1.A Case of Thoracic Endovascular Aortic Repair for Subacute Aortic Dissection Stanford Type B in a Patient with Marfan Syndrome
Shun NAKAJI ; Takashi MIURA ; Ichiro MATSUMARU ; Akihiko TANIGAWA ; Yutaro KAWAGUCHI ; Shunsuke TAGUCHI ; Yugo MURAKAMI ; Kikuko OBASE ; Kiyoyuki EISHI ; Shinichiro TANIGUCHI
Japanese Journal of Cardiovascular Surgery 2022;51(1):48-52
A 41-years-old man with Marfan syndrome developed acute aortic dissection Stanford Type B. A new entry was located at the distal aortic arch. Medical treatment was given for a month, but the proximal descending aorta expanded to 50 mm. Because he had undergone partial arch replacement at the age of 36, thoracic endovascular aortic repair (TEVAR) using the synthetic graft as proximal landing zone was performed to close the entry. Six months after TEVAR, the false lumen around the stent graft disappeared. Distal stent graft-induced new entry (d-SINE) did not occur after TEVAR. Three years after TEVAR, we performed thoracoabdominal aortic replacement because of expansion of the residual false lumen without any complication. Endovascular therapy could be useful option for extensive aortic lesion even in Marfan syndrome.
2.A Case of Mitral Stenosis due to Pannus Formation after Mitral Valve Plasty
Tatsuya MIYANAGA ; Ichiro MATSUMARU ; Shun NAKAJI ; Kazuki HISATOMI ; Yuichi TASAKI ; Akihiko TANIGAWA ; Shunsuke TAGUCHI ; Yutaro RYU ; Yugo MURAKAMI ; Takashi MIURA
Japanese Journal of Cardiovascular Surgery 2024;53(4):203-207
A 73-year-old man had been followed up in our hospital after surgery for mitral regurgitation. At the age of 67, he underwent mitral valve plasty through a right mini-thoracotomy approach for atrial functional mitral regurgitation at our hospital. The mean trans-mitral pressure gradient was 5 mmHg after surgery but no heart failure symptoms were observed. At the age of 72, he began to notice fatigue during exertion. Transthoracic echocardiography revealed that the mitral valve regurgitation was controlled to a trace level, but the mean trans-mitral pressure gradient increased to 10 mmHg. Transesophageal echocardiography and contrast-enhanced cardiac computed tomography revealed the restricted opening of the mitral valve and pannus formation around the prosthetic ring. We thus diagnosed mitral stenosis due to pannus overgrowth. He underwent pannus excision and removal of the artificial ring. Postoperative echocardiography revealed that the mean trans-mitral pressure gradient was reduced to 3 mmHg and no residual mitral regurgitation was observed. He was discharged on postoperative day 11 with no major symptoms. He was in New York Heart Association functional class I at 1 year after the surgery and continues to be an outpatient.