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Yun HH, Lee WS, Park J, Choi YS. Change of joint line convergence angle and other coronal alignments after total hip arthroplasty. Orthop Traumatol Surg Res 2024; 110:103871. [PMID: 38527689 DOI: 10.1016/j.otsr.2024.103871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 03/01/2024] [Accepted: 03/21/2024] [Indexed: 03/27/2024]
Abstract
BACKGROUND The purpose of this study was to determine the unloading effect of total hip arthroplasty (THA) on the ipsilateral knee joint through the joint line convergence angle (JLCA) change and determine the changes in other coronal radiographic parameters after THA, and evaluate the sensitivity of JLCA. PATIENTS AND METHODS We retrospectively assessed 70 patients who underwent unilateral THA. Hip parameters such as neck shaft angle (NSA), neck length, and femoral offset and coronal alignment parameters of the lower extremity such as hip-knee-ankle angle (HKA), femur length, mechanical lateral distal femoral angle (mLDFA), JLCA, medial proximal tibial angle (MPTA), lateral distal tibial angle (LDTA), and plafond talus angle (PTA) were measured in the operative and non-operative sides. We compared all hip and coronal alignment parameters between before and 1 year after THA, and the amount of standardized changes (Δ) between all hip and coronal alignment parameters on the operative side, respectively. RESULTS All mean hip and coronal alignment parameters on the operative side changed significantly 1-year after THA; however, those on the non-operative side did not. On the operative side, mean JLCA and PTA changed in the direction of closing the joint lateral space, from 1.81° and 0.47° to 1.22° and 0.11°, respectively (p<0.001 and 0.046, respectively). Mean NSA, HKA, and mLDFA changed in the valgus direction, from 129.39°, 2.62°, and 86.69° to 133.54°, 1.53°, and 85.91°, respectively (p<0.001). Mean femoral offset, neck length, and femur length increased from 36.45mm, 47.83mm, and 429.20mm to 39.85mm, 55.06mm, and 436.33mm, respectively (p<0.001). Mean MPTA and LDTA increased from 85.43° and 87.50° to 86.73° and 90.38, respectively (p<0.001). JLCA was more vulnerable to change than HKA, femur length, mLDFA, MPTA, and PTA (p<0.05). DISCUSSION JLCA change on the operative side was more sensitive than changes of other coronal alignments after THA. According to the cohort, THA might have an unloading effect on the medial compartment of the knee joint. LEVEL OF EVIDENCE IV; retrospective case-control and cohort studies.
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Affiliation(s)
- Ho Hyun Yun
- Department of Orthopaedic Surgery, Veterans Health Service Medical Center, Seoul, South Korea
| | - Woo-Seung Lee
- Department of Orthopaedic Surgery, Veterans Health Service Medical Center, Seoul, South Korea
| | - Junwoo Park
- Department of Orthopaedic Surgery, Veterans Health Service Medical Center, Seoul, South Korea
| | - Yun Seong Choi
- Department of Orthopaedic Surgery, Veterans Health Service Medical Center, Seoul, South Korea.
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Thöne P, Gruber MS, Kindermann H, Gussner W, Sadoghi P, Ortmaier R. Stem Design in Total Hip Arthroplasty Influences Ipsilateral Knee Valgus: A Retrospective Comparative Analysis of 2953 Cases. J Clin Med 2023; 12:6662. [PMID: 37892800 PMCID: PMC10607773 DOI: 10.3390/jcm12206662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/13/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND Total hip arthroplasty (THA) affects the biomechanics of the hip and the patient gait. The stem design influences femoral lever ratios and tissue trauma. Biomechanical changes such as these have the potential to induce knee arthritis. A varus or valgus configuration of knee arthritis is formed by asymmetric loadings. The aim of this study was to evaluate the impact of stem design in THA on knee valgus by comparing a standard implant with an implant with a short stem. METHODS A total of 2953 patients who underwent primary total knee arthroplasty for end-stage osteoarthritis between 2015 and 2021 were included in this retrospective data analysis. Patients were divided into three groups, depending on hip status (straight stem, short stem, and native joint). Leg alignment was distinguished as varus or valgus, and the degree of axial deviation was measured. Descriptive and explorative statistical analyses were performed, with a p value < 0.05 set as significant. RESULTS Ipsilateral knee valgus occurred significantly more often in patients with straight stems (57.2%) than in those with short stems (29%) and native joints (25.8%) (p < 0.001). Additionally, mean valgus deviation was significantly increased in patients with straight stems (8.9°) compared to those with short stems (6.4°) or native hip joints (6.7°). Both findings were accentuated in women. CONCLUSIONS Previous ipsilateral straight-stem THA is associated with knee valgus deformity, especially in women. Short-stem THA seems to be better suited to restoring physiological biomechanics and preventing the development of valgus osteoarthritis of the ipsilateral knee.
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Affiliation(s)
- Paul Thöne
- Medical Faculty, Johannes Kepler University Linz, 4020 Linz, Austria
- Department of Orthopedic Surgery, Ordensklinikum Linz Barmherzige Schwestern, Vinzenzgruppe Center of Orthopedic Excellence, Teaching Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria
| | - Michael Stephan Gruber
- Department of Orthopedic Surgery, Ordensklinikum Linz Barmherzige Schwestern, Vinzenzgruppe Center of Orthopedic Excellence, Teaching Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria
| | - Harald Kindermann
- Department of Marketing and Electronic Business, University of Applied Sciences Upper Austria, 4400 Steyr, Austria;
| | - Walter Gussner
- Department of Orthopedic Surgery, Ordensklinikum Linz Barmherzige Schwestern, Vinzenzgruppe Center of Orthopedic Excellence, Teaching Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria
| | - Patrick Sadoghi
- Department of Orthopedics and Trauma, Medical University of Graz, Austria Auenbruggerplatz 5, 8036 Graz, Austria
| | - Reinhold Ortmaier
- Department of Orthopedic Surgery, Ordensklinikum Linz Barmherzige Schwestern, Vinzenzgruppe Center of Orthopedic Excellence, Teaching Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria
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Choi YS, Park JW, Kim TW, Kang KS, Lee YK, Koo KH, Chang CB. Effect of Total Hip Arthroplasty on Ipsilateral Lower Limb Alignment and Knee Joint Space Width: Minimum 5-Year Follow-up. J Korean Med Sci 2023; 38:e148. [PMID: 37218351 DOI: 10.3346/jkms.2023.38.e148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/12/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND This study aimed to 1) assess the effect of total hip arthroplasty (THA) on coronal limb alignment, namely, the hip-knee-ankle angle (HKA), 2) identify factors that determine changes in the HKA, and 3) determine whether alignment changes influence the knee joint space width. METHODS We retrospectively evaluated 266 limbs of patients who underwent THA. Three types of prostheses with neck shaft angles (NSAs) of 132°, 135°, and 138° were used. Several radiographic parameters were measured in the preoperative and final radiographs (at least 5 years after THA). A paired t-test was used to confirm the effect of THA on HKA change. Multiple regression analysis was performed to identify radiographic parameters related to HKA changes following THA and changes in knee joint space width. Subgroup analyses were performed to reveal the effect of NSA change on the HKA change, and the proportion of total knee arthroplasty usage and changes in radiographic parameters between maintained joint space and narrowed joint space groups were compared. RESULTS The preoperative mean HKA was 1.4° varus and increased to 2.7° varus after THA. This change was related to changes in the NSA, lateral distal femoral angle, and femoral bowing angle. In particular, in the group with a decrease in NSA of > 5°, the preoperative mean HKA was largely changed from 1.4° varus to 4.6° varus after THA. The prostheses with NSA of 132° and 135° also led to greater varus HKA changes than those with an NSA of 138°. Narrowing of the medial knee joint space was related to changes in the varus direction of the HKA, decrease in NSA, increase in femoral offset. CONCLUSION A large reduction in NSA can lead to considerable varus limb alignment after THA, which can have adverse effects on the medial compartment of the ipsilateral knee.
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Affiliation(s)
- Yun Seong Choi
- Department of Orthopaedic Surgery, Veterans Health Service Medical Center, Seoul, Korea
| | - Jung-Wee Park
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Tae Woo Kim
- Department of Orthopedic Surgery, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Kee Soo Kang
- Department of Orthopedic Surgery, Seoul National University Hospital, Seoul, Korea
| | - Young-Kyun Lee
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Kyung-Hoi Koo
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
- Kay Joint Center, Cheil Orthopaedic Hospital, Seoul, Korea
| | - Chong Bum Chang
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, Korea.
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Alves SA, Preuße M, Hommel H, Duda GN, Agres AN. The Recovery of Weight-Bearing Symmetry After Total Hip Arthroplasty Is Activity-Dependent. Front Bioeng Biotechnol 2022; 10:813345. [PMID: 35284427 PMCID: PMC8907721 DOI: 10.3389/fbioe.2022.813345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/28/2022] [Indexed: 11/26/2022] Open
Abstract
This study aimed to characterize ipsilateral loading and return to weight-bearing symmetry (WBS) in patients undergoing total hip arthroplasty (THA) during activities of daily living (ADLs) using instrumented insoles. A prospective study in 25 THA patients was performed, which included controlled pre- and postoperative follow-ups in a single rehabilitation center of an orthopedic department. Ipsilateral loading and WBS of ADLs were measured with insoles in THA patients and in a healthy control group of 25 participants. Measurements in the THA group were performed at 4 different visits: a week pre-THA, within a week post-THA, 3–6 weeks post-THA, and 6–12 weeks post-THA, whereas the healthy control group was measured once. ADLs included standing comfortably, standing evenly, walking, and sit-to-stand-to-sit (StS) transitions. All ADLs were analyzed using discrete methods, and walking included a time-scale analysis to provide temporal insights in the ipsilateral loading and WBS waveforms. THA patients only improved beyond their pre-surgery levels while standing comfortably (ipsilateral loading and WBS, p < 0.05) and during StS transitions (WBS, p < 0.05). Nevertheless, patients improved upon their ipsilateral loading and WBS deficits observed within a week post-surgery across all investigated ADLs. Ipsilateral loading and WBS of THA patients were comparable to healthy participants at 6–12 weeks post-THA, except for ipsilateral loading during walking (p < 0.05) at the initial and terminal double-leg support period of the stance phase. Taken together, insole measurements allow for the quantification of ipsilateral loading and WBS deficits during ADLs, identifying differences between pre- and postoperative periods, and differentiating THA patients from healthy participants. However, post-THA measurements that lack pre-surgery assessments may not be sensitive to identifying patient-specific improvements in ipsilateral loading and WBS. Moreover, StS transitions and earlier follow-up time points should be considered an important clinical metric of biomechanical recovery after THA.
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Affiliation(s)
- Sónia A. Alves
- Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
- *Correspondence: Sónia A. Alves,
| | - Marco Preuße
- Klinik für Orthopädie und Traumatologie, Krankenhaus Märkisch-Oderland, Wriezen, Germany
| | - Hagen Hommel
- Klinik für Orthopädie und Traumatologie, Krankenhaus Märkisch-Oderland, Wriezen, Germany
| | - Georg N. Duda
- Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
| | - Alison N. Agres
- Berlin Institute of Health at Charité—Universitätsmedizin Berlin, Julius Wolff Institute, Berlin, Germany
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van Drongelen S, Braun S, Stief F, Meurer A. Comparison of Gait Symmetry and Joint Moments in Unilateral and Bilateral Hip Osteoarthritis Patients and Healthy Controls. Front Bioeng Biotechnol 2021; 9:756460. [PMID: 34805115 PMCID: PMC8599579 DOI: 10.3389/fbioe.2021.756460] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 10/21/2021] [Indexed: 11/13/2022] Open
Abstract
Patients with unilateral hip osteoarthritis show a characteristic gait pattern in which they unload the affected leg and overload the unaffected leg. Information on the gait characteristics of patients with bilateral hip osteoarthritis is very limited. The main purposes of this study were to investigate whether the gait pattern of both legs of patients with bilateral hip osteoarthritis deviates from healthy controls and whether bilateral hip osteoarthritis patients show a more symmetrical joint load compared to unilateral hip osteoarthritis patients. In this prospective study, 26 patients with bilateral hip osteoarthritis, 26 patients with unilateral hip osteoarthritis and 26 healthy controls were included. The three groups were matched for gender, age and walking speed. Patients were scheduled for a unilateral total hip arthroplasty on the more affected/more painful side. All participants underwent a three-dimensional gait analysis. Gait kinematics and gait kinetics of patients and controls were compared using Statistical Parametric Mapping. Corrected for speed, the gait kinematics and kinetics of both legs of patients with bilateral hip osteoarthritis differed from healthy controls. Bilateral patients had symmetrical knee joint loading, in contrast to the asymmetrical knee joint loading in unilateral hip osteoarthritis patients. The ipsilateral leg of the bilateral patients could be included in studies in addition to unilateral hip osteoarthritis patients as no differences were found. Although patients with bilateral hip osteoarthritis show more symmetrical frontal plane knee joint moments, a pathological external knee adduction moment in the second half of stance was present in the ipsilateral leg in patients with unilateral and bilateral hip osteoarthritis. The lateral adjustment of the knee adduction moment may initiate or accelerate progression of degenerative changes in the lateral compartment of the knee.
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Affiliation(s)
- S van Drongelen
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - S Braun
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - F Stief
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - A Meurer
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
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Abdullah AH, Todo M. Prediction of Bone Mineral Density (BMD) Adaptation in Pelvis-Femur Model with Hip Arthroplasties. J Funct Biomater 2021; 12:jfb12030049. [PMID: 34564198 PMCID: PMC8482249 DOI: 10.3390/jfb12030049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/27/2021] [Accepted: 08/29/2021] [Indexed: 11/20/2022] Open
Abstract
The prediction of bone remodeling behaviour is a challenging factor in encouraging the long-term stability of hip arthroplasties. The presence of femoral components modifies the biomechanical environment of the bone and alters the bone growth process. Issues of bone loss and gait instability on both limbs are associated with the remodeling process. In this study, finite element analysis with an adaptive bone remodeling algorithm was used to predict the changes in bone mineral density following total hip and resurfacing hip arthroplasty. A three-dimensional model of the pelvis–femur was constructed from computed tomography (CT-based) images of a 79-year-old female patient with hip osteoarthritis. The prosthesis stem of the total hip arthroplasty was modelled with a titanium alloy material, while the femoral head had alumina properties. Meanwhile, resurfacing of the hip implant was completed with a cobalt-chromium material. Contact between the components and bone was designed to be perfectly bonded at the interface. Results indicate that the bone mineral density was modified over five years on all models, including hip osteoarthritis. The changes of BMD were predicted as being high between year zero and year one, especially in the proximal region. Changes were observed to be minimal in the following years. The bone remodeling process was also predicted for the non-operated femur. However, the adaptation was lower compared to the operated limbs. The reduction in bone mineral density suggested the bone loss phenomenon after a few years.
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Affiliation(s)
- Abdul Halim Abdullah
- School of Mechanical Engineering, College of Engineering, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia
- Correspondence:
| | - Mitsugu Todo
- Research Institute for Applied Mechanics, Kyushu University, 6-1 Kasuga-koen, Kasuga 816-8580, Japan;
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Liu Z, Zeng WN, Luo Z, Zhao E, Li H, Zhou Z. Mid-long-term results of total knee arthroplasty followed by ipsilateral total hip arthroplasty versus total hip arthroplasty subsequent to ipsilateral total knee arthroplasty: a case-control analysis. BMC Musculoskelet Disord 2021; 22:581. [PMID: 34167505 PMCID: PMC8223306 DOI: 10.1186/s12891-021-04455-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 04/16/2021] [Indexed: 02/08/2023] Open
Abstract
Background The aim of the present study was to compare the outcomes of patients who underwent different sequences of ipsilateral total hip arthroplasty (THA) and total knee arthroplasty (TKA). Methods We retrospectively identified 47 patients who underwent TKA followed by ipsilateral THA (THA-TKA) and 36 patients who received THA subsequent to ipsilateral TKA (TKA-THA) for rheumatoid arthritis or osteoarthritis between January 2008 and April 2014. Twenty-eight patients were selected for each group after case-control matching with preoperative demographics and protheses of THA. Clinical scores, radiographic results, complication rates, and survivorship were compared. The median duration of follow-up was 110 (range 80–149) months. Results Both groups showed significant improvement in Harris Hip Scores, Knee Society Score, and Short Form-12 at the last follow-up compared to baseline (p < .001). At the last follow-up, all clinical scores were actually lower in the THA-TKA group, but those differences were not statistically significant. Otherwise, there was no significant difference in radiological alignment or complication rates. The survivorship of THA and TKA in the THA-TKA group was 94.7 and 95.7%, respectively, compared with 92.4 and 100.0% in the TKA-THA group at 8 years (log rank, p = .939 and .187). Conclusions Patients who underwent ipsilateral THA and TKA with different sequences achieved similar favorable outcomes. Total joint arthroplasty can be performed safely with excellent outcomes in patients with a history of prior ipsilateral THA or TKA. Trial registration The trial was registered in the Chinese Clinical Trial Registry (ChiCTR2000035147) dated 2 August 2020.
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Affiliation(s)
- Zunhan Liu
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, #37 Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Wei-Nan Zeng
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, #37 Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Zhenyu Luo
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, #37 Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Enze Zhao
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, #37 Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Hao Li
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, #37 Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China
| | - Zongke Zhou
- Department of Orthopedic Surgery, West China Hospital, West China Medical School, Sichuan University, #37 Guoxue Road, Chengdu, Sichuan Province, 610041, People's Republic of China.
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Sato R, Ando W, Hamada H, Takao M, Saito M, Sugano N. Differences in knee joint degeneration between primary hip osteoarthritis and hip osteoarthritis secondary to hip developmental dysplasia: A propensity score-based analysis. Mod Rheumatol 2021; 31:1221-1227. [PMID: 33538625 DOI: 10.1080/14397595.2021.1883261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES This study aimed to investigate differences in lower limb alignment and the prevalence of knee osteoarthritis (OA) among patients with primary hip osteoarthritis (PHOA) versus those with hip osteoarthritis secondary to developmental dysplasia of the hip (DDH-OA). METHODS We compared 83 patients who underwent primary total hip arthroplasty for unilateral PHOA or DDH-OA after performing propensity score matching. The prevalence of knee OA and lower limb alignment were evaluated on preoperative plain radiographs. RESULTS The prevalence of knee OA on the ipsilateral side was significantly higher in the PHOA group than in the DDH-OA group (p =.019), whereas there was no difference between the groups on the contralateral side (p = .631). Lower-limb alignment was more valgus on the ipsilateral side in the DDH-OA group than the PHOA group, whereas it was not significantly different on the contralateral side between groups. CONCLUSION The prevalence of knee OA and lower-limb malalignment on the ipsilateral side of hip OA were different for PHOA and DDH-OA patients. Shifting the mechanical axis of lower limbs might be associated with the prevalence of knee OA and lower limb malalignment in the presence of unilateral hip OA.
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Affiliation(s)
- Ryuichi Sato
- Department of Orthopaedic Medical Engineering, Osaka University Graduate School of Medicine, Osaka, Japan.,Department of Orthopaedic Surgery, The Jikei University School of Medicine, Tokyo, Japan
| | - Wataru Ando
- Department of Orthopaedic Medical Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Hidetoshi Hamada
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Masaki Takao
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Mitsuru Saito
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, Tokyo, Japan
| | - Nobuhiko Sugano
- Department of Orthopaedic Medical Engineering, Osaka University Graduate School of Medicine, Osaka, Japan
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Akasaki Y, Kitade K, Motomura G, Hamai S, Ikemura S, Fujii M, Kawahara S, Nakashima Y. Morphological changes affecting ipsilateral and contralateral leg alignment after total hip arthroplasty. J Orthop 2020; 23:73-77. [PMID: 33442222 DOI: 10.1016/j.jor.2020.12.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 12/23/2020] [Indexed: 11/29/2022] Open
Abstract
Background It is still unclear whether morphological changes in hip disorders is a pathogenic or independent factor for the variations in leg alignment. The purpose of this study was to elucidate the characteristics of the change in leg alignment after total hip arthroplasty (THA) and the morphological factors affecting the ipsilateral and contralateral leg alignment. Methods Both pre-operative and post-operative bilateral whole-leg radiographs in the standing position were taken in 100 patients who underwent THA. Hip-knee-ankle angle (HKAA), joint line convergence angle (JLCA), height of the hip center, lateral width to the hip center, femoral offset, and leg length discrepancy were measured. After the pre-operative legs were divided into the varus, neutral, or valgus groups, correlations between the change in HKAA and each hip morphological parameter were assessed. Results The mean change in HKAA on the THA side was 0.8° in the varus direction, which was significantly correlated with JLCA change. On the leg ipsilateral to THA, if the pre-operative alignment was valgus, the medial shift of the hip center was significantly correlated with the varus change in HKAA. On the side contralateral to THA, the change in leg length discrepancy was a significant correlative factor to the varus change in HKAA, if the pre-operative alignment was valgus or neutral. Conclusion The significant morphological parameters affecting the ipsilateral and contralateral leg alignment after THA were medial shifting of the hip center and the change in leg length discrepancy, respectively. Level of evidence Level Ⅳ, Retrospective cohort study.
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Affiliation(s)
- Yukio Akasaki
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kazuki Kitade
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Goro Motomura
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Satoshi Hamai
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Satoshi Ikemura
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Masanori Fujii
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Shinya Kawahara
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yasuharu Nakashima
- Department of Orthopaedic Surgery, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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Schroeder C, Zavala L, Opstedal L, Becker J. Recovery of Lower Extremity Function in the Initial Year Following Periacetabular Osteotomy: A Single Subject Analysis. Physiother Theory Pract 2020; 38:1233-1244. [PMID: 33094678 DOI: 10.1080/09593985.2020.1833388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Little is known regarding how lower extremity joint function recovers in the 6 months following periacetabular osteotomy (PAO) for activities other than walking. PURPOSE Assess patient-reported outcomes, hip strength, lower extremity joint moments, and moment distributions during sit-to-stand in a female athlete during the one-year period following PAO. METHODS Patient-reported outcomes (i.e. hip and groin outcome score; HAGOS), hip strength, and lower extremity joint moments and contributions to peak support moment during the sit-to-stand were assessed pre-operatively and at 6 weeks, 12 weeks, 6 months, and 13 months following PAO. RESULTS HAGOS scores returned to normative ranges, however overall quality of life scores remained low. By 13-month muscle strength recovered to baseline values. Following surgery, peak support and hip extensor moments were higher on the non-surgical limb, but the contributions of hip, knee, and ankle to peak support moment did not change. On the surgical limb, while peak support moments were lower, the hip contributed less, and the knee contributed more. These asymmetric loading patterns gradually normalized over 1 yea-. CONCLUSIONS Asymmetric loading following PAO should be considered when developing rehabilitation plans following this surgery.
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Affiliation(s)
- Cailyn Schroeder
- Department of Health and Human Development, Montana State University, Bozeman, MT, USA
| | - Linnea Zavala
- Department of Health and Human Development, Montana State University, Bozeman, MT, USA
| | | | - James Becker
- Department of Health and Human Development, Montana State University, Bozeman, MT, USA
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van Drongelen S, Wesseling M, Holder J, Meurer A, Stief F. Knee Load Distribution in Hip Osteoarthritis Patients After Total Hip Replacement. Front Bioeng Biotechnol 2020; 8:578030. [PMID: 33072728 PMCID: PMC7534409 DOI: 10.3389/fbioe.2020.578030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/28/2020] [Indexed: 11/22/2022] Open
Abstract
Reduced external knee adduction moments in the second half of stance after total hip replacement have been reported in hip osteoarthritis patients. This reduction is thought to shift the load from the medial to the lateral knee compartment and as such increase the risk for knee osteoarthritis. The knee adduction moment is a surrogate for the load distribution between the medial and lateral compartments of the knee and not a valid measure for the tibiofemoral contact forces which are the result of externally applied forces and muscle forces. The purpose of this study was to investigate whether the distribution of the tibiofemoral contact forces over the knee compartments in unilateral hip osteoarthritis patients 1 year after receiving a primary total hip replacement differs from healthy controls. Musculoskeletal modeling on gait was performed in OpenSim using the detailed knee model of Lerner et al. (2015) for 19 patients as well as for 15 healthy controls of similar age. Knee adduction moments were calculated by the inverse dynamics analysis, medial and lateral tibiofemoral contact forces with the joint reaction force analysis. Moments and contact forces of patients and controls were compared using Statistical Parametric Mapping two-sample t-tests. Knee adduction moments and medial tibiofemoral contact forces of both the ipsi- and contralateral leg were not significantly different compared to healthy controls. The contralateral leg showed 14% higher medial tibiofemoral contact forces compared to the ipsilateral (operated) leg during the second half of stance. During the first half of stance, the lateral tibiofemoral contact force of the contralateral leg was 39% lower and the ratio 32% lower compared to healthy controls. In contrast, during the second half of stance the forces were significantly higher (39 and 26%, respectively) compared to healthy controls. The higher ratio indicates a changed distribution whereas the increased lateral tibiofemoral contact forces indicate a higher lateral knee joint loading in the contralateral leg in OA patients after total hip replacement (THR). Musculoskeletal modeling using a detailed knee model can be useful to detect differences in the load distribution between the medial and lateral knee compartment which cannot be verified with the knee adduction moment.
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Affiliation(s)
- Stefan van Drongelen
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Orthopaedic University Hospital Friedrichsheim gGmbH, Frankfurt, Germany
| | - Mariska Wesseling
- Human Movement Biomechanics Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Jana Holder
- Orthopaedic University Hospital Friedrichsheim gGmbH, Frankfurt, Germany
| | - Andrea Meurer
- Orthopaedic University Hospital Friedrichsheim gGmbH, Frankfurt, Germany
| | - Felix Stief
- Orthopaedic University Hospital Friedrichsheim gGmbH, Frankfurt, Germany
- Goethe University Frankfurt, Frankfurt, Germany
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Asensio-Pascual A, Lizaur-Utrilla A, Vizcaya-Moreno MF, Miralles-Muñoz FA, Lopez-Prats FA. Prior unilateral total hip arthroplasty does not influence the outcome of ipsilateral total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc 2020; 28:1452-1457. [PMID: 31115608 DOI: 10.1007/s00167-019-05537-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 05/07/2019] [Indexed: 12/24/2022]
Abstract
PURPOSE To assess the influence of a prior well-functioning unilateral primary total hip arthroplasty (THA) on the functional outcome of a subsequent ipsilateral primary total knee arthroplasty (TKA). METHODS A retrospective case-control study of 92 patients older than 60 years underwent unilateral primary TKA after a prior ipsilateral THA (THA-TKA group) and 92 matched patients underwent only TKA (TKA group). Clinical assessments were performed using the Knee Society Scores (KSS) and Harris Hip Score (HSS), quality of life by the Reduced Western Ontario and MacMaster Universities (WOMAC) and Short-Form 12 (SF-12) questionnaires. Radiological evaluation was also performed. RESULTS Median follow-up after TKA was 7.2 (range 5-9) years. There were no significant differences between groups in baseline data at the TKA time. The mean gains in KSS were similar in both groups. At the last follow-up, there were no significant differences in WOMAC-pain or SF12-physical scores, but the WOMAC-function (p = 0.003) and SF12-mental (p = 0.018) scores were significantly better in the isolated TKA group. At the last follow-up, there were no significant differences in the radiological knee alignment or component positions. For aseptic reasons, the TKA survival at 8 years in the TKA group was 95.8 (95% CI 87.8-100%), and 96.6% (95% CI 91.8-100%) in the THA-TKA group (ns). CONCLUSION A well-functioning unilateral THA does not influence on the functional outcome of a subsequent ipsilateral TKA. This finding can help clinicians when counseling patients with hip and knee osteoarthritis. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Alfredo Asensio-Pascual
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, 03600, Elda, Alicante, Spain
| | - Alejandro Lizaur-Utrilla
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, 03600, Elda, Alicante, Spain.
- Department of Traumatology and Orthopaedics, Miguel Hernandez University, Avda Universidad s/n, 03202, San Juan de Alicante, Alicante, Spain.
| | - M Flores Vizcaya-Moreno
- Clinical Nursing Research Group, Faculty of Health Sciences, University of Alicante, Ctra San Vicente del Raspeig s/n, 03690, San Vicente del Raspeig, Alicante, Spain
| | - Fancisco A Miralles-Muñoz
- Department of Orthopaedic Surgery, Elda University Hospital, Ctra Elda-Sax s/n, 03600, Elda, Alicante, Spain
| | - Fernando A Lopez-Prats
- Department of Traumatology and Orthopaedics, Miguel Hernandez University, Avda Universidad s/n, 03202, San Juan de Alicante, Alicante, Spain
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Miura N, Tagomori K, Ikutomo H, Nakagawa N, Masuhara K. Asymmetrical loading during sit-to-stand movement in patients 1 year after total hip arthroplasty. Clin Biomech (Bristol, Avon) 2018; 57:89-92. [PMID: 29966959 DOI: 10.1016/j.clinbiomech.2018.06.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Revised: 03/24/2018] [Accepted: 06/25/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Asymmetrical loading during functional performance can occur after total hip arthroplasty. We hypothesized that during sit-to-stand movements, the loading of the limbs of patients who undergo total hip arthroplasty is more asymmetrical than that of those who do not. The objective of the present study was to compare asymmetrical loading during the sit-to-stand movements of patients at 1 year after undergoing total hip arthroplasty, and that of healthy adults. METHODS Twenty-eight patients at 1 year after undergoing total hip arthroplasty and 16 healthy adults were included. We measured the vertical ground reaction force during the sit-to-stand movement for each leg and calculated the ratio of the peak vertical ground reaction force, and the ratio at the time of peak magnitude of the non-operated limb (control, right limb). FINDINGS The mean peak vertical ground reaction force ratio of the patients was 0.77 (0.2), and it was significantly lower than that of healthy adults. The vertical ground reaction force ratio for these patients at the time of peak magnitude of the non-operated limb was 0.72 (0.2), and was significantly lower than that of healthy adults. INTERPRETATION Loading on the operated leg during the sit-to-stand movement was lower than that on the non-operated leg in patients at 1 year after undergoing total hip arthroplasty. Furthermore, loading during sit-to-stand movement of patients 1 year after undergoing total hip arthroplasty was more asymmetrical than that of healthy adults. Even at 1 year after undergoing total hip arthroplasty, these patients performed the sit-to-stand movement asymmetrically.
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Affiliation(s)
- Namika Miura
- Department of Rehabilitation, Masuhara Clinic, 3-4-2, Tenmabashi, Kita-ku, Osaka 530-0042, Japan.
| | - Keiichi Tagomori
- Department of Rehabilitation, Masuhara Clinic, 3-4-2, Tenmabashi, Kita-ku, Osaka 530-0042, Japan
| | - Hisashi Ikutomo
- Department of Rehabilitation, Masuhara Clinic, 3-4-2, Tenmabashi, Kita-ku, Osaka 530-0042, Japan
| | - Norikazu Nakagawa
- Department of Rehabilitation, Masuhara Clinic, 3-4-2, Tenmabashi, Kita-ku, Osaka 530-0042, Japan
| | - Kensaku Masuhara
- Department of Orthopaedic Surgery, Masuhara Clinic, 3-4-2, Tenmabashi, Kita-ku, Osaka 530-0042, Japan
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Jungmann PM, Nevitt MC, Baum T, Liebl H, Nardo L, Liu F, Lane NE, McCulloch CE, Link TM. Relationship of unilateral total hip arthroplasty (THA) to contralateral and ipsilateral knee joint degeneration - a longitudinal 3T MRI study from the Osteoarthritis Initiative (OAI). Osteoarthritis Cartilage 2015; 23:1144-53. [PMID: 25819583 PMCID: PMC4470862 DOI: 10.1016/j.joca.2015.03.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Revised: 03/02/2015] [Accepted: 03/15/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To evaluate the association of prevalent unilateral total hip arthroplasty (THA) with worsening of degenerative knee abnormalities and clinical outcomes in the ipsilateral and contralateral knee. METHODS Both knees of 30 individuals in the Osteoarthritis Initiative (OAI) with unilateral THA (n = 14 left, n = 16 right) at baseline were assessed at baseline and at 4-year follow-up for Whole-organ MR Imaging Scores (WORMS), cartilage T2 relaxation times (only available for right knees), Western Ontario and McMasters Universities Arthritis Index (WOMAC) scores and upper leg isometric strength. Right knees of 30 individuals without THA were analyzed as controls. Contralateral knees were compared to ipsilateral knees with paired t-tests and to control knees with multivariate regression analysis adjusting for covariates. RESULTS In paired analyses, compared to ipsilateral knees, contralateral knees had higher WORMS total (P = 0.008) and cartilage scores (P = 0.007) at baseline. Over 4 years contralateral knees worsened more on WORMS total score (P = 0.008). Cartilage T2 values were higher in knees contralateral to the THA (baseline, P = 0.02; follow-up, P < 0.001). Contralateral knees had greater declines in knee extension strength (P = 0.04) and had a trend for greater worsening in WOMAC pain, stiffness, function and total scores (P = 0.04-0.09). Similar results were found comparing contralateral knees with control knees in multivariate regression models. CONCLUSIONS Prevalent unilateral THA is associated with an greater progression of degenerative findings for the knee contralateral to THA.
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Affiliation(s)
- P M Jungmann
- Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry Street, Suite 350, San Francisco, CA 94107, USA; Department of Radiology, Technische Universitaet Muenchen, Ismaninger Strasse 22, 81675 Munich, Germany.
| | - M C Nevitt
- Department of Epidemiology and Biostatistics, University of California San Francisco, 185 Berry Street, Suite 5700, San Francisco, CA 94107, USA.
| | - T Baum
- Department of Radiology, Technische Universitaet Muenchen, Ismaninger Strasse 22, 81675 Munich, Germany.
| | - H Liebl
- Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry Street, Suite 350, San Francisco, CA 94107, USA.
| | - L Nardo
- Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry Street, Suite 350, San Francisco, CA 94107, USA.
| | - F Liu
- Department of Epidemiology and Biostatistics, University of California San Francisco, 185 Berry Street, Suite 5700, San Francisco, CA 94107, USA.
| | - N E Lane
- Department of Internal Medicine, UC Davis Medical Center, Sacramento, CA 95817, USA.
| | - C E McCulloch
- Department of Epidemiology and Biostatistics, University of California San Francisco, 185 Berry Street, Suite 5700, San Francisco, CA 94107, USA.
| | - T M Link
- Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, 185 Berry Street, Suite 350, San Francisco, CA 94107, USA.
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15
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Fujimaki H, Inaba Y, Kobayashi N, Tezuka T, Hirata Y, Saito T. Leg length discrepancy and lower limb alignment after total hip arthroplasty in unilateral hip osteoarthritis patients. J Orthop Sci 2013; 18:969-76. [PMID: 23963590 DOI: 10.1007/s00776-013-0457-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Accepted: 07/30/2013] [Indexed: 11/24/2022]
Abstract
BACKGROUND Leg length discrepancy (LLD) following total hip arthroplasty (THA) is a leading cause of patient dissatisfaction. However, no reports have described the influence of lower limb alignment on LLD after THA. In the present study, we firstly investigated the change in lower limb alignment after THA. Secondly, we determined the influence of lower limb alignment on LLD after THA. Thirdly, we evaluated the influence of LLD in the entire lower leg on the clinical outcomes after THA. METHODS We followed up with 54 unilateral hip osteoarthritis (OA) patients 1 year after THA. For the radiological assessment of LLD and lower limb alignment, we obtained anteroposterior radiographs of the pelvis and both lower legs in entirety in a standing position before and 1 year after THA. The Harris Hip Score (HHS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and Medical Outcomes Study Short-Form 36-Item Health Survey (SF-36) were also obtained to assess the clinical outcome. RESUTS The alignment of the affected leg, which was more valgus than the unaffected leg before THA, tended toward varus after THA, and the discrepancy between the lower limb alignments on both sides decreased. However, the alignment discrepancies that remained after THA influenced the LLD measured on the radiograph of the entire lower leg, and this LLD influenced the clinical outcome as measured by the HHS and the WOMAC score. CONCLUSIONS LLD in the entire lower leg should be corrected for a better clinical outcome after THA.
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Affiliation(s)
- Hiroshi Fujimaki
- Department of Orthopaedic Surgery, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
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Foucher KC, Wimmer MA. Does hip implant positioning affect the peak external adduction moments of the healthy knees of subjects with total hip replacements? J Orthop Res 2013; 31:1187-94. [PMID: 23787990 DOI: 10.1002/jor.22350] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2012] [Accepted: 02/25/2013] [Indexed: 02/04/2023]
Abstract
After unilateral total hip replacement (THR) for hip osteoarthritis (OA), knee OA incidence or progression is common. The contralateral knee is at particular risk, and some have speculated that abnormal THR-hip biomechanics contributes to this asymmetry. We investigated the relationships between operated-hip joint geometry or gait variables and the peak external knee adduction moments-an indicator of knee OA risk-in 21 subjects with unilateral THRs. We found that the peak adduction moment was 14% higher on the contralateral versus the ipsilateral knee (p = 0.131). The best predictors of ipsilateral knee adduction moments were superior-inferior joint center position and operated-hip peak adduction moment (adj R(2) = 0.291, p = 0.017). The sole predictor of the contralateral knee adduction moment was the medial-lateral hip center position (adj R(2) = 0.266, p = 0.010). A postoperative medial shift of the hip center was significantly correlated with a lower postoperative contralateral/ipsilateral knee adduction moment ratio (R = 0.462, p = 0.035). Based on these relationships, we concluded that implant positioning could influence the biomechanical risk of knee OA progression after THR. Although implant positioning decisions are necessarily driven by other factors, it may be appropriate to assess individual THR candidate's knee OA risk and adjust perioperative management accordingly.
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Affiliation(s)
- Kharma C Foucher
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.
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Gillam MH, Lie SA, Salter A, Furnes O, Graves SE, Havelin LI, Ryan P. The progression of end-stage osteoarthritis: analysis of data from the Australian and Norwegian joint replacement registries using a multi-state model. Osteoarthritis Cartilage 2013; 21:405-12. [PMID: 23274101 DOI: 10.1016/j.joca.2012.12.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Revised: 12/04/2012] [Accepted: 12/16/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The incidence of joint replacements is considered an indicator of symptomatic end-stage osteoarthritis (OA). We analysed data from two national joint replacement registries in order to investigate whether evidence of a pattern of progression of end-stage hip and knee OA could be found in data from large unselected populations. DESIGN We obtained data on 78,634 hip and 122,096 knee arthroplasties from the Australian Orthopaedic Association National Joint Replacement Registry and 19,786 hip and 12,082 knee arthroplasties from the Norwegian Arthroplasty Register. A multi-state model was developed where individuals were followed from their first recorded hip or knee arthroplasty for OA to receiving subsequent hip and/or knee arthroplasties. We used this model to estimate relative hazard rates and probabilities for each registry separately. RESULTS The hazard rates of receiving subsequent arthroplasties in non-cognate joints were higher on the contralateral side than on the ipsilateral side to the index arthroplasty, especially if the index was a hip arthroplasty. After 5 years, the estimated probabilities of having received a knee contralateral to the index hip were more than 1.7 times the probabilities of having received a knee ipsilateral to the index hip. CONCLUSION The results indicate that there is an association between the side of the first hip arthroplasty and side of subsequent knee arthroplasties. Further studies are needed to investigate whether increased risk of receiving an arthroplasty in the contralateral knee is related to having a hip arthroplasty and/or preoperative factors such as pain and altered gait associated with hip OA.
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Affiliation(s)
- M H Gillam
- School of Population Health, University of Adelaide, SA, Australia.
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Lamontagne M, Beaulieu ML, Varin D, Beaulé PE. Lower-limb joint mechanics after total hip arthroplasty during sitting and standing tasks. J Orthop Res 2012; 30:1611-7. [PMID: 22508467 DOI: 10.1002/jor.22127] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Accepted: 03/27/2012] [Indexed: 02/04/2023]
Abstract
While the effect of total hip arthroplasty on the operated limb mechanics is well documented, little is known on its effect on the contralateral limb. The purpose of this study was to measure the joint mechanics of both lower limbs during the tasks of sit-to-stand and stand-to-sit. Twenty total hip arthroplasty patients and 20 control participants performed three trials of each task from which 3D lower-limb joint kinematics and kinetics were obtained. Total hip arthroplasty patients exhibited lower operated-hip joint flexion, extension moments, and power, occurring most frequently near seat-on and seat-off. Despite these reduced kinetic variables in the operated hip, the joints of the non-operated limb generated similar joint kinetics as the matched control participants. These results indicated the patients who underwent total hip arthroplasty could adopt a strategy that allowed them to reduce moments and power generated at the operated lower-limb joints without overcompensating with the non-operated leg. Although such a strategy may be desirable given that higher loads can increase friction and accelerate wear of the prosthesis, reduced loading may be an indication of inadequate muscle strength that needs to be addressed.
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Affiliation(s)
- Mario Lamontagne
- School of Human Kinetics, University of Ottawa, 125 University Private, Ottawa, Ontario, Canada.
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Influence of upper extremity assistance on lower extremity force application symmetry in individuals post-hip fracture during the sit-to-stand task. J Orthop Sports Phys Ther 2012; 42:474-81. [PMID: 22565360 DOI: 10.2519/jospt.2012.3562] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
STUDY DESIGN Controlled laboratory study using a cross-sectional design. OBJECTIVES To compare lower extremity force applications during a sit-to-stand (STS) task with and without upper extremity assistance in older individuals post-hip fracture to those of age-matched controls. BACKGROUND A recent study documented the dependence on upper extremity assistance and the uninvolved lower limb during an STS task in individuals post-hip fracture. This study extends this work by examining the effect of upper extremity assistance on symmetry of lower extremity force applications. METHODS Twenty-eight community-dwelling elderly subjects, 14 who had recovered from a hip fracture and 14 controls, participated in the study. All participants were independent ambulators. Four force plates were used to determine lower extremity force applications during an STS task with and without upper extremity assistance. The summed vertical ground reaction forces (vGRFs) of both limbs were used to determine STS phases (preparation/rising). The lower extremity force applications were assessed statistically using analysis of variance models. RESULTS During the preparation phase, side-to-side symmetry of the rate of force development was significantly lower for the hip fracture group for both STS tasks (P<.001). During the rising phase, the vGRF impulse of the involved limb was significantly lower for the hip fracture group for both STS tasks (P = .045). The vGRF impulse for the uninvolved limb was significantly increased when participants with hip fracture did not use upper extremity assistance compared to elderly controls (P = .002). This resulted in a significantly lower vGRF symmetry for the hip fracture group during both STS tasks (P<.001). CONCLUSION Participants with hip fracture who were discharged from rehabilitative care demonstrated decreased side-to-side symmetry of lower extremity loading during an STS task, irrespective of whether upper extremity assistance was provided. These findings suggest that learned motor control strategies may influence movement patterns post-hip fracture.
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Tateuchi H, Tsukagoshi R, Fukumoto Y, Oda S, Ichihashi N. Dynamic hip joint stiffness in individuals with total hip arthroplasty: relationships between hip impairments and dynamics of the other joints. Clin Biomech (Bristol, Avon) 2011; 26:598-604. [PMID: 21392872 DOI: 10.1016/j.clinbiomech.2011.01.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2010] [Revised: 01/28/2011] [Accepted: 01/31/2011] [Indexed: 02/07/2023]
Abstract
BACKGROUND Little is known about hip joint stiffness during walking (dynamic joint stiffness) and the effect of hip impairments on biomechanical alterations of other joints in patients with total hip arthroplasty. METHODS Twenty-four patients (mean age 61.7 years) who underwent unilateral (n=12) or bilateral total hip arthroplasty (n=12) and healthy subjects (n=12) were recruited. In addition to kinematic and kinetic variables, dynamic hip joint stiffness which was calculated as an angular coefficient of linear regression of the plot of the hip flexion moment vs. hip extension angle during the late stance of gait, was measured. Group differences were compared using one-way ANOVA and Tukey's post-hoc test, and relationships between primary hip impairments and secondary gait impairments were found using partial correlation coefficients adjusted for gait speed and stride length. FINDINGS Dynamic hip joint stiffness was 47% higher on the side with the more pronounced limp in patients with bilateral arthroplasty than in healthy controls. In the same patients, increased dynamic hip joint stiffness was significantly associated especially with increased ankle plantarflexion moment on the ipsilateral side. In patients with unilateral arthroplasty, decreased hip power was significantly related to increased ankle plantarflexor power, only on the non-operated side. INTERPRETATION We found that dynamic hip joint stiffness was an important factor in assessing relationships between hip impairments and dynamics in other joints, especially in patients with bilateral total hip arthroplasty. The effects of altering hip joint stiffness on gait biomechanics need to be explored.
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Affiliation(s)
- Hiroshige Tateuchi
- Graduate School of Medicine, Kyoto University, 53 Kawara-cho, Shogoin, Sakyo-ku, Kyoto, Japan.
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Nogueira-Barbosa MH, Lacerda FDM. Ressalto no canto posteromedial do joelho relacionado ao músculo sartório. Radiol Bras 2011. [DOI: 10.1590/s0100-39842011000300015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
As causas da síndrome de ressalto no joelho relatadas com maior frequência são relacionadas a anormalidades meniscais, ao tendão do músculo bíceps femoral e aos tendões grácil e semitendíneo. Neste trabalho é descrito um caso de ressalto no canto posteromedial relacionado à junção miotendínea do músculo sartório em um paciente do sexo masculino, de 58 anos de idade, com hiperextensão do joelho.
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Time course and extent of functional recovery during the first postoperative year after minimally invasive total hip arthroplasty with two different surgical approaches—a randomized controlled trial. J Biomech 2011; 44:372-8. [DOI: 10.1016/j.jbiomech.2010.10.026] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Revised: 10/18/2010] [Accepted: 10/19/2010] [Indexed: 11/22/2022]
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