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Related Concept Videos

Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

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 donor...
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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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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...

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Does eliminating global renal ischemia during partial nephrectomy improve functional outcomes?

Andrew J Hung1, Sheaumei Tsai, Inderbir S Gill

  • 1USC Institute of Urology, Hillard and Roclyn Herzog Center for Robotic Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California 90089, USA. ajhung@gmail.com

Current Opinion in Urology
|January 5, 2013
PubMed
Summary

Preserving kidney function after partial nephrectomy depends on both remaining kidney volume and ischemia time. Minimizing ischemia through techniques like anatomical partial nephrectomy improves outcomes.

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Area of Science:

  • Urology
  • Nephrology
  • Surgical Innovation

Background:

  • Debate exists regarding factors influencing postoperative renal function after partial nephrectomy.
  • Traditionally, preserved renal parenchyma volume and baseline function were considered primary drivers.
  • The impact of global renal ischemic injury has been a subject of ongoing discussion.

Purpose of the Study:

  • To critically review recent literature on postoperative functional outcomes following partial nephrectomy.
  • To specifically examine emerging data on functional outcomes after ischemia-free partial nephrectomy.
  • To evaluate the relative importance of renal volume preservation versus ischemia time.

Main Methods:

  • Review of recent retrospective and contemporary clinical series.
  • Analysis of functional outcomes comparing traditional partial nephrectomy with ischemia-free techniques.
  • Focus on technical refinements enabling ischemia-free partial nephrectomy, such as anatomical approaches.

Main Results:

  • Historical data suggested renal volume and baseline function were paramount.
  • Contemporary series demonstrate superior functional outcomes with ischemia-free partial nephrectomy, even accounting for volume loss.
  • Novel techniques like anatomical partial nephrectomy facilitate the elimination of global ischemia.

Conclusions:

  • While kidney quantity and quality are non-modifiable post-surgery, ischemia time is a modifiable factor.
  • Larger or deeper tumors are often associated with longer ischemia times.
  • Anatomical, tumor-specific devascularization allows for tailored surgical techniques, optimizing patient outcomes.