Pre-Operative Sildenafil for Patients With Pulmonary Hypertension Undergoing Mitral Valve Surgery: A Systematic Review and Meta-Analysis.

Cardiol Res · 2019 · PMC6879044 · PMID 31803335

Europe PMC DOI

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a decreasing trendno p-value reported

Although it showed a decreasing trend during intra-operative measurement, they did not achieve statistical significance.

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