Introduction: Sporadic Creutzfeldt-Jakob disease (sCJD) might be transmitted by surgery. The purpose of this study was to investigate potential susceptibility to sCJD from surgery at juvenile age and in early adulthood. Methods: From Danish and Swedish national registries we identified 167 definite and probable sCJD cases with onset from 1987 through 2003, and 835 age-, sex- and residence-matched controls along with their surgical histories. Main, anatomically or etiologically classified surgical procedures followed by a $20-year lag were analyzed using logistic regression, and stratified by age at first-registered surgical discharge. Results: The risk of having a diagnosis of CJD depended strongly on age at first surgery with odds ratio (OR) of 12.80 (95% CI 2.56'64.0) in patients ,30 years, 3.04 (95% 1.26'7.33) in 30'39 years, and 1.75 (95% CI 0.89'3.45) in $40 years, for anatomically classified surgical procedures. Similar figures were obtained for etiologically classified surgical procedures. Conclusions: Risk of surgical-acquired sCJD depends on age at exposure; this pattern is similar to age-specific profiles reported for CJD accidentally transmitted by human pituitary-derived growth hormone and susceptibility curves for variant CJD estimated after adjustment for dietary exposure to bovine spongiform encephalopathy. There might be an age-atexposure- related susceptibility to acquire all CJD forms, including sCJD from routine surgery.
CITATION STYLE
De Pedro-Cuesta, J., Mahillo-Fernandez, I., Calero, M., Rábano, A., Cruz, M., Siden, A., … De Pedro Cuesta, J. (2014). Towards an Age-Dependent Transmission Model of Acquired and Sporadic Creutzfeldt-Jakob Disease. PLoS ONE, 9(10). https://doi.org/10.1371/journal.pone.0109412
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