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Predicting Amputation using Local Circulating Mononuclear Progenitor Cells in Angioplasty-treated Patients with Critical Limb Ischemia
Published on: September 22, 2020
FEMOROPOPLITEAL ANGIOPLASTY VS OPEN SURGERY FOR CHRONIC LIMB-THREATENING ISCHEMIA
Oleksandr A Holyachenko1, Anatolii M Kravchenko1, Andrii O Golyachenko2
1STATE INSTITUTION OF SCIENCE «RESEARCH AND PRACTICAL CENTER OF PREVENTIVE AND CLINICAL MEDICINE» STATE ADMINISTRATIVE DEPARTMENT, KYIV, UKRAINE.
Insights
Femoro-popliteal percutaneous transluminal angioplasty (PTA) and open surgery offer comparable limb salvage rates for chronic limb-threatening ischemia (CLTI). Long-term results show no significant difference in limb preservation or amputation between these revascularization methods.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Endovascular Interventions
Background:
- Chronic limb-threatening ischemia (CLTI) presents a significant challenge in vascular care, often requiring complex revascularization strategies.
- Femoro-popliteal arterial segment steno-occlusive lesions (SOL) are a common cause of CLTI, necessitating effective treatment to prevent amputation.
- Comparing open surgical repair with endovascular techniques like percutaneous transluminal angioplasty (PTA) is crucial for optimizing patient outcomes.
Purpose of the Study:
- To compare the efficacy of femoro-popliteal percutaneous transluminal angioplasty (PTA) versus open surgery in patients with chronic limb-threatening ischemia (CLTI).
- To analyze the long-term clinical outcomes, including limb salvage and survival rates, for different revascularization methods in CLTI.
- To evaluate the impact of comorbidities, such as diabetes, on the outcomes of femoro-popliteal revascularization.
Main Methods:
- A retrospective study involving 145 patients with CLTI undergoing unilateral femoro-popliteal revascularization between 2018 and 2019.
- Patients were divided into three groups: open surgery (48 patients), percutaneous transluminal angioplasty (PTA) (73 patients), and hybrid surgical interventions (24 patients).
- Outcomes assessed included 2-year limb preservation, amputation rates, and the need for re-intervention, with statistical analysis to compare group differences.
Main Results:
- No statistically significant difference in overall patient indicators was observed among the three treatment groups.
- Diabetes prevalence varied significantly across groups (16.7% open surgery, 45.8% PTA, 54.8% hybrid; p<0.001).
- Two-year limb preservation rates were high and comparable: 93.8% (open surgery), 91.7% (PTA), and 91.6% (hybrid). Amputation rates were 6.2%, 8.2%, and 8.3%, respectively. Re-intervention rates differed between hybrid surgery and the other two groups.
Conclusions:
- Limb salvage and survival rates for CLTI patients treated with open surgery or PTA were comparable at the 2-year follow-up.
- The choice of revascularization method (open surgery, PTA, or hybrid) did not significantly impact limb preservation or amputation rates in the long term.
- While overall outcomes were similar, differences in re-intervention tactics were noted, particularly concerning hybrid interventions.
Objective:
The aim: To compare the results of femoro-popliteal PTA vs open surgery in chronic limb-threatening ischemia (CLTI) and analyze clinical efficacy long-term results.
Patients And Methods:
Materials and methods: Between 2018 - 2019, 145 patients with CLTI who underwent femoro-popliteal arterial segment steno-occlusive lesions (SOL) unilateral revascu¬larization. Open surgery were performed for - 48 (33, 1℅), percutaneous transluminal angioplasty (PTA) for - 73 (50.3%), and were treated with hybrid surgical interventions for - 24 (16.6%).
Results:
Results: During the analysis, no statistically significant difference was found among the three groups patients indicators. According to the diabetes patients indicator, the differences among the groups are statistically significant (p<0.001), diabetes was present in only 16.7% of open surgical intervention group patients, 45.8% of PTA group patients, 54.8% of the hybrid surgery group patients. In the overall comparison 2-year limb preservation after open surgery 93.8%, after PTA 91.7%, and after hybrid surgery 91.6%; amputations: open surgery - 6.2% PTA- 8.2 %, hybrid surgery -8.3%; exemption from surgical re-intervention: open surgery - 68.7%, PTA- 58.9%, hybrid surgery - 75%. There were no differences in limb preservation and amputation between open surgery, hybrid intervention, and PTA. A difference was found only in reintervention tactic among the open surgery and PTA groups as opposed to the hybrid surgery.
Conclusion:
Сonclusions: Limb salvage and CLTI patients survival after open surgery and PTA who were not performed major amputation in 2 years term after revascularization were comparable regardless of treatment method.
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