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Clinical Experiences for Cardiac Myxomas / 대한흉부외과학회지
The Korean Journal of Thoracic and Cardiovascular Surgery ; : 703-709, 2008.
Artículo en Coreano | WPRIM | ID: wpr-67923
ABSTRACT

BACKGROUND:

Diagnosis and treatment are often successful in the setting of cardiac myxomas. However, cardiac myxomas can lead to catastrophic complications, due to intracardiac obstruction and embolism preoperatively, and can recur postoperatively. MATERIAL AND

METHOD:

We retrospectively reviewed the clinical characteristics, surgical treatment, and recurrence data of 85 patients who underwent cardiac myxoma surgery at Asan Medical Center between November 1994 and June 2007. We analyzed the morphologic characteristics of 58 patients with left atrial myxomas and determined the development of functional mitral valve stenosis and systemic embolism through reviewing the results of preoperative echocardiograms to find potential preoperative risk factors.

RESULT:

Twenty-seven (31.8%) patients were men, and 58 (68.2%) were women. The mean patient age was 54.5+/-14.3 years. Preoperative symptoms included obstructive symptoms in 41 (48.2%) patients, signs of embolism in 19 (22.4%), constitutional symptoms in 8 (9.4%), and no symptoms in 19 (20.0%). Among the 58 patients with left atrial myxomas, the mean maximal tumor diameter was 4.3+/-1.8 (range 1.1~8 cm) cm. Twenty-six (44.8%) patients had a prolapsing type, defined as a tumor mobile enough to move down to the mitral annular plane during diastole, and 32 (55.2%) had villous type, defined as a tumor consisting of multiple fine villous extensions on the surface. Twelve (20.7%) patients had severe functional mitral valve stenosis, and 15 (25.9%) had systemic embolism preoperatively. The incidence of severe functional mitral valve stenosis was significantly higher in patients with the prolapsing type than in those with the non-prolapsing type (p=0.001). The mean maximal tumor diameter in patients with severe functional mitral valve stenosis was 5.1+/-1.0 cm, significantly larger than that seen in patients without severe functional mitral valve stenosis (p=0.041). The incidence of systemic embolism was significantly higher in patients with the villous type than in those with the smooth type (p=0.006). Postoperative complications were noted in 6 (7.1%) patients, and early mortality was noted in 1 (1.2%). The mean postoperative follow-up duration was 36.2+/-37.5 months, with recurrence reported in 2 (2.4%) patients during the follow-up period. The disease free interval were 48, 12 months, respectively.

CONCLUSION:

Surgical treatment for cardiac myxomas was performed safely, and long-term prognosis was good. In patients with left atrial myxoma, close attention should be maintained and surgery should be performed promptly in those of prolapsing type, those with large maximal diameter in order to prevent severe functional mitral valve stenosis, and those of villous type in order to prevent systemic embolism. Echocardiography should be followed serially in order to detect recurrence.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Complicaciones Posoperatorias / Pronóstico / Recurrencia / Ecocardiografía / Incidencia / Estudios Retrospectivos / Factores de Riesgo / Estudios de Seguimiento / Diástole / Embolia Tipo de estudio: Estudio de etiología / Estudio de incidencia / Estudio observacional / Estudio pronóstico / Factores de riesgo Límite: Femenino / Humanos / Masculino Idioma: Coreano Revista: The Korean Journal of Thoracic and Cardiovascular Surgery Año: 2008 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Complicaciones Posoperatorias / Pronóstico / Recurrencia / Ecocardiografía / Incidencia / Estudios Retrospectivos / Factores de Riesgo / Estudios de Seguimiento / Diástole / Embolia Tipo de estudio: Estudio de etiología / Estudio de incidencia / Estudio observacional / Estudio pronóstico / Factores de riesgo Límite: Femenino / Humanos / Masculino Idioma: Coreano Revista: The Korean Journal of Thoracic and Cardiovascular Surgery Año: 2008 Tipo del documento: Artículo