Duplex Doppler sonography in renal parenchymal disease. Histopathologic correlation.

Mostbeck, G.; Kain, Renate; Mallek, R.; Derfler, Kurt; Walter, Reinhard; Havelec, L; Tscholakoff, D

doi:10.7863/jum.1991.10.4.189

Cited by 173 publications

(130 citation statements)

References 18 publications

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“…16 Such an increase in blood flow may result in glomerulosclerosis and the glomerulosclerosis may be associated with elevated RI values in the remaining kidney. 20 Another notable result in our study was the absence of any significant difference between RI values of right remnant kidney in cases of left nephrectomy and those of left remaining kidney in cases of right nephrectomy. To our knowledge, there is no reported study dealing with such a comparison.…”

Section: Discussionsupporting

confidence: 47%

Resistive Index of the Remaining Kidney in Allograft Kidney Donors

Nekouei

Ahmadnia²,

Abedi³

et al. 2012

Exp Clin Transplant

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Objectives: Kidney transplant is the last resort in patients with end-stage renal disease. In living-kidney donors undergoing nephrectomy for transplant; however, morphologic and hemodynamic changes may occur in the remaining kidney with time. If there would be such a change, then it may alter the diagnostic utility of Doppler ultrasound in evaluating diseased conditions of the solitary kidney. Using Doppler ultrasound, this study sought to determine whether there are hemodynamic changes in the remaining kidney. Materials and Methods: Forty-one patients (38 men, 3 women) for kidney donation were examined using a MyLab 50 color Doppler apparatus with a convey 3.5-to 5-MHz probe. Resistive index values of the main renal, interlobar, and interlobular arteries in the remaining kidney were assessed before, and at 7 and 90 days after nephrectomy. The size and parenchymal thickness of the remaining kidney also were measured before and after nephrectomy. Results: At day 90, a statistically significant increase (P < .001) in resistive index was seen at all levels, compared with before and 7 days after nephrectomy. No significant changes, however, could be noticed on the day 7, when compared with before the nephrectomy. Renal size and parenchymal thickness remained constant over the time studied. Conclusions: Although a statistically significant increase in resistive index values of the remaining kidney was seen 90 days after the nephrectomy, these values have remained within the normal limits of renal resistive index. So, our findings indicate that resistive index measurement is useful in assessing the diseased condition of the remaining kidney after removing the contralateral kidney.

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Section: Discussionsupporting

confidence: 47%

Resistive Index of the Remaining Kidney in Allograft Kidney Donors

Nekouei

Ahmadnia²,

Abedi³

et al. 2012

Exp Clin Transplant

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“…In our study, we found that the echogenicity of renal parenchyma and cortex were both equally and grossly increased in acute, chronic and end-stage parenchymal diseases. Increased echogenicity of renal cortex has proven to be significantly related to various parenchymal pathological changes such as tubular atrophy, fluid retention, arteriosclerosis and hyaline cylinders [11] [12]. Fiegler et al [13] reported that the echogenicity of the renal parenchyma was correlated with glomerular and interstitial findings.…”

Section: Discussionmentioning

confidence: 99%

Sonographic findings in renal parenchymal diseases at Sudanese

Gareeballah¹,

Gameraddin²,

Mustafa³

et al. 2015

OJRad

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Objective: The objective of this study was to assess the sonographic findings in renal parenchymal diseases using gray-scale ultrasound in order to classify these diseases. The study design was a cross-sectional one. There were 204 patients who were suspected with renal diseases. They had been scanned with ultrasound to assess the kidneys. The echogenicity, renal cortex and parenchyma, and cortico-medullary differentiation had been evaluated. Results: The study revealed that the echogenicity of renal parenchyma and cortex increased in all types of renal parenchymal diseases. The cortico-medullary differentiation was mainly disturbed in acute parenchymal disease (69.04%), loss in chronic end-stage parenchymal disease (85%); and there was significant difference (p-value = 0.0001). Conclusion: Ultrasound provided useful and accurate diagnosis of renal parenchymal diseases. In this study, renal parenchymal diseases had been classified into acute, chronic and end-stage renal parenchymal diseases.

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“…An increased carotid IMT is a wellknown marker of subclinical atherosclerosis, and strongly predicts the occurrence of myocardial infarction and stroke [7,15]. Furthermore, increased intra-renal RI and PI values also reflect end-organ damage, characterized by glomerular and arteriolar sclerosis [16]. Increased intra-renal resistances might indicate, at least at an early stage, a functional and reversible modification consequent to intra-renal vasoconstriction due to endothelial dysfunction [11].…”

Section: Introductionmentioning

confidence: 99%