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Spanish scientific output on Helicobacter pylori. A study through Medline
M Trapero-Marugán1, J P Gisbert, J M Pajares
1Service of Digestive Diseases, Hospital Universitario de La Princesa, Madrid, Spain.
Objectives:
to analyze scientific output from Spanish hospitals in relation to Helicobacter pylori infection.
Methods:
papers collected from the Medline database between January 1988 and December 2003 were selected. Our search strategy was: "Helicobacter pylori" [MeSH] AND ((Spain [AD] OR Espana [AD] OR Spanien [AD] OR Espagne [AD] OR Espanha [AD]) OR (Spanish [LA]) OR Spain). The following was analyzed: geographic area, Spanish or foreign publication, topic, and year of publication. Output and impact bibliometric markers were evaluated.
Results:
in all, 691 papers were identified, of which 241 were excluded. Number of papers went from 2 in 1988 to 47 in 2002 and 13 in 2003. There were more reports in Spanish versus foreign journals (58 vs. 42%). In the first 5 years the areas with greater output were associated with diagnosis and microbiology (33 and 20%), whereas therapy was the predominating subject during the last 5 years (27%). Original papers were most common among publications (69%). Hospitals with highest output included La Princesa (24%) and Ramón y Cajal (17.6%) in Madrid, and Parc Taulí in Barcelona (6.4%). Mean impact factor progressively increased from 1.826 in 1988 to 2.142 in 2002 and 2.493 in 2003.
Conclusions:
the production and impact of documents published by Spanish scientists regarding H. pylori infection considerably increased during the past two decades.
Insights
Scientific output on Helicobacter pylori infection from Spanish hospitals significantly increased over two decades. Research focus shifted from diagnosis and microbiology to therapy, with rising publication impact.
Area of Science:
- * Medical Research
- * Infectious Diseases
- * Gastroenterology
Background:
- * Helicobacter pylori infection is a significant global health concern.
- * Understanding the scientific contributions of specific regions, like Spain, is crucial for a comprehensive view of H. pylori research.
- * Bibliometric analysis provides insights into research trends and impact.
Purpose of the Study:
- * To analyze the scientific output of Spanish hospitals concerning Helicobacter pylori (H. pylori) infection.
- * To evaluate trends in publication topics, geographic distribution, and bibliometric impact over time.
Main Methods:
- * A systematic literature search was conducted on the Medline database from January 1988 to December 2003.
- * Search terms included "Helicobacter pylori" and Spain-related keywords.
- * Analyzed data included publication year, journal origin, research topic, and bibliometric impact factors.
Main Results:
- * 691 papers were identified, with a notable increase in publications from 1988 to 2003.
- * Research topics evolved from diagnosis and microbiology to therapy over the study period.
- * Spanish journals published more H. pylori research than foreign journals (58% vs. 42%), and mean impact factors showed a progressive increase.
Conclusions:
- * Spanish scientific production and impact regarding H. pylori infection demonstrated substantial growth over two decades.
- * The findings highlight a dynamic research landscape in Spain focused on H. pylori.
- * Continued research and publication are essential for advancing H. pylori management and understanding.
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