Changes in bone mineral density of both proximal femurs after total knee arthroplasty.

Autor:	Kim KK; Department of Orthopedic Surgery, Konyang University College of Medicine, Daejeon, Korea., Won YY; Department of Orthopedic Surgery, Ajou University School of Medicine, Suwon, Korea., Heo YM; Department of Orthopedic Surgery, Konyang University College of Medicine, Daejeon, Korea., Lee DH; Department of Orthopedic Surgery, Konyang University College of Medicine, Daejeon, Korea., Yoon JY; Department of Orthopedic Surgery, Konyang University College of Medicine, Daejeon, Korea., Sung WS; Department of Orthopedic Surgery, Konyang University College of Medicine, Daejeon, Korea.
Jazyk:	angličtina
Zdroj:	Clinics in orthopedic surgery [Clin Orthop Surg] 2014 Mar; Vol. 6 (1), pp. 43-8. Date of Electronic Publication: 2014 Feb 14.
DOI:	10.4055/cios.2014.6.1.43
Abstrakt:	Background: This study investigated the effects of total knee arthroplasty (TKA) on bone mineral density (BMD) of the proximal femur in patients who underwent the procedure. Methods: Forty-eight patients scheduled to undergo unilateral TKA because of primary knee osteoarthritis were included in this study, which was conducted at a medical center between October 2006 and October 2009. In these 48 patients, 96 hips were evaluated. Measurement of BMD was performed preoperatively and one month, three months, six months, and one year after unilateral TKA. Repeated measured analysis of variance and paired t-tests for comparison of two repeated samples were used to compare differences between time points (preoperation, one, three, six, and 12 months) and between the operative and nonoperative sides. Results: Preoperatively, BMD of the femoral neck, trochanter, and total hip on the operative side were lower than on the nonoperative side; however, there was no statistical difference. BMD of both femoral neck areas was significantly lower than preoperative BMD at one month and three months after TKA. BMD of both trochanter areas was significantly lower than preoperative BMD at one month and three months after TKA. BMD of both total hips was significantly lower than preoperative BMD at three months after TKA. However, no statistical differences of changes in BMD were observed between the operative and nonoperative sides at each measurement time. Conclusions: According to our results, TKA was found to affect both proximal femurs during the acute period. However, TKA did not affect a change in BMD of the proximal femur during one year postoperative.
Databáze:	MEDLINE
Externí odkaz:	Zobrazit plný text záznamu