Comparative Study between Mechanical Rotational Atherectomy Combined with Drug-Coated Balloon versus Drug-Coated Balloon Alone for Treatment of In-Stent Restenosis during Peripheral Endovascular Interventions: A Multicentric Trial

Author:

Ali Mohamed1,Noureldin Mohamed12ORCID,Elokda Amr3ORCID,Tawfik Ahmed1

Affiliation:

1. Department of General Surgery, Vascular Surgery Unit, Faculty of Medicine, Cairo University, Cairo 11562, Egypt

2. Department of Vascular Surgery, AL-Sheikh Zayed Specialized Hospital, Ministry of Health and Population, Giza 12622, Egypt

3. Department of General Surgery, Vascular Surgery Unit, Faculty of Medicine, Suez University, Suez 43511, Egypt

Abstract

Purpose: To compare the efficacy and safety of percutaneous mechanical debulking (PMD) using mechanical rotational atherectomy combined with paclitaxel drug-coated balloon (DCB) versus using paclitaxel DCB alone in the treatment of in-stent restenosis. Material and Methods: This is a multicentric retrospective observational study conducted over a period of 2 years from 2020 to 2022. The study included 49 patients presented with chronic limb-threatening ischemia (CLTI) associated with in-stent restenosis, either acute (<14 days), subacute (<3 months) or chronic (>3 months). The enrolled patients underwent endovascular revascularization using either PMD combined with paclitaxel DCB or paclitaxel DCB only. They were followed up for 6 months after the intervention clinically and by duplex evaluation. Results: The lesion length was about 14.2 mm in the group treated by PMD+ DCB and 9.3 mm in the group treated by DCB alone. The technical success rate was the same between the two groups. However, the follow-up after 6 months showed that patencies for PMD + DCB and DCB alone were 15 (68.2%) patients and 15 (55.6%) patients, respectively (significant p value = 0.028). Procedural-related complications for PMD + DCB are distal embolization (9%) of cases and no vessel perforation. Regarding the candidates who were treated by DCB alone, there were minor groin hematomas (11.1%), distal arterial thrombosis (11.1%) and contrast-induced nephropathy (CIN) (11.1%) cases. Conclusion: The endovascular management of in-stent restenosis using percutaneous mechanical debulking (PMD) in conjunction with paclitaxel drug-coated balloon (DCB) showed that PMD combined with DCB is a safe and effective modality for achieving recanalization. It gives a satisfactory outcome in terms of technical success, freedom from clinically driven target lesion revascularization rate (CD-TLR) and mortality. Despite these promising results, further research with a large enrolled population may be required to determine the cost/benefit.

Publisher

MDPI AG

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