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Perioperative Blood Loss in Intramedullary Hip Screw for Intertrochanteric Fracture: Analysis of Risk Factors
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Jai Hyung Park, Hwa Jae Jung, Hun Kyu Shin, Eugene Kim, Se Jin Park, Taeg Su Ko, Jong Hyon Park
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J Korean Fract Soc 2015;28(1):53-58. Published online January 31, 2015
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DOI: https://doi.org/10.12671/jkfs.2015.28.1.53
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 Abstract
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- PURPOSE
We compared visible blood loss and calculated blood loss after intramedullary fixation in intertrochanteric fracture, and evaluated correlation between blood loss and its risk factors.
MATERIALS AND METHODS
A total of 256 patients who underwent closed reduction and intramedullary fixation in femoral intertrochanteric fracture between 2004 and 2013 were enrolled in this study. The total blood loss was calculated using the formula reported by Mercuiali and Brecher. We analyzed several factors, including fracture pattern (according to Evans classification), gender, age, body mass index (BMI), anesthesia method, cardiovascular and cerebrovascular disease, preoperative anemia, American Society of Anesthesiologists (ASA) score and use of antithrombotic agents.
RESULTS
Total calculated blood loss (2,100+/-1,632 ml) differed significantly from visible blood loss (564+/-319 ml). In addition, the blood loss of unstable fracture patient was 2,496+/-1,395 ml and multivariate analysis showed a significant relationship between blood loss and fracture pattern (p<0.01). However, other factors showed no statistically significant difference.
CONCLUSION
Total calculated blood loss was much greater than visible blood loss. Patients with unstable intertrochanteric fracture should be treated with care in order to reduce blood loss.
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