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Clinical and hemodynamic effects of intra-aortic balloon pump therapy in chronic heart failure patients with cardiogenic shock.

ABSTRACT: BACKGROUND:The role of the intra-aortic balloon pump (IABP) in acute decompensated heart failure (HF) with cardiogenic shock (CS) is largely undefined. In this study we sought to assess the hemodynamic and clinical response to IABP in chronic HF patients with CS and identify predictors of response to this device. METHODS:We retrospectively reviewed all patients undergoing IABP implantation from 2011 to 2016 at our institution to identify chronic HF patients with acute decompensation and CS (cardiac index <2.2 liters/min/m2 and systolic blood pressure <90 mm Hg or need for vasoactive medications to maintain this level). Clinical deterioration on IABP was defined as failure to bridge to either discharge on medical therapy or durable heart replacement therapy (HRT; durable left ventricular assist device or heart transplant) with IABP alone. RESULTS:We identified 132 chronic HF patients with IABP placed after decompensation with hemodynamic evidence of CS. Overall 30-day survival was 84.1%, and 78.0% of patients were successfully bridged to HRT or discharge without need for escalation of device support. The complication rate during IABP support was 2.3%. Multivariable analysis identified ischemic cardiomyopathy (odds ratio [OR] 3.24, 95% confidence interval [CI] 1.16 to 9.06; p = 0.03) and pulmonary artery pulsatility index (PAPi) <2.0 (OR 5.04, 95% CI 1.86 to 13.63; p = 0.001) as predictors of clinical deterioration on IABP. CONCLUSIONS:Overall outcomes with IABP in acute decompensated chronic HF patients are encouraging, and IABP is a reasonable first-line device for chronic HF patients with CS. Baseline right ventricular function, as measured by PAPi, is a major predictor of outcomes with IABP in this population.

SUBMITTER: Fried JA

PROVIDER: S-EPMC6148415 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Clinical and hemodynamic effects of intra-aortic balloon pump therapy in chronic heart failure patients with cardiogenic shock.

Fried Justin A JA Nair Abhinav A Takeda Koji K Clerkin Kevin K Topkara Veli K VK Masoumi Amirali A Yuzefpolskaya Melana M Takayama Hiroo H Naka Yoshifumi Y Burkhoff Daniel D Kirtane Ajay A Karmpaliotis Dimitrios D Moses Jeffrey J Colombo Paolo C PC Garan A Reshad AR

The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation 20180320 11

<h4>Background</h4>The role of the intra-aortic balloon pump (IABP) in acute decompensated heart failure (HF) with cardiogenic shock (CS) is largely undefined. In this study we sought to assess the hemodynamic and clinical response to IABP in chronic HF patients with CS and identify predictors of response to this device.<h4>Methods</h4>We retrospectively reviewed all patients undergoing IABP implantation from 2011 to 2016 at our institution to identify chronic HF patients with acute decompensati ...[more]

PMID: 29678608

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Project description:The aim of this work was to characterize the clinical response and identify predictors of clinical stabilization after intra-aortic balloon counterpulsation (IABP) support in patients with chronic systolic heart failure in cardiogenic shock before implantation of a left ventricular assist device (LVAD).Limited data exist regarding the clinical response to IABP in patients with chronic heart failure in cardiogenic shock.We identified 54 patients supported with IABP before LVAD implantation. Criteria for clinical decompensation after IABP insertion and before LVAD included the need for more advanced temporary support, initiation of mechanical ventilation or dialysis, increase in vasopressors/inotropes, refractory ventricular arrhythmias, or worsening acidosis. The absence of these indicated stabilization.Clinical decompensation after IABP occurred in 23 patients (43%). Both patients who decompensated and those who stabilized had similar hemodynamic improvements after IABP support, but patients who decompensated required more vasopressors/inotropes. Clinical decompensation after IABP was associated with worse outcomes after LVAD implantation, including a 3-fold longer intensive care unit stay and 5-fold longer time on mechanical ventilation (P < .01 for both). Although baseline characteristics were similar between groups, right and left ventricular cardiac power indexes (cardiac power index = cardiac index × mean arterial pressure/451) identified patients who were likely to stabilize (area under the receiver operating characteristic curve = 0.82).Among patients with chronic systolic heart failure who develop cardiogenic shock, more than one-half of patients stabilized with IABP support as a bridge to LVAD. Baseline measures of right and left ventricular cardiac power, reflecting work performed for a given flow and pressure, may allow clinicians to identify patients with sufficient contractile reserve who will be likely to stabilize with an IABP versus those who may need more aggressive ventricular support.

Project description:Thiele H, Zeymer U, Neumann FJ, Ferenc M, Olbrich HG, Hausleiter J, Richardt G, Hennersdorf M, Empen K, Fuernau G, Desch S, Eitel I, Hambrecht R, Fuhrmann J, Böhm M, Ebelt H, Schneider S, Schuler G, Werdan K; IABP-SHOCK II Trial Investigators: Intraaortic balloon support for myocardial infarction with cardiogenic shock. N Engl J Med 2012, 367:1287-1296.In the current international guidelines, intra-aortic balloon pump (IABP) counterpulsation is considered a class I treatment for acute myocardial infarction complicated by cardiogenic shock. However, evidence is based mainly on registry data, and there is a paucity of randomized clinical trials.To test the hypothesis that IABP counterpulsation, as compared with the best available medical therapy alone, results in a reduction in mortality among patients with acute myocardial infarction complicated by cardiogenic shock for whom early revascularization is planned.Randomized, prospective, open-label, multicenter trial.Thirty-seven centers in Germany.All adults had acute myocardial infarction complicated by cardiogenic shock and were expected to undergo early revascularization (by means of percutaneous coronary intervention or bypass surgery).After enrollment, 600 patients were randomly assigned to intra-aortic balloon counterpulsation (IABP group, 301 patients) or no IABP counterpulsation (control group, 299 patients).The primary efficacy endpoint is 30-day all-cause mortality.At 30 days, 119 patients in the IABP group (39.7%) and 123 patients in the control group (41.3%) had died (relative risk with IABP, 0.96; 95% confidence interval, 0.79 to 1.17; P=0.69). There were no significant differences in secondary endpoints or in process-of-care measures, including the time to hemodynamic stabilization, the length of stay in the intensive care unit, serum lactate levels, the dose and duration of catecholamine therapy, and renal function.The use of IABP counterpulsation did not significantly reduce 30-day mortality in patients with acute myocardial infarction complicated by cardiogenic shock for whom an early revascularization strategy was planned.

Dataset Information

Clinical and hemodynamic effects of intra-aortic balloon pump therapy in chronic heart failure patients with cardiogenic shock.

Publications

Clinical and hemodynamic effects of intra-aortic balloon pump therapy in chronic heart failure patients with cardiogenic shock.

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