Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions · 2023
Impact of calcification on clinical outcomes after drug-coated balloon angioplasty for superficial femoral artery disease: Assessment using the peripheral artery calcification scoring system.
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Mori Shinsuke, Takahara Mitsuyoshi, Nakama Tatsuya, Tobita Kazuki, Hayakawa Naoki, Iwata Yo, Horie Kazunori, Suzuki Kenji, Yamawaki Masahiro, Ito Yoshiaki
Аннотация
PURPOSE: To investigate whether the severity of calcification assessed by the peripheral artery calcification scoring system (PACSS) was associated with clinical outcomes of drug-coated balloon (DCB) angioplasty for femoropopliteal lesions.
MATERIALS AND METHODS: We retrospectively analyzed 733 limbs with intermittent claudication of 626 patients, who underwent DCB angioplasty for de novo femoropopliteal lesions between January 2017 and February 2021 at seven cardiovascular centers in Japan. The patients were categorized using the PACSS classification (grades 0-4: no visible calcification of the target lesion, unilateral wall calcification < 5 cm, unilateral calcification ≥ 5 cm, bilateral wall calcification < 5 cm, and bilateral calcification ≥ 5 cm, respectively). The main outcome was primary patency at 1 year. The Cox proportional hazards analysis was used to explore whether the PACSS classification was an independent predictor of clinical outcomes.
RESULTS: The distribution of PACSS was grade 0 in 38%, grade 1 in 17%, grade 2 in 7%, grade 3 in 16%, and grade 4 in 23%. The 1-year primary patency rates in these grades, respectively, were 88.2%, 89.3%, 71.9%, 96.5%, and 82.6%, respectively (p < 0.001). Multivariate analysis disclosed that PACSS grade 4 (hazard ratio: 1.82, 95% confidence interval 1.15-2.87, p = 0.010) was associated with restenosis.
CONCLUSION: The PACSS grade 4 calcification was independently associated with poor clinical outcomes after DCB angioplasty for de novo femoropopliteal lesions.
MATERIALS AND METHODS: We retrospectively analyzed 733 limbs with intermittent claudication of 626 patients, who underwent DCB angioplasty for de novo femoropopliteal lesions between January 2017 and February 2021 at seven cardiovascular centers in Japan. The patients were categorized using the PACSS classification (grades 0-4: no visible calcification of the target lesion, unilateral wall calcification < 5 cm, unilateral calcification ≥ 5 cm, bilateral wall calcification < 5 cm, and bilateral calcification ≥ 5 cm, respectively). The main outcome was primary patency at 1 year. The Cox proportional hazards analysis was used to explore whether the PACSS classification was an independent predictor of clinical outcomes.
RESULTS: The distribution of PACSS was grade 0 in 38%, grade 1 in 17%, grade 2 in 7%, grade 3 in 16%, and grade 4 in 23%. The 1-year primary patency rates in these grades, respectively, were 88.2%, 89.3%, 71.9%, 96.5%, and 82.6%, respectively (p < 0.001). Multivariate analysis disclosed that PACSS grade 4 (hazard ratio: 1.82, 95% confidence interval 1.15-2.87, p = 0.010) was associated with restenosis.
CONCLUSION: The PACSS grade 4 calcification was independently associated with poor clinical outcomes after DCB angioplasty for de novo femoropopliteal lesions.