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Spontaneous Intramuscular Haematomas: A Single-Centre Retrospective Study and Proposed Management Algorithm
Malin Gunawardena1, Abubaker Elamin2,3
1General Surgery, Università degli Studi di Milano, Milan, ITA.
Cureus
|December 9, 2024
Summary
Spontaneous intramuscular hematomas, often linked to anticoagulants, are effectively managed with non-operative therapy or embolization. Higher platelet counts may protect against bleeding, while males experienced longer hospital stays.
Area of Science:
- Vascular Surgery
- Interventional Radiology
- Emergency Medicine
Background:
- Spontaneous intramuscular hematomas lack known causes, excluding trauma or disease.
- Incidence is rising, partly due to anticoagulant use.
- Optimal management strategies lack high-level evidence.
Purpose of the Study:
- To evaluate treatment outcomes for spontaneous intramuscular hematomas.
- To identify factors influencing patient outcomes and hospital stay.
Main Methods:
- Retrospective analysis of 31 patients diagnosed with spontaneous intramuscular hematoma (2013-2017).
- Data collected included patient characteristics, vitals, labs, imaging, and outcomes.
- Treatment approaches included arterial embolization and non-operative therapy.
Main Results:
- Higher baseline platelet count correlated with protection against hemorrhage.
- Arterial embolization achieved high technical (94%) and clinical (81%) success.
- Non-operative therapy was associated with significantly shorter hospitalizations.
Conclusions:
- Non-operative therapy and embolization are effective for spontaneous hematomas.
- Further multicentric and prospective studies are needed to confirm findings and optimize follow-up.
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