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DOI: 10.1055/s-0031-1280746
© Georg Thieme Verlag Stuttgart · New York
Herzinsuffizienz – Technische Möglichkeiten und Grenzen der mechanischen Kreislaufunterstützung
Technical possibilities and limitations of mechanical circulatory supportPublikationsverlauf
Publikationsdatum:
17. Juni 2011 (online)
Zusammenfassung
Mit Kunstherzsystemen (VAD) können der linke (LVAD), rechte (RVAD) bzw. beide Ventrikel des Herzens (BVAD) unterstützt werden. Traditional werden VAD-Systeme als Überbrückung bis zur Herztransplantation (BTT) implantiert; allerdings steigen in den letzten Jahren die Zahlen der permanenten Kreislaufunterstützung (DT) an. Eine Explantation eines VAD-Systems als „bridge to recovery“ (BTR) kommt nur für wenige Patienten in Fragen. Patientenselektion, prä- und intraoperatives Management sowie der Zeitpunkt der VAD-Implantation bestimmen den Erfolg dieser Therapie.
Abstract
Ventricular assist devices (VAD) to support the left (LVAD), the right (RVAD) or both ventricles (BVAD) have emerged as one standard of care for advanced heart failure patients. Initially used to bridge patients to transplantation (BTT) they are now more frequently implanted as permanent support (destination therapy, DT). Bridge to recovery (BTR) is a valid option for only a small number of patients. Although there are different devices available, patient selection, preoperative and intraoperative management, and the timing of VAD implantation are the elements critical to successful circulatory support.
Schlüsselwörter:
Herzinsuffizienz - LVAD - BVAD - permanente Kreislaufunterstützung - Überbrückung bis Herztransplantation
Keywords:
end-stage heart failure - LVAD - BVAD - destination therapy - bridge to transplantation - bridge to recovery
Kernaussagen
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Mit einem mechanischen Kreislaufunterstützungssystem können Patienten bis zu einer Herztransplantation überbrückt (bridge to transplantation), permanent unterstützt (destination therapy) bzw. bis zu einer Myokarderholung versorgt werden (bridge to recovery).
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Die mechanische Kreislaufunterstützung ist die Therapie der Wahl bei akutem therapierefraktärem Herzversagen sowie (neben der Herztransplantation) bei terminaler Herzinsuffizienz.
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In den letzten Jahren hat der Anteil an BVAD-Implantationen im Vergleich zu LVAD-Implantationen abgenommen und liegt nur noch bei ungefähr 25 %.
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Nach VAD-Implantation ist eine präzise Antikoagulation erforderlich. Diese richtet sich im Wesentlichen am INR aus. Vorzugsweise kommen Coumadin oder Warfarin sowie Thrombozytenaggregationshemmer zur Anwendung.
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Hauptkomplikationen im Langzeitverlauf der VAD-Therapie sind Infektionen ausgehend vom perkutanen Steuerkabel, Thrombembolien und Blutungen.
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Langfristig soll dem Patienten am VAD ein selbstbestimmtes Leben in häuslicher Umgebung, die Möglichkeit der aktiven Freizeitgestaltung undin einzelnen Fällen auch die Integrierung in den Arbeitsprozess ermöglicht werden.
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Der Einsatz von VAD zur permanenten Unterstützung des Kreislaufs nimmt kontinuierlich zu.
Literatur
- 1 Liotta D, Hall CW, Henly WS et al.. Prolonged assisted circulation during and after cardiac or aortic surgery. Prolonged partial left ventricular bypass by means of intracorporal circulation. Am J Cardiol. 1963; 12 399-405
- 2 Cooley DA, Liotta D, Hallman GL et al.. Orthotopic cardiac prosthesis for two-staged cardiac replacement. Am J Cardio. 1969; 24 723-730
- 3 Hetzer R, Weng Y, Potapov EV et al.. First experience with a novel magnetically suspended axial flow left ventricular assist device. Eur J Cardiothoracic Surg. 2004; 25 964-970
- 4 Slaughter MS, Tsus SS, El-Banayosy A et al.. Results of a multicenter clinical trial with the thoratec implantable ventricular assist device. J Thorac Cardiovasc Surg. 2007; 133 1573-1580
- 5 Radovancevic B, Vrtovec B, de Kort E et al.. End-organ function in patients on long-term circulatory support with continuous- or pulsatile-flow assist devices. J Heart Lung Transplant. 2007; 26 815-818
- 6 Kamdar F, Boyle A, Liao K et al.. Effects of centrifugal, axial, and pulsatile left ventricular assist device support on end-organ function in heart failure patients. J Heart Lung Transplant. 2009; 28 352-359
- 7 Kirklin J, Naftel D, Kormos R et al.. Second INTERMACS annual report: More than 1000 primary left ventricular assist device implants. J Heart and Lung Transplant. 2010; 29 1-10
- 8 Kirklin J, Naftel D, Kormos L et al.. Third INTERMACS annual report: The evolution of destination therapy in the United States. J Heart Lung Transplant. 2011; 30 15-23
- 9 Aaronson KD, Eppinger MJ, Dyke DB et al.. Left ventricular assist device therapy improves utilization of donor hearts. J Am Coll Cardiol. 2002; 39 1247-1254
- 10 Rose EA, Gelijns AC, Moskowitz AJ et al.. Long-term mechanical left ventricular assistance for end-stage heart failure. N Engl J Med. 2001; 345 1435-1443
- 11 Dandel M, Weng Y, Siniawski H et al.. Long-term results in patients with idiopathic dilated cardiomyopathy after weaning from left ventricular assist devices. Circulation. 2005; 112 (S 09) 37-45
- 12 Salzberg SP, Lachat ML, von Harbou K et al.. Normalization of high pulmonary vascular resistance with LVAD support in heart transplantation candidates. Eur J Cardiothorac Surg. 2005; 27 222-225
- 13 Potapov EV, Weng Y, Jurmann M et al.. Bridging to transplantability with a ventricular assist device. J Thorac Cardiovasc Surg. 2005; 130 930
- 14 Frazier OH, Myers TJ. Left ventricular assist system as a bridge to myocardial recovery. Ann Thorac Surg. 1999; 68 734-741
- 15 Mancini D, Beniaminovitz A, Levin H et al.. Low incidence of myocardial recovery after left ventricular assist device implantation in patients with chronic heart failure. Circulation. 1998; 98 2383-2389
- 16 Krabatsch T, Schweiger M, Dandel M. Is bridge to recovery more likely with pulsatile LVADs than with non-pulsatile flow systems?. Annals Thorac Surg. [in press] 2011;
- 17 Slaughter MS, Pagani FD, Rogers JG et al.. Clinical management of continuous-flow left ventricular assist devices in advanced heart failure. J Heart Lung Transplant. 2010; 29 (S 04) 1-39
- 18 Kukucka M, Stepanenko A, Potapov E et al.. Right-to-left ventricular end-diastolic diameter ratio and prediction of right ventricular failure with continuous-flow left ventricular assist devices. J Heart Lung Transplant. 2011; 30 64-69
- 19 Dang NC, Topkara VK, Mercando M et al.. Right heart failure after left ventricular assist device implantation in patients with chronic congestive heart failure. J Heart Lung Transplant. 2006; 25 1-6
- 20 Miller LW, Nelson KE, Bostic RR et al.. Hospital costs for left ventricular assist devices for destination therapy: lower costs for implantation in the post-REMATCH era. J Heart Lung Transplant. 2006; 25 778-784
- 21 Fitzpatrick 3rd JR, Frederick JR, Hsu VM et al.. Risk score derived from pre-operative data analysis predicts the need for biventricular mechanical circulatory support. J Heart Lung Transplant. 2008; 27 1286-1292
- 22 Matthews JC, Koelling TM, Pagani FD, Aaronson KD. The right ventricular failure risk score: a pre-operative tool for assessing the risk of right ventricular failure in left ventricular assist device candidates. J Am Coll Cardiol. 2008; 51 2163-2172
- 23 Potapov EV, Stepanenko A, Dandel M et al.. Tricuspid incompetence and geometry of the right ventricle as predictors of right ventricular function after implantation of a left ventricular assist device. J Heart Lung Transplant. 2008; 27 1275-1281
- 24 Puwanant S, Hamilton K, Klodell C et al.. Tricuspid annular motion as a predictor of severe right ventricular failure after left ventricular assist device implantation. J Heart Lung Transplant. 2008; 27 1102-1107
- 25 Drews TN, Loebe M, Jurmann MJ et al.. Outpatients on mechanical circulatory support. Ann Thorac Surg. 2003; 75
- 26 Thompson LO, Noon GP. Combined anti-coagulation protocol for the MicroMed DeBakey VAD: a proposal. J Heart Lung Transplant. 2001; 20 798-802
- 27 Slaughter MS, Rogers JG, Milano CA HeartMate II Investigators et al.. Advanced heart failure treated with continuous-flow left ventricular assist device. N Engl J Med. 2009; 361 2241-2251
- 28 Thoratec Corporation, Ed . HeartMate II® Clinical Outcomes. http://www.thoratec.com/vad-trials-outcomes/clinical-outcomes/hm2-bridge-to-transplant.aspx
- 29 Sheikh FH, Russell SD. HeartMate® II continuous-flow left ventricular assist system. Expert Rev Med Devices. 2011; 8 11-21
- 30 Richenbacher WE, Seemuth SC. Hospital discharge for the ventricular assist device patient: historical perspective and description of a successful program. Asaio J. 2001; 47 590-595
- 31 Morales DL, Catanese KA, Helman DN. Six-year experience of caring for forty-four patients with a left ventricular assist device at home: safe, economical, necessary. J Thorac Cardiovasc Surg. 2000; 119 251-259
- 32 Hetzer R, Krabatsch T, Stepanenko A et al.. Long-term biventricular support with the heartware implantable continuous flow pump. J Heart Lung Transplant. 2010; 29 822-824
- 33 Strueber M, Meyer AL, Malehsa D, Haverich A. Succesful use of the HeartWare HVAD rotary blood pump for biventricular support. J Thorac Cardiovasc Surg. 2010; 140 936-937
- 34 Krabatsch T, Stepanenko A, Schweiger M et al.. Alternative technique for implantation of biventricular support with HeartWare implantable continuous flow pump. ASAIO J. [in press]) 2011;
- 35 Wieselthaler GM, O'Driscoll G, Jansz P et al.. Initial clinical experience with a novel left ventricular assist device with a magnetically levitated rotor in a multi-institutional trial. J Heart Lung Transplant. 2010; 29 1218-1225
- 36 John R, Naka Y, Smedira NG et al.. Outcomes with a continuous flow left ventricular assist device in over 1000 patients in commercial use compared to clinical trial experience. Vortrag auf der 47. Jahrestagung der Society of Thoracic Surgeons in San Diego vom 31.01–. 03; 02 2011
- 37 Stehlik J, Edwards LB, Kucheryavaya AY et al.. The Registry of the International Society for Heart and Lung Transplantation: twenty-seventh official adult heart transplant report – 2010. J Heart Lung Transplant. 2010; 29 1089-1103
Thomas Krabatsch
Martin Schweiger
Alexander Stepanenko
Thorsten Drews
Evgenij Potapov
Juliane Vierecke
Beate Jurmann
Miralem Pasic
Yu-Guo Weng
Michael Huebler
Roland Hetzer