SONG Min , MENG Liukun , WANG Shuiyun , XU Jianping , LIU Xiaoxi
  • Department of Adult Heart Diseases, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, P.R.China;
SONG Min, Email: mdsongmin@126.com
Primary left ventricular tumor; surgical treatment; pathological types; recurrence; surgery
10.7507/1007-4848.202004050
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Objective To summarize the pathological characteristics of primary left ventricular tumors and their influence on surgical treatment.Methods The clinical data of 32 patients with primary left ventricular tumor in Fuwai Hospital from January 2008 to March 2019 were retrospectively analyzed, including 17 males and 15 females with an average age of 33.88±17.89 years. The impact of different types of left ventricular tumor pathology on the surgical outcome was analyzed.Results Thirty-two patients with primary left ventricular tumors underwent surgery. Postoperative pathological biopsy results revealed benign tumor in 31 patients, including myxoma in 10 patients, lipomas in 7 patients, fibroma in 4 patients, hemangioma in 3 patients, rhabdomyoma in 2 patients, cyst in 2 patients, schwannoma in 1 patient, papillary fibroelastoma in 1 patient, cavernous hyperplasia of valvular lymphatic vessels in 1 patient. There was 1 patient of carcinoid (low-grade malignant tumor). Thirty patients underwent tumor resection surgery under hypothermic anesthesia and cardiopulmonary bypass followed by cardiac arrest while 2 patients without cardiopulmonary bypass. Nine patients received partial resection of the tumor, including lipomas in 6 patients, rhabdomyoma in 2 patients, schwannoma in 1 patient. Twenty-three patients received complete resection of the tumor. There were no in-hospital deaths, bleeding, secondary thoracotomy, low cardiac output, renal failure, postoperative embolism or other surgical complications. All the patients were normal before they were discharged out of the hospital. Their average postoperative hospital stay was 8.1±2.7 d. Within 6 months after the surgery, all 32 patients returned to the hospital for reexamination, and ultrasound results were all normal. Afterwards, the patients were followed up by telephone or in an outpatient clinic, and 3 patients were lost. The follow-up rate was 90.63%. During the follow-up of 3-120 (61.4±38.5) months, among the 9 patients whose tumors were partially resection, 2 patients recurred. One patient with schwannoma recurred 30 months after the surgery, and in the other patient lipomas grew 15 months later which resulted in massive regurgitation of the mitral valve.Conclusion Surgical resection is the first choice for the treatment of left ventricular benign tumors. For malignant left ventricular tumors, it is necessary to be cautious, and the surgical risk needs to be carefully evaluated. Most of the primary left ventricular tumors need to be operated as soon as possible. A surgeon should develop different surgical strategies according to different pathological types of tumors.

Citation： SONG Min, MENG Liukun, WANG Shuiyun, XU Jianping, LIU Xiaoxi. Pathological characteristics of primary left ventricular tumors. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2021, 28(1): 93-98. doi: 10.7507/1007-4848.202004050 Copy

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