scholarly journals Complete Revascularisation in Impella-Supported Infarct-Related Cardiogenic Shock Patients Is Associated With Improved Mortality

2021 ◽  
Vol 8 ◽  
Author(s):  
Andreas Schäfer ◽  
Ralf Westenfeld ◽  
Jan-Thorben Sieweke ◽  
Andreas Zietzer ◽  
Julian Wiora ◽  
...  

Background: Acute myocardial infarction-related cardiogenic shock (AMI-CS) still has high likelihood of in-hospital mortality. The only trial evidence currently available for the intra-aortic balloon pump showed no benefit of its routine use in AMI-CS. While a potential benefit of complete revascularisation has been suggested in urgent revascularisation, the CULPRIT-SHOCK trial demonstrated no benefit of multivessel compared to culprit-lesion only revascularisation in AMI-CS. However, mechanical circulatory support was only used in a minority of patients.Objectives: We hypothesised that more complete revascularisation facilitated by Impella support is related to lower mortality in AMI-CS patients.Methods: We analysed data from 202 consecutive Impella-treated AMI-CS patients at four European high-volume shock centres (age 66 ± 11 years, 83% male). Forty-seven percentage (n = 94) had cardiac arrest before Impella implantation. Revascularisation was categorised as incomplete if residual SYNTAX-score (rS) was >8.Results: Overall 30-day mortality was 47%. Mortality was higher when Impella was implanted post-PCI (Impella-post-PCI: 57%, Impella-pre-PCI: 38%, p = 0.0053) and if revascularisation was incomplete (rS ≤ 8: 37%, rS > 8: 56%, p = 0.0099). Patients with both pre-PCI Impella implantation and complete revascularisation had significantly lower mortality (33%) than those with incomplete revascularisation and implantation post PCI (72%, p < 0.001).Conclusions: Our retrospective analysis suggests that complete revascularisation supported by an Impella microaxial pump implanted prior to PCI is associated with lower mortality than incomplete revascularisation in patients with AMI-CS.

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
O Barthelemy ◽  
S Rouanet ◽  
D Brugier ◽  
N Vignoles ◽  
B Bertin ◽  
...  

Abstract Background Complete revascularization (CR) – assessed by the residual SYNTAX score (rSS) – following PCI is associated with a better prognosis – in stable coronary disease, acute coronary syndrome and myocardial infarction (MI). Whether, the completeness of revascularization impacts the prognosis of patients in cardiogenic shock (CS) remains unclear. Aim Assess the prognosis value of rSS following primary PCI in multivessel patients undergoing MI-related CS. Methods The CULPRIT SHOCK trial – the largest randomized trial (n=706) to date in CS – compared an immediate multivessel PCI (MVPCI) strategy to a culprit lesion only PCI (with possible staged revascularization) strategy in multivessel patients with MI-related CS. The rSS were retrospectively assessed following last PCI (either index or staged) by a central core laboratory and patients were allocated in 4 different groups according to rSS: CR (rSS=0), 0< rSS ≤5, 5< rSS ≤14, rSS >14. The prognostic impact of rSS on the 30-day composite endpoint (mortality and/or severe renal failure) and 30-day and 1-year mortality were assessed using multivariate logistic regression. Results Among the 604 patients with last rSS available, aged 68.2±11.4, the median rSS was 9.0 [4.0–17.0]. CR was achieved in 75 (25%) patients in the MVPCI strategy and in 31 (10.2%) in the culprit lesion only PCI strategy. One hundred and six (17.5%), 102 (16.9%), 198 (32.8%) and 198 (32.8%) patients had a rSS=0, 0< rss ≤5, 5< rSS ≤14 and rSS >14, respectively. Patients with a higher rSS were older, less active smoker, had more triple vessel disease, chronic total occlusion, post-PCI culprit coronary TIMI flow <3 and require more mechanical circulatory support and catecholamine. Univariate analysis shows a stepwise increase in adverse events according to rSS: patients with 5< rss ≤14 and rSS >14 had higher rates of 30-day primary endpoint (OR [95% CI]: 2.02 [1.24; 329] and 2.75 [1.69; 4.49]), 30-day mortality (OR [95% CI]: 2.13 [1.29; 3.51] and 3.14 [1.90; 5.18]) and 1-year mortality (OR [95% CI]: 2.39 [1.46; 3.90] and 3.47 [2.11; 5.71]) compared to patients with CR. After multiple adjustment, rSS – tested as continuous variable – was independently associated with 30-day primary endpoint, 30-day and one-year mortality (Figure) Conclusion Among multivessel patients with MI-related cardiogenic shock, 1) complete revascularization is achieved only in one fourth of the patients using a MVPCI strategy and, 2) the residual SYNTAX score is independently associated with early and late mortality. Acknowledgement/Funding Funded by the European Union 7th Framework Program and others


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
J Haurand ◽  
S Bueter ◽  
C Jung ◽  
M Kelm ◽  
R Westenfeld ◽  
...  

Abstract Background Percutaneous left ventricular assist devices such as the Impella pump, are used to hemodynamically stabilize patients with cardiogenic shock (CS) caused by acute myocardial infarction (AMI) until cardiac function has recovered after revascularization. Whether Impella mechanical circulatory support (MCS) is effective in stabilizing patients with CS not caused by AMI has so far not been thoroughly investigated. Purpose The aim of this study is to analyze whether MCS with Impella is effective to stabilize patients with non-AMI related CS compared to patients with AMI related CS. Method We retrospectively analyzed 106 patients with CS and Impella support in the years from 2011 to 2018. Efficacy to stabilize the patient was assessed by laboratory values such as lactate, hemodynamic parameters and clinical scores. The difference in mortality was calculated with the Log-Rank-Test, comparing Kaplan-Meier curves. Results 36 patients suffered from non-AMI CS and in 70 patients CS was caused by AMI. Regarding the clinical scores and hemodynamic parameters, both groups were severely ill, with no significant difference in APACHE II score, with a mean score of 17.9 in the non-AMI group compared to 20.5 in the AMI-group (p=0.103), the SOFA score (mean score of 6.3 in non-AMI group vs 6.8 in AMI group, p=0.467) and cardiac index (mean CI of 1.9 l/min/m2 in non-AMI group vs 2.2 l/min/m2 in AMI group, p=0.176). There was a comparable mean decrease in lactate levels in both groups 48 hours after initiation of MCS, from initially 4.1 mmol/l to 1.7 mmol/l (p&lt;0.001) in the non-AMI group and from initially 3.6 mmol/l to 2.2 mmol/l (p=0.025) in the AMI group. The non-ACS group exhibited a trend of lower mortality compared to the AMI group, with 47% in the non-AMI group and 57% in the AMI group (p=0.067). In multivariate analysis, age, lactate levels, cardiopulmonary resuscitation, low platelets and higher doses of inotropes and vasopressors were independent predictors for mortality. An upgrade to LVAD was performed for 22% of the non-AMI group and for 6% of the AMI group (p=0.020). Conclusion Impella support is effective to hemodynamically stabilize patients with non-AMI related CS. Therefore, MCS can be used as bridge to recovery or enables further treatment options as upgrade to longterm mechanical support devices. Funding Acknowledgement Type of funding source: None


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