In critically sick patients, extracorporeal membrane oxygenation (ECMO) is utilized to provide temporary cardiorespiratory assistance; however, less is known about the long-term psychological effects of ECMO in survivors. In order to ascertain the relationship between ECMO survivability and post-discharge mental health diagnoses amongst adult survivors of critical illness, Shannon M. Fernando and colleagues undertook this study.
From April 1, 2010, to March 31, 2020, this population-based retrospective cohort research was conducted in Ontario, Canada. Adult patients with ECMO who were hospitalized to the intensive care unit (ICU) and survived until hospital discharge were included. Following discharge, the main result was a new mental health diagnosis, which included social issues, mood disorders, anxiety disorders, posttraumatic stress disorder, schizophrenia, and other psychotic diseases. There were 8 secondary outcomes, which included the prevalence of drug abuse, intentional self-harm, suicide deaths, and separate elements of the composite primary outcome. Using overlap propensity score-weighted cause-specific proportional hazard models, patients were compared to ICU survivors who did not receive ECMO.
The key findings of this study are:
1. The median follow-up period was 730 days for the 642 survivors who had ECMO whereas it was 1390 days for the 3820 matched ICU survivors who did not.
2. The prevalence of new mental health disorders was 22.1 per 100 person-years among survivors who had ECMO and 14.5 per 100 person-years among ICU survivors who did not get ECMO.
3. After propensity weighting, it was shown that ECMO survivability was strongly linked to a higher probability of receiving a new mental health diagnosis.
4. In terms of substance abuse or willful self-harm, there were no appreciable differences between survivors who received ECMO and ICU survivors who did not.
5. The overall number of suicide deaths in the cohort was less than 5.
Reference:
Fernando, S. M., Scott, M., Talarico, R., Fan, E., McIsaac, D. I., Sood, M. M., Myran, D. T., Herridge, M. S., Needham, D. M., Ferguson, N. D., Combes, A., … Kyeremanteng, K. (2022). Association of Extracorporeal Membrane Oxygenation With New Mental Health Diagnoses in Adult Survivors of Critical Illness. In JAMA. American Medical Association (AMA). https://doi.org/10.1001/jama.2022.17714
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