Table 1. Summary of studies included in the meta-analysis for study-level data as well as descriptive statistics of the patient-level data.
| First author | Year | Institution | Study period (years) | Type | # of patients on ECLS | VA-ECMO | VV-ECMO | # of patients with HIT |
|---|---|---|---|---|---|---|---|---|
| Glick (12) | 2015 | Columbia University Medical Center, New York, NY, USA | 2011–2013 | Retrospective | 119 | 54 | 65 | 1 |
| Sokolovic (6) | 2016 | Medstar Washington Hospital Center, Washington, DC, USA | 2009–2013 | Retrospective | 96 | 96 | 0 | 8 |
| Laverdure (11) | 2016 | Hôpital Marie Lannelongue, Le Plessis Robinson, France | N/A | Retrospective | 73 | N/A | N/A | 3 |
| Beiderlinden (5) | 2007 | Universität Duisburg-Essen, Germany | 2005–2006 | Retrospective | 9 | 0 | 9 | 3 |
| Hillebrand (7) | 2015 | University Hospital of the Westfaelische Wilhelms-University Muenster, Germany | 2012–2013 | Retrospective | 7 | N/A | N/A | 6 |
| Natt (8) | 2017 | University of Arizona Medical Center, Tucson, AZ, USA | N/A | Case series | 5 | 0 | 5 | 3 |
| Rougé (19) | 2017 | Universite de Grenoble Alpes, Grenoble, France | N/A | Case series | 2 | 1 | 1 | 2 |
| Chen (15) | 2017 | University of Texas Southwestern Medical Center, Dallas, TX, USA | N/A | Case report | 1 | 1 | 0 | 1 |
| Dager (25) | 2004 | University of California Davis, Davis, CA, USA | N/A | Case report | 1 | 0 | 1 | 1 |
| Dolch (24) | 2010 | University Hospital Grosshadern, Munich, Germany | N/A | Case report | 1 | 0 | 1 | 1 |
| Ito (16) | 2017 | Tokyo Metropolitan Tama Medical Center, Fuchu, Japan | N/A | Case report | 1 | 1 | 0 | 1 |
| Koster (21) | 2017 | Ruhr-University Bochum, Germany | N/A | Case report | 1 | 0 | 1 | 1 |
| Koster (18) | 2007 | Deutsches Herzzentrum Berlin, Germany | N/A | Case report | 1 | 1 | 0 | 1 |
| Phillips (9) | 2014 | University of North Carolina, Chapel Hill, NC, USA | N/A | Case report | 1 | 0 | 1 | 1 |
| Ratzlaff (20) | 2016 | Mayo Clinic Florida, Jacksonville, FL, USA | N/A | Case report | 1 | 0 | 1 | 1 |
| Gellatly (10) | 2014 | Alfred Hospital, Melbourne, Australia | N/A | Case report | 1 | 1 | 0 | 1 |
| Sandoval (22) | 2018 | ICCV Hospital Clinic, Barcelona, Spain | N/A | Case report | 1 | 1 | 0 | 1 |
| Sin (17) | 2017 | Massachusetts General Hospital, Boston, MA, USA | N/A | Case report | 1 | 0 | 1 | 1 |
| Welp (23) | 2014 | University Hospital Münster, Germany | N/A | Case report | 1 | 1 | 0 | 1 |
ECLS, extracorporeal life support; ECMO, extracorporeal membrane oxygenation; HIT, heparin-induced thrombocytopenia; N/A, not applicable; VA, veno-arterial; VV, veno-venous.