Key result
Compound salvia pellet significantly improved angina symptoms compared with nitrates (RR 1.23; 95% CI 1.17-1.30; P<0.001) and was associated with fewer adverse events (3.2% vs 17.0%).
Why the study?
Chronic stable angina results in a considerable burden, prompting an evaluation of the effectiveness and safety of compound salvia pellet compared with nitrates.
Does Compound salvia pellet improve angina symptoms and ECG findings in patients with chronic stable angina compared with nitrates?
Meta-Analysis (n=4,732)
Does Compound salvia pellet improve angina symptoms and ECG findings in patients with chronic stable angina compared with nitrates?
Compound salvia pellet may be more effective and safer than nitrates for improving symptoms and ECG findings in patients with chronic stable angina.
Answers are grounded in this paper and cite their sources.
Compound salvia pellet may improve CSA symptoms and ECG more than nitrates with fewer adverse events; leaves open confirmation in rigorous multicenter RCTs.
BACKGROUND: Chronic stable angina (CSA) resulted in a considerable burden for both individuals and the society. In this study we aimed to critically evaluate the effectiveness and safety of Compound salvia pellet compared with nitrates in the treatment of Chronic Stable Angina (CSA) pectoris, and to provide more credible evidence for clinical practice. METHODS: A comprehensive and exhaustive search strategy was formulated to identify potential RCTs of compound salvia pellet for CSA in international and Chinese databases from their inception to July 4th, 2018. We also searched the bibliographies of relevant studies. Two reviewers independently assessed the quality of included trials by using Cochrane Risk of Bias Tool. RESULTS: The literature search yielded 1849 citations and 51 RCTs (n = 4732) were included for meta-analysis after titles, abstracts and full text selection according to eligibility criteria. The pooled results suggested that compound salvia pellet was much more effective than nitrates in the improvement of angina symptoms (therapy = 4 weeks, RR = 1.23, 95%CI = [1.17, 1.30], P < .001, I = 0%; therapy = 4 weeks, RR = 1.13, 95%CI = [1.08, 1.17], P < .001, I = 45.6%), and ECG test (therapy = 4 weeks, RR = 1.24, 95%CI [1.14, 1.35], P < .001, I = 51.5%; and therapy > 4 weeks, RR = 1.30, 95%CI[1.20, 1.42], P < .001, I = 36.4%) in CSA. Compared with nitrates, the percentage of patients with adverse events significantly decreased when prescribed with compound salvia pellet (3.2% vs 17.0%). CONCLUSION: Compound salvia pellet might be more effective on the improvement of angina symptoms, ECG test and with few adverse events compared with nitrates. While there are some limitations in this study, which may weaken the results, we believe the findings could provide useful information for stakeholders concerned with outcomes in patients with CSA. More rigorous RCTs with high quality are needed to confirm these findings.
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Yu et al. (2019) conducted a meta-analysis in Chronic Stable Angina (CSA) (n=4,732). Compound salvia pellet vs. nitrates was evaluated on improvement of angina symptoms (RR 1.23, 95% CI 1.17, 1.30, p=< .001). Compound salvia pellet significantly improved angina symptoms compared with nitrates (RR 1.23; 95% CI 1.17-1.30; P<0.001) and was associated with fewer adverse events (3.2% vs 17.0%).
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