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. 2021 May;73(5):1802-1810.e4.
doi: 10.1016/j.jvs.2020.10.075. Epub 2020 Nov 26.

Network meta-analysis of drug-coated balloon angioplasty versus primary nitinol stenting for femoropopliteal atherosclerotic disease

Sherwin Abdoli  1 , Melissa Mert  2 , William M Lee  3 , Christian J Ochoa  3 , Steven G Katz  4
Affiliations

Network meta-analysis of drug-coated balloon angioplasty versus primary nitinol stenting for femoropopliteal atherosclerotic disease

Sherwin Abdoli et al. J Vasc Surg. 2021 May.

Abstract

Objective: Primary nitinol stenting (PNS) and drug-coated balloon (DCB) angioplasty are two of the most common endovascular interventions for femoropopliteal atherosclerotic disease. Although many prospective randomized controlled trials have compared PNS or DCB with plain balloon angioplasty (POBA), no studies have directly compared PNS against DCB therapy. The purpose of this network meta-analysis is to determine whether there is a significant difference in outcomes between PNS and DCB.

Methods: The primary outcome measure was binary restenosis, the secondary outcome measures were target lesion revascularization (TLR) and change in the ankle-brachial index (ABI). Outcomes were evaluated at 6, 12, and 24 months. A literature review identified all randomized controlled trials published before March 2020 that compared DCB with POBA or PNS with POBA in the treatment of native atherosclerotic lesions of the femoropopliteal artery. Studies were excluded if they contained in-stent stenosis or tibial artery disease that could not be delineated out in a subgroup analysis. Network meta-analysis was performed using the network and mvmeta commands in STATA 14.

Results: Twenty-seven publications covering 19 trials were identified; 8 trials compared PNS with POBA and 11 trials compared DCB with POBA. The odds of freedom from binary restenosis for patients treated with DCB compared with PNS at 6 months was 1.19 (95% confidence interval [CI], 0.63-2.22), at 12 months was 1.67 (95% CI, 1.04-2.68), and at 24 months was 1.36 (95% CI, 0.78-2.37). The odds of freedom from TLR for patients treated with DCB compared with PNS at 6 months was 0.66 (95% CI, 0.12-3.80), at 12 months was 1.89 (95% CI, 1.04-3.45), and at 24 months was 1.68 (95% CI, 0.82-3.44). The mean increase in ABI for patients treated with PNS compared with DCB at 6 months was 0.06 higher (95% CI, -0.03 to 0.15), at 12 months was 0.05 higher (95% CI, 0.00-0.09), and at 24 months was 0.07 higher (95% CI, -0.01 to 0.14).

Conclusions: Both DCB and PNS demonstrated a lower rate of binary restenosis compared with POBA at the 6-, 12-, and 24-month timepoints. When comparing DCB with PNS through network meta-analysis, DCB had a statistically lower rate of a binary restenosis and TLR at the 12-month timepoint. This network meta-analysis demonstrates that both DCB and PNS are superior to POBA, and that PNS is a satisfactory substitute for DCB when paclitaxel is not desirable.

Keywords: Bare Metal stent; Drug-coated balloon; Network Meta-analysis; Nitinol stenting; Peripheral arterial disease.

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Conflict of interest statement

Disclosures: None

Figures

Figure 1.
Figure 1.
The left side shows forest plots for freedom from binary restenosis at 6 months (top), 12 months (middle), and 24 months (bottom). The right side shows interval plots for freedom from binary restenosis at 6 months (top), 12 months (middle), and 24 months (bottom). Black horizonal lines represent confidence intervals (CI).
Figure 2.
Figure 2.
The left side shows forest plots for freedom from target lesion restenosis at 6 months (top), 12 months (middle), and 24 months (bottom). The right side shows interval plots for freedom from target lesion revascularization at 6 months (top), 12 months (middle), and 24 months (bottom). Black horizonal lines represent confidence intervals (CI).
Figure 3.
Figure 3.
The left side shows forest plots for mean increase in ABI at 6 months (top), 12 months (middle), and 24 months (bottom). The right side shows interval plots for mean increase in ABI at 6 months (top), 12 months (middle), and 24 months (bottom). Black horizonal lines represent confidence intervals (CI).
See this image and copyright information in PMC

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