对手术内低血压作为术后急性损伤风险因素的分析队列研究
Vishal Mruthyunjaya Kalmani1, Dhyaneshwar Ra2, Yeruva Bheemeswara Reddy3
1Department of Surgery, Barking Havering and Redbridge University Hospitals NHS Trust, Essex, United Kingdom.
Bioinformation
|December 30, 2025
概括
在外科手术中低血压 (平均动脉压<65 mmHg) 显著增加了重大手术后急性损伤 (AKI) 的风险. 保持适当的血压可能有助于预防这些严重的并发症.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 麻醉学 麻醉学
- 外科手术的结果
背景情况:
- 急性损伤 (AKI) 是一个重要的术后并发症.
- 术内低血压 (IOH) 是AKI的一个可修改的风险因素.
- 大型非心脏手术带来脏并发症的风险.
研究的目的:
- 为了研究手术内低血压和术后AKI之间的关联.
- 在接受重大非心脏手术的患者中确定AKI的预测因子.
主要方法:
- 145名成年患者的队列分析研究.
- 定义IOH为≥15分钟的平均动脉压<65mmHg.
- 利用多变量分析来确定AKI的独立预测因素.
主要成果:
- 患有IOH的患者有明显更高的术后AKI发病率.
- 独立预测AKI的因素包括IOH,慢性脏病和延长的手术时间.
结论:
- 在大手术期间,血液动力学监测至关重要.
- 保持平均动脉压≥65mmHg可能会减少手术后的脏并发症.
相关概念视频
Acute Kidney Injury IV: Diagnostic Studies and Prevention
238
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...
238
Acute Kidney Injury I: Introduction
500
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...
500
Acute Kidney Injury II: Pathophysiology
834
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...
834
Acute Kidney Injury III: Clinical Manifestations
754
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...
754
Acute Kidney Injury VI: Nursing Management
351
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...
351
Acute Kidney Injury V: Interprofessional Care
264
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...
264


