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November 18, 2009Clinical Transplantation

Endothelial dysfunction in hemodialysis patients with failed renal transplants

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Key result

Failed renal transplant patients restarting hemodialysis had significantly lower coronary flow reserve compared to never-transplanted patients (1.60 vs 1.75, p=0.028).

Why the study?

Does a failed renal transplant worsen endothelial dysfunction in hemodialysis patients compared to those never transplanted?

Population

83 hemodialysis patients, including 40 who were never transplanted and 43 with failed renal transplants…

Comparison

Failed renal transplant restarting hemodialysis vs Hemodialysis without prior transplantation (nHD)

Design

Cross-sectional

Authors

NGNuman GörgülüBağcılar Eğitim ve Araştırma HastanesiBYBerna YelkenKoç UniversityYÇYaşar ÇalışkanSaint Louis University Hospital

Discussion

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Implication

Associated with worse endothelial dysfunction in failed-transplant hemodialysis patients; leaves open causal impact of transplant failure versus confounding.

Study Design

Type

Cross-Sectional (n=83)

Structured PICO

Does a failed renal transplant worsen endothelial dysfunction in hemodialysis patients compared to those never transplanted?

P
Population
83 hemodialysis patients, including 40 never transplanted and 43 with failed renal transplants, evaluated for endothelial dysfunction.
E
Exposure
Failed renal transplant restarting hemodialysis (fTx-HD)
C
Comparator
Hemodialysis without prior transplantation (nHD)
O
Outcome
Endothelial dysfunction measured by coronary flow reserve (CFR)surrogate

Main Result

Absolute Event Rate: 1.6% vs 1.75%

p-value: p=0.028

Hemodialysis patients with failed renal transplants exhibit more prominent endothelial dysfunction and inflammation compared to those who were never transplanted.

Cite This Study

Görgülü et al. (2009) conducted a cross-sectional in Hemodialysis (n=83). Failed renal transplant vs. Never transplanted was evaluated on Coronary flow reserve (CFR) (p=0.028). Failed renal transplant patients restarting hemodialysis had significantly lower coronary flow reserve compared to never-transplanted patients (1.60 vs 1.75, p=0.028).

synapsesocial.com/papers/6a99b0e52a9bc4c101e6c1fchttps://doi.org/10.1111/j.1399-0012.2009.01160.x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Endothelium-dependent vasodilatation is impaired in peritoneal dialysis patients1998 · 125 citations
  2. 2Changes in endothelial function before and after renal transplantation*2006 · 31 citations
  3. 3Endothelial dysfunction in chronic renal failure: roles of lipoprotein oxidation and pro‐inflammatory cytokines2001 · 290 citations
  4. 4Impaired Coronary Flow Reserve in Hemodialysis Patients: A Transthoracic Doppler Echocardiographic Study2005 · 75 citations
  5. 5Noninvasive Assessment of Significant Left Anterior Descending Coronary Artery Stenosis by Coronary Flow Velocity Reserve With Transthoracic Color Doppler Echocardiography1998 · 405 citations