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Rehman Y, Korsvold AM, Lerdal A, Aamodt A. No difference in patient-reported outcomes with cruciate-retaining, anterior-stabilized, and posterior-stabilized total knee arthroplasty designs. Bone Joint J 2023; 105-B:1271-1278. [PMID: 38037687 DOI: 10.1302/0301-620x.105b12.bjj-2023-0064.r3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Aims This study compared patient-reported outcomes of three total knee arthroplasty (TKA) designs from one manufacturer: one cruciate-retaining (CR) design, and two cruciate-sacrificing designs, anterior-stabilized (AS) and posterior-stabilized (PS). Methods Patients scheduled for primary TKA were included in a single-centre, prospective, three-armed, blinded randomized trial (n = 216; 72 per group). After intraoperative confirmation of posterior cruciate ligament (PCL) integrity, patients were randomly allocated to receive a CR, AS, or PS design from the same TKA system. Insertion of an AS or PS design required PCL resection. The primary outcome was the mean score of all five subscales of the Knee injury and Osteoarthritis Outcome Score (KOOS) at two-year follow-up. Secondary outcomes included all KOOS subscales, Oxford Knee Score, EuroQol five-dimension health questionnaire, EuroQol visual analogue scale, range of motion (ROM), and willingness to undergo the operation again. Patient satisfaction was also assessed. Results Patients reported similar levels of pain, function, satisfaction, and general health regardless of the prosthetic design they received. Mean maximal flexion (129° (95% confidence interval (CI) 127° to 131°) was greater in the PS group than in the CR (120° (95% CI 121° to 124°)) and AS groups (122° (95% CI 120° to 124°)). Conclusion Despite differences in design and constraint, CR, AS, and PS designs from a single TKA system resulted in no differences in patient-reported outcomes at two-year follow-up. PS patients had statistically better ROM, but the clinical significance of this finding is unclear.
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Affiliation(s)
- Yasser Rehman
- Department of Orthopaedic Surgery, Lovisenberg Diaconal Hospital, Oslo, Norway
- Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Ann M Korsvold
- Department of Physiotherapy, Lovisenberg Diaconal Hospital, Oslo, Norway
| | - Anners Lerdal
- Department of Research and Development, Lovisenberg Diaconal Hospital, Oslo, Norway
- Department of Interdisciplinary Health Sciences, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Arild Aamodt
- Department of Orthopaedic Surgery, Lovisenberg Diaconal Hospital, Oslo, Norway
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Desai KB, Mulpur P, Jayakumar T, Suhas Masilamani A, Ranjan A, Gurava Reddy A. Adoption of robotics in arthroplasty- a survey of perceptions, utilization and challenges with technology amongst Indian surgeons. J Orthop 2023; 46:51-57. [PMID: 37942218 PMCID: PMC10630109 DOI: 10.1016/j.jor.2023.10.019] [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: 08/04/2023] [Revised: 09/27/2023] [Accepted: 10/25/2023] [Indexed: 11/10/2023] Open
Abstract
Introduction Total joint replacement surgeries are standard procedures for managing end-stage hip or knee arthritis. Despite advances in technology, some patients experience dissatisfaction after total knee arthroplasty (TKA). Robotic technology has evolved significantly and has shown promise in improving component positioning, alignment, and surgical outcomes. However, the widespread adoption of robotics in arthroplasty faces challenges such as high costs, a steep learning curve, and limited evidence on long-term outcomes. Methods This cross-sectional observational study used a structured self-administered online survey to assess the perceptions of Indian arthroplasty surgeons regarding robotic technology. The survey included questions about the surgeon's background, experience, perceptions of robotic joint replacement, and limiting factors for robotic usage. A total of 417 responses were collected from practising arthroplasty surgeons. Results Most participants(78.1 %) expressed a willingness to adopt robotics in their arthroplasty practice if the cost of installation was reduced. Robotic users were more convinced about the benefits of robotics, including improved alignment, reduced pain, faster rehabilitation, and better outcomes. High-volume robotic surgeons demonstrated a greater belief in the broader potential of robotics beyond implant positioning and alignment. The major barriers to adoption were the high cost of installation and limited insurance coverage for robotic-assisted procedures. Lack of formal robotic training opportunities, resistance from corporate management, patient acceptance issues, and limited published literature supporting robotic advantages were also cited as limiting factors. Conclusion Robotic technology is increasingly being adopted in India for TKA. The main obstacle to widespread adoption is the high cost of installation. As technology costs decrease, we can expect a rise in the number of installations across the country. Advocacy from national orthopaedic organizations may be needed to address insurance reimbursement challenges. Overall, this study provides valuable insights into the perceptions and challenges associated with the adoption of robotic technology in arthroplasty in India.
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Affiliation(s)
- Keyur B. Desai
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | - Praharsha Mulpur
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | - Tarun Jayakumar
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | | | - Abhishek Ranjan
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
| | - A.V. Gurava Reddy
- Sunshine Bone and Joint Insitute, KIMS-Sunshine Hospitals, Hyderabad, India
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Anderson AM, McHugh GA, Comer C, Joseph J, Smith TO, Yardley L, Redmond AC. Supporting patients to prepare for total knee replacement: Evidence-, theory- and person-based development of a 'Virtual Knee School' digital intervention. Health Expect 2023; 26:2549-2570. [PMID: 37606150 PMCID: PMC10632615 DOI: 10.1111/hex.13855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 08/23/2023] Open
Abstract
INTRODUCTION Digital delivery of pre-operative total knee replacement (TKR) education and prehabilitation could improve patient outcomes pre- and post-operatively. Rigorously developing digital interventions is vital to help ensure they achieve their intended outcomes whilst mitigating their potential drawbacks. OBJECTIVE To develop a pre-operative TKR education and prehabilitation digital intervention, the 'Virtual Knee School' (VKS). METHODS The VKS was developed using an evidence-, theory- and person-based approach. This involved a mixed methods design with four phases. The first three focused on planning the VKS. The final phase involved creating a VKS prototype and iteratively refining it through concurrent think-aloud interviews with nine patients who were awaiting/had undergone TKR. Meta-inferences were generated by integrating findings from all the phases. ISRCTN registration of the overall project was obtained on 24 April 2020 (ISRCTN11759773). RESULTS Most participants found the VKS prototype acceptable overall and considered it a valuable resource. Conversely, a minority of participants felt the prototype's digital format or content did not meet their individual needs. Participants' feedback was used to refine the prototype's information architecture, design and content. Two meta-inferences were generated and recommend: 1. Comprehensive pre-operative TKR education and prehabilitation support should be rapidly accessible in digital and non-digital formats. 2. Pre-operative TKR digital interventions should employ computer- and self-tailoring to account for patients' individual needs and preferences. CONCLUSIONS Integrating evidence, theory and stakeholders' perspectives enabled the development of a promising VKS digital intervention for patients awaiting TKR. The findings suggest future research evaluating the VKS is warranted and provide recommendations for optimising pre-operative TKR care. PATIENT OR PUBLIC CONTRIBUTION Patient and Public Involvement (PPI) was central throughout the project. For example, PPI representatives contributed to the project planning, were valued members of the Project Advisory Group, had key roles in developing the VKS prototype and helped disseminate the project findings.
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Affiliation(s)
- Anna M. Anderson
- Leeds Institute of Rheumatic and Musculoskeletal MedicineUniversity of LeedsLeedsUK
- NIHR Leeds Biomedical Research CentreLeedsUK
- Present address:
Leeds Institute of Health SciencesUniversity of LeedsLeedsUK
| | | | - Christine Comer
- Leeds Institute of Rheumatic and Musculoskeletal MedicineUniversity of LeedsLeedsUK
- Musculoskeletal and Rehabilitation ServicesLeeds Community Healthcare NHS TrustLeedsUK
| | - Judith Joseph
- Centre for Clinical and Community Applications of Health PsychologyUniversity of SouthamptonSouthamptonUK
| | - Toby O. Smith
- School of Health SciencesUniversity of East AngliaNorwichUK
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal SciencesUniversity of OxfordOxfordUK
- Present address:
Warwick Medical SchoolUniversity of WarwickWarwickUK
| | - Lucy Yardley
- Centre for Clinical and Community Applications of Health PsychologyUniversity of SouthamptonSouthamptonUK
- School of Psychological ScienceUniversity of BristolBristolUK
| | - Anthony C. Redmond
- Leeds Institute of Rheumatic and Musculoskeletal MedicineUniversity of LeedsLeedsUK
- NIHR Leeds Biomedical Research CentreLeedsUK
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Sajan M, Moussa MK, Lefèvre N, Payan C, Valentin E, Meyer A, Bohu Y, Khalaf Z, Grimaud O, Gerometta A, Hardy A, Khiami F. Customized-individually-made origin® implants in total knee arthroplasty allow a reliable solution for accurate reproduction of planned implant positioning. J Exp Orthop 2023; 10:123. [PMID: 38015319 PMCID: PMC10684845 DOI: 10.1186/s40634-023-00706-9] [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: 09/06/2023] [Accepted: 11/17/2023] [Indexed: 11/29/2023] Open
Abstract
PURPOSE To evaluate the accuracy and reproducibility of a patient-specific, customized individually made (CIM) total knee replacement (TKR) using the ORIGIN® prosthesis. METHODS This was a prospective study conducted at a University Hospital from January 15, 2019, to April 30, 2021. The study included patients planned for an ORIGIN® CIM TKR procedure. Exclusion criteria included revision surgery, severe deformity, stiffness, or laxity. Evaluations were carried out using computed tomography scans performed 8 weeks preoperatively and 6 weeks postoperatively. The primary outcome measurements were the preoperative, planned, and postoperative CT scan alignment measurements including the Hip-Knee-Ankle (HKA) angle, mechanical Medial Distal Femoral articular surface Angle (mMDFA, distal alpha angle), Posterior Distal femoral articular surface angle (PDFA, posterior alpha angle), mechanical Medial Proximal Tibial articular surface Angle (mMPTA, beta angle) and posterior proximal tibial angle (PPTA). Secondary outcomes included the accuracy of implant positioning with percentage of outliers at 2° and 3° RESULTS: The study encompassed 51 knees from 50 patients with mean age of 68.1 (SD = 8.89). The overall HKA angle deviated by -0.93° [95% CI: -1.45; -0.43], and the PDFA angle by -0.61° [95% CI: -1.07; -0.15], while the mMPTA exceeded planned values by 1.00° [95% CI: 0.57; 1.43]. The 3° outliers rate ranged from 3.9% for the mMPTA to 7.8% for the HKA alignment, with no outliers in mMDFA and PPTA. Similarly, the 2° outliers rate ranged from 15.7% for both the PDFA angle and mMPTA to 19.6% for the HKA alignment. The Bland-Altman plots further emphasized the precision of planned and post-operative angles across all measurements. CONCLUSION The CIM TKR showed high accuracy and reproducibility, closely matching preoperative planning. The weakest accuracy at 3°-outliers is in the reproduction of the HKA alignment at 92.2% (range for all angle: 92.2-100%). Similarly, the weakest accuracy at 2°-outliers is in the reproduction of the HKA alignment at 80.4% (range for all angles: 80.4-92.2%).
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Affiliation(s)
- Martin Sajan
- Hôpital de la Pitié Salpêtrière-AP-HP, 75013, Paris, France
| | - Mohamad K Moussa
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France.
| | - Nicolas Lefèvre
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | | | - Eugénie Valentin
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Alain Meyer
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Yoann Bohu
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Zeinab Khalaf
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Olivier Grimaud
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | | | - Alexandre Hardy
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
| | - Frédéric Khiami
- Clinique du sport, 36 Boulevard Saint-Marcel, 75005, Paris, France
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Karasavvidis T, Pagan Moldenhauer CA, Lustig S, Vigdorchik JM, Hirschmann MT. Definitions and consequences of current alignment techniques and phenotypes in total knee arthroplasty (TKA) - there is no winner yet. J Exp Orthop 2023; 10:120. [PMID: 37991599 PMCID: PMC10665290 DOI: 10.1186/s40634-023-00697-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 11/16/2023] [Indexed: 11/23/2023] Open
Abstract
Dissatisfaction following total knee arthroplasty (TKA) has been extensively documented and it was attributed to numerous factors. In recent years, significant focus has been directed towards implant alignment and stability as potential causes and solutions to this issue. Surgeons are now exploring a more personalized approach to TKA, recognizing the importance of thoroughly understanding each individual patient's anatomy and functional morphology. A more comprehensive preoperative analysis of alignment and knee morphology is essential to address the unresolved questions in knee arthroplasty effectively. The crucial task of determining the most appropriate alignment strategy for each patient arises, given the substantial variability in bone resection resulting from the interplay of phenotype and the alignment strategy chosen. This review aims to comprehensively present the definitions of different alignment techniques in all planes and discuss the consequences dependent on knee phenotypes.Level of evidence V.
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Affiliation(s)
- Theofilos Karasavvidis
- Adult Reconstruction and Joint Replacement Service, Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA.
| | - Cale A Pagan Moldenhauer
- Adult Reconstruction and Joint Replacement Service, Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA
| | - Sébastien Lustig
- Department of Orthopaedic Surgery and Sports Medicine, Croix-Rousse Hospital, Lyon, 69004, France
| | - Jonathan M Vigdorchik
- Adult Reconstruction and Joint Replacement Service, Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA
| | - Michael T Hirschmann
- Department of Orthopaedic Surgery and Traumatology, Kantonsspital Baselland, Bruderholz, CH-4101, Switzerland
- Department of Clinical Research, Research Group Michael T. Hirschmann, Regenerative Medicine & Biomechanics, University of Basel, Basel, CH-4001, Switzerland
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Migliorini F, Feierabend M, Hofmann UK. Fostering Excellence in Knee Arthroplasty: Developing Optimal Patient Care Pathways and Inspiring Knowledge Transfer of Advanced Surgical Techniques. J Healthc Leadersh 2023; 15:327-338. [PMID: 38020721 PMCID: PMC10676205 DOI: 10.2147/jhl.s383916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 11/13/2023] [Indexed: 12/01/2023] Open
Abstract
Osteoarthritis of the knee is common. Early sports trauma or cartilage defects are risk factors for osteoarthritis. If conservative treatment fails, partial or total joint replacement is often performed. A joint replacement aims to restore physiological biomechanics and the quality of life of affected patients. Total knee arthroplasty is one of the most performed surgeries in musculoskeletal medicine. Several developments have taken place over the last decades that have truly altered the way we look at knee arthroplasty today. Some of the fascinating aspects will be presented and discussed in the present narrative review.
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Affiliation(s)
- Filippo Migliorini
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Medical Centre, Aachen, 52074, Germany
- Department of Orthopedics and Trauma Surgery, Academic Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University, 39100 Bolzano, Italy
| | - Martina Feierabend
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Medical Centre, Aachen, 52074, Germany
| | - Ulf Krister Hofmann
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Medical Centre, Aachen, 52074, Germany
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Jung Jung H, Kang MW, Lee JH, Lee JK, Kim JI. Preoperative patellar bone marrow lesions with full thickness cartilage defects correlate with residual anterior knee pain in total knee arthroplasty without patellar resurfacing. Knee Surg Sports Traumatol Arthrosc 2023; 31:5048-5056. [PMID: 37695390 DOI: 10.1007/s00167-023-07551-4] [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: 05/17/2023] [Accepted: 08/13/2023] [Indexed: 09/12/2023]
Abstract
PURPOSE Residual anterior knee pain is one of the most common problems after total knee arthroplasty (TKA). However, the contributing factors affecting postoperative anterior knee pain (AKP) remain poorly understood. This study aimed to evaluate the effect of preoperative patellar bone marrow lesions (BMLs) and patellar cartilage defects on postoperative AKP after patellar non-resurfacing TKA. METHODS This retrospective study included 336 patients who underwent unilateral TKA without patella resurfacing. All patients underwent preoperative magnetic resonance imaging (MRI) to assess the presence of BMLs and the degree of cartilage defects in the patella. Patients were categorized into four groups according to the presence of BMLs (with or without BMLs) and the degree of cartilage defects (with or without full thickness cartilage defects). The Kujala Anterior Knee Pain Scale (AKPS) and the Hospital for Special Surgery Knee Rating Scale (HSS) scores at 2 years after TKA were compared among the groups. RESULTS Preoperative BMLs in the patella were found in 132 (39.3%) of 336 cases. Among the four groups, the group with both BMLs and full-thickness cartilage defects demonstrated significantly lower AKPS compared to the other groups at 2 years after TKA (p < 0.01), but no significant difference was shown in the HSS scores, between these groups. There were no significant differences in either AKPS or HSS scores among the other three patient groups. CONCLUSIONS The presence of preoperative BMLs with full-thickness cartilage defects in the patella was associated with worse postoperative AKP after TKA without patella resurfacing. Patella resurfacing should be considered in this patient group to minimize the risk of developing residual AKP after TKA. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Ho Jung Jung
- Department of Orthopaedic Surgery, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Korea
| | - Min Wook Kang
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Jong Hwa Lee
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Joon Kyu Lee
- Department of Orthopaedic Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Joong Il Kim
- Department of Orthopaedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
- Department of Orthopedic Surgery, Hallym University Hospital, 1 Singilo, Yeongdeungpo-gu, Seoul, 07441, Korea.
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Nam HS, Yoo HJ, Ho JPY, Kim YB, Lee YS. Preoperative education on realistic expectations improves the satisfaction of patients with central sensitization after total knee arthroplasty: a randomized-controlled trial. Knee Surg Sports Traumatol Arthrosc 2023; 31:4705-4715. [PMID: 37355528 DOI: 10.1007/s00167-023-07487-9] [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: 04/01/2023] [Accepted: 06/08/2023] [Indexed: 06/26/2023]
Abstract
PURPOSE The aim of this study was to investigate whether an additional module on realistic expectations following total knee arthroplasty (TKA) would lead to a higher proportion of satisfied patients compared to existing preoperative education. METHODS This was a single-center, randomized-controlled trial. A total of 172 patients who were scheduled for TKA between September 2020 and October 2021 were enrolled. Patients were randomized to receive either only standard preoperative education, or an additional module on realistic expectations following TKA. The primary outcome was patient satisfaction. Secondary outcomes were Short Form-36, Western Ontario and McMaster Universities Osteoarthritis Index, crepitus score, and range of motion. Subgroup analysis was performed based on central sensitization inventory (CSI) score stratification. Assessment was performed at the 3-month, 6-month, and > 1-year follow-up. RESULTS At more than 1 year, 65/78 (83.3%) patients in the intervention group and 52/80 (65.0%) patients in the control group were satisfied (P = 0.03). The mean satisfaction score was measured as 4.2 ± 0.9 in the intervention and 3.9 ± 0.9 in the control at > 1 year (P = 0.01). There were significant differences in Short Form-36 physical and mental component summary scores and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain and stiffness scores at 6 months (P = 0.02, P = 0.02, P = 0.04, P = 0.04). The frequency of satisfaction and mean satisfaction score in the top 25 percentile CSI group were 15/16 (93.8%) and 4.6 ± 0.6 in those who received intervention and 12/19 (63.2%) and 3.8 ± 0.8 in those who did not (P = 0.01, P = 0.01). CONCLUSIONS Thorough preoperative education on realistic expectations following TKA showed effects on WOMAC pain and satisfaction at > 1 year after surgery. It was more prominent in the group with a higher CSI score at > 1-year follow-up. LEVEL OF EVIDENCE Level I.
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Affiliation(s)
- Hee Seung Nam
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea
| | - Hyun Jin Yoo
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea
- Department of Orthopedic Surgery, Konyang University College of Medicine, Konyang University Hospital, 158 Gwanjeodong-ro, Seo-gu, Daejeon, South Korea
| | - Jade Pei Yuik Ho
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea
| | - Yong Beom Kim
- Department of Orthopedic Surgery, Soonchunhyang University College of Medicine,, Soonchunhyang University Hospital, 59 Daesagwan-ro, Yongsan-gu, Seoul, South Korea
| | - Yong Seuk Lee
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, South Korea.
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Streck LE, Faschingbauer M, Brenneis M, Boettner CS, List K, Kasparek MF, Boettner F. Individual Phenotype Does Not Impact the Outcome of Mechanical Aligned Total Knee Arthroplasties for Valgus Osteoarthritis. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1852. [PMID: 37893570 PMCID: PMC10608527 DOI: 10.3390/medicina59101852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/02/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023]
Abstract
Background and Objectives: There is an ongoing discussion about the best alignment targets in total knee arthroplasty (TKA). Mechanical alignment has been the standard in TKA for years. Alongside the development of various classification systems to describe the native alignment of the knee (knee phenotype), kinematic alignment restoring the individual phenotype of the knee has been advocated more recently. Alignment in TKA becomes even more challenging in knees with preoperative deformities such as valgus osteoarthritis. Materials and Methods: The study retrospectively evaluated 158 knees in 135 patients who underwent TKA with a mechanical alignment target for valgus osteoarthritis. Pre- and postoperative hip knee angle, lateral distal femur angle, and medial proximal tibial angle/tibial plate angle (pre-/postoperative) were measured on standing hip-to-ankle radiographs. Knees were grouped according to the coronal plane alignment of the knee (CPAK) classification. Preoperative and postoperative range of motion and patient-related outcome measures (WOMAC, UCLA, SF-12, pain) were assessed. Results: There was no difference in outcome for mechanically aligned TKA between the different CPAK phenotypes, suggesting that mechanical alignment is an appropriate target for the different phenotypes analyzed in the study. Remaining valgus alignment was associated with decreased postoperative UCLA scores and decreased improvement in SF-12 scores (p = 0.011/p = 0.028). Within CPAK III, mechanical aligned TKA showed better postoperative UCLA Scores than TKA with valgus alignment (p = 0.015). The individual knee phenotype in patients with valgus osteoarthritis did not influence the outcome of mechanical aligned TKA operated with standardized soft-tissue release.
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Affiliation(s)
- Laura E. Streck
- Adult Reconstruction and Joint Replacement Department, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
| | - Martin Faschingbauer
- Department of Orthopedic Surgery, University of Ulm, Oberer Eselsberg 45, 89081 Ulm, Germany
| | - Marco Brenneis
- The Complex Joint Reconstruction Centre at Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt am Main, Germany
| | - Cosima S. Boettner
- Adult Reconstruction and Joint Replacement Department, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
| | - Kilian List
- Department of Orthopedics, University of Wuerzburg, Brettreichstrasse 11, 97074 Wuerzburg, Germany
| | - Maximilian F. Kasparek
- Department of Orthopedics, Evangelisches Krankenhaus, Hans-Sachs Gasse 10-12, 1180 Vienna, Austria
| | - Friedrich Boettner
- Adult Reconstruction and Joint Replacement Department, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
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Musbahi O, Collins JE, Yang H, Selzer F, Chen AF, Lange J, Losina E, Katz JN. Assessment of Residual Pain and Dissatisfaction in Total Knee Arthroplasty: Methods Matter. JB JS Open Access 2023; 8:e23.00077. [PMID: 38058510 PMCID: PMC10697603 DOI: 10.2106/jbjs.oa.23.00077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2023] Open
Abstract
Background Residual pain after total knee arthroplasty (TKA) refers to knee pain after 3 to 6 months postoperatively. The estimates of the proportion of patients who experience residual pain after TKA vary widely. We hypothesized that the variation may stem from the range of methods used to assess residual pain. We analyzed data from 2 prospective studies to assess the proportion of subjects with residual pain as defined by several commonly used metrics and to examine the association of residual pain defined by each metric with participant dissatisfaction. Methods We combined participant data from 2 prospective studies of TKA outcomes from subjects recruited between 2011 and 2014. Residual pain was defined using a range of metrics based on the WOMAC (Western Ontario and McMaster Universities Osteoarthritis Index) pain score (0 to 100, in which 100 indicates worst), including the minimal clinically important difference (MCID) and patient acceptable symptom state (PASS). We also examined combinations of MCID and PASS cutoffs. Subjects self-reported dissatisfaction following TKA, and we defined dissatisfied as somewhat or very dissatisfied at 12 months. We calculated the proportion of participants with residual pain, as defined by each metric, who reported dissatisfaction. We examined the association of each metric with dissatisfaction by calculating the sensitivity, specificity, positive predictive value, and Youden index. Results We analyzed data from 417 subjects with a mean age (and standard deviation) of 66.3 ± 8.3 years. Twenty-six participants (6.2%) were dissatisfied. The proportion of participants defined as having residual pain according to the various metrics ranged from 5.5% to >50%. The composite metric Improvement in WOMAC pain score ≥20 points or final WOMAC pain score ≤25 had the highest positive predictive value for identifying dissatisfied subjects (0.54 [95% confidence interval, 0.35 to 0.71]). No metric had a Youden index of ≥50%. Conclusions Different metrics provided a wide range of estimates of residual pain following TKA. No estimate was both sensitive and specific for dissatisfaction in patients who underwent TKA, underscoring that measures of residual pain should be defined explicitly in reports of TKA outcomes. Level of Evidence Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Omar Musbahi
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Imperial College London, London, United Kingdom
| | - Jamie E. Collins
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Heidi Yang
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
| | - Faith Selzer
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Antonia F. Chen
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Jeffrey Lange
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Elena Losina
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
- Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts
| | - Jeffrey N. Katz
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Department of Orthopedic Surgery, Brigham and Women’s Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
- Department of Epidemiology, Harvard Chan School of Public Health, Boston, Massachusetts
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Edelstein AI, Wakelin EA, Plaskos C, Suleiman LI. Laxity, Balance, and Alignment of a Simulated Kinematic Alignment Total Knee Arthroplasty. Arthroplast Today 2023; 23:101204. [PMID: 37745959 PMCID: PMC10514418 DOI: 10.1016/j.artd.2023.101204] [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: 03/31/2023] [Revised: 06/23/2023] [Accepted: 07/24/2023] [Indexed: 09/26/2023] Open
Abstract
Background Kinematic alignment (KA) and related personalized alignment strategies in total knee arthroplasty (TKA) target restoration of native joint line obliquity and alignment. In practice, deviations from exact restoration of the prearthritic joint surface are tolerated for either the femur or tibia to achieve ligamentous balance. It remains unknown what laxity, balance, and alignment would result if a pure resurfacing of both femur and tibia were performed in a KA TKA technique. Methods We used data from 382 robot-assisted TKA performed with a digital joint tensioner to simulate TKA with a pure resurfacing KA technique for both femur and tibia. All knees had the posterior cruciate ligament retained. Knees were subdivided into 4 groups based on preoperative coronal alignment: valgus, neutral, varus, and high varus. Medial and lateral laxity in extension and flexion, balance in extension and flexion, and coronal plane alignment were compared between groups using analysis of variance testing. Results In simulated pure resurfacing KA TKA across a range of preoperative coronal plane deformities, only 11%-31% of knees would have mediolateral extension ligament balance within ±1 mm, and 20%-41% would have a medial flexion gap that is looser than the lateral flexion gap. Over 45% of knees would have coronal hip-knee-ankle angle >3 degrees from mechanical neutral. Conclusions In simulations of pure resurfacing KA TKA, there was wide variability in the resulting laxity and alignment outcomes. Most knees had alignment and balance outcomes outside of normally accepted ranges. Techniques that deviate from pure resurfacing in order to achieve balance appear favorable.
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Affiliation(s)
- Adam I. Edelstein
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | | | | | - Linda I. Suleiman
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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Helito CP, Moreira FS, Santiago MAM, Medeiros LDFB, Giglio PN, da Silva AGM, Gobbi RG, Pécora JR. Prevalence and interference of neuropathic pain in the quality of life in patients with knee osteoarthritis. Clinics (Sao Paulo) 2023; 78:100287. [PMID: 37778166 PMCID: PMC10757282 DOI: 10.1016/j.clinsp.2023.100287] [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: 05/03/2023] [Revised: 07/26/2023] [Accepted: 09/06/2023] [Indexed: 10/03/2023] Open
Abstract
OBJECTIVE With the aging of the population, more patients have complained of pain due to knee Osteoarthritis (OA), and the number of arthroplasties has also increased. The objective of this study is to evaluate the prevalence of the neuropathic pain component in candidates for Total Knee Replacement and the effects of this component on their quality of life. METHODS In this cross-sectional study, patients with OA candidates for knee arthroplasty in the present institution were evaluated using the pain detection questionnaire and the Visual Analog Pain (VAS) scale to measure the pain index and the presence of associated neuropathic pain. In addition, evaluation of the quality of life and functionality using the EQ5D and SF12 questionnaires and their relationship with cases of neuropathic pain were performed. RESULTS One hundred twenty-six patients were evaluated, and 71.4 % were female. The age ranged from 46 to 85 years, and about 70 % of the patients had some associated clinical comorbidity. Neuropathic pain was present in 28.6 % of the patients evaluated. Patients with neuropathic pain presented worse results in the VAS evaluation, in the care, pain, and anxiety domains of the EQ5D, and in the physical and mental scores of the SF12. CONCLUSION Neuropathic pain was present in 28.6 % of the patients with knee OA who are candidates for arthroplasty. Patients with associated neuropathic pain present a higher level of pain and worse quality of life scores. Recognizing this type of pathology is extremely important in fully monitoring gonarthrosis.
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Affiliation(s)
- Camilo Partezani Helito
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil; Hospital Sírio Libanês, São Paulo, SP, Brazil
| | - Fernando Sant'Anna Moreira
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | - Matheus Augusto Maciel Santiago
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | - Lucas de Faria Barros Medeiros
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | - Pedro Nogueira Giglio
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | - Andre Giardino Moreira da Silva
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil.
| | - Riccardo Gomes Gobbi
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
| | - José Ricardo Pécora
- Grupo de Joelho, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo (HCFMUSP), São Paulo, SP, Brazil
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Wan D, Wang R, Wei J, Zan Q, Shang L, Ma J, Yao S, Xu C. Mapping knowledge landscapes and emerging trends of robotic-assisted knee arthroplasty: A bibliometric analysis. Medicine (Baltimore) 2023; 102:e35076. [PMID: 37746959 PMCID: PMC10519459 DOI: 10.1097/md.0000000000035076] [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: 07/10/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 09/26/2023] Open
Abstract
The robotic-assisted knee arthroplasty has gained increasing attention in the research field. To date, no comprehensive bibliometric analysis has been carried out on this topic. The present study aimed to introduce the research status and hotspots and explore the field of robotic-assisted knee arthroplasty from a bibliometric perspective. The Web of Science Core Collection database was utilized to retrieve articles and reviews on robotic-assisted knee arthroplasty published between 1993 and 2023. CiteSpace, VOSviewer, Scimago Graphica, Pajek, and a bibliometric online analysis platform (http://bibliometric.com/) were employed to analyze the regions, institutions, journals, authors, and keywords, aiming to predict the latest trends in research related to robotic-assisted knee arthroplasty. This study encompasses 697 records. The annual publication count pertaining to robotic-assisted knee arthroplasty demonstrates consistent growth. The United States leads with the highest number of studies (298), trailed by the United Kingdom (110) and France (49). The Hospital for Special Surgery emerges as the most prolific institution, while Professor Mont, Michael A holds significant author influence. The Journal of Arthroplasty reigns supreme in this field, boasting the highest publication and citation figures. Funding sources predominantly include Stryker (34), Smith Nephew (19), and the National Natural Science Foundation of China (17). Noteworthy research themes within robotic-assisted knee arthroplasty encompass patient satisfaction, kinematic alignment, and clinical benefits. The landscape of robotic-assisted knee arthroplasty research is thriving. Anticipated trajectories of research will be geared toward refining the precision of robotic technology and enhancing clinical outcomes within the realm of robotic-assisted knee arthroplasty.
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Affiliation(s)
- Dongping Wan
- Department of Knee Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi Province, China
- The First Clinical Medical College, Shaanxi University of Chinese Medicine, Xi’an, Shaanxi Province, China
| | - Rui Wang
- The First Clinical Medical College, Shaanxi University of Chinese Medicine, Xi’an, Shaanxi Province, China
| | - Jie Wei
- State Key Laboratory of Cancer Biology, Department of Pathology, The First Affiliated Hospital of Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Qiang Zan
- Department of Knee Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi Province, China
| | - Lei Shang
- Department of Health Statistics, Faculty of Preventive Medicine, the Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Jianbing Ma
- Department of Knee Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi Province, China
| | - Shuxin Yao
- Department of Knee Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi Province, China
| | - Chao Xu
- Department of Knee Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an, Shaanxi Province, China
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Barahona M, Bustos F, Navarro T, Chamorro P, Barahona MA, Carvajal S, Brañes J, Hinzpeter J, Barrientos C, Infante C. Similar Patient Satisfaction and Quality of Life Improvement Achieved with TKA and THA According to the Goodman Scale: A Comparative Study. J Clin Med 2023; 12:6096. [PMID: 37763035 PMCID: PMC10532345 DOI: 10.3390/jcm12186096] [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: 08/22/2023] [Revised: 09/11/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Background: Total knee arthroplasty (TKA) and total hip arthroplasty (THA) are effective treatments for severe knee and hip osteoarthritis. Historically, TKA has been associated with lower satisfaction than THA, but recent advances in knee surgery have led to lower dissatisfaction rates. This study aimed to compare the satisfaction and self-reported improvement in the quality of life of two cohorts of patients who underwent TKA and THA, respectively. Methods: This observational study compared two previously published cohorts of patients who underwent THA and TKA in a single university center. The Goodman scale was used to assess satisfaction and self-perception of improved quality of life after TKA and THA at a minimum one-year follow-up. Propensity score matching was used to balance age, gender, and follow-up between groups. Significance was set at 0.05. Results: The study included a total of 105 THAs and 131 TKAs. Both groups had high levels of satisfaction with pain relief, ability to do house/yard work, and overall satisfaction, with above 90% satisfaction rates. Regarding improvement in quality of life, both groups had 86% of patients reporting improvement as "much better." After propensity score matching, no significant difference was found between THA and TKA for any of the comparisons made using the Goodman scale. Conclusions: The study showed that both TKA and THA resulted in high levels of satisfaction and improvement in quality of life. There was no significant difference in satisfaction rates between TKA and THA, contrary to the historical trend of lower satisfaction rates for TKA.
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Affiliation(s)
- Maximiliano Barahona
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
| | - Felipe Bustos
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
| | - Tomás Navarro
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
| | - Pablo Chamorro
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
| | - Macarena Alejandra Barahona
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
| | - Sebastián Carvajal
- Department of Orthopaedic Surgery, Hospital del Salvador, Providencia, Santiago 7500922, Chile
| | - Julian Brañes
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
| | - Jaime Hinzpeter
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
| | - Cristian Barrientos
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
- Department of Orthopaedic Surgery, Hospital del Salvador, Providencia, Santiago 7500922, Chile
| | - Carlos Infante
- Department of Orthopaedic Surgery, Hospital Clínico Universidad de Chile, Independencia, Santiago 8380420, Chile (C.I.)
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Barahona M, Barrientos C, Alegría A, Barahona MA, Navarro T, Hinzpeter J, Palet M, Zamorano Á, Catalán J, Infante C. Anterior knee pain and sit-up tests predicts patients' satisfaction and improvement in quality of life after anterior stabilized total knee replacement without patellar resurfacing. J Exp Orthop 2023; 10:73. [PMID: 37493976 PMCID: PMC10371966 DOI: 10.1186/s40634-023-00641-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 07/18/2023] [Indexed: 07/27/2023] Open
Abstract
PURPOSE The purpose of this study was to assess patient satisfaction and identify risk factors for dissatisfaction after anterior stabilised conventional total knee arthroplasty (TKA) without patellar resurfacing, using the Goodman score. METHODS We conducted a cross-sectional study using data from our institutional database from 1 January 2018 to 1 March 2021. Patients who underwent TKA with the Vanguard® Cruciate Retaining Anterior Stabilized Knee System (Zimmer Biomet, Warsaw, Indiana, USA) without patellar replacement were included. Patients with other bearing surfaces (posterior stabilised or medial congruent) or diagnosed with infection or instability were excluded. Patients' reported outcomes, body mass index (BMI), passive range of motion, the timed up-and-go test, sit-up test, and algometry were assessed. Patients were also asked if they had anterior knee pain. Satisfaction was assessed using the Goodman scale, and logistic multivariate regression was used to identify variables associated with dissatisfaction and perceived improvement in quality of life. RESULTS A total of 131 TKA patients were included in the study. The median satisfaction score was 100 (interquartile range [IQR], 87.5 to 100), with the 75-point threshold at the 90th percentile according to Section A of Goodman. Section B of Goodman showed that 113 TKA patients (86.26%) reported "great improvement" or "more than I ever dreamed." Multivariate logistic regression revealed that anterior knee pain (OR 5.16, 95% CI 1.24 to 21.39), the sit-up test (OR 0.63, 95% CI 0.49 to 0.81), and BMI (OR 0.84, 95% CI 0.70 to 0.99) were significantly associated with patient dissatisfaction and a worse perceived improvement in quality of life. The receiver operating characteristics curve for the models had areas under the curve of 0.83 (95% CI 0.69 to 0.97) and 0.82 (95% CI 0.70 to 0.94), respectively. CONCLUSION Anterior stabilised TKA without patellar resurfacing can achieve 90% satisfaction and 86% improvement in quality of life. To improve these results, it is essential to prevent and treat anterior knee pain and enhance quadriceps strength. LEVEL OF EVIDENCE Level III (retrospective cohort study).
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Affiliation(s)
- Maximiliano Barahona
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile.
| | - Cristian Barrientos
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Anselmo Alegría
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Macarena A Barahona
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Tomas Navarro
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Jaime Hinzpeter
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Miguel Palet
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Álvaro Zamorano
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Jaime Catalán
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
| | - Carlos Infante
- Orthopaedic Department at Hospital Clinico Universidad de Chile, 999 Carlos Lorca Tobar Street, 3Rd Floor, Office 351. Independencia, Santiago, Chile
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Okayoshi T, Okamoto Y, Wakama H, Otsuki S, Neo M. The flexion-extension gap is predictive of patient-reported outcome measures after cruciate-retaining total knee arthroplasty. Knee 2023; 41:150-160. [PMID: 36702049 DOI: 10.1016/j.knee.2022.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 11/13/2022] [Accepted: 12/21/2022] [Indexed: 01/25/2023]
Abstract
BACKGROUND We aimed to evaluate the association between the flexion-extension gap difference and patient-reported outcome measures after total knee arthroplasty (TKA). METHODS This was a retrospective case-control study of 60 cruciate-retaining single-radius TKAs. Soft tissue balancing was measured using an offset seesaw tensioner and centre-type digital knee balancer under joint distraction forces of 20-50 lbf and 1.5 times body mass index (1.5 BMI). At the last follow up of 2.0-6.5 (mean, 4.5) years postoperatively, patients were asked if they perceived their knee joint as 'natural' (26 knees) or 'artificial' (34 knees). Age, sex, and the flexion-extension gap were compared between the two groups. A receiver operating characteristic curve was used to determine cut-off values of variables predictive of a natural joint perception. RESULTS Natural joint perception was associated with a greater flexion-extension gap difference under a distraction force of 1.5 BMI (P = 0.016), higher knee function (Knee Injury and Osteoarthritis Outcome Score for Joint Replacement, P = 0.019), and quality of life (EuroQol 5-Dimension, P = 0.029). A gap difference of 0.95 mm under 1.5 BMI distraction predicted a natural joint perception post-TKA (sensitivity, 97.1%; specificity, 88.5%). Using a gap threshold of 1.0 mm under a 1.5 BMI distraction force yielded significant between-group differences in postoperative flexion (P = 0.040), satisfaction (P = 0.043), knee joint function (P < 0.001), quality of life (P = 0.032), and posterior femoral condylar offset (P = 0.037) CONCLUSION: A flexion-extension gap difference ≥1.0 mm under a distraction force of 1.5 BMI predicted superior outcomes, including patient satisfaction, after cruciate-retaining TKA. It was suggested that posterior femoral condylar offset could influence this finding.
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Affiliation(s)
- Tomohiro Okayoshi
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7 Daigaku-machi, Takatsuki 569-8686, Japan
| | - Yoshinori Okamoto
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7 Daigaku-machi, Takatsuki 569-8686, Japan.
| | - Hitoshi Wakama
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7 Daigaku-machi, Takatsuki 569-8686, Japan
| | - Shuhei Otsuki
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7 Daigaku-machi, Takatsuki 569-8686, Japan
| | - Masashi Neo
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7 Daigaku-machi, Takatsuki 569-8686, Japan
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Gousopoulos L, Dobbelaere A, Ratano S, Bondoux L, Tibesku CO, Aït-Si-Selmi T, Bonnin MP. Custom total knee arthroplasty combined with personalised alignment grants 94% patient satisfaction at minimum follow-up of 2 years. Knee Surg Sports Traumatol Arthrosc 2023; 31:1276-1283. [PMID: 36656348 DOI: 10.1007/s00167-023-07318-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/05/2023] [Indexed: 01/20/2023]
Abstract
PURPOSE The purpose was to report detailed patient-reported outcome measures (PROMs) and satisfaction rates for computed tomography (CT)-based custom TKA at minimum follow-up of 2 years. The hypothesis was that custom TKA combined with 'personalised alignment' would yield equivalent or better PROMs compared to values reported in systematic reviews and meta-analyses on off-the-shelf (OTS) TKA. METHODS Of an initial cohort of 150 custom TKAs, four died (unrelated to surgery), one required a revision, and five refused participation, leaving 140 patients for analysis. Patients completed pre- and post-operative PROMs (Oxford Knee Score (OKS), Forgotten Joint Score (FJS), Knee injury and Osteoarthritis Outcome Score (KOOS), Western Ontario and McMaster osteoarthritis index (WOMAC)) as well as overall level of satisfaction. Proportions that attained a patient acceptable symptom state (PASS) were calculated for OKS and FJS. Clinical findings were compared to the average scores reported for PROMs in recent systematic reviews and/or meta-analyses on OTS TKA. Descriptive statistics were used to summarise the clinical findings as means, standard deviations (SD) and ranges, or numbers and percentages. RESULTS At mean follow-up 33.5 ± 4.5 months, 94% (135/143) were either satisfied or very satisfied. Proportions that achieved PASS were 89% for OKS (120/135), and 85% for FJS (118/139). Median OKS, WOMAC and KOOS Symptoms and Pain scores were all within the 4th quartile of medians reported in systematic reviews and/or meta-analyses. CONCLUSIONS At a minimum follow-up of two years following custom TKA combined with 'personalised alignment', 94% of patients were either satisfied or very satisfied, and the PASS criteria were achieved in 89% for OKS and 85% for FJS, all of which compare favourably to published outcomes of OTS TKA. Direct comparisons to the literature may not be appropriate, however, considering the heterogeneity of patient demographics and alignment techniques. Randomised controlled trials with sufficient statistical power are needed to corroborate these findings and generalise them to unselected TKA patients. LEVEL OF EVIDENCE IV, retrospective cohort study.
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Affiliation(s)
- Lampros Gousopoulos
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Andreas Dobbelaere
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Salvatore Ratano
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Louka Bondoux
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | | | - Tarik Aït-Si-Selmi
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
| | - Michel P Bonnin
- Ramsay Santé, Hôpital Privé Jean Mermoz, Centre Orthopédique Santy, Lyon, France
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Zhou Y, Dowsey M, Spelman T, Choong P, Schilling C. SMART choice (knee) tool: a patient-focused predictive model to predict improvement in health-related quality of life after total knee arthroplasty. ANZ J Surg 2023; 93:316-327. [PMID: 36637215 DOI: 10.1111/ans.18250] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 12/11/2022] [Accepted: 12/21/2022] [Indexed: 01/14/2023]
Abstract
BACKGROUND Current predictive tools for TKA focus on clinicians rather than patients as the intended user. The purpose of this study was to develop a patient-focused model to predict health-related quality of life outcomes at 1-year post-TKA. METHODS Patients who underwent primary TKA for osteoarthritis from a tertiary institutional registry after January 2006 were analysed. The primary outcome was improvement after TKA defined by the minimal clinically important difference in utility score at 1-year post-surgery. Potential predictors included demographic information, comorbidities, lifestyle factors, and patient-reported outcome measures. Four models were developed, including both conventional statistics and machine learning (artificial intelligence) methods: logistic regression, classification tree, extreme gradient boosted trees, and random forest models. Models were evaluated using discrimination and calibration metrics. RESULTS A total of 3755 patients were included in the study. The logistic regression model performed the best with respect to both discrimination (AUC = 0.712) and calibration (intercept = -0.083, slope = 1.123, Brier score = 0.202). Less than 2% (n = 52) of the data were missing and therefore removed for complete case analysis. The final model used age (categorical), sex, baseline utility score, and baseline Veterans-RAND 12 responses as predictors. CONCLUSION The logistic regression model performed better than machine learning algorithms with respect to AUC and calibration plot. The logistic regression model was well calibrated enough to stratify patients into risk deciles based on their likelihood of improvement after surgery. Further research is required to evaluate the performance of predictive tools through pragmatic clinical trials. LEVEL OF EVIDENCE Level II, decision analysis.
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Affiliation(s)
- Yushy Zhou
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Michelle Dowsey
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Tim Spelman
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Peter Choong
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Chris Schilling
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
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