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[De novo diabetic glomerulosclerosis in kidney transplants]
Abstract:
Report on 3 cases who had been non-diabetics at the time of cadaver kidney transplantation. After that within 1-5 years diabetes mellitus developed. The patients died 13-14 years after transplantation (9-12 years of diabetes duration). Autopsy revealed typical nodular glomerulosclerosis including diffuse mesangial widening, glomerular aneurysms, exudative lesions, capsular drops, arteriolosclerosis, and in 2 cases with hyalinosis of the vas efferens; moreover, chronic transplant glomerulopathy was found in all cases. Steroid therapy seemed to be responsible for the diabetic state, in 2 cases apparently in combination with disposition.
Insights
Kidney transplant recipients can develop diabetes mellitus within years, potentially linked to steroid therapy. Autopsies revealed significant kidney damage, including glomerulosclerosis and transplant glomerulopathy.
Area of Science:
- Nephrology
- Transplantation Immunology
- Endocrinology
Background:
- Post-transplant diabetes mellitus (PTDM) is a significant complication after kidney transplantation.
- Long-term outcomes and pathological changes associated with PTDM require further investigation.
Observation:
- Three non-diabetic recipients developed diabetes mellitus 1-5 years post-cadaveric kidney transplantation.
- Patients survived 13-14 years post-transplant with 9-12 years of diabetes duration.
Findings:
- Autopsies showed nodular glomerulosclerosis, diffuse mesangial widening, glomerular aneurysms, exudative lesions, capsular drops, and arteriolosclerosis.
- Hyalinosis of the vas efferens was noted in two cases.
- Chronic transplant glomerulopathy was a consistent finding in all cases.
Implications:
- Steroid therapy is implicated as a primary cause of post-transplant diabetes mellitus.
- Genetic predisposition may contribute to PTDM development in conjunction with immunosuppression.
- Understanding these pathological changes is crucial for managing PTDM and improving long-term transplant outcomes.