نتایج جستجو برای: failure

تعداد نتایج: 372044  

Journal: :international journal of preventive medicine 0
elaheh malakan rad farahnak assadi

although primary chronic hypertension (htn) is increasingly common in adolescence, secondary forms of htn are more common among children. primary htn is associated with being overweight and/or a positive family history of htn. carotid intima-media thickness, a known risk factor for atherosclerosis is frequent in both adults and children with htn and other associated cardiovascular (cv) risk fac...

Journal: :medical journal of islamic republic of iran 0
mina moradi tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) neda mehrdad elderly health research center, endocrinology and metabolism population sciences institute, tehran university of medical sciences & center for nursing care research, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) soghra nikpour center for nursing care research, school of nursing &midwifery, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) hamid haghani faculty member school of public health, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) maryam aalaa endocrinology and metabolism research center, endocrinology and metabolism clinical sciences institute, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) mahnaz sanjari endocrinology and metabolism research center, endocrinology and metabolism clinical sciences institute. tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

background: sleep disorders are common among patients with chronic heart failure (hf), and it can have a significant effect on patients’ daily activities as well as their health. the purpose of this study was to assess sleep quality and its predictors in iranian patients with chronic hf.   methods : this cross-sectional study was conducted on a sample of 200 patients with hf in two hospitals of...

Journal: :acta medica iranica 0
seyed mansour gatmiri nephrology research center, tehran university of medical sciences, tehran, iran. mitra mahdavi-mazdeh nephrology research center, tehran university of medical sciences, tehran, iran. and iranian tissue bank & research center, tehran university of medical sciences, tehran, iran. mahboob lessan-pezeshki nephrology research center, tehran university of medical sciences, tehran, iran. mohammadreza abbasi nephrology research center, tehran university of medical sciences, tehran, iran.

pruritus is a common and bothersome problem among uremic patients which negatively affects life quality and prognosis of the patient. various factors are known to be involved in the development of pruritus. the aim of this study was to assess the frequency and the factors which may have relationship with uremic pruritus, especially bone mineral metabolism indicators. current cross-sectional stu...

Journal: :the journal of tehran university heart center 0
nazila javadi faculty of nursing and midwifery, tehran university of medical sciences, tehran, iran and social determinants of health research center, guilan university of medical sciences, rasht, iran. azar darvishpour social determinants of health research center, guilan university of medical sciences, rasht, iran and faculty of nursing and midwifery, iran university of medical sciences, tehran, iran. neda mehrdad elderly health research center, endocrinology and metabolism population sciences institute, tehran university of medical sciences, tehran, iran. nasrin mokhtari-lakeh faculty of nursing and midwifery, guilan university of medical sciences, rasht, iran.

background: sleep disorders among heart failure (hf) patients negatively influence the quality of life. awareness of sleep disturbances, as one of the disturbing factors of the quality of life among hf patients, and its related factors would help health care staff to provide more comprehensive care. hence, this study was conducted to determine the quality of sleep and its related factors in hos...

Journal: :the journal of tehran university heart center 0
masoumeh lotfi-tokaldany tehran heart center, tehran university of medical sciences, tehran, iran. zahra savand-roomi tehran heart center, tehran university of medical sciences, tehran, iran. ali kasemisaeid tehran heart center, tehran university of medical sciences, tehran, iran. hakimeh sadeghian tehran heart center, tehran university of medical sciences, tehran, iran.

background: several echocardiographic markers have been introduced to assess the left ventricular (lv) mechanical dyssynchrony. we studied dyssynchrony markers and the latest lv activation site in heart failure patients with and without left bundle branch block (lbbb). methods: conventional echocardiography and tissue velocity imaging were performed for 78 patients (lv ejection fraction ≤ 35%),...

Journal: :journal of computational and applied research in mechanial engineering - jcarme 0
j. amirian department of mechanical engineering, isfahan university of technology, 84156-83111, iran h. safari subsea research and development center, isfahan university of technology, 84156-83111, iran m. shirani subsea research and development center, isfahan university of technology, 84156-83111, iran m. moradi department of mechanical engineering, isfahan university of technology, 84156-83111, iran s. shabani subsea research and development center, isfahan university of technology, 84156-83111, iran

generally, fatigue failure in an element happens at the notch on a surface where the stress level rises because of the stress concentration effect. the present paper investigates the effect of a notch on the fatigue life of the hsla100 (­high strength low alloy) steel which is widely applicable in the marine industry. tensile test was conducted on specimens and mechanical properties were obtain...

Journal: :journal of emergency practice and trauma 0
mahboob pouraghaei emergency department, tabriz university of medical sciences, tabriz, iran behzad mohammadi emergency department, tabriz university of medical sciences, tabriz, iran ali taghizadeh emergency department, tabriz university of medical sciences, tabriz, iran paria habibollahi pharmacology and toxicology department, tabriz university of medical sciences, tabriz, iran payman moharamzadeh emergency department, tabriz university of medical sciences, tabriz, iran

objective: congestive heart failure (chf) has become one of the most important health care problems in western countries. this article focuses on the outpatient diagnosis and management of heart failure. we want to compare the outcome of patients who were treated with high dose diuretics in the emergency department (ed) without admission with patients who were admitted to hospital for standard ...

Journal: :jundishapur journal of natural pharmaceutical products 0
mohammad arefi department of clinical toxicology, school of medicine, baharloo hospital, tehran university of medical sciences, tehran, ir iran hamidreza mohammadi department of clinical toxicology, school of medicine, baharloo hospital, tehran university of medical sciences, tehran, ir iran; pharmacutical science research center, mazandaran university of medical sciences, sari, ir iran; department of toxicology and pharmacology, faculty of pharmacy, mazandaran university of medical sciences, sari, ir iran; department of toxicology and pharmacology, faculty of pharmacy, mazandaran university of medical sciences, sari, ir iran. tel: +98-1513543082, fax: +98-1513543085

introduction acute poisoning by oral ingestion of mixed hazardous materials can lead to multiorgan toxicity and may represent a special challenge in clinical management, in particular if little is known about the effects of the involved agents. this is especially true when industrial chemical substances have been swallowed, as a huge variety of toxic substances must be taken into account. concl...

Journal: :سالمند 0
شیرین حسینی shirin hosseini tehran university of medical sciences.kish,iranدانشگاه علوم پزشکی تهران سید علی کشاورز ali keshavarz tehran university of medical sciences.tehran, iranدانشگاه علوم پزشکی تهران احمد امین ahmad amin department of clinical epidemiology, rajaee cardiovasular, medical & research center.tehran,iranمرکز آموزشی - تحقیقاتی و درمانی قلب و عروق شهید رجایی مجید ملکی majid maleki department of clinical epidemiology, rajaee cardiovasular, medical & research center.tehran,iranمرکز آموزشی - تحقیقاتی و درمانی قلب و عروق شهید رجایی هومن بخشنده آبکنار homan bakhshandeh abkenar department of clinical epidemiology, rajaee cardiovasular, medical & research center.tehran,iranمرکز آموزشی - تحقیقاتی و درمانی قلب و عروق شهید رجایی

objectives: the aim of this study was to assess nutritional status and identify the most significant mna-items (mini nutritional assessment) to accelerate the determination of nutritional risk of heart-failure in elderly patients. methods and materials: the present research was a cross-sectional descriptive analytical survey on hospitalized heart- failure elderly patients (n=225). the sampling ...

Journal: :the journal of tehran university heart center 0
habibollah saadat cardiovascular research center, shaheed beheshti university of medical sciences (sums), tehran, iran roxana sadeghi cardiovascular research center, shaheed beheshti university of medical sciences (sums), tehran, iran mohammad reza motamedi cardiovascular research center, shaheed beheshti university of medical sciences (sums), tehran, iran mohammad hasan namazi cardiovascular research center, shaheed beheshti university of medical sciences (sums), tehran, iran morteza safi cardiovascular research center, shaheed beheshti university of medical sciences (sums), tehran, iran hosein vakili cardiovascular research center, shaheed beheshti university of medical sciences (sums), tehran, iran

the clinical and economic importance of heart failure is widely recognized.   the incidence of heart failure is on the increase, particularly with the aging of the population around the world.   it is time for a paradigm shift in heart failure management. alternative non-pharmacological strategies to remodel the failing ventricle will shape a major portion of heart failure therapy in the decade...

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