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Percutaneous Thrombus Removal in COVID-19-Infected Patient with Pulmonary Embolism.

ABSTRACT: We present a case describing the use of the AngioVac system (AngioDynamics, Inc.) and SENTINEL™ cerebral protection system (SCPS; Boston Scientific) in a patient with COVID-19 who initially presented with a large deep-vein thrombosis of the left lower extremity, complicated by a pulmonary embolism. Although he initially improved with systemic alteplase, he later developed a second large clot diagnosed in transit in the right atrium. Within 12 hours from initial thrombolysis, this large clot wedged across an incidental patent foramen ovale (PFO), the atrial septum, and the cavotricuspid annulus. We emergently performed a percutaneous clot extraction with preemptive placement of the SCPS in anticipation of cardioembolic phenomenon. A large (> 10 cm) clot was extracted without complication, and the patient was discharged home. The combined use of SCPS and AngioVac in this case suggests a potential role for percutaneous treatment of severe and consequential thromboembolic disease, especially in patients with a PFO, and may be considered as an alternative and less-invasive option in patients with COVID-19. While cerebral embolic protection devices are approved for and widely used in transcatheter aortic valve replacement procedures, there is a theoretical benefit for use in percutaneous thrombolectomies as well.

SUBMITTER: Nascimbene A

PROVIDER: S-EPMC8298113 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Acute pulmonary embolism in COVID-19 patient: a case report of free-floating right heart thrombus successfully treated with fibrinolysis.

Project description:BackgroundDespite the fast-growing understanding of the coronavirus disease 2019 (COVID-19), patient management remains largely empirical or based on retrospective studies. In this complex scenario, an important clinical issue appears to be represented by the high prevalence of thromboembolic events, but the data regarding high-risk pulmonary embolism (PE) is still not available.Case summaryA patient with COVID-19 developed sudden shortness of breath and hypoxia. Early echocardiographic diagnosis of high-risk PE related to right heart thrombus was performed. Systemic thrombolysis was administered with excellent clinical and haemodynamic response.DiscussionPulmonary thromboembolism is a common occurrence in severe COVID-19 infection. In our experience, systemic thrombolysis proved to be effective and for this reason may be considered for life-threatening PE in COVID-19 patients.

| S-EPMC7799211 | biostudies-literature

Acute Pulmonary Embolism in COVID-19: A Potential Connection between Venous Congestion and Thrombus Distribution.

Project description:Background: Vascular abnormalities, including venous congestion (VC) and pulmonary embolism (PE), have been recognized as frequent COVID-19 imaging patterns and proposed as severity markers. However, the underlying pathophysiological mechanisms remain unclear. In this study, we aimed to characterize the relationship between VC, PE distribution, and alveolar opacities (AO). Methods: This multicenter observational registry (clinicaltrials.gov identifier NCT04824313) included 268 patients diagnosed with SARS-CoV-2 infection and subjected to contrast-enhanced CT between March and June 2020. Acute PE was diagnosed in 61 (22.8%) patients, including 17 females (27.9%), at a mean age of 61.7 ± 14.2 years. Demographic, laboratory, and outcome data were retrieved. We analyzed CT images at the segmental level regarding VC (qualitatively and quantitatively [diameter]), AO (semi-quantitatively as absent, <50%, or >50% involvement), clot location, and distribution related to VC and AO. Segments with vs. without PE were compared. Results: Out of 411 emboli, 82 (20%) were lobar or more proximal and 329 (80%) were segmental or subsegmental. Venous diameters were significantly higher in segments with AO (p = 0.031), unlike arteries (p = 0.138). At the segmental level, 77% of emboli were associated with VC. Overall, PE occurred in 28.2% of segments with AO vs. 21.8% without (p = 0.047). In the absence of VC, however, AO did not affect PE rates (p = 0.94). Conclusions: Vascular changes predominantly affected veins, and most PEs were located in segments with VC. In the absence of VC, AOs were not associated with the PE rate. VC might result from increased flow supported by the hypothesis of pulmonary arteriovenous anastomosis dysregulation as a relevant contributing factor.

| S-EPMC9219696 | biostudies-literature

D-dimer in patients infected with COVID-19 and suspected pulmonary embolism.

Project description:OBJECTIVE:To analyze the risk factors for pulmonary embolism (PE) in patients infected with COVID-19. METHODS:We conducted an observational, retrospective study. Patients with severe infection with COVID-19 and suspected PE were included. RESULTS:Patients with higher levels of D-dimer and those requiring intubation were at a higher risk of developing PE. Higher D-dimer levels were associated with a greater probability of PE 3, 6, 9 and 12 days after determining D-dimer levels with an OR of 1.7, 2.0, 2.4 and 2.4, respectively. CONCLUSION:In conclusion, patients infected with COVID-19 requiring OTI with higher levels of D-dimer have an increased risk of developing PE.

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Reprint of: Pulmonary embolism with Hampton Hump in COVID-19 patient.

Project description: Not available

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Massive pulmonary embolism in a COVID-19 patient: a case report.

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| S-EPMC7454543 | biostudies-literature

COVID-19 infection complicated with acute pulmonary embolism treated with percutaneous pulmonary artery thrombectomy: a case report.

Project description:BackgroundCoronavirus disease 2019 (COVID-19) disease is a highly prothrombotic state. Deep vein thrombosis (DVT) and pulmonary embolism (PE) are observed with increased incidence in patients infected with the severe acute respiratory syndrome coronavirus 2 virus.Case summaryA 57-year-old male patient with a recent COVID-19 infection complained of leg swelling shortly after his COVID ward discharge. A few days later he was hospitalized with acute massive PE and DVT of his left leg was diagnosed. In another facility, as the first line of treatment, the PE was managed with catheter-directed therapy (CDT) using thrombus defragmentation via 5F (French) Pigtail catheter and supraselective application of 40 mg alteplase. Following the procedure, in addition, 50 mg alteplase was also applied as a 1 hour systemic infusion. Despite the haemodynamic stabilization of the patient, he remained persistently symptomatic and tachycardic. Three days later-in our institution, a second computed tomography pulmoangiography revealed massive thrombotic masses mainly in the left pulmonary artery. Successful percutaneous thrombus aspiration was conducted. The procedure was uneventful with an immediate drop of systolic pulmonary artery pressure from 68 to 47 mmHg and relief of the patient's symptoms.DiscussionIn the era of the COVID-19 pandemic, physicians have to remain vigilant of its potential thrombotic complications, the most commonly observed being DVT and PE. We demonstrated the efficacy of percutaneous thrombus aspiration in a patient with acute COVID-19-associated PE, after initial CDT with thrombus defragmentation and high-dose tissue plasminogen activator was implemented with a suboptimal result.

| S-EPMC9214152 | biostudies-literature

Submassive Pulmonary Embolism and Left Atrial Thrombus.

Project description: Not available

| S-EPMC6058411 | biostudies-literature

Tricuspid valve thrombus causing acute pulmonary embolism.

Project description:The development of thrombus on the tricuspid valve is very rare in adulthood and it needs special attention in clinical practice as it can be confused with vegetation or a tumour. Embolisation due to thrombus may have an acute and unexpected course with a detrimental prognosis and a high death rate during the first 24 h after diagnosis. In this report, we presented a case of mobile tricuspid valve thrombus detected by transthoracic echocardiography that led to recurrent pulmonary embolism.

| S-EPMC3618539 | biostudies-other

Acute pulmonary embolism in a patient with mild COVID-19 symptoms: a case report.

Project description:BackgroundThe venous thromboembolism (VTE) is a frequent condition, which may worsen the prognosis of hospitalized COVID-19 patients. Nevertheless, the incidence of this complication is unknown in patients with mild COVID-19 symptoms.Case summaryA 26-year-old female nurse, who had been taking oral contraceptive pills (OCPs) treatment for the last 2 years, developed mild COVID-19 symptoms (rhinitis and anosmia). She underwent isolation at home and was subsequently followed up with telehealth visits. Fifteen days after her initial presentation, she developed acute onset sudden dyspnoea. On physical examination, she was found to be tachycardic with normal pulse oximetry. The initial risk score for VTE was moderate and laboratory results showed increased D-dimer level without other relevant findings. Computed tomography pulmonary angiography was performed, which confirmed low-risk subsegmental pulmonary embolism.DiscussionVenous thromboembolism in patients who present with severe COVID-19 symptoms has already been described in the literature; its incidence is greater in patients hospitalized in intensive care units. Efforts to prevent VTE based on risk scores are widely recognized. However, the relationship in patients who present with mild COVID-19 symptoms and VTE is still unknown. Recently, experts on this field have introduced thromboprophylaxis guidelines including ambulatory patients based on the severity of COVID-19 symptoms and pro-thrombotic risk. Our patient showed no major risk for developing VTE; therefore, the VTE could be associated with SARS-CoV-2 infection or the eventual pro-thrombotic association with the concomitant use of OCPs.

| S-EPMC7819833 | biostudies-literature

Diagnostic Management of Acute Pulmonary Embolism in COVID-19 and Other Special Patient Populations.

Project description:Venous thromboembolism (VTE), in particular acute pulmonary embolism (PE), has been shown to be a frequent and potentially fatal complication of coronavirus disease 2019 (COVID-19). In response to the observed thrombotic complications, a large number of studies has been devoted to the understanding and management of COVID-19-associated coagulopathy. Notably, only a limited number of mostly retrospective studies has focused on the optimal diagnostic strategy for suspected PE in COVID-19 patients. As in other special populations, the accuracy of diagnostic algorithms for PE-exclusion has been debated in this specific patient subgroup as the specificity of D-dimer assays and clinical decision rules (CDRs) may be lower than normal. From this viewpoint, we discuss the current state-of-the-art diagnostic algorithms for acute PE with a focus on patients with COVID-19 in the perspective of other special patient populations. Furthermore, we summarize current knowledge regarding the natural history of PE resolution with anticoagulant treatment in patients with COVID-19.

| S-EPMC9221574 | biostudies-literature

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