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eGFR・腎臓健康ブログ

eGFR、CKDステージ、クレアチニン、腎にやさしい生活、検査値の読み方に関する詳しい記事。

Diet & Lifestyle

eGFR Stage 3 CKD: Diet, Symptoms & Slowing Progression

A practical guide to CKD stage 3 (eGFR 30–59): common symptoms, what to eat and limit, key treatments, and lifestyle steps that slow kidney decline.

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Understanding Results

Low eGFR Causes Beyond Kidney Disease: Dehydration, Diet & Drugs

A lower-than-expected eGFR does not always mean CKD. Learn the common non-kidney causes — dehydration, diet, medications, exercise — and when to retest.

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Understanding Results

eGFR Normal Range for Women vs Men: Does Sex Change Results?

How biological sex affects eGFR, why the CKD-EPI 2021 equation includes a sex coefficient, and whether normal eGFR differs between women and men.

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Medication

eGFR and Medication Dosing: Metformin, Gabapentin & Renal Adjustment

How eGFR guides medication dosing for kidney-safe prescriptions, with renal dosing examples for metformin, gabapentin, and other common drugs across CKD stages.

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Calculation

CKD-EPI 2021 vs MDRD: Which eGFR Equation Is More Accurate?

How the CKD-EPI 2021 equation compares to the older MDRD formula, why CKD-EPI replaced it, and what changed when race was removed from the calculation.

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Calculation

Creatinine Clearance vs eGFR: What's the Difference?

Creatinine clearance (Cockcroft-Gault) and eGFR (CKD-EPI) measure related but different things. Learn how they differ, when each is used, and why they are not interchangeable.

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Calculation

How to Calculate eGFR from Serum Creatinine (CKD-EPI 2021)

Step-by-step guide to calculating eGFR from serum creatinine, age, and sex using the CKD-EPI 2021 equation, with units, a worked example, and accuracy tips.

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Understanding Results

eGFR 60 Meaning: Is It Stage 2 Kidney Disease?

What an eGFR of 60 really means, how CKD stage G2 is defined, when an eGFR of 60–89 is concerning, and the next steps to take after your blood test.

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Understanding Results

What Is a Good eGFR Level by Age? Normal Ranges Chart

A clear chart of normal eGFR ranges by age, what a 'good' eGFR means, how aging affects kidney function, and when a lower number is actually normal.

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