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1.
J Cardiovasc Electrophysiol ; 32(10): 2715-2721, 2021 10.
Artigo em Inglês | MEDLINE | ID: mdl-34288220

RESUMO

BACKGROUND: Transvenous lead extraction (TLE) is standard of care for the management of patients with cardiac implantable electronic device infection or lead-related complications. Currently, objective data on TLE in Latin America is lacking. OBJECTIVE: To describe the current practice standards in Latin American centers performing TLE. METHODS: An online survey was sent through the mailing list of the Latin American Heart Rhythm Society. Online reminders were sent through the mailing list; duplicate answers were discarded. The survey was available for 1 month, after which no more answers were accepted. RESULTS: A total of 48 answers were received, from 44 different institutions (39.6% from Colombia, 27.1% from Brazil), with most respondents (82%) being electrophysiologists. Twenty-nine institutions (66%) performed <10 lead extractions/year, with 7 (16%) institutions not performing lead extraction. Although most institutions in which lead extraction is performed reported using several tools, mechanical rotating sheaths were cited as the main tool (66%) and only 13% reported the use of laser sheaths. Management of infected leads was performed according to current guidelines. CONCLUSION: This survey is the first attempt to provide information on TLE procedures in Latin America and could provide useful information for future prospective registries. According to our results, the number of centers performing high volume lead extraction in Latin America is smaller than that reported in other continents, with most interventions performed using mechanical tools. Future prospective registries assessing acute and long-term success are needed.


Assuntos
Desfibriladores Implantáveis , Marca-Passo Artificial , Remoção de Dispositivo , Humanos , América Latina/epidemiologia , Inquéritos e Questionários , Resultado do Tratamento
2.
Pacing Clin Electrophysiol ; 43(5): 495-502, 2020 05.
Artigo em Inglês | MEDLINE | ID: mdl-32277706

RESUMO

BACKGROUND: Venous obstructions are frequent in patients with transvenous leads, although related clinical findings are rarely reported. After lead replacement or upgrade procedures, 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 six (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 (odds ratio [OR] 4.7; 95% confidence interval [CI] 1.1-19.8; P = .037) and transvenous lead extraction (OR 27.4; 95% CI 5.8-128.8; P < .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.


Assuntos
Remoção de Dispositivo/efeitos adversos , Eletrodos Implantados/efeitos adversos , Embolia Pulmonar/etiologia , Trombose Venosa Profunda de Membros Superiores/etiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Embolia Pulmonar/diagnóstico por imagem , Reoperação , Fatores de Risco , Trombose Venosa Profunda de Membros Superiores/diagnóstico por imagem
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