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Related Concept Videos

Dialysis01:27

Dialysis

261
Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
261
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...
63
Tracheostomy Care I: Pre-procedural Steps01:16

Tracheostomy Care I: Pre-procedural Steps

134
A tracheostomy is a surgical technique that involves making an incision in the neck to provide access to the trachea. It is frequently used in medical conditions such as airway obstruction and prolonged mechanical ventilation. Effective nursing management is crucial for the long-term success of a tracheostomy.
Required Equipment
The equipment necessary for tracheostomy care includes:
134
Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

98
Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
98
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

1
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
1
Formation of Dilute Urine01:20

Formation of Dilute Urine

1.3K
The formation of dilute urine is a critical renal adaptation that maintains fluid balance, particularly during periods of high fluid intake. This process primarily involves the juxtamedullary nephrons. By adjusting the permeability of water and ions in response to physiological conditions, the kidneys can either conserve or excrete water, resulting in concentrated or dilute urine.
Filtrate Osmolarity in the PCT
Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
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Updated: Jun 5, 2025

Surgical Techniques for Catheter Placement and 5/6 Nephrectomy in Murine Models of Peritoneal Dialysis
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Preparing a dialysis patient.

Thomas Coleman1, Ayan Dasgupta2, Christopher G Carsten1

  • 1Department of Vascular Surgery/Medicine, Prisma Health System, Greenville, SC.

Seminars in Vascular Surgery
|December 15, 2024
PubMed
Summary
This summary is machine-generated.

Optimal dialysis access placement requires early patient preparation, including thorough history, physical exams, and patient-centered discussions. This ensures reliable access, preserves future options, and improves outcomes for dialysis patients.

Keywords:
Arteriovenous fistulaArteriovenous graftCentral venous catheterChronic kidney diseaseDialysisVein mapping

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Area of Science:

  • Nephrology
  • Vascular Surgery
  • Medical Education

Background:

  • Dialysis access placement is often delayed, with patients initiating dialysis via catheters before adequate planning.
  • Timely and appropriate vascular access is crucial for effective hemodialysis and long-term patient well-being.

Purpose of the Study:

  • To outline the essential components of preparing dialysis patients for vascular access placement.
  • To emphasize a holistic approach integrating clinical assessment, patient preferences, and guidelines for optimal access selection and timing.

Main Methods:

  • Review of current best practices for dialysis access preparation.
  • Integration of KDOQI (Kidney Disease Outcomes Quality Initiative) guidelines for access selection and timing.
  • Emphasis on comprehensive history, vascular physical examination, and patient-centered communication.

Main Results:

  • A structured approach involving detailed patient evaluation and discussion leads to better-tailored access options.
  • Considering patient values and expectations alongside medical factors enhances long-term adherence and outcomes.
  • Early preparation minimizes reliance on temporary catheters and preserves future vascular access possibilities.

Conclusions:

  • Proactive and comprehensive preparation is key to successful dialysis access placement.
  • A holistic strategy, including patient engagement and adherence to guidelines, improves access function and patient outcomes.
  • Understanding adjunctive imaging modalities aids in achieving successful access placement.