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Vogel N, Kaelin R, Arnold MP. Custom total knee arthroplasty with personalised alignment showed better 2-year functional outcome compared to off-the-shelf arthroplasty. Knee Surg Sports Traumatol Arthrosc 2024. [PMID: 38881354 DOI: 10.1002/ksa.12309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/27/2024] [Accepted: 05/27/2024] [Indexed: 06/18/2024]
Abstract
PURPOSE Customised individually made (CIM) total knee arthroplasty (TKA) with personalised alignment is relatively new and evidence is limited. The aim of this study was to compare patient-reported outcome measures between CIM and off-the-shelf (OTS) TKA patients in a matched-pair analysis with a 2-year follow-up. METHODS In this single-centre, prospective cohort study, propensity score matching was performed on 51 CIM and 51 OTS TKA. Data were measured at baseline, at 4 months, 1 and 2 years and included the Forgotten Joint Score (FJS-12), the High Activity Arthroplasty Score (HAAS), the Knee injury and Osteoarthritis Outcome Score (KOOS), the EQ-5D-3L, the EQ-Visual Analogue Scale, satisfaction, overall knee improvement, willingness to undergo the surgery again and the Knee Society Score. RESULTS At 2 years follow-up, the FJS-12 (77 vs. 67, p = .058), HAAS (13 vs. 11, p < .001), KOOS daily living (92 vs. 86, p = .029), KOOS sport (76 vs. 65, p = .019), KOOS quality of life (81 vs. 71, p = .028) and the EQ-5D (.95 vs. .90, p = .030) were higher for CIM TKA compared to OTS TKA. Satisfaction rate was 92% for CIM TKA and 84% for OTS TKA (p = .357). Most patients reported an improvement in the overall knee state (94% CIM and 90% OTS, p = .487) and almost all patients would undergo the surgery again (96% CIM and 98% OTS, p = .999). CONCLUSION The current study found that CIM TKA patients had better functional outcomes at 2 years. Patient satisfaction was high and not statistically significantly different from OTS TKA patients. LEVEL OF EVIDENCE Level II prospective cohort study.
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Affiliation(s)
- Nicole Vogel
- Practice MEIN KNIE, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Raphael Kaelin
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland
| | - Markus P Arnold
- Practice MEIN KNIE, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
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Vogel N, Kaelin R, Rychen T, Wendelspiess S, Müller-Gerbl M, Arnold MP. Comparison of Responsiveness of Patient-Reported Outcome Measures After Total Knee Arthroplasty. J Arthroplasty 2024; 39:1487-1495.e2. [PMID: 38043745 DOI: 10.1016/j.arth.2023.11.029] [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: 06/28/2023] [Revised: 11/21/2023] [Accepted: 11/25/2023] [Indexed: 12/05/2023] Open
Abstract
BACKGROUND The aim of this study was to evaluate the responsiveness of different patient-reported outcome measures in patients with primary total knee arthroplasty (TKA). METHODS In this prospective observational study, we assessed patients with TKA before the surgery, after 4 months, after 1 year, and after 2 years. Measures were the objective Knee Society Score (KSS) and the following patient-reported outcome measures: Knee injury and Osteoarthritis Outcome Score (KOOS), KOOS-12, Forgotten Joint Score (FJS-12), High-Activity Arthroplasty Score, and EQ-5D-3L. Responsiveness was determined by effect size (ES), standardized response mean (SRM), area under the receiver operating characteristics curve, floor and ceiling effects, and hypothesis testing. RESULTS We analyzed data from 309 TKAs (272 patients, 56% female). The ES and SRM for the change in KSS, KOOS, KOOS-12, FJS-12, and EQ-5D-3L from baseline to each follow-up were large (>0.8). The largest responsiveness from baseline to follow-up was found for the KSS, KOOS/KOOS-12 quality of life, KOOS-12 summary, KOOS-12 pain, and FJS-12 (2.0 > ES <3.9, 1.4 > SRM <2.4). The area under the curve from baseline to each follow-up was ≥0.7 for KOOS, KOOS-12, and FJS-12 (range 0.71 to 0.95) and <0.7 for KSS and EQ-5D-3L (range 0.65 to 0.74). We found floor or ceiling effects in the KOOS, KOOS-12, and EQ-5D-3L, but not in the KSS, FJS-12, and High-Activity Arthroplasty Score. CONCLUSIONS Our study demonstrated that responsiveness differed between the various measures. The KOOS-12 and FJS-12 showed the greatest internal and external responsiveness, although ceiling effects occurred in the KOOS-12.
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Affiliation(s)
- Nicole Vogel
- Practice MEIN KNIE, Hirslanden Klinik Birshof, Münchenstein, Switzerland; Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland; Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Raphael Kaelin
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland
| | - Thomas Rychen
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland
| | - Séverin Wendelspiess
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland; Faculty of Medicine, University of Basel, Basel, Switzerland
| | | | - Markus P Arnold
- Practice MEIN KNIE, Hirslanden Klinik Birshof, Münchenstein, Switzerland; Faculty of Medicine, University of Basel, Basel, Switzerland
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Vogel N, Kaelin R, Rychen T, Wendelspiess S, Müller-Gerbl M, Arnold MP. High Expectations Among Patients Who Have Undergone TKA Do Not Correlate With Satisfaction. Clin Orthop Relat Res 2024; 482:756-765. [PMID: 38416118 PMCID: PMC11008661 DOI: 10.1097/corr.0000000000003010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/24/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND One of five patients is dissatisfied with the outcome of TKA. With the increasing number of TKAs, this affects many patients. It has been suggested that high expectations may influence satisfaction, but the relationship between preoperative patient expectations and postoperative patient satisfaction remains poorly understood. QUESTIONS/PURPOSES (1) Are preoperative patient expectations correlated with postoperative satisfaction? (2) Are expectations correlated with patient characteristics or patient-reported outcome measures (PROMs)? (3) Is satisfaction correlated with patient characteristics or PROMs? (4) Do patients report specific items as more relevant to their expectations? METHODS This was a single-center, observational, retrospective, comparative study involving patients who underwent TKA. Between December 2020 and June 2022, three senior surgeons performed 306 TKAs. Of these, 76% (234) had the preoperative PROMs required for this study, and of these, 82% (193) had completed PROMs at the 12-month follow-up interval and were analyzed. Of the 193 included patients, 53% (102) were women; the mean age was 68 ± 9 years. Data were collected at baseline, 4 months, and 12 months. Twelve months of follow-up has been shown to be adequate in studies with PROMs. Patient expectations were measured using the validated Hospital for Special Surgery Knee Replacement Expectation Survey on a scale from 0 to 100, with higher scores indicating higher expectations. We also assessed patient satisfaction, the Knee injury and Osteoarthritis Outcome Score, Forgotten Joint Score, High-Activity Arthroplasty Score, EQ-5D-3L, and the objective Knee Society Score. Bivariate linear correlations were analyzed using the Pearson or Spearman test. RESULTS Preoperative patient expectations did not correlate with postoperative satisfaction. The mean Hospital for Special Surgery Knee Replacement Expectation Survey score was 82 ±16 points and did not correlate with satisfaction at either 4 months (r = -0.061; p = 0.42) or 12 months (r = -0.126; p = 0.11). Expectations did not correlate with patient characteristics or any of the preoperative or postoperative PROMs or the Knee Society Score. Patient satisfaction was 88% (158 of 179) at 4 months and 83% (160 of 193) at 12 months and did not correlate with patient characteristics or any of the preoperative PROMs or Knee Society Score. Patient satisfaction was medium to strongly correlated with postoperative PROMs and Knee Society Score. The Hospital for Special Surgery Knee Replacement Expectation Survey items with the most frequent expected improvement were "ability to walk" (99% [192 of 193]), "go downstairs" (99% [191 of 192]), and "go upstairs" (99% [192 of 193]). CONCLUSION Preoperative expectations were not correlated with postoperative satisfaction or PROMs. Surgeons should be aware that patients have high expectations. However, these expectations appear to be less relevant in determining postoperative satisfaction. LEVEL OF EVIDENCE Level III, therapeutic study.
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Affiliation(s)
- Nicole Vogel
- Practice Mein Knie, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Practice Leonardo, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Raphael Kaelin
- Practice Leonardo, Hirslanden Klinik Birshof, Münchenstein, Switzerland
| | - Thomas Rychen
- Practice Leonardo, Hirslanden Klinik Birshof, Münchenstein, Switzerland
| | - Séverin Wendelspiess
- Practice Leonardo, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | | | - Markus P. Arnold
- Practice Mein Knie, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
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Yao R, Yang L, Wang J, Zhou Q, Li X, Yan Z, Fu Y. Reliability, validity, and responsiveness of the simplified Chinese version of the knee injury and Osteoarthritis Outcome Score in patients after total knee arthroplasty. Heliyon 2024; 10:e26786. [PMID: 38434342 PMCID: PMC10904241 DOI: 10.1016/j.heliyon.2024.e26786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/20/2024] [Accepted: 02/20/2024] [Indexed: 03/05/2024] Open
Abstract
Objectives The Knee Injury and Osteoarthritis Outcome Score (KOOS) has been utilized to evaluate short- and long-term outcomes in individuals following knee injuries, such as those with anterior cruciate ligament reconstruction and knee osteoarthritis, but has not yet been applied to individuals undergoing total knee arthroplasty (TKA) in China. The aim of this study was to assess the psychometric properties of the Simplified Chinese version of the KOOS in Chinese individuals undergoing TKA. Methods This study distributed 170 questionnaires, and assessed the KOOS of the participants, along with requiring them to complete the Short Form 36 (SF-36) survey. There were 35 participants completed a test-retest reliability survey with a 24-h interval, 129 participants completed a pre - surgery survey, and 119 individuals completed a post - surgery survey 6 weeks after the surgery. The following tests were conducted: Cronbach's alpha (α) to assess internal consistency, intraclass correlation coefficient (ICC) to evaluate test-retest reliability, Spearman's correlation coefficient (ρ) to examine construct validity, effect size (ES) to detect measure responsiveness, minimal detectable change (MDC) to assess measurement errors. Floor and ceiling effects (<15%) were also asses evaluated. Results The simplified Chinese version of the KOOS showed good test-retest reliability in participants after TKA, with an ICC of 0.82-0.97 (95% CI). The internal consistency of the five subscales of the KOOS was good (Cronbach's α = 0.70-0.96). No floor or ceiling effects were found. Regarding construct validity, a strong positive correlation was found between each of the three KOOS subscales (activities of daily living, knee-related Quality of Life, and sport and recreation subscales) and the general health and bodily pain subscales of the SF-36 (0.53 < ρ < 0.61). The subscales of the simplified Chinese version of the KOOS showed responsiveness (ES: 0.68 to 0.86) before and after 6 weeks of physical treatment. The MDC ranged from 10.28 to 23.24. Conclusions The Chinese version of the KOOS showed good psychometric properties and was found to be valid, reliable, and simple as an assessment tool for symptoms, pain, activity of daily living, sports and recreational activity and quality of life for the Chinese population suffering from TKA.
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Affiliation(s)
- Runlan Yao
- College of Nursing, Dali University, China
| | - Liying Yang
- Biomechanics and Sports Research Unit, Faculty of Physical Therapy, Mahidol University, Thailand
| | - Jianhua Wang
- College of Clinical Medicine, Dali University, China
| | - Qiao Zhou
- College of Nursing, Dali University, China
| | - Xucheng Li
- College of Nursing, Dali University, China
| | - Ziqing Yan
- College of Nursing, Dali University, China
| | - Yanfen Fu
- College of Nursing, Dali University, China
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Rossi SMP, Sangaletti R, Jannelli E, Bova D, Montagna A, Benazzo F. PCL preservation or sacrifice does not influence clinical outcomes and survivorship at mid-term follow-up of a J-curve CR total knee replacement with a medial congruent liner and a functional coronal alignment. Arch Orthop Trauma Surg 2024; 144:307-313. [PMID: 37612567 DOI: 10.1007/s00402-023-05033-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/09/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND In recent years, increasing interest has arisen for medial pivoting TKA implants, designed to mimic the physiological knee kinematics, maximizing the contact area on the medial compartment of the knee, increasing anterior-posterior stability, and contributing to a ball-in-socket effect that allows the posterior cruciate sacrifice without a post-CAM mechanism. The medial congruent liner works with a J-curve cruciate-retaining (CR) femur without a real ball-in-socket design. The aim of this study was to evaluate the clinical outcomes and survival of these implants, with or without PCL sparing, at a medium follow-up. METHODS Between October 2016 and October 2018, 165 TKRs were performed in 161 patients (69.2% females and 30.8% males) and prospectively followed. Mean follow-up was 72 ± 12 months. All surgeries were performed using an extramedullary device and the same prosthetic implant. Patients were matched in two groups: in 80 patients, the PCL was preserved; in 85 patients, the PCL was sacrificed with a reduction of the tibial slope. RESULTS The OKS and KSS improved in both groups. The difference between the two groups at the final follow-up was not statistically significant. Good-to-excellent clinical results according to the KSS were achieved in 93% of the knees in the PCP group and in 95% in the PCS group. At final follow-up, the Forgotten Joint Score (FJS) was 73.6 in the PCP group and 74.1 in the PCS group with no statistical difference between the two groups (P > 0.05). CONCLUSIONS TKA with a medially congruent insert, showed promising results at mid-term follow-up, PCL preservation or sacrifice did not affect the clinical outcomes and survival. Further follow-up will be needed to evaluate these results at long term.
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Affiliation(s)
- Stefano Marco Paolo Rossi
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy.
| | - Rudy Sangaletti
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
| | - Eugenio Jannelli
- Clinica Ortopedica e Traumatologica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Davide Bova
- U.O. Ortopedia e Traumatologia, Humanitas Mater Domini, Castellanza, Italy
| | - Alice Montagna
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
- Clinica Ortopedica e Traumatologica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Francesco Benazzo
- Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, UOC Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati, 57, 25124, Brescia, Italy
- IUSS, Istituto Universitario di Studi Superiori, Pavia, Italy
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Vogel N, Kaelin R, Rychen T, Wendelspiess S, Müller-Gerbl M, Arnold MP. Satisfaction after total knee arthroplasty: a prospective matched-pair analysis of patients with customised individually made and off-the-shelf implants. Knee Surg Sports Traumatol Arthrosc 2023; 31:5873-5884. [PMID: 37982843 PMCID: PMC10719143 DOI: 10.1007/s00167-023-07643-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 10/17/2023] [Indexed: 11/21/2023]
Abstract
PURPOSE Customised individually made (CIM) total knee arthroplasty (TKA) was introduced to potentially improve patient satisfaction and other patient-reported outcome measures (PROMs). The purpose of this study was to compare PROMs, especially patient satisfaction, of patients with CIM and OTS TKA in a matched-pair analysis with a 2-year follow-up. METHODS This is a prospective cohort study with a propensity score matching of 85 CIM and 85 off-the-shelf (OTS) TKA. Follow-up was at 4 months, 1 year and 2 years. The primary outcome was patient satisfaction. Secondary outcomes were as follows: overall improvement, willingness to undergo the surgery again, Knee injury and Osteoarthritis Outcome Score (KOOS), Forgotten Joint Score (FJS-12), High-Activity Arthroplasty Score (HAAS), EQ-5D-3L, EQ-VAS, Knee Society Score (KSS) and surgeon satisfaction. RESULTS Patient satisfaction ranged from 86 to 90% and did not differ between CIM and OTS TKA. The EQ-VAS after 4 months and the HAAS after 1 year and 2 years were higher for CIM TKA. KOOS, FJS-12 and EQ-5D-3L were not different at follow-up. The changes in KOOS symptoms, pain and daily living were higher for OTS TKA. The KSS was higher for patients with CIM TKA. Surgeon satisfaction was high throughout both groups. Patients who were satisfied after 2 years did not differ preoperatively from those who were not satisfied. Postoperatively, all PROMs were better for satisfied patients. Patient satisfaction was not correlated with patient characteristics, implant or preoperative PROMs, and medium to strongly correlated with postoperative PROMs. CONCLUSION Patient satisfaction was high with no differences between patients with CIM and OTS TKA. Both implant systems improved function, pain and health-related quality of life. Patients with CIM TKA showed superior results in demanding activities as measured by the HAAS. LEVEL OF EVIDENCE II, prospective cohort study.
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Affiliation(s)
- Nicole Vogel
- Practice MEIN KNIE, Hirslanden Klinik Birshof, Reinacherstrasse 42, 4142, Münchenstein, Switzerland.
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland.
- Faculty of Medicine, University of Basel, Basel, Switzerland.
| | - Raphael Kaelin
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland
| | - Thomas Rychen
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland
| | - Séverin Wendelspiess
- Practice LEONARDO, Hirslanden Klinik Birshof, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | | | - Markus P Arnold
- Practice MEIN KNIE, Hirslanden Klinik Birshof, Reinacherstrasse 42, 4142, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
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Golinelli D, Grassi A, Sanmarchi F, Tedesco D, Esposito F, Rosa S, Rucci P, Amabile M, Cosentino M, Bordini B, Fantini MP, Zaffagnini S. Identifying patient subgroups with different trends of patient-reported outcomes (PROMs) after elective knee arthroplasty. BMC Musculoskelet Disord 2023; 24:453. [PMID: 37270489 DOI: 10.1186/s12891-023-06373-2] [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: 01/19/2023] [Accepted: 03/25/2023] [Indexed: 06/05/2023] Open
Abstract
BACKGROUND Patient-reported outcome measures (PROMs) are increasingly being used to assess the effectiveness of elective total knee arthroplasty (TKA). However, little is known about how PROMs scores change over time in these patients. The aim of this study was to identify the trajectories of quality of life and joint functioning, and their associated demographic and clinical features in patients undergoing elective TKA. METHODS A prospective, cohort study was conducted, in which PROMs questionnaires (Euro Quality 5 Dimensions 3L, EQ-5D-3L, and Knee injury and Osteoarthritis Outcome Score Patient Satisfaction, KOOS-PS) were administered to patients at a single center undergoing elective TKA before surgery, and at 6 and 12 months after surgery. Latent class growth mixture models were used to analyze the patterns of change in PROMs scores over time. Multinomial logistic regression was used to investigate the association between patient characteristics and PROMs trajectories. RESULTS A total of 564 patients were included in the study. The analysis highlighted differential patterns of improvement after TKA. Three distinct PROMs trajectories were identified for each PROMs questionnaire, with one trajectory indicating the most favorable outcome. Female gender appears to be associated with a presentation to surgery with worse perceived quality of life and joint function than males, but also more rapid improvement after surgery. Having an ASA score greater than 3 is instead associated with a worse functional recovery after TKA. CONCLUSION The results suggest three main PROMs trajectories in patients undergoing elective TKA. Most patients reported improved quality of life and joint functioning at 6 months, which then stabilized. However, other subgroups showed more varied trajectories. Further research is needed to confirm these findings and to explore the potential clinical implications of these results.
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Affiliation(s)
- Davide Golinelli
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum - University of Bologna, Via San Giacomo 12, Bologna, 40126, Italy
| | - Alberto Grassi
- IIa Clinica Ortopedica e Traumatologica, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, 40136, Italy
| | - Francesco Sanmarchi
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum - University of Bologna, Via San Giacomo 12, Bologna, 40126, Italy.
| | - Dario Tedesco
- Directorate-General Personal Care, Health and Welfare, Emilia-Romagna Region, Viale Aldo Moro, 21, Bologna, 40127, Italy
| | - Francesco Esposito
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum - University of Bologna, Via San Giacomo 12, Bologna, 40126, Italy
| | - Simona Rosa
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum - University of Bologna, Via San Giacomo 12, Bologna, 40126, Italy
| | - Paola Rucci
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum - University of Bologna, Via San Giacomo 12, Bologna, 40126, Italy
| | - Marilina Amabile
- Laboratorio di Tecnologia Medica, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, 40136, Italy
| | - Monica Cosentino
- Laboratorio di Tecnologia Medica, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, 40136, Italy
| | - Barbara Bordini
- Laboratorio di Tecnologia Medica, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, 40136, Italy
| | - Maria Pia Fantini
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum - University of Bologna, Via San Giacomo 12, Bologna, 40126, Italy
| | - Stefano Zaffagnini
- IIa Clinica Ortopedica e Traumatologica, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna, 40136, Italy
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The German version of the High-Activity Arthroplasty Score is valid and reliable for patients after total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc 2022; 30:1204-1211. [PMID: 33770220 DOI: 10.1007/s00167-021-06531-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/04/2021] [Indexed: 01/16/2023]
Abstract
PURPOSE The indications for a total knee arthroplasty (TKA) broadened to younger and more active patients. The High-Activity Arthroplasty Score (HAAS) is a self-administered instrument focussing on the wider range of functional abilities of more active patients. The HAAS was developed in English and is not available in German yet. This study aims to translate, cross-cultural adapt and assess the psychometric properties of the German HAAS in patients 12 months after primary TKA. METHODS After forward and backward translation, we examined the final version regarding its psychometric properties in patients 12 months after primary TKA. The HAAS was sent out to 70 patients together with routine questionnaires comprising the Knee injury and Osteoarthritis Outcome Score (KOOS), the Forgotten Joint Score (FJS-12), the EuroQol (EQ-5D-3L) and 2 numerical pain rating scales. Acceptability, reliability, responsiveness, content and construct validity as well as floor and ceiling effects were evaluated. RESULTS Fifty-two patients were recruited. The HAAS was well accepted with a mean time to completion of 2.4 min. Cronbach's alpha for internal consistency was 0.749, test-retest reliability was excellent with an Intraclass Correlation Coefficient (ICC) of 0.961. The smallest detectable change was 1.5. Good content validity was confirmed. A strong correlation was found between the HAAS and KOOS sport (r = 0.661) and a medium correlation for all other KOOS subscales (r = 0.324 to 0.453), the FJS-12 (r = 0.425), the EQ-5D-3L (r = 0.427) and pain (r = - 0.439 to - 0.308). The HAAS showed no floor and ceiling effects. CONCLUSIONS The German version of the HAAS provides good validity and reliability. It can be easily self-administered and is recommended to capture high-intensity activities in patients after TKA. LEVEL OF EVIDENCE Diagnostic study, Level I.
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Wendelspiess S, Kaelin R, Vogel N, Rychen T, Arnold MP. No difference in patient-reported satisfaction after 12 months between customised individually made and off-the-shelf total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc 2022; 30:2948-2957. [PMID: 35149877 PMCID: PMC9418302 DOI: 10.1007/s00167-022-06900-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/16/2022] [Indexed: 11/27/2022]
Abstract
PURPOSE A subset of patients is usually not satisfied after a total knee arthroplasty (TKA). Customised individually made (CIM) TKA are deemed to overcome drawbacks of classical off-the-shelf (OTS) TKA, but evidence is still sparse. The aim of this study was to compare satisfaction of patients with CIM and OTS TKA. METHODS This prospective cohort study compared clinical and patient-reported outcome measures (PROM) between patients with CIM and OTS TKA. The primary outcome was patient satisfaction after 12 months. Secondary outcomes were the Knee Society Score (KSS), the Knee injury and Osteoarthritis Outcome Score (KOOS), the Forgotten Joint Score (FJS-12) and the EQ-5D-3L after 4 and 12 months. RESULTS Data were analysed from 74 CIM TKA and 169 OTS TKA between January 2017 and September 2020. Patients with CIM TKA were slightly younger, more often male, had a lower body mass index, a lower KSS and partially higher preoperative PROMs. Patient satisfaction after 12 months was high and comparable (CIM 87%, OTS 89%). All PROMs improved for both groups (p < 0.001) and did not differ after 12 months (p > 0.063). The majority of patients improved above the minimal important difference (range 65 to 89%) and reported a clear overall improvement (CIM 86%, OTS 87%). The postoperative KSS, notably regarding knee stability, was higher for CIM TKA (p < 0.001). CONCLUSION No difference was found in patient satisfaction between CIM and OTS TKA after 12 months. In both groups, patient satisfaction was high and PROMs improved considerably. LEVEL OF EVIDENCE II, prospective cohort study.
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Affiliation(s)
- Séverin Wendelspiess
- Practice LEONARDO, Hirslanden Clinic Birshof, Reinacherstrasse 28, 4142, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Raphael Kaelin
- Practice LEONARDO, Hirslanden Clinic Birshof, Reinacherstrasse 28, 4142, Münchenstein, Switzerland
| | - Nicole Vogel
- Practice LEONARDO, Hirslanden Clinic Birshof, Reinacherstrasse 28, 4142, Münchenstein, Switzerland.
- Faculty of Medicine, University of Basel, Basel, Switzerland.
| | - Thomas Rychen
- Practice LEONARDO, Hirslanden Clinic Birshof, Reinacherstrasse 28, 4142, Münchenstein, Switzerland
| | - Markus P Arnold
- Practice LEONARDO, Hirslanden Clinic Birshof, Reinacherstrasse 28, 4142, Münchenstein, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
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Moret CS, Hirschmann MT, Vogel N, Arnold MP. Customised, individually made total knee arthroplasty shows promising 1-year clinical and patient reported outcomes. Arch Orthop Trauma Surg 2021; 141:2217-2225. [PMID: 34269890 PMCID: PMC8595176 DOI: 10.1007/s00402-021-04045-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 07/01/2021] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Customised individually made (CIM) implants for total knee arthroplasty (TKA) were introduced about 10 years ago. These implants aim to reduce the risk of prosthesis-related issues resulting from anthropometric differences between different knees. The purpose of this study was to analyse the short-term clinical outcome and patient reported outcome measures (PROMs) of a specific CIM implant, the ORIGIN® knee replacement system (Symbios, Yverdon-les-Bains, Switzerland), which was introduced in 2018. MATERIALS AND METHODS This is a prospective cohort study of patients undergoing primary posterior-stabilised (PS) CIM TKA using the specific ORIGIN® knee replacement system, (Symbios, Yverdon-les-Bains, Switzerland). TKAs were performed from February 2019 to October 2020. Data was collected preoperatively and postoperatively at 4 and 12 months. Outcome measures included the objective part of the Knee Society Score (KSS) with the range of motion (ROM) and the following PROMs: the Knee injury and Osteoarthritis Outcome Score (KOOS), the Forgotten Joint Score (FJS-12), the EuroQol, five dimensions, three levels (EQ-5D-3L) with the EuroQol visual analogue scale (EQ-VAS) and patient satisfaction. Differences in pre- to preoperative data were assessed with paired sample t tests. A p value < 0.05 was considered significant. RESULTS Twenty-five CIM TKA (20 patients, 8 female) were included. The mean age at surgery was 66 years (SD, 6.9). At 4 and 12 months, significant improvements in the KSS (p < 0.001), the ROM (p < 0.001), all KOOS subscales (p < 0.001), the FJS (p < 0.001) and the EQ-5D-3L (p < 0.026) were found. Satisfaction rate was 91% and 88% at 4 and 12 months, respectively. Intraoperative complications did not occur and no revision surgeries were undertaken. CONCLUSIONS The present study demonstrated significant improvements in the KSS and specific PROMs 1 year after CIM TKA. This study suggests that CIM TKA is a safe and suitable option, which can yield good clinical outcome and PROMs at least during short-term follow-up.
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Affiliation(s)
- Céline S. Moret
- Department of Orthopaedic Surgery and Traumatology, University of Basel, Kantonsspital Baselland, 4101 Bruderholz, Switzerland
| | - Michael T. Hirschmann
- Department of Orthopaedic Surgery and Traumatology, University of Basel, Kantonsspital Baselland, 4101 Bruderholz, Switzerland
| | - Nicole Vogel
- Practice Leonardo, Hirslanden Klinik Birshof, Reinacherstrasse 28, 4142 Münchenstein, Switzerland
| | - Markus P. Arnold
- Practice Leonardo, Hirslanden Klinik Birshof, Reinacherstrasse 28, 4142 Münchenstein, Switzerland
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