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Shorter delivered dialysis times associate with a higher and more difficult to treat blood pressure.

ABSTRACT: Shorter delivered dialysis times are associated with increased all-cause mortality. Whether shorter delivered dialysis times also associate with an increase in blood pressure (BP) and reduce the ability of probing dry weight to lower BP is unclear.Among patients participating in the Dry-Weight Reduction in Hypertensive Hemodialysis Patients (DRIP) trial, interdialytic ambulatory BP was recorded at baseline, 4 weeks and 8 weeks. Median intradialytic BP was also calculated at each dialysis treatment and associated with the delivered daily dialysis time.The median time on dialysis at baseline was 3.6 h per treatment (range 2.5-4.5 h). At baseline, modeled median intradialytic systolic BPs were higher among those who received fewer hours of dialysis. Among subjects who did not have their dry weight probed (control group), the median intradialytic systolic BP continued to be elevated. Probing dry weight (ultrafiltration group) provoked a drop in median intradialytic systolic BP regardless of the delivered dialysis time. However, the reduction in BP was achieved after fewer sessions of dialysis when delivered dialysis was longer in duration. The pattern of change was confirmed using interdialytic ambulatory BP monitoring.Fewer hours of delivered dialysis are associated with a higher systolic BP. Upon probing dry weight, compared with shorter dialysis treatment times, 4 h of delivered dialysis per session provokes reductions in systolic BP over fewer dialysis treatment sessions. Reduction of BP may lag dry-weight reduction when shorter dialysis is delivered.

SUBMITTER: Tandon T

PROVIDER: S-EPMC3685306 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Shorter delivered dialysis times associate with a higher and more difficult to treat blood pressure.

Tandon Teena T Sinha Arjun D AD Agarwal Rajiv R

Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 20130124 6

<h4>Background</h4>Shorter delivered dialysis times are associated with increased all-cause mortality. Whether shorter delivered dialysis times also associate with an increase in blood pressure (BP) and reduce the ability of probing dry weight to lower BP is unclear.<h4>Methods</h4>Among patients participating in the Dry-Weight Reduction in Hypertensive Hemodialysis Patients (DRIP) trial, interdialytic ambulatory BP was recorded at baseline, 4 weeks and 8 weeks. Median intradialytic BP was also ...[more]

PMID: 23348881

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Project description:ObjectiveRecently, several academics have recommended that the concept of difficult-to-treat depression (DTD) should be considered in some of the cases where achieving or maintaining remission of depressive symptoms is not possible. In 2020, a consensus statement, not based on a formal process and systematic review defined difficult-to-treat depression as "depression that continues to cause significant burden despite normal treatment efforts". In addition to addressing symptom control, interventions for DTD should also target other factors, including the management of psychiatric and medical comorbidities, psychosocial functioning, self-esteem, and self-management strategies. The purpose of this scoping review is to explore the scientific literature, which is still unclear and vague, regarding the pathophysiology and treatment of difficult-to-treat depression, providing a summary of its current conceptualization. This represents a cultural and scientific shift that offers clinicians and researchers valid and up-to-date study criteria, thus expanding upon the model of treatment-resistant depression (TRD). Consequently contributions, concepts, theories and gaps of the state of the art in the description of difficult-to-treat depression have been summarized here.MethodA research study was conducted using PubMed, Scopus, PsycINFO, Cochrane Library, and Open Grey databases to identify and examine articles reporting key features related to the recent concept of difficult-to-treat depression. The research covered a period of time between January 1, 2013, and March 1, 2023. Based on a formal checklist, two researchers independently assessed the eligibility criteria to determine which studies to include or exclude in this search. Further data evaluations were conducted for the articles that were deemed to have the most comprehensive descriptions.ResultsThe results of the research yielded a body of literature that provides a clear definition of difficult-to-treat depression and insights into its clinical application and research perspective.ConclusionsDTD represents a cultural and scientific shift that provides clinicians and researchers with valid and up-to-date study criteria that allow the extension of the treatment-resistant depression (TRD) model. The main difference lies in the operational process of assessment and intervention in the depressive syndrome in relation to the search for a therapeutic response. The results of this review show that DTD is a theoretically and clinically useful conceptualization for depressive syndromes that are not just simply resistant to treatment. This clinical condition entails a novel clinical therapeutic approach for specific patients and may be used throughout the world to help recognize this clinical condition while optimizing overall care for these patients. However, as we have highlighted, in the absence of RCTs and further observational studies, it is desirable that DTD be further investigated and defined..

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Shorter delivered dialysis times associate with a higher and more difficult to treat blood pressure.

Publications

Shorter delivered dialysis times associate with a higher and more difficult to treat blood pressure.

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