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The efficacy of bloodletting therapy in patients with acute gouty arthritis: A systematic review and meta-analysis

Complement Ther Clin Pract. 2021 Nov 11;46:101503. doi: 10.1016/j.ctcp.2021.101503. Online ahead of print.

ABSTRACT

BACKGROUND: Bloodletting therapy (BLT) is widely used to relieve acute gouty arthritis (AGA). However, limited evidence-based reports exist on the effectiveness and safety of BLT. This systematic review aims to evaluate the feasibility and safety of BLT in treating AGA.

METHODS: Seven databases were exhaustively screened from the date of establishment to July 31, 2020, irrespective of the publication source and language. The included articles were evaluated for bias risk by using the Cochrane risk of bias assessment tool. All statistical analyses were done with Review Manager 5.3.

RESULTS: Twelve studies involving 894 participants were included for the final analysis. Our meta-analysis revealed that BLT was highly effective in relieving pain (MD = -1.13, 95% CI [-1.60, -0.66], P < 0.00001), with marked alterations in the total effective (RR = 1.09, 95% [1.05, 1.14], P < 0.0001) and curative rates (RR = 1.37, 95%CI [1.17, 1.59], P < 0.0001). In addition, BLT could dramatically reduce serum C-reactive protein (CRP) level (MD = -3.64, 95%CI [-6.72, -0.55], P = 0.02). Both BLT and Western medicine (WM) produced comparable decreases in uric acid (MD = -18.72, 95%CI [-38.24, 0.81], P = 0.06) and erythrocyte sedimentation rate (ESR) levels (MD = -3.01, 95%CI [-6.89, 0.86], P = 0.13). Lastly, we demonstrated that BLT was safer than WM in treating AGA (RR = 0.36, 95%CI [0.13, 0.97], P = 0.04).

CONCLUSION: BLT is effective in alleviating pain and decreasing CRP level in AGA patients with a lower risk of evoking adverse reactions.

PMID:34814062 | DOI:10.1016/j.ctcp.2021.101503

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