{Reference Type}: Journal Article {Title}: Capillary refill time assessment after fluid challenge in patients on venoarterial extracorporeal membrane oxygenation: A retrospective study. {Author}: Hariri G;Luxey X;Wenger S;Dureau P;Hariri S;Charfeddine A;Lebreton G;Djavidi N;Lancelot A;Duceau B;Bouglé A; {Journal}: J Crit Care {Volume}: 82 {Issue}: 0 {Year}: 2024 Aug 9 {Factor}: 4.298 {DOI}: 10.1016/j.jcrc.2024.154770 {Abstract}: BACKGROUND: Monitoring fluid therapy is challenging in patients assisted with Veno-arterial ECMO. The aim of our study was to evaluate the usefulness of capillary refill time to assess the response to fluid challenge in patients assisted with VA-ECMO.
METHODS: Retrospective monocentric study in a cardiac surgery ICU. We assess fluid responsiveness after a fluid challenge in patients on VA-ECMO. We recorded capillary refill time before and after fluid challenge and the evolution of global hemodynamic parameters.
RESULTS: A total of 27 patients were included. The main indications for VA-ECMO were post-cardiotomy cardiogenic shock (44%). Thirteen patients (42%) were responders and 14 non-responders (58%). In the responder group, the index CRT decreased significantly (1.7 [1.5; 2.1] vs. 1.2 [1; 1.3] s; p = 0.01), whereas it remained stable in the non-responder group (1.4 [1.1; 2.5] vs. 1.6 [0.9; 1.9] s; p = 0.22). Diagnosis performance of CRT variation to assess response after fluid challenge shows an AUC of 0.68 (p = 0.10) with a sensitivity of 79% [95% CI, 52-92] and a specificity of 69% [95% CI, 42-87], with a threshold at 23%.
CONCLUSIONS: In patients treated with VA-ECMO index capillary refill time is a reliable tool to assesses fluid responsiveness.
METHODS: Critical care, Cardiac surgery, ECMO.