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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_2 | Pages 25 - 25
1 Jan 2014
Ball T Daoud M Jabil E Kincaid R
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Introduction:

Surgeons want to counsel their patients accurately about the risks of rare complications. This is difficult for venous thromboembolism (VTE), as most studies report rates of asymptomatic disease, which may not be clinically relevant. Generic guidelines promote chemoprophylaxis in foot and ankle surgery despite a relative dearth of evidence. We therefore calculated the rate of confirmed, symptomatic deep vein thrombosis and pulmonary embolism, after surgery or trauma to the foot or ankle, in our hospital.

Methods:

In a retrospective cohort design, we scrutinised referrals for venous Doppler ultrasound and computed tomography pulmonary angiography, and found all confirmed deep vein thromboses (DVTs) or pulmonary embolisms (PEs) over an 18 month period from November 2010 to May 2012. These patients were cross-referenced with our orthopaedic database. All adult trauma admissions and fracture clinic attendances were retrieved and divided according to injury. We then identified all adult elective patients using Healthcare Resource Group code data.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_18 | Pages 15 - 15
1 Apr 2013
Daoud M Jabil E Ball T Kincaid R
Full Access

Since NICE issued guidance on preventing venous thromboembolism (VTE), the use of chemoprophylaxis has increased dramatically in trauma and orthopaedics. However, enthusiasm is tempered by a lack of data regarding the true incidence of VTE in everyday practice. We investigated the epidemiology of VTE among ambulatory patients with lower limb injuries within our Trust.

We identified all patients who suffered pulmonary embolism (PE) or deep vein thrombosis (DVT) over an 18 month period, and cross-referenced them with our trauma database. All lower limb injuries were included, whether operated or not. Hip fractures routinely receive dalteparin and were excluded.

There were 11,594 new attendances or post-operative attendances in all fracture clinics over 18 months. Of these, 4530 had lower limb injuries and were immobilised. There were 21 DVTs and 7 PEs in these patients, an incidence of 0.43% and 0.14% respectively. Of note, three DVTs were in patients with Achilles tendon rupture.

The incidence of symptomatic VTE is low in a population of ambulant patients with lower limb injuries in casts, without chemical thromboprophylaxis. Prophylaxis for VTE would thus have a large number needed to treat. The costs and complications of chemoprophylaxis should also be considered before it is introduced universally.