Prof.dr. W. Weimar

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Erasmus University Rotterdam (34)

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Preload dependence of new Doppler techniques limits their utility for left ventricular diastolic function assessment in hemodialysis patients (2003)Open access

Authors:	Vletter, W.B. (Wim); Nette, R.W. (Robert); Weimar, W. (Willem); Zietse, R. (Robert); Roelandt, J.R.T.C. (Jos); Ie, E.H.Y. (Eric); Cate, ten F.J. (Folkert)
In:	American Society of Nephrology. Journal. ISSN 1046-6673.

Abstract:

Left ventricular (LV) hypertrophy leads to diastolic dysfunction. Standard Doppler transmitral and pulmonary vein (PV) flow velocity measurements are preload dependent. New techniques such as mitral annulus velocity by Doppler tissue imaging (DTI) and LV inflow propagation velocity

Living renal donors: optimizing the imaging strategy--decision- and cost-effectiveness analysis (2003)Open access

Authors:	Liem, Y.S. (Ylian Serina); Kock, M.C.J.M. (Marc); Weimar, W. (Willem); Visser, K. (Karen); Hunink, M.G.M. (Myriam); IJzermans, J.N.M. (Jan)
In:	Radiology. ISSN 0033-8419.

Abstract:

PURPOSE: To determine the most cost-effective strategy for preoperative imaging performed in potential living renal donors. MATERIALS AND METHODS: In a decision-analytic model, the societal cost-effectiveness of digital subtraction angiography (DSA), gadolinium-enhanced magnetic re

Differential expression of heme oxygenase-1 and vascular endothelial growth factor in cadaveric and living donor kidneys after ischemia-reperfusion (2003)Open access

Authors:	Lemos, F.B.C. (Francine); Zondervan, P.E. (Pieter); Peeters, A.M. (Annemiek); Engel, van den S. (Sandra); Mol, W.M. (Wendy); Weimar, W. (Willem); Baan, C.C. (Carla); IJzermans, J.N.M. (Jan)
In:	American Society of Nephrology. Journal. ISSN 1046-6673.

Abstract:

The extent of graft damage after ischemia-reperfusion reflects the balance between deleterious events and protective factors. Heme oxygenase-1 (HO-1) and vascular endothelial growth factor (VEGF) may contribute to cytoprotection by their anti-inflammatory and antiapoptotic properti

Yersinia pseudotuberculosis bacteraemia in a kidney transplant patient (2002)Open access

Authors:	Zonneveld, van M.; Droogh, J.M.; Gyssens, I.C. (Inge); Gelder, van T. (Teun); Weimar, W. (Willem); Fieren, M.W.J.A. (Marien)
In:	Nephrology, Dialysis, Transplantation. ISSN 0931-0509.

Withdrawal of cyclosporine or prednisone six months after kidney transplantation in patients on triple drug therapy: a randomized, prospective, multicenter study (2002)Open access

Authors:	Smak Gregoor, P.J.H. (Peter); Sevaux, de R.G.; Ligtenberg, G.; Hoitsma, A.J. (Andries); Hene, R.J.; Weimar, W. (Willem); Hilbrands, L.B. (Luuk); Gelder, van T. (Teun)
In:	American Society of Nephrology. Journal. ISSN 1046-6673.

Abstract:

Uncertainty exists regarding the necessity of continuing triple therapy consisting of mycophenolate mofetil (MMF), cyclosporine (CsA), and prednisone (Pred) after kidney transplantation (RTx). At 6 mo after RTx, 212 patients were randomized to stop CsA (n = 63), stop Pred (n = 76),

Impact of intraoperative donor management on short-term renal function after laparoscopic donor nephrectomy (2002)Open access

Authors:	Hazebroek, E.J.; Gommers, D.A.M.P.J. (Diederik); Schreve, M.A.; Gelder, van T. (Teun); Roodnat, J.I. (Joke); Weimar, W. (Willem); Bonjer, H.J. (Jaap); IJzermans, J.N.M. (Jan)
In:	Annals of Surgery. ISSN 0003-4932.

Abstract:

OBJECTIVE: To determine whether intraoperative diuresis, postoperative recovery, and early graft function differ between laparoscopic open nephrectomy (LDN) and open donor nephrectomy (ODN). SUMMARY BACKGROUND DATA: Laparoscopic donor nephrectomy can reduce donor complications in

Intragraft interleukin 2 mRNA expression during acute cellular rejection and left ventricular total wall thickness after heart transplantation (2002)Open access

Authors:	Groot-Kruseman, de H.A.; Baan, C.C. (Carla); Hagman, E.M.; Mol, W.M. (Wendy); Niesters, H.G.M. (Bert); Zondervan, P.E. (Pieter); Weimar, W. (Willem); Balk, A.H.M.M. (Aggie); Maat, A.W.P.M. (Alex)
In:	Heart: an international peer-reviewed journal for health professionals and researchers in all areas of cardiology, 87(4), 363 - 367. ISSN 1355-6037.

Abstract:

OBJECTIVE: To assess whether diastolic graft function is influenced by intragraft interleukin 2 (IL-2) messenger RNA (mRNA) expression in rejecting cardiac allografts. DESIGN: 16 recipients of cardiac allografts were monitored during the first three months after transplantation. Th

Specific effect of the infusion of glucose on blood volume during haemodialysis (2002)Open access

Authors:	Nette, R.W. (Robert); Krepel, H.P.; Meiracker, van den A.H. (Anton); Weimar, W. (Willem); Zietse, R. (Robert)
In:	Nephrology, Dialysis, Transplantation. ISSN 0931-0509.

Abstract:

BACKGROUND: Intradialytic morbid events such as hypotension and cramps during haemodialysis are generally treated by infusion of iso- or hypertonic solutions. However, differences may exist between solutions with respect to plasma refilling and vascular reactivity. METHODS: We

Quantitative flow cytometry shows activation of the TNF-alpha system but not of the IL-2 system at the single cell level in renal replacement therapy (2001)Open access

Authors:	Baan, C.C. (Carla); Knoop, Ch.; Loonen, E.H.; Zietse, R. (Robert); Weimar, W. (Willem); Riemsdijk-van Overbeeke, van I.C. (Iza)
In:	Nephrology, Dialysis, Transplantation. ISSN 0931-0509.

Abstract:

BACKGROUND: Immunological dysfunction in patients on haemodialysis may be related to imbalanced cytokine systems, such as tumour necrosis factor (TNF)-alpha and interleukin (IL)-2. Despite activation of these systems, haemodialysis patients show high susceptibility for

Variability of relative blood volume during haemodialysis (2000)Open access

Authors: Krepel, H.P.; Nette, R.W. (Robert); Akcahuseyin, E. (Emin); Weimar, W. (Willem); Zietse, R. (Robert)
In: Nephrology, Dialysis, Transplantation. ISSN 0931-0509.

Abstract:
BACKGROUND: A decrease in blood volume is thought to play a role in dialysis-related hypotension. Changes in relative blood volume (RBV) can be assessed by means of continuous haematocrit measurement. We studied the variability of RBV changes, and the relation between R

Authors:	Krepel, H.P.; Nette, R.W. (Robert); Akcahuseyin, E. (Emin); Weimar, W. (Willem); Zietse, R. (Robert)
In:	Nephrology, Dialysis, Transplantation. ISSN 0931-0509.

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