2015, Number 5
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ABSTRACTTotal hip arthroplasty is a common procedure whose typical duration is greater than 90 minutes and is associated with substantial blood loss. It is usually performed in patients › 60 years who have comorbidities. Knowing the factors associated with major bleeding in patients undergoing this procedure will allow us to identify patients who are at risk. Material and methods: We performed a retrospective study, according to a case-control model selecting patients for the primary outcome: major bleeding/not major bleeding. We included 142 patients treated with total hip arthroplasty, divided into 47 cases and 95 matched controls. Results: The variables that showed a higher association to influence the presence of major bleeding was preoperative hemoglobin and hematocrit, BMI, operating time, as well as the use of blood transfusion increased the time of hospital stay. The preoperative hemoglobin value showed that the type of patient more associated with major bleeding had a hemoglobin › 13 g/dl. We observed that 102 patients (71.8%) who underwent a blood transfusion had an increased length of stay (p 0.007). Conclusion: The presence of major bleeding is a frequent event. When knowing the factors associated with major bleeding, the surgical team can anticipate this event and modify it as possible.
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