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NCT Number: NCT01536548

Indicating Direction and Angle for Cannulating of AV-fistula in Hemodialysis Patients

Arteriovenous fistula is the preferred access for hemodialysis, and cannulation using a "button-hole" technique is increasingly recommended. By using the same two sites for cannulation there are reports of less risk of complications and less pain for the patient. However, button-hole cannulation can be difficult for the dialysis nurse, and failing cannulations can damage the AV fistula and increase patient discomfort. The investigators therefore will test whether a simple marking on the skin of the direction and angle of cannulation used in each specific patient could improve the probability of a successful and painfree cannulation.

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Key information

Conditions

Chronic Kidney Disease Arteriovenous Fistula Arteriovenous Malformations Cardiovascular Abnormalities Cardiovascular Diseases Chronic Disease Congenital Abnormalities Congenital, Hereditary, and Neonatal Diseases and Abnormalities Disease Attributes Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Fistula Kidney Diseases Kidney Failure Male Urogenital Diseases Pathologic Processes Pathological Conditions, Anatomical Pathological Conditions, Signs and Symptoms Renal Insufficiency Renal Insufficiency, Chronic Urogenital Diseases Urologic Diseases Vascular Diseases Vascular Fistula Vascular Malformations

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Haukeland Universitetssykehus, Bergen, Norway

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • chronic kidney disease
  • hemodialysis
  • arteriovenous fistula
  • established buttonhole technique
  • informed consent signed

Exclusion criteria

  • child
  • minor
  • not speaking Norwegian
  • not willing to sign informed consent

Treatment and study plan

Skin drawing

Procedure

Mark direction and angle for cannulation with a pencil on the skin

No skin drawing

Procedure

Standard practice; i.e. no marks on skin to help find correct direction and angle for introducing needles

Primary outcomes

  1. Percentage of successful cannulations

    Time frame: 8 weeks

    A successful cannulation is defined as being able to insert a blunt needle in both canals at the first attempt.

Secondary outcomes

  1. Difficulty of cannulation

    Time frame: 8 weeks

    Nurse and patients describe on a Verbal Rating Scale (1-6) how difficult the cannulation was experienced. All dialysis sessions are scored.

  2. Fear of cannulation

    Time frame: 8 weeks

    Patients describe on a Verbal Rating Scale (0-10) how strongly they fear the cannulation. Assessed once a week.

  3. Pain at cannulation

    Time frame: 8 weeks

    Patients describe on a VAS scale (0-10) how painful the cannulation was experienced. Assessed once a week.

Sponsors and collaborators

Lead sponsor

Norwegian University of Science and Technology

Other

Collaborators

  • Bodø sykehus
  • Haukeland University Hospital
  • Kristiansund Hospital
  • St. Olavs Hospital
  • Sykehuset Innlandet HF
  • University Hospital, Akershus
  • Vestre Viken Hospital Trust

Registry information

Official study title

Indicating Direction and Angle for Button-hole Cannulating of AV-fistula in Hemodialysis Patients - a Randomized Controlled Study

Important dates

Study start
2012
Primary completion
2012
Study completion
2012
First posted
Feb 22, 2012
Registry last updated
Oct 5, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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