• Journal of Chest Surgery
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• 제34권7호
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• pp.557-558
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• 2001

순턴향대학 턴안병원 흥부외과에서는 Stan$\ulcorner$old type A급성 대동맥 박리증, 대동맥 근부 동맥류 및 대동맥 폐쇄부전을 보인 45세 말판 증후군 환자에게 24m Hemashield 도관을 이용하여 Yacoub-David 수술법에 의한 대동맥 근부 개형술(aortic root remodeling procedure)을 시행하였다 수술은 환자의 대동맥 판막을 보존하면서 대동맥등을 포함한 대동맥 근부의 질병조직을 모두 제거한 후, 글이 발살바동 모양으로 3등분된 인조혈관으로 대동맥등으로부터 상행 대동맥가지 대치하는 방법으로 하였다. 환자는 수술 후 양호한 회복을 보였고 대 동맥 판막의 역류는 완전히 교정되었다.

• Journal of Chest Surgery
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• 제33권1호
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• pp.32-37
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• 2000

Background: Reconstruction surgery of mitral valve regurgitation is now considered as an effective operative technique and has shown good long-term results. Although reconstructive surgery of mitral valve has been performed since 1970s, we have started only in early 1990s in full scale because of small number of the mitral regurgitation compared to mitral stenosis and lack of knowledge from the viewpoint of patients and physicians. Material and Method: From January 1992 to December 1996, 100 patients underwent repair of the mitral valve for mitral regurgitation with or without mitral stenosis in Seoul National University Hospital. 45(45%) of the patients were men and 55(55%) were women. The mean age was 39.9$\pm$14.4 years. The causes of the mitral regurgitation were rheumatic in 61, degenerative in 28 and others in 11. According to the Carpentier's pathological classification of mitral regurgitation 5 patients were type I. 55 patients were type II and 40 patients were type III. 7 patients underwent concomitant aortic valvuloplasty and 8 patients underwent aortic valve replacement. 7 patients underwent Maze operation or pulmonary vein isolation. Result: There were no operative death but 3 major operative complications: 2patients were postoperative low cardiac output syndrome(needed intra-aortic ballon pump support) and 1 patient was postoperative bleeding. There was one late death(1.0%) The cause of death was sepsis secondary to acute bacterial endocarditis. 3 patients required reoperation for recurred mitral regurgitation. There were no statistically significant risk factors for reoperation. The other 96 patients showed no or mild degree of mitral regurgitation 99 survivors were in NYHA functional class I or II. There were two throumboembolisms but no anticoagulation-related complications. Conclusion: We concluded that mitral valve repair could be performed successfully in most cases of mitral regurgitation even in the rheumatic and combined lesions with very low operative mortality and morbidity. The early results are very promising.

• Journal of Chest Surgery
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• 제24권11호
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• pp.1133-1137
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• 1991

Congenital coronary arteriovenous fistula is relatively uncommon and often associated with additional congenital and acquired heart disease. If coronary arteriovenous fistula is suspected, the diagnosis can be made readily by cardiac catheterization and selective coronary arteriography. Surgical treatment is very satisfactory, with a low mortality and apparent good long term result. Recently, we experienced one case of congenital coronary arteriovenous fistula which was associated with aortic stenosis and regurgitation. The tortuous fistula tract was noted between the left anterior descending coronary artery and the main pulmonary artery. Under the cardiopulmonary bypass, aortic valve replacement[Carbomedics 23mm] and suture closure of the draining orifice of coronary arteriovenous fistula in the main pulmonary artery just above the pulmonary valve were performed, Postoperative hospital course was uneventful and the patient was discharged postoperative 9th day without any problems.

• Journal of Chest Surgery
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• 제18권1호
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• pp.62-68
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• 1985

10 patients with mitral regurgitation associated with various congenital cardiac anomalies were treated by reconstructive techniques in the Department of Thoracic and Cardiovascular Surgery, Hanyang University Hospital during the period of 2 years from 1982 to 1984. There were mitral valvular cleft in one case, chordae tendineae rupture associated with congenital multiple cardiac-anomalies [VSD, PDA, prolapse of aortic non-coronary cusp through VSD] in one case, elongated chordae tendineae after removal of left atrial myxoma in one case, and mitral annular dilatation associated with VSD in 3 cases, large PDA in 2 cases, aortic regurgitation [bicuspid valve] in one case, and unknown origin in one case. Owing to the various pathology above mentioned, reconstructive surgical approach to mitral incompetence is accordingly complicated and a combination of the following different procedures were properly used case by case, that is, suture of chordae tendineae, shortening of elongated chordae tendineae, closure of VSD, ligation of PDA, aortic valvuloplasty, mitral annuloplasty with mattress suture, etc. All patients were survived and they have been excellent postoperative results.

• Journal of Chest Surgery
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• 제20권4호
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• pp.803-808
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• 1987

Two young male patients were operated on for the Marfan syndrome complicating ascending aortic aneurysm and a moderate degree of aortic regurgitation. We replaced the ascending aorta and aortic valve with Bjork-Shiley aortic valve composite graft and implanted the coronary ostia in the sides of the graft directly. Postoperatively, the atrial fibrillation occurred in one case and the other had uneventful course. They showed improvement in activity at follow-up.

• 한국임상수의학회지
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• 제35권1호
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• pp.10-12
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• 2018

Mitral regurgitation is the most frequent cause of cardiac disability and death in dogs. A wide range of medical and surgical treatments have been used for mitral regurgitation. Surgical treatments for complete correction of mitral regurgitation include valve repair and valve replacement, which have the advantages of eliminating or correcting the primary cause. Surgical treatments approach the mitral valve via right- or left-side thoracotomy. Aortic root exposure is needed for cardiopulmonary bypass. To compare right-side and left-side approaches, 10 dog cadavers were used in this study. Subsequently, the left-side surgical approach was used in vivo and in conjunction with cardiopulmonary bypass and cardioplegic arrest. Based on the results, and considering ease of access to the aortic root, valve incision site, and visualization of the surgical field, a left-side approach is recommended.

• Journal of Chest Surgery
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• 제21권3호
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• pp.488-496
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• 1988

Thirty-seven patients of aortic aneurysm underwent operations during January 1984 December 1987 at our hospital. Twenty-six patients had aneurysms involving ascending aorta, three patients had aneurysms involving both ascending aorta and abdominal aorta. and eleven patients had aneurysms involving descending thoracic or abdominal aorta. Among the patients who had aneurysms involving ascending aorta, annuloaortic ectasia with aortic regurgitation were thirteen and all of these underwent ascending aorta graft replacement + AVR with composite graft. The patients who had aortic regurgitation due to ascending aortic dissection were three and all of these underwent intraluminal ringed graft insertion at ascending aorta + aortic valve resuspension. Intraluminal ringed graft insertion was safe, simple, and fast method in the operation for aortic aneurysm. Eleven patients were underwent this operation and the results were good. Major causes of death of the patients who underwent aortic aneurysm operation are underlying cardiovascular diseases or delayed rupture of the aneurysm or complications related newly appeared aneurysm. Among our patients, dissection progressions were appeared in two but neither severe nor complicated. And no patient died from delayed rupture of aneurysm or complications related newly appeared aneurysm. All patients were followed up via OPD and were controlled hypertension or heart failure if present. Operative mortality is 18.9\ulcornera in all, 23% in patients who had aneurysms involving ascending aorta and 7.6` who had aneurysms involving descending thoracic or abdominal aorta. Comparing with other reports, our operative mortality is still high but improved steadily. So we recommend aggressive surgical management of the aortic aneurysm.

• Journal of Chest Surgery
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• 제28권7호
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• pp.704-707
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• 1995

The use of the patient`s pulmonary valve for replacement of the patient`s diseased aortic valve was introduced and developed by Mr. Donald Ross. The long term benefits of having a normal, fully viable, trileaflet semilunar valve in aortic position was demonstrated. A 38 year old male had histories of failures of previously implanted aortic prosthetic valves twice and evidence of progressive heart failure. At operation, aortic root abscess was found; the abscess extension to adjacent structures and partial valve dehiscence had occurred. The patient underwent replacement of the aortic root with autologous pulmonary valve, autologous pericardial patch repair of left ventricuar outflow tract and recontruction of the right ventricular outflow tract and pulmonary artery with prosthetic valved conduit. Postoperatively, the patient recovered well. Postoperative doppler echocardiography demonstrated minimal central regurgitation in new aortic valve. Aortic root replacement with pulmonary autograft in a patient of recurrent aortic root abscess and false aneurysm of left ventricuar outflow tract was experienced and reported with follow up echocardiography.

• 한국임상수의학회지
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• 제35권1호
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• pp.26-29
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• 2018

A 6-month-old, female poodle presented with a three-month history of persistent regurgitation immediately after eating. On physical examination, the patient was emaciated and dehydrated. Thoracic radiography showed ventral displacement of the trachea and increased radiopacity in the mediastinum, cranial to the heart base. A severely dilated esophagus was identified cranial to the heart on esophagram. Computed tomography (CT) revealed the esophagus was filled with gas, fluid and a little of contrast and dilated from caudo-cervical to cranio-thoracic part. The esophageal diameter was markedly decreased at the heart base. In addition, the trachea was displaced to the left-ventral side of the right aortic trunk and an aberrant left subclavian artery originating from the aorta was identified. There was no evidence of abdominal vascular anomaly. Based on diagnostic imaging, persistent right aortic arch (PRAA) with an aberrant left subclavian artery was diagnosed. The patient did not undergo surgery and died at 15 days after diagnosis. This report describes imaging diagnosis, including CT and radiography in a weaned dog with regurgitation due to esophageal obstruction by PRAA. When PRAA is suspected and conventional radiography or contrast study is insufficient for diagnosis, CT may be helpful for diagnosing PRAA.

• Journal of Chest Surgery
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• 제40권11호
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• pp.727-732
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• 2007

서론: 대동맥 판막 치환술 또는 벤탈수술 대상이 되는 환자들에서 다양한 정도의 승모판막 폐쇄부전이 동반될 수 있다. 대동맥 판막질환과 동반된 승모판막 폐쇄부전의 교정여부를 결정하기 위해서는 폐쇄부전의 원인과 정도, 추가 수술의 위험성을 고려해야 한다. 최근에는 수술시간과 심장 절개를 최소화하는 대동맥 근부를 통한 다양한 승모판막 수술이 시도되고 있다. 본원에서는 대동맥 판막 치환술 또는 벤탈 수술과 함께 기질적 변화가 심하지 않은 승모판막 폐쇄부전증에 대해 효과적인 대동맥 근부를 통한 승모판막 교련 성형술을 시행하였기에 보고한다. 대상 및 방법: 2002년 6월부터 2005년 6월까지 20명의 환자에서 대동맥 판막 치환술(14명), 벤탈(Bentall) 수술(6명)과 함께 대동맥을 통한 승모판막 교련 성형술을 시행하였다. 모든 환자에서 승모판막은 기질적 변화가 심하지 않은 중등도(grade 2) 이하의 부전증을 보였다. 술 전 승모판막 폐쇄부전의 진단은 경흉부 심초음파와 수술 중 경 식도 심초음파로 확진하였으며 수술 후 경흉부 심초음파로 추적 관찰하였다. 모든 환자에서 대동맥판막엽을 제거한 후 대동맥 근부를 통해 한 번의 매트리스 봉합으로 승모판막 교련 성형술을 시행하였다. 결과: 환자들의 평균 나이는 56.2세였고 65% (13명)가 남자였다. 수술 전 승모판막 폐쇄부전 정도는 경도(mild, 1)가 9 (45%)명, 경도와 중등도 사이(mild to moderate)가 8 (40%)명, 그리고 중등 도(moderate, grade 2)가 3 (9%)명이었다. 수술 사망은 없었고 평균 추적기간은 28개월이었다. 경흉부 심초음파로 추적한 승모판막 폐쇄부전은 모든 예에서 호전되었으며(p=0.002) 심실 구출률은 75%에서 호전을 보였다(p=0.005). 평균 대동맥 차단시간은 대동맥 판막 치환술을 받은 환자들에서는 $62.1{\pm}13.9분$, 벤탈 수술을 받은 환자에서는 $137.5{\pm}7.2$분이었다. 결론: 중등도 이하의 승모판막 폐쇄부전을 갖는 선택적인 환자에서 대동맥 판막 치환술 또는 벤탈 수술 시에 대동맥을 통한 승모판막 교련 성형술은 대동맥 차단시간의 증가나 추가의 절개 없이 시행될 수 있는 비교적 간단하고 효과적인 방법이라고 생각한다.