• Yukio Kuniyoshi, Satoshi Yamashiro, Kazufumi Miyagi, Toru Uezu, Katsuya Arakaki, and Kageharu Koja.
• Second Department of Surgery, School of Medicine, Faculty of Medicine, University of Ryukyus, Okinawa, Japan.
• Ann Thorac Cardiovasc Surg. 2004 Jun 1; 10 (3): 160-6.

ObjectiveWe investigated the benefit of diaphragmatic plication for weaning from mechanical ventilation in these adult patients.Patients And MethodsFour patients underwent diaphragmatic plication for difficulty of weaning from mechanical ventilation due to diaphragmatic paralysis. They were all men with an average age of 70.5 +/- 6.3 years. Three of the patients had undergone cardiac surgeries for coronary artery bypass grafting and one patient ascending aortic replacement for pseudoaneurysm after coronary revascularization. Right diaphragmatic plication (muscle sparing procedure) was performed between 30 to 61 days after cardiac surgery.ResultsThe mean forced tidal volume improved dramatically from 216 to 415 ml after plication in all patients, and it was possible to discontinue mechanical ventilation from 2 to 12 days after plication. One patient with obstructive respiratory dysfunction died from aspiration pneumonia 15 days after plication. However, postoperative tidal volume in this patient improved to 420 ml and he was able to be weaned from ventilatory support five days after plication. The other three patients were discharged between 26 to 58 days after plication and continue to do well without symptoms.ConclusionDiaphragmatic plication is a useful procedure for treatment of diaphragmatic paralysis in adults as well in children.

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