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Related Concept Videos

Kidney Transplant I: Introduction01:28

Kidney Transplant I: Introduction

147
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...
147
Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

138
Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
138
Kidney Transplant III: Nursing Management01:16

Kidney Transplant III: Nursing Management

154
Postoperative Nursing Management for Kidney Transplant PatientsPostoperative nursing management care includes monitoring the surgical site, encouraging early movement, and promoting lung health through breathing exercises. Nurses also administer prescribed medications like H2-blockers, such as famotidine, or proton pump inhibitors, like omeprazole, to help prevent gastrointestinal ulcers and bleeding. Fungal infections in the mouth and bladder can result from immunosuppressive and antibiotic...
154
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

131
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...
131
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

278
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,...
278
Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant01:25

Drug Dosing in Renal Diseases: Dose Adjustments Based on Drug Clearance and Elimination Rate Constant

73
In patients with renal disease, dosage adjustments are necessary to maintain therapeutic plasma drug concentrations and prevent toxicity or subtherapeutic exposure. Renal impairment alters drug pharmacokinetics, especially in conditions like uremia, where changes such as prolonged elimination half-life and altered apparent volume of distribution can significantly affect drug disposition. These changes require careful modification of the dosing regimen to achieve the desired clinical...
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Related Experiment Video

Updated: Nov 14, 2025

Measurement of Tissue Oxygenation Using Near-Infrared Spectroscopy in Patients Undergoing Hemodialysis
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Relative decrease in hemoglobin and outcomes in patients undergoing kidney transplantation surgery: A retrospective

Sarah MacIsaac1, Agnihotram V Ramanakumar2, Chee Saw3

  • 1Faculty of Medicine, McGill University, Montreal, Quebec, Canada.

American Journal of Surgery
|March 12, 2021
PubMed
Summary

A significant drop in hemoglobin after kidney transplant (KT) predicts worse outcomes, including lower immediate graft function (IGF) and increased graft failure, regardless of the final hemoglobin level. This highlights the importance of monitoring relative hemoglobin changes.

Keywords:
AnemiaBlood transfusionHemoglobinKidney transplantationTransplant outcomes

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Last Updated: Nov 14, 2025

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Area of Science:

  • Nephrology
  • Transplantation Surgery
  • Anesthesiology

Background:

  • Recent surgical literature indicates relative hemoglobin decrease (ΔHb) predicts adverse outcomes.
  • The association between perioperative ΔHb and kidney transplantation (KT) outcomes requires examination.

Purpose of the Study:

  • To investigate the relationship between perioperative ΔHb and kidney transplantation outcomes.
  • To determine if ΔHb is an independent predictor of graft function and survival.

Main Methods:

  • Retrospective cohort study of 899 kidney transplant recipients.
  • ΔHb calculated as ([pre-KT Hb] - [lowest post-KT Hb]) / [pre-KT Hb] x 100.
  • Primary outcome: immediate graft function (IGF); secondary outcomes: graft failure, mortality, length of stay.

Main Results:

  • 38% of patients experienced IGF.
  • ΔHb was associated with 36% lower odds of IGF.
  • Higher ΔHb correlated with increased all-cause graft failure and longer hospital stay, but not death-censored graft failure or mortality.
  • A ΔHb threshold of ≥30% significantly reduced IGF odds, even with post-KT Hb ≥7 g/dL.

Conclusions:

  • Perioperative ΔHb is linked to poorer kidney transplant outcomes, independent of absolute post-transplant hemoglobin levels.
  • Further research is needed to explore the utility of ΔHb in guiding transfusion strategies post-KT.