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| Effect of PTA on Stenosis of Autogenous Arteriovenous Fistula and Its Influencing Factors |
| ZHONG Xiaoliang, CHEN Yun, SONG Yan, ZHANG Fang, CHEN Yinghui |
| The First Hospital of Nanchang, Nanchang 330008, China |
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Abstract Objective: To study the effect of percutaneous transluminal angioplasty (PTA) under the guidance of ultrasound in the treatment of stenosis of autogenous arteriovenous fistula, and analyze the influencing factors of the treatment effect. Method: The data of patients with stenosis of autogenous arteriovenous fistula who received PTA surgery in the First Hospital of Nanchang from January 2020 to December 2021 were analyzed retrospectively. The clinical effects of PTA surgery were summarized, and the patients were divided into success group and failure group according to the therapeutic effects. The baseline data of the two groups were recorded and compared, and the related factors influencing the failure of ultrasound guided PTA in the treatment of arteriovenous fistula stenosis were analyzed by regression analysis. Result: The failure rate of PTA under ultrasound guidance was 19.05%. There were no significant differences in sex, age, body mass index, primary disease, hypercholesterolemia, location of autogenous arteriovenous internal fistula, stenosis type, internal fistula use time, original autogenous arteriovenous internal fistula operation style, time from finding stenosis to PTA, platelet, D-dimer between the failure group and the success group (P>0.05). The prevalence of hypertension, diabetes and vascular calcification in the failure group were higher than those in the success group, and the level of serum high-sensitivity C reactive protein was higher than that in the success group, with statistical significance (P<0.05). logistic regression analysis showed that hypertension, diabetes, vascular calcification and high level of high-sensitivity C reactive protein were the relevant influencing factors for the clinical effect of ultrasound-guided PTA in the treatment of arteriovenous fistula stenosis (P<0.05). Conclusion: Ultrasound guided PTA surgery for autogenous arteriovenous fistula stenosis has a high risk of failure, which is related to hypertension, diabetes, vascular calcification, and high level of high-sensitivity C reactive protein.
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Received: 03 February 2023
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