Upper extremity deep venous thrombosis and pulmonary embolism after transvenous lead replacement or upgrade procedures
- 11 April 2020
- journal article
- research article
- Published by Wiley in Pacing and Clinical Electrophysiology
- Vol. 43 (5), 495-502
- https://doi.org/10.1111/pace.13915
Abstract
Background Venous obstructions are frequent in patients with transvenous leads although related clinical findings are rarely reported. After lead replacement or upgrade these lesions are even more frequent, but there is still no evidence to support this observation. Aim To investigate the incidence and possible risk factors for upper extremity deep venous thrombosis (UEDVT) and pulmonary embolism (PE) after lead replacement or upgrade procedures. Methods Prospective cohort carried out between April 2013 and July 2016. Preoperative evaluation included venous ultrasound and pulmonary angiotomography. Diagnostic exams were repeated postoperatively to detect the study outcomes. Multivariate logistic regression models were used to identify prognostic factors. Results Among the 84 patients included, 44 (52.4%) were female and mean age was 59.3 ± 15.2 years. Lead malfunctioning (75.0%) was the main surgical procedure indication. Lead removal was performed in 44 (52.4%) cases. The rate of postoperative combined events was 32.6%, with 24 (28.6%) cases of UEDVT and 6 (7.1%) cases of PE. Clinical manifestations of deep venous thrombosis occurred in 10 (11.9%) patients. Independent prognostic factors for UEDVT were severe collateral circulation in the preoperative venography (OR 4.7; 95% CI 1.1 ‐ 19.8; P = 0.037) and transvenous lead extraction (OR 27.4; 95% CI 5.8 ‐ 128.8; P <0.0001). Conclusion Reoperations involving previously implanted transvenous leads present high rates of thromboembolic complications. Transvenous lead extraction had a significant impact on the development of UEDVT. These results show the need of further studies to evaluate the role of preventive strategies for this subgroup of patients. This article is protected by copyright. All rights reservedKeywords
Funding Information
- Fundação de Amparo à Pesquisa do Estado de São Paulo (2013/180237)
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