ArticleActa Cardiologica Sinica2022
The Impact of Sildenafil on Ischemic Outcomes in Patients with Pulmonary Hypertension - A Nationwide Cohort Study.
Article in Acta Cardiologica Sinica, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it, 1 citations in OpenAlex.
- Long-term effects of phosphodiesterase-5 inhibitors on cardiovascular outcomes and death: a systematic review and meta-analysis.European heart journal. Cardiovascular pharmacotherapy · 2024Pooled it
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Sildenafil, a phosphodiesterase-5 inhibitor, has been approved for the treatment of pulmonary hypertension (PH). It improves exercise capacity, symptoms and hemodynamics in patients with PH by lowering pulmonary pressures. Preclinical studies have indicated a possible protective effect of sildenafil on ischemia/reperfusion injury. Nevertheless, evidence showing the impact of sildenafil on ischemic disorders in patients with PH is lacking. Methods: Using the Taiwanese National Health Insurance Research Database and Cause of Death databases, we conducted a retrospective cohort study to investigate the hazard ratio (HR) with inverse probability of treatment weighting (IPTW) of sildenafil for the development of major adverse cardiovascular and cerebrovascular events (MACCEs), including new-onset acute myocardial infarction (AMI) and ischemic stroke in patients with PH. The follow-up period was 7 years. In addition, we performed sensitivity analysis by limiting the studied population to those who received right heart catheterization and excluding those with a history of coronary arterial disease. Results: After adjusting for age, sex and comorbidities, the patients receiving sildenafil had a significantly lower risk of subsequent AMI [adjusted HR with IPTW: 0.42; confidence interval (CI): 0.20-0.86] and a trend of less ischemic stroke (adjusted HR with IPTW: 0.72; CI: 0.51-1.02). Interestingly, among the sildenafil users, those who were older, had chronic kidney disease, and took cardiovascular medications showed the most significant reductions in the risk of MACCEs. The sensitivity analysis showed similar results. Conclusions: The use of sildenafil in patients with PH was associated with a lower risk of long-term MACCEs. More evidence is needed to validate our findings.
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