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Supervised Valsalva Maneuver After Burr Hole Evacuation of Chronic Subdural Hematoma: a Prospective Cohort Study

Sae-Yeon WonDaniel DubinskiBedjan BehmaneshJoshua D. BernstockFee KeilThomas Michael FreimanJürgen KonczallaVolker SeifertFlorian Geßler

出版	Elsevier, 2021
URL	http://books.google.com.hk/books?id=uphg0AEACAAJ&hl=&source=gbs_api

註釋Background: Research on chronic subdural hematoma (cSDH) management has primarily focused on potential recurrence after surgical evacuation. Herein, we present a novel postoperative/non-invasive treatment that includes a supervised Valsalva maneuver (SVM), which may serve to reduce SDH recurrence. Accordingly, the aims of the study were to investigate the effects of SVM on SDH recurrence rates and functional outcomes. Methods: A prospective study was conducted from December 2016 until December 2019 at the Goethe University Hospital Frankfurt. Of the 204 adult patients with surgically treated cSDH who had subdural drains placed, 94 patients were assigned to the SVM group and 82 patients were assigned to the control group. The SVM was performed by having patients blow into a self-made SVM device at least two times/h for 12 h/day. The primary end-point was SDH recurrence rate, while secondary outcomes were morbidity and functional outcomes at 3 months of follow-up. Results: SDH recurrence was observed in 16 of 94 patients (17%) in the SVM group, which was a significant reduction as compared with the control group, which had 24 of 82 patients (29.3%; p = 0.05) develop recurrent SDHs. Further, the infection rate (e.g., pneumonia) was significantly lower in the SVM group (1.1%) than in the control group (13.4%; p