血管医学および外科ジャーナル

概要

Successful Management of Refractory Prosthetic Vessel Infection, Prosthetic Valve Endocarditis and Mediastinitis: Report of a Case-Late Timing Caused Repeated Surgery

Takashi Ando, Daichi Akiyama, Hioshi Okada and Makoto Takeda

The patient was diagnosed with anuloaortic ectasia with localized dissection in the right Valsalva sinus. He underwent aortic root replacement with mechanical valve. But, he was re-admitted for mediastinitis. Although his serum (CRP) level was normalized for one month, his body temperature suddenly rose to 40°C. An emergency operation was performed including re-sternotomy, drainage, and irrigation. However, a proximal anastomotic site ruptured and he went into shock. Following cardiopulmonary bypass, we performed a second aortic root replacement. Therefore, the patient was operated for sternum debridement and to wrap the prosthetic vessel into an omental pedicle. Nine days after the last intervention, bleeding from the chest wound suddenly appeared and he went into shock. He was transported to the operating room to initiate cardiopulmonary bypass. During circulatory arrest, laceration was detected at the same annular position. Deep into the left ventricle, we made interrupted sutures in the left cardiac muscle. Next, we implanted a Freestyle aortic root bioprosthesis using the full root technique. After removing all former implants, another prosthetic vessel was anastomosed between the Freestyle conduit and the distal aorta, and wrapped with omental pedicle. After three weeks, his serum CRP level was normal. He remained free of infection for at least three years.