Posterior Segment Findings in Patients on Extracorporeal Membrane Oxygenation

Purpose: Extracorporeal membrane oxygenation (ECMO) is an established treatment modality for critically ill patients with cardiopulmonary failure, yet little is known of the ocular pathology in this population. The aim of this study is to characterize the posterior segment findings of ECMO patients....

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Published in:Journal of vitreoretinal diseases (Print) Vol. 4; no. 6; pp. 490 - 493
Main Authors: Blegen, Halward Martin John, Plaster, Andrew Lemuel, Hobbs, Samuel David, Reed, Donovan Stephen, Santamaria, Joseph Anthony, Heath, Zachary George, Nelson, Frederick David, Giles, Gregory Bryant, Drayna, Paul Michael
Format: Journal Article
Language:English
Published: Los Angeles, CA SAGE Publications 01-11-2020
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Summary:Purpose: Extracorporeal membrane oxygenation (ECMO) is an established treatment modality for critically ill patients with cardiopulmonary failure, yet little is known of the ocular pathology in this population. The aim of this study is to characterize the posterior segment findings of ECMO patients. Methods: This study is a retrospective analysis of 20 ECMO patients evaluated by ophthalmology from September 2012 to May 2019 at a level 1 trauma center. Comprehensive examinations assessed for intraocular pathology. Demographic data, exam findings, and mortality were analyzed. Results: The sample size consisted of 20 patients; a majority were male (75%), and mean age was 37.4 years (interquartile range, 26.75-50 years). All patients received ECMO for care of acute respiratory distress syndrome (ARDS). Average duration of ECMO therapy was 9.6 ± 6.5 days. Eleven (55%) patients had acute retinal pathology, including Purtscher-like retinopathy (20%), intraocular hemorrhage (50%), and septic chorioretinitis (bacterial or fungal, 10%). Location of hemorrhage included the retina (40%), vitreous (30%), and optic disc (15%). Sixty percent (n = 12) of patients were unable to provide a subjective history on initial assessment. Ultimately, 5 out of 20 patients (25%) died of systemic illness during their hospital stay. Conclusion: This study demonstrates high rates of retinal pathology, most commonly vitreous and/or retinal hemorrhage alongside a Purtscher-like retinopathy. This is likely secondary to complications of anticoagulation, microthrombi, septicemia, and hemodynamic instability. We found a mortality rate slightly lower than that of prior ECMO studies. Prospective studies with pre-ECMO and post-ECMO fundus photography is warranted for better understanding of these medically complex patients.
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ISSN:2474-1264
2474-1272
DOI:10.1177/2474126420937172