Antithrombotic prophylaxis for surgery-associated venous thromboembolism risk in patients with inherited platelet disorders. The SPATA-DVT Study

F. Paciullo, L. Bury, P. Noris, E. Falcinelli, F. Melazzini, S. Orsini, C. Zaninetti, R. Abdul-Kadir, D. Obeng-Tuudah, P.G. Heller, A.C. Glembotsky, F. Fabris, J. Rivera, M.L. Lozano, N. Butta, R. Favier, A.R. Cid, M. Fouassier, G.M. Podda, C. SantoroE. Grandone, Y. Henskens, P. Nurden, B. Zieger, A. Cuker, K. Devreese, A. Tosetto, E. De Candia, A. Dupuis, K. Miyazaki, M. Othman, P. Gresele

Research output: Contribution to journalArticlepeer-review

Abstract

Major surgery is associated with an increased risk of venous thromboembolism (VTE), thus the application of mechanical or pharmacologic prophylaxis is recommended. The incidence of VTE in patients with inherited platelet disorders (IPD) undergoing surgical procedures is unknown and no information on the current use and safety of thromboprophylaxis, particularly of low-molecular-weight-heparin in these patients is available. Here we explored the approach to thromboprophylaxis and thrombotic outcomes in IPD patients undergoing surgery at VTE-risk participating in the multicenter SPATA study. We evaluated 210 surgical procedures carried out in 155 patients with well-defined forms of IPD (VTE-risk: 31% high, 28.6% intermediate, 25.2% low, 15.2% very low). The use of thromboprophylaxis was low (23.3% of procedures), with higher prevalence in orthopedic and gynecological surgeries, and was related to VTE-risk. The most frequently employed thromboprophylaxis was mechanical and appeared to be effective, as no patients developed thrombosis, including patients belonging to the highest VTE-risk classes. Low-molecular-weight-heparin use was low (10.5%) and it did not influence the incidence of post-surgical bleeding or of antihemorrhagic prohemostatic interventions use. Two thromboembolic events were registered, both occurring after high VTE-risk procedures in patients who did not receive thromboprophylaxis (4.7%). Our findings suggest that VTE incidence is low in patients with IPD undergoing surgery at VTE-risk and that it is predicted by the Caprini score. Mechanical thromboprophylaxis may be of benefit in patients with IPD undergoing invasive procedures at VTE-risk and low-molecular-weight-heparin should be considered for major surgery.

Original languageEnglish
Pages (from-to)1948-1956
Number of pages9
JournalHaematologica
Volume105
Issue number7
DOIs
Publication statusPublished - Jul 1 2020

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