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[How I evaluate...diabetic nephropathy. First part: micro- and macroalbuminuria]
L Weekers1, A J Scheen, P J Lefebvre
1Département de Médecine, Université de Liège.
Revue Medicale De Liege
|November 12, 1998
Summary
Diabetic nephropathy (DN) affects many with diabetes. Early detection of microalbuminuria, an indicator of kidney damage, is crucial for timely intervention and slowing disease progression.
Area of Science:
- Nephrology
- Endocrinology
- Diabetology
Context:
- Diabetic nephropathy (DN) affects a significant portion of patients with type 1 (30%) and type 2 diabetes (15-60%).
- Microalbuminuria, defined by specific albumin excretion rates, precedes DN and is a key diagnostic marker.
- Persistent microalbuminuria indicates a high risk of progression to DN and, in type 2 diabetes, cardiovascular mortality.
Purpose:
- To highlight the prevalence and progression of diabetic nephropathy.
- To define microalbuminuria and its diagnostic criteria.
- To emphasize the importance of screening for microalbuminuria in diabetic patients.
Summary:
- Microalbuminuria is a critical early sign of diabetic kidney disease, affecting a substantial number of diabetic individuals.
- Screening methods include 24-hour urine collection, overnight collection, dipstick tests, and albumin-to-creatinine ratio.
- Early detection and intervention with treatments like ACE inhibitors can slow DN progression and reduce cardiovascular risk.
Impact:
- Annual screening for microalbuminuria should be standard in diabetic patient care.
- Identifying microalbuminuria allows for timely treatment, potentially preventing end-stage renal disease.
- In type 2 diabetes, managing microalbuminuria can mitigate the risk of cardiovascular mortality.