“… 16 , 23 , 31 Some case reports have described that PCI can improve survival and neurological prognosis despite long-term cardiopulmonary resuscitation. 32 , 33 The success rate of PCI in this study was as high as 100%, which further confirms that PCI is effective and feasible in such patients. In this study, all patients who underwent PCI within 6 h of CA survived to discharge, suggesting that early PCI may be more beneficial to survival.…”