HIP International最新文献

{"title":"Comparison of osteolysis around 3 different cement restrictors in total hip arthroplasty.","authors":"Wybren Prins, Maarten P Cornelissen, W Alexander Goudriaan, Mireille A Edens, Jeremy Amaya, Paul E Zollinger, Cees C P M Verheyen, Harmen B Ettema","doi":"10.1177/11207000231222328","DOIUrl":"10.1177/11207000231222328","url":null,"abstract":"<p><strong>Background and aim: </strong>Several studies reported osteolysis around polyethylene glycol/polybutylene terephthalate (PEG/PBT) based femoral cement restrictors. Our goal was to evaluate and compare osteolysis around 3 different plug designs: the slow biodegradable PEG/PBT cement restrictor; the fast biodegradable gelatin cement restrictor; and the non-biodegradable polyethylene plug.</p><p><strong>Patients and methods: </strong>In a retrospective multicentre cohort study chart data were extracted of patients who received a total hip arthroplasty between 2008 and 2012. A total of 961 hips were included. Cortical ratio between inner and outer cortices at the centre of the plug was measured on routine postoperative follow-up moments. Median follow up of all 3 hospitals was 3.5 years (1.4-7.3). The primary outcome was evidence of osteolysis (i.e. the difference in cortical ratio [CR]) on anteroposterior (AP) radiographs at final follow-up.</p><p><strong>Results: </strong>Progressive osteolysis was found around the PEG/PBT cement restrictor represented by a significantly increasing cortical ratio (ΔCR 0.067 (95% CI, 0.063-0.071). Distance from tip prosthesis to plug and size of the plug were found to be independent factors in predicting increased cortical ratio.</p><p><strong>Conclusions: </strong>Our multicentre cohort shows increase of cortical ratio around the PEG/PBT cement restrictor which progresses over time. Physicians should be aware of this fact and are advised to intensify follow-up of patients who received this cement restrictor.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139982816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Arthroplasty for femoral neck fractures is at risk for under restoration of lateral femoral offset.","authors":"Harsh N Shah, Andrew A Barrett, Andrea K Finlay, Prerna Arora, Michael J Bellino, Julius A Bishop, Michael J Gardner, Matthew D Miller, James I Huddleston, William J Maloney, Stuart B Goodman, Derek F Amanatullah","doi":"10.1177/11207000231169914","DOIUrl":"10.1177/11207000231169914","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of the study was to determine the restoration of hip biomechanics through lateral offset, leg length, and acetabular component position when comparing non-arthroplasty surgeons (NAS) to elective arthroplasty surgeons (EAS).</p><p><strong>Methods: </strong>131 patients, with a femoral neck fracture treated with a THA by 7 EAS and 20 NAS, were retrospectively reviewed. 2 blinded observers measured leg-length discrepancy, femoral offset, and acetabular component position. Multivariate logistic regression models examined the association between the surgeon groups and restoration of lateral femoral, acetabular offset, leg length discrepancy, acetabular anteversion, acetabular position, and component size, while adjusting for surgical approach and spinal pathology.</p><p><strong>Results: </strong>NAS under-restored 4.8 mm of lateral femoral offset (43.9 ± 8.7 mm) after THA when compared to the uninjured side (48.7 ± 7.1 mm, <i>p</i> <i>=</i> 0.044). NAS were at risk for under-restoring lateral femoral offset when compared to EAS (<i>p</i> <i>=</i> 0.040). There was no association between lateral acetabular offset, leg length, acetabular position, or component size and surgeon type.</p><p><strong>Conclusions: </strong>Lateral femoral offset is at risk for under-restoration after THA for femoral neck fractures, when performed by surgeons that do not regularly perform elective THA. This indicates that lateral femoral offset is an under-appreciated contributor to hip instability when performing THA for a femoral neck fracture. Lateral femoral offset deserves as much attention and awareness as acetabular component position since a secondary analysis of our data reveal that preoperative templating and intraoperative imaging did not prevent under-restoration.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9451525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"No clinically significant differences in patient-reported outcome measures across total hip arthroplasty approaches.","authors":"Andrew G Kim, Adam A Rizk, Austin M Chiu, William Zuke, Alexander J Acuña, Atul F Kamath","doi":"10.1177/11207000231178722","DOIUrl":"10.1177/11207000231178722","url":null,"abstract":"<p><strong>Introduction: </strong>As recent studies demonstrate an ongoing debate surrounding outcomes and complications with respect to different total hip arthroplasty (THA) approaches, patient-reported outcome measures (PROMs) may provide valuable information for clinician and patient decision-making. Therefore, our systematic review aimed to assess how surgical approach influences patient-reported outcomes.</p><p><strong>Methods: </strong>5 online databases were queried for all studies published between January 1, 1997 and March 4, 2022 that reported on PROMs across various surgical approaches to THA. Studies reporting on PROMs in primary THA patients segregated by surgical approach were included. Articles reporting on revision THA, hip resurfacing, and arthroscopy were excluded. Mantel-Haenszel (M-H) models were utilised to calculate the pooled mean difference (MDs) and 95% confidence interval (CIs).</p><p><strong>Results: </strong>No differences between the DAA and other approaches were observed when evaluating HOOS (MD -0.28; 95% CI, -1.98-1.41; <i>p</i> = 0.74), HHS (MD 2.38; 95% CI, -0.27-5.03; <i>p</i> = 0.08), OHS (MD 1.35; 95% CI, -2.00-4.71; <i>p</i> = 0.43), FJS-12 (MD 5.88; 95% CI, -0.36-12.12; <i>p</i> = 0.06), VAS-pain (MD -0.32; 95% CI, -0.68-0.04; <i>p</i> = 0.08), and WOMAC-pain (MD -0.73; 95% CI, -3.85-2.39; <i>p</i> = 0.65) scores. WOMAC (MD 2.47; 95% CI, 0.54-4.40; <i>p</i> = 0.01) and EQ-5D Index (MD 0.03; 95% CI, 0.01-0.06; <i>p</i> = 0.002) scores were found to significantly favour the DAA cohort over the other approaches. Only the EQ-5D index score remained significant following sensitivity analysis.</p><p><strong>Conclusions: </strong>Superiority of any 1 approach could not be concluded based on the mixed findings of the present analysis. Although our pooled analysis found no significant differences in outcomes except for those measured by the EQ-5D index, a few additional metrics, notably the WOMAC, HHS, FJS-12, and VAS-pain scores, leaned in favour of the DAA.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9924813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The floating hip injury: a descriptive study and case-control analysis.","authors":"Mark Y Z Wong, Marios Ghobrial, Win M Han, Joseph Alsousou, Andrew Carrothers, Peter Hull, Daud Chou, Jaikirty Rawal","doi":"10.1177/11207000231160075","DOIUrl":"10.1177/11207000231160075","url":null,"abstract":"<p><strong>Purpose: </strong>A \"floating hip\" (FH) injury is a rare injury describing the simultaneous ipsilateral fracture of the femur and pelvis or acetabulum (P/A). We describe our experience with patients presenting with FH injuries and compare them to controls with similar P/A fractures but without femoral involvement.</p><p><strong>Methods: </strong>Medical records and radiographs of FH patients and controls presenting to our tertiary centre between 2015 and 2020 were reviewed. Follow-up data from outpatient clinical records were also extracted. The control group were extensively matched by age, sex, body mass index, fracture classification and energy of injury.</p><p><strong>Results: </strong>From 1392 recorded P/A fractures, 42 FH cases were identified (average age 39 years, 78.6% males). The most common femoral fracture was the midshaft (35.7%), followed by the neck of femur (26.2%). 90.5% of FH injuries were due to high-energy mechanisms. 64.3% of P/A fractures, and 100% of femoral fractures were managed surgically. Compared to controls, FH cases were more likely to have additional orthopaedic injuries (73.8% vs. 40.5%, <i>p</i> <i>=</i> 0.002), more total theatre admissions (mean 2.5 vs. 1.19, <i>p</i> <i><</i> 0.001), longer hospital stays (28.3 vs. 14.9 days, <i>p</i> <i>=</i> 0.02), and a higher rates of post-op complications (53.8% vs. 20%, <i>p</i> <i>=</i> 0.025).</p><p><strong>Conclusions: </strong>We report differences in the presentation, management, and outcomes of FH injuries versus controls, even after extensive matching for confounders. These differences may inform future treatment strategies for the FH injury.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10787386/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9461262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acetabular cup fixation with and without screws following primary total hip arthroplasty: migration evaluated by radiostereometric analysis.","authors":"Jennifer S Polus, Edward M Vasarhelyi, Brent A Lanting, Matthew G Teeter","doi":"10.1177/11207000231164711","DOIUrl":"10.1177/11207000231164711","url":null,"abstract":"<p><strong>Background: </strong>Early cup migration after total hip arthroplasty (THA) is correlated to late revision due to aseptic loosening. However, the use of screws for increased cup stability remains unclear and debated. The purpose of this study is to assess acetabular migration between cups fixated with and without the use of screws.</p><p><strong>Methods: </strong>Patients underwent primary THA using either a direct anterior (DA) or a direct lateral (DL) approach. The DA surgeon routinely supplemented cup fixation with 1 or 2 screws while the DL surgeon used no screws. At 7 follow-up visits up to 2 years post operation, patients underwent radiostereometric analysis (RSA) imaging for implant migration tracking. The primary outcome was defined as proximal cup migration measured with model-based RSA.</p><p><strong>Results: </strong>68 patients were assessed up to 2 years post operation, <i>n</i> = 43 received screws and <i>n</i> = 25 did not. The use of screws had a significant effect on cup migration (<i>p</i> = 0.018). From 2 weeks to 2 years post operation, the total mean migration was 0.403 ± 0.681 mm and 0.129 ± 0.272 mm (<i>p</i> = 0.319) for cups with and without screws, respectively. The number of screws used also had a significant impact, with cups fixated with 1 screw migrating more than cups fixated with 2 (<i>p</i> = 0.013, mean difference 0.712 mm).</p><p><strong>Conclusions: </strong>Acetabular cups fixated with only 1 screw resulted in greater migration than cups with no screws or 2 screws, though the mean magnitude was well under the 1.0 mm threshold for unacceptable migration. However, 3 of the 24 patients who received only 1 screw exceeded the 1.0 mm threshold for unacceptable migration. Ultimately, the results of this study show that the use of 2 screws to supplement cup fixation can provide good implant stability that is equivalent to a secure press-fit component with no screws.Clinical trial registration: ClinicalTrials.gov (NCT03558217).</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10787387/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9602852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Less groin pain with dual-mobility bearings versus fixed bearings in total hip arthroplasty.","authors":"Jeremy A Dubin, Geoffrey H Westrich","doi":"10.1177/11207000231158722","DOIUrl":"10.1177/11207000231158722","url":null,"abstract":"<p><strong>Introduction: </strong>The relationship between implant type, dual mobility (DM) or fixed bearing (FB), and postoperative groin pain remains unexplored. We examined the incidence of groin pain in DM implants and compare this to a cohort of FB THA patients.</p><p><strong>Methods: </strong>From 2006 to 2018, a single surgeon performed 875 DM THA and 856 FB THA procedures with 2.8-year and 3.1-year follow-up, respectively. Each patient received a questionnaire postoperatively and was asked if they had any groin pain (yes/no). Secondary measurements were implant characteristics such as head size, head offset, cup size, and cup-to-head ratio. Additional PROMs that were collected included: Veterans RAND 12 (VR-12), University of California Los Angeles (UCLA) activity score, Pain visual analogue scale (Pain VAS), and range of motion (ROM).</p><p><strong>Results: </strong>The incidence of groin pain was 2.3% in the DM THA cohort and 6.3% in the FB THA group (<i>p</i> <i><</i> 0.001). Also, low head offset (⩽0 mm) had a significant odds ratio (1.61) for groin pain in both cohorts. There was no significant difference in terms of revision rate between the cohorts (2.5% vs. 3.3%, <i>p</i> = 0.39) at the latest follow up.</p><p><strong>Conclusions: </strong>This study demonstrated a lower incidence of groin pain (2.3%) in patients with a DM bearing compared to a FB (6.3%) and a greater risk of groin pain with low head offset (<0 mm). As such, surgeons should try to recreate offset of the hip compared to the contralateral side to avoid groin pain.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9430025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Technical note: acetabular augmentation with customisable cementless all-polyethylene insert.","authors":"David T Wallace, Karl Stoffel, Joe Baines","doi":"10.1177/11207000231194582","DOIUrl":"10.1177/11207000231194582","url":null,"abstract":"<p><p>Acetabular augmentation is a challenge for complex primary and revision hip surgery. Several methods exist to recreate a supportive, hemispherical acetabulum where a defect exists, however, these can be complex, expensive, time consuming, and limited by available size and shape. We present a simple, inexpensive, quick and customisable method of acetabular augmentation using cementless polyethylene with titanium coating. The first case is presented with follow-up up to 8 years.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10185618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of affected and non-affected side ability with postoperative outcomes in patients undergoing total hip arthroplasty.","authors":"Kohei Nozaki, Yuta Nanri, Masashi Kawabata, Manaka Shibuya, Manami Nihei, Takehiro Shirota, Hiroyoshi Masuma, Takuya Maeda, Kensuke Fukushima, Katsufumi Uchiyama, Naonobu Takahira, Masashi Takaso","doi":"10.1177/11207000231199169","DOIUrl":"10.1177/11207000231199169","url":null,"abstract":"<p><strong>Background: </strong>Although several reports have examined the association between preoperative function and postoperative outcomes in patients undergoing total hip arthroplasty (THA), it is unclear whether the ability of the affected or non-affected side particularly impacts on outcomes. We aimed to investigate the association between affected and non-affected side ability and walking independence.</p><p><strong>Methods: </strong>We prospectively enrolled 721 consecutive patients who underwent THA. Preoperatively, quadriceps isometric strength (QIS) and one-leg standing time (OLST) were measured. The endpoints were walking independence within 3, 5, 7, 10, and 14 days postoperatively. The associations between preoperative abilities and outcomes were examined using multivariate Cox hazard model, and the area under the curves (AUCs) for outcomes were compared.</p><p><strong>Results: </strong>We analysed 540 patients after excluding patients who met the exclusion criteria. Both affected and non-affected QIS predicted walking independence within 3 (<i>p</i> <i>=</i> 0.006 and 0.001, respectively), 5, 7, 10, and 14 (both <i>p</i> <i><</i> 0.001) days postoperatively. For OLST, only the affected side did not predict walking independence within 3 days postoperatively (<i>p</i> <i>=</i> 0.154 and 0.012, respectively), and both sides did at days 5 (<i>p</i> <i>=</i> 0.019 and <0.001, respectively), 7, 10, and 14 (both <i>p</i> <i><</i> 0.001). The AUCs of the non-affected side ability for walking independence were significantly greater than those of the affected side on postoperative days 3 (0.66 vs. 0.73; <i>p</i> <i>=</i> 0.021) and 5 (0.67 vs. 0.71; <i>p</i> <i>=</i> 0.040), with no significant difference after day 7.</p><p><strong>Conclusions: </strong>Both sides abilities were associated with walking independence after THA, but non-affected side was found to be particularly crucial for early walking independence.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10289896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effectiveness of hydrotherapy on return to play in sports following hip arthroscopic surgery: a comparative study.","authors":"Alexandra Dimitrakopoulou, Bryan English, Christiana Kartsonaki, Adam Gledhill, Ernest Schilders","doi":"10.1177/11207000231167349","DOIUrl":"10.1177/11207000231167349","url":null,"abstract":"<p><strong>Background: </strong>The postoperative management of femoroacetabular impingement (FAI) is variable with favourable surgical outcomes. Yet there is no evidence on the efficacy of hydrotherapy in athletes undergoing hip arthroscopy for FAI. The purpose of this study was to evaluate the role and the impact of hydrotherapy on return to sports following hip arthroscopy for symptomatic FAI.</p><p><strong>Methods: </strong>2 cohorts of mixed level of athletes from various sports: a hydrotherapy group that followed land-based exercises in combination with hydrotherapy exercises and a control group that followed solely the same land-based exercises. Pre- and postoperative pain and hip-specific outcome scores were completed, and patient satisfaction was rated.</p><p><strong>Results: </strong>A total of 88 hip arthroscopies were included with a minimum of 2 years follow-up; the hydrotherapy group comprised of 36 hips and the control group, 52 hips. There was a significant improvement in time to return to previous performance (HR 1.91, 95% CI, 1.21-3.01; <i>p</i> = 0.005) in the hydrotherapy group compared with the control. The hip-specific scores and patient satisfaction were considerably improved in the hydrotherapy group.</p><p><strong>Conclusions: </strong>The analysis of our data indicates that the incorporation of hydrotherapy into postoperative rehabilitation for hip arthroscopy for FAI accelerates the return of athletes to their pre-injury performance, since recovery time decreased significantly.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9279515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Medium-term outcomes of conventional versus short uncemented femoral stems for primary total hip arthroplasty in patients younger than 55 years.","authors":"Fernando Diaz-Dilernia, Carlos Lucero, Pablo A Slullitel, Gerardo Zanotti, Fernando Comba, Francisco Piccaluga, Martin Buttaro","doi":"10.1177/11207000231177588","DOIUrl":"10.1177/11207000231177588","url":null,"abstract":"<p><strong>Background: </strong>Short stems are designed with a bone preservation philosophy in mind. This study aims to compare the outcomes/complications and survival of a collarless fully hydroxyapatite (HA)-coated conventional tapered stem and a HA-coated partial neck-retaining uncemented short stem in patients ⩽55 years old at medium-term follow-up.</p><p><strong>Methods: </strong>We retrospectively studied 247 uncemented THAs operated between 2010 and 2014, comparing 146 patients treated with the fully HA-coated collarless stem (Group A) with 101 patients treated with a partial neck preserving, HA-coated short stem (Group B). 87 and 62 males were in groups A and B, respectively (<i>p</i> <i>=</i> 0.11). The mean age of the series was 46 years (17-55) (<i>p =</i>0.16). The mean follow-up of groups A and B were 9.9 (7-12) years and 9.7 (7-12) years, respectively (<i>p =</i>0.21).</p><p><strong>Results: </strong>Mean Harris Hip Score improved from 55 to 92 in group A (<i>p <</i>0.001) and from 54 to 95 in group B (<i>p <</i>0.001), without differences between groups. Mean femoral neck length preservation in groups A and B was 13.6 (0-28) mm and 26 (11-38) mm, respectively (<i>p =</i>0.001). 13 (8.9%) and 1 (1%) patients in groups A and B presented postoperative complications, respectively (<i>p =</i>0.008). The conventional stem group had more aseptic loosening (Group A 3.4% vs. Group B 0%, <i>p =</i>0.06) along with more Symptomatic radiolucent lines (Group A 3.4% vs. Group B 0%, <i>p =</i>0.06).</p><p><strong>Conclusions: </strong>Both conventional and short stems showed excellent implant survival rates and functional outcomes at a mean follow-up of 9.8 years. However, complications and radiolucent lines were more frequent with a collarless conventional-length stem. Bone preservation of the femoral neck and diaphysis may be preferred in active young patients.</p>","PeriodicalId":12911,"journal":{"name":"HIP International","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9593126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}