Impact of neurointensivist-managed intensive care unit implementation on patient outcomes after aneurysmal subarachnoid hemorrhage




The purpose of the study is to evaluate the impact of neurointensivist-managed intensive care unit (NIM-ICU) implementation for patients admitted with aneurysmal subarachnoid hemorrhage (SAH).


This study retrospectively evaluated 234 patients (mean age, 61.7 years; male, 67) admitted with SAH between January 1, 2001, and March 31, 2014. Neurologic outcomes between patients admitted from January 2001 to December 2006 (intensivist-managed intensive care unit group) and January 2007 to March 2014 (NIM-ICU group) were compared. The primary outcome was the incidence of a good neurologic outcome at discharge (GO; the modified Ranking Scale score: GO, 0-2; poor neurological outcome, 3-6) at discharge.


Neurointensivist-managed intensive care unit was initiated for 151 (64.5%) of 234 patients. Univariate analysis demonstrated significantly better outcomes for NIM-ICU group vs intensivist-managed intensive care unit group (GOs, 58.3% vs 41.0%, respectively, P = .01). Multivariate logistic regression was used to evaluate NIM-ICU efficacy for SAH patients, but NIM-ICU was not significantly associated with GOs (P = .054). Subgroup analysis of patient grading by Hunt and Kosnik grades I to II showed that NIM-ICU implementation was an independent predictor of GOs (odds ratio, 4.54; 95% confidence interval, 1.08-22.17; P = .04).


Neurointensivist-managed intensive care unit may improve neurologic outcomes in SAH patients with Hunt and Kosnik grades I to II.


  • Neurocritical care;
  • Hunt and Kosnik grades;
  • Aneurysmal subarachnoid hemorrhage;
  • Modified Ranking Scale;
  • Neurointensivist
Corresponding author at: 1750-1 Ikenobe, Miki, Kita, Kagawa 761-0793, Japan. Tel.: + 81 87 891 2392; fax: + 81 87 891 2393.


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