Exploring the evolution of evidence synthesis: a bibliometric analysis of umbrella reviews in medicine

Sandeep Samethadka Nayak, Division of Hospital Medicine, Department of Internal Medicine Yale New Haven Health, Bridgeport, CT, USA.
Ehsan Amini-Salehi, Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran.
Michael T. Ulrich, Department of Medicine, Riverside University Health System Medical Center, Moreno Valley, CA, USA.
Yasmin Sahli, Yale New Haven Health, Bridgeport Hospital, Bridgeport, CT, USA.
Micah Fleischman, Department of Physiology and Neurobiology, University of Connecticut, Storrs, CT, USA.
Masum Patel, Byramjee Jeejeebhoy Medical College 34, Jalaramnagar Society, Mehsana, Gujarat, India.
Mahdi Naeiji, Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
Hasan Maghsoodifar, Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
Seyed Amir Sadeghi Douki, Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.
Abdolhadi Alotaibi, Department of Medicine and Surgery, Vision Colleges, Riyadh, Saudi Arabia.
Niloofar Faraji, Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran.
Soheil Hassanipour, Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran.
Mohammad Hashemi, Cardiovascular Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
Mohammad-Hossein Keivanlou, Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran.

Document Type

Article

Publication Title

Annals of medicine and surgery (2012)

Abstract

BACKGROUND: Umbrella review studies have become increasingly vital in evidence synthesis, offering a comprehensive overview by analyzing multiple systematic reviews and meta-analyses. This bibliometric study aimed to delineate the growth and thematic evolution of umbrella reviews within evidence-based medicine, illuminating their integral role in synthesizing high-level evidence. METHODS: Utilizing the Web of Science Core Collection, we performed a search for publications on umbrella reviews, identifying relevant articles through a refined strategy. Analytical tools including VOS Viewer and CiteSpace were employed to visualize connections and trends among the gathered data, converting intricate bibliometric information into comprehensible visual maps. RESULTS: Our search yielded 2965 pertinent publications, highlighting a marked growth in research output, particularly from 2010 to 2023. The United States, United Kingdom, and China were predominant in this field, with leading institutions like King's College London and the University of Toronto at the forefront. The analysis identified major journals such as BMJ Open and PLOS One as key publishers. Co-citation and keyword analysis revealed current research focuses, with recent trends emphasizing COVID-19 and mental health. The study also uncovered a robust international collaboration network, underscoring the global impact of umbrella reviews. CONCLUSION: This bibliometric analysis confirms the expanding influence and utility of umbrella reviews in medical research and decision-making. By charting the evolution and current trends in this field, our study not only showcases the geographical and institutional distribution of research but also guides future scholarly efforts to advance evidence synthesis methodologies.

First Page

2035

Last Page

2048

DOI

10.1097/MS9.0000000000003034

Publication Date

4-1-2025

Identifier

40212143 (pubmed); PMC11981323 (pmc); 10.1097/MS9.0000000000003034 (doi); AMSU-D-24-00875 (pii)

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