• Sun Ki Kim, Won Yeong Seo, Hee Joong Kim, and Jeong Joon Yoo.
• Department of Orthopedic Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
• Clin Orthop Surg. 2018 Mar 1; 10 (1): 20-25.

BackgroundThis retrospective study was performed to determine whether postoperative intravenous ferric carboxymaltose reduces transfusion amounts without influencing clinical outcomes in patients that have undergone hip surgery.MethodsBetween May 2014 and April 2016, the authors adopted a new perioperative blood management protocol involving the administration of intravenous ferric carboxymaltose after hip surgeries. One-to-one matching between the 150 patients treated during this period with 150 patients treated before initiation of the new protocol was performed by propensity scoring for age, sex, diagnosis, and type of hip surgery. Hematologic results and clinical outcomes in these two groups were compared.ResultsAverage amounts of perioperative blood loss were not different in the two groups. Ninety-two patients (61%) were transfused in the control group and 70 patients (47%) were transfused in the intravenous ferric carboxymaltose group. The average number of transfused blood units was significantly lower in the intravenous ferric carboxymaltose group (1.7 ± 2.7 units vs. 1.0 ± 1.2 units, p = 0.002). At 6 weeks after surgery, the average hemoglobin concentration recovered to baseline in both groups, but the amount of recovered hemoglobin concentration at 6 weeks was significantly greater in the intravenous ferric carboxymaltose group than in the control group. Clinical outcomes including incidences of postsurgical complications were similar between the two groups.ConclusionsThis study suggests that postoperative intravenous ferric carboxymaltose injection is associated with reduced transfusion amounts and that intravenous ferric carboxymaltose does not influence clinical outcomes after hip surgery.

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