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相关概念视频

Hemodialysis III: Nursing Management01:25

Hemodialysis III: Nursing Management

196
The nursing management of a patient undergoing hemodialysis includes several critical steps, starting with a thorough assessment before the procedure.Before the Hemodialysis ProcedureFirst, record the patient's vital signs—blood pressure, heart rate, respiratory rate, and temperature—to establish a baseline. This baseline is essential for detecting conditions such as hypotension that could impact the patient's response to dialysis. Document the patient's pre-dialysis weight, as this...
196
Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

310
Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
310
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

146
DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
146
Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

156
Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
156
Peritoneal Dialysis III: Nursing Management01:25

Peritoneal Dialysis III: Nursing Management

157
Peritoneal dialysis, or PD, utilizes the peritoneal membrane as a filter to eliminate excess fluid and waste products. Effective nursing management is essential for ensuring patient safety, preventing complications, and promoting optimal function of the peritoneal dialysis process.Assessment and MonitoringNurses must thoroughly assess the patient before, during, and after each dialysis session. Regular monitoring includes vital signs, daily weight, fluid intake and output, and laboratory values...
157
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

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In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
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相关实验视频

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使用无幻影QCT评估维护血液透析患者的BMD演变.

Yuwen Shen1, Qing Hua2, Xinyu Pan1

  • 1Department of Medical Imaging, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School of Nanjing Medical University, No.242, GuangJi Road, Suzhou, 215008, Jiangsu, China.

Scientific reports
|July 1, 2025
PubMed
概括

在接受维持血液透析 (MHD) 的患者中,骨矿物质密度 (BMD) 最初会下降,但随着时间的推移可能会恢复. 无幻影定量计算断层扫描 (PL-QCT) 能够有效地追踪这些骨密度变化.

关键词:
骨矿物质密度 骨矿物质密度进化 进化 进化 进化 进化 进化 进化血液透析的持续时间维护血液透析的维护血液透析.没有幻影的定量计算断层扫描.

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科学领域:

  • 腎臟病學 (nephrology) 是一種醫學.
  • 放射学 放射学是一门学科.
  • 骨的新陈代谢 骨的新陈代谢

背景情况:

  • 维护血液透析 (MHD) 与显著的骨矿物质密度 (BMD) 损失有关.
  • 监测BMD变化对于管理MHD患者并发症至关重要.

研究的目的:

  • 在接受MHD的患者中,研究胸脊椎,全部和股骨部的BMD纵向演变.
  • 评估幻影减小定量计算断层扫描 (PL-QCT) 在评估随时间变化的骨质量变化的有效性.

主要方法:

  • 使用PL-QCT分析了MHD患者的前性和后性队列.
  • 在基线和多个时间点进行透持续时间长达5年的骨髓质量测量.
  • 根据血液透析持续时间对患者进行分组,以分析BMD趋势.

主要成果:

  • 在MHD的前36个月内,胸腔椎骨质量下降,然后逐渐增加,在60个月后显著超过透析前水平.
  • 在36个月内,部和大腿部全身 BMD 也有所下降,显示出较慢的恢复趋势,在72个月后达到基线水平.
  • PL-QCT证明了它在跟踪这些动态的BMD变化中的实用性.

结论:

  • 患有MHD患者的骨质神经损伤表现出双相模式:最初的衰退之后可能会恢复,特别是在胸脊柱.
  • 推的监测策略包括在前3年内对胸椎和部进行QCT,以及对胸椎进行长期 (5年以上) 随访.
  • PL-QCT是对MHD患者的BMD综合性评估的一个有价值的工具.