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Total 35 results found since Jan 2013.

Vitamin K antagonists for stroke prevention in hemodialysis patients with atrial fibrillation: a systematic review and meta-analysis
Conclusion Our meta-analysis revealed a trend for a reduction of the risk of ischemic stroke in hemodialysis patients with AF treated with VKA. The true protective effect may have been underestimated, owing to inclusion of low-risk patients not expected to benefit from anticoagulation and to suboptimal anticoagulation. However, assessment of the overall effect of VKA in hemodialysis patients should also take into account the increased risk of bleeding, in particular of hemorrhagic stroke. Whether new oral anticoagulants provide a better benefit–risk ratio in hemodialysis patients should be the subject of future trials.
Source: American Heart Journal - October 4, 2016 Category: Cardiology Source Type: research

Choosing a particular oral anticoagulant and dose for stroke prevention in individual patients with non-valvular atrial fibrillation: part 2
<span class="paragraphSection">The choice of oral anticoagulant (OAC) for patients with atrial fibrillation (AF) may be influenced by individual clinical features or by patterns of risk factors and comorbidities. We reviewed analyses of subgroups of patients from trials of vitamin K antagonists vs. non-vitamin K oral anticoagulants (NOACs) for stroke prevention in AF with the aim to identify patient groups who might benefit from a particular OAC more than from another. In addition, we discuss the timing of initiation of anticoagulation. In the second of a two-part review, we discuss the use of NOAC for stroke prevent...
Source: European Heart Journal - February 4, 2016 Category: Cardiology Source Type: research

Primary Prevention of Stroke in Chronic Kidney Disease Patients: A Scientific Update
Background: Although chronic kidney disease (CKD) is an independent risk factor for stroke, official recommendations for the primary prevention of stroke in CKD are generally lacking.Summary: We searched PubMed and ISI Web of Science for randomised controlled trials, observational studies, reviews, meta-analyses and guidelines referring to measures of stroke prevention or to the treatment of stroke-associated risk factors (cardiovascular disease in general and atrial fibrillation (AF), arterial hypertension or carotid artery disease in particular) among the CKD population. The use of oral anticoagulation in AF appears safe...
Source: Cerebrovascular Diseases - January 9, 2018 Category: Neurology Source Type: research

Effects of parathyroid hormone and vitamin D supplementation on stroke among patients receiving peritoneal dialysis
Continuous ambulatory peritoneal dialysis (CAPD) patients have a high incidence of stroke and commonly have increased parathyroid hormone levels and vitamin D insufficiency. We seek to investigate the incidenc...
Source: BMC Nephrology - May 18, 2020 Category: Urology & Nephrology Authors: Xiaohan You, Ying Zhou, Jianna Zhang, Qiongxiu Zhou, Yanling Shi, Zhen Su, Chaoshen Chen, Rongrong Shao and Ji Zhang Tags: Research article Source Type: research

Effects of Sleepiness on Survival in Japanese Hemodialysis Patients: J-DOPPS Study
Sleep disorder and poor sleep quality are common in chronic hemodialysis (HD) patients. They have been claimed as a cause of morbidity and mortality. The relationship between the degree of sleepiness and survival has not been studied. We studied the degree of sleepiness in 1,252 adult HD patients (age ≥20 years) recruited into the Dialysis Outcomes Practice Pattern Study in Japan (J-DOPPS III), using the Japanese version of the Epworth Sleepiness Scale (JESS) questionnaire. Demographic data were presented for three subgroups: low, intermediate, and high JESS score. Cox proportional hazard regression analysis was performe...
Source: Nephron Clinical Practice - January 8, 2015 Category: Urology & Nephrology Source Type: research

Dose-Finding Study of Rivaroxaban in Hemodialysis Patients
Conclusions A 10-mg dose of rivaroxaban in hemodialysis patients without residual kidney function results in drug exposure similar as published for 20mg in healthy volunteers. Rivaroxaban is not eliminated by dialysis. There is no accumulation after multiple daily dosing. The efficacy and safety of rivaroxaban in hemodialysis patients should be the subject of a large randomized trial.
Source: American Journal of Kidney Diseases - June 22, 2015 Category: Urology & Nephrology Source Type: research

Dabigatran treatment simulation in patients undergoing maintenance haemodialysis.
This study simulated the dose-exposure relationship of dabigatran in patients undergoing haemodialysis. Dabigatran exposure was modelled at once- and twice-daily doses of 75 mg, 110 mg and 150 mg and at variations in non-renal clearance and dialysis settings. Resultant dose exposure (area under the curve [AUC]) was compared with values simulated from typical patients in the RE-LY® trial (based on a previously characterised pharmacometric model). In this simulation, all twice-daily dosages resulted in exposures above those simulated from typical RE-LY patients (1.5- to 3.3-fold increase in AUC) and thus may not be optimal ...
Source: Thrombosis and Haemostasis - October 15, 2015 Category: Hematology Authors: Liesenfeld KH, Clemens A, Kreuzer J, Brueckmann M, Schulze F Tags: Thromb Haemost Source Type: research

The Atrial Fibrillation Conundrum in Dialysis Patients
Publication date: Available online 23 January 2016 Source:American Heart Journal Author(s): An S. De Vriese, Rogier Caluwé, Paolo Raggi The burden of atrial fibrillation (AF) and the risk of stroke are high in dialysis patients. The decision to use anticoagulation rests heavily on effective risk stratification. As both the pathophysiology of the disease and the response to therapy differ in dialysis, data from the general population cannot be extrapolated. The effect of vitamin K antagonists (VKA) on the risk of stroke in dialysis patients with AF has not been studied in randomized trials. The available observational...
Source: American Heart Journal - January 25, 2016 Category: Cardiology Source Type: research

The effects of vitamin K supplementation and vitamin K antagonists on progression of vascular calcification: ongoing randomized controlled trials
Conclusion Vitamin K deficiency may be a modifiable cardiovascular risk factor in the haemodialysis population. Conversely, vitamin K antagonists may aggravate VC burden in haemodialysis patients. Several ongoing trials may provide an answer to these questions in the near future.
Source: CKJ: Clinical Kidney Journal - March 15, 2016 Category: Urology & Nephrology Authors: Caluwe, R., Pyfferoen, L., De Boeck, K., De Vriese, A. S. Tags: CKD-MBD Source Type: research

Atrial fibrillation in dialysis patients: time to abandon warfarin?
Abstract Atrial fibrillation (AF) is a frequent clinical complication in dialysis patients, and warfarin therapy represents the most common approach for reducing the risk of stroke in this population. However, current evidence based on observational studies, offer conflicting results, whereas no randomized controlled trials have been carried out so far. Additionally, many clinicians are wary of the possible role of warfarin as vascular calcification inducer and its potential to increase the high risk of bleeding among patients on dialysis. Ideally the most promising therapy would be based on direct inhibitors of f...
Source: The International Journal of Artificial Organs - April 8, 2016 Category: Transplant Surgery Authors: Brancaccio D, Neri L, Bellocchio F, Barbieri C, Amato C, Mari F, Canaud B, Stuard S Tags: Int J Artif Organs Source Type: research

Interventions for lowering plasma homocysteine levels in dialysis patients.
CONCLUSIONS: Homocysteine-lowering therapies were not found to reduce mortality (cardiovascular and all-cause) or cardiovascular events among people with ESKD. PMID: 27243372 [PubMed - as supplied by publisher]
Source: Cochrane Database of Systematic Reviews - May 30, 2016 Category: Journals (General) Authors: Nigwekar SU, Kang A, Zoungas S, Cass A, Gallagher MP, Kulshrestha S, Navaneethan SD, Perkovic V, Strippoli GF, Jardine MJ Tags: Cochrane Database Syst Rev Source Type: research

Management of patients with atrial fibrillation and chronic kidney disease in light of the latest guidelines.
Authors: Młodawska E, Tomaszuk-Kazberuk A, Łopatowska P, Musiał WJ, Małyszko J Abstract Atrial fibrillation (AF) frequently occurs in patients with chronic kidney disease (CKD), and the rate reaches even 30% in patients with end-stage renal disease (ESRD). Patients with AF and CKD have a significantly higher risk of thrombotic complications, particularly ischemic stroke, and at the same time, a higher bleeding risk (proportionally to the grade of renal failure). In addition, AF and CKD share a number of comorbidities and risk factors, which results in increased mortality rates. Moreover, disturbances in hemosta...
Source: Polskie Archiwum Medycyny Wewnetrznej - June 2, 2016 Category: Internal Medicine Tags: Pol Arch Med Wewn Source Type: research

Patients' Characteristics Affect the Survival Benefit of Warfarin Treatment for Hemodialysis Patients with Atrial Fibrillation. A Historical Cohort Study
Background: Stroke prevention in dialysis-dependent patients with atrial fibrillation (AF) is an unresolved clinical dilemma. Indeed, no randomized controlled trial evaluating the efficacy and safety of oral anticoagulants in this population, has been conducted so far. Observational research on the use of warfarin in patients on dialysis has shown conflicting results. This uncertainty is mirrored by the wide variations in warfarin prescription patterns across centers. We sought to evaluate the association between the use of vitamin K antagonists (VKAs) and mortality among hemodialysis patient with AF and to assess potentia...
Source: American Journal of Nephrology - September 6, 2016 Category: Neurology Source Type: research

Patients' Characteristics Affect the Survival Benefit of Warfarin Treatment for Hemodialysis Patients with Atrial Fibrillation. A Historical Cohort Study.
CONCLUSION: VKA may provide an early survival benefit; however, this is partially offset later during the follow-up. In addition, heterogeneous risk-benefit profiles were observed among subgroups of dialysis-dependent patients with AF, further emphasizing the complexities of tailoring stroke prevention strategies in this population. PMID: 27598317 [PubMed - as supplied by publisher]
Source: American Journal of Nephrology - September 6, 2016 Category: Urology & Nephrology Authors: Brancaccio D, Neri L, Bellocchio F, Barbieri C, Amato C, Mari F, Canaud B, Stuard S Tags: Am J Nephrol Source Type: research

Effects of Sleepiness on Survival in Japanese Hemodialysis Patients: J-DOPPS Study
Sleep disorder and poor sleep quality are common in chronic hemodialysis (HD) patients. They have been claimed as a cause of morbidity and mortality. The relationship between the degree of sleepiness and survival has not been studied. We studied the degree of sleepiness in 1,252 adult HD patients (age ≥20 years) recruited into the Dialysis Outcomes Practice Pattern Study in Japan (J-DOPPS III), using the Japanese version of the Epworth Sleepiness Scale (JESS) questionnaire. Demographic data were presented for three subgroups: low, intermediate, and high JESS score. Cox proportional hazard regre ssion analysis was perform...
Source: Nephron Clinical Practice - October 25, 2017 Category: Urology & Nephrology Source Type: research

Variability In NOAC Dose Adjustment In Atrial Fibrillation Patients With Renal Dysfunction: The Influence Of Renal Function Estimation Formulae
Conclusion MDRD and CKD-EPI eGFR fails to correctly identify a significant proportion of patients that require NOAC dose adjustment, limiting their clinical utility. Cockcroft-Gault eCrCl should be calculated for all patients in whom a NOAC is being prescribed. Teaser While glomerular filtration rate is the most common estimates of renal function employed in practice the landmark stroke prevention trials use of the Cockcroft-Gault creatinine clearance equation to determine drug eligibility and dose adjustment. In a large cohort of patients with non-dialysis dependent chronic kidney disease and atrial fibrillation the use o...
Source: Canadian Journal of Cardiology - April 26, 2018 Category: Cardiology Source Type: research

Atrial fibrillation in dialysis patients: is there a place for non-vitamin K antagonist oral anticoagulants?
AbstractAtrial fibrillation (AF) occurs approximately in 3% of general population, with greater prevalence in elderly. Non-vitamin K-dependent oral anticoagulant agents (NOACs) according to the current European guidelines are recommended for patients with AF at high risk for stroke as a first-choice treatment. NOACs are not inferior to warfarin or some of them are better than warfarin in reducing the rate of ischemic stroke. Moreover, they significantly reduce the rate of intracranial hemorrhages, major bleedings, and mortality compared with warfarin. Nevertheless according to ESC guidelines, NOACs are not recommended in p...
Source: International Urology and Nephrology - May 21, 2018 Category: Urology & Nephrology Source Type: research

Oral Anticoagulation in Chronic Kidney Disease and Atrial Fibrillation.
CONCLUSION: The cardiological societies' recommendation that patients with atrial fibrillation should be given oral anticoagulant drugs applies to the majority of such patients who also have chronic kidney disease. PMID: 29789105 [PubMed - in process]
Source: Deutsches Arzteblatt International - May 24, 2018 Category: General Medicine Tags: Dtsch Arztebl Int Source Type: research

Variability in Non–Vitamin K Antagonist Oral Anticoagulants Dose Adjustment in Atrial Fibrillation Patients With Renal Dysfunction: The Influence of Renal Function Estimation Formulae
ConclusionsMDRD and CKD-EPI eGFR fail to correctly identify a significant proportion of patients who require NOAC dose adjustment, limiting their clinical utility. Cockcroft-Gault eCrCl should be calculated for all patients in whom a NOAC is being prescribed.RésuméContexteL’administration d’un nouvel anticoagulant oral non-antivitamine K (NACO) nécessite un ajustement de la dose en fonction des paramètres rénaux. La mesure de la fonction rénale la plus communément utilisée est le taux de filtration glomérulaire estimé (TFGe) selon la formule « Modified Diet in Renal Disease » (TFGe MDRD) ou « Chronic Kidne...
Source: Canadian Journal of Cardiology - July 24, 2018 Category: Cardiology Source Type: research

Free 25-Vitamin D Is Correlated with Cardiovascular Events in Prevalent Hemodialysis Patients but Not with Markers of Renal Mineral Bone Disease
In conclusion, our study shows that free vitamin D serum concentrations are independently associated with major cardiovascular events in chronic kidney disease patients on dialysis.Kidney Blood Press Res
Source: Kidney and Blood Pressure Research - June 14, 2019 Category: Urology & Nephrology Source Type: research

Warfarin in nonvalvular atrial fibrillation-Time for a change?
Abstract Warfarin is the most commonly prescribed anticoagulant in hemodialysis (HD) patients with nonvalvular atrial fibrillation (NVAF). Recent trends show that Nephrologists are increasingly prescribing novel oral anticoagulants, despite the fact that no randomized clinical trials have been conducted in dialysis patients. Difficulties maintaining international normalized ratio in the therapeutic range, increased risk of intracranial hemorrhage and concerns regarding warfarin-induced vascular calcification and calciphylaxis may be responsible. Anticoagulation quality is poor in HD patients. A variety of factors ...
Source: Seminars in Dialysis - June 16, 2019 Category: Urology & Nephrology Authors: Reilly RF, Jain N Tags: Semin Dial Source Type: research

Anticoagulation in Patients with Advanced Chronic Kidney Disease: Walking the Fine Line between Benefit and Harm
Publication date: Available online 11 July 2019Source: Canadian Journal of CardiologyAuthor(s): Januvi Jegatheswaran, Gregory L. Hundemer, David Massicotte-Azarniouch, Manish M. SoodAbstractChronic kidney disease affects over 3 million Canadians and is highly associated with cardiovascular diseases that require anticoagulation, such as atrial fibrillation and venous thromboembolism. Patients with chronic kidney disease are at a problematic crossroads; they are at high risk of both thrombotic conditions requiring anticoagulation and bleeding complications due to anticoagulation. The limited high-quality clinical evidence to...
Source: Canadian Journal of Cardiology - July 12, 2019 Category: Cardiology Source Type: research

Partially reversible acute renal cortical necrosis secondary to hyperhomocysteinemia & #8211; A case report and literature review
In conclusion, this is a rare case of ACN, which may have occurred as a complication of hyperhomocysteinemia.
Source: Indian Journal of Nephrology - July 15, 2019 Category: Urology & Nephrology Authors: Wendy Tan Fauzah Abd Ghani Christopher Thiam Seong Lim Source Type: research

Benefits and Harms of Oral Anticoagulant Therapy in Chronic Kidney Disease: A Systematic Review and Meta-analysis.
Conclusion: In early-stage CKD, NOACs had a benefit-risk profile superior to that of VKAs. For advanced CKD or ESKD, there was insufficient evidence to establish benefits or harms of VKAs or NOACs. Primary Funding Source: None. (PROSPERO: CRD42017079709). PMID: 31307056 [PubMed - as supplied by publisher]
Source: Annals of Internal Medicine - July 15, 2019 Category: Internal Medicine Authors: Ha JT, Neuen BL, Cheng LP, Jun M, Toyama T, Gallagher MP, Jardine MJ, Sood MM, Garg AX, Palmer SC, Mark PB, Wheeler DC, Jha V, Freedman B, Johnson DW, Perkovic V, Badve SV Tags: Ann Intern Med Source Type: research

Mediacalcosis in hemodialysis, predictors and prognosis
ConclusionMediacalcosis is a severe complication since it increases the risk of cardiovascular morbidity and mortality in hemodialysis patients, to this end, the individualization of entangled factors involved in its pathophysiology, will slow down or prevent its progression in the future.
Source: Archives of Cardiovascular Diseases Supplements - July 24, 2019 Category: Cardiology Source Type: research

Systematic DOACs oral anticoagulation in patients with atrial fibrillation and chronic kidney disease: the nephrologist's perspective.
Abstract Atrial fibrillation (AF) is highly prevalent among patients with chronic kidney disease (CKD), and also associated with unfavorable outcome. Anticoagulant therapy is the mainstep of management in such patients, aimed at reducing the high risk of systemic thromboembolism and especially of ischemic stroke, which is reportedly associated with increased mortality in CKD patients. Even though new direct oral anticoagulant agents (DOACs) proved to be effective in patients with non valvular chronic AF, and are therefore recommended by recent guidelines for their treatment, warfarin is currently used in more than...
Source: Journal of Nephrology - March 20, 2020 Category: Urology & Nephrology Authors: Ravera M, Bussalino E, Fusaro M, Di Lullo L, Aucella F, Paoletti E Tags: J Nephrol Source Type: research

Direct oral anticoagulants in chronic kidney disease: an update
Purpose of review Direct oral anticoagulants (DOACs) are variably eliminated by the kidneys rendering their use potentially problematic in patients with chronic kidney disease (CKD) or necessitating appropriate dose adjustment. Recent findings Both observational and limited randomized trial data for DOACs compared with no treatment or with warfarin for patients with atrial fibrillation on maintenance dialysis were recently published. In a randomized trial in patients on hemodialysis, there was no significant difference in vascular calcification between patients who received rivaroxaban with or without vitamin K2 or vi...
Source: Current Opinion in Nephrology and Hypertension - August 1, 2020 Category: Urology & Nephrology Tags: PHARMACOLOGY AND THERAPEUTICS: Edited by Sankar D. Navaneethan Source Type: research

New XARELTO ® (rivaroxaban) Peripheral Artery Disease (PAD) Data from EXPLORER Clinical Research Program to be Unveiled at American Heart Association (AHA) Scientific Sessions 2020
RARITAN, N.J., November 9, 2020 – The Janssen Pharmaceutical Companies of Johnson & Johnson today announced that 10 data presentations will be shared at the virtual American Heart Association (AHA) Scientific Sessions 2020 from November 13-17. Most notably, four new sub-analyses of XARELTO® (rivaroxaban) from the landmark VOYAGER PAD trial, part of the EXPLORER global cardiovascular research program, will be presented, including two live, featured science oral presentations. “We're pleased VOYAGER PAD was selected to be front and center once again at a major medical congress, as there's an urgent need for data in ...
Source: Johnson and Johnson - November 9, 2020 Category: Pharmaceuticals Tags: Innovation Source Type: news

Anticoagulation in special patient populations with atrial fibrillation
Herz. 2021 Jul 5. doi: 10.1007/s00059-021-05042-1. Online ahead of print.ABSTRACTAnticoagulation in patients with atrial fibrillation (AF) should be guided by considerations of the risk of thromboembolism, stroke, and bleeding as well as the patient's preference. Well-recognized scores have been developed to help the clinician in daily risk assessment, but there are several special patient populations for whom scores are not developed or validated. Furthermore, these patients were not adequately represented in the pivotal randomized trials for non-vitamin K antagonist oral anticoagulants (NOACs). In patients with cancer, t...
Source: Herz - July 5, 2021 Category: Cardiology Authors: Laura Ueberham Gerhard Hindricks Source Type: research