Treatment outcomes in patients with critical limb-threatening ischemia – single centre experience

Autori:

Ines Prskalo, Mia Dubravčić Došen, Klaudija Hriberski, Andrea Crkvenac Gregorek, Predrag Pavić, Ivana Jurca, Dražen Perkov, Nino Tičinović, Majda Vrkić Kirhmajer

Sažetak
Uvod: Kronična ugrožavajuća ishemija ekstremiteta (CLTI – engl. chronic limb-threatening ischemia), kao posljednji stadij periferne arterijske bolesti, predstavlja ozbiljan zdravstveni problem s visokom stopom mortaliteta, morbiditeta i amputacija. Efikasna revaskularizacija ključna je za očuvanje ishemičnog ekstremiteta u bolesnika s CLTI. Odabir najboljeg načina revaskularizacije je izazovan zbog brzog razvoja novih tehnologija i često pridruženih komorbiditeta, stoga zahtijeva multidisciplinarni pristup. Cilj ovog istraživanja bio je ispitati karakteristike i ishode liječenja bolesnika hospitaliziranih zbog CLTI u Kliničkom bolničkom centru (KBC) Zagreb. Materijali i metode: Riječ je o retrospektivnom istraživanju u koje je uključeno 149 konsekutivnih bolesnika s CLTI hospitaliziranih u razdoblju od svibnja 2021. do lipnja 2022. godine u Klinici za kirurgiju i Klinici za bolesti srca i krvnih žila KBC-a Zagreb. Glavni ishod bio je utvrditi preživljenje bez amputacije (AFS – engl. amputation-free survival) i ukupni jednogodišnji mortalitet u bolesnika s CLTI koji su liječeni različitim metodama revaskularizacije (endovaskularna, kirurška, hibridna) ili isključivo medikamentnom terapijom. Dodatno su analizirani rani hospitalni ishodi, uključujući mortalitet i stopu amputacija te trajanje hospitalizacije u odnosu na primijenjene metode liječenja. Rezultati: Najčešće korištena metoda revaskularizacije bila je endovaskularna koja je primijenjena u 62,4% slučajeva, dok je kirurška revaskularizacija učinjena u 17,4% slučajeva. Jednogodišnje preživljenje bez amputacije zabilježeno je u 63,8% bolesnika, dok su mortalitet i velike amputacije zabilježeni u 17,4% i 18,1% bolesnika. Unatoč razlici u trajanju hospitalizacije, nije pronađena značajna razlika u stopama mortaliteta ili amputacija među različitim metodama liječenja. Zaključak: Rezultati ovog istraživanja pokazuju da različite metode revaskularizacije mogu postići slične jednogodišnje stope AFS-a i mortaliteta kada su prilagođene stanju bolesnika. Ovo naglašava važnost individualiziranog i multidisciplinarnog pristupa u optimizaciji ishoda liječenja CLTI.
Summary

Introduction: Chronic limb-threatening ischemia (CLTI), the most advanced stage of peripheral artery disease, represents a significant global health concern due to high mortality, severe morbidity, and an increased risk of limb amputation. Effective revascularization is essential for limb preservation in patients with CLTI. Selecting the optimal revascularization strategy is challenging due to the rapid development of new technologies and the frequent presence of associated comorbidities. Consequently, a multidisciplinary approach is required. The aim of this study was to investigate clinical characteristics and outcomes of patients treated for CLTI at the University
Hospital Centre (UHC) Zagreb. Materials and methods: We conducted a retrospective analysis of 149 consecutive patients admitted to the Department of surgery and the Department of cardiovascular diseases at UHC Zagreb with a diagnosis of CLTI between May 2021 and June 2022. The main objective was to examine amputation-free survival (AFS) and overall one-year mortality among patients with CLTI who were treated with various revascularization approaches – including endovascular, surgical, hybrid, and conservative methods – based on a multidisciplinary decision. Early hospital outcomes, including mortality, amputation rates, and hospital stay length, were also analysed. Results: Endovascular revascularization was the most commonly used method, accounting for 62.4% of cases, while surgical revascularization was performed in 17.4% of patients. One-year AFS was observed in 63.8% of patients, while mortality and major amputations occurred in 17.4% and 18.1% of patients, respectively. Despite variations in hospitalization duration, no significant differences were found in mortality or amputation rates between the different treatment methods. Conclusion: The results of this study highlight that different revascularization methods can achieve similar one-year AFS and mortality outcomes when tailored to the
patient’s condition. This underscores the importance of a personalized and multidisciplinary approach to optimize treatment outcomes for CLTI.

Volumen: 5-6, 2025

Liječ Vjesn 2025;147:199–206

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