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. 2021 Aug;36(8):2743-2750.
doi: 10.1111/jocs.15614. Epub 2021 May 16.

Importance of pulse pressure after extracorporeal cardiopulmonary resuscitation

Seok In Lee  1 , Yong Su Lim  2 , Chul-Hyun Park  1 , Woo Sung Choi  2 , Chang Hyu Choi  1
Affiliations

Importance of pulse pressure after extracorporeal cardiopulmonary resuscitation

Seok In Lee et al. J Card Surg. 2021 Aug.

Abstract

Background: Recent reports have revealed better clinical outcomes for extracorporeal cardiopulmonary resuscitation (ECPR) than conventional cardiopulmonary resuscitation (CPR). In this retrospective study, we attempted to identify predictors associated with successful weaning off extracorporeal membrane oxygenation (ECMO) support after ECPR.

Methods: The demographic and clinical data of 30 ECPR patients aged over 18 years treated between August 2016 and January 2019 were analyzed. All clinical data were retrospectively collected. The primary endpoint was successful weaning off ECMO support after ECPR. Patients were divided into two groups based on successful or unsuccessful weaning off ECMO support (Weaned (n = 14) vs. Failed (n = 16)).

Results: Univariate logistic regression analysis showed that age, CPR duration, ECMO complications, and loss of pulse pressure significantly predicted the results of weaning off ECMO support. However, multivariate logistic regression analysis showed that only CPR duration and loss of pulse pressure independently predicted unsuccessful weaning from ECMO support.

Conclusion: We conclude that long CPR duration and loss of pulse pressure after ECPR predict unsuccessful weaning from ECMO. However, unlike CPR duration, loss of pulse pressure during post-ECPR was related to subsequent management. In patients with reduced pulse pressure after ECPR, careful management is warranted because this reduction is closely associated with unsuccessful weaning off ECMO support after ECPR.

Keywords: extracorporeal cardiopulmonary resuscitation; outcomes; prognostic factor; pulse pressure.

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References

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