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The bicuspid aortic valve and its relation to aortic dilation
Shi-Min, Yuan; Hua, Jing; Lavee, Jacob.
  • Shi-Min, Yuan; The Chaim Sheba Medical Center. Department of Cardiac and Thoracic Surgery. IL
  • Hua, Jing; Nanjing University. School of Clinical Medicine. Jinling Hospital. Department of Cardiothoracic Surgery. CN
  • Lavee, Jacob; The Chaim Sheba Medical Center. Department of Cardiac and Thoracic Surgery. IL
Clinics ; 65(5): 497-505, 2010. ilus, graf, tab
Article in English | LILACS | ID: lil-548630
ABSTRACT

BACKGROUND:

A bicuspid aortic valve (BAV) is a common congenital heart disease, which affects 1-2 percent of the population. However, the relationship between BAVs and aortic dilation has not been sufficiently elucidated.

METHODS:

A total of 241 BAV patients who were referred to this hospital for cardiac surgey over a 4.75-year period were included in this study. In addition to the clinical characteristics of the included patients, the morphological features of the aortic valve and aorta, the length of the left main coronary artery, and the laboratory findings (the coagulation and hematological parameters as well as the total cholesterol concentration) were determined and compared with those of the tricuspid aortic valve (TAV) patients.

RESULTS:

The BAV patients were younger than the TAV patients for a valve surgery in the last 3 months of the study period. The BAV patients were predominantly male. Most of the BAVs that were surgically treated were stenotic, regurgitant, or combined, and only 19 (7.88 percent) were normally functioning valves. According to echocardiography or operative records, 148 (78.31 percent) were type A, 31 (16.40 percent) were type B, and 10 (5.29 percent) were type C. The left main coronary artery was much shorter in the BAV patients than it was in the TAV patients. There was no significant difference between BAV and TAV patients in the total cholesterol concentrations; whereas differences were noted between patients receiving lipid-lowering therapy and those not receiving lipid-lowering therapy. The dimensions of the aortic root, sinotubular junction, and ascending aorta were beyond normal limits, while they were significantly smaller in the BAV patients than in the TAV patients. They were also much smaller in patients receiving statin therapy than those not receiving statin therapy in both groups. Moreover, the aortic dilation in the BAV group was found to be significantly associated with patient age.

CONCLUSIONS:

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Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Aortic Diseases / Aortic Valve / Heart Valve Diseases Type of study: Etiology study / Observational study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Clinics Journal subject: Medicine Year: 2010 Type: Article Affiliation country: China / Israel Institution/Affiliation country: Nanjing University/CN / The Chaim Sheba Medical Center/IL

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LIS

Full text: Available Index: LILACS (Americas) Main subject: Aortic Diseases / Aortic Valve / Heart Valve Diseases Type of study: Etiology study / Observational study / Risk factors Limits: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male Language: English Journal: Clinics Journal subject: Medicine Year: 2010 Type: Article Affiliation country: China / Israel Institution/Affiliation country: Nanjing University/CN / The Chaim Sheba Medical Center/IL