Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia · 2025
Does the Superior Septal Approach Increase the Incidence of Postoperative Junctional Rhythm Compared to the Right-Sided Left Atriotomy?: A Comparison in Minimally Invasive Mitral Valve Surgery via Right Mini-Thoracotomy.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Yamazaki Masataka, Matsumoto Yorihiko, Takahashi Tatsuo, Haida Hirofumi, Kimura Naritaka, Hashizume Kenichi, Shimizu Hideyuki
Аннотация
PURPOSE: The superior septal approach offers improved mitral valve exposure compared to the right-sided left atriotomy or transseptal approach. However, the risk of postoperative sinus node dysfunction remains controversial, with limited data in the context of right mini-thoracotomy.
METHODS: This retrospective study included 155 patients (64 women; mean age, 60.8 ± 13.4 years) who underwent mitral valve surgery via right mini-thoracotomy between November 2016 and August 2023. Indications included degenerative mitral regurgitation (94.8%) and mitral stenosis (5.2%). Patients were divided into 2 groups: the conventional minimally invasive mitral valve surgery (CM) group (n = 47), using the right-sided left atriotomy, and the drawer-case technique (DCT) group (n = 108), using the superior septal approach. Demographic, intraoperative, and outcome data were analyzed.
RESULTS: Baseline characteristics were similar between groups. There were no significant differences in valve repair techniques or postoperative echocardiographic findings. Postoperative junctional rhythm occurred in 6 patients (CM group) and 21 patients (DCT group); all patients with preoperative sinus rhythm returned to sinus rhythm postoperatively.
CONCLUSION: The superior septal approach does not increase the risk of persistent junctional rhythm in right mini-thoracotomy and is a safe and effective option for mitral valve surgery.
METHODS: This retrospective study included 155 patients (64 women; mean age, 60.8 ± 13.4 years) who underwent mitral valve surgery via right mini-thoracotomy between November 2016 and August 2023. Indications included degenerative mitral regurgitation (94.8%) and mitral stenosis (5.2%). Patients were divided into 2 groups: the conventional minimally invasive mitral valve surgery (CM) group (n = 47), using the right-sided left atriotomy, and the drawer-case technique (DCT) group (n = 108), using the superior septal approach. Demographic, intraoperative, and outcome data were analyzed.
RESULTS: Baseline characteristics were similar between groups. There were no significant differences in valve repair techniques or postoperative echocardiographic findings. Postoperative junctional rhythm occurred in 6 patients (CM group) and 21 patients (DCT group); all patients with preoperative sinus rhythm returned to sinus rhythm postoperatively.
CONCLUSION: The superior septal approach does not increase the risk of persistent junctional rhythm in right mini-thoracotomy and is a safe and effective option for mitral valve surgery.