures. However, complications necessitating re-operation may arise. This study was aimed at determining the rate and indications for re-operation following intramedullary nailing of tibia shaft fractures. METHODS it was a cross-sectional study done at Orthopaedic Department of Obafemi Awolo...

introduction & objective: adequate and proper hydration during surgery is one of the duties of anesthesiologist. based on the different effects of dextrose–containing fluids and dextrose-free fluids on the level of blood sugar, we decided to evaluate the effects of these fluids on the blood sugar level after short-term surgeries. materials & methods: one hundred patients who were scheduled for ...

distance-balanced graphs are introduced as graphs in which every edge uv has the followingproperty: the number of vertices closer to u than to v is equal to the number of vertices closerto v than to u. basic properties of these graphs are obtained. in this paper, we study theconditions under which some graph operations produce a distance-balanced graph.

hemorrhoid is one of the anorectal disorders in children, which is reported to be complication of portal hypertension. this condition is not common in children. we found only 7 cases from 30000 operation done in tehran university hospital on pediatric group between 1983-99. the main complain of these 7 cases was anorectal mass (43%) and pain due to thrombosis (28.5%) treatment of all 7 cases wa...