在非功能性垂体腺瘤的内透手术后,早期出现低血的预测因素
William Zeng1, Apurva Prasad1, Amara Emeh1
11Keck School of Medicine, University of Southern California, Los Angeles, California.
Journal of neurosurgery
|April 11, 2025
概括
早发性低血症在下垂体手术后很常见. 低BMI, thiazide使用和高葡萄糖等因素会增加风险,而更高的BMI是保护性的.
科学领域:
- 内分泌学 在内分泌学.
- 神经外科 神经外科
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 转状垂体手术是垂体腺瘤的常见手术.
- 低血清水平的低血症是潜在的术后并发症.
- 低血症的早期发现和治疗对于患者的治疗结果至关重要.
研究的目的:
- 为了确定手术前,手术前和手术后的风险因素,以确定经过脑下垂体外科手术后早期的低血.
- 在患有非功能性垂体腺瘤 (NFPAs) 的患者中描述低血的发生率和预测因素.
主要方法:
- 一个单一机构的数据库对接受PA手术的患者进行了回顾性分析.
- 在术后监测血清水平.
- 使用统计分析,包括单变量和多变量逻辑回归,以确定早期低血的独立预测因素.
主要成果:
- 25.6%的NFPA患者 (65/254) 患有早期开始的低血症.
- 多变量分析确定了 thiazide 利尿剂使用 (OR 7.84),垂体脑梗塞 (OR 21.33),手术前葡萄糖升高 (OR 1.16 每 10 mg/dl),以及BMI > 27 kg/m2 (OR 0.05) 作为显著预测因素.
- 发现更高的BMI可以防止早期的低血症.
结论:
- 早期开始的低血是NFPAs转状垂体手术后经常出现的并发症.
- 临床因素,如低BMI, thiazide利尿剂的使用,和高的手术前葡萄糖与增加的风险有关.
- 识别高风险患者可以改善术后低血的监测和治疗策略.
相关概念视频
Renal Tubule and Collecting Duct
546
The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
546
Antihypertensive Drugs: Potassium-Sparing Diuretics
410
Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
410
Regulation of Sodium and Potassium
259
The regulation of sodium and potassium ion concentrations in the human body is a complex process governed primarily by hormones such as aldosterone, antidiuretic hormone (ADH), and atrial natriuretic peptide (ANP).
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
259
Regulation of Water Intake
375
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
375
Formation of Concentrated Urine
1.1K
There is a gradient of solutes in the interstitial fluid from the renal cortex through the medulla, known as the medullary osmotic gradient. The juxtamedullary nephrons establish and maintain this gradient using countercurrent mechanisms with loops extending deep into the medulla. These nephrons also use countercurrent mechanisms to regulate urine volume and concentration. The interaction between the descending and ascending limbs of the nephron loop creates an osmotic gradient through...
1.1K


