objective: exposure to traumatic stressors lead to activation of arousal responses mediated by serotonergic and noradrenergic systems and it may cause a change in numerous neurotransmitters and neuroendocrine systems. there is ample experimental and clinical evidence to suggest that ginkgo biloba extract is neuroprotective and has antioxidant properties and can restore stress-induced elevation ...

background & aim : ventilator associated pneumonia (vap) is the most common infections in critical care units, which leads to more length of hospital stay, costs, and high mortality. therefore, prevention is a priority according to clinical guidelines. the aim of this study is determine the effects of passive versus active implementation of vap guidelines on nurses’ performance in critical care...

evidence based medicine is very important for success of modern medicine. it is the ongoing process of using the most reliable evidence from clinical studies, scientific understanding and medical practice to make the best possible medical choice for patients. evidence based medicine is how medicine advances and how we get improvements in life expectancy and quality of life. it not only identifi...

introduction: performing correct research in different aspects of community as well as medical sciences can be a way to resolve many problems. in order to create a systematic knowledge of research method in academic members of arak university of medical sciences and enabling them in providing proposals and performing researches, a clinical research center was developed. this study is done to in...

background: there are two types of primary dysmenorrhea (spasmodic and congestive) which differ from each other in terms of the time of menstrual cycle outbreak, pain quality and other symptoms. the present study aimed to determine the effect of acupressure at the sanyinjiao point (sp-6) on severity of menstrual symptoms (primary outcome) and the duration of resting time as well as the number o...

purpose: to compare the outcomes of deep anterior lamellar keratoplasty (dalk) using the big-bubble technique with that of penetrating keratoplasty (pk) in patients with keratoconus. methods: this double-blind clinical trial included patients with moderate to advanced keratoconus and poor spectacle-corrected visual acuity or contact lens intolerance. refractive errors, best corrected visual acu...

background substance abuse or drug addiction is one of the most important health issues in every society, which can lead to physical and mental problems. objectives this study aimed to compare the efficacy of tramadol plus gabapentin versus methadone use in the treatment of opiate withdrawal. patients and methods consenting male subjects who fulfilled the dsm-4 criteria for opiate dependence sy...