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A novel imaging classification system for the neuroendoscopic treatment of chronic subdural hematoma
Ping Song1, Zhiyang Li1, Yuyong Ke2
1Department of Neurosurgery, Renmin Hospital of Wuhan University Wuhan 430060, Hubei Province, China.
Insights
A new imaging classification system aids neuroendoscopic treatment for chronic subdural hematoma (CSDH). This classification guides successful CSDH surgery, improving patient outcomes and reducing recurrence.
Area of Science:
- Neurosurgery
- Radiology
- Medical Imaging
Background:
- Chronic subdural hematoma (CSDH) is a prevalent condition, particularly in older adults, accounting for approximately 10% of all intracranial hematomas.
- The optimal management strategies for CSDH remain subjects of ongoing debate.
- Effective diagnostic and therapeutic approaches are crucial for improving patient prognoses.
Purpose of the Study:
- To evaluate the clinical utility of a novel imaging classification system for neuroendoscopic CSDH treatment.
- To assess the efficacy and safety of neuroendoscopic surgery guided by this new classification.
- To provide a framework for standardized neuroendoscopic intervention in CSDH.
Main Methods:
- A prospective study involving sixty patients undergoing neuroendoscopic CSDH treatment.
- Hematomas were classified into simple (Type I) and complex (Type II) categories based on imaging features.
- Complex hematomas were further subclassified (II-A to II-F) based on specific characteristics like septations, stratification, and bilaterality.
Main Results:
- Neuroendoscopic surgery led to significant improvements in Bender classification and Glasgow Outcome Scale (GOS) scores.
- A notable reduction in hematoma thickness was observed across all CSDH types post-surgery (days 1, 7, 14; P<0.05).
- Postoperative complications included lung infection (17%), pneumocephalus (12%), and seizures (8%); however, no recurrences or additional bleeding were noted.
Conclusions:
- The novel imaging classification system is a valuable tool for guiding successful neuroendoscopic CSDH treatment.
- Neuroendoscopic surgery, when guided by this classification, demonstrates favorable outcomes and a low recurrence rate.
- This classification system enhances the precision and effectiveness of neuroendoscopic interventions for CSDH.
Abstract:
Chronic subdural hematoma (CSDH) is common, especially in patients over 50 years of age, and represents about 10% of all intracranial hematomas. The pathogenesis, diagnosis, and treatment of CSDH are controversial. The purpose of this study was to document the clinical application of a novel imaging classification system for the neuroendoscopic treatment of CSDH. This was a prospective study of sixty patients who underwent neuroendoscopic CSDH treatment beginning in January 2017, with a 6-month follow-up. Hematomas were classified into two types based on imaging features: simple (type I) and complex (type II). Complex type was further subclassified as septated (type II-A), stratified (type II-B), recurrent (type II-C), thin-layer (type II-D), bilateral (type II-E), or mixed (type II-F). Most hematomas were located on the left side. Type II hematomas had fibrous septa and bridging veins in the cavities. Bender classification and Glasgow Outcome Scale (GOS) scores were improved after neuroendoscopic surgery and hematoma thickness was improved significantly in all CSDHs on days 1, 7, and 14 after surgery (all P<0.05). Lung infection, pneumocephalus, and seizures occurred in 17, 12, and 8 patients, respectively. Neither a recurrence of symptoms nor CSDH occurred based on the analysis of images. All patients recovered well and none suffered additional bleeding, recurrence, or intracranial infection. This novel imaging classification for CSDH provides a useful guide for the successful neuroendoscopic treatment of CSDH.

