Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case report

Abstract Background Macroscopic fat pulmonary embolism is extremely uncommon. Most cases occur in the context of fat grafting or long bone fractures. Macroscopic fat pulmonary embolism may be associated with cardiopulmonary compromise and is associated with high mortality. Mechanical thrombectomy is...

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Main Authors: James M. Chan, Zeyad Aljeboori, Angajendra Ghosh, Benjamin Peake, Moira N. Rush, Alexandra Du Guesclin, Hui Yin Lim, Miranda Siemienowicz, Hong Kuan Kok, Goran Mitreski
Format: Article
Language:English
Published: SpringerOpen 2025-02-01
Series:CVIR Endovascular
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Online Access:https://doi.org/10.1186/s42155-025-00521-6
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author James M. Chan
Zeyad Aljeboori
Angajendra Ghosh
Benjamin Peake
Moira N. Rush
Alexandra Du Guesclin
Hui Yin Lim
Miranda Siemienowicz
Hong Kuan Kok
Goran Mitreski
author_facet James M. Chan
Zeyad Aljeboori
Angajendra Ghosh
Benjamin Peake
Moira N. Rush
Alexandra Du Guesclin
Hui Yin Lim
Miranda Siemienowicz
Hong Kuan Kok
Goran Mitreski
author_sort James M. Chan
collection DOAJ
description Abstract Background Macroscopic fat pulmonary embolism is extremely uncommon. Most cases occur in the context of fat grafting or long bone fractures. Macroscopic fat pulmonary embolism may be associated with cardiopulmonary compromise and is associated with high mortality. Mechanical thrombectomy is an emerging technique in interventional radiology, primarily investigated as a therapeutic approach for thrombotic pulmonary embolism. Case presentation We present a case report of a 73-year-old woman with macroscopic fat pulmonary embolism after a neck of femur fracture. Initially, she had severe circulatory shock, requiring multiple vasopressors and admission to the Intensive Care Unit. A percutaneous large-bore mechanical thrombectomy was performed, after which notable improvements to haemodynamic function and overall clinical trajectory were observed. Conclusions To our knowledge, this is the first report of mechanical thrombectomy in macroscopic fat pulmonary embolism. Further research is required to better delineate the role of mechanical thrombectomy in this rare condition.
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series CVIR Endovascular
spelling doaj-art-f7bde6ef2ccc42b7bf166be1c8ec97de2025-02-09T12:56:14ZengSpringerOpenCVIR Endovascular2520-89342025-02-01811510.1186/s42155-025-00521-6Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case reportJames M. Chan0Zeyad Aljeboori1Angajendra Ghosh2Benjamin Peake3Moira N. Rush4Alexandra Du Guesclin5Hui Yin Lim6Miranda Siemienowicz7Hong Kuan Kok8Goran Mitreski9University of MelbourneDepartment of Intensive Care, Northern HospitalDepartment of Intensive Care, Northern HospitalDepartment of Anaesthesia and Perioperative Medicine, Northern HealthDepartment of Anaesthesia and Perioperative Medicine, Northern HealthNorthern Pathology Victoria, Northern HealthNorthern Pathology Victoria, Northern HealthInterventional Radiology Service, Northern HealthDepartment of Medicine, Northern Health, University of MelbourneInterventional Radiology Service, Northern HealthAbstract Background Macroscopic fat pulmonary embolism is extremely uncommon. Most cases occur in the context of fat grafting or long bone fractures. Macroscopic fat pulmonary embolism may be associated with cardiopulmonary compromise and is associated with high mortality. Mechanical thrombectomy is an emerging technique in interventional radiology, primarily investigated as a therapeutic approach for thrombotic pulmonary embolism. Case presentation We present a case report of a 73-year-old woman with macroscopic fat pulmonary embolism after a neck of femur fracture. Initially, she had severe circulatory shock, requiring multiple vasopressors and admission to the Intensive Care Unit. A percutaneous large-bore mechanical thrombectomy was performed, after which notable improvements to haemodynamic function and overall clinical trajectory were observed. Conclusions To our knowledge, this is the first report of mechanical thrombectomy in macroscopic fat pulmonary embolism. Further research is required to better delineate the role of mechanical thrombectomy in this rare condition.https://doi.org/10.1186/s42155-025-00521-6Pulmonary embolismPulmonary fat embolismCT pulmonary angiogramThrombectomyMechanical thrombectomy
spellingShingle James M. Chan
Zeyad Aljeboori
Angajendra Ghosh
Benjamin Peake
Moira N. Rush
Alexandra Du Guesclin
Hui Yin Lim
Miranda Siemienowicz
Hong Kuan Kok
Goran Mitreski
Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case report
CVIR Endovascular
Pulmonary embolism
Pulmonary fat embolism
CT pulmonary angiogram
Thrombectomy
Mechanical thrombectomy
title Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case report
title_full Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case report
title_fullStr Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case report
title_full_unstemmed Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case report
title_short Percutaneous large-bore mechanical thrombectomy for macroscopic fat pulmonary embolism: a case report
title_sort percutaneous large bore mechanical thrombectomy for macroscopic fat pulmonary embolism a case report
topic Pulmonary embolism
Pulmonary fat embolism
CT pulmonary angiogram
Thrombectomy
Mechanical thrombectomy
url https://doi.org/10.1186/s42155-025-00521-6
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