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Risk Factors of Delayed Surgical Intervention after Conservatively Treated Acute Traumatic Subdural Hematoma

  • Kwon, Hyungjoo (Department of Neurosurgery, Hanyang University College of Medicine) ;
  • Choi, Kyu-Sun (Department of Neurosurgery, Hanyang University College of Medicine) ;
  • Yi, Hyeong-Joong (Department of Neurosurgery, Hanyang University College of Medicine) ;
  • Chun, Hyoung-Joon (Department of Neurosurgery, Hanyang University College of Medicine) ;
  • Lee, Young-Jun (Department of Radiology, Hanyang University College of Medicine) ;
  • Kim, Dong-won (Department of Anesthesiology, Hanyang University College of Medicine)
  • 투고 : 2017.06.07
  • 심사 : 2017.08.24
  • 발행 : 2017.11.01

초록

Objective : Acute subdural hematoma (ASDH) is generally considered a condition that should be managed surgically. However, some patients initially receive conservative treatment, a subset of whom require surgical intervention later. This study aimed to evaluate the predictors of delayed surgical intervention in ASDH patients who are initially managed conservatively. Methods : From January 2007 to December 2015, 842 patients diagnosed with ASDH were treated at our institution. Among them, 158 patients with convexity ASDH were initially treated conservatively. Patients were divided into a delayed surgery group and a conservative group. Demographic characteristics, past medication and medical histories, and radiological and laboratory data were collected by retrospective chart review. Independent risk factors were identified with univariate and multivariate analyses. Results : Twenty-eight patients (17.7%) underwent delayed surgical intervention. Their mean age was 69.0 years, and 82.1% were male. Hypertension, diabetes mellitus, and heart disease prevalence and use of anti-platelet agents did not significantly differ from the conservative group. However, age (p=0.024), previous cerebral infarction history (p=0.026), increased maximal hematoma thickness (p<0.001), midline shifting (p=0.001) and accompanying subarachnoid hemorrhage (p=0.022) on initial brain computed tomography (CT) scan, low hemoglobin level (p<0.001), high leukocyte count (p=0.004), and low glucose level (p=0.002) were significantly associated with delayed surgical intervention. In multivariate analysis, increased maximal hematoma thickness (odds ratio [OR]=1.279, 95% confidence interval [CI] 1.075-1.521; p=0.006), low hemoglobin level (OR=0.673, 95% CI 0.467-0.970; p=0.034), and high leukocyte count (OR=1.142, 95% CI 1.024-1.272; p=0.017) were independent risk factors for delayed surgical intervention. Conclusion : Due to the high likelihood of delayed surgical intervention among minimal ASDH patients with a thicker hematoma on initial brain CT, lower hemoglobin level, and higher leukocyte count, these patients should receive more careful observation.

키워드

참고문헌

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  2. Predictive Factors of Poor Prognosis After Surgical Management of Traumatic Acute Subdural Hematomas: A Single-Center Series vol.126, pp.None, 2017, https://doi.org/10.1016/j.wneu.2019.02.194
  3. Reoperations after surgery for acute subdural hematoma: reasons, risk factors, and effects vol.46, pp.2, 2020, https://doi.org/10.1007/s00068-019-01077-6
  4. Neurocritical Management of Traumatic Acute Subdural Hematomas vol.16, pp.2, 2017, https://doi.org/10.13004/kjnt.2020.16.e43
  5. Risk Factors for Progression of Conservatively Managed Acute Traumatic Subdural Hematoma: A Systematic Review and Meta-Analysis vol.146, pp.None, 2017, https://doi.org/10.1016/j.wneu.2020.11.031
  6. Factors Associated with Early versus Delayed Expansion of Acute Subdural Hematomas Initially Managed Conservatively vol.38, pp.7, 2017, https://doi.org/10.1089/neu.2020.7192