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Purpose:  Research output of once-leading countries in surgical journals is decreasing despite an overall increase of scientific publications by 8% per year. We aimed to assess research outputs of German, Dutch, and Israeli pediatric surgeons in dedicated pediatric surgical journals in order to get insight into trends in pediatric surgical research.   Methods:  We collected bibliographic information on all original articles in the  Journal of Pediatric Surgery, European Journal of Pediatric Surgery , and  Pediatric Surgery International  in 1985–1988, 2000–2003, and 2015–2018 that had a German, Dutch or Israeli last author from a department of pediatric surgery. Citation counts were obtained from the Web of Science.   Results:  Research output of German pediatric surgery decreased from 19 manuscripts in 1988 (0.1/surgeon/year) to eight manuscripts in 2017 (0.02/surgeon/year), whereas those of the Netherlands increased from two manuscripts in 1985 (0.08/surgeon/year) to 12 manuscripts in 2016 (0.3/surgeon/year). The declining German research output negatively correlated with increasing numbers of specialist pediatric surgeons for total (τ = −0.54;  P  = 0.0156) and manuscripts per surgeon (τ = −0.79;  P  = 0.0001), resulting in a negative trend over time (χ 2  = 11.845,  P  = 0.0006). Analyses of citation patterns revealed that manuscripts by Dutch pediatric surgeons and those published in the  Journal of Pediatric Surgery  had higher absolute citation counts than the reference category of a German manuscript in the  European Journal of Pediatric Surgery . Age-corrected citation rates resembled this result by increasing from 2000 to 2003 (    x  ˜= 0.799, range: 0–3.368) to 2015–2018 (    x  ˜= 2, range: 0–5) ( P  = 0.035) for the Netherlands. Assessment of manuscript types revealed that the proportion of prospective studies increased in the German sample (χ 2  = 5.05,  P  = 0.0246), but remained the lowest among the comparators. Surprisingly, the proportion of non-clinical manuscripts from Germany also increased over time (χ 2  = 4.001,  P  = 0.0455), whereas it remained constant in both the Netherlands and Israel.   Conclusion:  German pediatric surgical research output decreased in the last thirty years based on the sample of dedicated pediatric surgical journals, while Dutch productivity increased. Citation rates—as a measure of scientific impact—were associated and increased with Dutch manuscripts. The involved factors remain to be determined and whether this represents a shift toward other journals or mirrors a general development.

frontiers in pediatrics

Pediatric Surgical Research Output in Germany in the Last 30 Years – An Assessment and International Comparison of Three Dedicated Paediatric Surgical Journals