関連する実験動画
Updated: May 21, 2026
09:16
Assessment of Kidney Function in Mouse Models of Glomerular Disease
Published on: June 30, 2018
CKD-EPI方程式とMDRD試験方程式を用いたリスク予測の比較で,推定される球フィルタレーション率について調べました
Kunihiro Matsushita1, Bakhtawar K Mahmoodi, Mark Woodward
1Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.
JAMA
|May 10, 2012
まとめ
CKD-EPI方程式は,MDRD方程式と比較して,腎機能と関連する死亡リスクをより正確に評価します. この改善された推定は,慢性腎臓病 (CKD) と関連するアウトカムのリスクのある個人をより良く特定するのに役立ちます.
科学分野:
- ネフロロジーは腎臓科
- エピデミオロジー エピデミオロジー
- バイオ統計学 バイオ統計学
背景:
- CKD-EPI方程式は,MDRDよりも,特により高いGFRレベルでは,より正確なGFR推定を提供します.
- 多様な集団におけるCKD-EPI方程式のリスクへの影響に関する証拠は限られている.
研究 の 目的:
- CKD-EPI対MDRD方程式を用いた推定GFR (eGFR) のリスクインパクトを比較する.
- これらの方程式を,多様な人口統計的および臨床的特徴を持つ集団で評価する.
主な方法:
- 一般的,高リスク,CKDのコホートで110万人の成人のデータをメタ分析した.
- すべての原因による死亡率,心血管疾患による死亡率,末期腎疾患 (ESRD) の分析 9.4 百万人年.
主要な成果:
- CKD-EPIは,一般人口の24.4%の参加者をより高いeGFRカテゴリーに再分類し,CKDの罹患率を8.7%から6.3%に引き下げました.
- CKD-EPIによってeGFR 45-59から60-89mL/min/1.73m2に再分類された参加者は,著しく低い死亡率とESRD率を示しました.
- 純再分類の改善は,さまざまなサブグループにおけるすべてのアウトカムでポジティブでした.
結論:
- CKD-EPI方程式は,MDRD方程式と比較して,CKDを有する個人が少ないことを特定します.
- CKD-EPIは,さまざまな集団における死亡率とESRDのより正確なリスク分類を提供します.
関連する概念動画
01:17Factors Affecting Renal Clearance: Renal Impairment
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
01:25Drug Dosing in Renal Diseases: Measurement of Glomerular Filtration Rate
The glomerular filtration rate (GFR) is a critical indicator of kidney health, reflecting how well the kidneys filter blood. Changes in GFR can signal potential kidney impairment, necessitating accurate measurement methods to monitor kidney function effectively.Various molecules can serve as markers for GFR measurement, with the ideal marker meeting several specific criteria. It must freely filter at the glomerulus, avoid reabsorption or secretion by the renal tubules, remain unmetabolized, not...
01:25Drug Dosing in Renal Diseases: Measurement of Serum Creatinine Concentration and Clearance
In healthy individuals, serum creatinine levels remain stable due to a balance between its constant production—primarily from muscle metabolism—and renal excretion. Creatinine is freely filtered by the glomeruli, making it a valuable marker for estimating renal function. When the glomerular filtration rate (GFR) decreases, the kidneys can only eliminate less creatinine, causing serum levels to rise.Serum creatinine concentration is widely used to estimate creatinine clearance (Clcr), a...
01:28Drug Dosing in Renal Diseases: Estimation of Glomerular Filtration Rate Based on Serum Creatinine Concentration
Glomerular filtration rate (GFR) can be estimated from serum creatinine using the modification of diet in renal disease (MDRD) formula or the chronic kidney disease–epidemiology collaboration (CKD–EPI) equation. Both methods are widely used in clinical practice to assess kidney function and guide treatment decisions.The MDRD equation does not require weight or height measurements and is normalized to the body surface area of 1.73 m², considered the average adult surface area. This equation is...
01:25Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant
In patients with renal disease, dosage adjustments are necessary to maintain therapeutic plasma drug concentrations and prevent toxicity or subtherapeutic exposure. Renal impairment alters drug pharmacokinetics, especially in conditions like uremia, where changes such as prolonged elimination half-life and altered apparent volume of distribution can significantly affect drug disposition. These changes require careful modification of the dosing regimen to achieve the desired clinical...
01:28Chronic Kidney Disease III: Interprofessional Care
Chronic kidney disease (CKD) requires collaborative and comprehensive management. CKD progresses through stages and can lead to end-stage kidney disease (ESKD) if untreated. Interprofessional collaboration and patient education are crucial, enabling patients to manage their health and improve their quality of life.Diagnostic approach for chronic kidney diseaseThe diagnosis of CKD primarily focuses on the glomerular filtration rate (GFR), which assesses kidney function by measuring how well...