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Hernia
Published in: Hernia 5/2020

Open Access 01-10-2020 | Inguinal Hernia | Review

Work-relatedness of inguinal hernia: a systematic review including meta-analysis and GRADE

Authors: P. P. F. M. Kuijer, D. Hondebrink, C. T. J. Hulshof, H. F. Van der Molen

Published in: Hernia | Issue 5/2020

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Abstract

Purpose

Clinicians need to know whether inguinal hernia (IH) can be attributed to work to answer questions regarding prevention and medical causation. This review describes whether work-related risk factors are associated with IH.

Methods

A systematic review was performed in Medline via PubMed until February 3rd, 2020. Inclusion criteria were that IH was diagnosed by a clinician, and workers exposed to work-related risk factors were compared to workers less exposed or not at all. A quality assessment and a meta-analysis using Cochrane’s RevMan 5.3 were performed, including GRADE for quality of evidence.

Results

The search resulted in 540 references. Fourteen studies fulfilled the inclusion criteria, of which three were included in a meta-analysis, all three being of high quality, including 621 workers diagnosed with IH. The meta-analysis revealed significant associations with physically demanding work (OR 2.30, 95% CI 1.56–3.40). Two prospective studies, including 382 and 22,926 cases revealed associations that this was true for male workers with a lateral IH that reported standing or walking for more than six hours per workday (OR 1.45, 95% CI 1.12–1.88) or lifting cumulative loads of more than 4000 kg per workday (OR 1.32, 95% CI 1.27–1.38). The level of certainty for the latter two work-related risk factors was moderate and high according to GRADE.

Conclusion

Lateral IH among males is associated with work-related risk factors depending on the level of exposure to the time standing/walking per workday, or the amount of load lifted per workday.
Appendix
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Metadata
Title
Work-relatedness of inguinal hernia: a systematic review including meta-analysis and GRADE
Authors
P. P. F. M. Kuijer
D. Hondebrink
C. T. J. Hulshof
H. F. Van der Molen
Publication date
01-10-2020
Publisher
Springer Paris
Keyword
Inguinal Hernia
Published in
Hernia / Issue 5/2020
Print ISSN: 1265-4906
Electronic ISSN: 1248-9204
DOI
https://doi.org/10.1007/s10029-020-02236-0

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