NCT04036734

Brief Summary

Longitudinal ultrasound orientation during central venous cannulation has been suggested by a number of radomised studies to offer superior cannulation rates. This technique may offer a simple, safe and cost-neutral step to improve cannulation rates in the widely performed minimally invasive endovenous intervention.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
101

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jul 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 24, 2019

Completed
Same day until next milestone

Study Start

First participant enrolled

July 24, 2019

Completed
6 days until next milestone

First Posted

Study publicly available on registry

July 30, 2019

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2020

Completed
Last Updated

March 26, 2020

Status Verified

March 1, 2020

Enrollment Period

7 months

First QC Date

July 24, 2019

Last Update Submit

March 25, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Overall successful Cannulation rate as a percentage

    Overall successful cannulation of the target axial lower limb vein for endovenous treatment. Successful cannulation will be defined as intraluminal placement of the access cannula in the targeted axial vein.

    Immediate

Secondary Outcomes (3)

  • Time in seconds to cannulation

    Immediate

  • Number of cannulation attempts

    Immediate

  • Peri-cannulation pain

    Immediate

Study Arms (2)

Transverse Ultrasound Orientation

ACTIVE COMPARATOR

Transverse placement of ultrasound to long axis of target lower limb vein

Diagnostic Test: Transverse

Longitudinal Ultrasound Orientation

EXPERIMENTAL

Longitudinal placement of ultrasound to long axis of target lower limb vein

Diagnostic Test: Longitudinal

Interventions

LongitudinalDIAGNOSTIC_TEST

Longitudinal orientation of ultrasound to long axis of vein to guide access needle

Longitudinal Ultrasound Orientation
TransverseDIAGNOSTIC_TEST

Transverse orientation of ultrasound to long axis of vein to guide access needle

Transverse Ultrasound Orientation

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • For minimally invasive venous surgery of the lower limb (Clinical-Etiology-Anatomy-Pathophysiology (CEAP) classification score 2 of greater)
  • Intervention requiring venous cannulation of axial lower limb vein
  • Full consent
  • \>18 years
  • No concomitant deep venous incompetence

You may not qualify if:

  • General anaesthesia

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Saolta University Hospital Group

Galway, Ireland

Location

MeSH Terms

Conditions

Varicose Veins

Interventions

Global Longitudinal Strain

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

HemodynamicsCardiovascular Physiological PhenomenaCirculatory and Respiratory Physiological Phenomena

Study Officials

  • Stewart R Walsh

    National University of Ireland, Galway

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
Intraoperative draping to obscure patient view
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Parallell block randomised groups
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Research Fellow Vascular Surgery

Study Record Dates

First Submitted

July 24, 2019

First Posted

July 30, 2019

Study Start

July 24, 2019

Primary Completion

March 1, 2020

Study Completion

March 1, 2020

Last Updated

March 26, 2020

Record last verified: 2020-03

Data Sharing

IPD Sharing
Will not share

Locations