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Updated: Jul 5, 2026
09:14
Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
Published on: June 18, 2021
Chronic subdural hematoma preceded by traumatic subdural hygroma
Seong-Hyun Park1, Sun-Ho Lee, Jaechan Park
1Department of Neurosurgery, Kyungpook National University Hospital 50, Samduk-2-ga, Jung-gu, Daegu, 700-721, South Korea. nsdoctor@naver.com
Summary
Patients with traumatic subdural hygroma (SDG) may develop chronic subdural hematoma (CSDH). This study investigated the link, finding a cycle of bleeding and clotting contributes to CSDH development from SDG.
Area of Science:
- Neurosurgery
- Neurology
- Radiology
Background:
- Traumatic subdural hygroma (SDG) is a known risk factor for developing chronic subdural hematoma (CSDH).
- The precise mechanisms linking SDG to CSDH remain incompletely understood.
- Understanding this progression is crucial for managing head injury patients.
Purpose of the Study:
- To investigate the clinical features and pathogenesis of CSDH.
- To explore the relationship between CSDH and preceding SDG.
- To elucidate the natural history and developmental pathways of CSDH following SDG.
Main Methods:
- Literature review of pertinent studies.
- Retrospective analysis of 24 patients with CSDH following traumatic SDG (2001-2005).
- Clinical data and CT scan findings were examined.
Main Results:
- Headache was the most frequent initial symptom; mean Glasgow Coma Scale score was 14.1.
- CT scans showed increased SDG volume in 17 patients and increased density/volume in five.
- The average interval between SDG and CSDH was 57.6 days; 13 patients developed new symptoms like headache and hemiparesis.
Conclusions:
- A cycle involving persistent SDG, rebleeding, coagulation, and fibrinolysis contributes to CSDH development.
- Close follow-up of head injury patients with SDG is essential.
- The potential for CSDH development should be considered in these patients.
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