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What do systematic reviews say?

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Evidence found and GRADE certainty

20 questions · 20 findings · 2 reviews

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No studies found 0 · 0%GRADE not reported 6 · 30%Very low 4 · 20%Low 9 · 45%Moderate 1 · 5%High 0 · 0%

Shengmai vs placebo

Lack of improvement in heart failure ( NYHA class improved < I class or worsening of heart failure) · patients with heart failure

Shengmai may leads to lower lack of improvement in heart failure (NYHA class improved < I class… compared with placebo (low certainty).

1 finding from 1 review

Shengmai plus usual treatment vs usual treatment alone

Lack of improvement in heart failure ( NYHA class improved < I class or worsening of heart failure) · patients with heart failure

Shengmai plus usual treatment may leads to lower lack of improvement in heart failure (NYHA class improved < I class… compared with usual treatment alone (low certainty).

1 finding from 1 review

Intervention not reported

Number of patients with premature beat: Shengmai decoction plus supportive therapy versus supportive therapy alone · patients with viral myocarditis

The intervention showed no clear difference in number of patients with premature beat: Shengmai decoction plus… (moderate certainty).

1 finding from 1 review