Hip Pelvis.  2013 Jun;25(2):110-114. 10.5371/hp.2013.25.2.110.

Perioperative Blood Loss in Bipolar Hemiarthroplasty for Femoral Neck Fracture: Analysis of Risk Factors

• Park JH
• Kim HS
• Yoo JH
• Kim JH
• Sung KH
• Kim JY
• Park SJ
• Lee IH

• KMID: 2054147
• DOI: http://doi.org/10.5371/hp.2013.25.2.110

Abstract

PURPOSE
We compared visible blood loss and calculated blood loss after bipolar hemiarthroplasty in femoral neck fracture, and evaluated correlation between blood loss and its risk factors.
MATERIALS AND METHODS
A total of 356 patients who underwent bipolar hemiarthroplasty in femoral neck fracture between 2004 and 2010 were enrolled in this study. The total blood loss was calculated using the formula reported by Mercuiali and Brecher. We analyzed several factors, including gender, age, body mass index (BMI), anesthesia method, cardiovascular and cerebrovascular disease, preoperative anemia, American Society of Anesthesiologists (ASA) score, use of cement, and use of antithrombotic agents.
RESULTS
Total calculated blood loss(1,408+/-72 ml) differed significantly from visible blood loss(980+/-102 ml). In addition, calculated blood loss differed between risk factors(1,526+/-369 ml in cardiovascular disease, 1,588+/-279 ml in general anesthesia, 1,645+/-920 ml in obesity, and 1,605+/-439 ml in use of antithrombotic agents).
CONCLUSION
Total calculated blood loss was much greater than visible blood loss. Patients with risk factors such as cardiovascular disease, obesity, use of antithrombotic agents, and general anesthesia should be treated with care in order to reduce blood loss.

Keyword

Femoral neck fracture; Bipolar hemiarthroplasty; Blood loss; Risk factors

MeSH Terms

Anemia
Anesthesia
Anesthesia, General
Body Mass Index
Cardiovascular Diseases
Femoral Neck Fractures
Femur Neck
Fibrinolytic Agents
Hemiarthroplasty
Humans
Obesity
Risk Factors
Fibrinolytic Agents

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