Parameters of Doppler Ultrasound at Five Days Posttransplantation as Predictors of Histology and Renal Function at One Year

García-Covarrubias, Luis; Martinez, A.; Morales‐Buenrostro, Luis E.; Bezaury, Paulina; Alberú, Josefina; Garcia, A. Sanchez; Vilatobá, Mario; Gabilondo, Bernardo

doi:10.1016/j.transproceed.2009.11.027

Cited by 6 publications

(5 citation statements)

References 13 publications

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“…Also, in some studies, it was demonstrated that RI values measured early after surgery could predict long‐term graft function in kidney transplant recipients . On the other hand, some researchers did not show correlation between RI values measured early after transplantation and long‐term graft function . We also did not show any correlation between the RI values during the early period after transplantation and both near and long‐term graft function.…”

Section: Discussioncontrasting

confidence: 61%

“…The RI has been shown as the best ultrasonographic parameter to determine allograft dysfunction . It is used as a marker of microcirculation injury and a sequel of interstitial edema in all forms of graft dysfunction . However, the relationship of RI value with long‐term graft function is more controversial, with conflicting results in the literature .…”

Section: Introductionmentioning

confidence: 99%

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The predictive value of resistive index obtained by Doppler ultrasonography early after renal transplantation on long‐term allograft function

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Gülleroğlu

et al. 2016

Pediatric Transplantation

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DUSG is a useful diagnostic tool for the follow-up of renal transplant recipients. The measurement of intrarenal arterial RI by DUSG has been proven to predict short-term AF. The aim of the study was to evaluate the predictive value of DUSG performed during the early after RTx on long-term AF. Seventy patients were enrolled into study. DUSG was performed at third and seventh days after RTx. Patients were divided into two groups according to rate of recovery of graft function as patients with normal graft function and abnormal graft function. Although the RI values were correlated with the AF early after transplantation, they were not correlated with long-term AF. However, the rate of recovery of graft function at early period after RTx was correlated with creatinine level at first year and with glomerular filtration rate at first year and last visit. Although the RI has no predictive value for long-term AF, the rate of recovery of graft function at early post-transplantation period has predictive value for long-term AF; patients with higher RI values early after RTx should be followed carefully for the development of chronic allograft injury.

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Section: Discussioncontrasting

confidence: 61%

Section: Introductionmentioning

confidence: 99%

The predictive value of resistive index obtained by Doppler ultrasonography early after renal transplantation on long‐term allograft function

Melek

Baskın

Gülleroğlu

et al. 2016

Pediatric Transplantation

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“…Loock et al (16) and Garcia-Covarrubias et al (17) have shown no correlation between future graft function and numerous parameters of kidney ultrasonography. Like most of the previous studies, we found that RI, PI and EDV measurement within the first week of grafting significantly correlate with graft function at 6 months follow-up.…”

Section: Discussionmentioning

confidence: 97%

Early Ultrasound Assessment of Renal Transplantation as the Valuable Biomarker of Long Lasting Graft Survival: A Cross-Sectional Study

et al. 2014

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Background:To date, there has been little agreement on the use of ultrasonographic parameters in predicting the long-term outcome after transplantation. This study evaluates whether ultrasonography of the graft performed in the early stage after transplantation is a valuable predictor for long-term-outcome.Objectives:The aim of this study was to evaluate the association of ultrasonographic parameters (resistive index [RI], pulsatility index[PI], end diastolic velocity [EDV], graft length and graft parenchymal volume) measured within the first week after transplantation with 6 months graft function.Patients and Methods:A cross-sectional study was performed on 91 (46 males and 45 females) living renal transplants between April 2011 and February 2013. All patients underwent an ultrasonography at the first week after transplantation. Intrarenal Doppler indices including RI, PI and EDV were measured at the interlobar artery level and the graft length and parenchymal volume were defined with gray scale ultrasonography. Graft function was estimated at 6months by glomerular filtration rate (GFR). Unpaired t-test and multivariate-linear and logistic regression analysis were used to estimate the relationship between ultrasonographic parameters and GFR.Results:Fourteen patients (15.4%) had impaired graft function after 6 months (GFR less than 60 ml/min/1.73m2). Multivariate linear regression analysis showed significant correlation between GFR at 6 months and RI, PI and EDV with a P value of 0.026, 0.016 and 0.015, respectively. Logistic regression analysis showed that GFR<60 ml/min/1.73 m2 at 6 months was significantly associated with RI>0.7 (odds ratio=2.20, P value=0.004) and PI>1.3 (odds ratio=2.74, P value<0.001) and EDV<9 cm/Sec (odds ratio=1.83, P value=0.03).Conclusions:In this study, kidney transplant recipients with a lower RI and PI and a higher EDV at 1week showed better graft function at 6 months after transplantation.

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“…Some studies have linked increased RRI with glomerulosclerosis progression, glomerular disease, arteriolosclerosis, and interstitial fibrosis, whereas others have found no correlation. [32][33][34][35][36] Elevated RRI may have prognostic value because it has been associated with worsening kidney function, 37,38 cardiovascular risk scores., 37 and progressive diabetic nephropathy. 39 In kidney transplantation, renal vein and renal artery thromboses have been associated with low RRI values in the immediate postoperative period.…”

Section: Doppler Imagingmentioning

confidence: 99%

Kidney Ultrasound for Nephrologists: A Review

et al. 2022

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Parameters of Doppler Ultrasound at Five Days Posttransplantation as Predictors of Histology and Renal Function at One Year

Cited by 6 publications

References 13 publications

The predictive value of resistive index obtained by Doppler ultrasonography early after renal transplantation on long‐term allograft function

The predictive value of resistive index obtained by Doppler ultrasonography early after renal transplantation on long‐term allograft function

Early Ultrasound Assessment of Renal Transplantation as the Valuable Biomarker of Long Lasting Graft Survival: A Cross-Sectional Study

Kidney Ultrasound for Nephrologists: A Review

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