References of "DUBOIS, Bernard"
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See detailImpact of the dialysis membrane on the Vitamin D metabolims markers
CAVALIER, Etienne ULg; DUBOIS, Bernard ULg; Urena, Pablo et al

Poster (2014, November)

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See detailEpidémiologie de la lithiase urinaire en Province de Liège
GADISSEUR, Romy ULg; Castiglione, Vincent ULg; JOURET, François ULg et al

in Néphrologie & Thérapeutique (2014, September), 10(5), 270

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See detailInter-method variability in bone alkaline phosphatase measurement : clinical impact on the management of dialysis patients
CAVALIER, Etienne ULg; Souberbielle, Jean-Claude; GADISSEUR, Romy ULg et al

in Clinical Biochemistry (2014), 47(13-14), 1227-30

BACKGROUND: Bone-specific alkaline phosphatase (BAP) is now recommended to assess bone turnover in hemodialysis (HD) patients. However, little is known about potential variability between methods ... [more ▼]

BACKGROUND: Bone-specific alkaline phosphatase (BAP) is now recommended to assess bone turnover in hemodialysis (HD) patients. However, little is known about potential variability between methods available to measure BAP. METHODS: We measured BAP in 76 HD patients with six different assays (Beckman-Coulter Ostase IRMA, Beckman-Coulter Ostase Access, IDS iSYS Ostase, IDS Ostase enzyme immunoassay, DiaSorin Liaison Ostase and Quidel MicroVue BAP). RESULTS: We observed a high correlation between all the assays ranging from 0.9948 (IDS iSYS vs. IDS EIA) to 0.9215 (DiaSorin Liaison vs. Quidel MicroVue). However, using the regression equations, the equivalent concentration of a Beckman-Coulter Access value of 10μg/L can range from 7.7 to 14.4μg/L and of 20μg/L can range from 16.9 to 27.9μg/L with other assays. According to Beckman-Coulter Access, 13%, 50% and 37% of the patients presented BAP values ≤10, between 10 and 20 and ≥20μg/L, respectively. Discrepancies are observed when other assays are used (concordance from 10 to 100%). CONCLUSIONS: Analytical problems leading to inter-method variation should be overcome to improve the usefulness of this marker in clinical practice. According to correlation results, recalibration of BAP assays is necessary but should not be a major issue. [less ▲]

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See detailDetection of decreased glomerular filtration rate in intensive care units: serum cystatin C versus serum creatinine
DELANAYE, Pierre ULg; CAVALIER, Etienne ULg; Morel, Jérôme et al

in BMC Nephrology (2014), 15(9), 1471-2369

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See detailTwo novel mutations of the CLDN16 gene cause familial hypomagnesaemia with hypercalciuria and nephrocalcinosis
Hanssen, Oriane ULg; CASTERMANS, Emilie ULg; BOVY, Christophe ULg et al

in Clinical Kidney Journal (2014), 7

Familial hypomagnesaemia with hypercalciuria and nephrocalcinosis is an autosomal-recessive disease caused by mutations in the CLDN16 or CLDN19 genes, which encode tight junction-associated proteins ... [more ▼]

Familial hypomagnesaemia with hypercalciuria and nephrocalcinosis is an autosomal-recessive disease caused by mutations in the CLDN16 or CLDN19 genes, which encode tight junction-associated proteins, claudin-16 and -19. The resultant tubulopathy leads to urinary loss of Mg2+ and Ca2+, with subsequent nephrocalcinosis and end-stage renal disease (ESRD). An 18-year-old boy presented with chronic kidney disease and proteinuria, as well as hypomagnesaemia, hypercalciuria and nephrocalcinosis. A kidney biopsy revealed tubular atrophy, interstitial fibrosis and segmental sclerosis of some glomeruli. Two novel mutations in the CLDN16 gene were identified: c.340C>T (nonsense) and c.427+5G>A (splice site). The patient reached ESRD at 23 and benefited from kidney transplantation. [less ▲]

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See detailBlood pressure dipping and arterial stiffness in kidney transplant recipients
XHIGNESSE, Patricia ULg; Saint-Remy, Annie ULg; BONVOISIN, Catherine ULg et al

Conference (2013, October 05)

In 70 kidney transplant recipients, nocturnal blood pressure(BP) nondipping (nondipping or reversed rhythm) was highly frequent (48% were nondippers and 29% had a reversed rhythm). When compared dippers ... [more ▼]

In 70 kidney transplant recipients, nocturnal blood pressure(BP) nondipping (nondipping or reversed rhythm) was highly frequent (48% were nondippers and 29% had a reversed rhythm). When compared dippers, nondippers and reversed, neither BMI, time on hemodialysis, graft survival, eGFR or antihypertensive drugs allowed to distinct the three groups. Pulse Wave Velocity (PWV) did not differ between groups but calcification score and ambulatory arterial stiffness index (AASI) were significantly the highest in récipients with reversed rhythm. That was also the case in nondippers recipients. [less ▲]

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See detailParathormone and bone-specific alkaline phosphatase for the follow-up of bone turnover in hemodialysis patients : Is it so simple?
DELANAYE, Pierre ULg; DUBOIS, Bernard ULg; JOURET, François ULg et al

in Clinica Chimica Acta (2013), 417

Background: Chronic Kidney Disease (CKD) is associated with mineral and bone disorders (MBD). International guidelines suggest that levels of serum parathormone (PTH) or bone-specific alkaline phosphatase ... [more ▼]

Background: Chronic Kidney Disease (CKD) is associated with mineral and bone disorders (MBD). International guidelines suggest that levels of serum parathormone (PTH) or bone-specific alkaline phosphatase (b-ALP) can be used to evaluate MBD in dialysis patients. The evidence remains moderate and based on transversal studies. <br />Methods: We retrospectively investigated the variations of PTH (ΔPTH) and b-ALP (Δb-ALP) serum concentrations over a short (6-weeks) and a long (one-year) period in a monocentric hemodialysis population. The proportion of patients reaching the critical difference (CD) (50% for PTH and 25% for b-ALP) was calculated. <br />Results: Seventy-seven patientswere included. A significant correlation between PTHand b-ALP levelswas found at baseline (r=0.51). By contrast, no correlation was observed between ΔPTH and Δb-ALP over a 6-week interval (r=0.07). The CD for PTH and b-ALP was reached by 19 and 11 patients, respectively, with 2 patients showing consistent variations of both biomarkers. One year later, measurements were repeated in 48 survivors. <br />No correlation was found between ΔPTH and Δb-ALP (r=0.27). The CD for PTH or b-ALP was reached by 24 patients and 28 patients, respectively, with 6 patients (12.5%) showing opposite results for both biomarkers. <br />Conclusion: This study shows the lack of correlation between ΔPTH and Δb-ALP over time in patients under chronic hemodialysis. [less ▲]

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See detailOutcome of the living kidney donor
DELANAYE, Pierre ULg; WEEKERS, Laurent ULg; DUBOIS, Bernard ULg et al

in Nephrology Dialysis Transplantation (2012), 27(1), 41-50

Renal transplantation from living kidney donors is still relatively marginal in most of the European countries. However, this source of kidney grafts may help to overcome in part the organ donor shortage ... [more ▼]

Renal transplantation from living kidney donors is still relatively marginal in most of the European countries. However, this source of kidney grafts may help to overcome in part the organ donor shortage of cadaveric donors. The living donor strategy implies correct and objective information about donation risks and completely free acceptance of the living candidate of the donation. In this paper, we reviewed the consequences of kidney donation on the living donor health, considering very short term (linked to the surgery), short term (effect of nephrectomy on glomerular filtration rate) and long term (risk of mortality, chronic kidney disease, proteinuria and hypertension) consequences of kidney donation. [less ▲]

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See detailLe débit de filtration glomérulaire est-il un déterminant de la concentration plasmatique du NGAL aux soins intensifs ?
DELANAYE, Pierre ULg; Claisse, Guillaume; Mehdi, Manoli et al

Poster (2012)

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See detailLe médicament du mois : Fébuxostat (Adenuric®)
DELANAYE, Pierre ULg; BOUQUEGNEAU, Antoine ULg; DUBOIS, Bernard ULg et al

in Revue Médicale de Liège (2012), 67(4), 202-209

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See detailAnorexia Nervosa and the Kidney
BOUQUEGNEAU, Antoine ULg; DUBOIS, Bernard ULg; Krzesinski, Jean-Marie ULg et al

in American Journal of Kidney Diseases (2012), 60(2), 299-307

Anorexia nervosa is a common psychiatric disorder that disproportionately affects adolescents and young adults and is associated with high rates of morbidity and mortality. Anorexia nervosa can affect the ... [more ▼]

Anorexia nervosa is a common psychiatric disorder that disproportionately affects adolescents and young adults and is associated with high rates of morbidity and mortality. Anorexia nervosa can affect the kidney in numerous ways, including increased rates of acute kidney injury and chronic kidney disease, electrolyte abnormalities, and nephrolithiasis. Additionally, the diagnosis and treatment of anorexia nervosa–associated kidney diseases are challenging, reflecting complications such as refeeding syndrome, as well as the limitations of serum creatinine level in this population to estimate kidney function and the psychosocial challenges inherent with treating systemic manifestations of psychiatric conditions. In this review, we discuss kidney diseases and kidney-associated conditions that occur in individuals with anorexia nervosa, summarizing many of the challenges in treating patients with this disease [less ▲]

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See detailMRI preclinical detection and asymptomatic course of a progressive multifocal leucoencephalopathy (PML) under natalizumab therapy.
Phan-Ba, Rémy ULg; LOMMERS, Emilie ULg; TSHIBANDA, Luaba ULg et al

in Journal of Neurology, Neurosurgery & Psychiatry (2012), 83

Early detection of progressive multifocal leucoencephalopathy (PML) in the setting of natalizumab therapy currently is performed by rapid evaluation of new symptoms occurring in treated patients. The role ... [more ▼]

Early detection of progressive multifocal leucoencephalopathy (PML) in the setting of natalizumab therapy currently is performed by rapid evaluation of new symptoms occurring in treated patients. The role of MR scanning has not been investigated but holds promise since MR detection is highly sensitive for PML lesions. The authors report a case of presymptomatic PML of the posterior fossa detected by MR scans. Immediate suspension of natalizumab and plasma exchanges resulted in a rapid decline of natalizumab serum concentration. Intravenous steroids started together with plasma exchanges followed by an oral tapering course were used to minimise the immune reconstitution inflammatory syndrome. No symptoms (beyond mild headache) developed, and the repeat PCR for JC Virus (JCV) DNA detection performed 10 weeks later was negative. This case suggests that: (1) periodic brain MR scans may detect signs of presymptomatic PML in MS patients treated with natalizumab, (2) corticosteroid management of inflammatory reaction may contribute to optimal control of the immune reconstitution inflammatory syndrome routinely seen with natalizumab-associated PML and (3) early radiological detection of PML can have an excellent outcome even in a clinically critical region and despite prior immunosuppressant exposure. The potential benefit of regular MR scanning just using the T2/FLAIR modalities could be further investigated in order to detect early natalizumab-associated PML, leading to benign outcomes. [less ▲]

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See detailNutritional disorders during acute renal failure and renal replacement therapy
WIESEN, Patricia ULg; VAN OVERMEIRE, Lionel ULg; DELANAYE, Pierre ULg et al

in JPEN Journal of Parenteral & Eternal Nutrition (2011), 35

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See detailAre the complications of arteriovenous fistulas associated with an abnormal Ankle-Brachial Index in hemodialysis patients?
Xhignesse, Patricia ULg; Saint-Remy, Annie ULg; Dubois, Bernard ULg et al

in Acta Clinica Belgica (2010), 65(1), 65

The peripheral artery disease is frequent among patients undergoing hemodialysis much more than in the general population. The ankle-brachial index (AB!) is a potent tool to screen this pathology. We ... [more ▼]

The peripheral artery disease is frequent among patients undergoing hemodialysis much more than in the general population. The ankle-brachial index (AB!) is a potent tool to screen this pathology. We analysed the relationship between ABI abnormal values and arteriovenous fistulas (AVF) complications such as stenosis and thrombosis among chronically hemodialysis pat ients (HD). [less ▲]

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