conclusions tuberculosis was an important cause of cap in our region. hence, it should be considered in all patients admitted with a cap diagnosis. results among 120 patients with cap, the most common etiology was s. pneumoniae (24.4%), followed by mycobacterium tuberculosis (17.5%), s. aureus (6.7%), polymicrobial agents including anaerobes (4.2%), complicated hydatid cyst (2.5%), influenza a ...

background and aims. the clinical management of oral lichen planus poses considerable difficulties to the clinician. in recent years, researchers have focused on the presence of pathogenic microorganisms such as candida albicans in the patients with refractory lichen planus. the aim of the present study was to investigate the prevalence of candida species in the erosive oral lichen planus lesio...

to delineate the incidence , epidemiology, etiology, and prognosis of acute renal failure (arf) and to compaed the findings with international data, we prospectively studied 2360 patients, admitted at shariati hospital during a four months period ending on jan, 6, 1996. one hundred and twenty-four (5.1%) patients meeting arf crieteria were encountered. the most common cause of arf was prerenal ...

 Background: Syncope is a common clinical problem which can be remarkably debilitating and associated with high health care costs. Syncope is a clinical syndrome with many potential causes. The aim of the study was to determine the etiologies of patients with syncope in the emergency department (ED) of a referral and general university hospital.  Methods: One hundred sixty-five consecutive ...

Nail biting (NB) is a common, but unresolved, problem in psychiatry, psychology, medicine and dentistry. While it seems that NB is a simple behavior that can be stopped easily, many of the children with NB have already tried to stop it, but they have not been successful. The frustrations due to failed attempt involve others such as parents and siblings. The present review aims at providing an o...

Evidence suggests that human sperm chromatin anomalies adversely affect reproductive outcomes and infertile men possess substantially amount of sperm with chromatin anomalies than fertile men. Routine semen analysis evaluates parameters such as sperm motility and morphology, but does not examine the nuclear DNA integrity of spermatozoa. It has been suggested that altered nuclear chromatin struc...

objective: the maternal mortality ratio is an important health indicator. we presented the distribution and causes of maternal mortality in islamic republic of iran. materials and methods: after provision of an electronic registry system for date entry, a descriptive-retrospective data collection had been performed for all maternal deaths in march 2009- march 2012. all maternal deaths and their...

conclusions the current study showed that clinicians should consider the many factors associated with the occurrence of odontogenic cysts. objectives the current study aimed to evaluate the frequency of odontogenic cysts and related factors in a selected iranian population. patients and methods the current cross-sectional study was conducted on 312 patients’ recorded data in taleghani hospital,...

background: the termination of pregnancy before 20 th week of gestation is abortion. there is two type of abortion: spontaneous and induce (legal or illegal). the annual number of pregnancy in the world is estimated over 200 million and one third of them is unwanted pregnancy. 95% of unwanted pregnancy is happened in developing country such as iran. in iran, the high prevalence of unwanted preg...

years. however, the nature and initial factors associated with this serious health problem have not been studied yet. methods: to understand this issue, a cross-sectional study was conducted and sixty treatment and nontreatment seekers who met the diagnostic and statistical manual of mental disorders, 4th ed., text revision (dsm.iv-tr) criteria for drug dependence with mean age of 28.7 (± 8.3) ...