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Related Concept Videos

Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
Blood Transfusion01:15

Blood Transfusion

Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are not...
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
Kidney Transplant I: Introduction01:28

Kidney Transplant I: Introduction

A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...

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Related Experiment Video

Updated: Jun 17, 2026

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
05:23

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

[Transfusion in clinical practice in geriatric wards].

M Siriwardana1, S Moulias, S Benisty

  • 1Service de gérontologie 4, hôpital Charles-Foix, 94200 Ivry-sur-Seine, France.

La Revue De Medecine Interne
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

Transfusion practices in geriatric medicine show specific features, differing from recommendations. Further studies are needed to validate current blood transfusion methods in elderly patients.

Related Experiment Videos

Last Updated: Jun 17, 2026

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
05:23

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

Area of Science:

  • Geriatric Medicine
  • Hematology
  • Clinical Practice

Background:

  • Lack of specific guidelines for blood transfusions in elderly patients.
  • Need to assess current transfusion practices in geriatric medicine.

Purpose of the Study:

  • To survey and assess blood transfusion practices in geriatric medicine.
  • To compare current practices with existing recommendations.

Main Methods:

  • A descriptive, national, cross-sectional survey.
  • Involved 14 French geriatric departments.
  • Analyzed data from 70 randomly selected patients receiving transfusions.

Main Results:

  • Indicators of poor tolerance (confusion, somnolence, heart failure) differed from established criteria in most cases.
  • Transfusion thresholds used in 45% of cases deviated from recommendations.
  • Heart failure was the primary adverse event observed.

Conclusions:

  • Transfusion practices in geriatric patients exhibit unique characteristics regarding anemia tolerance and thresholds.
  • Further research is required to validate the appropriateness of these observed practices.