objective: to compare self-confidence in woman with and without pcos according to their ages. materials and methods: this comparative study was conducted on 400 women (100 with and 300 without pcos) in clinics of shahid akbar-abadi and firouzgar hospitals, from july 2012 to february 2013. spss-16 used for statistical analysis (spss; spss inc., chicago, il, usa). results: this study showed 98% o...

labor pain is one of the most tiresome types of pain. so human has been seeking to allay this pain until now. administration of a suitable agent such as entonox during labor is very beneficial for childbirth outcomes. entonox can be administered in two ways: intermittently and continuously. the aim of this study is to demonstrate whether continuous method is as safe as intermittent method? this...

Background and Objectives There are several different commercially available virtual-reality robotic simulators, but very little comparative data. We compared the face and content validity of 3 robotic surgery simulators and their pricing and availability. Methods Fifteen participants completed one task on each of the following: dV-Trainer (dVT; Mimic Technologies, Inc., Seattle, Washington, ...

statement of the problem some studies reveal that the oral cavity acts as a potential reservoir for h. pylori or a possible route of transmission. the aim of this study was to evaluate the association between advanced periodontal diseases and gastrointestinal problems and the effect of oral hygiene on this relationship. materials and methods this descriptive cross-sectional study was carried ou...

OBJECTIVE To assess the short- and long-term efficacy and safety of treating functional dyspepsia (FD) by Chinese medical syndrome typing (CMST). METHODS A randomized, positive-drug parallel controlled study was conducted. Recruited were 170 FD patients who were randomly assigned to the test group (13 cases, treated by Chinese herbs) and the control group (34 cases, treated by Western medicin...

PURPOSE The optimal time between neoadjuvant chemoradiotherapy (CRT) and surgery for rectal cancer has been debated. This study evaluated the influence of this interval on oncological outcomes. METHODS We compared postoperative complications, pathological downstaging, disease recurrence, and survival in patients with locally advanced rectal cancer who underwent surgical resection <8 weeks (gr...

AIM To compare the effect of cataract surgery in renal transplantation and hemodialysis patients. METHODS We evaluated 51 eyes of 31 renal transplantation patients, 41 eyes of 29 hemodialysis patients and 45 eyes of 32 normal control patients who received phacoemulsification and intraocular lens (IOL) implantation from January, 2000 to August, 2014 in the Beijing Friendship Hospital. Each ind...

BACKGROUND Hysteroscopic adhesiolysis is shown to significantly improve the outcome of intrauterine adhesions (IUA). The Minimally Invasive Surgical Unit (MISU) of our Department recently acquired a hysteroscope which is being used for hysteroscopic adhesiolysis among others. MATERIALS AND METHODS There were 57 patients diagnosed to have IUA of which 54 case notes were available for analysis,...

The aim of the present study was to determine the effect of a small dose of aspirin on a quantitative test of 24-h urinary protein in patients with hypertension in pregnancy. In total, 224 patients with hypertension in pregnancy were continuously selected and were randomly divided into the control group (50 cases with conventional therapy), aspirin 50 mg/day group (60 cases), aspirin 75 mg/day ...

statement of problem: t-loop is one of the most popular closing loops in orthodontic profession. however its activation is in the contrary to bouschinger effect theory, since the formed bends would be opened during activation. the purpose of this study was to add a helix in a way to be more respondent to the bouschinger effect theory. objectives: to compare the load deflection, maximal elastic ...