two hundred and fifty day-old broiler chickens were housed in a high altitude farm and divided in two experimental groups (cold-exposed and control). at the age of 3 and 4 d, the cold-exposed chickens were exposed to 15?c for 3 h, while the control birds were reared under normal condition. during the period between 14 and 28 days, both groups of chickens were exposed to a low environmental temp...

Background: Hypothermia is usually used during cardiac surgery to further protect against cardiac and cerebral ischemia. However, cognitive impairment could be a common complication after open heart surgery. This study aims to determine the effect of rewarming on the cognitive status of patients after open heart surgery.  Methods: The present study was conducted as a double-blind, randomized c...

Introduction: Pheromones play a great role in the reproductive and social behavior of animals. The main sources of pheromones are urine and paracrine secretions. Through the neuroendocrine system, prolactin is a safe parameter to measure and compare the effects of pheromones on the sexual, maternal and also lactating behavior. Methods: Female rats were divided into 19 groups (n=8). To measur...

abstract background: pain is one of the common problems encountered by patients with burns, which increases after each dressing. this study aimed to investigate the effect of inhalation aromatherapy with damask rose essence on the pain of patients with burns that is caused after dressing. materials and methods: a randomized clinical trial was conducted on 50 patients with second‑ and third‑degr...

background: icu patients especially those under mechanical ventilation or with a history of coagulation disorders are at the risk of stress ulcer development and related gi bleeding. typically h2 blockers administration showed prophylactic role to control gastric acidity. preliminary studies have shown that administration of intravenous omeperazol is effective. the object of this study was to c...