Renal ultrasound and Doppler parameters as markers of renal function and histopathological damage in children with chronic kidney disease

被引:6
|
作者
Sawires, Happy [1 ]
Salah, Doaa [1 ]
Hashem, Rania [2 ]
Ismail, Wesam [3 ]
Salem, Amr [1 ]
Botros, Osama [4 ]
Seif, Hadeel [2 ]
机构
[1] Cairo Univ, Pediat Nephrol Dept, Cairo, Egypt
[2] Cairo Univ, Radiol Dept, Cairo, Egypt
[3] Beni Suef Univ, Pathol Dept, Bani Suwayf, Egypt
[4] Beni Suef Univ, Pediat Nephrol Dept, Bani Suwayf, Egypt
关键词
children; chronic kidney disease; Doppler; glomerular filtration rate; GLOMERULAR-FILTRATION-RATE; RESISTIVE INDEX; ULTRASONOGRAPHY; VOLUME; FLOW;
D O I
10.1111/nep.13201
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Aim Doppler ultrasonography can be used to assess the progression of vascular (arterial sclerosis) and parenchymal (glomerular sclerosis and crescents) renal damage. The aim of this study was to evaluate the significance of some sonographic and Doppler parameters as non-invasive markers of glomerular filtration rate (GFR) and renal histopathological damage in children. Methods Results A cohort of 84 children were enrolled in a case-control study (42 with CKD stages 2-5 and 42 healthy children). GFR was assessed using new improved equation using serum creatinine and cystatin C. Sonar guided renal specimen was obtained and evaluated for the severity of global sclerosis (GS), segmental sclerosis (SS), tubular atrophy (TA), interstitial fibrosis (IF), arterial sclerosis (AS) and arteriolar hyalinosis (AH). The following sonographic and Doppler parameters were assessed in both patients and control group: resistivity index (RI), pulsatility index (PI), atrophic index (AI), mean renal volume, mean renal density, time average velocity (TAV) and body surface area related volume perfusion (BSARVP). There was significant difference in renal density (P < 0.001), RI (P < 0.001), PI (P = 0.021), TAV (P < 0.001) and BSARVP (P < 0.001) between patients and control group. The cutoff value of RI was 63.5% (sensitivity 83% and specificity 64%). Multivariate analysis revealed that renal density and RI were significant predictors of worsening of estimated GFR (eGFR) in CKD patients. Conclusion Summary at a Glance Any increase in the RI and PI values must arouse alarm to the possibility of advancing renal damage. Moreover, RI and PI could fairly predict the degree of glomerular sclerosis and interstitial fibrosis.
引用
收藏
页码:1116 / 1124
页数:9
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