• Marcus Thieme and Hans Krankenberg.
• REGIOMED-Gefäßzentrum, Klinikum Sonneberg, Sonneberg, Deutschland.
• Dtsch. Med. Wochenschr. 2024 Aug 1; 149 (17): 100210081002-1008.

AbstractThe rate of vascular recanalizations in CLTI is increasing worldwide. Safety and efficacy of surgical versus endovascular treatment in CLTI patients was investigated in 2 prospective randomized trials with contrasting results. The BEST-CLI trial randomized 1830 patients with CLTI, the Bypass versus Angioplasty for Severe Ischaemia of the Leg (BASIL-2) trial included 345 patients with CLTI. Best-CLI evaluated outcome events as the primary endpoint, which includes major reinterventions in addition to major amputations and death. Only half of the CLTI patients received a crural intervention or surgery. There were no differences in major amputations or death. After a median follow-up (FU) of 2,7 years, the surgery group showed significantly better results compared to the endovascular group, due to fewer re-interventions. BASIL-2 used amputation-free survival as the primary outcome and only included patients with lower leg lesions. After a median FU of 40 months, endovascular therapy was found to be superior. The extremely high mortality rate was remarkable in both studies. The BEST-CLI study represents CLTI patients only to a limited degree, whereas the BASIL-2 study presents the treatment of CLTI patients with below-the-knee-lesions quite well. Both studies confirm that patients with CLTI should be treated in specialized centers that offer both crural surgery and endovascular therapy. Cardiovascular risk factor management must play a more important role in reducing the high mortality associated with CLTI.Thieme. All rights reserved.

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