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Pulmonary embolism: Successful treatment of floating thrombus in SFJ after vena cava filter insertion and surgical thrombectomy.

ABSTRACT: The floating venous thrombus in the common femoral vein has a high potential risk for pulmonary embolization. Clinical treatments, using anticoagulants or fibrinolytic, open thrombectomies, or thrombectomies by endovascular devices have all been used. Our case describe an obese patient affected by floating thrombus coming from GSV and diving in common femoral vein successful treated by combined both temporary vena cava insertion and open surgical thrombectomy.

SUBMITTER: Marchetti AA

PROVIDER: S-EPMC7708661 | biostudies-literature | 2020 Jan-Dec

REPOSITORIES: biostudies-literature

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Pulmonary embolism: Successful treatment of floating thrombus in SFJ after vena cava filter insertion and surgical thrombectomy.

Marchetti Andrea Ascoli AA Davila Bernardo Orellana BO Oddi Fabio Massimo FM Ippoliti Arnaldo A

JRSM cardiovascular disease 20200101

The floating venous thrombus in the common femoral vein has a high potential risk for pulmonary embolization. Clinical treatments, using anticoagulants or fibrinolytic, open thrombectomies, or thrombectomies by endovascular devices have all been used. Our case describe an obese patient affected by floating thrombus coming from GSV and diving in common femoral vein successful treated by combined both temporary vena cava insertion and open surgical thrombectomy. ...[more]

PMID: 33294173

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Project description:Background: Previous observational studies suggest that inferior vena cava filter placement in pulmonary embolism patients complicated with congestive heart failure, mechanical ventilation, and shock may have a mortality benefit. We sought to analyze the survival benefits of inferior vena cava filter in pulmonary embolism patients complicated with acute myocardial infarction, acute respiratory failure, shock, or requiring treatment with thrombolytics. Methods: This retrospective observational study used hospital discharge data from the National Inpatient Sample Data (NIS). ICD-9-CM coding was used to identify complicated pulmonary embolism patients (N = 254,465) in NIS from 2002 to 2014, including the subgroups of acute myocardial infarction, acute respiratory failure, shock, and thrombolytics. Inferior vena cava filter recipients were 1:1 propensity score-matched on age, sex, race, deep vein thrombosis, Elixhauser comorbidities, and other pulmonary embolism comorbidities (45 covariates) to non-inferior vena cava filter recipients in complicated pulmonary embolism patients and separately in each subgroup. Clinical outcomes were compared between the inferior vena cava filter group and the non-inferior vena cava filter group. Results: Mortality rate in complicated pulmonary embolism patients with inferior vena cava filter placement was lower (20.9% vs. 33%; NNT = 8.28, 95% confidence interval (CI) 7.91-8.69, E-value = 2.53) and in the subgroups; acute myocardial infarction (17.9% vs. 30.1%; NNT = 8.19, 95% CI 7.52-8.92, E-value = 2.76), acute respiratory failure (19.5% vs. 29.7%; NNT = 9.76, 95% CI 8.67-11.16, E-value = 2.38), shock (30.7% vs. 47.1%; NNT = 6.08, 95% CI 5.73-6.47, E-value = 2.43), and with the use of thrombolytics (7% vs. 12.9 %; NNT 17.1, 95% CI 14.88-20.12, E-value = 3.01) (p < 0.001 for all). Conclusion: Inferior vena cava filter placement in pulmonary embolism complicated with acute myocardial infarction, acute respiratory failure, shock, or requiring thrombolytic therapy was associated with reduced mortality.

Project description:The Sentry inferior vena cava (IVC) filter is designed to provide temporary protection against pulmonary embolism (PE) during transient high-risk periods and then to bioconvert after 60 days after implantation. At the time of bioconversion, the device's nitinol arms retract from the filtering position into the caval wall. Subsequently, the stable stent-like nitinol frame is endothelialized. The Sentry bioconvertible IVC filter has been evaluated in a multicenter investigational-device-exemption pivotal trial (NCT01975090) of 129 patients with documented deep vein thrombosis (DVT) or PE, or at temporary risk of developing DVT or PE, and with contraindications to anticoagulation. Successful filter conversion was observed in 95.7% of patients at 6 months (110/115) and 96.4% at 12 months (106/110). Through 12 months, there were no cases of symptomatic PE. The rationale for development of the Sentry bioconvertible device includes the following considerations: (1) the period of highest risk of PE for the vast majority of patients occurs within the first 60 days after an index event, with most of the PEs occurring in the first 30 days; (2) the design of retrievable IVC filters to support their removal after a transitory high-PE-risk period has, in practice, been associated with insecure filter dynamics and time-dependent complications including tilting, fracture, embolization, migration, and IVC perforation; (3) most retrievable IVC filters are placed for temporary protection, but for a variety of reasons they are not removed in any more than half of implanted patients, and when removal is attempted, the procedure is not always successful even with advanced techniques; and (4) analysis of Medicare hospital data suggests that payment for the retrieval procedure does not routinely compensate for expense. The Sentry device is not intended for removal after bioconversion. In initial clinical use, complications have been limited. Long-term results for the Sentry bioconvertible IVC filter are anticipated soon.

Dataset Information

Pulmonary embolism: Successful treatment of floating thrombus in SFJ after vena cava filter insertion and surgical thrombectomy.

Publications

Pulmonary embolism: Successful treatment of floating thrombus in SFJ after vena cava filter insertion and surgical thrombectomy.

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