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- W2897501735 abstract "BackgroundAdvanced-stage thymic tumors infiltrating the superior vena cava (SVC), when radically resectable, can be surgically treated by SVC prosthetic replacement within a multimodality therapeutic approach. We hereby present our series of patients undergoing SVC resection and prosthetic reconstruction for stage III or IV thymic malignancies.MethodsBetween 1989 and 2015, 27 patients with thymic tumors (21 thymoma, 6 thymic carcinoma) infiltrating the SVC underwent radical resection with a SVC prosthetic replacement by a bovine pericardial conduit in 12 cases, a polytetrafluoroethylene conduit in 13, a porcine pericardial conduit in 1, and a saphenous vein conduit in 1. All the patients underwent vascular conduit reconstruction by the cross-clamping technique.ResultsSix patients were myasthenic. All resections were complete (R0). Twelve patients received induction treatment. Pulmonary resection was associated in 16 patients (11 wedge, 5 pneumonectomy). Twenty-two patients were Masaoka stage III and 5 were stage IVa. Mortality rate was 7.4%; no mortality was related to the vascular reconstruction. Major complication rate was 11.1%. At a median follow-up of 58 (range, 4 to 134) months, recurrence occurred in 9 (36%) patients. Three- and 5-year overall survival rates were 80% and 58.1%, respectively. Three-and 5-year cancer-specific survival were 90.5% and 75.4%. Cancer-specific survival rates of thymoma patients at 5 years were 93.8%. Five-year cancer-specific survival of all stage III patients was 77.1%. Thymic carcinoma histology was a negative prognostic factor. Long-term patency of the pericardial conduits was 100%.ConclusionsEn bloc resection and conduit reconstruction of the SVC is a good option to allow radical resection of locally advanced thymic tumors. A heterologous pericardial conduit represents the favorite option in our experience. Advanced-stage thymic tumors infiltrating the superior vena cava (SVC), when radically resectable, can be surgically treated by SVC prosthetic replacement within a multimodality therapeutic approach. We hereby present our series of patients undergoing SVC resection and prosthetic reconstruction for stage III or IV thymic malignancies. Between 1989 and 2015, 27 patients with thymic tumors (21 thymoma, 6 thymic carcinoma) infiltrating the SVC underwent radical resection with a SVC prosthetic replacement by a bovine pericardial conduit in 12 cases, a polytetrafluoroethylene conduit in 13, a porcine pericardial conduit in 1, and a saphenous vein conduit in 1. All the patients underwent vascular conduit reconstruction by the cross-clamping technique. Six patients were myasthenic. All resections were complete (R0). Twelve patients received induction treatment. Pulmonary resection was associated in 16 patients (11 wedge, 5 pneumonectomy). Twenty-two patients were Masaoka stage III and 5 were stage IVa. Mortality rate was 7.4%; no mortality was related to the vascular reconstruction. Major complication rate was 11.1%. At a median follow-up of 58 (range, 4 to 134) months, recurrence occurred in 9 (36%) patients. Three- and 5-year overall survival rates were 80% and 58.1%, respectively. Three-and 5-year cancer-specific survival were 90.5% and 75.4%. Cancer-specific survival rates of thymoma patients at 5 years were 93.8%. Five-year cancer-specific survival of all stage III patients was 77.1%. Thymic carcinoma histology was a negative prognostic factor. Long-term patency of the pericardial conduits was 100%. En bloc resection and conduit reconstruction of the SVC is a good option to allow radical resection of locally advanced thymic tumors. A heterologous pericardial conduit represents the favorite option in our experience." @default.
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- W2897501735 date "2019-02-01" @default.
- W2897501735 modified "2023-10-16" @default.
- W2897501735 title "Superior Vena Cava Replacement for Thymic Malignancies" @default.
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- W2897501735 doi "https://doi.org/10.1016/j.athoracsur.2018.08.060" @default.
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