Venous Pressure Monitoring As a Predictor Of High-Flow Access In Prevalent Hemodialysis Patients

Ain Shams University

Status: Completed

Conditions: Predictor; Hemodialysis; Venous Pressure; High Flow Access

Treatments: Other: Venous Pressure Monitoring; Other: Color Doppler Ultrasound

Study type: Observational

Funder types: Other

Identifiers

NCT07038993

FMASU MD221/2017

Details and patient eligibility

About

This study aimed to detect the possibility of using venous pressure as a predictor for high flow access as a simple, non-invasive screening technique in hemodialysis patients.

Full description

The patient's vascular access is often referred to as their "lifeline," and without it, the life-sustaining treatment of hemodialysis would not be possible. To maintain access, patency depends on accurate diagnosis and timely, active interventions.

The Kidney Disease Outcomes Quality Initiative (K/DOQI) recommends native arteriovenous fistula (AVF) as the vascular access of choice for hemodialysis due to its longevity, lower complications, and lower mortality rate compared to catheters.

Currently, K/DOQI guidelines suggest that high intra-access pressure may be regarded as a surrogate for arteriovenous fistula (AVF) outflow stenosis. It can be measured using static venous pressure (sVP) or standardized dynamic venous pressure (dVP).

Enrollment: 59 patients

Sex: All

Ages: 28 to 81 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Age from 28 to 81.
• Both sexes.
• Patients with the presence of an autogenous arteriovenous fistula (AVF) and a minimum hemodialysis treatment duration of six months.

Exclusion criteria

• Physical examination revealed signs of AVF outflow stenosis, including localized edema, collateral circulation, hyperpulsatile fistula characteristics, or a positive hand elevation test.
• If ultrasound confirmed AVF stenosis or thrombosis, or angiography identified central venous stenosis or thrombosis in clinically suspected cases.

Trial design

59 participants in 1 patient group

Study group

Description:

Chronic hemodialysis patients of both sexes with autogenous arteriovenous fistulas.

Treatment:

Other: Color Doppler Ultrasound

Other: Venous Pressure Monitoring