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Angiography and phlebography in a hemodialysis population: A retrospective analysis of interventional results
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2019 (English)In: International Journal of Artificial Organs, ISSN 0391-3988, E-ISSN 1724-6040Article in journal (Refereed) Epub ahead of print
Abstract [en]

Objective: To clarify the reasons and beneficial effects and duration of arteriovenous fistula patency after radiological interventions in arteriovenous fistula. The patients investigated were referred due to arteriovenous fistula access flow problems.

Material and methods: In 174 patients, 522 radiological investigations and endovascular treatments such as percutaneous transluminal angioplasty were analyzed, retrospectively. All investigations were performed due to clinical suspicion of impaired arteriovenous fistula function.

Results: Arterial stenosis was significantly more frequent among patients with diabetic nephropathy (p < 0.001) and interstitial nephritis (p < 0.001). According to the venous stenosis, the diagnosis did not affect the frequency (p = 0.22) or the degree (p = 0.39) of stenosis. The degree of stenosis prior to percutaneous transluminal angioplasty correlated significantly with the degree of remaining stenosis after intervention (p < 0.001). Of the 174 patients, 123 (71%) performed a total of 318 investigations including percutaneous transluminal angioplasty. Repeated percutaneous transluminal angioplasty was performed significantly more often in patients with diabetic nephropathy. The median times to the first percutaneous transluminal angioplasty and to the subsequent percutaneous transluminal angioplasties were 9.5 and 5 months, respectively. Arteriovenous fistula in patients with diabetic nephropathy performed similar to most other diagnoses, although performing more percutaneous transluminal angioplasty/patient than most other diagnoses.

Conclusion: Many patients could maintain long-term patency of arteriovenous fistula, including those with diabetic nephropathy, with repeated interventions; this motivates a closer follow-up for these patients. Clinically significant stenosis should be dilated as meticulously and as soon as possible. Occlusions of the arteriovenous fistula in most instances can be successfully thrombolyzed or dilated upon early diagnosis.

Place, publisher, year, edition, pages
Sage Publications, 2019.
Keywords [en]
Arteriovenous fistula, angiography, hemodialysis, percutaneous transluminal angioplasty, fistulography, phlebography
National Category
Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:umu:diva-161902DOI: 10.1177/0391398819863429ISI: 000476206500001PubMedID: 31303134Scopus ID: 2-s2.0-85069887785OAI: oai:DiVA.org:umu-161902DiVA, id: diva2:1341224
Available from: 2019-08-08 Created: 2019-08-08 Last updated: 2019-08-08

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Stegmayr, Bernd

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Department of Radiation SciencesDepartment of Public Health and Clinical Medicine
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