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European Journal of Trauma and Emergency Surgery

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15-01-2022 | Computed Tomography | Original Article

Rectus sheath hematoma: conservative, endovascular or surgical treatment? A single-center artificial neural network analysis

Authors: Cristian A. Angeramo, Patricio Méndez, Eduardo P. Eyheremendy, Francisco Schlottmann

Published in: European Journal of Trauma and Emergency Surgery | Issue 3/2022

Abstract

Purpose

Rectum sheath hematoma (RSH) is a rare and often misdiagnosed disease. We aimed to determine outcomes of patients affected by RSH and identify variables associated with the need of prompt intervention.

Methods

Patients diagnosed with RSH during the period 2012–2020 were retrospectively identified. Demographics, diagnostic, and therapeutic variables were evaluated. RSH was classified with computed tomography (CT) according to the Berna system. An artificial neural network (ANN) model including 12 variables was used to identify patients that might require a prompt endovascular or surgical treatment.

Results

A total of 20 patients were included for analysis; mean age was 69 (35–98) years and 14 (70%) were females. Iatrogenic injury and forceful contraction of the abdominal wall were the leading causes of RSH. Eleven (55%) patients were anticoagulated or antiaggregated. There were 3 (15%) grade 1, 5 (25%) grade 2, and 12 (60%) grade 3 RSH; 6 (30%) were treated conservatively, 10 (50%) with artery embolization, and 4 (20%) with surgery. Overall morbidity was 45% and there was no mortality in the series. According to the ANN, patients at high risk of requiring an invasive treatment were those with active extravasation on CT angiography, Berna grade III, age ≥ 65 years, hemodynamic instability, chronic use of corticosteroids, hematoma volume ≥ 1000 mL, and/or transfusion of ≥ 4 units of red blood cells.

Conclusion

Conservative treatment might be effective in selected patients with RSH. Our artificial neural network analysis might help selecting patients who require endovascular or surgical treatment.

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Title: Rectus sheath hematoma: conservative, endovascular or surgical treatment? A single-center artificial neural network analysis
Authors: Cristian A. Angeramo
Patricio Méndez
Eduardo P. Eyheremendy
Francisco Schlottmann
Publication date: 15-01-2022
Publisher: Springer Berlin Heidelberg
Keywords: Computed Tomography
Computed Tomography
Hematoma
CT Angiography
Published in: European Journal of Trauma and Emergency Surgery / Issue 3/2022
Print ISSN: 1863-9933
Electronic ISSN: 1863-9941
DOI: https://doi.org/10.1007/s00068-021-01854-2

At a glance: The STEP trials

Springer Medicine

Rectus sheath hematoma: conservative, endovascular or surgical treatment? A single-center artificial neural network analysis

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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