2009
DOI: 10.3201/eid1502.080749
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Medical Procedures and Risk for Sporadic Creutzfeldt-Jakob Disease, Japan, 1999–2008

Abstract: Surgery or blood transfusion had little effect on the incidence of sCJD.

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Cited by 27 publications
(62 citation statements)
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“…Furthermore, the other patient in the present study (case 2), who also showed distinctive phenotype and transmission properties similar to those of plaque-type dCJD, had a medical history of neurosurgery without dura mater grafting, suggesting that she might have also been infected through cross-contamination from operative instruments. During the period 1999 to 2008, the Japanese CJD Surveillance registry listed 6 of 760 sCJD patients who had undergone neurosurgery after the onset but before the diagnosis of sCJD (27). Although none of the individuals exposed to possibly contaminated instruments has developed CJD (as of September 2014), the ensemble of these observations suggests that the potential risk of iatrogenic transmission via neurosurgical procedures may be greater than is presently appreciated.…”
Section: Discussionmentioning
confidence: 81%
“…Furthermore, the other patient in the present study (case 2), who also showed distinctive phenotype and transmission properties similar to those of plaque-type dCJD, had a medical history of neurosurgery without dura mater grafting, suggesting that she might have also been infected through cross-contamination from operative instruments. During the period 1999 to 2008, the Japanese CJD Surveillance registry listed 6 of 760 sCJD patients who had undergone neurosurgery after the onset but before the diagnosis of sCJD (27). Although none of the individuals exposed to possibly contaminated instruments has developed CJD (as of September 2014), the ensemble of these observations suggests that the potential risk of iatrogenic transmission via neurosurgical procedures may be greater than is presently appreciated.…”
Section: Discussionmentioning
confidence: 81%
“…The search on reports up to 2011 provided 20 full-text documents on 18 case-control studies on CJD where BT or medical procedures were mentioned as potential exposures in the Methods or Results, either as the primary subject of study or as one of a number of potential risk factors, e.g. genetic, occupational or dietary [4,5,9,10,13,14,15,16,17,26,27,28,29,30,31,32,33,34,35,36] (see fig. 1 for details of the selection flow).…”
Section: Methodsmentioning
confidence: 99%
“…In order to improve completeness, 5 research reports, 3 of which were published before 1990, and 2 recent papers on BT and surgical history were added [13,14,15,16,17]. Thirty-three documents pertaining to case-control studies and several studied cohorts [4,5,6,7,8,9,10,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38] were examined in full text. Thirteen were excluded from the systematic review since: (a) they focused on biographic residential space-time relationships [19]; (b) they were methodological [6,7,8,20]; (c) they focused on the follow-up of national single cohorts of persons exposed to treatment with human pituitary growth hormones in the UK, The Netherlands and the USA [18,21,22,23,24], or with BT or plasma products without data on nonexposed persons [37,38], or (d) they related to human dura mater graft recipients [25].…”
Section: Methodsmentioning
confidence: 99%
“…Medical procedures such as neurosurgery and ophthalmic surgery before the diagnosis of CJD may be associated with risk of secondary transmission of CJD through contaminated instruments. Our recent study revealed that 0.8% of patients with CJD underwent neurosurgery after the onset, but before the diagnosis of CJD, and Noguchi-Shinohara et al 14 1.8% of patients with sporadic CJD ophthalmic surgery [21]. Measurement of serum-tau before neurosurgery and ophthalmic surgery in patients with dementia may be a simple and useful tool for the screening of CJD.…”
Section: Discussionmentioning
confidence: 99%