What We Learned with Recent Network Meta-analyses on Atherosclerosis Prevention and Treatment

Arturo Giordano, Mariangela Peruzzi, Antonino G.M. Marullo, Giacomo Frati, Sebastiano Sciarretta, Giovanni Napolitano, Giuseppe Biondi-Zoccai

Research output: Contribution to journalReview articlepeer-review

Abstract

Purpose of Review: The management of atherosclerosis requires a complex integration of the knowledge on its pathophysiology, patient values, and the synthesis of the global scientific evidence informing on its prevention and treatment. Novel statistical methods such as umbrella reviews and network meta-analyses (NMAs) offer a unique opportunity for integrating different sources of evidence stemming from randomized controlled trials (RCTs) or internally valid observational studies. We aimed to provide an updated perspective on the most important contributions of recent network meta-analyses on atherosclerosis prevention and treatment. Recent Findings: We identified and appraised in detail 9 NMAs on atherosclerosis prevention, all published in 2016, whereas a total of 12 NMAs on atherosclerosis treatment published between 2014 and 2016 were identified. Most NMAs focused on RCTs only, with primary prevention analyses including on average more trials and patients than those focusing on secondary prevention. In most cases, conclusive findings for clinically relevant outcomes could be provided. Yet, several inconclusive findings were reported, suggesting thus that NMAs can also guide new research by emphasizing where new evidence is most needed. Summary: NMAs provide a unique opportunity for poignant synthesis of high-quality evidence. In particular, they seem particularly promising when the evidence base has reached a sufficient level of maturity, and several competing interventions require comprehensive and comparative risk-benefit appraisal.

Original languageEnglish
Article number8
JournalCurrent Atherosclerosis Reports
Volume19
Issue number2
DOIs
Publication statusPublished - Feb 1 2017

Keywords

  • Atherosclerosis
  • Evidence synthesis
  • Mixed treatment comparison
  • Network meta-analysis
  • Prevention
  • Treatment

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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