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Bone & Joint 360
Vol. 13, Issue 1 | Pages 16 - 18
1 Feb 2024

The February 2024 Knee Roundup. 360. looks at: Do patients with hypoallergenic total knee arthroplasty implants for metal allergy do worse? An analysis of healthcare utilizations and patient-reported outcome measures; Defining a successful total knee arthroplasty; Incidence, microbiological studies, and factors associated with periprosthetic joint infection after total knee arthroplasty; A modified Delphi consensus statement on patellar instability; Cause for concern? Significant cement coverage in retrieved metaphyseal cones after revision total knee arthroplasty; Prevalence of post-traumatic osteoarthritis after anterior cruciate ligament injury remains high despite advances in surgical techniques; Cost-effectiveness of arthroscopic partial meniscectomy versus physical therapy for traumatic meniscal tears in patients aged under 45 years


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_16 | Pages 12 - 12
17 Nov 2023
Cowan G Hamilton D
Full Access

Abstract. Objective. Meta-analysis of clinical trials highlights that non-operative management of degenerative knee meniscal tears is as effective as surgical management. Surgical guidelines though support arthroscopic partial meniscectomy which remains common in NHS practice. Physiotherapists are playing an increasing role in triage of such patients though it is unclear how this influences clinical management and patient outcomes. Methods. A 1-year cohort (July 2019–June 2020) of patients presenting with MRI confirmed degenerative meniscal tears to a regional orthopaedic referral centre (3× ESP physiotherapists) was identified. Initial clinical management was obtained from medical records alongside subsequent secondary care management and routinely collected outcome scores in the following 2-years. Management options included referral for surgery, conservative (steroid injection and rehabilitation), and no active treatment. Outcome scores collected at 1- and 2-years included the Forgotten Joint Score-12 (FJS-12) questionnaire and 0–10 numerical rating scales for worst and average pain. Treatment allocation is presented as absolute and proportional figures. Change in outcomes across the cohort was evaluated with repeated measures ANOVA, with Bonferroni correction for multiple testing, and post-hoc Tukey pair-wise comparisons. As treatment decision is discrete, no direct contrast is made between outcomes of differing interventions but additional explorative outcome change over time evaluated by group. Significance was accepted at p=0.05 and effect size as per Cohen's values. Results. 81 patients, 50 (61.7%) male, mean age 46.5 years (SD13.13) presented in the study timeframe. 32 (40.3%) received conservative management and 49 (59.7%) were listed for surgery. Six (18.8%) of the 32 underwent subsequent surgery and nine of the 49 (18.4%) patients switched from planned surgery to receiving non-operative care. Two post-operative complications were noted, one cerebrovascular accident and one deep vein thrombosis. The cohort improved over the course of 2-years in all outcome measures with improved mean FJS-12 (34.36 points), mean worst pain (3.74 points) average pain (2.42 points) scores. Overall change (all patients) was statistically significant for all outcomes (p<0.001), with sequential year-on-year change also significant (p<0.001). Effect size of these changes were large with all Cohen-d values over 1. Controlling for age and BMI, males reported superior change in FJS-12 (p=0.04) but worse pain outcomes (p<0.03). Further explorative analysis highlighted positive outcomes across all surgical, conservative and no active treatment groups (p<0.05). The 15 (18%) patients that switched between surgical and non-surgical management also reported positive outcome scores (p<0.05). Conclusion(s). In a regional specialist physiotherapy-led soft tissue knee clinic around 60% of degenerative meniscal tears assessed were referred for surgery. Over 2-years, surgical, non-operative and no treatment management approaches in this cohort all resulted in clinical improvement suggesting that no single strategy is effective in directly treating the meniscal pathology, and that perhaps none do. Clinical intervention rather is directed at individual symptom management based on clinical preferences. Declaration of Interest. (b) declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported:I declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research project


The Bone & Joint Journal
Vol. 105-B, Issue 11 | Pages 1133 - 1134
1 Nov 2023
Haddad FS

Cite this article: Bone Joint J 2023;105-B(11):1133–1134.


The Bone & Joint Journal
Vol. 105-B, Issue 11 | Pages 1177 - 1183
1 Nov 2023
van der Graaff SJA Reijman M Meuffels DE Koopmanschap MA

Aims. The aim of this study was to evaluate the cost-effectiveness of arthroscopic partial meniscectomy versus physical therapy plus optional delayed arthroscopic partial meniscectomy in young patients aged under 45 years with traumatic meniscal tears. Methods. We conducted a multicentre, open-labelled, randomized controlled trial in patients aged 18 to 45 years, with a recent onset, traumatic, MRI-verified, isolated meniscal tear without knee osteoarthritis. Patients were randomized to arthroscopic partial meniscectomy or standardized physical therapy with an optional delayed arthroscopic partial meniscectomy after three months of follow-up. We performed a cost-utility analysis on the randomization groups to compare both treatments over a 24-month follow-up period. Cost utility was calculated as incremental costs per quality-adjusted life year (QALY) gained of arthroscopic partial meniscectomy compared to physical therapy. Calculations were performed from a healthcare system perspective and a societal perspective. Results. A total of 100 patients were included: 49 were randomized to arthroscopic partial meniscectomy and 51 to physical therapy. In the physical therapy group, 21 patients (41%) received delayed arthroscopic partial meniscectomy during follow-up. Over 24 months, patients in the arthroscopic partial meniscectomy group had a mean 0.005 QALYs lower quality of life (95% confidence interval -0.13 to 0.14). The cost-utility ratio was €-160,000/QALY from the healthcare perspective and €-223,372/QALY from the societal perspective, indicating that arthroscopic partial meniscectomy incurs additional costs without any added health benefit. Conclusion. Arthroscopic partial meniscectomy is arthroscopic partial meniscectomy is unlikely to be cost-effective in treating young patients with isolated traumatic meniscal tears compared to physical therapy as a primary health intervention. Arthroscopic partial meniscectomy leads to a similar quality of life, but higher costs, compared to physical therapy plus optional delayed arthroscopic partial meniscectomy. Cite this article: Bone Joint J 2023;105-B(11):1177–1183


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_13 | Pages 87 - 87
7 Aug 2023
Ahmed I Dhaif F Khatri C Parsons N Hutchinson C Staniszewska S Price A Metcalfe A
Full Access

Abstract. Background. Meniscal tears affect 222 per 100,000 of the population and can be managed non-operatively or operatively with an arthroscopic partial meniscectomy (APM), meniscal repair or meniscal transplantation. The purpose of this review is to summarise the outcomes following treatment with a meniscal tear and explore correlations between outcomes. Methodology. A systematic review was performed of MEDLINE, EMBASE, AMED and the Cochrane Central Register of Controlled Trials to identify prospective studies describing the outcomes of patients with a meniscal tear. Comparisons were made of outcomes between APM and non-operative groups. Outcomes were graphically presented over time for all treatment interventions. Pearson's correlations were calculated between outcome timepoints. Results. 35 studies were included, 28 reported outcomes following APM; four following meniscal repair and three following meniscal transplant. Graphical plots demonstrated a sustained improvement for all treatment interventions. A moderate to very strong correlation was reported between baseline and three-month outcomes. In the medium term, there was small significant difference in outcome between APM and non-operative measures (SMD 0.17; 95 % CI 0.04, 0.29), however, this was not clinically significant. Conclusions. Patients with a meniscal tear demonstrated a sustained initial improvement in function scores, which was true of all treatments examined. APM may have little benefit in older people, however, previous trials did not include patients who meet the current indications for surgery as a result the findings should not be generalised to all patients with a meniscal tear. Further trials are required in patients who meet current operative indications


Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_9 | Pages 79 - 79
17 Apr 2023
Stockmann A Grammens J Lenz J Pattappa G von Haver A Docheva D Zellner J Verdonk P Angele P
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Partial meniscectomy patients have a greater likelihood for the development of early osteoarthritis (OA). To prevent the onset of early OA, patient-specific treatment algorithms need to be created that predict patient risk to early OA after meniscectomy. The aim of this work was to identify patient-specific risk factors in partial meniscectomy patients that could potentially lead to early OA.

Partial meniscectomy patients operated between 01/2017 and 12/2019 were evaluated in the study (n=317). Exclusion criteria were other pathologies or surgeries for the evaluated knee and meniscus (n = 114). Following informed consent, an online questionnaire containing demographics and the “Knee Injury and Osteoarthritis Outcome Score” (KOOS) questionnaire was sent to the patient. Based on the KOOS pain score, patients were classified into “low” (> 75) and “high” (< 75) risk patients, indicating risk to symptomatic OA. The “high risk” patients also underwent a follow-up including an MRI scan to understand whether they have developed early OA.

From 203 participants, 96 patients responded to the questionnaire (116 did not respond) with 61 patients considered “low-risk” and 35 “high-risk” patients. Groups that showed a significant increased risk for OA were patients aged > 40 years, females, overweight (BMI >25 kg/m2 ≤ 30 kg/m2), and smokers (*p < 0.05). The “high-risk”-follow-up revealed a progression of early osteoarthritic cartilage changes in seven patients, with the remaining nineteen patients showing no changes in cartilage status or pain since time of operation. Additionally, eighteen patients in the high-risk group showed a varus or valgus axis deviation.

Patient-specific factors for worse postoperative outcomes after partial meniscectomy and indicators for an “early OA” development were identified, providing the basis for a patient-specific treatment approach. Further analysis in a multicentre study and computational analysis of MRI scans is ongoing to develop a patient-specific treatment algorithm for meniscectomy patients.


Bone & Joint 360
Vol. 11, Issue 6 | Pages 18 - 20
1 Dec 2022

The December 2022 Knee Roundup. 360. looks at: Effect of physical therapy versus arthroscopic partial meniscectomy: the ESCAPE trial at five years; Patellofemoral arthroplasty or total knee arthroplasty: a randomized controlled trial; Rehabilitation versus surgical reconstruction for anterior cruciate ligament injury; End-stage knee osteoarthritis in Australia: the effect of obesity; Do poor patient-reported outcome measures at six months relate to knee revision?; What is the cost of nonoperative interventions for knee osteoarthritis?


Bone & Joint 360
Vol. 10, Issue 6 | Pages 18 - 20
1 Dec 2021


Bone & Joint 360
Vol. 10, Issue 1 | Pages 15 - 17
1 Feb 2021


Bone & Joint 360
Vol. 9, Issue 3 | Pages 15 - 17
1 Jun 2020


Bone & Joint 360
Vol. 9, Issue 1 | Pages 51 - 52
1 Feb 2020
Das A


Bone & Joint 360
Vol. 8, Issue 6 | Pages 15 - 18
1 Dec 2019


The Bone & Joint Journal
Vol. 101-B, Issue 9 | Pages 1071 - 1080
1 Sep 2019
Abram SGF Judge A Beard DJ Carr AJ Price AJ

Aims. The aim of this study was to determine the long-term risk of undergoing knee arthroplasty in a cohort of patients with meniscal tears who had undergone arthroscopic partial meniscectomy (APM). Patients and Methods. A retrospective national cohort of patients with a history of isolated APM was identified over a 20-year period. Patients with prior surgery to the same knee were excluded. The primary outcome was knee arthroplasty. Hazard ratios (HRs) were adjusted by patient age, sex, year of APM, Charlson comorbidity index, regional deprivation, rurality, and ethnicity. Risk of arthroplasty in the index knee was compared with the patient’s contralateral knee (with vs without a history of APM). A total of 834 393 patients were included (mean age 50 years; 37% female). Results. Of those with at least 15 years of follow-up, 13.49% (16 256/120 493; 95% confidence interval (CI) 13.30 to 13.69) underwent subsequent arthroplasty within this time. In women, 22.07% (95% CI 21.64 to 22.51) underwent arthroplasty within 15 years compared with 9.91% of men (95% CI 9.71 to 10.12), corresponding to a risk ratio (RR) of 2.23 (95% CI 2.16 to 2.29). Relative to the general population, patients with a history of APM were over ten times more likely (RR 10.27; 95% CI 10.07 to 10.47) to undergo arthroplasty rising to almost 40 times more likely (RR 39.62; 95% CI 27.68 to 56.70) at a younger age (30 to 39 years). In patients with a history of APM in only one knee, the risk of arthroplasty in that knee was greatly elevated in comparison with the contralateral knee (no APM; HR 2.99; 95% CI 2.95 to 3.02). Conclusion. Patients developing a meniscal tear undergoing APM are at greater risk of knee arthroplasty than the general population. This risk is three-times greater in the patient’s affected knee than in the contralateral knee. Women in the cohort were at double the risk of progressing to knee arthroplasty compared with men. These important new reference data will inform shared decision making and enhance approaches to treatment, prevention, and clinical surveillance. Cite this article: Bone Joint J 2019;101-B:1071–1080


The Bone & Joint Journal
Vol. 101-B, Issue 6 | Pages 652 - 659
1 Jun 2019
Abram SGF Beard DJ Price AJ

Aims

The aim of the British Association for Surgery of the Knee (BASK) Meniscal Consensus Project was to develop an evidence-based treatment guideline for patients with meniscal lesions of the knee.

Materials and Methods

A formal consensus process was undertaken applying nominal group, Delphi, and appropriateness methods. Consensus was first reached on the terminology relating to the definition, investigation, and classification of meniscal lesions. A series of simulated clinical scenarios was then created and the appropriateness of arthroscopic meniscal surgery or nonoperative treatment in each scenario was rated by the group. The process was informed throughout by the latest published, and previously unpublished, clinical and epidemiological evidence. Scenarios were then grouped together based upon the similarity of clinical features and ratings to form the guideline for treatment. Feedback on the draft guideline was sought from the entire membership of BASK before final revisions and approval by the consensus group.


Bone & Joint 360
Vol. 5, Issue 5 | Pages 13 - 17
1 Oct 2016


The Bone & Joint Journal
Vol. 98-B, Issue 7 | Pages 934 - 938
1 Jul 2016
Lamplot JD Brophy RH

Aims

Patients with osteoarthritis of the knee commonly have degenerative meniscal tears. Arthroscopic meniscectomy is frequently performed, although the benefits are debatable. Recent studies have concluded that there is no role for arthroscopic washout in osteoarthritis of the knee. Our aim was to perform a systematic review to assess the evidence for the efficacy of arthroscopic meniscectomy in patients with meniscal tears and degenerative changes in the knee.

Patients and Methods

A literature search was performed, using the PubMed/MEDLINE database, for relevant articles published between 1975 and 2015. A total of six studies, including five randomised controlled trials and one cross-sectional study of a prospective cohort, met the inclusion criteria. Relevant information including study design, operations, the characteristics of the patients, outcomes, adverse events and further operations were extracted.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_13 | Pages 42 - 42
1 Sep 2014
Pietrzak J Gelbart B Firer P
Full Access

Introduction. Meniscal tears in middle-aged patients are common. There is a lack of consensus regarding the optimum management of these injuries. Although arthroscopic partial meniscectomy (APM) is a frequently performed surgical option, literature has failed to prove its effectiveness over conservative approaches. Materials and Methods. We retrospectively reviewed 102 middle-aged (age > 40 years) patients who had been treated for meniscal tears between January 2010 and December 2012. We followed these patients up telephonically to assess knee outcome satisfaction rates, any early (6 weeks) improvements in pain and knee function and their pre-morbid and post-treatment activity levels (Tegner Activity Scale). Results. There were 65 male and 37 female patients with an average age of 58 years (range 40–79). After their first consultation 72 patients were treated conservatively and 30 patients were treated with an APM. There were no reported complications following surgery. We managed to contact 87 patients who were followed up at an average of 17.5 months (range 5–34 months). Overall, 72.4% of patients managed were satisfied with their knee outcomes. APM had a 78.9% satisfaction rate and 67.3% of patients treated conservatively were satisfied. There were no significant differences in early or long term pain or knee function improvements between APM or conservative modalities. 89.7% of patients returned to the same or better activity levels after treatment. There was a 1.5 times greater risk of worse activity level following APM. There was a 79.3% satisfaction rate in patients who remained at the same activity level (p=0.00). Analysis showed 21 of the 72 conservatively treated patients failed this approach. APM was performed on 18 of them resulting in a 75% satisfaction rate for this group. Conclusion. APM and conservative management produce equivalently good results for meniscal tears in middle-aged patients. Delayed surgery does not negatively influence the outcome of these patients. NO DISCLOSURES


The Bone & Joint Journal
Vol. 95-B, Issue 4 | Pages 436 - 444
1 Apr 2013
Scott CEH Nutton RW Biant LC

The lateral compartment is predominantly affected in approximately 10% of patients with osteoarthritis of the knee. The anatomy, kinematics and loading during movement differ considerably between medial and lateral compartments of the knee. This in the main explains the relative protection of the lateral compartment compared with the medial compartment in the development of osteoarthritis. The aetiology of lateral compartment osteoarthritis can be idiopathic, usually affecting the femur, or secondary to trauma commonly affecting the tibia. Surgical management of lateral compartment osteoarthritis can include osteotomy, unicompartmental knee replacement and total knee replacement. This review discusses the biomechanics, pathogenesis and development of lateral compartment osteoarthritis and its management.

Cite this article: Bone Joint J 2013;95-B:436–44.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_II | Pages 164 - 165
1 May 2011
Reggiani LM Stilli S Donzelli O
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Purpose: The purpose of this study was to review the clinical results of a series of 108 children treated artroscopically for symptomatic discoid lateral menisci. Methods: The medical records of more than 100 consecutive patients who underwent arthroscopic treatment for symptomatic discoid meniscus between 1990 and 2005 were reviewed. Results: The mean patient age was 8.7 years (range, 2,5 to 14 years), with 55% female and 45% male patients. The mean duration of symptoms before surgery was 20 months (range, 2 to 48 months), with 95% having pain and 38% having mechanical impingment. All patients were treated arthroscopically. Partial or subtotal arthroscopic meniscectomy was performed. Operative classification of the menisci revealed 64 complete, 18 Wrisberg type and 26 incomplete discoid menisci, with meniscal tears being present in 48 knees (45%). At final follow-up, all patients exhibited full knee flexion beyond 135 degrees. Three patients reported residual knee pain, and four reported intermittent mechanical symptoms. At final follow-up, 3 years minimum, according to Ikeuchi clinical score more than 50 % of the patients were considered very good and 25 % good. Only 8 patients felt that their activity level remained partially limited. Conclusions: Our results show the middle-term efficacy of arthroscopic partial or subtotal meniscectomy in cases of symptomatic lateral discoid menisci. Arthroscopic partial meniscectomy is preferrable only when the posterior attachment of the discoid meniscus is stable. A total meniscectomy is indicated for the Wrisberg-ligament type of discoid meniscus and when the meniscus is completely degenerated. This to our knowledge is the largest series of discoid lateral menisci arthroscopically treated. Level of evidence: Level IV, therapeutic case series


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_IV | Pages 506 - 506
1 Oct 2010
Rodkey W Briggs K
Full Access

Objectives: Partial meniscectomy is the current standard of care for torn menisci not suitable for repair. Arthroscopic partial meniscectomy is the most commonly performed orthopaedic surgical procedure. The purpose of this study was to determine what specific factors influence longevity of improvements in function and activity levels following arthroscopic partial meniscectomy. Methods: Six hundred forty (640) knees which had undergone isolated partial meniscectomy were identified from a clinical database. One hundred ninety-three (193) knees had partial lateral meniscectomy, 342 had partial medial meniscectomy, and 105 had partial medial and lateral meniscectomy. Average age was 52 years (range, 15 to 79) with 207 females and 433 males. Patients were excluded if they had concurrent ACL reconstructions or microfracture for chondral defects. Lysholm function and Tegner activity scores were collected for a minimum of 8 years after the index partial meniscectomy. Results: For all knees, Lysholm scores improved significantly from preoperative (54) to 1 year postoperative (76) (p< 0.001). Lysholm scores did not change from year 1 to year 5. At year 6, average Lysholm score decreased to 69, and by year 8, the score decreased further to 63. When comparing degenerative knees to non-degenerative knees, the non-degenerative group had greater improvement and maintained it longer. Medial meniscus patients maintained their improvement at 6 and 7 years while the lateral meniscus group showed less improvement and decreased at years 6 and 7. Anatomic location of meniscus tear (anterior, middle or posterior thirds) was not associated with changes in improvement of Lysholm or Tegner scores. Tegner activity levels improved significantly from preoperative (3.6) to 1 year postoperative (4.7) (p< 0.001). This improvement was maintained at years 2, 3, and 4. There was no significant difference between preoperative Tegner and year-5 Tegner scores (4.0) (p> 0.05). This same finding was also seen at years 6, 7, and 8. In degenerative knees, there was less improvement, and levels declined at years 6, 7, and 8. Conclusions: Patients who undergo partial meniscectomy can expect 4 to 5 years of improved function and activity levels. Knee function continues to improve up to 5 years, but it decreases as activity levels decrease. Patients who delay treatment or have degenerative changes experience a decrease in function and activity levels sooner. Meniscectomy provides a short term improvement in function and activity levels, but long term improvement seems unlikely. Our findings confirm that specific factors such as which meniscus (medial or lateral) undergoes meniscectomy, chronicity of the tear, and preexisting degenerative changes might be expected to influence longevity of improvements after partial meniscectomy