Invasive Monitoring of Pulmonary Artery Pressure (PAP) Among Dialysis Treated Patients

Phase

N/A

Condition

Congestive Heart Failure

Heart Failure

Chest Pain

Treatment

N/A

Clinical Study ID

NCT02862197

Q298diarnro18/2016

Ages 18-75
All Genders

Study Summary

The purpose of this study is examine whether invasive pulmonary artery pressure (PAP) monitoring could be beneficial for the patients in dialysis treatment. Ten implantable pressure sensors (CardioMEMS ®) will be implanted and the PAPs of the individual participants are recorded during and in between the routine dialysis treatment sessions. This is an exploratory pilot study, where major interest lies in the values and changes in PAP in relation to other hemodynamic parameters among patients in dialysis treatment. Implanted device is only monitoring the patient without any effect on the actual treatment.

Eligibility Criteria

Inclusion

Inclusion Criteria (In addition to details described in "Study Population Description"):

Subject who is eligible for a CardioMEMS device per physician discretion
Subject is living at home
Subject's ability to take part of the study will be discussed with their treatingnephrologist.
Subject is willing and capable of providing informed consent, participating in allassociated study activities

Exclusion

Exclusion Criteria:

Any non-cardiac or non-renal medical condition causing the life-expectancy to be lessthan one year.
The patient is not able to take part of the study or the study can be considered to beharmful for the patient in the opinion of the investigator or the treatingnephrologist.
Age >75 years
Age <18 years
Probable noncompliance
Subjects with an active infection
Subjects who, in the investigator's opinion, are unable to tolerate a right heartcatheterization
Subjects who have had a major cardiovascular event (e.g., myocardial infarction, openheart surgery, stroke, etc.) within 2 months of the baseline visit
Subjects with a device (Pacemaker/Implantable Cardioverter-Defibrillator/CRT)implanted < 30 days prior to enrollment
Subjects with congenital heart disease or mechanical right heart valve(s)
Subjects likely to undergo heart transplantation or ventricular assist deviceimplantation within 6 months of the baseline visit
Subjects with known coagulation disorders or subjects who are unable to take two typesof blood thinning medications or anticoagulation therapy for one month after thesensor is implanted.
Subject is enrolled in another study with an active treatment arm
Pregnancy
Diameter of Pulmonary Artery <7-10 mm
Subjects with history of recurrent (> 1) pulmonary embolism or deep vein thrombosis

Study Design

November 01, 2016

October 31, 2017

Study Description

Dialysis treatment is hemodynamically problematic in up to one third of the patients. Particularly, estimation of the adequate fluid removal during the dialysis can be difficult. Removing too much fluid can lead to dehydration, hypotension and dizziness, and insufficient removals can lead to fluid accumulation and worsening of possible heart failure. Both under- and overestimation of the fluid removal have been connected to increased mortality. Balancing the fluid balance is especially challenging in patients with simultaneous heart failure.

Several measures are made and precautions taken during the dialysis to optimize the ultrafiltration individually for each patient. The key question in the estimation of the right amount of ultrafiltration is, how much and at what speed fluid can be safely removed from the patient without critically lowering the filling and preload of the heart.

The results of the CHAMPION trial show that therapy guided by PAP is superior to conventional way in estimating the optimal fluid balance among heart failure patients. Compared to the heart failure patients in the CHAMPION trial, the ESRD patients share some similarities. In both groups, estimating the fluid balance is crucial, but difficult. The changes in fluid balance among ESRD patients are much larger.

In the present study the investigators aim to evaluate the potential of invasive measured PAP in the context of dialysis treatment for patients with end-stage renal disease (ESRD).

After the implantation the basic medical history is taken, echocardiography is made, and their laboratory measurements are recorded. Participants are then monitored during their routine dialysis treatment twice a week over the period of 1 month. In addition twice a day measurement is recorded in home during the study.

PAP measures and its changes are then compared to all the haemodynamical data available including blood volume, systolic and diastolic blood pressure, heart rate, hematocrit measures and bioimpedance measurement during the dialysis treatment.

Connect with a study center

Päijät-Häme Central Hospital
Lahti, Päijät-Häme 15900
Finland
Active - Recruiting

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