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Table 1 The prevalance of cardiac arrest and contributing factors in studies including series of patients with subarachnoid haemorrhage

From: Incidence, predisposing factors, management and survival following cardiac arrest due to subarachnoid haemorrhage: a review of the literature

Study Years Setting Included patients Proportion of SAH patients that had a CA Factors associated with the occurrence of CA Survival of SAH patients with CA Factors associated with survival in those with CA
Wartenberg et al. 1996-2002 Tertiary hospital in the US CT or cerebrospinal fluid analysis 21 (4%) of 546 SAH patients NR NR NR
Toussaint LG et al. 1990-1997 Tertiary hospital All admitted SAH patients 11 (3.6%) out of 305 SAH patients (5 IHCA, 5 OHCA, 1 EMS witnessed) Low GCS, high Hunt Hess grade. aneurysm rupture 6 (55%) out of 11 survived, 3 (27%) with good outcome All survivors had a brief cardiac arrests requiring only defibrillation
Inamasu et al. 2003-2009 Japanese tertiary centre Admitted SAH patients 11% of 315 SAH patients NR 0% survived NR
Vergouwen et al. 2003 to 2008 Registry of the Canadian Stroke Network SAH patients treated at 11 hospitals 64/931 (6.6%) had a cardiac or respiratory arrest NR CA patients had lower survival than those without (odds ratio 7.2 (2.0-25.7) NR