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Trial NCT00000604

Resource URI: http://static.linkedct.org/resource/trials/NCT00000604
PropertyValue
linkedct:brief_title Influence of CPB Temperature on CABG Morbidity
linkedct:condition <http://static.linkedct.org/resource/condition/2312>
linkedct:condition <http://static.linkedct.org/resource/condition/3388>
linkedct:condition <http://static.linkedct.org/resource/condition/5702>
linkedct:condition <http://static.linkedct.org/resource/condition/8489>
linkedct:condition <http://static.linkedct.org/resource/condition/8783>
linkedct:criteria Patients, referred for elective or urgent coronary revascularization, not having ongoing angina instability, requiring three or more bypass grafts, and under 70 years of age.
linkedct:description BACKGROUND: A pilot study of warm versus cold perfusion and preservation was completed in 32 patients prior to the ongoing study. The findings of the pilot study showed 53 percent of patients had evidence of new neurologic disturbance at postoperative day four. Only the neurologic dysfunction could be correlated with warm versus cold perfusion (37.5 percent warm versus 75 percent cold, P less than 0.05). The changes in neurologic function had abated or clearly improved by one month of follow-up, and the distinction in neurologic dysfunction grading was no longer apparent between the two groups. DESIGN NARRATIVE: Patients were randomly assigned to cold, tepid, or warm blood cardioplegia, coinciding with normothermic, tepid, and hypothermic cardiopulmonary bypass. All patients received a standard anesthetic protocol combining narcotic and inhalational anesthesia. Each patient entering the study had extensive clinical data collected prospectively incorporating most aspects of measurable determinants related to myocardial preservation. Additionally, neurologic tests were performed by a blinded neurologist and rated by an objective scoring system, the Mathew scale. The studies were performed preoperatively, on the third or fourth postoperative day, and at one month following surgery. Hematologic data were measured for fibrinolytic potential.
linkedct:download_date Information obtained from ClinicalTrials.gov on December 30, 2009
linkedct:eligibility_gender Both
linkedct:eligibility_healthy_volunteers No
linkedct:eligibility_maximum_age 70 Years
linkedct:eligibility_minimum_age 18 Years
linkedct:end_date December 1996
linkedct:enrollment 0 (xsd:int)
linkedct:firstreceived_date October 27, 1999
linkedct:id NCT00000604
rdfs:label Trial NCT00000604
linkedct:lastchanged_date June 23, 2005
linkedct:lead_sponsor_agency National Heart, Lung, and Blood Institute (NHLBI)
linkedct:nct_id NCT00000604
linkedct:number_of_arms 0 (xsd:int)
linkedct:number_of_groups 0 (xsd:int)
linkedct:org_study_id 108
linkedct:overall_status Completed
linkedct:oversight <http://static.linkedct.org/resource/oversight/2918>
foaf:page <http://clinicaltrials.gov/show/NCT00000604>
linkedct:phase Phase 2
linkedct:reference <http://static.linkedct.org/resource/reference/45214>
linkedct:reference <http://static.linkedct.org/resource/reference/51355>
linkedct:source National Heart, Lung, and Blood Institute (NHLBI)
linkedct:start_date January 1994
linkedct:study_design Treatment, Randomized
linkedct:study_type Interventional
linkedct:summary To compare three accepted modes of myocardial preservation, warm, tepid, and cold blood cardioplegia, coinciding with normothermic (37 degrees centigrade), tepid (32 degrees centigrade) and hypothermic (8 to 10 degrees centigrade) cardiopulmonary bypass (CPB) to define differences in neurologic function in coronary artery bypass graft (CABG) patients.
rdf:type linkedct:trials
linkedct:verification_date May 2002