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[Enzymatic and morphologic studies on long-term perfused dog kidneys].
Zeitschrift Fur Experimentelle Chirurgie
|January 1, 1978
Summary
Kidney ischemia and perfusion studies reveal that organs with less initial damage show lower LDH activity in early perfusion stages. This indicates irreversible damage in more severely injured kidneys.
Area of Science:
- Nephrology
- Organ Perfusion
- Ischemia Research
Context:
- Long-term perfusion models are crucial for understanding organ viability.
- Assessing kidney injury requires multi-faceted diagnostic approaches.
Purpose:
- To evaluate kidney damage markers during prolonged perfusion.
- To correlate early biochemical changes with ultrastructural alterations in ischemic kidneys.
Summary:
- Canine and human kidneys underwent 24-hour perfusion with serial examinations.
- Lower lactate dehydrogenase (LDH) activity in early stages correlated with less initial ischemic injury.
- Severe initial injury led to ultrastructural changes similar to those after 24 hours, suggesting irreversible damage.
Impact:
- Provides insights into early indicators of irreversible kidney damage post-ischemia.
- Informs strategies for organ preservation and transplantation assessment.
- Highlights the utility of LDH activity as a predictive marker for kidney injury severity.