The results of endovascular treatment of central venous stenosis or obstruction on hemodialysis patient

Dương Đình Bảo , Trần Quyết Tiến

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Abstract

Objective: This study aimed to evaluate the results of endovascular management of the central venous stenosis or obstruction (CVD) in hemodialysis (HD) patients via ipsilateral arteriovenous fistula (AVF).


Methods: Retrospective method with HD patients treated CVD by interventional therapy using balloon or stent, at Vascular Surgery department of Cho Ray hospital from January 2017 to December 2019.


Results: There were 32 cases of central venoplasty with local anesthesia via ipsilateral AVF. The average age was 55,6 ± 3,2, the male/female ratio was 1,67/1. Interventional indications were arm swelling (100%), pain in the arm (75%), skin dystrophy (50%), dilated veins in the ipsilateral neck and face (50%). 62,5% of them had a history of catheterization which was ipsilateral to lession. Each procedure had the average time 66,3 ± 6,2 minutes. Stent placement was followed after ineffective baloon angioplasty in 6 cases. The technique success rate was 87,5%. There was no major complication and death perioperatively. The symptoms of venous hypertension were resolved after intervention in all cases. The postoperative average time in the hospital was around 2,5 ± 0,8 days. After 6 months, there were 10 cases (31,3%) required to re-endovascular treatment.


 Conclusions: The endovascular intervention is a safe and effective method for CVD because of good rate of technical success, low rate of complications, reducing the duration of procedure and discharge. However, the disease has a high recurrence rate. Enhanced follow-up and repeated interventions are required to maintain the patency for long term.


 

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