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KMID : 0357019950110020338
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Journal of the Korean Vascular Surgery Society
1995 Volume.11 No. 2 p.338 ~ p.346
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Factors Influencing to Patency Rates of Arteriovenous Fistula
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Abstract
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Long patency of vascular access in hemodialysis (HD) patients is crucial for life saving. There are some difficulties in identifying risk factors influencing patency of arteriovenous fistula (AVF). Vein characteristics and technical delicacies as well as patient´s factors are involved. Among them, surgical factors which may influence at patency rates (PR) of arteriovenous fistula (AVF), should be evaluated.
We analysed clinical data of patients who were diagnosed as ESRD and had got AVF operation to maintain HD from January 1988 to December 1994. Results are as follow;
Comparing male group and female group, PR are similar and comparing young age (<50) group and old (~50) age group, aging effect is not definite and frequency of operation had not definite impact on PR. Kind of graft (autogenous or PTFE), number of operation (Ist or not), level of operation (forearm or upper arm) were evaluated but results were not confirmative because of large case differences.
Diabetic patents had poorer PR significantly (P<0.005) comparing with non -diabetic patients. Concerning anastomotic procedures, side to side group and side to end group had similar PR and group of side to side with distal vein ligation had slightly poorer PR. Considering venous hypertension after side to side procedures in long term follow up periods, side to end procedure may be more suitable procedure.
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KEYWORD
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