1.Ruptured Coronary Aneurysm with a Congenital Coronary Arteriovenous Fistula
Sachiko Kanki ; Mari Kakita ; Eiki Woo ; Tomoyasu Sasaki ; Masahiro Daimon ; Takahiro Katsumata
Japanese Journal of Cardiovascular Surgery 2015;44(4):198-202
An 83-year-old man was transferred to our hospital with cardiac tamponade and suspected cardiac tumor detected by enhanced CT. Coronary angiography showed a coronary aneurysm of 50 mm ID on the left circumflex artery. An emergency surgery was performed to excise the aneurysm, and a fresh thrombus occupying the efferent artery was observed. Both the afferent and efferent vessels were closed by suture. The patient made an otherwise uneventful recovery. This case featured a fresh red thrombus formed in fistulous outflow of the coronary aneurysm that seemed a direct cause of rupture.
2.Surgical Treatment for Kommerell Diverticulm
Shigetoshi Mieno ; Hideki Ozawa ; Masahiro Daimon ; Tomoyasu Sasaki ; Eiki Woo ; Takahiro Katsumata
Japanese Journal of Cardiovascular Surgery 2011;40(3):144-149
We report 3 surgical cases of aortic graft replacement with reconstruction of an aberrant subclavian artery (ASA) for Kommerell diverticulum (KD) and ASA. Cases 1 and 2 both had a right aortic arch, KD and a left ASA. In these 2 cases, we performed distal aortic arch replacement and in-situ reconstruction of the left ASA via a right thoracotomy. Case 3 had an aortic arch aneurysm, KD and a right ASA. In this patient, we chose median sternotomy and total aortic arch replacement, using 2 pieces of artificial grafts with 1 and 4 branches, respectively. The right ASA was reconstructed by end-to-side anastomosis between the right axillary artery and the side branch of the graft with 1 branch. In all 3 cases, cardiopulmonary bypass and deep hypothermia with a rectal temperature under 18°C were used in aortic graft replacement. In addition to deep hypothermia, either antegrade or retrograde cerebral perfusion was introduced, depending on the surgical situation, to provide additional brain protection. Selective ASA perfusion was performed in all patients during aortic graft replacement. In Case 1, aortic anastomosis was achieved while clamping, and cerebral perfusion was maintained via a cannula for aortic return at the ascending aorta. In Cases 2 and 3, aortic anastomosis was performed under deep hypothermic circulatory arrest, using retrograde and antegrade cerebral perfusion respectively in Cases 2 and 3. The postoperative course was uneventful in all 3 patients.
3.Successful Repair of Tricuspid Valve Endocarditis in a Drug Abuser
Hiroaki Uchida ; Hayato Konishi ; Yoshikazu Motohashi ; Mari Kakita ; Eiki Woo ; Tomoyasu Sasaki ; Shigetoshi Mieno ; Masahiro Daimon ; Hideki Ozawa ; Takahiro Katsumata
Japanese Journal of Cardiovascular Surgery 2013;42(2):120-123
This case report describes a 20-year-old man, who was a drug abuser, and was treated surgically for tricuspid valve endocarditis. He presented with fever, caused by tricuspid valve endocarditis with a lung abscess. Blood culture detected Staphylococcus aureus and cardiac ultrasonography showed tricuspid insufficiency and tricuspid valve vegetation. He was treated with intravenous antibacterial agents, but the inflammation signs did not improve. He had a large number of puncture scars, as a consequence of self-injection of drugs in his lower arm. He underwent tricuspid valve plasty, and recovered successfully. He was discharged 2 weeks after surgery, and we instructed him to return for follow-up examination in our hospital. However, he did not return to our hospital because he was arrested for drug possession. In such cases, it is necessary to consider the operative method relative to reuse of drugs in the postoperative management of medication.
4.Successful Operation for Multiple Giant Aneurysms with Congenital Coronary Artery Fistula in an Adult
Tomoyasu Sasaki ; Shintaro Nemoto ; Eiki Woo ; Kan Hamori ; Masahiro Daimon ; Shigetoshi Mieno ; Hideki Ozawa ; Keiichiro Kondo ; Takahiro Katsumata
Japanese Journal of Cardiovascular Surgery 2008;37(3):164-166
We report a case of successful operation for multiple giant aneurysms with a right coronary artery fistula from the right coronary artery to the left atrium. A 35-years-old woman was found to have a right coronary artery aneurysm with a maximum diameter of 85mm, and two other coronary artery aneurysms with maximum diameters of 40 mm along the coronary fistula, which arose from the proximal right coronary artery, traversed the root of the left atrium, and drained into the left atrium. Surgical treatment was indicated to relieve symptoms and to prevent possible rupture of the aneurysms. She underwent resection of coronary artery aneurysms, closure of orifices of the fistula and coronary bypass grafting to the right coronary artery with cardiopulmonary bypass. Her postoperative course was uneventful, and she was discharged in good condition.
5.Two Cases of Pseudoaneurysms in Multiple Anastomotic Sites Occurring after the Original Bentall and Cabrol Procedure
Tomoyasu Sasaki ; Hayato Konishi ; Yoshikazu Motohashi ; Hiroaki Uchida ; Mari Kakita ; Eiki Woo ; Sachiko Kanki ; Masahiro Daimon ; Hideki Ozawa ; Takahiro Katsumata
Japanese Journal of Cardiovascular Surgery 2012;41(4):188-190
We report two cases of pseudoaneurysms occurring at the anastomotic sites that had to be repaired several times after the original Bentall and Cabrol procedure. Case 1. A 62-year-old man had surgery to repair pseudoaneurysms at the anastomotic sites of the distal ascending aorta and right coronary artery 22 years after undergoing the original Bentall procedure. The anastomosis of the left coronary artery was normal at the time of the operation ; however, he was given a diagnosis of a pseudoaneurysm at the anastomotic site of the left coronary artery 2 years after the operation. Case 2. A 61-year-old man with Marfan syndrome underwent surgery twice to repair pseudoaneurysms at the anastomotic sites of the aortic annulus and the left coronary artery 2 and 11 years, respectively, after the original Cabrol procedure. In addition, 23 years after the Cabrol procedure, he was given a diagnosis of a pseudoaneurysm at the anastomotic site of the distal ascending aorta. Their pseudoaneurysms were successfully treated by the reanastomosis of new grafts. Computed tomography detected no recurrence of the pseudoaneurysm in the follow-up period. However, continual close observation for the recurrence of a pseudoaneurysm in the remaining anastomotic sites is necessary.