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Updated: Jun 16, 2026

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis

Published on: February 10, 2023

Multi-screen electronic alerts to augment venous thromboembolism prophylaxis.

K Fiumara¹, C Piovella, S Hurwitz

¹Cardiovascular Division, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA.

Thrombosis and Haemostasis

|February 4, 2010

Summary

This summary is machine-generated.

A new three-screen computer alert system significantly increased venous thromboembolism (VTE) prophylaxis orders for high-risk patients whose physicians initially ignored single alerts. This enhanced system improved prophylaxis rates without increasing VTE events.

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Published on: June 2, 2015

Area of Science:

Medical Informatics
Clinical Medicine
Public Health

Background:

Venous thromboembolism (VTE) prophylaxis is underutilized in high-risk hospitalized patients.
A prior single-screen computer alert system reduced VTE by 41% but was frequently ignored.
Physician non-adherence to electronic alerts necessitates improved strategies for VTE prophylaxis.

Purpose of the Study:

To develop and evaluate a serial three-screen computer alert program to enhance VTE prophylaxis adherence.
To assess the impact of the enhanced alert system on VTE prophylaxis ordering among physicians who initially declined prophylaxis.
To compare symptomatic 90-day VTE rates between single-screen and three-screen alert cohorts.

Main Methods:

A cohort of 880 high-risk patients was studied.
Physicians received either a single-screen alert or a serial three-screen alert if prophylaxis was initially declined.
Prophylaxis order rates and symptomatic 90-day VTE incidence were compared between the groups.

Main Results:

The three-screen alert program generated VTE prophylaxis orders for 58.4% of patients whose physicians initially declined.
Physicians receiving the three-screen alert were more likely to order prophylaxis compared to the single-screen group.
No significant difference in symptomatic 90-day VTE rates was observed between the one-screen (2.8%) and three-screen (2.2%) cohorts (p=0.55).

Conclusions:

A serial three-screen computer alert program effectively increases VTE prophylaxis orders among physicians who initially decline.
The enhanced alert system addresses physician non-adherence to single alerts for VTE prophylaxis.
This strategy improves adherence to VTE prophylaxis guidelines without compromising patient safety regarding VTE events.