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This research aims to estimate the risk of lung cancer associated with welding fumes, incorporating varied exposure characterization.

June 3, 2026Journal of Occupational Medicine and ToxicologyOpen Access

Welding and brazing fumes and lung cancer risk: a systematic review and meta-analysis

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Authors

YKYangwoo KimInha University EKEun Mi KimNational Health Insurance Service IKInah KimHanyang University

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Implication

Systematic review estimates lung cancer risk from welding fumes across various exposure types, indicating significant associations with specific welding processes.

Key Points

This research aims to estimate the risk of lung cancer associated with welding fumes, incorporating varied exposure characterization.
Conducted systematic searches on PubMed, Embase, and Web of Science until July 2025 for relevant epidemiological studies.
Classified exposure data by welding process, base material, and metal fume component, performing random-effects meta-analyses.
Analyzed 58 studies for quantitative synthesis after excluding overlapping cohorts and high-risk-of-bias studies.
The pooled relative risk for lung cancer associated with welding fumes was 1.51 (95% CI: 1.36–1.67; I2 = 39.4%).
Significant dose-response relationships were observed (p = 0.03 for comparative risk, p = 0.013 for standardized ratios).
Elevated risks were noted for gas metal arc welding and gas tungsten arc welding, particularly with stainless steel, though data were limited.

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Kim et al. (2026) studied this question.

synapsesocial.com/papers/6a1fc64adee9eb8c0dce7702 https://doi.org/10.1186/s12995-026-00512-w

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Implication

Systematic review estimates lung cancer risk from welding fumes across various exposure types, indicating significant associations with specific welding processes.

Welding and brazing fumes and lung cancer risk: a systematic review and meta-analysis

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Implication

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Cite This Study

Welding and brazing fumes and lung cancer risk: a systematic review and meta-analysis

Discussion

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Implication

Key Points

Cite This Study

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