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Yang T, Yang B, Wang P, Qin Y, You G, Shi Y, Zhang A, Shen D, Guo L. The Role of Global Femoral Offset in Total Hip Arthroplasty with High Hip Center Technique. Orthop Surg 2023; 15:2373-2382. [PMID: 37519271 PMCID: PMC10475657 DOI: 10.1111/os.13818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/30/2023] [Accepted: 06/10/2023] [Indexed: 08/01/2023] Open
Abstract
OBJECTIVE The high hip center (HHC) technique has been proposed for the treatment of patients with developmental dysplaisa of the hip (DDH) who have an acetabular bone defect. However, the importance of global femoral offset (FO) in the application of this technique has not been sufficiently appreciated. Our goals were to confirm that the HHC technique is feasible in the treatment of patients with DDH and to assess the function of global FO in this procedure. METHODS We retrospectively analyzed 73 patients who underwent total hip arthroplasty using high hip center technique for unilateral DDH at our hospital between January 2014 and June 2019. According to global FO, the patients were split into three groups: increased FO group (increment greater than 5 mm), restored FO group (restoration within 5 mm) and decreased FO group (reduction greater than 5 mm). Patients' medical records and plain radiographs were reviewed. One-way ANOVA was used to compare radiographic outcomes and Harris hip score (HHS). Paired t-test was used to assess preoperative and postoperative HHS and leg length discrepancy. Trochanteric pain syndrome, Trendelenburg sign and postoperative limp was evaluated with Fisher's exact test. RESULTS The average follow-up time was 7.5 ± 1.4 years. The patients' HHS and leg length discrepancy were significantly improved (p < 0.05). In terms of vertical acetabular height, abductor arm, postoperative leg length difference, and acetabular cup inclination, there was no statistically significant difference between the three groups. At the last follow-up, HHS was significantly higher in the restored FO group than in the decreased FO and increased FO groups. Trochanteric pain syndrome occurred in 15.0% and Trendelenburg sign and postoperative limp in 8.2% of all patients, respectively. Trochanteric pain syndrome, Trendelenburg sign and postoperative limp did not differ significantly across the three groups. One patient in increased FO group underwent revision for dislocation 6 years after surgery. CONCLUSION The HHC technique is an alternative technique for total hip arthroplasty in patients with acetabular bone abnormalities, according to the results of the mid-term follow-up. Also, controlling the correction of the global femoral offset to within 5 mm may lead to better clinical outcomes.
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Affiliation(s)
- Tianyu Yang
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Boning Yang
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Penghao Wang
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Yu Qin
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Guanchao You
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Yunyi Shi
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Ao Zhang
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Dianlin Shen
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
| | - Lei Guo
- Department of Orthopedicsthe First Hospital of China Medical UniversityShenyangChina
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Kaynak G, Karaismailoglu B, Ozsahin MK, Gorgun B, Inan M, Erdogan F. High hip center arthroplasty in the treatment of severe hip dysplasia: Are knee and ankle compromised? Clin Biomech (Bristol, Avon) 2022; 91:105542. [PMID: 34861496 DOI: 10.1016/j.clinbiomech.2021.105542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 11/15/2021] [Accepted: 11/23/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND There is limited information about the effect of hip center location on gait parameters of knee and ankle. This study aimed to compare anatomical vs. high hip center arthroplasty according to gait parameters of knee and ankle and investigate whether the high hip center has any adverse effect on these joints or not. METHODS 20 patients who underwent unilateral total hip arthroplasty (Group 1; 10 patients with anatomical reconstruction, Group 2; 10 patients with high hip center) due to Crowe type III-IV developmental dysplasia of the hip and completed 2 years of follow-up were included. The patients were examined by 3-D gait analysis. FINDINGS The maximum extension of the knee on the operated side was lower in Group 2 (p = 0.044). Longitudinal knee joint force was higher in Group 2 on both operated (p = 0.041) and non-operated sides (p = 0.031). Lateral knee joint force was also higher in Group 2 (p = 0.023). No significant difference was detected in ankle parameters. INTERPRETATION Unilateral high hip center has been shown to restrict the dynamic knee range of motion on the operated side and increase the knee load on both sides, thus putting the knees at risk for osteoarthritis. LEVEL OF EVIDENCE Level III, Retrospective comparative study.
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Affiliation(s)
- Gokhan Kaynak
- Istanbul University - Cerrahpasa, Cerrahpasa Medical Faculty, Department of Orthopaedics and Traumatology, Istanbul, Turkey
| | - Bedri Karaismailoglu
- Istanbul University - Cerrahpasa, Cerrahpasa Medical Faculty, Department of Orthopaedics and Traumatology, Istanbul, Turkey.
| | - Mahmut Kursat Ozsahin
- Istanbul University - Cerrahpasa, Cerrahpasa Medical Faculty, Department of Orthopaedics and Traumatology, Istanbul, Turkey
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Shen J, Sun J, Du Y, Zhang B, Li T, Zhou Y. Functional and radiographical results of asymmetrically reconstructed total hip arthroplasty in patients with bilateral dysplastic arthritic hips with one hip Crowe II-III and the other Crowe IV: a retrospective cohort study. J Orthop Traumatol 2021; 22:11. [PMID: 33713181 PMCID: PMC7956060 DOI: 10.1186/s10195-021-00576-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 03/06/2021] [Indexed: 11/24/2022] Open
Abstract
Background The study aimed to evaluate the functional and radiographical results of asymmetrically reconstructed total hip arthroplasty in patients with bilateral dysplastic arthritic hips with one hip Crowe II–III and the other hip Crowe IV. Materials and methods From April 2006 to April 2019, we evaluated 23 patients who had a reconstruction of one Crowe II–III hip with high hip center (HHC) and the other Crowe IV hip at the anatomical position (H group). The radiographic and clinical outcomes were compared with those of a control group of 19 patients with bilateral dysplasia who had one Crowe IV hip and the contralateral hip both reconstructed in the anatomical position (A group). Medical records and radiographs were reviewed, and a complete follow-up was conducted for all patients. Results The mean vertical center of rotation (V-COR) and horizontal center of rotation (H-COR) in the H group were 30.6 ± 5.8 mm and 30.0 ± 5.5 mm, respectively. In the A group, the corresponding values were 14.0 ± 4.3 mm and 23.0 ± 2.3 mm, respectively. A significant difference was found in terms of V-COR and H-COR between the two groups, and no significant difference was shown regarding the cup inclination, abductor lever arm (ALA), ALA ratio, and leg length discrepancy (LLD). Three patients of the H group and four patients of the A group exhibited LLD > 10 mm. All seven patients who had LLD > 10 mm underwent the shortening subtrochanteric osteotomy (SSTO) of the Crowe IV hip. Subgroup analysis based on the presence and absence of SSTO showed that the LLD of the SSTO group was greater than that of the non-SSTO group in both groups, but the difference was only statistically significant in the A group. At the last follow-up, the mean Harris Hip Scores significantly improved in the two groups, and there was no revision during the follow-up period. In the H group, four patients presented with a slight limp and three patients with a moderate limp, while it was six patients and one patient in the A group, respectively. Conclusions Asymmetrical reconstruction in patients with bilateral dysplastic arthritic hips with one hip Crowe II–III and the other Crowe IV is acceptable and comparable when compared with bilateral anatomical reconstruction. Level of evidence III, retrospective observational study. Trial registration Chinese Clinical Trail Registry. ChiCTR2000033848
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Affiliation(s)
- Junmin Shen
- Medical School of Chinese People's Liberation Army, Beijing, 100853, China.,Department of Orthopedics, The First Medical Centre, Chinese People's Liberation Army General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Jingyang Sun
- Medical School of Chinese People's Liberation Army, Beijing, 100853, China.,Department of Orthopedics, The First Medical Centre, Chinese People's Liberation Army General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Yinqiao Du
- Medical School of Chinese People's Liberation Army, Beijing, 100853, China.,Department of Orthopedics, The First Medical Centre, Chinese People's Liberation Army General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Bohan Zhang
- Medical School of Chinese People's Liberation Army, Beijing, 100853, China.,Department of Orthopedics, The First Medical Centre, Chinese People's Liberation Army General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Tiejian Li
- Medical School of Chinese People's Liberation Army, Beijing, 100853, China.,Department of Orthopedics, The First Medical Centre, Chinese People's Liberation Army General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Yonggang Zhou
- Medical School of Chinese People's Liberation Army, Beijing, 100853, China. .,Department of Orthopedics, The First Medical Centre, Chinese People's Liberation Army General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
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