- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT00586027
Is There a Correlation of Natriuretic Propeptide Type B With an Intraoperative Low Cardiac Output?
Prospective Observational Study in Patients Undergoing Cardiac Surgery: Part 2: Is There a Correlation of Natriuretic Propeptide Type B With an Intraoperative Low Cardiac Output?
Low output syndrome is a common complication in patients undergoing cardiac surgery. Its incidence was reported to be 2 to 6%. Morbidity and mortality of low output syndrome is high and the costs for treating the disease are immense.Natriuretic propeptide Type B (NT-proBNP) is a biological marker for the diagnosis, prognosis and therapy of cardiac failure after cardiac surgery.
Cardiac index and NT-proBNP will be correlated with morbidity and mortality. A critical threshold value for intraoperative cardiac index and NT-proBNP will be calculated.
연구 개요
상태
상세 설명
Low output syndrome is a common complication in patients undergoing cardiac surgery. Its incidence was reported to be 2 to 6% [1]. In patients suffering from low output syndrome cardiac output is severely reduced due to myocardial failure. Among other reasons for myocardial failure, ischemia, insufficient myocardial protection during aortic cross-clamping, and severely reduced ventricular function prior surgery are the most common risk factors for low output syndrome. Low output syndrome is treated with positive inotropic drugs and mechanical assist devices [2]. Morbidity and mortality of low output syndrome is high and the costs for treating the disease are immense.
If cardiac output cannot be increased cardiac failure persist and vital organs are hypoperfused. Critical and prolonged hypoperfusion results in single and multi organ failure. Until today a definite threshold for a critically reduced cardiac output or cardiac index requiring immediate therapy is not completely known. Cardiogenic shock is diagnosed by clinical signs and it is not diagnosed by cardiac output or cardiac index. The critical value for a severely reduces cardiac index was reported to be in a range of 1.75 to 2.5L/min/m² [3-5].
Natriuretic propeptide Type B (NT-proBNP) is a biological marker for the diagnosis, prognosis and therapy of cardiac failure after cardiac surgery [6,7].
The primary objective of this prospective observational study in 150 patients undergoing cardiac surgery with an intraoperative measured cardiac output <2L/min/m² is to monitor NT-proBNP for 7 days. Cardiac index and NT-proBNP will be correlated with morbidity and mortality [8]. A critical threshold value for intraoperative cardiac index and NT-proBNP will be calculated.
연구 유형
등록 (예상)
연락처 및 위치
연구 장소
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Ludwigshafen, 독일, 67063
- Klinikum der Stadt Ludwigshafen, Department of Anesthesiology and Intensive Care Medicine
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
샘플링 방법
연구 인구
설명
Inclusion Criteria:
- Adult patient undergoing cardiac surgery
- Written informed consent
- Cardiac index before cardiopulmonary bypass <2L/min/m²
Exclusion Criteria:
- Missing consent
- Serum creatinine >1.5mg/dL [>123µmol/L]
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 관찰 모델: 케이스 컨트롤
- 시간 관점: 유망한
코호트 및 개입
그룹/코호트 |
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NT-proBNP
150 consecutive patients undergoing cardiac surgery with an intraoperative measured cardiac output <2L/min/m².
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
기간 |
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The primary objective is to monitor NT-proBNP for 7 days in patients with an intraoperative low cardiac output. Cardiac index and NT-proBNP will be correlated with morbidity and mortality.
기간: 90 days
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90 days
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공동 작업자 및 조사자
수사관
- 수석 연구원: Andreas Lehmann, MD, Klinikum der Stadt Ludwigshafen, Departement of Anesthesiology and Intensive Care Medicine
간행물 및 유용한 링크
일반 간행물
- Hausmann H, Potapov EV, Koster A, Krabatsch T, Stein J, Yeter R, Kukucka M, Sodian R, Kuppe H, Hetzer R. Prognosis after the implantation of an intra-aortic balloon pump in cardiac surgery calculated with a new score. Circulation. 2002 Sep 24;106(12 Suppl 1):I203-6.
- Lehmann A, Boldt J. New pharmacologic approaches for the perioperative treatment of ischemic cardiogenic shock. J Cardiothorac Vasc Anesth. 2005 Feb;19(1):97-108. doi: 10.1053/j.jvca.2004.11.020. No abstract available.
- Bohrer H, Schmidt H, Motsch J, Gust R, Bach A, Martin E. Gastric intramucosal pH: a predictor of survival in cardiac surgery patients with low cardiac output? J Cardiothorac Vasc Anesth. 1997 Apr;11(2):184-6. doi: 10.1016/s1053-0770(97)90211-1.
- Hochman JS, Sleeper LA, Webb JG, Sanborn TA, White HD, Talley JD, Buller CE, Jacobs AK, Slater JN, Col J, McKinlay SM, LeJemtel TH. Early revascularization in acute myocardial infarction complicated by cardiogenic shock. SHOCK Investigators. Should We Emergently Revascularize Occluded Coronaries for Cardiogenic Shock. N Engl J Med. 1999 Aug 26;341(9):625-34. doi: 10.1056/NEJM199908263410901.
- Adams HA, Baumann G, Gansslen A, Janssens U, Knoefel W, Koch T, Marx G, Muller-Werdan U, Pape HC, Prange W, Roesner D, Standl T, Teske W, Werner G, Zander R; I.A.G.-Schock. [Definition of shock types]. Anasthesiol Intensivmed Notfallmed Schmerzther. 2001 Nov;36 Suppl 2:S140-3. doi: 10.1055/s-2001-18174. German.
- Cerrahoglu M, Iskesen I, Tekin C, Onur E, Yildirim F, Sirin BH. N-terminal ProBNP levels can predict cardiac failure after cardiac surgery. Circ J. 2007 Jan;71(1):79-83. doi: 10.1253/circj.71.79.
- Provenchere S, Berroeta C, Reynaud C, Baron G, Poirier I, Desmonts JM, Iung B, Dehoux M, Philip I, Benessiano J. Plasma brain natriuretic peptide and cardiac troponin I concentrations after adult cardiac surgery: association with postoperative cardiac dysfunction and 1-year mortality. Crit Care Med. 2006 Apr;34(4):995-1000. doi: 10.1097/01.CCM.0000206110.94385.C4.
- Polonen P, Ruokonen E, Hippelainen M, Poyhonen M, Takala J. A prospective, randomized study of goal-oriented hemodynamic therapy in cardiac surgical patients. Anesth Analg. 2000 May;90(5):1052-9. doi: 10.1097/00000539-200005000-00010.
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (추정)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
기타 연구 ID 번호
- CI/NT-proBNP-12-2007
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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