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. 2022 Nov;46(11):2284-2292.
doi: 10.1111/aor.14344. Epub 2022 Jul 3.

Acute limb ischemia after femoro-femoral extracorporeal life support implantation: A comparison of surgical, percutaneous, or combined vascular access in 402 patients

Markus J Wilhelm  1 , Devdas Thomas Inderbitzin  1 , Amos Malorgio  1 , Raed Aser  1 , Gökhan Gülmez  1 , Tobias Aigner  1 , Paul Robert Vogt  1 , Diana Reser  1   2
Affiliations

Acute limb ischemia after femoro-femoral extracorporeal life support implantation: A comparison of surgical, percutaneous, or combined vascular access in 402 patients

Markus J Wilhelm et al. Artif Organs. 2022 Nov.

Abstract

Background: Extracorporeal life support (ECLS) is a salvage treatment for acute circulatory failure. Our high-volume tertiary centre performs more than 100 implants annually and provides ECLS-transports. With this study, we aimed to analyze the incidence and risk factors of limb ischemia depending on the vascular access.

Methods: Between January 1, 2007, and December 31, 2018, 937 patients received an ECLS. Preoperative, intraoperative, in-hospital and up to 5 years follow-up data were collected. Outcome measures were limb ischemia and survival.

Results: In total, 402 femoro-femoral veno-arterial ECLS patients were identified. Mean age was 56 ± 16.7 years, 26.9% were female, 7.9% had a history of peripheral vascular disease. Cannulation was performed percutaneously in 82.1% (n = 330), surgically in 5.7% (n = 23) and combined in 12.2% (n = 49). Mortality was not significantly different between the groups (51.1% percutaneous, 43.5% surgical, 44.9% combined [p = 0.89]). There was no significant difference in limb ischemia either, but a trend toward an increased frequency in the percutaneous group (p = 0.0501). No amputation was necessary. Limb ischemia slightly increased in-hospital mortality (54.6%) but did not affect long-term survival beyond 30 days. Univariate analysis adjusted for cannulation methods revealed younger age and female gender as risk factors of limb ischemia and younger age for limb ischemia after percutaneous cannulation.

Conclusions: Our study shows that percutaneous, surgical, and combined vascular access techniques for ECLS implantation are associated with comparable and low incidence of limb ischemia which slightly increases in-hospital mortality. Special precaution has to be taken in young and female patients.

Keywords: ECLS; fasciotomy; femoral cannulation; limb ischemia; vascular complications.

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