Background <p>Fibrosing mediastinitis (FM) is a rare condition that may be complicated by pulmonary hypertension (PH). This multicenter study aimed to investigate the clinical features, long-term survival outcomes, and prognostic factors in patients with fibrosing mediastinitis associated pulmonary hypertension (FM-PH).</p> Methods <p>A total of 85 FM-PH patients were enrolled across seven centers in China between January 2007 and July 2024. Patients were classified into two groups based on the occurence of clinical worsening (CW): FM-PH with CW and FM-PH without CW. Clinical worsening was defined as a composite of all-cause mortality, rehospitalization for heart failure, or deterioration in World Health Organization functional class (WHO-FC) compared with baseline.</p> Results <p>Of the 85 FM-PH patients, 37 were classified as FM-PH without CW and 48 as FM-PH with CW. The FM-PH with CW patients had significantly higher levels of systemic inflammation, elevated N-terminal pro-brain natriuretic peptide (NT-proBNP), higher mean pulmonary artery pressure (mPAP), and worse right heart function compared to the FM-PH without CW patients. Multivariate Cox regression analysis showed that high-sensitivity C-reactive protein (hs-CRP), mPAP, and peripheral edema were independently associated with clinical worsening in FM-PH patients. Over a median follow-up of 27 months [IQR 11–55], 48 patients experienced clinical worsening events, including five deaths. The 1-, 3-, and 5-year overall survival rates were 94.5%, 86.3%, and 84.6%, respectively. However, the 5-year clinical worsening-free rate was only 26.6%.</p> Conclusion <p>Although the 1-, 3-, and 5-year overall survival rates were relatively favorable, the 5-year clinical worsening-free rate was not satisfying. Elevated hs-CRP, mPAP and the presence of peripheral edema were independently associated with worse clinical outcomes.</p>

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Long-term outcomes and prognostic predictors in patients with fibrosing mediastinitis associated pulmonary hypertension: a multicenter cohort study

  • Hanwen Zhang,
  • Beilan Yang,
  • Bingyang Liu,
  • Qin Luo,
  • Yinjiang Tang,
  • Ting Wang,
  • Gaxue Jiang,
  • Qunying Xi,
  • Yinli Wang,
  • Hongyun Ruan,
  • Jinglong Nan,
  • Yicheng Yang,
  • Qixian Zeng,
  • Wenjie Yan,
  • Yanru Liang,
  • Zhihui Zhao,
  • Tao Yang,
  • Yu Chen,
  • Yan Wu,
  • Xincao Tao,
  • Xiaoming Zhou,
  • Zhihong Liu,
  • Lingyan You,
  • Changming Xiong

摘要

Background

Fibrosing mediastinitis (FM) is a rare condition that may be complicated by pulmonary hypertension (PH). This multicenter study aimed to investigate the clinical features, long-term survival outcomes, and prognostic factors in patients with fibrosing mediastinitis associated pulmonary hypertension (FM-PH).

Methods

A total of 85 FM-PH patients were enrolled across seven centers in China between January 2007 and July 2024. Patients were classified into two groups based on the occurence of clinical worsening (CW): FM-PH with CW and FM-PH without CW. Clinical worsening was defined as a composite of all-cause mortality, rehospitalization for heart failure, or deterioration in World Health Organization functional class (WHO-FC) compared with baseline.

Results

Of the 85 FM-PH patients, 37 were classified as FM-PH without CW and 48 as FM-PH with CW. The FM-PH with CW patients had significantly higher levels of systemic inflammation, elevated N-terminal pro-brain natriuretic peptide (NT-proBNP), higher mean pulmonary artery pressure (mPAP), and worse right heart function compared to the FM-PH without CW patients. Multivariate Cox regression analysis showed that high-sensitivity C-reactive protein (hs-CRP), mPAP, and peripheral edema were independently associated with clinical worsening in FM-PH patients. Over a median follow-up of 27 months [IQR 11–55], 48 patients experienced clinical worsening events, including five deaths. The 1-, 3-, and 5-year overall survival rates were 94.5%, 86.3%, and 84.6%, respectively. However, the 5-year clinical worsening-free rate was only 26.6%.

Conclusion

Although the 1-, 3-, and 5-year overall survival rates were relatively favorable, the 5-year clinical worsening-free rate was not satisfying. Elevated hs-CRP, mPAP and the presence of peripheral edema were independently associated with worse clinical outcomes.