Dataset Information

Apixaban or Rivaroxaban Versus Warfarin for Treatment of Submassive Pulmonary Embolism After Catheter-Directed Thrombolysis.

ABSTRACT: BACKGROUND:Little data exist on the use of direct oral anticoagulant (DOAC) factor Xa inhibitors for submassive pulmonary embolism (PE) after catheter-directed thrombolysis (CDT). The objective of this evaluation was to determine whether the transition from parenteral anticoagulation to DOACs for submassive PE after CDT would decrease hospital length of stay (LOS) compared to warfarin. METHODS:A retrospective review of patients diagnosed with submassive PE who underwent CDT was conducted from January 1, 2012, to February 28, 2017. Hospital LOS and major and minor bleeding events were recorded during hospitalization and at 90 days. RESULTS:Sixty-two patients met the inclusion criteria, 36 in warfarin group and 26 in the DOAC group. Overall, patients receiving rivaroxaban or apixaban had a shorter median hospital LOS compared to warfarin (4.0 vs 6.1 days, P = .002). In the multivariate regression analysis, administration of DOAC was an independent predictor of decreased hospital LOS, ?: -2.1, 95% confidence interval (-3.5 to -0.7). CONCLUSION:Among patients with submassive PE, initiation of a DOAC shortly after CDT may result in a decreased hospital LOS compared to parenterally bridged warfarin.

SUBMITTER: Groetzinger LM

PROVIDER: S-EPMC6714714 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Apixaban or Rivaroxaban Versus Warfarin for Treatment of Submassive Pulmonary Embolism After Catheter-Directed Thrombolysis.

Groetzinger Lara M LM Miller Taylor J TJ Rivosecchi Ryan M RM Smith Roy E RE Gladwin Mark T MT Rivera-Lebron Belinda N BN

Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis 20180218 6

<h4>Background</h4>Little data exist on the use of direct oral anticoagulant (DOAC) factor Xa inhibitors for submassive pulmonary embolism (PE) after catheter-directed thrombolysis (CDT). The objective of this evaluation was to determine whether the transition from parenteral anticoagulation to DOACs for submassive PE after CDT would decrease hospital length of stay (LOS) compared to warfarin.<h4>Methods</h4>A retrospective review of patients diagnosed with submassive PE who underwent CDT was co ...[more]

PMID: 29455567

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Project description:ObjectivesThe aim of this trial was to determine whether ultrasound-assisted thrombolysis (USAT) is superior to standard catheter-directed thrombolysis (SCDT) in pulmonary arterial thrombus reduction for patients with submassive pulmonary embolism (sPE).BackgroundCatheter-directed therapy has been increasingly used in sPE and massive pulmonary embolism as a decompensation prevention and potentially lifesaving procedure. It is unproved whether USAT is superior to SCDT using traditional multiple-side-hole catheters in the treatment of patients with pulmonary embolism.MethodsAdults with sPE were enrolled. Participants were randomized 1:1 to USAT or SCDT. The primary outcome was 48-hour clearance of pulmonary thrombus assessed by pre- and postprocedural computed tomographic angiography using a refined Miller score. Secondary outcomes included improvement in right ventricular-to-left ventricular ratio, intensive care unit and hospital stay, bleeding, and adverse events up to 90 days.ResultsEighty-one patients with acute sPE were randomized and were available for analysis. The mean total dose of alteplase for USAT was 19 ± 7 mg and for SCDT was 18 ± 7 mg (P = 0.53), infused over 14 ± 6 and 14 ± 5 hours, respectively (P = 0.99). In the USAT group, the mean raw pulmonary arterial thrombus score was reduced from 31 ± 4 at baseline to 22 ± 7 (P < 0.001). In the SCDT group, the score was reduced from 33 ± 4 to 23 ± 7 (P < 0.001). There was no significant difference in mean thrombus score reduction between the 2 groups (P = 0.76). The mean reduction in right ventricular/left ventricular ratio from baseline (1.54 ± 0.30 for USAT, 1.69 ± 0.44 for SCDT) to 48 hours was 0.37 ± 0.34 in the USAT group and 0.59 ± 0.42 in the SCDT group (P = 0.01). Major bleeding (1 stroke and 1 vaginal bleed requiring transfusion) occurred in 2 patients, both in the USAT group.ConclusionsIn the SUNSET sPE (Standard vs. Ultrasound-Assisted Catheter Thrombolysis for Submassive Pulmonary Embolism) trial, patients undergoing USAT had similar pulmonary arterial thrombus reduction compared with those undergoing SCDT, using comparable mean lytic doses and durations of lysis.

Project description:BACKGROUND:Catheter-directed interventions for the treatment of patients with submassive pulmonary embolism (sPE) have shown promise in rapidly improving right-sided heart strain and preventing decompensation to massive pulmonary embolism. Among various catheter interventions, ultrasound-assisted thrombolysis (USAT) has attracted interest as potentially having more efficient lytic effect that could achieve thrombolysis faster and with a reduced lytic dose. However, based on clinical evidence, it is unclear whether USAT is superior to standard catheter-directed thrombolysis (SCDT). We herein describe the study design of the Standard vs UltrasouNd-assiSted CathEter Thrombolysis for Submassive Pulmonary Embolism (SUNSET sPE) trial, an ongoing randomized clinical trial designed to address this question. METHODS:Adults with sPE presenting or referred to our institution are considered for enrollment in the trial. At the discretion of the treatment team, all patients undergo a catheter-directed intervention plus concomitant therapeutic anticoagulation. Participants are randomized 1:1 to a USAT catheter or an SCDT catheter. Study assessors are blinded to treatment group. The primary outcome is clearance of pulmonary thrombus burden, assessed by postprocedure computed tomography angiography. Secondary outcomes include resolution of right ventricular strain by echocardiography; improvement in pulmonary artery pressures; and 3- and 12-month improvement in echocardiographic, functional capacity, and quality of life measures. The study is powered to detect a 50% improvement in pulmonary artery thrombus clearance. Our enrollment target is 40 patients per treatment arm. CONCLUSIONS:SUNSET sPE is an ongoing randomized, head-to-head, single-blinded clinical trial with the goal of assessing whether USAT results in superior thrombus clearance compared with SCDT in patients with sPE. We expect the results of our study to inform future guidelines on choice of thrombolysis modality in this population of challenging patients.

Dataset Information

Apixaban or Rivaroxaban Versus Warfarin for Treatment of Submassive Pulmonary Embolism After Catheter-Directed Thrombolysis.

Publications

Apixaban or Rivaroxaban Versus Warfarin for Treatment of Submassive Pulmonary Embolism After Catheter-Directed Thrombolysis.

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