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Picart B, Scaltsas A, Pujol N. Patellar resurfacing might not be mandatory in contralateral second total knee replacement even if performed during replacement of the first knee. Orthop Traumatol Surg Res 2024:103857. [PMID: 38447776 DOI: 10.1016/j.otsr.2024.103857] [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: 01/14/2023] [Revised: 10/23/2023] [Accepted: 02/06/2024] [Indexed: 03/08/2024]
Abstract
INTRODUCTION The appropriateness or necessity of patellar resurfacing in total knee arthroplasty (TKA) is not clearly established. The objective of the present study was to compare the clinical and functional results of patients with bilateral involvement, operated on in one knee by TKA with patellar resurfacing and in the other knee by TKA without resurfacing. The hypothesis was that there was no difference in results between the two sides. METHOD This was a retrospective cohort of patients operated on by TKA without patellar resurfacing in a second osteoarthritic knee after contralateral TKA with patellar resurfacing. Twenty consecutive patients who underwent second primary TKA constituted their own control group (40 knees). Iwano scores were comparable. Mean age was 75.9±6.2years. Mean time between the two procedures was 20.6±11.9months. RESULTS There were no differences in SF-36, KOOS or Lille patellofemoral scores between the right and left knees. Sixty-five percent of patients were unable to differentiate the performance of their knees in activities of daily living. CONCLUSION The present study did not differentiate results according to patellar resurfacing, showing the limitations of resurfacing for early functional gain after primary TKA. Resurfacing might thus not be essential, even if it was performed in replacement of the first knee. LEVEL OF EVIDENCE IV; retrospective cohort study.
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Affiliation(s)
- Baptiste Picart
- Service de Chirurgie Orthopédique, Centre Hospitalier de Versailles, 177, rue de Versailles, 78150 Le Chesnay, France
| | - Angelos Scaltsas
- Service de Chirurgie Orthopédique, Centre Hospitalier de Versailles, 177, rue de Versailles, 78150 Le Chesnay, France
| | - Nicolas Pujol
- Service de Chirurgie Orthopédique, Centre Hospitalier de Versailles, 177, rue de Versailles, 78150 Le Chesnay, France.
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Feng H, Feng ML, Cheng JB, Zhang X, Tao HC. Meta-analysis of factors influencing anterior knee pain after total knee arthroplasty. World J Orthop 2024; 15:180-191. [PMID: 38464355 PMCID: PMC10921178 DOI: 10.5312/wjo.v15.i2.180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/20/2023] [Accepted: 01/22/2024] [Indexed: 02/07/2024] Open
Abstract
BACKGROUND Total knee arthroplasty (TKA) is a mature procedure recommended for correcting knee osteoarthritis deformity, relieving pain, and restoring normal biomechanics. Although TKA is a successful and cost-effective procedure, patient dissatisfaction is as high as 50%. Knee pain after TKA is a significant cause of patient dissatisfaction; the most common location for residual pain is the anterior region. Between 4% and 40% of patients have anterior knee pain (AKP). AIM To investigate the effect of various TKA procedures on postoperative AKP. METHODS We searched PubMed, EMBASE, and Cochrane from January 2000 to September 2022. Randomized controlled trials with one intervention in the experimental group and no corresponding intervention (or other interventions) in the control group were collected. Two researchers independently read the title and abstract of the studies, preliminarily screened the articles, and read the full text in detail according to the selection criteria. Conflicts were resolved by consultation with a third researcher. And relevant data from the included studies were extracted and analyzed using Review Manager 5.4 software. RESULTS There were 25 randomized controlled trials; 13 were comparative studies with or without patellar resurfacing. The meta-analysis showed no significant difference between the experimental and control groups (P = 0.61). Six studies were comparative studies of circumpatellar denervation vs non-denervation, divided into three subgroups for meta-analysis. The two-subgroup meta-analysis showed no significant difference between the experimental and the control groups (P = 0.31, P = 0.50). One subgroup meta-analysis showed a significant difference between the experimental and control groups (P = 0.001). Two studies compared fixed-bearing TKA and mobile-bearing TKA; the results meta-analysis showed no significant difference between the experimental and control groups (P = 0.630). Two studies compared lateral retinacular release vs non-release; the meta-analysis showed a significant difference between the experimental and control groups (P = 0.002); two other studies compared other factors. CONCLUSION Patellar resurfacing, mobile-bearing TKA, and fixed-bearing TKA do not reduce the incidence of AKP. Lateral retinacular release can reduce AKP; however, whether circumpatellar denervation can reduce AKP is controversial.
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Affiliation(s)
- Hui Feng
- Department of Orthopaedic Surgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Ming-Li Feng
- Department of Orthopaedic Surgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Jing-Bo Cheng
- Department of Orthopaedic Surgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Xiang Zhang
- Department of Orthopaedic Surgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Hai-Cheng Tao
- Department of Orthopaedic Surgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
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Liu L, Li J, Wang Y, Li X, Han P, Li X. Different modalities of patellar management in primary total knee arthroplasty: a Bayesian network meta-analysis of randomized controlled trials. J Orthop Surg Res 2024; 19:74. [PMID: 38233873 DOI: 10.1186/s13018-024-04546-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/08/2024] [Indexed: 01/19/2024] Open
Abstract
BACKGROUND The primary management modalities for the patella in TKA include patellar resurfacing, patellar non-resurfacing, patellar resurfacing with denervation, and patellar non-resurfacing with denervation. Traditionally, meta-analyses have predominantly focused on examining comparisons between two management modalities. However, this study performed a network meta-analysis to compare all four patellar management interventions to identify the most optimal approach for patellar management in TKA. METHODS A computer-based search of PubMed, China National Knowledge Infrastructure (CNKI), The Cochrane Library, Web of science, Embase, and MEDLINE databases was performed to identify randomized controlled trials focusing on the four management interventions for the patella in TKA. Comparisons included two-by-two comparisons as well as those involving more than two concurrent comparisons. The search timeframe spanned from inception to June 30, 2023. Two independent authors extracted the data and evaluated the quality of the literature. The Cochrane Collaboration Risk of Bias (ROB) tool was used to evaluate the overall quality of the literature. Subsequently, a network meta-analysis was conducted using the "gemtc" package of the R-4.2.3 software. Outcome measures such as anterior knee pain (AKP), reoperation rate, and patient satisfaction rate were evaluated using odd ratio (OR) and 95% confidence intervals (CI). Additionally, the knee society score (KSS), function score (FS), and range of motion (ROM) were evaluated using mean differences (MD) with associated 95% CI. The different treatment measures were ranked using the surfaces under the cumulative ranking curves (SUCRA). RESULTS A total of 50 randomized controlled trials involving 9,283 patients were included in the analysis. The findings from this network meta-analysis revealed that patellar resurfacing exhibited significantly lower postoperative reoperation rate (OR 0.44, 95% CI 0.24-0.63) and AKP (OR 0.58, 95% CI 0.32-1) compared to non-resurfacing. Additionally, patellar resurfacing exhibited higher postoperative KSS clinical scores in comparison with non-resurfacing (MD: 1.13, 95% CI 0.18-2.11). However, for postoperative FS, ROM, and patient satisfaction, no significant differences were observed among the four management interventions. CONCLUSION Patellar resurfacing emerges as the optimal management modality in primary TKA. However, future studies should aim to reduce sources of heterogeneity and minimize the influence of confounding factors on outcomes. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42023434418 identifier: CRD42023434418.
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Affiliation(s)
- Lun Liu
- Department of Orthopaedics, The Second People's Hospital of Changzhi City, No. 83, Heping West Street, Changzhi, 046000, Shanxi, China
- Graduate School, Changzhi Medical College, No. 161, Jiefang East Street, Changzhi, 046000, Shanxi, China
| | - Juebei Li
- Graduate School, Huazhong University of Science and Technology, No. 13, Hangkong Road, Wuhan, 430000, Hubei, China
| | - Yunlu Wang
- Department of Orthopaedics, The Second People's Hospital of Changzhi City, No. 83, Heping West Street, Changzhi, 046000, Shanxi, China
- Graduate School, Changzhi Medical College, No. 161, Jiefang East Street, Changzhi, 046000, Shanxi, China
| | - Xiyong Li
- Graduate School, Changzhi Medical College, No. 161, Jiefang East Street, Changzhi, 046000, Shanxi, China
- Department of Orthopaedics, Heping Hospital Affiliated To Changzhi Medical College, No. 110, Yan'an South Road, Changzhi, 046000, Shanxi, China
| | - Pengfei Han
- Department of Orthopaedics, Heping Hospital Affiliated To Changzhi Medical College, No. 110, Yan'an South Road, Changzhi, 046000, Shanxi, China.
| | - Xiaodong Li
- Department of Orthopaedics, The Second People's Hospital of Changzhi City, No. 83, Heping West Street, Changzhi, 046000, Shanxi, China.
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Srivastava AK. American Academy of Orthopaedic Surgeons Clinical Practice Guideline Summary of Surgical Management of Osteoarthritis of the Knee. J Am Acad Orthop Surg 2023; 31:1211-1220. [PMID: 37883429 DOI: 10.5435/jaaos-d-23-00338] [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] [Received: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 10/28/2023] Open
Abstract
The Surgical Management of Osteoarthritis of the Knee Evidence-Based Clinical Practice Guideline is based on a systematic review of published studies for surgical management of osteoarthritis of the knee in skeletally mature patients. This guideline contains 16 recommendations and seven options to assist orthopaedic surgeons and all qualified physicians with the surgical management of patients with osteoarthritis of the knee based on the best current available evidence. It is also intended to serve as an information resource for professional healthcare practitioners and developers of practice guidelines and recommendations. In addition to providing pragmatic practice recommendations, this guideline also highlights gaps in the literature and informs areas for future research and quality measure development.
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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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Simpson CJRW, Wright E, Ng N, Yap NJ, Ndou S, Scott CEH, Clement ND. Patellar resurfacing versus retention in cruciate-retaining and posterior-stabilized total knee arthroplasty. Bone Joint J 2023; 105-B:622-634. [PMID: 37257851 DOI: 10.1302/0301-620x.105b6.bjj-2022-0970.r2] [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] [Indexed: 06/02/2023]
Abstract
Aims This systematic review and meta-analysis aimed to compare the influence of patellar resurfacing following cruciate-retaining (CR) and posterior-stabilized (PS) total knee arthroplasty (TKA) on the incidence of anterior knee pain, knee-specific patient-reported outcome measures, complication rates, and reoperation rates. Methods A systematic review of MEDLINE, PubMed, and Google Scholar was performed to identify randomized controlled trials (RCTs) according to search criteria. Search terms used included: arthroplasty, replacement, knee (Mesh), TKA, prosthesis, patella, patellar resurfacing, and patellar retaining. RCTs that compared patellar resurfacing versus unresurfaced in primary TKA were included for further analysis. Studies were evaluated using the Scottish Intercollegiate Guidelines Network assessment tool for quality and minimization of bias. Data were synthesized and meta-analysis performed. Results There were 4,135 TKAs (2,068 resurfaced and 2,027 unresurfaced) identified in 35 separate cohorts from 33 peer-reviewed studies. Anterior knee pain rates were significantly higher in unresurfaced knees overall (odds ratio (OR) 1.84; 95% confidence interval (CI) 1.20 to 2.83; p = 0.006) but more specifically associated with CR implants (OR 1.95; 95% CI 1.0 to 3.52; p = 0.030). There was a significantly better Knee Society function score (mean difference (MD) -1.98; 95% CI -1.1 to -2.84; p < 0.001) and Oxford Knee Score (MD -2.24; 95% CI -0.07 to -4.41; p = 0.040) for PS implants when patellar resurfacing was performed, but these differences did not exceed the minimal clinically important difference for these scores. There were no significant differences in complication rates or infection rates according to implant design. There was an overall significantly higher reoperation rate for unresurfaced TKA (OR 1.46 (95% CI 1.04 to 2.06); p = 0.030) but there was no difference between PS or CR TKA. Conclusion Patellar resurfacing, when performed with CR implants, resulted in lower rates of anterior knee pain and, when used with a PS implant, yielded better knee-specific functional outcomes. Patellar resurfacing was associated with a lower risk of reoperation overall, but implant type did not influence this.
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Affiliation(s)
| | - Evan Wright
- Department of Trauma Orthopaedics, Queen Elizabeth University Hospital, Glasgow, UK
| | - Nathan Ng
- Edinburgh Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Ngee J Yap
- Edinburgh Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Solomon Ndou
- Edinburgh Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Chloe E H Scott
- Edinburgh Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
- University of Edinburgh, Edinburgh, UK
| | - Nick D Clement
- Edinburgh Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
- University of Edinburgh, Edinburgh, UK
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Patellar resurfacing was not associated with a clinically significant advantage when a modern patellar friendly total knee arthroplasty is employed: A systematic review and meta-analysis. Knee 2023; 41:329-341. [PMID: 36827957 DOI: 10.1016/j.knee.2023.01.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 02/26/2023]
Abstract
BACKGROUND Modern total knee arthroplasty (TKA) femoral components are designed to provide a more optimal articular surface for the patella whether or not it has been resurfaced. Previous systematic reviews comparing outcomes of patellar resurfacing and no resurfacing combine both historic and modern designs. AIMS The aim of this study was to investigate the effect of patellar resurfacing in modern "patellar friendly" implants on (1) incidence of anterior knee pain, (2) patient reported outcomes (3) complication rates, and (4) reoperation rates compared with unresurfaced patellae in primary TKA. METHODS MEDline, PubMed and google scholar studies were evaluated using SIGN assessment tool and data analysis was conducted using Review Manager 5.2 on only randomised controlled trials. The search terms were: arthroplasty, replacement, knee (Mesh), TKA, prosthesis, patella, patellar resurfacing, patellar retaining. RESULTS Thirty-two randomised controlled studies were identified that reported the type of TKA implant used: 11 used modern "patellar friendly" implants; and 21 older "patellar non-friendly" implants. Among "patellar friendly" TKAs there were no significant differences in anterior knee pain rates between resurfaced and unresurfaced groups. Patellar resurfacing with "patellar friendly" implants had significantly higher clinical (mean difference (MD) -0.77, p = 0.007) and functional (MD -1.87, p < 0.0001) knee society scores (KSS) than unresurfaced counterparts but these did not exceed the minimal clinically important difference (MCID). Resurfacing with "patellar friendly" implants was not associated with a significant (p = 0.59) difference in the Oxford knee score (OKS), in contrast when a "patellar non-friendly" implant was used there was a significant difference (MD 3.3, p = 0.005) in favour of resurfacing. There was an increased risk of reoperation for unresurfaced TKAs with "non-patellar friendly" implants (Odds ratio (OR) 1.68, 95% CI 1.03-2.74, p = 0.04), but not for unresurfaced patellae with "patellar friendly" implants (OR 1.17, CI 0.59-2.30). CONCLUSIONS Patellar resurfacing in combination with a modern patellar friendly implant was not associated with a lower rate of anterior knee pain, complications, or reoperations compared to not resurfacing, nor did it give a clinically significant improvement in knee specific function. In contrast patellar resurfacing in combination with a "non-friendly" TKA implant was associated with a significantly better OKS and lower reoperation rate. Implant design should be acknowledged when patellar resurfacing is being considered.
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Tang X, He Y, Pu S, Lei L, Ning N, Shi Y, Chen J, Zhou Z. Patellar Resurfacing in Primary Total Knee Arthroplasty: A Meta-analysis and Trial Sequential Analysis of 50 Randomized Controlled Trials. Orthop Surg 2022; 15:379-399. [PMID: 36479594 PMCID: PMC9891932 DOI: 10.1111/os.13392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE During total knee arthroplasty, femur and tibia parts are regularly replaced, while resurfacing the patellar or not is an ongoing discussion. To compare revision rate, anterior knee pain rate, patient-reported outcome measures, complication, radiographic, and clinical outcomes after patellar resurfacing versus non-resurfacing in total knee arthroplasty. METHODS PubMed, Medline, EMBASE, CENTRAL, and CINAHL databases were searched on 25 April 2021 to enroll randomized controlled trials that compared patellar resurfacing versus non-resurfacing. We used the grading of recommendations assessment, development and evaluation (GRADE) framework to assess the certainty of evidence. Our primary outcome was revision rate and secondary outcomes was anterior knee pain rate. Outcomes were pooled using the random-effect model and presented as risk ratio (RR), or mean difference (MD), with 95% confidence interval (CI). RESULTS Fifty studies (5586 knees) were included. Significant reductions in patellar revision rate (RR 0.41, 95% CI [0.19, 0.88]; P = 0.02; I2 = 24.20%) and non-patellar revision rate (RR 0.64, 95% CI [0.55, 0.75]; P < 0.001; I2 = 0%) were seen after patellar resurfacing. Patellar resurfacing significantly reduced the anterior knee pain rate than nonresurfacing (RR 0.72, 95% CI [0.57, 0.91]; P = 0.006; I2 = 69.5%). Significant differences in patient-reported outcome measures were found. However, these differences were inconsistent and lacked clinical importance. Patellar resurfacing resulted in a significant lower rate of patellar clunk (RR 0.58, 95% CI [0.38, 0.88]; P = 0.01; I2 = 0%), a higher patellar score (MD 1.24, 95% CI [0.67, 0.81]; P < 0.001; I2 = 73.8%), but prolonged surgical time (MD 8.59, 95% CI [5.27, 11.91]; P < 0.001; I2 = 88.8%). CONCLUSIONS The clear relationship is that patellar resurfacing reduces revisions, anterior knee pain, and patellar clunk. It will be interesting to compare the initial cost with the revision cost when required and cost-utility analysis with long-term results in future studies.
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Affiliation(s)
- Xiumei Tang
- West China School of Nursing, Sichuan University/Department of OrthopedicsWest China Hospital, Sichuan UniversityChengduChina
| | - Yue He
- West China School of Nursing, Sichuan University/Department of OrthopedicsWest China Hospital, Sichuan UniversityChengduChina
| | - Shi Pu
- Department of Nephrology, The Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao HospitalArmy Medical University (Third Military Medical University)ChongqingChina
| | - Lei Lei
- West China School of Nursing, Sichuan University/Department of OrthopedicsWest China Hospital, Sichuan UniversityChengduChina
| | - Ning Ning
- West China School of Nursing, Sichuan University/Department of OrthopedicsWest China Hospital, Sichuan UniversityChengduChina
| | - Yu Shi
- Department of Nephrology, The Key Laboratory for the Prevention and Treatment of Chronic Kidney Disease of Chongqing, Chongqing Clinical Research Center of Kidney and Urology Diseases, Xinqiao HospitalArmy Medical University (Third Military Medical University)ChongqingChina
| | - Jiali Chen
- West China School of Nursing, Sichuan University/Department of OrthopedicsWest China Hospital, Sichuan UniversityChengduChina
| | - Zongke Zhou
- Department of Orthopedics, West China Hospital/West China School of MedicineSichuan UniversityChengduChina
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Choi KY, In Y, Kim MS, Sohn S, Koh IJ. Is the patient aware of the difference between resurfaced and nonresurfaced patella after bilateral total knee arthroplasty? A systematic review of simultaneous bilateral randomized trials. Knee Surg Relat Res 2022; 34:4. [PMID: 35164884 PMCID: PMC8842956 DOI: 10.1186/s43019-022-00133-7] [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] [Received: 11/10/2021] [Accepted: 01/28/2022] [Indexed: 12/01/2022] Open
Abstract
Purpose The optimal practice of patellar management in total knee arthroplasty (TKA) remains controversial. This systematic review was conducted to compare patella-related (1) patient-reported outcome measures (PROMs), (2) clinical outcomes, and (3) reoperation rates after TKA with patellar resurfacing (PR) and nonresurfacing (NPR) in single patients undergoing bilateral patellar procedures during simultaneous bilateral TKA. Methods This review included prospective bilateral randomized trials investigating patella-related PROMs, clinical outcomes, and reoperation (secondary resurfacing and patellar component revision) and other patella-related complications in single patients undergoing randomly assigned PR and NPR during bilateral TKA. Results Six studies were included. There was no difference in PROMs between PR and NPR in five studies, whereas PR was found to be superior to NPR in one study. Five studies reported similar functional outcomes and complication rates between PR and NPR, while one study found better clinical outcomes and a lower complication rate in PR. Between-group secondary resurfacing and patellar revision rates were similar in all studies. Conclusions The majority of patients who underwent bilateral patellar procedures could not tell the difference between PR and NPR following bilateral TKA. There were no differences in clinical outcomes or reoperation and complication rates between PR and NPR. No evidence was found to support routine PR. Level of evidence: Therapeutic Level 1
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Grela M, Barrett M, Kunutsor SK, Blom AW, Whitehouse MR, Matharu GS. Clinical effectiveness of patellar resurfacing, no resurfacing and selective resurfacing in primary total knee replacement: systematic review and meta-analysis of interventional and observational evidence. BMC Musculoskelet Disord 2022; 23:932. [PMID: 36273138 PMCID: PMC9587662 DOI: 10.1186/s12891-022-05877-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 09/26/2022] [Indexed: 11/10/2022] Open
Abstract
Background Patellar resurfacing is optional during total knee replacement (TKR). Some surgeons always resurface the patella, some never resurface, and others selectively resurface. Which resurfacing strategy provides optimal outcomes is unclear. We assessed the effectiveness of patellar resurfacing, no resurfacing, and selective resurfacing in primary TKR. Methods A systematic review and meta-analysis was performed. MEDLINE, Embase, Web of Science, The Cochrane Library, and bibliographies were searched to November 2021 for randomised-control trials (RCTs) comparing outcomes for two or more resurfacing strategies (resurfacing, no resurfacing, or selective resurfacing) in primary TKR. Observational studies were included if limited or no RCTs existed for resurfacing comparisons. Outcomes assessed were patient reported outcome measures (PROMs), complications, and further surgery. Study-specific relative risks [RR] were aggregated using random-effects models. Quality of the evidence was assessed using GRADE. Results We identified 33 RCTs involving 5,540 TKRs (2,727 = resurfacing, 2,772 = no resurfacing, 41 = selective resurfacing). One trial reported on selective resurfacing. Patellar resurfacing reduced anterior knee pain compared with no resurfacing (RR = 0.65 (95% CI = 0.44–0.96)); there were no significant differences in PROMs. Resurfacing reduced the risk of revision surgery (RR = 0.63, CI = 0.42–0.94) and other complications (RR = 0.54, CI = 0.39–0.74) compared with no resurfacing. Quality of evidence ranged from high to very low. Limited observational evidence (5 studies, TKRs = 215,419) suggested selective resurfacing increased the revision risk (RR = 1.14, CI = 1.05–1.22) compared with resurfacing. Compared with no resurfacing, selective resurfacing had a higher risk of pain (RR = 1.25, CI = 1.04–1.50) and lower risk of revision (RR = 0.92, CI = 0.85–0.99). Conclusions Level 1 evidence supports TKR with patellar resurfacing over no resurfacing. Resurfacing has a reduced risk of anterior knee pain, revision surgery, and complications, despite PROMs being comparable. High-quality RCTs involving selective resurfacing, the most common strategy in the UK and other countries, are needed given the limited observational data suggests selective resurfacing may not be effective over other strategies. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-022-05877-7.
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Affiliation(s)
- Michal Grela
- Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Level 1 Learning and Research Building, Southmead Hospital, Westbury-On-Trym, Bristol, BS10 5NB, UK
| | - Matthew Barrett
- Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Level 1 Learning and Research Building, Southmead Hospital, Westbury-On-Trym, Bristol, BS10 5NB, UK
| | - Setor K Kunutsor
- Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Level 1 Learning and Research Building, Southmead Hospital, Westbury-On-Trym, Bristol, BS10 5NB, UK.,National Institute for Health Research Bristol Biomedical Research Centre, Bristol, UK
| | - Ashley W Blom
- Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Level 1 Learning and Research Building, Southmead Hospital, Westbury-On-Trym, Bristol, BS10 5NB, UK.,National Institute for Health Research Bristol Biomedical Research Centre, Bristol, UK
| | - Michael R Whitehouse
- Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Level 1 Learning and Research Building, Southmead Hospital, Westbury-On-Trym, Bristol, BS10 5NB, UK.,National Institute for Health Research Bristol Biomedical Research Centre, Bristol, UK
| | - Gulraj S Matharu
- Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Level 1 Learning and Research Building, Southmead Hospital, Westbury-On-Trym, Bristol, BS10 5NB, UK.
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11
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Deroche E, Batailler C, Swan J, Sappey-Marinier E, Neyret P, Servien E, Lustig S. No difference between resurfaced and non-resurfaced patellae with a modern prosthesis design: a prospective randomized study of 250 total knee arthroplasties. Knee Surg Sports Traumatol Arthrosc 2022; 30:1025-1038. [PMID: 33661323 DOI: 10.1007/s00167-021-06521-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 02/22/2021] [Indexed: 12/21/2022]
Abstract
PURPOSE Despite numerous well-conducted studies and meta-analyses, the management of the patella during total knee arthroplasty (TKA) remains controversial. The aim of our study was to compare the clinical and radiological outcomes between patients with and without patellar resurfacing and to determine the influence of resurfacing on patellar tracking with a "patella-friendly" prosthesis. METHODS A single-centered prospective randomized controlled study was performed between April 2017 and November 2018. Two hundred and forty-five consecutive patients (250 knees) scheduled for TKA were randomized for patellar resurfacing or patella non-resurfacing. All patients received the same total knee prosthesis and were evaluated clinically and radiologically, including the International Knee Society Score (KSS knee and function), Forgotten Joint Score (FJS), anterior knee pain (AKP), pain when climbing stairs, patellar tilt, and patellar translation. RESULTS Two hundred and twenty-nine knees were available for clinical evaluation and 221 knees for radiographic analysis. The revision rate for patellofemoral cause was 3.1% (7 cases) with no difference between the groups (p = 0.217). There was no difference in survival rate between patellar resurfacing (88.3%) and non-resurfacing (85.3%) after 24 months (p = 0.599). There were no differences in KSS functional component (p = 0.599), KSS knee component (p = 0.396), FJS (p = 0.798), and AKP (p = 0.688) at a mean follow-up of 18 months. There was twice as much stair pain for the non-resurfacing group (17.1% versus 8.5%) (p = 0.043). There was patellar tilt in 43% of resurfaced knees (n = 50/116) versus 29% in non-resurfaced knees (n = 30/105) (p = 0.025); however, there was more patellar translation in the non-resurfaced group (21.0% versus 7.8%) (p < 0.001). There were no specific complications attributed to the patellar resurfacing procedure. There were four secondary patellar resurfacing procedures (3.6%) in the non-resurfaced group after a mean of 10 ± 7 months (1-17) postoperatively. CONCLUSION There is no superiority of patellar resurfacing or non-resurfacing in terms of clinical or radiological outcomes at mid-term. Secondary patellar resurfacing is rare. There is not enough evidence to recommend systematic patellar resurfacing with a "patella-friendly" prosthesis.
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Affiliation(s)
- Etienne Deroche
- Orthopaedic Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France.
| | - Cécile Batailler
- Orthopaedic Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France
| | - John Swan
- Orthopaedic Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France
| | - Elliot Sappey-Marinier
- Orthopaedic Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France
| | | | - Elvire Servien
- Orthopaedic Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France.,LIBM-EA 7424, Interuniversity Laboratory of Biology of Mobility, Claude Bernard Lyon 1 University, Lyon, France
| | - Sébastien Lustig
- Orthopaedic Surgery and Sports Medicine Department, FIFA Medical Center of Excellence, Croix-Rousse Hospital, Lyon University Hospital, Lyon, France.,Univ Lyon, Claude Bernard Lyon 1 University, IFSTTAR, LBMC UMR_T9406, 69622, Lyon, France
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12
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Held MB, Gazgalis A, Sarpong NO, Geller JA, Shah RP, Cooper HJ. Management of the Patella During Total Knee Arthroplasty. JBJS Rev 2021; 9:01874474-202109000-00011. [PMID: 34516451 DOI: 10.2106/jbjs.rvw.21.00054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
» The optimal management of the patella during total knee arthroplasty (TKA) remains a controversial topic with no consensus. » Patellar management techniques during TKA include patellar retention or resurfacing with or without patellaplasty, as well as circumferential denervation and partial lateral facetectomy (PLF). » Special considerations such as patient age, etiology of disease, implant design, and surgeon preference should be accounted for when determining optimal management. » We recommend that most patellae be circumferentially denervated, regardless of whether they are resurfaced, as the potential benefits outweigh the small associated risks. » Evidence demonstrates improved functional outcomes with the addition of PLF to nonresurfaced patellae. There is currently a paucity of evidence of this technique with respect to resurfaced patellae. » Patellar resurfacing adds additional costs and health-care resources that should be considered in the decision-making process.
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Affiliation(s)
- Michael B Held
- Department of Orthopaedic Surgery, Columbia University Medical Center, New York, NY
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13
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Karachalios T, Komnos G, Hantes M, Varitimidis S. Evaluating the "Patella-Friendly" Concept in Total Knee Arthroplasty: A Minimum 15-Year Follow-Up Outcome Study Comparing Constant Radius, Multiradius Cruciate-Retaining, and Nonanatomical Cruciate-Retaining Implants. J Arthroplasty 2021; 36:2771-2778. [PMID: 33771400 DOI: 10.1016/j.arth.2021.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 02/17/2021] [Accepted: 03/01/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Patella-friendly femoral components were developed in order to reduce anterior knee pain and patellofemoral complications in total knee arthroplasty (TKA), but their effect on long-term outcome is still unclear. METHODS We retrospectively evaluated prospectively collected data from 3 groups consisting of 100 patients (100 knees in each). In group A, the constant radius a-MP, in group B the multiradius cruciate-retaining Genesis II, and in group C the nonanatomic, multiradius, cruciate-retaining AGC TKA was implanted. Patients of all groups were matched for age, gender, side, body mass index, and length of follow-up. Preoperative and postoperative clinical outcome data in the form of Knee Society System (KSS), Short Form-12, Western Ontario and McMaster University Osteoarthritis Index, and Oxford Knee Score were available at regular intervals for groups A and B. For patients of group C, KSS score data were available at the same time intervals. In all groups, the patellofemoral compartment was assessed using the Clinical Patella Score scale. Anterior knee pain, secondary patella resurfacing, implant failure, and radiological outcome were assessed in patients of all groups. RESULTS At 10-year and 15-year follow-up, patients of group A showed statistically significant (s.s.) higher (all P = .000) KSS values as compared to those of groups B and C. At 15-year follow-up, patients of group B showed s.s. higher (P = .001) KSS values as compared to those of group C. At 10-year and 15-year follow up, patients of group A showed s.s. higher (all P = .00) Western Ontario and McMaster University Osteoarthritis Index and Oxford Knee Score values as compared to those of group B. At 15-year follow-up only, patients of group A showed s.s. higher (P = .00) Short Form-12 (physical) values as compared to those of group B. In terms of Clinical Patella Score, patients in group A had s.s. higher values (P = .05) when compared to those of groups B and C. Anterior knee pain was recorded in 4.4% of TKAs in group A, 7.5% in group B, and 17.2% in group C. One (1.1%) patient in group A, 3 (3.25%) in group B, and 7 (8%) in group C underwent secondary resurfacing. CONCLUSION Anatomical, patella-friendly, constant radius femoral components outperform others in reducing anterior knee pain and patella complications in TKA in which the patellae are left nonresurfaced.
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Affiliation(s)
- Theofilos Karachalios
- Orthopaedic Department, School of Health Sciences, Faculty of Medicine, University of Thessalia, University General Hospital, Biopolis, Larissa, Greece
| | - George Komnos
- Orthopaedic Department, University General Hospital, Biopolis, Larissa, Greece
| | - Michael Hantes
- Orthopaedic Department, School of Health Sciences, Faculty of Medicine, University of Thessalia, University General Hospital, Biopolis, Larissa, Greece
| | - Sokratis Varitimidis
- Orthopaedic Department, School of Health Sciences, Faculty of Medicine, University of Thessalia, University General Hospital, Biopolis, Larissa, Greece
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14
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Molfetta L, Casabella A, Palermo A. The Patellar Resurfacing in Total Knee Prosthesis: Indications for Bone Stock and Patellar Morphology. Front Med (Lausanne) 2021; 7:405. [PMID: 33718393 PMCID: PMC7943458 DOI: 10.3389/fmed.2020.00405] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 06/29/2020] [Indexed: 11/15/2022] Open
Abstract
The patellar resurfacing is still a controversial and unresolved problem. The choice to use the patellar resurfacing in the total knee prosthesis (TKP) is decided by the surgeon's experience; he analyzes the thickness, the shape, consumption of the surface and he chooses the use of patellar resurfacing or to limit itself to cheiloplasty, denervation, or often to the release of the lateral wing ligament. He also assesses the metabolic state of the bone linked to Osteoporosis and the potential fragility of the joint and kneecap in particular. Bone loss after total knee arthroplasty (TKP) may lead to periprosthetic fractures that are associated with significant costs (morbidity, economic, etc.) and pose a challenge to operative fixation. The literature doesn't express a definitive judgment on the two options, since the results can be overlapped on average. Each option has advantages and disadvantages to be considered in the overall balance of the patellar operation. In reality, however, this technical choice requires more consolidated decision-making criteria so as to minimize the incidence of post-surgical femoral-patellar pain syndrome, the second cause of failure, which frequently leads to revision of the implant. The balance between experience and evidence can be a compromise in the choice of surgery. The experience documented in the literature must identify the parameters capable of constructing an algorithm aimed not only at the secondary resurfacing rate, but at the overall clinical evaluation. This has implications also for the rehabilitation of these patients after surgery.
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Affiliation(s)
- Luigi Molfetta
- DISC Department, Research Centre of Osteoporosis and Osteoarticular Disease, School of Medical and Pharmaceutical Sciences, University of Genoa, Genoa, Italy
| | - Andrea Casabella
- DISC Department, Research Centre of Osteoporosis and Osteoarticular Disease, School of Medical and Pharmaceutical Sciences, University of Genoa, Genoa, Italy
| | - Augusto Palermo
- Unit of Orthopaedic Surgery, IRCCS Istituto Auxologico Italiano, Capitanio Hospital, Milan, Italy
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15
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Joseph L, Batailler C, Roger J, Swan J, Servien E, Lustig S. Patellar component size effects patellar tilt in total knee arthroplasty with patellar resurfacing. Knee Surg Sports Traumatol Arthrosc 2021; 29:553-562. [PMID: 32274550 DOI: 10.1007/s00167-020-05984-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/06/2020] [Indexed: 01/16/2023]
Abstract
PURPOSE Patellar component positioning and patellofemoral kinematics are of great importance in total knee arthroplasty (TKA). The factors influencing patellar tilt are femoral rotation and lateral patellar release. However, the effect of patellar component size remains unknown. The aim of this study was to evaluate the intra-operative risk factors for patellar tilt, particularly the effect of the patellar component size. The hypothesis was that increasing the patellar component size would reduce the risk of patellar tilt. METHODS 878 primary TKAs with patellar resurfacing were included between January 2015 and October 2018. Analysis was performed at 1-year postoperatively on patients categorized into two groups: patellar tilt (PT) and no patellar tilt (NPT). A multivariate analysis was performed for the effect of patellar component size, femoral rotation, femoral overbuilding, patellar thickness and lateral release on patellar tilt risk. Secondary analysis was performed for any difference in clinical outcomes and revision rates between groups. RESULTS Multivariate analysis showed that increasing the patellar component size decreased the risk of patellar tilt by 37% (p < 0.001). Placing the femoral component at 3° of external rotation decreased the risk of patellar tilt by 67% (p < 0.001). Secondary analysis showed better clinical outcomes in the NPT group, especially regarding global satisfaction, and KSS objective and subjective scores. The revision for any cause was less in the NPT group (p = 0.019). The cause for TKA revision was related to the patellar in 11% of cases in the NPT group and 65% in the PT group (p < 0.001). CONCLUSION Increased patellar component size and positioning the femoral component in external rotation decreases the risk of patellar tilt, improves clinical outcomes and decreases the rate of surgical revision. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Léopold Joseph
- Orthopedic Surgery Department, Croix-Rousse Hospital, Lyon North University Hospital, Hospices Civils de Lyon, 103 Grande Rue de la Croix-Rousse, 69004, Lyon, France
| | - Cécile Batailler
- Orthopedic Surgery Department, Croix-Rousse Hospital, Lyon North University Hospital, Hospices Civils de Lyon, 103 Grande Rue de la Croix-Rousse, 69004, Lyon, France.
| | - Julien Roger
- Orthopedic Surgery Department, Croix-Rousse Hospital, Lyon North University Hospital, Hospices Civils de Lyon, 103 Grande Rue de la Croix-Rousse, 69004, Lyon, France
| | - John Swan
- Orthopedic Surgery Department, Croix-Rousse Hospital, Lyon North University Hospital, Hospices Civils de Lyon, 103 Grande Rue de la Croix-Rousse, 69004, Lyon, France
| | - Elvire Servien
- Orthopedic Surgery Department, Croix-Rousse Hospital, Lyon North University Hospital, Hospices Civils de Lyon, 103 Grande Rue de la Croix-Rousse, 69004, Lyon, France
| | - Sébastien Lustig
- Orthopedic Surgery Department, Croix-Rousse Hospital, Lyon North University Hospital, Hospices Civils de Lyon, 103 Grande Rue de la Croix-Rousse, 69004, Lyon, France
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16
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Chen K, Dai X, Li L, Chen Z, Cui H, Lv S. Patellar resurfacing versus nonresurfacing in total knee arthroplasty: an updated meta-analysis of randomized controlled trials. J Orthop Surg Res 2021; 16:83. [PMID: 33494774 PMCID: PMC7830853 DOI: 10.1186/s13018-020-02185-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 12/25/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Whether resurface the patella or not in total knee arthroplasty (TKA) was controversial. In 2013, we conducted a meta-analysis of randomized controlled trials (RTCs). After that, plenty of studies have been carried out, but there still existed a great deal of controversy. In order to update our previous study, we conducted this update meta-analysis to evaluate the efficacy of patellar resurfacing in TKA. METHODS Databases were searched for RCTs comparing the outcomes of patellar resurfacing and nonresurfacing in TKA. Outcomes of knee relevant indicators were analysed. To see the short- and long-term effects, we calculated the data in total and divided the patients who were followed up for ≤ 3 years and ≥ 5 years into two subgroups as well. RESULTS Thirty-two trials assessing 6887 knees were eligible. There was a significant difference in terms of reoperation (in total and ≥ 5 years), Knee Society Score (KSS), function score (in total and ≥ 5 years) and noise. While no significant difference was found in the following items: reoperation (≤ 3 years), anterior knee pain (AKP), function score (≤ 3 years), range of motion (ROM), Oxford score, the Knee Injury and Osteoarthritis Outcome Score (KOOS), visual analogue score (VAS), Feller score, patellar tilt and the patients' satisfaction. CONCLUSIONS We found that patellar resurfacing could reduce the occurrence of reoperation and noise after surgery, as well as increase the KSS and function score, while it might not influence the outcomes such as AKP, ROM, Oxford score, KOOS, VAS, Feller score, patellar tilt and the patients' satisfaction. The results are different from our previous finding in the meta-analysis. In conclusion, we prefer patellar resurfacing in TKA.
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Affiliation(s)
- Kai Chen
- Department of Orthopedic Surgery, Hai'an People's Hospital, Zhongba Road 17, Hai'an, Nantong, 226600, Jiangsu, People's Republic of China
| | - Xiaoyu Dai
- Department of Orthopedic Surgery, The First People's Hospital of Changzhou Affiliated to Soochow University, Juqian Road 185, Changzhou, 213000, Jiangsu, People's Republic of China
| | - Lidong Li
- Department of Orthopedic Surgery, Hai'an People's Hospital, Zhongba Road 17, Hai'an, Nantong, 226600, Jiangsu, People's Republic of China
| | - Zhigang Chen
- Department of Orthopedic Surgery, Hai'an People's Hospital, Zhongba Road 17, Hai'an, Nantong, 226600, Jiangsu, People's Republic of China
| | - Haidong Cui
- Department of Orthopedic Surgery, Hai'an People's Hospital, Zhongba Road 17, Hai'an, Nantong, 226600, Jiangsu, People's Republic of China
| | - Shujun Lv
- Department of Orthopedic Surgery, Hai'an People's Hospital, Zhongba Road 17, Hai'an, Nantong, 226600, Jiangsu, People's Republic of China.
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Wang Y, Feng W, Zang J, Gao H. Effect of Patellar Denervation on Anterior Knee Pain and Knee Function in Total Knee Arthroplasty without Patellar Resurfacing: A Meta-Analysis of Randomized Controlled Trials. Orthop Surg 2020; 12:1859-1869. [PMID: 33112040 PMCID: PMC7767783 DOI: 10.1111/os.12815] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 07/05/2020] [Accepted: 08/25/2020] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE The aim of the present study was to evaluate the effect of patellar denervation (PD) in preventing anterior knee pain (AKP) and improving knee function after total knee arthroplasty (TKA) without patellar resurfacing, and to help surgeons decide whether or not to use PD in TKA. METHODS The electronic databases of Pubmed, Embase, Cochrane, Web of Science, and Scopus were searched for all randomized controlled trials (RCT) comparing the outcomes of PD and no patellar denervation (NPD) in TKA without patellar resurfacing. Primary outcomes were incidence of AKP, visual analogue scale for pain (VAS), and patellar score (PS). Secondary outcomes were Knee Society Score (KSS), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), the Oxford Knee Score (OKS), knee range of motion (ROM), and complications. RESULTS A total of nine RCT met the inclusion criteria. On meta-analysis, PD significantly reduced the incidence of AKP (odds ratio 0.49; 95% confidence interval [CI] 0.26 to 0.92), reduced the VAS (weighted mean difference [WMD] -0.57; 95% CI -1.02 to -0.11), and improved the WOMAC (WMD -4.63; 95% CI -6.49 to -2.77) and the ROM (WMD 9.60; 95% CI 0.39 to 18.81) during the follow-up within 12 months. In addition, PD improved the PS (WMD 1.01; 95% CI 0.65 to 1.38), KSS (WMD 1.12; 95% CI 0.10 to 2.14), and the WOMAC (WMD -1.41; 95% CI -2.74 to -0.08) during the follow-up after 12 months. CONCLUSION Patellar denervation could significantly reduce the VAS and the incidence of AKP in the early stages after TKA as well as improve the clinical outcomes in terms of the PS, the WOMAC, the KSS, and the ROM. This study demonstrates that PD is a safe and recommendable technique that could be routinely performed in TKA.
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Affiliation(s)
- Yuhang Wang
- Day Care Unit, The First Hospital of Jilin University, Changchun, China
| | - Wei Feng
- Department of Orthopaedics, The First Hospital of Jilin University, Changchun, China
| | - Junting Zang
- Department of Orthopaedics, The First Hospital of Jilin University, Changchun, China
| | - Hang Gao
- Department of Orthopaedics, The First Hospital of Jilin University, Changchun, China
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Controversial Topics in Total Knee Arthroplasty: A 5-Year Update (Part 1). JOURNAL OF THE AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS GLOBAL RESEARCH AND REVIEWS 2020; 4:e1900047. [PMID: 32672726 PMCID: PMC7028773 DOI: 10.5435/jaaosglobal-d-19-00047] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This review article examines updates to the literature during the past 5 years on numerous topics related to total knee arthroplasty which were felt to have ongoing controversy. These include the use of peripheral nerve blocks and local infiltrative analgesia, intrathecal morphine, patellar resurfacing, and bearing designs.
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19
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Butnaru M, Sigonney G, Müller JH, Senioris A, Saffarini M, Courage O. Wiberg Type III patellae and J-sign during extension compromise outcomes of total knee arthroplasty without patellar resurfacing. Knee 2020; 27:787-794. [PMID: 32563437 DOI: 10.1016/j.knee.2020.04.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 02/20/2020] [Accepted: 04/06/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Understanding the risk factors associated with postoperative pain and worse outcome can guide surgeons on whether primary patellar resurfacing is warranted during total knee arthroplasty (TKA). The purpose of this study was to determine whether clinical scores and pain after TKA without patellar resurfacing are correlated with patellar shape and postoperative patellar position and kinematics. METHODS Radiographs as well as anterior knee pain according to the Visual Analogue Scale (pVAS) were collected pre- and postoperatively for 100 knees aged 68 ± 7.7 years that received uncemented TKA without patellar resurfacing. At a minimum follow-up of 12 months the Forgotten Joint Score (FJS), the Oxford Knee Score (OKS) as well as the flexion range of motion and the presence of J-sign during active extension were recorded. Uni- and multivariable linear regression analyses were performed to determine associations between the collected clinical scores and patient demographic and radiographic data. RESULTS Postoperative OKS (79 ± 14.4) was worse for Wiberg Type III patellae (β = -11.4, P = .020, compared with Type II). Anterior pVAS (2 ± 2) was greater in knees with J-sign during extension (β = 2.8, P < .001). None of the other radiographic measurements (patellar tilt, congruence angle and lateral patellar displacement) were correlated with postoperative OKS or anterior pVAS. CONCLUSION Incongruent patellar shape (Wiberg Type III) is associated with worse clinical scores, and abnormal kinematics (J-sign) with increased pain after TKA without patellar resurfacing. The authors therefore recommend routine resurfacing for Wiberg Type III patellae, though further studies are required to confirm whether resurfacing truly improves clinical scores and pain in this subgroup.
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Affiliation(s)
- Michaël Butnaru
- Ramsay Santé, Hôpital Privé de l'Estuaire, Le Havre, France; Department of Orthopaedic Surgery, Rouen University Hospital, Rouen, France
| | | | | | - Antoine Senioris
- Ramsay Santé, Hôpital Privé de l'Estuaire, Le Havre, France; Department of Orthopaedic Surgery, Rouen University Hospital, Rouen, France
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