Three Cases of Lamblfs Excrescence

iDepartment of Thoracic and Cardiovascular Surgery, Wakayama Medical University, Wakayama, Japanj

Nobuko Yamamoto Yoshitaka Okamura Yoshiharu Nishimura
Shunji Uchita Koji Toguchi Kentaro Honda
Takeo Nakai
Lamblfs excrescences are the fibrous structures which are attached to the heart valve, and usually the presence of Lamblfs excrescences alone is not an indication of operation. The operative indications of isolated Lamblfs excrescence is still controversial, because some reports indicated cross relationship between Lamblfs excrescences and cerebral embolism. Based on these facts, we discussed our 3 cases of Lamblfs excrescences. Two of the cases had been complicated with severe mitral regurgitation and Lamblfs excrescences were resected at the time of mitral valve plasty. In another case, Lamblfs excrescence was found with echocardiography during chronic heart failure therapy. This patient had a past history of cerebral infarction, but no relationship of cerebral infarction was suggested. In this case, cardiac surgery was not required, so we followed isolated Lamblfs excrescence without resection in this case. One operated case, which had infective endocarditis was suspected by echocardiography, had slighted inflammatory reaction but blood culture was negative. Diagnosis of Lamblfs excrescence was made by histopathological examination. One report suggested that the cause of the cerebral infarction is not Lamblfs excrescence itself but the thrombi around Lamblfs excrescence. However, we hesitate to operate on isolated Lamblfs excrescence. Based on some reports, it is useful to resect Lamblfs excrescence when a concurrent cardiac operation is carried out to avoid cerebral embolic events.
  Jpn. J. Cardiovasc. Surg. 41:135-138i2012j

KeywordsFLamblfs excrescence, cerebral infarction