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At least 829 records · Page 46Linked to original sources
PubMed1994

Iatrogenic Creutzfeldt-Jakob disease in three growth hormone recipients: a neuropathological study.

Since 1985, several cases of Creutzfeldt-Jakob disease, occurring after a treatment by human cadaveric hormone have been reported. Three new iatrogenic cases observed in French patients (two children and one young adult) are described here. Neuropathological study displayed the classical aspects of previously reported sporadic cases of Creutzfeldt-Jakob disease in adults, including severe cortical spongiform change with numerous vacuoles within neuronal dendrites, diffuse astrogliosis and neuronal loss. In addition, the iatrogenic cases described here included two more unusual points: (i) they were homozygotic for the PrP gene on codon 129 and therefore a genetic predisposition could be suspected; (ii) numerous kuru plaques were scattered in the cerebral cortex, the subcortical white matter and in the cerebellar cortex. They were decorated with a PrP monoclonal antibody, but not with a beta A4 antibody. This last point underlines the similarities between iatrogenic Creutzfeldt-Jakob disease and kuru.

Adult↗
PubMed2004

The modern landscape of transfusion-related iatrogenic Creutzfeldt-Jakob disease and blood screening tests.

The idea that blood in naturally occurring transmissible spongiform encephalopathies is not infectious has imploded in the face of recent transmissions from the blood of naturally occurring scrapie in sheep and of variant Creutzfeldt-Jakob disease in humans. Although donor exclusion criteria ensure that the number of any further iatrogenic cases will be small, the risk of future blood-borne disease transmissions could be entirely eliminated by a diagnostic preclinical screening test. A variety of methodological approaches to blood testing are under development, with different levels of success, but no method has yet achieved the critical goal of discriminating transmissible spongiform encephalopathy-infected from healthy uninfected humans.

Blood Donors↗
PubMed1994

[Iatrogenic Creutzfeldt-Jakob disease. Lessons from cases secondary to extracted growth hormone in France].

Thirty cases of Creutzfeldt-Jakob disease (CJD) after cadaveric growth hormone treatment have been counted by the National Reference Center for iatrogenic CJD. The clinic presentation is homogeneous, beginning by neurological troubles (diplopia, unsteady gait) evolving rapidly in few months towards a severe neurological deterioration, insanity and death. All patients were treated between January 1984 and July 1985. The risk to transmit CJD with treatments of human origin (pituitary derived treatment, blood, placentas and corneal and dura mater graft) is analyzed. The selection of donors and techniques of purification on the one hand, the rigor of the indication and the quality of the followup on the other hand, are the only guarantees to reduce the risks secondary to utilization of products of human origin.

Adult↗
PubMed1983

[Iatrogenic and environmentally induced diseases of the liver in old age: viral hepatitis in old age].

Elderly people rarely develop hepatitis A, because of their acquired immunity, but they are more exposed to hepatitis-B and -nonAnonB infections. The course of viral hepatitis is usually more severe and more prolonged, the mortality of fulminant hepatitis is higher, and the risk of developing chronic hepatitis B is increased. There exists an association between chronic hepatitis B virus infection, old age, and the incidence of hepatoma. Exposed elderly persons should be vaccinated against hepatitis B but it might be necessary to give them additional booster doses in order to achieve sufficient antibody production.

Adult↗
PubMed2004

Lyodura use and the risk of iatrogenic Creutzfeldt-Jakob disease in Australia.

Although infectiousness is a feature of Creutzfeldt-Jakob disease (CJD), only a small proportion of cases are linked to transmission through healthcare provision. As of January 2003, over 120 cases of CJD associated with use of human cadaveric dura mater had been recognised worldwide; almost all were associated with the commercial product Lyodura. Most cases (97) have occurred in Japan, giving an overall risk estimate of around 1 per 2268 patients treated with Lyodura (0.04%) in that country. In Australia, five cases of CJD have so far been linked to Lyodura, but, given the protracted tails of previous epidemics of transmissible spongiform encephalopathies, further cases are possible. Results of surveys of Lyodura use in Australia are incomplete, but information from the manufacturer suggests that 2208-2478 sheets of Lyodura may have been used here. This use translates to a relatively high incidence of Lyodura-associated CJD, with current overall rates appearing around five times higher than those reported in Japan; reasons for this difference are unclear.

Australia↗
PubMed2006

Alzheimer-type neuropathology in a 28 year old patient with iatrogenic Creutzfeldt-Jakob disease after dural grafting.

We report the case of a 28 year old man who had received a cadaverous dura mater graft after a traumatic open skull fracture with tearing of the dura at the age of 5 years. A clinical suspicion of Creutzfeldt-Jakob disease (CJD) was confirmed by a brain biopsy 5 months prior to death and by autopsy, thus warranting the diagnosis of iatrogenic CJD (iCJD) according to WHO criteria. Immunohistochemistry showed widespread cortical depositions of disease associated prion protein (PrP(sc)) in a synaptic pattern, and western blot analysis identified PrP(sc) of type 2A according to Parchi et al. Surprisingly, we found Alzheimer-type senile plaques and cerebral amyloid angiopathy in widespread areas of the brain. Plaque-type and vascular amyloid was immunohistochemically identified as deposits of beta-A4 peptide. CERAD criteria for diagnosis of definite Alzheimer's disease (AD) were met in the absence of neurofibrillar tangles or alpha-synuclein immunoreactive inclusions. There was no family history of AD, CJD, or any other neurological disease, and genetic analysis showed no disease specific mutations of the prion protein, presenilin 1 and 2, or amyloid precursor protein genes. This case represents (a) the iCJD case with the longest incubation time after dural grafting reported so far, (b) the youngest documented patient with concomitant CJD and Alzheimer-type neuropathology to date, (c) the first description of Alzheimer-type changes in iCJD, and (d) the second case of iCJD in Austria. Despite the young patient age, the Alzheimer-type changes may be an incidental finding, possibly related to the childhood trauma.

Adolescent↗