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  • Title: Single-center clinical experience of cyanoacrylate embolization method for incompetent perforating veins in treating CEAP-6 patients.
    Author: Türkmen U.
    Journal: J Vasc Surg Venous Lymphat Disord; 2024 Nov; 12(6):101939. PubMed ID: 38960130.
    Abstract:
    OBJECTIVE: The most severe form of chronic venous insufficiency includes venous leg ulcers in the CEAP-6 stage. The aim of this study is to evaluate the relationship between incompetent perforator veins occluding with cyanoacrylate and closure of perforator veins and healing of venous leg ulcers in patients at the CEAP-6 stage. METHODS: A total of 187 patients who underwent cyanoacrylate application to incompetent perforator veins due to venous leg ulcers from 2018 to 2021 were retrospectively reviewed. Twelve months after the procedure, patients were evaluated for perforator vein closure, ulcer diameter, and Venous Clinical Severity Scale. Receiver operating characteristic analysis was used to estimate the probability of postoperative nonocclusion of the perforating vein based on the preoperative ulcers' diameters and the perforating veins' mean diameters. Univariate and multivariate binary logistic regression analyses were conducted to identify the risk factors associated with incomplete closure of the perforating vein. RESULTS: At the 12 months, 87.1% of patients experienced incompetent perforator veins closure, leading to complete healing of venous leg ulcers. Preoperative ulcer diameter significantly decreased from 7.20 ± 3.48 cm2 to 0.28 ± 0.77 cm2 after the procedure (P < .001). On average, 3.5 ± 1.01 perforating veins were treated, with a diameter of 4.09 ± 0.41 mm. No postoperative paresthesia or deep vein thrombosis occurred. Preoperative Venous Clinical Severity Scale scores decreased significantly from 17.85 ± 3.06 to 8.03 ± 3.53 postoperatively (P < .001). Patients with nonoccluded perforating veins had larger preoperative ulcer diameters (13.77 ± 1.78 cm2) than those with occluded perforating veins (6.24 ± 2.47 cm2; P < .001). The mean perforating vein diameter was also larger in nonoccluded perforating veins patients (4.45 ± 0.41 mm) than in occluded perforating veins patients (4.04 ± 0.38 mm; P < .001). The sensitivity, specificity, and accuracy of the preoperative ulcer diameter cutoff point of 11.25 cm2 for the possibility of postoperative nonocclusion of perforating veins were 100% each. In contrast, those for the preoperative mean perforating vein diameter cutoff point of 4.15 mm were determined as 66.7%, 79.1%, and 77.5%, respectively. The presence of diabetes mellitus increased the likelihood of incompetent perforator veins, remaining open by 3.4 times (95% confidence interval: 1.11-10.44; P = .032), whereas a 1 mm larger mean perforating vein diameter increased this likelihood by 9.36 times (95% confidence interval: 3.47-25.29; P < .001). CONCLUSIONS: This study demonstrates that occlusion of incompetent perforator veins with cyanoacrylate is effective, safe, and associated with low complication rates in CEAP-6 patients. The findings support that cyanoacrylate occlusion of perforator veins may be a valuable option in the treatment of venous leg ulcers.
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