Endovascular treatment of internal iliac artery obstructive disease
Konstantinos P Donas1, Arne Schwindt, Georgios A Pitoulias
1Department of Vascular Surgery, St. Franziskus Hospital Münster and Center of Vascular and Endovascular Surgery, Münster University Hospital, Münster, Germany. k.donas@gmx.at
Insights
Endovascular treatment for internal iliac artery disease effectively resolves buttock claudication. Stent-supported angioplasty shows promising midterm results and can be a repeatable first-line therapy.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Endovascular Interventions
Background:
- Buttock claudication is often caused by internal iliac artery stenosis or occlusion.
- Evaluating endovascular techniques offers a therapeutic alternative for this condition.
Purpose of the Study:
- To assess the therapeutic value of endovascular techniques for internal iliac artery obstructive disease causing buttock claudication.
- To evaluate the safety and efficacy of percutaneous transluminal angioplasty and stent placement.
Main Methods:
- Retrospective analysis of patients undergoing endovascular treatment for internal iliac artery stenosis/occlusion.
- Iliac artery duplex scans and aortoiliac angiography used for diagnosis.
- Follow-up included duplex scanning to monitor for restenosis or occlusion.
Main Results:
- 21 patients (22 cases) with buttock claudication treated with endovascular methods.
- Successful treatment in all patients with no morbidity or mortality.
- One case of 50% restenosis during follow-up, managed conservatively.
Conclusions:
- Endovascular treatment, particularly stent-supported angioplasty, is a valuable first-line therapy for internal iliac artery obstructive disease.
- Midterm results are encouraging, with potential for repeat procedures if restenosis occurs.
- This approach does not preclude future surgical intervention if necessary.
Background:
This study evaluated the therapeutic value of endovascular techniques in patients with buttock claudication caused by stenosis or occlusion of the internal iliac artery.
Methods:
The records of patients with buttock claudication who had undergone endovascular treatment for internal iliac artery stenosis or occlusion were analyzed retrospectively, and any associated arterial lesions, morbidity, restenosis, or recurrent buttock claudication was noted. Outcomes were compared with published reports. Iliac artery duplex scans and aortoiliac angiography were performed to detect and confirm the internal iliac artery obstructive disease. The iliac duplex scanning surveillance protocol was set at 3, 6, and 12 months and yearly thereafter to detect eventual restenosis or occlusion.
Results:
Between September 2006 and September 2008, 21 consecutive patients (19 men; mean age, 67 years) with 22 cases of buttock claudication (1 bilateral localization) underwent percutaneous transluminal angioplasty alone (14 cases) or additional stent placement in case of elastic recoil (8 cases). Buttock claudication was associated with impotence, thigh claudication, or calf claudication in seven patients. The endovascular approach was successful in all patients, without morbidity or mortality. During a mean follow-up of 14.7 +/- 5.7 months, 50% restenosis occurred in one 80-year-old patient. The patient had a pain-free walking distance of 110 meters and was treated conservatively.
Conclusions:
To our knowledge, the present study is the largest published report concerning endoluminal treatment of buttock claudication due to internal iliac artery obstructive disease. The midterm results are very encouraging and underscore the value of stent-supported angioplasty as first-line treatment. The procedure can be repeated should significant restenosis occur and does not compromise the option of surgical repair of the lesions.
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