Non-invasive Monitoring of Endovascular Repair of Abdominal Aortic

Status Recruiting

Clinical Trial Summary

This study evaluates a novel noninvasive method to dynamically monitor the effect of abdominal aortic aneurysm (AAA) and endovascular treatment of AAA (EVAR) on arterial pulse wave

Clinical Trial Description

Abdominal aortic aneurysm (AAA) develops slowly and degeneratively (increasing diameter, wall tension, thinning and decreased wall strength, altered compliance) which affects the aortic pressure and wave reflection. In 50% of cases, AAA rupture may lead to death and 50% of the remaining patients referred to hospital die. This results in high costs and preventable loss of lives. AAA can also be detected by pulse wave (PW) analysis. which could enable development of easy to use, affordable and accurate methodology for the detection of AAAs. The measurement system used in the present study is capable of wireless recording of PWs from several different locations utilizing two different sensor modalities (blood-volume related photoplethysmographic (PPG) PWs and dynamic blood pressure PWs). The objective is to study PWs in the detection of AAA and the effects of endovascular repair (EVAR) and whether adverse effects (i.e. endograft failure) can be detected. It is hypothesized that AAA and failure of the operation can be detected by PW features, especially by printed flexible sensors which will improve the usability, patient comfort and safety (hygiene). The technology could make it possible to screen AAAs at lower costs even in the municipal health centers or by the patients themselves, at similar accuracy, without skilled personnel operating the diagnostic devices and therefore improve the cost effectiveness of AAA screening resulting in significant savings, resource reallocation in the healthcare and also improved patient safety and prevention of deaths. It could also enable patient-centered, comfort follow-up for patients treated by EVAR. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03493074
Study type	Observational
Source	Tampere University Hospital
Contact	Niku Oksala, Professor
Phone	400591911
Email	niku.oksala@professori.fi
Status	Recruiting
Phase
Start date	April 8, 2018
Completion date	August 30, 2021

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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.

Non-invasive Monitoring of Endovascular Repair of Abdominal Aortic Aneurysm (VBA) — VBA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms