References of "DELANAYE, Pierre"
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See detailSclérostine & insuffisance rénale: que nous apprennent les différents méthodes de dosage?
PAQUOT, Francois ULg; BOUQUEGNEAU, Antoine ULg; CAVALIER, Etienne ULg et al

in Néphrologie & Thérapeutique (2016), 12(5), 374

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See detailBone disease after kidney transplantation
BOUQUEGNEAU, Antoine ULg; Salam, Syrazah; DELANAYE, Pierre ULg et al

in Clinical Journal of the American Society of Nephrology (2016), 11(7), 1282-1296

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See detailCystatin C standardization decreases assay variation and improves assessment of GFR
Ebert, N; DELANAYE, Pierre ULg; Shlipak, M et al

Poster (2016)

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See detailAn estimated glomerular filtration rate equation for the full age spectrum
Pottel, H; Hoste, L; Dubourg, L et al

in Nephrology Dialysis Transplantation (2016), 31(5), 798-806

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See detailCreatinine-based equations for the adjustment of drug dosage in an obese population.
BOUQUEGNEAU, Antoine ULg; Vidal-Petiot, E; Moranne, O et al

in British Journal of Clinical Pharmacology (2016), 81(2), 349-361

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See detailAn age-calibrated definition of chronic kidney disease: Rationale and benefits.
DELANAYE, Pierre ULg; Glassock, Richard; Pottel, H et al

in Clinical Biochemist. Reviews (2016), 37(1),

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See detailEfficiency of delivery observed treatment in hemodialysis patients: the example of the native vitamin D therapy
DELANAYE, Pierre ULg; CAVALIER, Etienne ULg; Fafin, Coraline et al

in Journal of Nephrology (2016), 29(1), 99-103

Introduction Adherence to therapy is a relevant challenge in chronic hemodialysis patients. The directly observed therapy (DOT) could be an effective method to increase adherence for specific therapies ... [more ▼]

Introduction Adherence to therapy is a relevant challenge in chronic hemodialysis patients. The directly observed therapy (DOT) could be an effective method to increase adherence for specific therapies. We aimed to study the performance of DOT versus home medication. We follow the impact of providing native vitamin D directly by the nurse after a dialysis session on the 25-hydroxyvitamin [25(OH)D] concentrations. Methods In this observational study, we included 38 dialysis patients treated by stable dosage of cholecalciferol. DOT was implemented in December 2010. We considered the concentrations of 25-OH vitamin D three times before (T1 = June 2010, T2 = July 2010 and T3 = September 2010) and three times after the modification of prescription (T4 = February 2011, T5 = March 2011 and T6 = April 2011). Results Median age was 72 [62; 79] years and 48 % were diabetics. Mean body mass index was 26 ± 5 kg/m2 and median dialysis vintage was 20 [8; 46] months. The patients were compared to themselves. Before DOT, median concentrations of 25(OH)D were 27 (14–36), 23 (17–31), 31 (22–38) ng/mL at T1, T2 and T3, respectively. When DOT was effective, the concentrations significantly increased to 34 (28–44), 35 (29–41), 39 (32–47) ng/mL at T4, T5 and T6, respectively. Before DOT, 19 patients (50 %) reached the target of 30 ng/mL. After DOT, 29 patients (76 %) reached the target concentration of 30 ng/ mL. Conclusions In hemodialysis patients, DOT is both simple and effective to increase the therapeutic impact to native vitamin D. [less ▲]

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See detailConcordance between iohexol and iothalamate plasma clearance
DELANAYE, Pierre ULg; JOURET, François ULg; LE GOFF, Caroline ULg et al

in American Journal of Kidney Diseases (2016)

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See detailReference Method and Reference Material Are Necessary Tools to Reveal the Variability of Cystatin C Assays
Bargnoux, Anne-Sophie; Kuster, Nils; Delatour, Vincent et al

in Archives of Pathology & Laboratory Medicine (2016), 140(2), 117-118

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See detailAdaptation posologique des médicaments et fonction rénale : Quel(s) estimateur(s) faut-il choisir?
DELANAYE, Pierre ULg; Flamant, M; CAVALIER, Etienne ULg et al

in Néphrologie & Thérapeutique (2016), 12(1), 18-31

Le choix de la formule d’estimation du de´ bit de filtration glomérulaire (DFG) a` utiliser pour l’adaptation posologique fait encore de´ bat, principalement entre la formule de Cockcroft et les équations ... [more ▼]

Le choix de la formule d’estimation du de´ bit de filtration glomérulaire (DFG) a` utiliser pour l’adaptation posologique fait encore de´ bat, principalement entre la formule de Cockcroft et les équations plus récentes, MDRD (pour Modified Diet in Renal Disease) et CKD-EPI (pour Chronic Kidney Disease Epidemiology). Les arguments mis en avant en faveur de l’utilisation de la formule de Cockcroft sont : qu’elle a été préférentiellement utilisée pour décider des adaptations posologiques avant la mise sur le marché des médicaments, qu’elle permettrait une meilleure prédiction du risque de survenue des effets indésirables a` l’accumulation des médicaments, qu’elle permettrait de limiter le surdosage médicamenteux chez la personne âgée. Dans cet article d’opinion, nous discutons les faiblesses de l’argumentaire des partisans du maintien de l’utilisation de la formule de Cockcroft dans le contexte de l’adaptation posologique, ainsi que les limites et le manque de fiabilité de cette formule. Nous soutenons la recommandation de la Haute Autorité de sante´ (HAS) sur l’utilisation systématique, en 2015, de l’équation CKD-EPI pour l’estimation du DFG. Lorsque le DFG est e´ value´ dans le but d’adapter la posologie d’un médicament, la désindexation de la surface corporelle est préférable. Compte tenu des difficultés d’estimation du DFG chez la personne âgée et chez les individus a` gabarit hors norme, nous recommandons d’utiliser en priorité dans ces populations, des médicaments pour lesquels un suivi pharmacologique est disponible, ou d’avoir recours à une méthode de référence de mesure du DFG. [less ▲]

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See detailAVK en hémodialyse-Rôle, attentes et conséquences cardio vasculaires
DELANAYE, Pierre ULg

Conference given outside the academic context (2016)

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See detailManaging Chronic Kidney Disease in Older People--Reply
Glassock, rj; DELANAYE, Pierre ULg; El-Nahas, M

in JAMA : Journal of the American Medical Association (2016), 315(3),

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See detailSerum calcitriol concentrations measured with a new direct automated assay in a large population of adult healthy subjects and in various clinical situations
Souberbielle, JC; CAVALIER, Etienne ULg; DELANAYE, Pierre ULg et al

in Clinica Chimica Acta (2015), 451 (Pt B)

The measurement of calcitriol [1,25(OH2)D], is important for the differential diagnosis of several disorders of calcium/phosphorus metabolism but is time-consuming and tricky. We measured serum calcitriol ... [more ▼]

The measurement of calcitriol [1,25(OH2)D], is important for the differential diagnosis of several disorders of calcium/phosphorus metabolism but is time-consuming and tricky. We measured serum calcitriol with a new automated direct assay on the Liaison XL platform in 888 healthy French Caucasian subjects aged 18–89 years, 32 patients with a surgically-proven PHPT, 32 pregnant women at the end of the first and at the end of the third trimester, and 24 dialysis patients before and after one year of supplementationwith vitamin D3 or placebo. The mean calcitriol concentration (±SD) in the healthy population was 52.9 ± 14.5 ng/L with a 95% CI interval of 29–83.6 ng/L. In PHPT patients, calcitriol concentration was 81.6±29.0 ng/L, 15 of them (46.9%) having a concentration N83.6 ng/L. In pregnant women, calcitriol was 80.4 ± 26.4 ng/L at the end of the first trimester, and 113.1±33.0 ng/L at the end of the third trimester, 12 (37.5%) and 26 (81.3%) of them having a calcitriol concentration N83.6 ng/L at the first and third trimesters respectively. In 14 dialysis patients, calcitriol was 9.5±7.7 ng/L and rose to 19.3 ng/L after one year of supplementation with 50,000 IU vitamin D3/month. In 10 other dialysis patients, calcitriol was 9.9±2.9 ng/L and remained stable (12.4±3.7 ng/L) after one year of placebo. In conclusion, this new automated calcitriol assay, in addition to presenting excellent analytical performances, gives the expected variations in patients compared to “normal” values obtained in an extensive reference population [less ▲]

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See detailConsiderations in parathyroid hormone testing.
Cavalier, Etienne ULg; Plebani, Mario; DELANAYE, Pierre ULg et al

in Clinical Chemistry & Laboratory Medicine (2015), 53(12), 1913-9

Parathyroid hormone (PTH) is a major player in phosphocalcic metabolism and its measurement is very important for the correct diagnosis and treatment of several diseases. PTH determination represents the ... [more ▼]

Parathyroid hormone (PTH) is a major player in phosphocalcic metabolism and its measurement is very important for the correct diagnosis and treatment of several diseases. PTH determination represents the paradigm of quality in laboratory medicine as many variables in the pre-, intra-, and post-analytical phases strongly affect the value of the clinical information. Analytical determination of PTH has been rendered difficult by the presence, in the circulation, of truncated fragments that can cross-react with the antibodies used for its determination. In addition, pre-analytical phase is complicated by the lack of stability of the peptide and the best sample to use for its determination remains controversial, as well as sample handling and storage. PTH secretion is also affected by circadian and seasonal rhythms and by physical exercise. Finally, from the post-analytical perspective, establishment of reliable reference ranges requires further efforts as the selection criteria for reference subjects should take into consideration new variables such as gender, race and vitamin D levels. Finally, clinical guidelines have recently revised and improved the criteria for a correct interpretation of PTH values. [less ▲]

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