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Misumi K, Hagiwara Y, Kimura T, Hifumi T, Inoue A, Sakamoto T, Kuroda Y, Ogura T. Impact of center volume on in-hospital mortality in adult patients with out‑of‑hospital cardiac arrest resuscitated using extracorporeal cardiopulmonary resuscitation: a secondary analysis of the SAVE-J II study. Sci Rep 2024; 14:8309. [PMID: 38594325 PMCID: PMC11003956 DOI: 10.1038/s41598-024-58808-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 04/03/2024] [Indexed: 04/11/2024] Open
Abstract
Recently, patients with out-of-hospital cardiac arrest (OHCA) refractory to conventional resuscitation have started undergoing extracorporeal cardiopulmonary resuscitation (ECPR). However, the mortality rate of these patients remains high. This study aimed to clarify whether a center ECPR volume was associated with the survival rates of adult patients with OHCA resuscitated using ECPR. This was a secondary analysis of a retrospective multicenter registry study, the SAVE-J II study, involving 36 participating institutions in Japan. Centers were divided into three groups according to the tertiles of the annual average number of patients undergoing ECPR: high-volume (≥ 21 sessions per year), medium-volume (11-20 sessions per year), or low-volume (< 11 sessions per year). The primary outcome was survival rate at the time of discharge. Patient characteristics and outcomes were compared among the three groups. Moreover, a multivariable-adjusted logistic regression model was applied to study the impact of center ECPR volume. A total of 1740 patients were included in this study. The center ECPR volume was strongly associated with survival rate at the time of discharge; furthermore, survival rate was best in high-volume compared with medium- and low-volume centers (33.4%, 24.1%, and 26.8%, respectively; P = 0.001). After adjusting for patient characteristics, undergoing ECPR at high-volume centers was associated with an increased likelihood of survival compared to middle- (adjusted odds ratio 0.657; P = 0.003) and low-volume centers (adjusted odds ratio 0.983; P = 0.006). The annual number of ECPR sessions was associated with favorable survival rates and lower complication rates of the ECPR procedure.Clinical trial registration: https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000041577 (unique identifier: UMIN000036490).
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Affiliation(s)
- Kayo Misumi
- Department of Emergency and Critical Care, Saiseikai Utsunomiya Hospital, 911-1, Takebayashi-machi, Utsunomiya, Tochigi, 321-0974, Japan
- Department of Cardiology, Saiseikai Utsunomiya Hospital, Utsunomiya, Japan
| | - Yoshihiro Hagiwara
- Department of Emergency and Critical Care, Saiseikai Utsunomiya Hospital, 911-1, Takebayashi-machi, Utsunomiya, Tochigi, 321-0974, Japan
| | - Takuya Kimura
- Department of Emergency and Critical Care, Saiseikai Utsunomiya Hospital, 911-1, Takebayashi-machi, Utsunomiya, Tochigi, 321-0974, Japan
| | - Toru Hifumi
- Department of Emergency and Critical Care Medicine, St. Luke's International Hospital, Tokyo, Japan
| | - Akihiko Inoue
- Department of Emergency and Critical Care Medicine, Hyogo Emergency Medical Center, Kobe, Japan
| | - Tetsuya Sakamoto
- Department of Emergency Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Yasuhiro Kuroda
- Department of Emergency Medicine, Kagawa University School of Medicine, Kagawa, Japan
| | - Takayuki Ogura
- Department of Emergency and Critical Care, Saiseikai Utsunomiya Hospital, 911-1, Takebayashi-machi, Utsunomiya, Tochigi, 321-0974, Japan.
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