Vascular Therapy
Percutaneous Transluminal Angioplasty versus Endovascular Stent Placement in the Treatment of Venous Stenoses in Patients Undergoing Hemodialysis: Intermediate Results

https://doi.org/10.1016/S1051-0443(95)71200-3Get rights and content

Purpose

This report describes intermediate findings from an ongoing prospective randomized trial comparing the results of percutaneous transluminal angioplasty (PTA) with results of endovascular stent placement in patients undergoing hemodialysis.

Patients and Methods

Among 87 consecutive patients with venous stenoses or occlusions, 47 (54%) were treated with PTA alone and 40 (46%) were treated with PTA and stent placement.

Results

For peripheral sites, the primary patency rates for PTA at 60,180, and 360 days were 55%, 31%, and 10%, respectively, and for stents were 36%, 27%, and 11%, respectively (P = .6528). The secondary patency rates for PTA at 60, 180, and 360 days were 94%, 80%, and 71%, respectively, and for stents were 73%, 64%, and 64%, respectively (P = .1677). For central sites, the primary patency rates for PTA at 60,180, and 360 days were 81%, 23%, and 12%, respectively, and for stents were 67%, 11%, and 11%, respectively (P = .4595). The secondary patency rates for PTA were 100% at each interval, and for stents were 100%, 89%, and 78%, respectively (P = .5408).

Conclusion

Intermediate results suggest that, overall, there is no difference in the patency rates for peripheral venous stenoses in dialysis patients treated with PTA or PTA and endovascular stent placement. At this time, the numbers of patients are too small to conclude if certain sites such as larger central veins will respond better to one treatment or the other.

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From the Departments of Radiology (S.F.Q., T.A.D., G.S.G., R.C.S.) and Surgery (E.S.S., B.A.S., J.W.R.), Good Samaritan Hospital, 1015 NW 22nd, Portland, OR 97210.

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