Risk factors related to prognosis following hip fracture surgery in the aged patients

Abstract

ObjectiveTo analyze risk factors affecting the prognosis following hip fracture surgery in the aged patients.MethodsThe present study included 127 old patients (≥ 75 years) who had received hip fracture surgery from January 2006 to January 2008 in our department. Their clinical data were analyzed to define risk factors related to one-year mortality and one-year recovery of self-care ability.ResultsFactors significantly affecting the one-year mortality included age, gender, fracture type, heart disease, pulmonary disease, number of preoperative complications, general health before injury, pre-fracture self-care ability,cognitive impairment, postoperative lung and heart complications, and number of postoperative complications.Factors affecting the one-year recovery of self-care ability included age, gender, fracture type, general health before injury, pre-fracture self-care ability, timing of surgery, heart disease, and type of fixation. A multivariate Logistic regression analysis revealed that the independent risk factors affecting the one-year mortality included general health before injury ( OR =11. 258, P =0. 034), pulmonary disease ( OR =20. 001, P =0. 000), and number of postoperative complications (OR =38. 143, P =0. 007) . The independent risk factors affecting the one-year functional recovery were pre-fracture self-care ability(OR =7. 090, P =0. 001 ), general health before injury ( OR =4. 550, P =0. 028), and timing of surgery ( OR =6. 428, P =0. 003) .ConclusionsThe risk factors affecting outcomes of hip fracture surgery in the aged patients included general health before injury, pre-fracture self-care ability, postoperative pulmonary complication,number of postoperative complications, and timing of surgery. As a result, improvement of general health condition and self-care ability before surgery and prevention of postoperative complications can reduce the one-year mortality and facilitate functional recovery after surgery. Key words: Hip fractures; Surgical procedures, operative; Risk factors; Aged