Vascular · 2022
Predictors of infrapopliteal vein bypass graft revision in patients with chronic limb-threatening ischemia.
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Kawai Yohei, Kodama Akio, Sato Tomohiro, Ikeda Shuta, Tsuruoka Takuya, Sugimoto Masayuki, Niimi Kiyoaki, Banno Hiroshi, Komori Kimihiro
Аннотация
PURPOSE: Surgical revascularization is the standard treatment for chronic limb-threatening ischemia (CLTI). However, some patients may require reintervention. The Global Anatomic Staging System (GLASS), which evaluates the complexity of infrainguinal lesions, was proposed. This study aimed to identify predictors for graft revision and evaluate whether GLASS impacts vein graft revision.
METHODS: Between 2011 and 2018, CLTI patients who underwent de novo infrapopliteal bypass using autogenous veins were retrospectively analyzed. To assess anatomic complexity with GLASS, femoropopliteal, infrapopliteal, and inframalleolar/pedal (IM) disease grades were determined. The outcomes of patients with or without graft revision were compared. Cox regression analysis was performed.
RESULTS: Thirty-six of the 80 patients underwent reintervention for graft revision. Compared to the non-graft revision group, the graft revision group exhibited significantly higher rates of GLASS stage III (66% vs 81%, p = 0.046) and grade P2 IM disease (25% vs 58%, p = 0.009). Multivariate analysis revealed that IM grade P2 (hazard ratio [HR], 3.35; 95% confidence interval [CI], 1.66-6.75; p = 0.001) and spliced vein grafts (HR, 3.18; 95% CI, 1.43-7.06; p = 0.005) were significantly associated with graft revision.
CONCLUSIONS: This study demonstrated that IM grade P2 and spliced vein grafts were predictors of graft revision. The GLASS stratification of IM disease grade may be useful in optimizing treatment for CLTI.
METHODS: Between 2011 and 2018, CLTI patients who underwent de novo infrapopliteal bypass using autogenous veins were retrospectively analyzed. To assess anatomic complexity with GLASS, femoropopliteal, infrapopliteal, and inframalleolar/pedal (IM) disease grades were determined. The outcomes of patients with or without graft revision were compared. Cox regression analysis was performed.
RESULTS: Thirty-six of the 80 patients underwent reintervention for graft revision. Compared to the non-graft revision group, the graft revision group exhibited significantly higher rates of GLASS stage III (66% vs 81%, p = 0.046) and grade P2 IM disease (25% vs 58%, p = 0.009). Multivariate analysis revealed that IM grade P2 (hazard ratio [HR], 3.35; 95% confidence interval [CI], 1.66-6.75; p = 0.001) and spliced vein grafts (HR, 3.18; 95% CI, 1.43-7.06; p = 0.005) were significantly associated with graft revision.
CONCLUSIONS: This study demonstrated that IM grade P2 and spliced vein grafts were predictors of graft revision. The GLASS stratification of IM disease grade may be useful in optimizing treatment for CLTI.