急性腎臓損傷による急性腎臓損傷
Rinaldo Bellomo1, John A Kellum, Claudio Ronco
1Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia. rinaldo.bellomo@austin.org.au
Lancet (London, England)
|May 24, 2012
まとめ
急性腎臓損傷 (AKI) は,腎臓機能の急速な低下であり,しばしば入院患者で発生する. AKIは逆戻り可能ですが,慢性腎臓病を発症するリスクを大きく高めます.
科学分野:
- ネフロロジーは腎臓科
- クリティカルケア・メディシン
背景:
- 急性腎損傷 (AKI) は,腎臓の排泄機能の急速な喪失によって特徴付けられます.
- これは,入院および重症患者の一般的な合併症であり,しばしば外部要因に起因する.
- AKIの現在の治療は主に補助的なもので,回復を逆転させたり加速させたりする特定の治療法はありません.
研究 の 目的:
- 急性腎損傷に関する現在の理解を要約すると,
- 診断上の課題と新興技術を強調する.
- 治療方法と長期的な結果について議論する.
主な方法:
- 急性腎損傷に関する既存の文献のレビュー.
- 診断基準と臨床症状の分析.
- 治療戦略と患者のアウトカムの検討.
主要な成果:
- AKIは,尿素とクレアチニンの上昇や尿量の減少などのマーカーによって診断されます.
- エクストラレナル・イベントは重症患者の頻発原因であるが,そのメカニズムは未だに議論されている.
- 腎置換療法は,重度のAKI症例に使用されます.
- 透析による独立への回復は,以前に慢性腎臓病がなかった生存者の典型です.
結論:
- 新しい腎臓バイオマーカーによる早期診断は,患者のアウトカムを改善する可能性があります.
- AKIの生存者は,慢性腎臓病を発症するリスクが高くなります.
- AKIの病原性を理解し,ターゲットを絞った治療法を開発するためにさらなる研究が必要です.
関連する概念動画
Acute Kidney Injury I: Introduction
Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
Acute Kidney Injury IV: Diagnostic Studies and Prevention
Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
Acute Kidney Injury II: Pathophysiology
Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
Acute Kidney Injury V: Interprofessional Care
Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
Acute Kidney Injury III: Clinical Manifestations
Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
Acute Kidney Injury VI: Nursing Management
Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...

