Subarachnoid hemorrhage after resuscitation from out-of-hospital cardiac arrest

Kei Miyata, Takeshi Mikami, Yasufumi Asai, Satoshi Iihoshi, Nobuhiro Mikuni, Eichi Narimatsu
Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association 2014, 23 (3): 446-52

BACKGROUND: This study was undertaken to retrospectively investigate clinical features of subarachnoid hemorrhage (SAH) with cardiopulmonary arrest in patients achieving return of spontaneous circulation (ROSC) in order to explore the possibility of long-term survival.

METHODS: Of 143 SAH patients with cardiopulmonary arrest in our hospital between April 2004 and June 2012, data on 59 (41%) patients who attained ROSC were analyzed to determine the predictive factors for neurologic recovery and outcome. Recovery of brainstem reflexes and improvement of Glasgow Coma Scale (GCS) motor score were noted (postresuscitation neurologic restorative assessment, grade I) in 5, and 2 of these patients survived.

RESULTS: By-grade analysis of patient background characteristics revealed a significantly shorter duration of cardiac arrest (P = .001) and a significantly smaller adrenaline dose (P = .011) for grade I patients. A logistic analysis of 1-week survival data revealed significant differences in duration of cardiac arrest (P = .022) and adrenaline dose (P = .019), with odds ratios of 0.89 and 0.25, respectively. Cox regression analysis of mortality data revealed significant differences in the duration of cardiac arrest (P = .012), adrenaline dose (P < .0001), and location of ROSC (P = .016), with hazard ratios of 1.03, 1.43, and 1.98, respectively.

CONCLUSIONS: Cardiac arrest caused by SAH is a disease state with a grave prognosis, but there is the possibility of a good survival outcome when the administration of a small dose of adrenaline results in the rapid recovery of brainstem reflexes.

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