نتایج جستجو برای: coronary artery bypass risk assessment roc curve

تعداد نتایج: 1783412  

Kianoush Saberi, Mehrdad Salehi, Paniz Mihandoost, Shahnaz Sharifi,

Background: Coronary artery bypass surgery is one of the surgeries in which high blood transfusions are needed. About 20% of all surgical operations require a blood transfusion. Packed cell administration increases perioperative morbidity and mortality. In the United States, from every 1000 people, one has undergone a coronary artery bypass graft surgery, and it is estimated that around 800,000...

2013
L Lisboa O Mejia L Moreira L Dallan PMA Pomerantzeff M Massoti D Vianna F Jatene

Methods One thousand consecutive patients operated on coronary artery bypass grafts or valve surgery, between October 2008 and July 2009, were analyzed. The outcome of interest was in-hospital mortality. Calibration was performed by correlation between observed and expected mortality by Hosmer Lemeshow. Discrimination was calculated by the area under the ROC curve. The performance of the EuroSC...

Journal: :the journal of tehran university heart center 0
kyomars abbasi tehran heart center, medical sciences/university of tehran, tehran, iran. shapour shirani tehran heart center, medical sciences/university of tehran, tehran, iran. mohsen fadaei araghi tehran heart center, medical sciences/university of tehran, tehran, iran. abbasali karimi tehran heart center, medical sciences/university of tehran, tehran, iran. hossein ahmadi tehran heart center, medical sciences/university of tehran, tehran, iran. seyed hesameddin abbasi tehran heart center, medical sciences/university of tehran, tehran, iran.

background: the presence of significant carotid stenosis in coronary artery bypass grafting (cabg) patients increases the risk of either transient ischemic attack or stroke. however, there is a dearth of data on the risk for patients with unilateral total occlusion of the carotid artery. we herein report our results of cardiac surgery in patients with unilateral total occlusion of the carotid a...

Journal: :Heart 2006
A D Grayson R K Moore M Jackson S Rathore S Sastry T P Gray I Schofield A Chauhan F F Ordoubadi B Prendergast R H Stables

OBJECTIVE To develop a multivariate prediction model for major adverse cardiac events (MACE) after percutaneous coronary interventions (PCIs) by using the North West Quality Improvement Programme in Cardiac Interventions (NWQIP) PCI Registry. SETTING All NHS centres undertaking adult PCIs in north west England. METHODS Retrospective analysis of prospectively collected data on 9914 consecuti...

Journal: :razavi international journal of medicine 0
hamidreza karimi-sari students’ research committee, baqiyatallah university of medical sciences, tehran, ir iran; atherosclerosis research center, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran maryam moshkani farahani atherosclerosis research center, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran; atherosclerosis research center, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran. tel/fax: +98-2181264354 vahid talebzadeh students’ research committee, baqiyatallah university of medical sciences, tehran, ir iran hamidreza taghipour trauma research center, faculty of medicine, baqiyatallah university of medical sciences, tehran, ir iran

conclusions our study showed superiority of off-pump cabg regarding lvef, rvef and valves regurgitations. future studies with prospective structure, accurate randomization, longer follow up duration, and larger sample size are needed. results one hundred eighteen patients with the mean age of 59.47 ± 9.68 years were included (81 male and 37 female). on-pump cabg was done on 84 patients and off-...

بردیا ثابت آزاد, , محمد تقی خرسندی, , محمد حسین ماندگار, , محمد علی یوسف نیا, , مسعود متصدی زرندی, , مهناز محمدی, ,

Background: Hearing is one of the most significant senses There fore, any defect can be frightening. The incidence of sever hearing loss following coronary artery bypass surgery has been estimated as one per thousand. This Prospective study carried out to determine hearing effects of coronary artery bypass surgery.Methods: age, audiometric changes before and after surgery (hearing levels at mul...

Journal: :the journal of tehran university heart center 0
masoud tarbiat ekbatan heart hospital, hamedan university of medical sciences, hamedan, iran. gholamreza safarpoor ekbatan heart hospital, hamedan university of medical sciences, hamedan, iran.

iatrogenic coronary artery dissection during coronary angiography with or without rupture is a rare but feared complication . we herein report a case of iatrogenic left main coronary artery dissection in a 49-year-old female. admitted to our hospital with a recent history of severe hypotension, she develpled apnea during angiography. she was intubated  and resuscitated with an epinephrine infus...

Journal: :the journal of tehran university heart center 0
vahid mokhberi department of heart, faculty of medicine, mazandaran university of medical sciences, sari, iran. babak bagheri department of heart, faculty of medicine, mazandaran university of medical sciences, sari, iran. seyfollah navidi department of heart, faculty of medicine, mazandaran university of medical sciences, sari, iran. seyed mohammad amini department of heart, faculty of medicine, mazandaran university of medical sciences, sari, iran.

spontaneous coronary artery dissection (scad) is a rare and important cause of acute coronary syndrome and sudden cardiac death. various etiologies are thought to be responsible for this condition, among which underlying atherosclerosis seems to be the most common. scad is predominant in women and is usually diagnosed via coronary artery angiography. therapeutic interventions include medical th...

Journal: :the journal of tehran university heart center 0
mehrdad sheikhvatan tehran heart center, tehran university of medical sciences, tehran, iran. mostafa nejatian tehran heart center, tehran university of medical sciences, tehran, iran. akram sardari tehran heart center, tehran university of medical sciences, tehran, iran.

background: systolic blood pressure recovery (rsbp) is of prognostic value for predicting the survival and co-morbidity rate in patients with coronary artery disease (cad). this study investigated the association between rsbp and exercise indices after complete cardiac rehabilitation program (cr) in a population-based sample of patients undergoing coronary artery bypass grafting (cabg). methods...

Journal: :acta medica iranica 0
rasoul ibrahim abdulrahman department of cardiac surgery, shahid madani hospital, tabriz university of medical sciences, tabriz, iran. rezayat parvizi department of cardiac surgery, shahid madani hospital, tabriz university of medical sciences, tabriz, iran.

the present study was undertaken to compare the in hospital results of coronary artery bypass graft (cabg) with (on pump) or without (off pump) cardiopulmonary bypass (cpb). data were collected on all first-time isolated cabgs with saphenous vein and/or artery grafts at shahid madani hospital in tabriz-iran, between 2006 and 2009. age and clinical profile were marched between on pump and off pu...

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