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Abstract
Purpose
Our study is to confirm that hemoglobin (Hb) level is significantly reduced before operation in elderly patients with hip fracture and to specify potential amounts of bleeding and Hb decline in different types of fractures.
Methods
A prospective analysis was made on the clinical data of 349 patients with both a diagnosis of hip fracture and an operative delay of greater than 72 hours between April 2014 and February 2016. Hb concentration was measured on a daily basis before the surgery. Patients were grouped according to the type of fracture (intracapsular and extracapsular) for calculation of the total blood loss (TBL). All data analyses were done by SPSS version 21 software.
Results
There was a significant decrease preoperatively in the Hb concentration of nearly 21.55 g/L (standard error of the mean [SEM] 7.67) in patients with extracapsular hip fractures and nearly 15.63 g/L (SEM 6.01) in patients with intracapsular hip fractures. The preoperative TBL in patients with extracapsular fracture was significantly larger compared to that in patients with intracapsular fracture (790.3 mL and 581.7 mL, respectively, P<0.05 using Student’s t-test). We found no significant difference in the preoperative TBL between the male and female groups.
Conclusion
Hip fracture patients have an obvious blood loss after the injury, yet prior to the surgery the Hb levels were found to be normal. Anesthetic and orthopedic staff should pay additional attention to the problem of low preoperative Hb concentration, even if the initial Hb level was apparently normal.
Acknowledgments
This work was supported by the Natural Science Foundation of Shanghai, People’s Republic of China (grant no 14ZR1432600).
Disclosure
The authors report no conflicts of interest in this work.