• Jennifer J Freeman, Brian K Yorkgitis, Krista Haines, Deepika Koganti, Nimitt Patel, Rebecca Maine, William Chiu, Thai L Tran, John J Como, and George Kasotakis.
• Department of Surgery, TCU School of Medicine, Fort Worth, TX. Electronic address: jennjfreeman@me.com.
• Injury. 2022 Nov 1; 53 (11): 3569-3574.

BackgroundAngioembolization is an important adjunct in the non-operative management of adult trauma patients with splenic injury. Multiple studies have shown that angioembolization may increase the non-operative splenic salvage rate for patients with high-grade splenic injuries. We performed a systematic review and developed evidence-based recommendations regarding the need for post-splenectomy vaccinations after splenic embolization in trauma patients.MethodsA systematic review and meta-analysis of currently available evidence were performed utilizing the Grading of Recommendations Assessment, Development and Evaluation (GRADE) methodology.ResultsNine studies were identified and analyzed. A total of 240 embolization patients were compared to 443 control patients who neither underwent splenectomy nor were embolized. There was no statistical difference between the splenic immune function of embolized and control patients. In addition, a total of 3974 splenectomy patients was compared with 686 embolization patients. Embolization patients had fewer infectious complications and a greater degree of preserved splenic immune function.ConclusionIn adult trauma patients who have undergone splenic angioembolization, we conditionally recommend against routine post-splenectomy vaccinations.Study Typesystematic review/meta-analysis Level of evidence: level III.Copyright © 2022. Published by Elsevier Ltd.

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