ct.scan examinations cause high patient absorbed dose from x-ray ionizing radiation. therefore it is necessary to obtain superficial dose profile in z-line. in this research 11 thermoluminecent dosimeter (tld), after calibration were located on z line perpendicular to slice thickness. ct.scan machines did x-ray exposures. the resultant dose profiles showed gussian shape apperience, which has se...

background:methotrexate (mtx) is one of the most commonly used disease-modifying antirheumatic drugs in the treatment of rheumatoid arthritis (ra) which can be associated with toxic effects on different organs. this study was designed to investigate the hepatotoxic effects in ra patients treated with mtx. methods: in this cross-sectional observational study, ra patients who received standard do...

this study was done to determine whether high or low dose of anti-snake venom (asv) is better in coagulopathy in victims of envenoming by vipers. this retrospective study was conducted on the 154 patients (mean age ± sd, range) of viper snake bites who were referred to the emergency ward of razi hospital, ahvaz, iran over 2 years period (2004 - 2006). according to the treatment dosage the patie...

at the present, many drugs are used for inhibition of uterine contractions, but the proportions of preterm labors are increasing. although magnesium sulfate is the most commonly prescribed parenteral tocolytic agent, but its optimal use has yet to be delineated. in this study a high-dose protocol for magnesium sulfate tocolytic therapy was compared with a low-dose regimen. one-hundred patients ...

Sir, We read with interest the article by Kosch et al. w1x comparing the i.v. infusion of iron sucrose with iron gluconate in patients on haemodialysis. Although this study provides some direct comparative analysis between two forms of parenteral iron compounds, the implication that iron sucrose being a monthly bolus dose might be better than the more frequently, Nephrol Dial Transplant (2002) ...

background: osteonecrosis (on) is known to be one of the most disabling complications following corticosteroid (cs) medications. however, evidence regarding risk of asymptomatic prevalence of on among different diseases and the impact of variable steroid regimens are conflicting. we aimed to determine the prevalence of on of femoral head in asymptomatic patients with systemic rheumatic diseases...