Catheter-Induced Cement Embolism During Attempted Ablation Procedure.
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ABSTRACT:
SUBMITTER: Wittmer S
PROVIDER: S-EPMC8314126 | biostudies-literature | 2021 Jul
REPOSITORIES: biostudies-literature
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Catheter-Induced Cement Embolism During Attempted Ablation Procedure.
Wittmer Severin S Küffer Thomas T Gräni Christoph C Reichlin Tobias T Roten Laurent L
JACC. Case reports 20210721 8
Pulmonary cement embolism is a well-described complication of cement vertebroplasty (1,2). We describe the case of a patient with acute cement embolism during catheter insertion for attempted pulmonary vein isolation 1 month after cement vertebroplasty. We discuss the mechanism of acute cement embolism, possible sequelae, and treatment considerations. (<b>Level of Difficulty: Intermediate.</b>). ...[more]
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Project description:Objective Pulmonary cement embolism is a rare but underestimated complication of vertebroplasty due to the relative lack of study and examination. This study aims to investigate the incidence of pulmonary cement embolism in patients with spinal metastasis who undergo PVP with RFA and to analyze the relative risk factors. Methods A total of 47 patients were retrospectively included and classified into pulmonary cement embolism (PCE) group and non-pulmonary cement embolism (NPCE) group by comparing pre- and postoperative pulmonary CT scan images. The demographic and clinical information of the patients was obtained. Demographic data in the two groups were compared using the chi-square test for qualitative data and the unpaired t test for quantitative data. Multiple logistic regression analysis was used to identify risk factors related to pulmonary cement embolism. Results Pulmonary cement embolism was detected in 11 patients (23.4%), and all patients were asymptomatic and followed up regularly. Risk analysis showed that multiple segments (≥3, p=0.022), thoracic vertebrae (p=0.0008), and unipedicular puncture approach (p=0.0059) were risk factors for pulmonary cement embolism. There was a high incidence of pulmonary cement embolism if bone cement leaked into the para vertebral venous plexus in the thoracic vertebra (p<0.0001). Vein leakage of cement was related to the integrity of the vertebral cortex. Conclusion The number of involved vertebrae, lesion location, and puncture approach are independent risk factors for pulmonary cement embolism. There was a high incidence of pulmonary cement embolism if bone cement leaked into the para vertebral venous plexus in the thoracic vertebra. Surgeons should consider these factors when formulating therapeutic strategies.
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Project description:The treatment effect of the hybrid procedure, consisting of a thoracoscopic ablation followed by an endocardial radiofrequency catheter ablation (RFCA), is unclear. A total of 117 ablation-naïve patients who underwent either the staged hybrid procedure (n = 72) or RFCA alone (n = 105) for drug-refractory, non-valvular persistent or long-standing persistent atrial fibrillation (AF) were enrolled. The primary outcome is occurrence of total atrial arrhythmia, defined as a composite of AF, sustained atrial tachycardia (AT), and atypical atrial flutter (AFL) after index procedure. The mean age was 52.7 years. Eighty-four percentage of the patients were male. Patients with prior history of stroke and long-standing persistent AF were more prevalent in the hybrid group than RFCA group. The left atrial volume index was larger in the hybrid group (P<0.001). During 2.1 years of median follow-up, the incidence of total atrial arrhythmia was not different between the two groups (32.5% vs. 35.7%; adjusted hazard ratio: 0.64; 95% confidence interval: 0.36-1.14; P = 0.13). The AF recurrence was significantly lower in the hybrid group than in the RFCA group (29.6% vs. 34.9%; adjusted HR: 0.53; 95% CI: 0.29-0.99; P = 0.046). The hospital stay was longer in the hybrid group than in the RFCA group (11 days vs. 4 days; P<0.001). A staged hybrid procedure may be an alternative choice for drug-refractory persistent AF, but it is no more effective than RFCA alone to eliminate atrial arrhythmias. Considering the long-length of stay and the morbidity, careful consideration should be given in selection of treatment strategy.
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Project description:BackgroundNationwide data are insufficient with respect to the characteristics of patients undergoing ventricular tachycardia (VT) ablation, complications of VT ablation, and procedure details including catheter devices used during VT ablation. The present study was performed to describe the patient characteristics, procedure details including catheter devices, and in-hospital complications of catheter ablation for VT using a national inpatient database.MethodsWe used the Diagnosis Procedure Combination database, a national Japanese inpatient database, to identify patients who underwent VT ablation from July 2010 to March 2017. We examined patients' age, gender, baseline diseases, comorbid conditions, admission status, catheter devices and drugs used, and in-hospital complications of VT ablation.ResultsWe identified 10 641 patients (median age, 61 years) who underwent VT ablation. The most frequently observed background heart disease among patients with structural heart disease was ischemic cardiomyopathy. An irrigated ablation catheter was used in 73% of patients, a force-sensing ablation catheter was used in 22%, and intracardiac echocardiography was used in 25%. The frequency of using these procedures continuously increased over time. Overall, the prevalence of in-hospital complications was 3.5% (cardiac tamponade, 0.8%; stroke, 0.6%; critical bleeding, 1.9%; mechanical circulatory support, 0.9%; and in-hospital death, 0.8%).ConclusionsThe results of this study show the clinical features of VT ablation in a real-world clinical setting. The use of irrigated catheters, force-sensing catheters, and intracardiac echocardiography increased over time. The prevalence of in-hospital complications was 3.5%.
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Project description:BackgroundBone cement embolism is one of major complications of percutaneous kyphoplasty. Although rare, the intracardiac cement embolism is potentially life-threatening, with a documented incidence of 3.9%, and it is even more infrequent if symptomatic (0.3%).Case presentationHerein, we reported an extremely rare case of intracardiac bone cement embolism after percutaneous kyphoplasty causing right ventricle perforation. A 70-year-old woman, experiencing sudden left chest pain with radiation to the shoulder for 9 h, was transferred to our emergency department. Two hours before onset of her symptoms, she underwent percutaneous kyphoplasty at the local hospital. The computed tomography angiography revealed that an intracardiac foreign body penetrated her right ventricle. In light of her surgical history, bone cement embolism was suspected and thus, the patient was transferred to our center. Computed tomography and echocardiography confirmed the presence of intracardiac linear-shaped foreign body perforating the right ventricle. Therefore, the patient underwent open-heart surgery and the bone cement was removed successfully.ConclusionsSymptomatic intracardiac bone cement embolism is potentially fatal, so the rapid diagnosis and prompt treatment measures based on the cement emboli characteristics and the patient's condition are crucial.
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