Journal of vascular surgery. Venous and lymphatic disorders · 2023
The outcome of sharp recanalization of chronic central venous occlusions in patients undergoing hemodialysis.
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Nasser Mahmoud M, Ghoneim Baker M, Elmahdy Hossam, Younis Sayed
Аннотация
BACKGROUND: Patients on hemodialysis are particularly vulnerable to central venous occlusion (CVO). Endovascular treatment has gained wide acceptance for the treatment of CVO. However, difficulties in crossing the occluded segment can be encountered during conventional endovascular management. Sharp recanalization has been adopted when conventional endovascular methods could not recanalize the obstructed region. This study aimed to assess the outcome of the sharp venous recanalization technique with angioplasty and stenting in the treatment of CVO in Egyptian patients undergoing hemodialysis.
METHODS: This retrospective study is based on data from a prospectively maintained department database of patients under regular hemodialysis who underwent the sharp venous recanalization technique for CVO. Routinely, the patients were followed up at 3, 6, and 12 months with a clinical examination. The primary outcomes were technical success and primary patency. Secondary outcomes included complication rates and clinical success.
RESULTS: This study included 40 patients. Thirty-six patients (90%) achieved technical and clinical success. Seven patients (17.5%) had immediate postoperative complications. Four cases had minor complications (10%) and three patients had major complications (7.5%): hemothorax in two patients (5.1%) and pneumothorax in one patient (2.6%). At the 1-year follow-up, reintervention was required in nine patients (22.5%), with primary patency rate of 77.5% and a secondary patency rate of 100%.
CONCLUSIONS: Sharp recanalization offers a solution for patients undergoing hemodialysis who developed CVO and failed to be recanalized using the conventional endovascular method. It offered promising technical success, clinical improvement, and good primary patency rates.
METHODS: This retrospective study is based on data from a prospectively maintained department database of patients under regular hemodialysis who underwent the sharp venous recanalization technique for CVO. Routinely, the patients were followed up at 3, 6, and 12 months with a clinical examination. The primary outcomes were technical success and primary patency. Secondary outcomes included complication rates and clinical success.
RESULTS: This study included 40 patients. Thirty-six patients (90%) achieved technical and clinical success. Seven patients (17.5%) had immediate postoperative complications. Four cases had minor complications (10%) and three patients had major complications (7.5%): hemothorax in two patients (5.1%) and pneumothorax in one patient (2.6%). At the 1-year follow-up, reintervention was required in nine patients (22.5%), with primary patency rate of 77.5% and a secondary patency rate of 100%.
CONCLUSIONS: Sharp recanalization offers a solution for patients undergoing hemodialysis who developed CVO and failed to be recanalized using the conventional endovascular method. It offered promising technical success, clinical improvement, and good primary patency rates.