TY - JOUR T1 - Long-term prognosis of patients with J-wave syndrome JF - Heart JO - Heart SP - 299 LP - 306 DO - 10.1136/heartjnl-2019-315007 VL - 106 IS - 4 AU - Tsukasa Kamakura AU - Tetsuji Shinohara AU - Kenji Yodogawa AU - Nobuyuki Murakoshi AU - Hiroshi Morita AU - Naohiko Takahashi AU - Yasuya Inden AU - Wataru Shimizu AU - Akihiko Nogami AU - Minoru Horie AU - Takeshi Aiba AU - Kengo Kusano Y1 - 2020/02/01 UR - http://heart.bmj.com/content/106/4/299.abstract N2 - Objective Limited data are currently available regarding the long-term prognosis of patients with J-wave syndrome (JWS). The aim of this study was to investigate the long-term prognosis of patients with JWS and identify predictors of the recurrence of ventricular fibrillation (VF).Methods This was a multicentre retrospective study (seven Japanese hospitals) involving 134 patients with JWS (Brugada syndrome (BrS): 85; early repolarisation syndrome (ERS): 49) treated with an implantable cardioverter defibrillator. All patients had a history of VF. All patients with ERS underwent drug provocation testing with standard and high intercostal ECG recordings to rule out BrS. The impact of global J waves (type 1 ECG or anterior J waves and inferolateral J waves in two or more leads) on the prognosis was evaluated.Results During the 91±66 months of the follow-up period, 52 (39%) patients (BrS: 37; ERS: 15) experienced recurrence of VF. Patients with BrS and ERS with global J waves showed a significantly higher incidence of VF recurrence than those without (BrS: log-rank, p=0.014; ERS: log-rank, p=0.0009). The presence of global J waves was a predictor of VF recurrence in patients with JWS (HR: 2.16, 95% CI 1.21 to 3.91, p=0.0095), while previously reported high-risk electrocardiographic parameters (high-amplitude J waves ≥0.2 mV and J waves associated with a horizontal or descending ST segment) were not predictive of VF recurrence.Conclusions This multicentre long-term study showed that the presence of global J waves was associated with a higher incidence of VF recurrence in patients with JWS. ER -