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What Influences the Patients with Left Atrial Myxoma: From Embolism to Postoperative Atrial Fibrillation

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Abstract

Background

Preoperative embolism and postoperative atrial fibrillation (POAF) are two important factors associated with impaired health conditions and increased economic burden in patients with left atrial (LA) myxoma. The aim of this study was to analyze embolic events, identify predictors of POAF, and evaluate the risk of late-term survival in patients with LA myxoma.

Methods

From December 2009 to December 2019, 177 consecutive patients with LA myxoma who met the selection criteria were included in the retrospective analysis. Multivariate logistic regression analysis was performed to identify predictors of POAF. Propensity score matching was used for confounder control, and Cox proportional hazards models were used to evaluate the risk of late-term mortality.

Results

The study population comprised of 125 patients in non-POAF group and 52 patients in POAF group. Preoperative embolism was present in 27.1% of the all cases. By multivariate analysis, age, NYHA functional class III, LA diameter, and cross-clamp time were identified as independent predictors of in-hospital POAF. The overall survival at 1, 5, and 10 years for the 177 patients was 98.9%, 93.7%, and 84.4%, respectively. There was no statistical difference in late-term survival between the two groups in the Cox proportion-adjusted survival curve. After propensity score 1:1 matching, patients with POAF had a longer postoperative hospital stay and Kaplan–Meier survival curve also showed no statistical difference between the two groups.

Conclusions

Patients with LA myxoma after surgical treatment had a favorable prognosis. In-hospital POAF was not independently associated with late-term mortality in patients with LA myxoma.

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Authors and Affiliations

  1. Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jie Fang Avenue, Hankou, Wuhan, 430000, China

    Sizheng Xiong, Lihui Song, Gen Li & Jun Li

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  1. Sizheng Xiong
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  2. Lihui Song
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  3. Gen Li
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  4. Jun Li
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Correspondence to Jun Li.

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Xiong, S., Song, L., Li, G. et al. What Influences the Patients with Left Atrial Myxoma: From Embolism to Postoperative Atrial Fibrillation. World J Surg 44, 3943–3951 (2020). https://doi.org/10.1007/s00268-020-05665-1

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