an elevated pulmonary artery pressure (pap) from any cause is associated with increased mortality, especially in cases of primary pulmonary arterial hypertension (pah). one of the many reasons behind a bad prognosis is the inherent difficulty in assessing right ventricular (rv) function with reproducible methods. intensive research involving the left heart has made it relatively easy to assess ...

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pulmonary arterial hypertension (pah) is a progressive disease with high morbidity and mortality rates. research has shown that pah has a prevalence rate of 10-79% in thalassemia major patients. this cross-sectional study was carried out in 2014 to determine the prevalence and risk factors of pah in all thalassemia major patients of over 18 years of age in ilam, iran. a cardiologist measured sy...

introduction: different vasoactive factors can modulate cardiovascular adaptation to hemorrhagic shock including nitric oxide (no). in this study we investigated the effect of  the no synthase inhibitor for treatment of  decompensated hemorrhagic shock in normotensive and hypertensive rats. methods: twenty‑four male wistar rats were divided into two groups: the normotensive and hypertensive gro...

hypertension after pediatric renal transplant is a common and important risk factor for graft loss and patient survival. the mechanism of post kidney transplant hypertension is complex and multifactorial. control of blood pressure in renal transplant patients is important but often times blood pressures remain uncontrolled. the management of hypertension and obesity in pediatric kidney transpla...

introduction: noise, as the most common pollutant in the industrial environment, can lead to hearing loss and negatively affect other organs such as the cardiovascular system. cigarette smoking is a popular habit among some workers, and can also have a negative effect on the cardiovascular system. this study aimed to investigate the effect of simultaneous exposure to noise and cigarette smoke o...

background all conditions that interfere with blood flow at any level within the portal system can lead to portal hypertension. for better management of this disorder, it is important to determine the underlying cause. in previ­ous studies, extra-hepatic disorders have been reported as the main cause of portal hypertension in children. in this study, we investigate the under­lying causes of por...

background hypertension is considered as a major health problem in our society. the association between educational level with hypertension and its control in the golestan province (northern iran) were the main objectives of this study.methods: this was a population-based cross-sectional study that enrolled 3497 subjects aged 15-65 years using stratified and cluster sampling. the interviewers r...

background: high maternal hemoglobin (hb) concentration was considered a risk factor for the developing of pregnancy hypertension. the purpose of this study was to determine whether high maternal hb concentration in first trimesters associated with pregnancy induced hypertension in iranian nulliparous women. methods: this study was carried out in teaching hospital in sari, iran. samples were ob...