• Li-Han Wang, Zhao-Xia Pu, Min-Jian Kong, Ju-Bo Jiang, Kai-da Ren, Feng Gao, Xin-Ping Lin, Lei Yu, Wei He, Min Yan, Xian-Bao Liu, and Jian-An Wang.
• Cardiovascular Department, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China.
• World J Emerg Med. 2019 Jan 1; 10 (3): 133-137.

BackgroundTransapical off-pump NeoChord procedure is a novel minimally invasive surgical repair of degenerative mitral regurgitation (MR). Here, we report the first four cases of NeoChord procedure in patients with mitral valve prolapse in mainland China.MethodsFour patients, aged 86, 84, 80 and 60 years, with severe MR due to posterior middle scallop prolapse (P2), underwent transapical off-pump artificial chordae implantation on April 9 and 10, 2019. The procedure was performed by left mini-thoracotomy under general anaesthesia and guided by 2D and 3D dimensional transoesophageal echocardiography (TEE).ResultsMitral valve repair via NeoChord procedure was successfully performed with implantation of 3 artificial chordae in the first patient and 3, 2, and 3 artificial chordae in the following patients, respectively. Intraoperative TEE and pre-discharge transthoracic echocardiography (TTE) showed only mild to moderate MR of these four patients and no postoperative complications were noted. There were no changes of TTE finding between one-month follow-up and pre-discharge.ConclusionThe successful NeoChord procedures in four Chinese indicate that the valve repair using the NeoChord system for Chinese population is feasible.

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