CKD Definition Structural Damage — ESENeph MCQ

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EasyChronic Kidney DiseaseCKD Definition Structural DamageESENeph

A 30-year-old woman with CKD G2A1 (eGFR 82, uACR 1.5 mg/mmol) from childhood reflux nephropathy asks whether she has CKD. Her eGFR has been stable for 3 years. According to KDIGO 2024, what defines CKD?

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Correct answer: D — Abnormalities of kidney structure or function present for >3 months with health implications – CKD can be diagnosed with eGFR <60 OR markers of kidney damage (structural abnormalities, albuminuria, electrolyte disturbances from tubular disorders, histological abnormalities, imaging abnormalities) even with normal eGFR

KDIGO 2024 defines CKD as abnormalities of kidney structure or function present for >3 months with health implications. CKD can exist with eGFR ≥60 if there are markers of kidney damage: albuminuria (ACR ≥3 mg/mmol), abnormal urine sediment, electrolyte/acid-base disturbances from tubular disorders, histological abnormalities, structural abnormalities detected by imaging, or history of kidney transplantation. This patient has structural abnormalities (reflux nephropathy) confirming CKD G2A1 despite normal-range eGFR.

Reference: KDIGO 2024 – CKD Guideline (Definition and Classification)