• J Chin Med Assoc · Mar 2024

    Multicenter Study

    The long-term outcome of chronic thromboembolic pulmonary hypertension: Pulmonary endarterectomy and balloon pulmonary angioplasty.

    • Kuo-Ming Yang, Mei-Tzu Wang, Chi-Wei Tao, Yih-Jer Wu, Chih-Hsin Hsu, Wei-Chih Liao, Hsao-Hsun Hsu, Meng-Chih Lin, Fu-Ting Tsai, Yun-Ju Fu, Feng-Yu Kuo, Chin-Chang Cheng, Cheng-Chung Hung, Hao-Chien Wang, Chong-Jen Yu, and Wei-Chun Huang.
    • Cardiovascular Medical Center, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, ROC.
    • J Chin Med Assoc. 2024 Mar 1; 87 (3): 273279273-279.

    BackgroundThe long-term outcome on patients with chronic thromboembolic pulmonary hypertension (CTEPH) has not been ideal after standard medical treatment. However, good outcome for patients with CTEPH after interventions such as pulmonary endarterectomy (PEA) and balloon pulmonary angioplasty (BPA) has been reported recently. The aim of this study was to evaluate the impact of PEA or BPA on long-term outcomes for CTEPH patients in Han-Chinese population.MethodsThis was a multicenter, prospective case-control study. Patients with CTEPH were enrolled between January, 2018 and March, 2020. They were divided into two groups, including intervention (PEA or BPA) and conservative groups. The followed-up period was 26 months after treatment. The endpoints were all-cause mortality and CTEPH mortality.ResultsA total of 129 patients were enrolled and assigned to receive PEA/BPA (N = 73), or conservative therapy (N = 56). Overall, the 26-month survival rate of all-cause mortality was significantly higher in intervention group compared to that in conservative group (95.89% vs 80.36%; log-rank p = 0.0164). The similar trend was observed in the 26-month survival rate of CTEPH mortality (97.26% vs 85.71%; log-rank p = 0.0355). Regarding Cox proportional-hazard regression analysis, the hazard ratios (HRs) on patients with CTEPH receiving intervention in the outcome of all-cause mortality and CTEPH mortality were statistically significant (HR = 0.07 and p = 0.0141 in all-cause mortality; HR = 0.11 and p = 0.0461 in CTEPH mortality).ConclusionThis multicenter prospective case-control study demonstrated that intervention such as PEA and BPA increased the long-term survival rate for patient with CTEPH significantly. Intervention was an independent factor in long-term outcome for patients with CTEPH, including all-cause mortality and CTEPH mortality.Copyright © 2024, the Chinese Medical Association.

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