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General Orthopaedics

TROPONIN T IN HIP FRACTURE PATIENTS: PROGNOSTIC SIGNIFICANCE FOR MORTALITY AT ONE YEAR

Combined Services Orthopaedic Society (CSOS) - 32nd Meeting



Abstract

Hip fractures are common injuries in the elderly, with significant mortality and morbidity from several factors. Many of these patients have cardiac disease, and some develop cardiac complications which may increase mortality.

Troponin T is a marker of myocardial injury but can be raised in other conditions. Patients over 60 years old admitted with hip fracture during the study period had their troponin T measured on admission and following surgery. Assay was performed after the patient had completed their treatment. We report the results of this study one year after the last patient was admitted.

108 patients were recruited. The average age was 84 years; 86% were female. This study found that 27% of hip fracture patients had some increase in the troponin T levels in the peri-operative period. This increase was not associated with an increase in early mortality, but there was an increase in one-year mortality for those with an increase in troponin T (45% versus 22%, p=0.03). These findings indicate that the routine measurement of troponin T after a hip fracture is unnecessary.