the main objective of endodontic therapy is the thorough mechanical and chemical cleansing of the entire root canal system and its complete obturation with an inert filling material. failure to find and fill a canal contributes toward the failure of endodontic therapy .the root canal anatomy of mandibular first molars is complex. studies of the morphologic structure of root canal systems have d...

background: seroma formation is a common complication after breast cancer surgery. several techniques such as tube drainage, fibrin sealant and suturing methods have been employed to prevent or reduce seroma formation. capitonnage, a suturing method widely used following hydatid cyst removal, has been used after breast surgery in limited studies. our aim was to compare the effectiveness of tube...

atrial fibrillation (af) is associated with inflammatory and hypercoagulability state. previous studies evaluated the safety and efficacy of dabigatran and warfarin in prevention of thrombothic complications. this study was intended to assess the influence of these drugs on hemostatic and inflammatory markers among patient underwent pulmonary vein ablation.   a total of 100 patients with af who...

background: primary hyperhidrosis (ph) refers to excessive sweating, beyond normal physiological levels, in specific sites of the body for unknown reasons. it is usually bilateral and is most prominent in the palms, axillae, feet, and face. ph prevalence is estimated to be 0%-6.1% in different populations. it usually begins in childhood and is more frequent in women. in 57% of cases, there is a...

neonatal hypoglycemia is common and its prompt ‎management is important to reduce neurological sequelae. to determine the effect of two different glucose concentrations of intravenous (iv) fluid ‎therapy in the incidence of hypoglycemia in sick premature infants, 200 preterm infants ‎weighing 1500-2500 g were selected and randomly assigned into two groups. ‎group 1 received 10% dextrose in wate...

conclusions cap/hap remains one of the leading causes of morbidity and mortality in the world. bacterial resistance is increasing and adds to the difficulty in treating these patients. newer drugs are available but should be used judiciously and in the right setting. context the incidence and prevalence of both community and hospital acquired pneumonia has remained relatively constant over the ...

oxygen therapy might increase damaged tissue oxygenation, turn on the aerobic pathway, and save neurons from death and could improve clinical outcome of the patients with stroke and head trauma. hyperbaric oxygen therapy is accompanied by some unfavorable effects. results of normobaric oxygen therapy on clinical outcomes of patients with stroke were controversial up till now.  this study was th...

conclusions according to our results, the infusion of one liter normal saline will cause a statistically significant decrease only in bd, after one hour, in patients with moderate to severe iss. the changes in sbp, pr, cvp and also ph, hco3 and hb were not statistically remarkable. background the management of trauma patients is often difficult. the american college of surgeons suggests using a...

conclusions the taping technique, as applied in this study demonstrates an impressive effect on wrist extension force and grip strength of patients with te. elbow taping also reduces pain at the lateral aspect of the elbow in these patients. background tennis elbow (te) is a common musculotendinous degenerative disorder of the extensor origin at the lateral humeral epicondyle. different modes o...