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Published in: CardioVascular and Interventional Radiology 12/2018

01-12-2018 | Clinical Investigation

Acute Massive and Submassive Pulmonary Embolism: Preliminary Validation of Aspiration Mechanical Thrombectomy in Patients with Contraindications to Thrombolysis

Authors: Massimo Pieraccini, Susanna Guerrini, Edoardo Laiolo, Alessio Puliti, Giandomenico Roviello, Leonardo Misuraca, Genni Spargi, Ugo Limbruno, Mauro Breggia, Morando Grechi

Published in: CardioVascular and Interventional Radiology | Issue 12/2018

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Abstract

Purpose

The aim of this study is to assess the feasibility of aspiration mechanical thrombectomy in patients with massive and submassive pulmonary embolism (PE) and contraindications to thrombolysis.

Materials and Methods

Eighteen patients presenting massive (8/18) or submassive (10/18) PE were prospectively enrolled between October 2016 and November 2017. All the patients enrolled had contraindications to thrombolysis (haemorrhagic stroke n = 1, ischaemic stroke in the preceding 6 months n = 7, central nervous system damage or neoplasms n = 1, recent major trauma/surgery/head injury in the preceding 3 weeks n = 5, gastrointestinal bleeding within the last month n = 4). Eight patients out of 18 (44.44%) were women and 10 (55.55%) were men, with an average age of 74.76 years (range 51–87 years). All the patients were stratified according to the PE severity index (PESI) and the simplified PESI score.

Results

Technical and procedural success was achieved in 18 patients (100%), as per the Society of Interventional Radiology reporting standards definition, while clinical success was achieved in 14 out of 18 patients (78%), with a significant improvement in the pre- and post-procedural right ventricular/left ventricular (RV/LV) ratio, pulmonary oxygen saturation (SpO2), heart rate, pulmonary artery systolic pressure and the Miller score with a consistent p value of < 0.00001, 0.01, 0.001, < 0.00001 and < 0.00001, respectively. The median days of hospitalization in the intensive care unit was 8.35 days (range 2–12), and during the follow-up, none of the patients developed pulmonary hypertension or PE recurrence.

Conclusion

The high technical and clinical success of the procedure employed in this study suggests that aspiration mechanical thrombectomy is a promising technique when used alone. More extensive prospective studies are needed to assess the feasibility of this treatment.
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Metadata
Title
Acute Massive and Submassive Pulmonary Embolism: Preliminary Validation of Aspiration Mechanical Thrombectomy in Patients with Contraindications to Thrombolysis
Authors
Massimo Pieraccini
Susanna Guerrini
Edoardo Laiolo
Alessio Puliti
Giandomenico Roviello
Leonardo Misuraca
Genni Spargi
Ugo Limbruno
Mauro Breggia
Morando Grechi
Publication date
01-12-2018
Publisher
Springer US
Published in
CardioVascular and Interventional Radiology / Issue 12/2018
Print ISSN: 0174-1551
Electronic ISSN: 1432-086X
DOI
https://doi.org/10.1007/s00270-018-2011-3

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