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. 2017 Sep 28;4(2):e000653.
doi: 10.1136/openhrt-2017-000653. eCollection 2017.

Significant reduction in hospital-acquired thrombosis: impact of national risk assessment and real-time feedback

Huw Raymond Rowswell  1 , Timothy J C Nokes  1
Affiliations

Significant reduction in hospital-acquired thrombosis: impact of national risk assessment and real-time feedback

Huw Raymond Rowswell et al. Open Heart. .

Abstract

Objective: Since 2010, National Health Service hospitals in England have been incentivised to risk assess for Venous Thromboembolism (VTE) in all adult patients admitted, using a national tool. We studied the impact of this, together with local real-time reporting of VTE events to senior clinicians, on cases of hospital-acquired thrombosis (HAT) diagnosed, since 2010.

Methods: This was an observational cohort study reviewing all cases of VTE diagnosed between January 2010 and December 2016 in a single teaching hospital. These were matched against the number of patients admitted to produce crude incidence rates per thousand admissions. Similarly, all cases associated with inadequate thromboprophylaxis (TP) measures were documented over the same period.

Results: By the end of 2010, with 70% compliance with VTE risk assessment, improving to 90% (the national target) early in 2011, there were 217 HAT events from 103 845 admissions. In 2016, there were 176 HAT events from 119 128 admissions, being a significant reduction, relative risk (RR) 0.718 (95% CI 0.589 to 0.875; p=0.001). In 2010, there were 50 of 217 HAT events associated with inadequate TP, falling to 7 of 176 in 2016, also a significant reduction, RR 0.140 (95% CI 0.065 to 0.300; p=0.0001).

Conclusions: National guidance on VTE prevention and mandatory risk assessment linked to local real-time reporting of VTE events are associated with significant reductions both in total HAT events and those associated with inadequate TP.

Keywords: deep vein thrombosis; epidemiology; venous thromboembol.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
CIRs for HAT 2010–2016. CIR, crude incidence rate; HAT, hospital-acquired thrombosis.
See this image and copyright information in PMC

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