Journal List > J Korean Fract Soc > v.28(1) > 1038046

Park, Jung, Shin, Kim, Park, Ko, and Park: Perioperative Blood Loss in Intramedullary Hip Screw for Intertrochanteric Fracture: Analysis of Risk Factors

Abstract

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.

Figures and Tables

Table 1
Characteristics of Studied Patients
jkfs-28-53-i001

Values are presented as number (%). GA: General anesthesia, SA: Spinal anesthesia, Hb: Hemoglobin, ASA: American Society of Anesthesiologists, BMI: Body mass index.

Table 2
Predictor of Total Blood Loss in Patients Who Underwent Intramedullary Fixation for Intertrochanteric Fracture in Student T-test
jkfs-28-53-i002

Values are presented as mean±standard deviation. GA: General anesthesia, SA: Spinal anesthesia, Hb: Hemoglobin, ASA: American Society of Anesthesiologists, BMI: Body mass index.

Table 3
Predictor of Total Blood Loss in Patients Underwent Intramedullary Fixation for Intertrochanteric Fracture in Multivariate Analysis
jkfs-28-53-i003

SE: Standard error, CI: Confidence interval, GA: General anesthesia, SA: Spinal anesthesia, Hb: Hemoglobin, ASA: American Society of Anesthesiologists, BMI: Body mass index.

Notes

Financial support: None.

Conflict of interest: None.

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