Increased risk of mortality in systemic sclerosis-associated pulmonary hypertension: a systemic review and meta-analysis

Anji Xiong1,2, Qingting Liu2, Jiaxun Zhong2, Yuzi Cao2, Qilang Xiang2, Ziyi Hu2, Shifeng Zhou2, Zhuoyao Song2, Huini Chen2, Zhang Yan2, Hongxu Cui2, Shiquan Shuai1,2
1Inflammation and Immunology Key Laboratory of Nanchong, Nanchong, China
2Department of Rheumatology and Immunology, Nanchong Central Hospital, The Affiliated Nanchong Central Hospital of North Sichuan Medical College, Nanchong, China

Tóm tắt

Abstract Background

Pulmonary hypertension (PH) is a frequent complication of systemic sclerosis (SSc) and is currently one of the primary causes of death in patients with this disease. We conducted a systematic review and meta-analysis to assess the association between PH and mortality in patients with SSc to verify trends in mortality in patients with SSc-associated PH.

Methods

We searched the PubMed and Embase databases for published studies on SSc-associated PH from inception to May 2021. All cohort studies in which mortality and/or survival for SSc-associated PH were reported were included in the analysis. The outcome parameters were pooled and analyzed using a random-effects model via generic inverse-variance weighting in conventional and cumulative meta-analysis.

Results

The literature search identified 1161 citations, and the full texts of 54 studies were examined. Sixteen articles, with a total of 7857 patients with SSc and 1140 patients with SSc-associated PH, were included in the meta-analysis. Patients with SSc-associated PH had a higher pooled risk of mortality than patients with SSc without PH (risk ratio = 3.12; 95% confidence interval: [2.44, 3.98]).

Conclusions

This meta-analysis revealed a higher mortality in patients with SSc-associated PH. PH was a significant predictor of death in patients with SSc. Thus, early diagnosis and treatment of PH are important in patients with SSc.

Từ khóa


Tài liệu tham khảo

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