Role of ultrasonographic chronic kidney disease score in the assessment of chronic kidney disease

Purpose Ultrasonography (US) is an inexpensive, noninvasive and easy imaging procedure to comment on the kidney disease. Data are limited about the relation between estimated glomerular filtration rate (e-GFR) and all 3 renal US parameters, including kidney length, parenchymal thickness and parenchy...

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Veröffentlicht in:International urology and nephrology 2017-01, Vol.49 (1), p.123-131
Hauptverfasser: Yaprak, Mustafa, Çakır, Özgür, Turan, Mehmet Nuri, Dayanan, Ramazan, Akın, Selçuk, Değirmen, Elif, Yıldırım, Mustafa, Turgut, Faruk
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container_issue 1
container_start_page 123
container_title International urology and nephrology
container_volume 49
creator Yaprak, Mustafa
Çakır, Özgür
Turan, Mehmet Nuri
Dayanan, Ramazan
Akın, Selçuk
Değirmen, Elif
Yıldırım, Mustafa
Turgut, Faruk
description Purpose Ultrasonography (US) is an inexpensive, noninvasive and easy imaging procedure to comment on the kidney disease. Data are limited about the relation between estimated glomerular filtration rate (e-GFR) and all 3 renal US parameters, including kidney length, parenchymal thickness and parenchymal echogenicity, in chronic kidney disease (CKD). In this study, we aimed to investigate the association between e-GFR and ultrasonographic CKD score calculated via these ultrasonographic parameters. Methods One hundred and twenty patients with stage 1–5 CKD were enrolled in this study. The glomerular filtration rate was estimated by the Chronic Kidney Disease Epidemiology Collaboration equation. US was performed by the same radiologist who was blinded to patients’ histories and laboratory results. US parameters including kidney length, parenchymal thickness and parenchymal echogenicity were obtained from both kidneys. All 3 parameters were scored for each kidney, separately. The sum of the average scores of these parameters was used to calculate ultrasonographic CKD score. Results The mean age of patients was 63.34 ± 14.19 years. Mean kidney length, parenchymal thickness, ultrasonographic CKD score and median parenchymal echogenicity were found as 96.2 ± 12.3, 10.97 ± 2.59 mm, 6.28 ± 2.52 and 1.0 (0–3.5), respectively. e-GFR was positively correlated with kidney length ( r  = 0.343, p  
doi_str_mv 10.1007/s11255-016-1443-4
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Data are limited about the relation between estimated glomerular filtration rate (e-GFR) and all 3 renal US parameters, including kidney length, parenchymal thickness and parenchymal echogenicity, in chronic kidney disease (CKD). In this study, we aimed to investigate the association between e-GFR and ultrasonographic CKD score calculated via these ultrasonographic parameters. Methods One hundred and twenty patients with stage 1–5 CKD were enrolled in this study. The glomerular filtration rate was estimated by the Chronic Kidney Disease Epidemiology Collaboration equation. US was performed by the same radiologist who was blinded to patients’ histories and laboratory results. US parameters including kidney length, parenchymal thickness and parenchymal echogenicity were obtained from both kidneys. All 3 parameters were scored for each kidney, separately. The sum of the average scores of these parameters was used to calculate ultrasonographic CKD score. Results The mean age of patients was 63.34 ± 14.19 years. Mean kidney length, parenchymal thickness, ultrasonographic CKD score and median parenchymal echogenicity were found as 96.2 ± 12.3, 10.97 ± 2.59 mm, 6.28 ± 2.52 and 1.0 (0–3.5), respectively. e-GFR was positively correlated with kidney length ( r  = 0.343, p  &lt; 0.001), parenchymal thickness ( r  = 0.37, p  &lt; 0.001) and negatively correlated with CKD score ( r  = −0.587, p  &lt; 0.001) and parenchymal echogenicity ( r  = −0.683, p  &lt; 0.001). Receiver operating characteristic curve analysis for distinction of e-GFR lower than 60 mL/min showed that the ultrasonographic CKD score higher than 4.75 was the best parameter with the sensitivity of 81% and positive predictivity of 92% (AUC, 0.829; 95% CI, 0.74–0.92; p  &lt; 0.001). Conclusion We found correlation between e-GFR and ultrasonographic CKD score via using all ultrasonographic parameters. Also, our study showed that ultrasonographic CKD score can be useful for distinction of CKD stage 3–5 from stage 1 and 2. We suggested that the ultrasonographic CKD score provided more objective data in the assessment of CKD.</description><identifier>ISSN: 0301-1623</identifier><identifier>EISSN: 1573-2584</identifier><identifier>DOI: 10.1007/s11255-016-1443-4</identifier><identifier>PMID: 27796695</identifier><identifier>CODEN: IURNAE</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Adult ; Aged ; Area Under Curve ; Female ; Glomerular Filtration Rate ; Humans ; Kidney - diagnostic imaging ; Kidney - pathology ; Kidney Failure, Chronic - diagnostic imaging ; Kidney Failure, Chronic - physiopathology ; Male ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Nephrology ; Nephrology - Original Paper ; Organ Size ; Predictive Value of Tests ; Renal Insufficiency, Chronic - diagnostic imaging ; Renal Insufficiency, Chronic - pathology ; Renal Insufficiency, Chronic - physiopathology ; ROC Curve ; Single-Blind Method ; Ultrasonography ; Urology</subject><ispartof>International urology and nephrology, 2017-01, Vol.49 (1), p.123-131</ispartof><rights>Springer Science+Business Media Dordrecht 2016</rights><rights>International Urology and Nephrology is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c471t-18c0a2e46723a3374d347eac7bc72d96352cb30973929710538f1055d558b4f33</citedby><cites>FETCH-LOGICAL-c471t-18c0a2e46723a3374d347eac7bc72d96352cb30973929710538f1055d558b4f33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11255-016-1443-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11255-016-1443-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27796695$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yaprak, Mustafa</creatorcontrib><creatorcontrib>Çakır, Özgür</creatorcontrib><creatorcontrib>Turan, Mehmet Nuri</creatorcontrib><creatorcontrib>Dayanan, Ramazan</creatorcontrib><creatorcontrib>Akın, Selçuk</creatorcontrib><creatorcontrib>Değirmen, Elif</creatorcontrib><creatorcontrib>Yıldırım, Mustafa</creatorcontrib><creatorcontrib>Turgut, Faruk</creatorcontrib><title>Role of ultrasonographic chronic kidney disease score in the assessment of chronic kidney disease</title><title>International urology and nephrology</title><addtitle>Int Urol Nephrol</addtitle><addtitle>Int Urol Nephrol</addtitle><description>Purpose Ultrasonography (US) is an inexpensive, noninvasive and easy imaging procedure to comment on the kidney disease. Data are limited about the relation between estimated glomerular filtration rate (e-GFR) and all 3 renal US parameters, including kidney length, parenchymal thickness and parenchymal echogenicity, in chronic kidney disease (CKD). In this study, we aimed to investigate the association between e-GFR and ultrasonographic CKD score calculated via these ultrasonographic parameters. Methods One hundred and twenty patients with stage 1–5 CKD were enrolled in this study. The glomerular filtration rate was estimated by the Chronic Kidney Disease Epidemiology Collaboration equation. US was performed by the same radiologist who was blinded to patients’ histories and laboratory results. US parameters including kidney length, parenchymal thickness and parenchymal echogenicity were obtained from both kidneys. All 3 parameters were scored for each kidney, separately. The sum of the average scores of these parameters was used to calculate ultrasonographic CKD score. Results The mean age of patients was 63.34 ± 14.19 years. Mean kidney length, parenchymal thickness, ultrasonographic CKD score and median parenchymal echogenicity were found as 96.2 ± 12.3, 10.97 ± 2.59 mm, 6.28 ± 2.52 and 1.0 (0–3.5), respectively. e-GFR was positively correlated with kidney length ( r  = 0.343, p  &lt; 0.001), parenchymal thickness ( r  = 0.37, p  &lt; 0.001) and negatively correlated with CKD score ( r  = −0.587, p  &lt; 0.001) and parenchymal echogenicity ( r  = −0.683, p  &lt; 0.001). Receiver operating characteristic curve analysis for distinction of e-GFR lower than 60 mL/min showed that the ultrasonographic CKD score higher than 4.75 was the best parameter with the sensitivity of 81% and positive predictivity of 92% (AUC, 0.829; 95% CI, 0.74–0.92; p  &lt; 0.001). Conclusion We found correlation between e-GFR and ultrasonographic CKD score via using all ultrasonographic parameters. Also, our study showed that ultrasonographic CKD score can be useful for distinction of CKD stage 3–5 from stage 1 and 2. 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Data are limited about the relation between estimated glomerular filtration rate (e-GFR) and all 3 renal US parameters, including kidney length, parenchymal thickness and parenchymal echogenicity, in chronic kidney disease (CKD). In this study, we aimed to investigate the association between e-GFR and ultrasonographic CKD score calculated via these ultrasonographic parameters. Methods One hundred and twenty patients with stage 1–5 CKD were enrolled in this study. The glomerular filtration rate was estimated by the Chronic Kidney Disease Epidemiology Collaboration equation. US was performed by the same radiologist who was blinded to patients’ histories and laboratory results. US parameters including kidney length, parenchymal thickness and parenchymal echogenicity were obtained from both kidneys. All 3 parameters were scored for each kidney, separately. The sum of the average scores of these parameters was used to calculate ultrasonographic CKD score. Results The mean age of patients was 63.34 ± 14.19 years. Mean kidney length, parenchymal thickness, ultrasonographic CKD score and median parenchymal echogenicity were found as 96.2 ± 12.3, 10.97 ± 2.59 mm, 6.28 ± 2.52 and 1.0 (0–3.5), respectively. e-GFR was positively correlated with kidney length ( r  = 0.343, p  &lt; 0.001), parenchymal thickness ( r  = 0.37, p  &lt; 0.001) and negatively correlated with CKD score ( r  = −0.587, p  &lt; 0.001) and parenchymal echogenicity ( r  = −0.683, p  &lt; 0.001). Receiver operating characteristic curve analysis for distinction of e-GFR lower than 60 mL/min showed that the ultrasonographic CKD score higher than 4.75 was the best parameter with the sensitivity of 81% and positive predictivity of 92% (AUC, 0.829; 95% CI, 0.74–0.92; p  &lt; 0.001). Conclusion We found correlation between e-GFR and ultrasonographic CKD score via using all ultrasonographic parameters. Also, our study showed that ultrasonographic CKD score can be useful for distinction of CKD stage 3–5 from stage 1 and 2. We suggested that the ultrasonographic CKD score provided more objective data in the assessment of CKD.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>27796695</pmid><doi>10.1007/s11255-016-1443-4</doi><tpages>9</tpages></addata></record>
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subjects Adult
Aged
Area Under Curve
Female
Glomerular Filtration Rate
Humans
Kidney - diagnostic imaging
Kidney - pathology
Kidney Failure, Chronic - diagnostic imaging
Kidney Failure, Chronic - physiopathology
Male
Medicine
Medicine & Public Health
Middle Aged
Nephrology
Nephrology - Original Paper
Organ Size
Predictive Value of Tests
Renal Insufficiency, Chronic - diagnostic imaging
Renal Insufficiency, Chronic - pathology
Renal Insufficiency, Chronic - physiopathology
ROC Curve
Single-Blind Method
Ultrasonography
Urology
title Role of ultrasonographic chronic kidney disease score in the assessment of chronic kidney disease
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