{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T01:22:20Z","timestamp":1793323340345,"version":"4.5.0"},"reference-count":20,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JASN"],"published-print":{"date-parts":[[2018,5]]},"abstract":"<jats:p>\n                    <jats:bold>Background<\/jats:bold>\n                    Renal osteodystrophy is common in advanced CKD, but characterization of bone turnover status can only be achieved by histomorphometric analysis of bone biopsy specimens (gold standard test). We tested whether bone biomarkers and high-resolution peripheral computed tomography (HR-pQCT) parameters can predict bone turnover status determined by histomorphometry.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Methods<\/jats:bold>\n                    We obtained fasting blood samples from 69 patients with CKD stages 4\u20135, including patients on dialysis, and 68 controls for biomarker analysis (intact parathyroid hormone [iPTH], procollagen type 1 N-terminal propeptide [PINP], bone alkaline phosphatase [bALP], collagen type 1 crosslinked C-telopeptide [CTX], and tartrate-resistant acid phosphatase 5b [TRAP5b]) and scanned the distal radius and tibia of participants by HR-pQCT. We used histomorphometry to evaluate bone biopsy specimens from 43 patients with CKD.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results<\/jats:bold>\n                    Levels of all biomarkers tested were significantly higher in CKD samples than control samples. For discriminating low bone turnover, bALP, intact PINP, and TRAP5b had an areas under the receiver operating characteristic curve (AUCs) of 0.82, 0.79, and 0.80, respectively, each significantly better than the iPTH AUC of 0.61. Furthermore, radius HR-pQCT total volumetric bone mineral density and cortical bone volume had AUCs of 0.81 and 0.80, respectively. For discriminating high bone turnover, iPTH had an AUC of 0.76, similar to that of all other biomarkers tested.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusions<\/jats:bold>\n                    The biomarkers bALP, intact PINP, and TRAP5b and radius HR-pQCT parameters can discriminate low from nonlow bone turnover. Despite poor diagnostic accuracy for low bone turnover, iPTH can discriminate high bone turnover with accuracy similar to that of the other biomarkers, including CTX.\n                  <\/jats:p>","DOI":"10.1681\/asn.2017050584","type":"journal-article","created":{"date-parts":[[2018,3,19]],"date-time":"2018-03-19T09:25:27Z","timestamp":1521451527000},"page":"1557-1565","source":"Crossref","is-referenced-by-count":134,"title":["Diagnostic Accuracy of Biomarkers and Imaging for Bone Turnover in Renal Osteodystrophy"],"prefix":"10.1681","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9236-3906","authenticated-orcid":false,"given":"Syazrah","family":"Salam","sequence":"first","affiliation":[{"name":"Sheffield Kidney Institute, Sheffield Teaching Hospitals National Health Service Foundation Trust, Sheffield, United Kingdom; and"},{"name":"Academic Unit of Bone Metabolism and"},{"name":"Mellanby Centre for Bone Research, Medical School, University of Sheffield, Sheffield, 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