第2回ADQIカンファレンス(2002年イタリア・ビチェンツア)で新たに提唱された急性腎不全の診断・分類・重症度の分類
Risk, Injury, Failure, Loss of kidney function and End stage of kidney disease という視点で分類。

	GFR による診断	尿流量による診断
リスク（R）	血清クレアチニン値×1.5＜ or GFR 低下＞25 ％	尿流量＜0.5 ml/kg/hr×6 hr
障害（I）	血清クレアチニン値×2＜ or GFR 低下＞50 ％	尿流量＜0.5 ml/kg/hr×12 hr
機能不全（F）	血清クレアチニン値×3＜ or GFR 低下＞75 ％， or 血清クレアチニン値≧4 mg/dl で 0.5 mg/dl の急性上昇を伴う	尿流量＜0.3 ml/kg/hr×24 hr 無尿×12 hr （Anuria×12 hrs）
腎機能喪失（L）	4 週以上持続する急性腎不全
末期腎不全（E）	3 カ月以上回復しない腎不全

参考

2. Acute renal failure - definition, outcome measures, animal models, fluid therapy and information technology needs: the Second International Consensus Conference of the Acute Dialysis Quality Initiative (ADQI) Group.

Bellomo R, Ronco C, Kellum JA, Mehta RL, Palevsky P; Acute Dialysis Quality Initiative workgroup.SourceDepartment of Intensive Care and Medicine, Austin Health, Melbourne, Australia. rinaldo.bellomo@austin.org.au
Critical care (London, England).Crit Care.2004 Aug;8(4):R204-12. Epub 2004 May 24.
INTRODUCTION: There is no consensus definition of acute renal failure (ARF) in critically ill patients. More than 30 different definitions have been used in the literature, creating much confusion and making comparisons difficult. Similarly, strong debate exists on the validity and clinical relevanc
PMID 15312219

WordNet

go through in search of something; search through someones belongings in an unauthorized way; "Who rifled through my desk drawers?" (同)go
a shoulder firearm with a long barrel and a rifled bore; "he lifted the rifle to his shoulder and fired"