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Related Experiment Videos

Why does prophylaxis with external pneumatic compression for deep vein thrombosis fail?

A J Comerota1, M L Katz, J V White

  • 1Department of Surgery, Temple University Hospital, Philadelphia, Pennsylvania 19140.

American Journal of Surgery
|September 1, 1992
PubMed
Summary
This summary is machine-generated.

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Improper use of external pneumatic compression (EPC) devices is common, potentially causing deep vein thrombosis (DVT) complications. Proper application was better in ICUs but decreased when patients transferred to regular units, despite training.

Area of Science:

  • Medical Devices
  • Vascular Surgery
  • Critical Care Medicine

Background:

  • External pneumatic compression (EPC) devices are widely used for deep vein thrombosis (DVT) prophylaxis postoperatively.
  • Observed DVT complications suggest potential issues with EPC device effectiveness.
  • Proper application is crucial for effective DVT prophylaxis with EPC devices.

Purpose of the Study:

  • To evaluate the correct application of EPC devices in intensive care units (ICUs) versus regular nursing units.
  • To determine if in-service training improves the proper use of EPC devices.
  • To identify factors contributing to EPC device malfunction.

Main Methods:

  • Prospective study involving 138 patients with at least two risk factors for postoperative DVT.

Related Experiment Videos

  • Assessed EPC device functionality during routine visits in ICUs and regular nursing units.
  • Monitored EPC device function in patients transferred from ICU to regular units.
  • Evaluated the impact of dedicated in-service instruction on device usage.

    • Main Results:

    • Properly functioning EPC devices were observed in 78% of ICU visits versus 48% of regular unit visits (p<0.0001).
    • Functional application decreased significantly from 82% in ICUs to 33% in regular units post-transfer (p<0.005).
    • In-service instruction did not improve EPC device proper use.

    Conclusions:

    • Improper use of EPC devices is frequent, particularly on regular nursing units.
    • Device malfunction is often due to sleeves not being applied correctly.
    • Failure of DVT prophylaxis with EPC may stem from improper application rather than device limitations.