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Abstract
Twenty years after its introduction, peritoneal dialysis (PD) is a well-established alternative to hemodialysis (HD) as a modality of renal replacement therapy. Much debate and research is apparent in the literature, comparing hemodialysis and PD as “opposite” modalities and trying to ascertain which modality should be more optimal.In our opinion, HD and PD are two distinct modalities, each with its own advantages and disadvantages. In addition, it is clear that for both HD and PD, rates of technique failure are high, causing patients to transfer between modalities. The question is thus not which modality is best, but rather, which flow-chart of modalities makes best use of the advantages of each modality, while avoiding its disadvantages. In this respect, HD and PD appear to be complementary modalities.The better preservation of residual renal function, lower risk of infection with hepatitis B and C, better outcome after transplantation, preservation of vascular access, and lower costs are arguments to promote PD as a good initial treatment. When PD-related problems arise (adequacy, ultrafiltration, peritonitis, patient burnout), a timely transfer to HD has to be planned.This editorial tries to review arguments supporting the complementary nature of both modalities, and especially the role of PD as the first-line renal replacement therapy.
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Impact of Pretransplantation Dialysis Modality on Patient Outcome after Renal Transplantation: The Role of Peritoneal Dialysis Revisited. Perit Dial Int 2020. [DOI: 10.1177/089686089901900202] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Abstract
OBJECTIVES In this publication, we review the definitions, symptoms, causes, differential diagnoses and therapies of hypokalemia and hyperkalemia. METHODS Comprehensive tables and diagnostic algorithms are provided when appropriate. RESULTS AND CONCLUSIONS Although both hypokalemia and hyperkalemia may be life-threatening, this is essentially the case with severe changes (serum potassium < 2.5 or > 6.5 mmol/L), the presence of symptoms or electrocardiographic deviations, the association with aggravating factors (e.g. digitalis intake) and/or rapid acute changes. Only these truly need an emergency therapeutic approach. In all other cases, a careful consideration of the causes and their correction should prevail over additional approaches to modify serum potassium concentration. Although most therapeutic approaches to both hypokalemia and hyperkalemia have been well established since many years, recently two new intestinal potassium binders have been introduced on the market. It remains to be elucidated whether these drugs truly have an additional role on top of the existing treatments.
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Abstract
SummaryRecently, hirudin was used for the first time as an anticoagulant during hemodialysis in men. Pharmacokinetic data of this compound in end-stage renal failure are however not available. In this study, the pharmacokinetics of recombinant hirudin (HBW 023) was evaluated in hemodialysis-treated end-stage renal failure patients. HBW 023 was administered as a bolus at the start of a single dialysis (0.02 to 0.08 mg/kg) in 20 patients, and plasma hirudin levels were followed during this and the 5 following dialyses, without additional hirudin administration. The initial dialysis (HDj) was performed with a low flux polysulfone dialyzer; the following dialyses (up to HD6) with a high flux polysulfone dialyzer and regular heparin. Hirudin levels averaged 504.0 ± 214.0 and 527.7 ± 217.1 ng/ml in the middle and at the end of HDj, and then gradually decreased to 15.2 ± 15.2 ng/ml at the end of HD6. Pharmacokinetic data were compared to those obtained in healthy controls (n = 5), receiving the same dose, and reaching the same peak hirudin level. Hirudin half-life was >30 times longer in hemodialysis patients (51.8 ± 15.6 vs. 1.7 ± 1.5 h, p <0.001), whereas area under the curve was >60 times higher (34,669 ± 14,898 vs. 545 ± 205 ng/ml X h, p <0.001). Distribution volume was lower in hemodialysis patients (11.0 ± 3.1 vs. 14.1 ± 2.0 1, p <0.05). Hirudin disappearance rate was the same during high flux polysulfone dialysis as during interdialytic periods. Hirudin removal was markedly higher in those patients still maintaining some residual renal function and parameters of hirudin removal were significantly correlated to residual creatinine clearance. It is concluded that hirudin removal from the body is markedly depressed in hemodialyzed end-stage renal failure patients and that even minor residual renal function may increase this removal rate.
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Complications of Subclavian Catheter Hemodialysis: A 5 Year Prospective Study in 257 Consecutive Patients. Int J Artif Organs 2018. [DOI: 10.1177/039139888200500506] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The complications related to the use of subclavian catheters for hemodialysis were prospectively studied in 257 consecutive acute and chronic renal failure patients. Using 394 catheters, 3006 single needle dialyses were performed. Indications for starting catheter dialysis were mainly the absence or disappearance of an adequate vascular access. Most hazardous complications were sepsis (9), malposition (6), hemothorax (3), bleeding (2), vena cava thrombosis (2) and pneumothorax (2). A number of mechanical problems occurred, where the obstructed catheter could easily be replaced by a modified Seldinger technique. No mortal complications occurred. Patient tolerance was excellent. It is concluded that single needle subclavian hemodialysis is a valuable alternative vascular access method in acute situations. It enables the continuation of hemodialysis on an ambulatory basis.
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Comparison of two Methods for the Estimation of Urea Kinetics and Introduction of a Third Simplified Method. Int J Artif Organs 2018. [DOI: 10.1177/039139889001301006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
It has been claimed that computed urea kinetic (UK) modelling in hemodialysed patients, for the estimation of protein intake, leads to an overestimation of protein catabolic rate (PCR). In the present study, three different methods of kinetic modelling for the determination of PCR and Kt/V are compared in 24 patients. The first method was the direct quantification method (DDQ) based on the collection of all urea eliminated from the body. The first computed method (ICMI) was the urea kinetic modelling method as described by Sargent. Dialyzer clearances were measured directly and not estimated by theoretical extrapolation. The second computed method (ICMII) is based on the indirect calculation of urea distribution volume (Vu), according to Watson, and of dialyzer clearances from this Vu and from pre- and post-dialysis urea concentrations. All three methods resulted in PCR's that were not significantly different (DDQ: 1.03 ± 0.19; ICMI: 1.04 ± 0.22; ICMII: 1.08 ± 0.25 mg/Kg BW.24 hrs; p > 0.05). When the results were correlated, the following results were obtained: ICMI vs ICMII: r = 0.89, p < 0.001; ICMI vs DDQ: r = 0.68, p < 0.01; DDQ vs ICMII: r = 0.78, p < 0.001. Intermutual comparison of Kt/V values resulted in virtually identical results, especially when comparing ICMI and ICMII, where the regression line equalled the identity line. In conclusion, all methods seem equally reliable in determining mean PCR and Kt/V. Our data, obtained with directly measured dialyzer urea clearances, do not confirm the earlier held opinion that computed modelling results in an overstimation of PCR. The newly developed third method (ICMII) appears to be as equally reliable as the two other methods, but is easier to perform and less labour intensive.
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Abstract
Single needle dialysis is used as a method of vascular access in many European dialysis centres. However, recirculation has been incriminated as a disadvantage of this procedure. According to in vitro studies, recirculation should be limited to a minimum when using double lumen needles. The present study makes an in vivo comparison between single and double lumen needles in unipuncture (single needle) dialysis of the type double headpump (Bellco, BL 760) and studies the role of recirculation in dialysis performance. Although recirculation is significantly reduced with the double lumen needle, compared to the single lumen needle, the clearance of small molecules is not significantly different for both needle types.
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Abstract
This study presents an average follow up per patient of 33.5 ± 3.7 and 70.1 ± 5.9 months (hospital and home dialysis) showing an actuarial fistula survival rate of 86.2% and 85.5% respectively after 5 years. The data suggest a satisfactory survival rate of the fistula when a single needle technique is used in comparison to the survival observed with the two needles technique.
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Phagocyte Metabolic Activity during Hemodialysis with Different Dialyzers Not Affecting the Number of Circulating Phagocytes. Int J Artif Organs 2018. [DOI: 10.1177/039139889201500205] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Overall leukocyte counts decrease during certain forms of hemodialysis, but little information is available on the intradialytic evolution of phagocytic metabolic function, especially during dialysis with dialyzers not affecting the number of circulating phagocytes. This study evaluated the phagocytic capacity of granulocytes and monocytes to generate CO2 out of glucose under basic unchallenged conditions and after stimulation with latex or zymosan, before and after 15, 60 and 240 minutes of dialysis with reused cuprophan, AN69S, polysulphone, polymethylmethacrylate and hemophan hemodialyzers. Phagocytic metabolic function was assessed in whole blood on the basis of 14CO2-production from labelled glucose during the phagocytic process. There were no changes in basic unchallenged CO2-production with any of the dialyzers. Reactivity to latex and zymosan, expressed per number of phagocytes, showed no decrease, irrespective of the membrane type. For polymethylmethacrylate and reused cuprophan, a slight but significant increase in metabolic reactivity was observed in response to latex and zymosan. The test employed may give a screening picture of the phagocytic reaction to contact with dialyzers and membranes and thus of their degree of biocompatibility towards the phagocyte system.
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Advanced Glycation end Products: Specific Fluorescence Changes of Pentosidine-Like Compounds during Short Daily Hemodialysis. Int J Artif Organs 2018. [DOI: 10.1177/039139880102400503] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Advanced glycation end products (AGE) accumulate in uremia and represent an important etiopathogenetic cause of morbidity in dialyzed patients. Conventional hemodialysis treatment seems to be ineffective in lowering AGE levels. We wished to investigate whether daily hemodialysis (DHD), a treatment that seems to result in better clinical condition in end-stage renal disease patients, is effective in the reduction of these compounds. Methods We evaluated 10 non-diabetic patients on standard hemodialysis (SHD = 3 × 4h/week) for more than 6 months by a crossover study. These patients were assigned randomly to 6 months of DHD (6 × 2h/week) or 6 months of SHD. Then, they were switched to 6 months of the alternative treatment. At the end of these two periods, we studied pentosidine-like AGE compounds by measuring the total fluorescence at a wavelength characteristic for these substances: Ex: 335nm / Em:385nm; we also measured protein-linked pentosidine at the same time points. Finally, we determined the AGE-related total fluorescence in the deproteinized serum of 13 uremic patients on peritoneal dialysis (CAPD) and of 10 healthy controls. Results Pre-HD AGE-related total fluorescence obtained after 6 months of DHD was significantly lower than that obtained with standard HD (DHD = 201.3 ± 36.4 AU/ml vs. SHD = 267.5 ± 141.4 AU/ml, p=0.03). The extraction rate per minute of dialysis was slightly, but not significantly higher during DHD than SHD (0.29 ± 0.11% vs. 0.23 ± 0.04, p = 0.07). AGE-related total fluorescence pre-HD values in patients treated by SHD and DHD were about 20-fold higher than in control subjects. They did not differ from CAPD patients. The pre-dialysis level of protein-linked pentosidine was significantly lower in DHD than in SHD (DHD = 16.12 ± 4.71 pmol/mg protein, SHD = 22.64 ± 6.86 pmol/mg protein, p < 0.01). Conclusions DHD showed a reduction in AGE-related total fluorescence, although the mean value remained higher than in control subjects. DHD is also accompanied by a decrease in protein-linked pentosidine.
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18
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Abstract
Recirculation is an important factor in single needle dialysis and, if high, can compromise treatment efficiency. To provide information regarding recirculation characteristics of access devices used in single needle dialysis, we have developed a new technique to characterise recirculation and have used this to measure the recirculation of a Terumo 15G fistula needle and a VasCath SC2300 single lumen catheter. The experimentally obtained results agreed well with those established clinically (8.5 ± 2.4% and 18.4 ± 3.4%). The experimental results have also demonstrated a dependence on access type, pump speeds and fistula flow rate. A comparison of experimental data with theoretical predictions showed that the latter exceeded those measured with the largest contribution being due to the experimental fistula.
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Abstract
The uremic syndrome is a complex mixture of organ dysfunctions, which is attributed to the retention of a myriad of compounds that under normal condition are excreted by the healthy kidneys (uremic toxins). In the area of identification and characterization of uremic toxins and in the knowledge of their pathophysiologic importance, major steps forward have been made during recent years. The present article is a review of several of these steps, especially in the area of information about the compounds that could play a role in the development of cardiovascular complications. It is written by those members of the Uremic Toxins Group, which has been created by the European Society for Artificial Organs (ESAO). Each of the 16 authors has written a state of the art in his/her major area of interest.
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Book Received and Book Review. Acta Clin Belg 2016. [DOI: 10.1080/17843286.1998.11754155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Book Reviews. Acta Clin Belg 2016. [DOI: 10.1080/17843286.1999.11754227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Book Reviews. Acta Clin Belg 2016. [DOI: 10.1080/17843286.1996.11718499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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FP292NON-TARGETED METABOLOMICS APPROACHES FOR ELUCIDATION OF NOVEL DIAGNOSTIC MARKERS IN CHRONIC KIDNEY DISEASE. Nephrol Dial Transplant 2015. [DOI: 10.1093/ndt/gfv174.27] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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FP227REDUCTION OF THE eGFR EXPRESSED AS PERCENTAGE CHANGE OF THE SLOPE PER YEAR MAY DISCRIMINATE CKD PATIENTS WITH FAST PROGRESSION. Nephrol Dial Transplant 2015. [DOI: 10.1093/ndt/gfv173.09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Hybrid bioartificial kidney: pitfalls and present state of the art. CONTRIBUTIONS TO NEPHROLOGY 2015; 103:160-7. [PMID: 8354058 DOI: 10.1159/000422284] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Phagocytic function in dialysis. CONTRIBUTIONS TO NEPHROLOGY 2015; 113:72-9. [PMID: 7712724 DOI: 10.1159/000424216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Phagocytic activity of leukocytes induced by different dialyzer membranes. CONTRIBUTIONS TO NEPHROLOGY 2015; 74:86-90. [PMID: 2518453 DOI: 10.1159/000417475] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Should patients with CKD stage 5D and biochemical evidence of secondary hyperparathyroidism be prescribed calcimimetic therapy? An ERA-EDTA position statement. Nephrol Dial Transplant 2015; 30:698-700. [DOI: 10.1093/ndt/gfv050] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 02/02/2015] [Indexed: 11/12/2022] Open
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Development and validation of an ultra-high performance liquid chromatography-tandem mass spectrometry method to measure creatinine in human urine. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 988:88-97. [PMID: 25756209 DOI: 10.1016/j.jchromb.2015.02.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 02/18/2015] [Accepted: 02/20/2015] [Indexed: 11/19/2022]
Abstract
Despite decades of creatinine measurement in biological fluids using a large variety of analytical methods, an accurate determination of this compound remains challenging. Especially with the novel trend to assess biomarkers on large sample sets preserved in biobanks, a simple and fast method that could cope with both a high sample throughput and a low volume of sample is still of interest. In answer to these challenges, a fast and accurate ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was developed to measure creatinine in small volumes of human urine. In this method, urine samples are simply diluted with a basic mobile phase and injected directly under positive electrospray ionization (ESI) conditions, without further purification steps. The combination of an important diluting factor (10(4) times) due to the use of a very sensitive triple quadrupole mass spectrometer (XEVO TQ) and the addition of creatinine-d3 as internal standard completely eliminates matrix effects coming from the urine. The method was validated in-house in 2012 according to the EMA guideline on bioanalytical method validation using Certified Reference samples from the German External Quality Assessment Scheme (G-Equas) proficiency test. All obtained results for accuracy and recovery are within the authorized tolerance ranges defined by G-Equas. The method is linear between 0 and 5 g/L, with LOD and LOQ of 5 × 10(-3) g/L and 10(-2) g/L, respectively. The repeatability (CV(r) = 1.03-2.07%) and intra-laboratory reproducibility (CV(RW) = 1.97-2.40%) satisfy the EMA 2012 guideline. The validated method was firstly applied to perform the German G-Equas proficiency test rounds 51 and 53, in 2013 and 2014, respectively. The obtained results were again all within the accepted tolerance ranges and very close to the reference values defined by the organizers of the proficiency test scheme, demonstrating an excellent accuracy of the developed method. The method was finally applied to measure the creatinine concentration in 210 urine samples, coming from 190 patients with a chronic kidney disease (CKD) and 20 healthy subjects. The obtained creatinine concentrations (ranging from 0.12 g/L up to 3.84 g/L) were compared, by means of a Passing Bablok regression, with the creatinine contents obtained for the same samples measured using a traditional compensated Jaffé method. The UHPLC-MS/MS method described in this paper can be used to normalize the concentration of biomarkers in urine for the extent of dilution.
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The paradox of bardoxolone methyl: a call for every witness on the stand? Diabetes Obes Metab 2015; 17:9-14. [PMID: 25041694 DOI: 10.1111/dom.12356] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 07/07/2014] [Accepted: 07/07/2014] [Indexed: 01/09/2023]
Abstract
People with type 2 diabetes and chronic kidney disease (CKD) remain an extremely vulnerable population with increased cardiovascular morbidity, mortality and mounting societal costs. As such, any effort to improve their dismal outcome is heavily supported. Yet, most drugs fail to replicate the promising signals of early experiments in humans in large and methodologically sound trials. As a recent example, an independent data and safety committee advised the termination of a phase 3 trial due to excessive cardiovascular disease and especially heart failure in patients allocated to the antioxidant synthetic triterpenoid bardoxolone methyl versus placebo. We evaluate the reasons why this outcome in hindsight was possibly not totally unexpected and develop a mechanistic model that shows that the consistent drop in serum magnesium concentration in patients exposed to bardoxolone methyl might have contributed to the development of heart failure. As such, this trial, despite its negative outcome, might provide additional pieces of the puzzle enabling us to get a better grip on diseases that share increased inflammation and oxidative stress, such as type 2 diabetes, metabolic syndrome, heart failure and CKD.
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Single point measurement of cystatin C has similar performance as serum creatinine for assessment of kidney function in critically ill patients. Crit Care 2015. [PMCID: PMC4471238 DOI: 10.1186/cc14369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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AKI in early sepsis is a continuum from transient AKI without tubular damage over transient AKI with minor tubular damage to intrinsic AKI with severe tubular damage. Int Urol Nephrol 2014; 46:2003-8. [PMID: 25189154 DOI: 10.1007/s11255-014-0822-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Accepted: 08/19/2014] [Indexed: 11/26/2022]
Abstract
PURPOSE The pathophysiology of septic acute kidney injury (AKI) is incompletely understood, and there is controversy on the role of renal hypoperfusion in early sepsis. We hypothesized that renal hypoperfusion plays a role in early sepsis and that there is a continuum between transient AKI without tubular damage, transient AKI with minor tubular damage, and intrinsic AKI. METHODS A total of 107 consecutive patients with sepsis were included. Fractional excretion of sodium (FENa), urinary, and serum neutrophil gelatinase-associated lipocalin were measured at admission (T0) and 4 h (T4) and 24 h later (T24). Patients were classified according to FENa quartiles (FENaQ). Transient and intrinsic AKI were respectively defined as AKI that did or did not recover to no AKI in the following 5 days. RESULTS A total of 57 developed transient AKI, 22 developed intrinsic AKI, and 28 did not have AKI. Of the ten patients with transient AKI classified in the two lowest FENa quartiles (FENa < 0.36 %) and without signs of local tubular damage, seven still did not show signs of tubular damage 24 h later. Also, 50 % of patients with intrinsic AKI classified in the same FENaQ did not show signs of local tubular damage at admission but did so 24 h later. CONCLUSIONS There is a continuum between transient AKI without tubular damage, transient AKI with minor tubular damage, and intrinsic AKI in sepsis. Renal hypoperfusion seems to be the instigator for the development of AKI in the majority of patients with early sepsis. Other mechanisms in some patients cannot be excluded.
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Erratum. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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MEDICAL LIABILITY, GENERAL INTRODUCTION. Acta Clin Belg 2014. [DOI: 10.1179/acb.2002.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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HAEMODIALYSIS TECHNIQUES AND ADEQUACY 1. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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UREMIC TOXICITY. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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PATHOLOGY: IMMUNE AND INFLAMMATORY MECHANISMS. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Are there better alternatives than haemoglobin A1c to estimate glycaemic control in the chronic kidney disease population? Nephrol Dial Transplant 2014; 29:2167-77. [DOI: 10.1093/ndt/gfu006] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Abstract
Delayed and slow graft function (DGF/SGF) in de novo kidney transplantation endanger outcomes of graft and patient, while predisposing the patient to acute rejection and lesser graft function. Causes and work-up of DGF/SGF are described in the present paper. Also, the epidemiology and pathophysiology of chronic renal failure both in kidney graft recipients and in recipients of other solid organs is discussed, especially in relation to calcineurin inhibitor (CNI) immunosuppression. An acute kidney injury event will have a greater and faster impact on impaired renal reserve in case of chronic renal failure. Major causes of acute kidney injury (AKI) of the native kidneys of solid organ recipients and of the transplanted kidney are: severe infections, acute toxic kidney injury caused by CNI treatment concomitant CYP450 3A4 inhibiting medication, toxic and infectious events inducing haemolytic uraemic syndrome, toxic rhabdomyolysis, acute interstitial nephritis, rapid IV immunoglobulin infusion and exposure to other well-known nephrotoxins, such as NSAIDs, amphotericin and aminoglycosides.
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Bedside monitoring of anticoagulation in chronic haemodialysis patients treated with tinzaparin. Nephrol Dial Transplant 2013; 29:1092-6. [DOI: 10.1093/ndt/gft508] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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A European Renal Best Practice (ERBP) position statement on the Kidney Disease Improving Global Outcomes (KDIGO) Clinical Practice Guidelines on Acute Kidney Injury: part 2: renal replacement therapy. Nephrol Dial Transplant 2013; 28:2940-5. [DOI: 10.1093/ndt/gft297] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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A European Renal Best Practice (ERBP) position statement on the Kidney Disease: Improving Global Outcomes (KDIGO) Clinical Practice Guideline for the Management of Blood Pressure in Non-dialysis-dependent Chronic Kidney Disease: an endorsement with some caveats for real-life application. Nephrol Dial Transplant 2013; 29:490-6. [DOI: 10.1093/ndt/gft321] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Cinacalcet for managing secondary hyperparathyroidism in dialysis patients in clinical practice in Belgium: a 16-month observational study (ECHO-B). Acta Clin Belg 2013; 68:275-81. [PMID: 24455797 DOI: 10.2143/acb.3231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In Belgium, the calcimimetic cinacalcet is initially reimbursed for < or = 4 months in dialysis patients with secondary hyperparathyroidism (SHPT) and intact parathyroid hormone (iPTH) > or = 800 pg/mL, or iPTH 300-800 pg/ mL and Ca x P > 55 mg 2/dL2 despite > or = 6 months' optimal treatment with vitamin D sterols and/or phosphate binders. The Belgian, multicentre, observational study ECHO-B evaluated cinacalcet in such patients. Patients who began cinacalcet treatment after March 1, 2007 were eligible. Data were collected retro/prospectively from 6 months before until 16 months after starting cinacalcet (whether or not cinacalcet was continued). Median iPTH was markedly elevated (816 [IQR 551-991] pg/mL) at baseline (the time of starting cinacalcet), but decreased continuously over the course of the study, reaching a value of 414 pg/mL (IQR 240-641; median change -41%) at 4 months, 335 pg/mL (IQR 159-616; -60%) at 12 months and 250 pg/mL (IQR 172-436; -64%) at 16 months. Reductions in serum calcium (-7%) and phosphorus (-13%) were already (near) maximal at 4 months. The primary outcome (iPTH 150-300 pg/mL and/or a > or = 30% reduction within 4 months of starting cinacalcet; criterion for continued reimbursement in Belgium) was achieved in 65/81 patients (80%; 95% CI 72-89%). Results show that in dialysis patients with SHPT in real-life clinical practice, mineral metabolism improves after starting cinacalcet: our study findings suggest that PTH levels may continue decreasing after 12 months' treatment in this setting.
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Extracorporeal dialysis: techniques and adequacy II. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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