Comparison of Open and Ultrasound-Guided Placement of Central Venous Catheter in Children Weighing Less Than Five Kilograms; A Randomized Clinical Trial.

Objectives: Ultrasound is currently utilized to locate the internal jugular vein (IJV), reduce the complications of catheter placement, and increase the likelihood of accessing IJV. Therefore, the aim of the present study was to evaluate the effectiveness of ultrasound in reducing complications during catheter placement in children weighing less than 5 kg.

Materials And Methods: The current randomized clinical trial was performed on 111 children weighing less than 5 kg who required a central venous catheter (CVC).

Effect of pulse therapy with glucocorticoid and cyclophosphamide in lung fibrosis due to paraquat poisoning in rats.

Objective: To evaluate the effectiveness of cyclophosphamide and methylprednisolone pulse therapy in the prevention of pulmonary fibrosis due to paraquat poisoning in rats.

Methods: This study was carried out in Sina Hospital, Tabriz, Iran, between February and August 2009. Acute poisoning in rats was induced by intraperitoneal injection of Paraquat (15 mg/kg).