Hemodynamics in Chronic Hemodialysis Patients Undergoing Isolated

Status Recruiting

Clinical Trial Summary

Patients treated with hemodialysis (HD) bear increased risk of cardiovascular events, which results in high morbidity and mortality among this cohort of patients. Intradialytic hypotension (IDH), which is an independent risk factor for mortality, occurs in up to 20% of hemodialysis session and may lead to myocardial stunning and cerebral ischemia resulting in increased white matter lesions, gastrointestinal ischemia and shunt vessel thrombosis. Due to the deleterious effects of IDH during HD, preventive measurements such as limiting interdialytic weight gain are recommended, but frequently fluid and salt restriction are not adhered to, thus increasing dialysis time or frequency of treatments is a common strategy in those patients.

Clinical Trial Description

A KDIGO (Kidney Disease: Improving Global Outcomes) controversies conference suggested that isolated ultrafiltration (iso-UF) may provide a benefit in hemodynamic stability, but whether this translates into benefits in hard outcomes is unclear and requires further research. So called-sequential dialysis, that is, isolated ultrafiltration followed by HD is commonly recommended, but evidence is very limited and mainly based on small older studies. In conclusion, the supposed benefit for intradialytic hemodynamic stability attributed to isolated ultrafiltration compared to hemodialysis seems to be due to less pronounced changes in vascular resistance, but the reason for this discrepancy is unclear. Thus far, recommendations for using iso-UF to improve hemodynamic stability are mainly based on old studies which may not be applicable to modern technique used nowadays. Furthermore, there is no standardized approach on how to use isolated ultrafiltration, with neither a time period nor ultrafiltration rate recommended by the guidelines. In this study, the investigators try to assess changes in peripheral resistance, osmolality, cardiac output, and cardiac power index and try to establish exploratory correlations to IDH episodes. Furthermore, the investigators want to assess the impact on dialysis quality by reduced time on dialysis. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05642156
Study type	Interventional
Source	Medical University of Graz
Contact	Alexander H Kirsch
Phone	+43316385
Email	alexander.kirsch@medunigraz.at
Status	Recruiting
Phase	N/A
Start date	November 2, 2022
Completion date	December 31, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Hemodynamics in Chronic Hemodialysis Patients Undergoing Isolated Ultrafiltration Compared to Conventional Hemodialysis — ISO-UF

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms