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Preclinical Model of Hind Limb Ischemia in Diabetic Rabbits
Published on: June 2, 2019
Diabetic versus nondiabetic limb-threatening ischemia: outcome of percutaneous iliac intervention
L D Spence1, G G Hartnell, G Reinking
1Department of Radiological Sciences, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02218, USA.
Insights
Diabetic and nondiabetic patients showed similar outcomes after iliac angioplasty for limb-threatening ischemia. This endovascular procedure offers comparable limb salvage and patency rates, regardless of diabetic status.
Area of Science:
- Vascular Surgery
- Endovascular Interventions
- Diabetic Complications
Background:
- Limb-threatening ischemia poses significant risks for both diabetic and nondiabetic patients.
- Iliac artery disease is a common cause of critical limb ischemia.
- Understanding treatment outcomes in diabetic populations is crucial due to higher prevalence of vascular disease.
Purpose of the Study:
- To compare the effectiveness of iliac angioplasty in patients with limb-threatening ischemia.
- To evaluate outcomes, including patency and limb salvage, between diabetic and nondiabetic patients.
Main Methods:
- Retrospective review of 91 patients undergoing iliac angioplasty for limb-threatening ischemia over 6 years.
- Life table analysis and log-rank tests used to compare outcomes.
- Stents were utilized for suboptimal angioplasty results.
Main Results:
- Outcomes were comparable between diabetic (75% of patients) and nondiabetic groups.
- Four-year primary iliac patency rates were 85% (diabetic) vs. 76% (nondiabetic).
- Four-year limb salvage rates were 93% (diabetic) vs. 79% (nondiabetic), with no significant difference.
Conclusions:
- Iliac angioplasty provides comparable outcomes for diabetic and nondiabetic patients with limb-threatening ischemia.
- Current endovascular techniques and infrainguinal reconstruction are effective across both groups.
- Limb salvage and arterial patency rates support iliac angioplasty as a viable treatment option regardless of diabetes.
Objective:
The purpose of this study was to compare the effectiveness of iliac angioplasty and outcomes in diabetic patients and nondiabetic patients with limb-threatening ischemia.
Materials And Methods:
Records of 91 consecutive patients with limb-threatening ischemia (rest pain, nonhealing ulceration, or gangrene) who, during a 6-year period, underwent iliac angioplasty of hemodynamically significant lesions were reviewed. Stents were placed in patients with suboptimal findings at angioplasty. Sixty-eight (75%) of the 91 patients were diabetic. Life table analysis and log-rank significance tests were used to compare rates of primary iliac artery patency, primary and secondary graft patency, limb salvage, and survival in diabetic patients versus nondiabetic patients.
Results:
One hundred seven iliac lesions were treated with percutaneous angioplasty. Ten iliac stents were placed because of suboptimal results at angioplasty. The mean time of follow-up was 20 months (range, 2-62 months). Sixty-eight patients (75%) underwent peripheral reconstruction. Outcomes were comparable in both patient groups for primary iliac patencies at 4 years (diabetic patients, 85%; nondiabetic patients, 76%; p = .5), primary and secondary graft patencies at 4 years (diabetic patients, 65% and 73%, respectively; nondiabetic patients, 74% and 100%, respectively; p = .7 and .19, respectively), 4-year limb-salvage rates (diabetic patients, 93%; nondiabetic patients, 79%; p = .07). Major complications of angioplasty occurred in four patients (4.4%).
Conclusion:
Outcomes of iliac angioplasty and limb-salvage rates were comparable for diabetic patients and nondiabetic patients who underwent current methods of iliac angioplasty and infrainguinal reconstruction.
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