The objective of this study is to investigate effects of minimally invasive approaches on outcome of chronic subdural hematoma (CSDH) by novel YL-1 puncture needle and burr-hole methods. A retrospective analysis was performed in 158 hospitalized CSDH patients from January, 2013 to December, 2017 in Kunshan Hospital of Traditional Chinese Medicine. Patients’ gender, age, history of trauma, volume of hematoma, hematoma location, application of urokinase, surgical approach, the operation time, hospitalized time, and CT scans 3 months after discharge were recorded. Prognostic indicators including symptom relief and post-hospital neuro-imaging findings were extracted to evaluate surgical efficacy. Statistical methods were conducted to evaluate surgical efficacy. Both YL-1 puncture needle and burr-hole surgeries had a satisfying follow-up (93.67%). There was non-significant group difference in follow-up results (p > 0.05). While YL-1 needle group needs less operation time ((p < 0.001) and hospitalized time (p < 0.001), gender (p = 0.144), age (p = 0.394), history of head trauma (p = 0.445), volume of hematoma (p = 0.068), hematoma location (p = 0.281), and application of urokinase (p = 0.545) were shown non-significantly associated with these two minimally invasive approaches. Volume of hematoma was significantly associated with follow-up outcomes (p = 0.016). Novel YL-1 puncture needle and classic burr-hole craniotomy are both proved to be safe and effective minimally invasive surgeries, which can provide an early intervention and minimally invasive strategy for neurosurgeons.
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Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of our institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants included in the study.
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