Journal of vascular and interventional radiology : JVIR · 1998
Results of renal angioplasty in nonspecific aortoarteritis (Takayasu disease).
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Sharma S, Gupta H, Saxena A, Kothari S S, Taneja K, Guleria S, Rajani M
Аннотация
PURPOSE: To evaluate the long-term results of percutaneous transluminal renal angioplasty (PTRA) in the management of renovascular hypertension caused by nonspecific aortoarteritis (Takayasu disease).
MATERIALS AND METHODS: The results of 96 stenoses in 66 patients were retrospectively studied. The indications for PTRA included hypertension uncontrolled by single-drug therapy, evidence of greater than 70% diameter stenosis in the renal artery with a peak systolic gradient of greater than 20 mm Hg, and clinically inactive disease.
RESULTS: Technical success was obtained in 91 (95%) stenoses in 62 patients. Clinical success was seen in 59 (89%) and included "cure" in 14 and "improvement" in 45 patients. The stenosis decreased from 88% +/- 6% (range, 70%-100%) to 11% +/- 12% (range, 0%-40%), systolic pressure gradient decreased from 95 mm Hg +/- 22 (range, 30-140 mm Hg) to 9 mm Hg +/- 8 (range, 0-30 mm Hg), blood pressure improved from 181 +/- 16 (range, 150-220)/115 +/- 10 (range, 90-146) to 136 +/- 25 (range, 130-210)/86 +/- 16 (range, 80-130) mm Hg, and the drug requirement decreased from 3.9 +/- .6 (range, 2-5) to 1.1 +/- .9 (range, 0-3) (P value for all < .001). Complications included transient intrarenal arterial spasm in three patients, groin hematoma in two patients, and ipsilateral renal vein injury in one patient. At 22 months +/- 17 (range, 4-84 months) follow-up, the restenosis rate, as determined by recurrence of hypertension and angiographic demonstration of restenosis, was 16%.
CONCLUSION: Despite some technical problems, PTRA is safe and effective in treating renovascular hypertension caused by nonspecific aortoarteritis. The complication rate is low.
MATERIALS AND METHODS: The results of 96 stenoses in 66 patients were retrospectively studied. The indications for PTRA included hypertension uncontrolled by single-drug therapy, evidence of greater than 70% diameter stenosis in the renal artery with a peak systolic gradient of greater than 20 mm Hg, and clinically inactive disease.
RESULTS: Technical success was obtained in 91 (95%) stenoses in 62 patients. Clinical success was seen in 59 (89%) and included "cure" in 14 and "improvement" in 45 patients. The stenosis decreased from 88% +/- 6% (range, 70%-100%) to 11% +/- 12% (range, 0%-40%), systolic pressure gradient decreased from 95 mm Hg +/- 22 (range, 30-140 mm Hg) to 9 mm Hg +/- 8 (range, 0-30 mm Hg), blood pressure improved from 181 +/- 16 (range, 150-220)/115 +/- 10 (range, 90-146) to 136 +/- 25 (range, 130-210)/86 +/- 16 (range, 80-130) mm Hg, and the drug requirement decreased from 3.9 +/- .6 (range, 2-5) to 1.1 +/- .9 (range, 0-3) (P value for all < .001). Complications included transient intrarenal arterial spasm in three patients, groin hematoma in two patients, and ipsilateral renal vein injury in one patient. At 22 months +/- 17 (range, 4-84 months) follow-up, the restenosis rate, as determined by recurrence of hypertension and angiographic demonstration of restenosis, was 16%.
CONCLUSION: Despite some technical problems, PTRA is safe and effective in treating renovascular hypertension caused by nonspecific aortoarteritis. The complication rate is low.