Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2023-1197.R1
Lindsay Kleeman-Forsthuber, Gregory Kurkis, Chameka Madurawe, Tristan Jones, Christopher Plaskos, Jim W Pierrepont, Douglas A Dennis
{"title":"Hip-spine parameters change with increasing age.","authors":"Lindsay Kleeman-Forsthuber, Gregory Kurkis, Chameka Madurawe, Tristan Jones, Christopher Plaskos, Jim W Pierrepont, Douglas A Dennis","doi":"10.1302/0301-620X.106B8.BJJ-2023-1197.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2023-1197.R1","url":null,"abstract":"<p><strong>Aims: </strong>Spinopelvic pathology increases the risk for instability following total hip arthroplasty (THA), yet few studies have evaluated how pathology varies with age or sex. The aims of this study were: 1) to report differences in spinopelvic parameters with advancing age and between the sexes; and 2) to determine variation in the prevalence of THA instability risk factors with advancing age.</p><p><strong>Methods: </strong>A multicentre database with preoperative imaging for 15,830 THA patients was reviewed. Spinopelvic parameter measurements were made by experienced engineers, including anterior pelvic plane tilt (APPT), spinopelvic tilt (SPT), sacral slope (SS), lumbar lordosis (LL), and pelvic incidence (PI). Lumbar flexion (LF), sagittal spinal deformity, and hip user index (HUI) were calculated using parameter measurements.</p><p><strong>Results: </strong>With advancing age, patients demonstrate increased posterior APPT, decreased standing LL, decreased LF, higher pelvic incidence minus lumbar lordosis (PI-LL) mismatch, higher prevalence of abnormal spinopelvic mobility, and higher HUI percentage. With each decade, APPT progressed posteriorly 2.1°, LF declined 6.0°, PI-LL mismatch increased 2.9°, and spinopelvic mobility increased 3.8°. Significant differences were found between the sexes for APPT, SPT, SS, LL, and LF, but were not felt to be clinically relevant.</p><p><strong>Conclusion: </strong>With advancing age, spinopelvic biomechanics demonstrate decreased spinal mobility and increased pelvic/hip mobility. Surgeons should consider the higher prevalence of instability risk factors in elderly patients and anticipate changes evolving in spinopelvic biomechanics for young patients.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"792-801"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2023-1429.R1
Ruud de Ridder, Bart L Kaptein, Bart G Pijls, Rob G H H Nelissen, Herman H Kaptijn
{"title":"Five-year migration of uncemented femoral components in total knee arthroplasty with either highly cross-linked or conventional polyethylene inserts: a blinded randomized controlled trial using radiostereometric analysis.","authors":"Ruud de Ridder, Bart L Kaptein, Bart G Pijls, Rob G H H Nelissen, Herman H Kaptijn","doi":"10.1302/0301-620X.106B8.BJJ-2023-1429.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2023-1429.R1","url":null,"abstract":"<p><strong>Aims: </strong>The aim of this study was to compare the migration of the femoral component, five years postoperatively, between patients with a highly cross-linked polyethylene (HXLPE) insert and those with a conventional polyethylene (PE) insert in an uncemented Triathlon fixed insert cruciate-retaining total knee arthroplasty (TKA). Secondary aims included clinical outcomes and patient-reported outcome measures (PROMs). We have previously reported the migration and outcome of the tibial components in these patients.</p><p><strong>Methods: </strong>A double-blinded randomized controlled trial was conducted including 96 TKAs. The migration of the femoral component was measured with radiostereometry (RSA) at three and six months and one, two, and five years postoperatively. PROMs were collected preoperatively and at all periods of follow-up.</p><p><strong>Results: </strong>There was no clinically relevant difference in terms of migration of the femoral component or PROMs between the HXLPE and PE groups. The mean difference in migration (maximum total point motion), five years postopeatively, was 0.04 mm (95% CI -0.06 to 0.16) in favour of the PE group.</p><p><strong>Conclusion: </strong>There was no clinically relevant difference in migration of the femoral component, for up to five years between the two groups. These findings will help to establish a benchmark for future studies on migration of femoral components in TKA.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"826-833"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2023-1333.R1
Samuel E Broida, Mikaela H Sullivan, Peter S Rose, Doris E Wenger, Matthew T Houdek
{"title":"Adjacent venous tumour thrombus in primary osteosarcoma of the pelvis and limbs.","authors":"Samuel E Broida, Mikaela H Sullivan, Peter S Rose, Doris E Wenger, Matthew T Houdek","doi":"10.1302/0301-620X.106B8.BJJ-2023-1333.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2023-1333.R1","url":null,"abstract":"<p><strong>Aims: </strong>Venous tumour thrombus (VTT) is a rare finding in osteosarcoma. Despite the high rate of VTT in osteosarcoma of the pelvis, there are very few descriptions of VTT associated with extrapelvic primary osteosarcoma. We therefore sought to describe the prevalence and presenting features of VTT in osteosarcoma of both the pelvis and the limbs.</p><p><strong>Methods: </strong>Records from a single institution were retrospectively reviewed for 308 patients with osteosarcoma of the pelvis or limb treated between January 2000 and December 2022. Primary lesions were located in an upper limb (n = 40), lower limb (n = 198), or pelvis (n = 70). Preoperative imaging and operative reports were reviewed to identify patients with thrombi in proximity to their primary lesion. Imaging and histopathology were used to determine presence of tumour within the thrombus.</p><p><strong>Results: </strong>Tumours abutted the blood vessels in 131 patients (43%) and encased the vessels in 30 (10%). Any form of venous thrombus was identified in 31 patients (10%). Overall, 21 of these thrombi were determined to be involved with the tumour based on imaging (n = 9) or histopathology (n = 12). The rate of VTT was 25% for pelvic osteosarcoma and 1.7% for limb osteosarcoma. The most common imaging features associated with histopathologically proven VTT were enhancement with contrast (n = 12; 100%), venous enlargement (n = 10; 83%), vessel encasement (n = 8; 66%), and visible intraluminal osteoid matrix (n = 6; 50%). Disease-specific survival (DSS) for patients with VTT was 95% at 12 months (95% CI 0.87 to 1.00), 50% at three years (95% CI 0.31 to 0.80), and 31% at five years (95% CI 0.14 to 0.71). VTT was associated with worse DSS (hazard ratio 2.3 (95% CI 1.11 to 4.84).</p><p><strong>Conclusion: </strong>VTT is rare with osteosarcoma and occurs more commonly in the pelvis than the limbs. Imaging features suggestive of VTT include enhancement with contrast, venous dilation, and vessel encasement. VTT portends a worse prognosis for patients with osteosarcoma, with a similar survivability to metastatic disease.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"865-870"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2023-1326.R1
John W Kennedy, Robert Sinnerton, Gowsikan Jeyakumar, Nicholas Kane, David Young, R M D Meek
{"title":"Periprosthetic joint infection of the hip.","authors":"John W Kennedy, Robert Sinnerton, Gowsikan Jeyakumar, Nicholas Kane, David Young, R M D Meek","doi":"10.1302/0301-620X.106B8.BJJ-2023-1326.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2023-1326.R1","url":null,"abstract":"<p><strong>Aims: </strong>The number of revision arthroplasties being performed in the elderly is expected to rise, including revision for infection. The primary aim of this study was to measure the treatment success rate for octogenarians undergoing revision total hip arthroplasty (THA) for periprosthetic joint infection (PJI) compared to a younger cohort. Secondary outcomes were complications and mortality.</p><p><strong>Methods: </strong>Patients undergoing one- or two-stage revision of a primary THA for PJI between January 2008 and January 2021 were identified. Age, sex, BMI, American Society of Anesthesiologists grade, Charlson Comorbidity Index (CCI), McPherson systemic host grade, and causative organism were collated for all patients. PJI was classified as 'confirmed', 'likely', or 'unlikely' according to the 2021 European Bone and Joint Infection Society criteria. Primary outcomes were complications, reoperation, re-revision, and successful treatment of PJI. A total of 37 patients aged 80 years or older and 120 patients aged under 80 years were identified. The octogenarian group had a significantly lower BMI and significantly higher CCI and McPherson systemic host grades compared to the younger cohort.</p><p><strong>Results: </strong>The majority of patients were planned to undergo two-stage revision, although a significantly higher proportion of the octogenarians did not proceed with the second stage (38.7% (n = 12) vs 14.8% (n = 16); p = 0.003). Although there was some evidence of a lower complication rate in the younger cohort, this did not reach statistical significance (p = 0.065). No significant difference in reoperation (21.6% (n = 8) vs 25.0% (n = 30); p = 0.675) or re-revision rate (8.1% (n = 3) vs 16.7% (n = 20); p = 0.288) was identified between the groups. There was no difference in treatment success between groups (octogenarian 89.2% (n = 33) vs control 82.5% (n = 99); p = 0.444).</p><p><strong>Conclusion: </strong>When compared to a younger cohort, octogenarians did not show a significant difference in complication, re-revision, or treatment success rates. However, given they are less likely to be eligible to proceed with second stage revision, consideration should be given to either single-stage revision or use of an articulated spacer to maximize functional outcomes.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"802-807"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2023-1114.R1
Philipp Kriechling, Reiss Whitefield, Navnit S Makaram, Iain D M Brown, Samuel P Mackenzie, C M Robinson
{"title":"Proximal humeral fractures with vascular compromise.","authors":"Philipp Kriechling, Reiss Whitefield, Navnit S Makaram, Iain D M Brown, Samuel P Mackenzie, C M Robinson","doi":"10.1302/0301-620X.106B8.BJJ-2023-1114.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2023-1114.R1","url":null,"abstract":"<p><strong>Aims: </strong>Vascular compromise due to arterial injury is a rare but serious complication of a proximal humeral fracture. The aims of this study were to report its incidence in a large urban population, and to identify clinical and radiological factors which are associated with this complication. We also evaluated the results of the use of our protocol for the management of these injuries.</p><p><strong>Methods: </strong>A total of 3,497 adult patients with a proximal humeral fracture were managed between January 2015 and December 2022 in a single tertiary trauma centre. Their mean age was 66.7 years (18 to 103) and 2,510 (72%) were female. We compared the demographic data, clinical features, and configuration of those whose fracture was complicated by vascular compromise with those of the remaining patients. The incidence of vascular compromise was calculated from national population data, and predictive factors for its occurrence were investigated using univariate analysis.</p><p><strong>Results: </strong>A total of 18 patients (0.5%) had a proximal humeral fracture and clinical evidence of vascular compromise, giving an annual incidence of 0.29 per 100,000 of the population. Their mean age was 68.7 years (45 to 92) and ten (56%) were female. Evidence of a mixed pattern neurological deficit (brachial plexus palsy) (odds ratio (OR) 380.6 (95% CI 85.9 to 1,685.8); p < 0.001), complete separation of the proximal shaft from the humeral head with medial displacement (OR 39.5 (95% CI 14.0 to 111.8); p < 0.001), and a fracture-dislocation (OR 5.0 (95% CI 1.6 to 15.3); p = 0.015) were all associated with an increased risk of associated vascular compromise. A policy of reduction and fixation of the fracture prior to vascular surgical intervention had favourable outcomes without vascular sequelae.</p><p><strong>Conclusion: </strong>The classic signs of distal ischaemia are often absent in patients with proximal injuries to major vessels. We were able to identify specific clinical and radiological 'red flags' which, particularly when present in combination, should increase the suspicion of a fracture with an associated vascular injury, and facilitate early diagnosis and appropriate combined orthopaedic and vascular intervention.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"842-848"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2024-0036.R1
Jonathan M R French, Kevin Deere, Tim Jones, Derek J Pegg, Mike R Reed, Michael R Whitehouse, Adrian Sayers
{"title":"An analysis of the effect of the COVID-19-induced joint replacement deficit in England, Wales, and Northern Ireland suggests recovery will be protracted.","authors":"Jonathan M R French, Kevin Deere, Tim Jones, Derek J Pegg, Mike R Reed, Michael R Whitehouse, Adrian Sayers","doi":"10.1302/0301-620X.106B8.BJJ-2024-0036.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2024-0036.R1","url":null,"abstract":"<p><strong>Aims: </strong>The COVID-19 pandemic has disrupted the provision of arthroplasty services in England, Wales, and Northern Ireland. This study aimed to quantify the backlog, analyze national trends, and predict time to recovery.</p><p><strong>Methods: </strong>We performed an analysis of the mandatory prospective national registry of all independent and publicly funded hip, knee, shoulder, elbow, and ankle replacements in England, Wales, and Northern Ireland between January 2019 and December 2022 inclusive, totalling 729,642 operations. The deficit was calculated per year compared to a continuation of 2019 volume. Total deficit of cases between 2020 to 2022 was expressed as a percentage of 2019 volume. Sub-analyses were performed based on procedure type, country, and unit sector.</p><p><strong>Results: </strong>Between January 2020 and December 2022, there was a deficit of 158,994 joint replacements. This is equivalent to over two-thirds of a year of normal expected operating activity (71.6%). There were 104,724 (-47.1%) fewer performed in 2020, 41,928 (-18.9%) fewer performed in 2021, and 12,342 (-5.6%) fewer performed in 2022, respectively, than in 2019. Independent-sector procedures increased to make it the predominant arthroplasty provider (53% in 2022). NHS activity was 73.2% of 2019 levels, while independent activity increased to 126.8%. Wales (-136.3%) and Northern Ireland (-121.3%) recorded deficits of more than a year's worth of procedures, substantially more than England (-66.7%). It would take until 2031 to eliminate this deficit with an immediate expansion of capacity over 2019 levels by 10%.</p><p><strong>Conclusion: </strong>The arthroplasty deficit following the COVID-19 pandemic is now equivalent to over two-thirds of a year of normal operating activity, and continues to increase. Patients awaiting different types of arthroplasty, in each country, have been affected disproportionately. A rapid and significant expansion in services is required to address the deficit, and will still take many years to rectify.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"834-841"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2024-0291
Fabio Mancino, Andreas Fontalis, Fares S Haddad
{"title":"Beyond the scalpel.","authors":"Fabio Mancino, Andreas Fontalis, Fares S Haddad","doi":"10.1302/0301-620X.106B8.BJJ-2024-0291","DOIUrl":"10.1302/0301-620X.106B8.BJJ-2024-0291","url":null,"abstract":"","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"760-763"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Outcomes after hip fracture surgery in patients receiving non-steroidal anti-inflammatory drugs alone, acetaminophen alone, or both.","authors":"Masaki Hatano, Yusuke Sasabuchi, Hisatoshi Ishikura, Hideaki Watanabe, Takeyuki Tanaka, Sakae Tanaka, Hideo Yasunaga","doi":"10.1302/0301-620X.106B8.BJJ-2024-0183.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2024-0183.R1","url":null,"abstract":"<p><strong>Aims: </strong>The use of multimodal non-opioid analgesia in hip fractures, specifically acetaminophen combined with non-steroidal anti-inflammatory drugs (NSAIDs), has been increasing. However, the effectiveness and safety of this approach remain unclear. This study aimed to compare postoperative outcomes among patients with hip fractures who preoperatively received either acetaminophen combined with NSAIDs, NSAIDs alone, or acetaminophen alone.</p><p><strong>Methods: </strong>This nationwide retrospective cohort study used data from the Diagnosis Procedure Combination database. We included patients aged ≥ 18 years who underwent surgery for hip fractures and received acetaminophen combined with NSAIDs (combination group), NSAIDs alone (NSAIDs group), or acetaminophen alone (acetaminophen group) preoperatively, between April 2010 and March 2022. Primary outcomes were in-hospital mortality and complications. Secondary outcomes were opioid use postoperatively; readmission within 90 days, one year, and two years; and total hospitalization costs. We used propensity score overlap weighting models, with the acetaminophen group as the reference group.</p><p><strong>Results: </strong>We identified 93,018 eligible patients, including 13,068 in the combination group, 29,203 in the NSAIDs group, and 50,474 in the acetaminophen group. Propensity score overlap weighting successfully balanced patient characteristics among the three groups, with no significant difference in in-hospital mortality rates observed among the groups (combination group risk difference 0.0% (95% CI -0.5 to 0.4%); NSAIDs group risk difference -0.2% (95% CI -0.5 to 0.2%)). However, the combination group exhibited a significantly lower risk of in-hospital complications than the acetaminophen group (risk difference -1.9% (95% CI -3.2 to -0.6%)) as well as a significantly lower risk of deep vein thrombosis (risk difference -1.4% (95% CI -2.2 to -0.7%)). Furthermore, total hospitalization costs were higher in the NSAIDs group than in the acetaminophen group (difference USD $438 (95% CI 249 to 630); p < 0.001). No significant differences in other secondary outcomes were observed among the three groups.</p><p><strong>Conclusion: </strong>The combination of acetaminophen with NSAIDs appears to be safe and advantageous in terms of reducing in-hospital complications.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"849-857"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2023-1371.R1
Andrew J Hall, Rachael Cullinan, Glory Alozie, Swati Chopra, Leanne Greig, Jon Clarke, Philip E Riches, Phil Walmsley, Nicholas E Ohly, Nicholas Holloway
{"title":"Total knee arthroplasty using a cemented single-radius, condylar-stabilized design performed without posterior cruciate ligament sacrifice.","authors":"Andrew J Hall, Rachael Cullinan, Glory Alozie, Swati Chopra, Leanne Greig, Jon Clarke, Philip E Riches, Phil Walmsley, Nicholas E Ohly, Nicholas Holloway","doi":"10.1302/0301-620X.106B8.BJJ-2023-1371.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2023-1371.R1","url":null,"abstract":"<p><strong>Aims: </strong>Total knee arthroplasty (TKA) with a highly congruent condylar-stabilized (CS) articulation may be advantageous due to increased stability versus cruciate-retaining (CR) designs, while mitigating the limitations of a posterior-stabilized construct. The aim was to assess ten-year implant survival and functional outcomes of a cemented single-radius TKA with a CS insert, performed without posterior cruciate ligament sacrifice.</p><p><strong>Methods: </strong>This retrospective cohort study included consecutive patients undergoing TKA at a specialist centre in the UK between November 2010 and December 2012. Data were collected using a bespoke electronic database and cross-referenced with national arthroplasty audit data, with variables including: preoperative characteristics, intraoperative factors, complications, and mortality status. Patient-reported outcome measures (PROMs) were collected by a specialist research team at ten years post-surgery. There were 536 TKAs, of which 308/536 (57.5%) were in female patients. The mean age was 69.0 years (95% CI 45.0 to 88.0), the mean BMI was 32.2 kg/m<sup>2</sup> (95% CI 18.9 to 50.2), and 387/536 (72.2%) survived to ten years. There were four revisions (0.7%): two deep infections (requiring debridement and implant retention), one aseptic loosening, and one haemosiderosis.</p><p><strong>Results: </strong>Kaplan-Meier analysis demonstrated no difference in implant survival according to sex, age, or obesity status. Ten-year PROMs were available for 196/387 (50.6%) surviving patients and were excellent: mean Oxford Knee Score 34.4 (95% CI 32.7 to 36.1); mean Forgotten Joint Score (FJS) 51.2 (95% CI 16.1 to 86.3); mean EuroQol five-dimension five-level questionnaire score 69.9 (95% CI 46.8 to 93.0); 141/196 (71.9%) achieved the 22-point FJS patient-acceptable symptom state (PASS); and 156/196 (79.6%) were \"very satisfied or satisfied\".</p><p><strong>Conclusion: </strong>This is the only large study reporting ten-year implant survival and functional outcomes of TKA using a cemented single-radius design and with a CS tibial bearing construct. The findings of excellent implant survival, safety, and functional outcomes indicate that this combination is a safe and effective option in routine TKA. Further investigation of this single-radius design TKA with CS tibial bearings with well-matched patient study groups will allow further insight into the performance of these implants.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"808-816"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bone & Joint JournalPub Date : 2024-08-01DOI: 10.1302/0301-620X.106B8.BJJ-2024-0094.R1
Manon Pigeolet, Jabbar Ghufran Syed, Sadia Ahmed, Muhammad A Chinoy, Mansoor A Khan
{"title":"Percutaneous Achilles tendon tenotomy in clubfoot with a blade or a needle: a single-centre randomized controlled noninferiority trial.","authors":"Manon Pigeolet, Jabbar Ghufran Syed, Sadia Ahmed, Muhammad A Chinoy, Mansoor A Khan","doi":"10.1302/0301-620X.106B8.BJJ-2024-0094.R1","DOIUrl":"https://doi.org/10.1302/0301-620X.106B8.BJJ-2024-0094.R1","url":null,"abstract":"<p><strong>Aims: </strong>The gold standard for percutaneous Achilles tendon tenotomy during the Ponseti treatment for idiopathic clubfoot is a tenotomy with a No. 15 blade. This trial aims to establish the technique where the tenotomy is performed with a large-bore needle as noninferior to the gold standard.</p><p><strong>Methods: </strong>We randomized feet from children aged below 36 months with idiopathic clubfoot on a 1:1 basis in either the blade or needle group. Follow-up was conducted at three weeks and three months postoperatively, where dorsiflexion range, Pirani scores, and complications were recorded. The noninferiority margin was set at 4° difference in dorsiflexion range at three months postoperatively.</p><p><strong>Results: </strong>The blade group had more dorsiflexion at both follow-up consultations: 18.36° versus 18.03° (p = 0.115) at three weeks and 18.96° versus 18.26° (p = 0.001) at three months. The difference of the mean at three months 0.7° is well below the noninferiority margin of 4°. There was no significant difference in Pirani scores. The blade group had more extensive scar marks at three months than the needle group (8 vs 2). No major complications were recorded.</p><p><strong>Conclusion: </strong>The needle tenotomy is noninferior to the blade tenotomy for usage in Ponseti treatment for idiopathic clubfoot in children aged below 36 months.</p>","PeriodicalId":48944,"journal":{"name":"Bone & Joint Journal","volume":"106-B 8","pages":"871-878"},"PeriodicalIF":4.9,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141861351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}