conclusions our study demonstrated the efficacy of rfviia in controlling postoperative bleeding in redo cardiac valve surgeries regarding subsequent blood loss and transfusion requirement; however, outcome results remains to be defined. results study groups showed no difference regarding baseline variables. three patients in rfviia group (16.67%) and 13 in placebo group (72.23%) received blood ...

background catheterization of central veins is a routine technique which is widely used in general hospitals and medical intensive care units. it should be carefully performed and managed to prevent adverse side effects. case presentation in this case report, we describe a case of lost guide wire during central venous catheterization, which was successfully treated with a minimally invasive sur...

statement of the problem this study was designed to investigate the complications after surgical removal of mandibular third molars. patients and methods six hundreds and ninety eight lower third molars among 450 patients surgically extracted by general dentists from april 2005 to april 2006 were selected for this study. data were recorded by completing questionnaires regarding post surgical co...

objectives the objective of this study was to evaluate factors influencing waiting time in patients of heart surgery centers, and to make recommendations for health-care policy-makers for reducing waiting time and increasing the quality of services from this perspective. patients and methods this cross-sectional study was performed in 2013. after searching articles on pubmed, elsevier, google s...

abu al-qasim khalaf ibn-e-abbas zahrawi(936-1013 a.d.), known as albucasis in west, was one of the greatest physicians in the islamic world. to many historians, he was considered as the father of modern surgery. his book, al-tasrif, e.g., written in 30 chapters, was, in fact, a medical encyclopedia of that era. it was used as one of the main references in medical academic centers for centuries....

a 54-year-old man referred to our center with barlow’s disease and severe mitral regurgitation. he had atrial fibrillation (af) rhythm, with a mildly enlarged left atrium (la). transesophageal echocardiography (tee) showed no clot in the la and la appendage; there was only mild spontaneous echo contrast in the la appendage. the patient underwent mitral valve repair and the maze operation, durin...

background: injured phrenic nerve secondary to cardiac surgeries is the most common cause of diaphragmatic paralysis (dp) in infants. the aim of this study was to determine the risk factors for dp caused by congenital heart defect corrective surgeries in pediatrics. methods: this cross-sectional study, conducted in a 2-year period (2006 – 2008), included 451 children with congenital heart disea...

autogenous tooth transplantation (att) is a simple and reasonable choice for replacing the missing teeth when a proper donor tooth is available. this report presents a case of successful att of a maxillary right third molar for replacement of mandibular right second molar with a concomitant endodontic-periodontal disease. the mandibular second molar was believed to be hopeless due to a severe d...

background: considering population aging in iran and the importance of cataract surgery in the old age, this study was performed to show the cataract surgical rate (csr) between 2006 and 2010 in tehran province. methods: eighteen centers were randomly selected from cataract surgery centers in tehran. in each center, one week in every season was randomly selected and the number of cataract surge...

the aisi 316 l stainless steel (ss) specimens were exposed to passivation surface through two different processes including; holding in 40-vol% hno3 at temperature of 60 ºc for 30 min and 15-vol%h2so4 at ambient temperature for 1 hour. the corrosion behavior of specimens was evaluated in physiological solutions by electrochemical in vitro tests through linear and tafel polarization tests. cycli...