Posterior restoration procedures and the long-term results in indicated patients with dilated cardiomyopathy †

Interactive Cardiovascular and Thoracic Surgery
Tadashi IsomuraMinoru Yoshida

Abstract

Non-transplant surgery for dilated cardiomyopathy (DCM) has been in the process of development. We performed posterior restoration for dilated akinetic or dyskinetic lesions in patients with DCM and obtained favourable outcomes. The early and long-term results of the procedures are discussed. Between 2005 and 2013, posterior restoration procedures (PRPs) for DCM were electively performed in 58 patients (17 with ischaemic and 41 with non-ischaemic DCM). There were 45 men and 13 women with a mean age of 56 ± 12 years old. The mean preoperative ejection fraction was 24% and the preoperative New York Heart Association functional class was Class III in 24 and Class IV in 34 patients with intravenous inotrope support. Indications for PRPs were determined by using speckle-tracking echocardiography of the posterior region of the left ventricle before surgery (GE ultrasound machine, Vivid 7 or Vivid E9). After cardioplegic arrest, mitral surgery or coronary artery bypass grafting (CABG) was performed and the posterior left ventricular (LV) muscle between bilateral papillary muscles was incised or resected. The LV apex was preserved and cryoablation was applied between the cut edge and the posterior mitral annulus. All patients were foll...Continue Reading

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Citations

Jul 13, 2016·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Friedhelm Beyersdorf
Feb 6, 2017·General Thoracic and Cardiovascular Surgery·Tadashi IsomuraMasahiro Endo

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