Arteriovenous Fistula Cannulation Practices and Dialysis Adequacy

Study Overview
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Brief Summary
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Arteriovenous fistulae are preferred among methods of providing blood access for hemodialysis. For each hemodialysis treatment, the fistula is cannulated usually with two needles. One, the arterial needle, allows the blood to be withdrawn from the patient into the dialysis circuit and then it is returned by the second or venous needle. The success of arteriovenous fistula cannulation is dependent on many variables and these are affect the dialysis adequacy.

Detailed Description
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As hemodialysis prescriptions are usually three times weekly (4 to 8 h), a fistula or graft for hemodialysis will be punctured twice each dialysis treatment or at least 312 times per year. To allow healing of the tissues damaged during each cannulation, optimal cannulation practice is required by rotation of the needle insertion sites each dialysis treatment. Vascular access (VA) has been justly described as both the lifeline and the Achilles' heel of hemodialysis therapy, making blood purification itself possible while simultaneously often constituting a limiting factor in treatment adequacy.

Official Title
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Arteriovenous Fistula Cannulation Methods and Dialysis Adequacy: A Cross-sectional Study From Turkey

Conditions
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Arteriovenous Fistula, Hemodialysis, Dialysis Adequacy

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: 18 and older years of age Have arteriovenous fistula Being on hemodialysis therapy for 4 hours a day on 3 days per week for at least 6 months Volunteering to participate in the study Have not communication problem Exclusion Criteria: Younger than 18 years old Not volunteering to participate in the study Have communication problem Being on shorter hemodialysis therapy for 4 hours a day on 3 days per week for at least 6 months

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Study Plan
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How is the study designed?
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What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Number of Fistula Needle Direction | The hemodialysis nurse who cannulate the patient's fistula fill the data form. There is two options about fistula direction as antegrade or retrograde. | up to 12 weeks | 
| Number of Cannulation Method | The hemodialysis nurse who cannulate the patient's fistula fill the data form. There is three options about cannulation method as puncture, buttonhole, and rope ladder methods. | up to 12 weeks | 
| Number of Fistula Needle Rotated | The researchers look to the fistula needle while it inserts to the fistula. There is two options as needle rotation is yes or no. | up to 12 weeks | 
| Number of Arterial and Venous Needle Been on the Same Line | The researchers look to the arterial and venous line whether they are the same venous line. | up to 12 weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Arteriovenous fistula, Antegrade direction, Dialysis adequacy, Nursing care, Cannulation practices