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Pathological lesions in senile diabetes: possible pathogenetic interpretations.
G Carnazzo1, D Rosso, F Di Stefano
1Institute of Internal Medicine and Geriatrics, University of Catania, Ospedale Cannizzaro, Via Messina, 829, l-95126 Catania, Italy.
Archives of Gerontology and Geriatrics
|January 1, 1996
Summary
This study reveals that elderly diabetics exhibit distinct pancreatic and kidney damage. Senile diabetes primarily stems from macroangiopathy, worsened by hyperglycemia-induced microangiopathy.
Area of Science:
- Gerontology
- Endocrinology
- Pathology
Background:
- Elderly individuals with diabetes present unique pathological challenges.
- Understanding the specific organ damage in aged diabetics (AD) and senile diabetics (SD) is crucial.
Purpose of the Study:
- To compare pathohistological alterations in the kidney and pancreas of aged diabetics (AD) and senile diabetics (SD).
- To differentiate damage based on the age of diabetes onset and duration.
Main Methods:
- Comparative pathohistological analysis of kidney and pancreas tissues.
- Inclusion of control groups: non-diabetic elderly and middle-aged non-insulin dependent diabetics (NIDDM) with varying disease durations.
Main Results:
- Non-diabetic elderly and short-term NIDDM showed no significant damage.
- Long-term NIDDM, AD, and SD (disease >10 years) exhibited characteristic diabetic damage (islet hyalinization, arteriolar damage).
- SD (disease <6 years) showed less severe pancreatic changes and age-related kidney damage, suggesting macroangiopathy as a primary driver.
Conclusions:
- Senile diabetes pathogenesis is strongly linked to macroangiopathy, exacerbated by hyperglycemia.
- Kidney and pancreatic damage in elderly diabetics correlate with disease duration and onset age.
- Distinct pathological profiles exist between aged and senile diabetes, influenced by underlying vascular pathology.
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