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Additional file 1: Appendix 1. PRISMAChecklist. Appendix 2. Studies included at full-text review. Supplementary Figure 1. Funnel plot summarising publication bias for studies with data regarding effect of age on depressive symptoms after stoma surgery. Supplementary Figure 2. Funnel plot summarising publication bias for studies with data regarding mean age and standard deviations in studies with data regarding effect of age on depressive symptoms after stoma surgery. Supplementary Figure 3. Funnel plot summarising publication bias for studies with data regarding effect of sex on depressive symptoms after stoma surgery. Supplementary Figure 4. Forest plot summarising prevalence of male sex in studies with data regarding effect of sex on depressive symptoms after stoma surgery. Supplementary Figure 5. Funnel plot summarising publication bias for studies with data regarding prevalence of male sex and data regarding effect of sex on depressive symptoms after stoma surgery. Supplementary Figure 6. Forest plot showing prevalence of depressive symptoms after stoma surgery in studies reporting by region. Supplementary Figure 7. Funnel plot summarising publication bias for studies with data regarding effect of region on depressive symptoms after stoma surgery. Supplementary Figure 8. Forest plot summarising the odds of experiencing depressive symptoms before versus after stoma surgery. Supplementary Figure 9. Funnel plot summarising publication bias in studies reporting odds of experiencing depressive symptoms before versus after stoma surgery. Supplementary Figure 10. Forest plot summarising the odds of experiencing depressive symptoms after surgery in stoma versus non-stoma populations. Supplementary Figure 11. Funnel plot summarising publication bias in studies reporting data regarding the odds of experiencing depressive symptoms after surgery in stoma versus non-stoma populations. Supplementary Figure 12. Forest plot summarising mean differences in experiencing depressive symptoms after surgery in stoma versus non-stoma populations. Supplementary Figure 13. Funnel plot summarising publication bias in studies reporting data regarding mean differences in experiencing depressive symptoms after surgery in stoma versus non-stoma populations. Supplementary Figure 14. Forest plot summarising the mean differences in experiencing depressive symptoms after surgery in colostomy versus ileostomy patients. Supplementary Figure 15. Funnel plot summarising publication bias in studies reporting data regarding the mean differences in experiencing depressive symptoms after surgery in colostomy versus ileostomy patients. Supplementary Table 1. Risk of bias assessment using the Downs and Black Checklist for 65 non-randomised studies of interventions included in the present systematic review. Supplementary Table 2. Overall risk of bias assessment using the Cochrane RoB 2.0 checklist for three randomised controlled trials included in the present systematic review.

Supplemental material, sj-docx-1-han-10.1177_15589447231174175 for Surgical Management of Dupuytren Disease: A Systematic Review and Network Meta-analyses by Silas Nann, Joshua Kovoor, James Fowler, James Kieu, Aashray Gupta, Joseph Hewitt, Christopher Ovenden, Suzanne Edwards, Stephen Bacchi, Jonathan Henry W. Jacobsen, Richard Harries and Guy Maddern in HAND

Extracorporeal Membrane Oxygenation (ECMO) was first used in the 1970s. Its use is increasingly common in critical care and perioperative settings and has gained newfound prominence during COVID-19. To guide future research, we conducted a bibliometric analysis of ECMO literature. Thomson Reuters Web of Science was searched to March 7, 2021. Articles were ranked by total number of citations. Data was extracted from the 100 most cited papers relevant to ECMO for study design, topic, author, year, and institution. Journal impact factor for 2019 and Eigenfactor scores were also recorded. Our search retrieved a total of 18,802 articles. Median number of citations for the top 100 articles was 220 (range 157–1,819). These were published in 34 journals, with first authors originating from 15 countries. The Annals of Thoracic Surgery had the highest number of articles (n = 9) while Lancet publications had the most citations (n = 3,191). Use of ECMO was most commonly observed in cardiogenic shock or acute respiratory distress syndrome. United States had the greatest article output (n = 49). With 10 publications, 2013 was the most prolific year. Using linear regression, when controlled for time since publication, there was no statistically significant relationship between 2019 journal impact factor and number of article citations (p = .09). Top articles in the ECMO literature are of considerable impact and quality. As the United States produced the bulk of the prominent evidence base, and most data were regarding respiratory issues, outsized advances in ECMO may be possible within the United States during the COVID-19 era.