The overall 12-month survival rate was 2.6% (7/268). The overall 3-month survival rate was 5.6% (15/268). In total, 268 patients were analyzed, including 26 patients in the 20–64 age group, 33 patients in the 65–74 age group, 70 patients in the 75–84 age group, and 139 patients in the ≥85 age group. Descriptive statistics are presented and compared among age groups (20–64 years, 65–74 years, 75–84 years, 85 years and older), and survival time analysis (Kaplan-Meier method) was performed. The primary outcome was death, and the secondary outcomes were the rates of survival at 3-months and independence on devices. Patients were excluded if they were less than 20 years old, had an upper airway tumor, received ventilation assistance, or received enteral nutrition in the month prior to cardiac arrest. We selected patients with choking-induced cardiac arrest who received cardiopulmonary resuscitation in the hospital. We analyzed data from the Shizuoka Kokuho Database, which consists of claims data of approximately 2.2 million people, from April 2012 to September 2018. The aim of this study was to reveal the rates of survival and dependence on devices in the long term after choking-induced cardiac arrest. However, few studies have examined the prognosis of choking-induced cardiac arrest.
The risk of choking increases with aging, and the number of cases of choking-induced cardiac arrest is increasing.
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