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Am J Med. 2014 Mar;127(3):222-5. doi: 10.1016/j.amjmed.2013.11.003. Epub 2013 Nov 23.

Vena cava filters in unstable elderly patients with acute pulmonary embolism.

Author information

  • 1Department of Osteopathic Medical Specialties, Michigan State University College of Osteopathic Medicine, East Lansing, Mich. Electronic address: steinp@msu.edu.
  • 2Department of Osteopathic Medical Specialties, Michigan State University College of Osteopathic Medicine, East Lansing, Mich; Department of Research, St. Mary Mercy Hospital, Livonia, Mich.

Abstract

BACKGROUND:

Inferior vena cava filters are associated with a reduced in-hospital all-cause case fatality rate of unstable patients with acute pulmonary embolism. Whether vena cava filters are associated with a reduced case fatality rate in adults of all ages with unstable pulmonary embolism, particularly the elderly, has not been determined.

METHODS:

Unstable patients with pulmonary embolism (in shock or ventilator dependent) 1999-2008 were identified from the Nationwide Inpatient Sample.

RESULTS:

Among 21,095 unstable patients with pulmonary embolism who received thrombolytic therapy, in-hospital all-cause case fatality rate was lower in every age group who received a vena cava filter in addition to thrombolytic therapy (P = .0012 to <.0001). Patients aged ≥ 81 years showed the greatest absolute reduction of case fatality rate with filters (19.3%). Among 50,210 unstable patients who did not receive thrombolytic therapy, case fatality rate also was lower in every age group who received a vena cava filter (all P <.0001). Patients aged ≥ 81 years with vena cava filters showed the greatest absolute risk reduction of case fatality rate (27.7%).

CONCLUSION:

Vena cava filters are associated with a reduced in-hospital all-cause case fatality rate in unstable adults with pulmonary embolism, irrespective of age.

Copyright © 2014 Elsevier Inc. All rights reserved.

KEYWORDS:

Pulmonary embolism; Vena cava filters; Venous thromboembolism

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