Publication: Warfarin-associated delayed orbital hemorrhage after orbital fracture repair with smooth nylon foil implant
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2019-11-02
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17445108
01676830
01676830
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2-s2.0-85071378796
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Mahidol University
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SCOPUS
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Orbit (London). Vol.38, No.6 (2019), 519-523
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Pimkwan Jaru-Ampornpan, Shannon S. Joseph, Ana B.Diniz Grisolia, Cesar A. Briceno Warfarin-associated delayed orbital hemorrhage after orbital fracture repair with smooth nylon foil implant. Orbit (London). Vol.38, No.6 (2019), 519-523. doi:10.1080/01676830.2019.1639771 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/51319
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Warfarin-associated delayed orbital hemorrhage after orbital fracture repair with smooth nylon foil implant
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© 2019, © 2019 Taylor & Francis Group, LLC. The authors describe the first report in the literature of delayed orbital hemorrhage that may be partly caused by supratherapeutic anticoagulation. A 52-year-old man with supratherapeutic international normalized ratio (INR) presented with acute proptosis, orbital pain and diplopia 9 months after the floor and medial orbital wall fracture repair using nylon foil implant. He was found to have hemorrhaged into the capsule surrounding the orbital implant. Three weeks later, the patient underwent implant removal after warfarin was discontinued for 5 days and INR was normalized. His symptoms resolved postoperatively. This case describes a unique risk factor of delayed orbital hemorrhage in patients with previous orbital fracture repair, and highlights that coagulopathy should be investigated in patients presenting with acute proptosis with a history of orbital fracture repair. The authors also provide a comprehensive and up-to-date literature review on previously reported cases with delayed hemorrhagic complications from alloplastic orbital implants.