Journal of Joint Surgery and Research最新文献

{"title":"The influence of patellar height on patellofemoral contact force during total knee arthroplasty","authors":"Naoki Nakano ,&nbsp;Yuichi Kuroda ,&nbsp;Masanori Tsubosaka ,&nbsp;Tomoyuki Kamenaga ,&nbsp;Kazunari Ishida ,&nbsp;Shinya Hayashi ,&nbsp;Takehiko Matsushita ,&nbsp;Yuichi Hoshino ,&nbsp;Ryosuke Kuroda ,&nbsp;Tomoyuki Matsumoto","doi":"10.1016/j.jjoisr.2023.08.001","DOIUrl":"10.1016/j.jjoisr.2023.08.001","url":null,"abstract":"<div><h3>Purpose</h3><p>Residual anterior knee pain following total knee arthroplasty was reported to be related to high patellofemoral contact force. This study tried to show the relationship between patellar height and patellofemoral contact force <em>in vivo</em>, which has been demonstrated only <em>in vitro</em> thus far.</p></div><div><h3>Methods</h3><p>Fifty-five patients who had undergone a primary mobile-bearing posterior-stabilized total knee arthroplasty (28 cases using PFC Sigma and 27 cases using Attune) were included. After all the trial prostheses were placed, the patellar contact forces on the medial and lateral sides were measured using specially designed two uniaxial ultrathin force transducers at 0°–135° of knee flexion guided by the navigation system. Correlations between the pre-operative Insall-Salvati index and the medial or lateral patellar contact force in each flexion angle were analyzed using linear regression. Correlations between each patellar contact force and postoperative flexion angle were also assessed.</p></div><div><h3>Result</h3><p>There was a positive correlation between Insall-Salvati index and the lateral patellar contact force at 135° of flexion in all the patients, at 120° and 135° of flexion in patients with PFC Sigma and 135° of flexion in patients with Attune. The lateral patellar contact force at 120° and 135° of flexion in patients with PFC Sigma inversely correlated with postoperative flexion angle.</p></div><div><h3>Conclusions</h3><p>Patients with patella alta tended to demonstrate high lateral patellar contact force in deep knee flexion after total knee arthroplasty, which can affect the post operative flexion angle and should be treated to prevent residual anterior knee pain.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 186-191"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000269/pdfft?md5=b235e08070319fd41e7584becd4cb00d&pid=1-s2.0-S2949705123000269-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50195377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rotational position of ligament balancer affects medial and lateral soft tissue balance in total knee arthroplasty","authors":"Toru Yoshioka ,&nbsp;Tokifumi Majima ,&nbsp;Nobukazu Okimoto ,&nbsp;Makoto Kawasaki ,&nbsp;Yoshiaki Ikejiri ,&nbsp;Takurou Ban ,&nbsp;Fumihisa Saito ,&nbsp;Hisanori Fujiwara","doi":"10.1016/j.jjoisr.2023.11.002","DOIUrl":"10.1016/j.jjoisr.2023.11.002","url":null,"abstract":"<div><h3>Purpose</h3><p>The purpose of this study was to clarify the effect on medial and lateral soft tissue balance for different rotational positions of the balancer.</p></div><div><h3>Methods</h3><p>A total of 65 patients who were operated using a rotational mobile bearing total knee arthroplasty (TKA) have been evaluated. A new balancer was made so that the insert trial could be rotated on the paddle. We measured the angle of deviation to varus or valgus and the rotational angle of the insert trial at Akagi's line (group 0), at 20° of internal rotation from the Akagi's line (group IR), and at 20° of external rotation from the Akagi's line (group ER).</p></div><div><h3>Results</h3><p>The IR group had a significantly medial tightness than the other two groups. The ER group had a significantly lateral tightness than the other two groups. All cases were divided into three groups by the position of the insert (neutral, internal rotation and external rotation) on the balancer with respect to Akagi's line after range of motion (ROM) technique. In extension, a significant negative correlation was found between mean varus/valgus balance and rotation of the insert.</p></div><div><h3>Conclusion</h3><p>In mobile bearing TKA, it is possible to obtain the optimal medial and lateral soft tissue balance if the misalignment is within the possible range of rotation allowed by the design of the insert. Anatomical landmarks should also be referenced when determining tibial rotational alignment using the ROM technique, as it was easily influenced by medial and lateral soft tissue balance.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 246-252"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000385/pdfft?md5=ccfba5d8919dd7d00959042914742d08&pid=1-s2.0-S2949705123000385-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138395808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radiological evaluation of cemented acetabular component in primary total hip arthroplasty with or without interface bioactive bone cement technique","authors":"Kazutaka Watanabe ,&nbsp;Takkan Morishima ,&nbsp;Hiromi Otsuka ,&nbsp;Tatsunori Ikemoto ,&nbsp;Kohei Hashimoto ,&nbsp;Hiroshi Fujita ,&nbsp;Nobunori Takahashi","doi":"10.1016/j.jjoisr.2023.10.003","DOIUrl":"10.1016/j.jjoisr.2023.10.003","url":null,"abstract":"<div><h3>Purpose</h3><p>We evaluated the medium-term radiological outcomes of the interface bioactive bone cement (IBBC) technique used in the acetabular component in primary cemented total hip arthroplasty (THA).</p></div><div><h3>Methods</h3><p>In total, 79 patients (88 hips) who underwent primary THA at our hospital between January 2004 and April 2009 were divided into the non-IBBC (NIBBC; n ​= ​39 patients, 44 hips) and IBBC (n ​= ​40 patients, 44 hips) groups. A clear zone (CZ) at the cement-bone interface around the cup was evaluated 5 and 10 years postoperatively. The CZ score, which indicates the spread of the CZ, and loosening of the cup (CZ ​&gt; ​2 ​mm on all sides or movement of the cup &gt;4°) were also evaluated.</p></div><div><h3>Results</h3><p>No patient had loosening of the cup. The mean patient age at surgery was 66.5 ​± ​9.2 years in the NIBBC group and 61.9 ​± ​7.7 years in the IBBC group (p ​= ​0.012). At 5 years postoperatively, the incidence of CZ was 36.4 ​% in the NIBBC group and 18.2 ​% in the IBBC group (p ​= ​0.056). At 10 years postoperatively, the incidence of CZ was 36.4 ​% in the NIBBC group and 20.1 ​% in the IBBC group (p ​= ​0.098). Age at surgery (p ​= ​0.045) significantly affected the incidence of CZ at 5 years but not at 10 years. The IBBC technique (p ​= ​0.042) and age at surgery (p ​= ​0.028) significantly affected the CZ score at 5 years. The IBBC technique (p ​= ​0.036) significantly affected the CZ score at 10 years.</p></div><div><h3>Conclusions</h3><p>The IBBC technique resulted in a significantly lower CZ score than the NIBBC technique in patients undergoing THA.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 234-240"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000361/pdfft?md5=5e61b406113934ff3e918250f7bec777&pid=1-s2.0-S2949705123000361-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92046709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preserving the medial arm of the iliofemoral ligament in total hip arthroplasty using the anterolateral approach: Surgical outcomes and patient-reported outcome measure with 2 years follow-up","authors":"Yoshifumi Harada ,&nbsp;Yuji Yamamoto ,&nbsp;Kazuki Oishi ,&nbsp;Ryo Inoue ,&nbsp;Koichi Akaishi ,&nbsp;Yasuyuki Ishibashi","doi":"10.1016/j.jjoisr.2023.07.003","DOIUrl":"10.1016/j.jjoisr.2023.07.003","url":null,"abstract":"<div><h3>Purpose</h3><p>Iliofemoral ligament (ILFL) is a capsular ligament located in the anterosuperior part of the hip joint capsule and contributes to hip joint stability. The purpose of this study was to compare the surgical outcomes of resection versus preservation procedure of the medial arm of the ILFL in total hip arthroplasty (THA) using the anterolateral approach.</p></div><div><h3>Methods</h3><p>Perioperative outcomes, complication, implant placement and patient-reported outcome measures (PROMs) were evaluated in 42 patients in the resection group and 38 patients in the preservation group. As a PROM, the Japanese Orthopaedic Association Hip Disease Evaluation Questionnaire (JHEQ), was administered at 6 months, 1 year and 2 years postoperatively.</p></div><div><h3>Results</h3><p>There was no significant difference in perioperative outcomes, complication and implant placement between the two groups. Satisfaction for the hip joint condition (80.6 ​± ​22.4 vs 89.2 ​± ​20.1), JHEQ pain score (21.5 ​± ​4.5 vs 24.1 ​± ​5.2) at 6 months, and JHEQ pain score (21.6 ​± ​5.1 vs 23.5 ​± ​5.5) at 1 year were significantly better in the preservation group than in the resection group. At 2 years postoperatively, no significant difference was found in PROMs between the two groups.</p></div><div><h3>Conclusion</h3><p>Our results indicate that preservation of the medial arm of the ILFL in THA improves pain during the first postoperative year without increased complications or disadvantages of implant placement. Preserving the medial arm of the ILFL may be a safe and effective option to improve the early clinical outcomes after THA using the anterolateral approach.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 168-174"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000221/pdfft?md5=3a901c2b493636dc3212985b331dacaf&pid=1-s2.0-S2949705123000221-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50194750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of component rotational alignment on femorotibial rotational alignment in total knee arthroplasty: comparison between mobile and fixed bearing","authors":"Kohei Kawaguchi,&nbsp;Hiroshi Inui,&nbsp;Ryota Yamagami,&nbsp;Kenichi Kono,&nbsp;Tomofumi Kage,&nbsp;Ryo Muramakami,&nbsp;Takahiro Arakawa,&nbsp;Shuji Taketomi,&nbsp;Sakae Tanaka","doi":"10.1016/j.jjoisr.2023.03.003","DOIUrl":"10.1016/j.jjoisr.2023.03.003","url":null,"abstract":"<div><h3>Purpose</h3><p>“Rotational self-alignment mechanism\" was designed for mobile-bearing total knee arthroplasty (MB TKA) to maintain a natural femorotibial rotational alignment independent of component rotational alignment. However, it is clinically unknown if the influence of component rotational alignment on a postoperative anatomical femorotibial rotational angle (FTRA) in MB TKA is eliminated. This study aimed to determine the effect of component rotational alignments on postoperative anatomical FTRA in MB TKA as compared to fixed-bearing TKA (FB TKA).</p></div><div><h3>Methods</h3><p>This research comprised a total of 161 knees: 54 ​MB TKAs and 107 FB TKAs. In computed tomography, the postoperative FTRA and rotational alignment of tibial and femoral components to anatomical axes were assessed, and the association between the postoperative FTRA and perioperative radiographic data, including component rotational alignments, was examined.</p></div><div><h3>Result</h3><p>Rotational alignments of both tibial and femoral components did not correlate postoperative FTRA in MB TKA (tibial component: r ​= ​−0.15, p ​= ​0.26, femoral component: r ​= ​0.22, p ​= ​0.10), however, in FB TKA, rotational alignment of tibial component did correlate postoperative FTRA, while that of femoral component did not (tibial component: r ​= ​−0.65, p ​&lt; ​0.01, femoral component: r ​= ​0.17, p ​= ​0.07). In both groups, preoperative FTRA was substantially associated with postoperative FTRA (MB TKA: r ​= ​0.65, p ​&lt; ​0.01, FB TKA: r ​= ​0.33, p ​&lt; ​0.01).</p></div><div><h3>Conclusions</h3><p>Component rotational alignments did not affect postoperative anatomical rotational femorotibial alignment in MB TKA. Whereas the rotational alignment of the tibial component has a significant impact on the postoperative femorotibial rotational alignment in FB TKA.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 86-91"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000129/pdfft?md5=fa386eeb4b7a67e326fe39bdcb181d48&pid=1-s2.0-S2949705123000129-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50194866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"What are the causes of failure after total knee arthroplasty?","authors":"Hiroshi Inui ,&nbsp;Ryota Yamagami ,&nbsp;Kenichi Kono ,&nbsp;Kohei Kawaguchi","doi":"10.1016/j.jjoisr.2022.12.002","DOIUrl":"10.1016/j.jjoisr.2022.12.002","url":null,"abstract":"<div><h3>Purpose</h3><p>This study aimed to review the causes of failure after total knee arthroplasty (TKA), focusing on the causes of revision and persistent pain.</p></div><div><h3>Methods</h3><p>A literature search was conducted in the databases of PubMed, Cochrane Library, and Google Scholar for articles published before October 4, 2022. In addition, registry data from 11 countries were obtained from national registry archives.</p></div><div><h3>Results</h3><p>National registry data and recent articles show that aseptic loosening, infection, instability, patellofemoral complication, and pain are major overall causes of TKA revisions. The most common etiologies of TKA revisions were aseptic loosening in six countries and infection in four countries. In contrast, polyethylene wear has become one of the minor reasons for revision, although it used to be one of the major causes of revision. Additionally, various causes of persistent pain include improper component placement, oversizing, patellofemoral overstuffing, ligament imbalance, elevated joint lines, kinematic abnormalities, and preoperative psychological factors such as catastrophizing state and central sensitization of pain.</p></div><div><h3>Conclusions</h3><p>With the evolution of surgical techniques and prosthetic designs, a paradigm shift in the etiology of failure mechanisms after TKA might have occurred. However, the number of patients with TKA failure suffering from persistent pain and requiring revision is increasing. Thus, orthopedic surgeons must understand the current situations of TKA failures to improve clinical outcomes and reduce post-TKA dissatisfaction.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 32-40"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705122000020/pdfft?md5=edfebc2152274eadad8a03f35e886e4d&pid=1-s2.0-S2949705122000020-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50194906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hip disorders and spinopelvic alignment: a current literature review","authors":"Toshiyuki Tateiwa ,&nbsp;Tsunehito Ishida ,&nbsp;Takuya Kusakabe ,&nbsp;Toshinori Masaoka ,&nbsp;Kenji Endo ,&nbsp;Takaaki Shishido ,&nbsp;Yasuhito Takahashi ,&nbsp;Kengo Yamamoto","doi":"10.1016/j.jjoisr.2023.01.002","DOIUrl":"10.1016/j.jjoisr.2023.01.002","url":null,"abstract":"<div><h3>Purpose</h3><p>The importance of considering the influence of spinal alignment on the pathology of the hip joint has been widely accepted. The primary objective of this study is to give a comprehensive view of recent findings on the influence of sagittal spinopelvic alignment on hip osteoarthritis (HOA) and total hip arthroplasty (THA).</p></div><div><h3>Methods</h3><p>An English-language literature search was performed with PubMed and Medline databases to identify peer-reviewed studies published within the last 5 years (2017–2022) on the topic of hip disorders and spinopelvic alignment.</p></div><div><h3>Results and conclusions</h3><p>It was reported that the risk of developing primary HOA may increase in patients with high sacral slope (SS) and low pelvic tilt (PT), whereas that of secondary HOA based on acetabular dysplasia (AD) may increase in patients with high lumbar lordosis (LL), SS, and pelvic incidence (PI). In addition, surgeons need to consider that the hip–spine motion may change from the preoperative one owing to changes in some spinopelvic parameters following THA. However, the significance of these changes is not consistent across the studies. Since low PI, PI-LL mismatch, and low SS during sitting and standing may contribute to the risk of prosthetic impingement followed by dislocation, great care should be taken regarding the loss of spinopelvic mobility after spinal fusion surgery.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 62-69"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000026/pdfft?md5=24d4f1f6f547896136415fdc649210c2&pid=1-s2.0-S2949705123000026-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50194915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predictors of subsequent contralateral total knee arthroplasty in moderate-to-severe bilateral medial knee osteoarthritis","authors":"Naohisa Miyatake ,&nbsp;Takehiko Sugita ,&nbsp;Seiya Miyamoto ,&nbsp;Akira Sasaki ,&nbsp;Maeda Ikuo ,&nbsp;Midori Miyatake ,&nbsp;Masayuki Kamimura ,&nbsp;Takashi Aki ,&nbsp;Toshimi Aizawa","doi":"10.1016/j.jjoisr.2023.09.002","DOIUrl":"10.1016/j.jjoisr.2023.09.002","url":null,"abstract":"<div><h3>Purpose</h3><p>In patients with moderate-to-severe bilateral medial knee osteoarthritis, it is difficult to determine the necessity of the subsequent contralateral total knee arthroplasty (TKA) after performing the first procedure. This study aimed to compare patient characteristics and clinical outcomes between patients who underwent staged bilateral TKA (group B) and those who underwent unilateral TKA (group U) to identify predictors of contralateral TKA requirement.</p></div><div><h3>Methods</h3><p>Among 153 patients with bilateral medial knee osteoarthritis of Kellgren-Lawrence grade 3 or 4, 43 and 110 patients underwent unilateral and bilateral TKA, respectively. Clinical evaluations using the patient-reported outcome measure (the Japanese Knee Osteoarthritis Measure [JKOM]), the Knee Society Score (KSS), and the timed “Up and Go” test (TUG) were performed preoperatively, at 12 months, and once every year up to 5 years after the unilateral and the contralateral TKA in groups U and B, respectively. Receiver Operating Characteristic (ROC) analysis was used to determine the cut-off value for preoperative JKOM score that indicates the contralateral TKA.</p></div><div><h3>Results</h3><p>There were no significant differences in patient characteristics between groups B and U. The preoperative JKOM scores were significantly worse in group B. Postoperative improvements in JKOM, KSS, and TUG were statistically significant in both groups; however, there were no significant differences in post-procedure scores between the two groups. ROC analysis showed that the optimal cut-off value of the preoperative JKOM score was 41.5 points.</p></div><div><h3>Conclusion</h3><p>A preoperative JKOM score of ≥41.5 is a possible predictor of the contralateral TKA in patients with moderate-to-severe bilateral medial knee osteoarthritis.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 209-213"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000300/pdfft?md5=14930431e3ba232f69953f3e59a19209&pid=1-s2.0-S2949705123000300-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50194756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Instability in total hip arthroplasty: A literature review","authors":"Daisuke Takahashi,&nbsp;Tomohiro Shimizu,&nbsp;Takuji Miyazaki,&nbsp;Takuya Ogawa,&nbsp;Norimasa Iwasaki","doi":"10.1016/j.jjoisr.2023.03.004","DOIUrl":"10.1016/j.jjoisr.2023.03.004","url":null,"abstract":"<div><h3>Purpose</h3><p>To introduce prevention and treatment methods for instability after total hip arthroplasty (THA) on the basis of the results of several recent studies.</p></div><div><h3>Methods</h3><p>We comprehensively summarized and evaluated the results of several studies on the frequency, causes, countermeasures, and treatments after THA.</p></div><div><h3>Results</h3><p>We found that surgeon experience, mobility of the lumbosacral spine, and femoral head size influence the dislocation rate after THA, and that dual-mobility acetabular components, lipped liners, and intraoperative support systems, including navigation and robotics, can decrease the dislocation rate.</p></div><div><h3>Conclusions</h3><p>Dual-mobility and lipped liners improve stability after THA; however, their indications should be carefully considered. Judicious use of postoperative mobility restriction may benefit some patients.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 92-96"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000130/pdfft?md5=59425899024aa1a6f25888dff007b696&pid=1-s2.0-S2949705123000130-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50194867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Causes of failure after total hip arthroplasty: A narrative review of literatures","authors":"Naomi Kobayashi,&nbsp;Yohei Yukizawa","doi":"10.1016/j.jjoisr.2023.01.006","DOIUrl":"10.1016/j.jjoisr.2023.01.006","url":null,"abstract":"<div><h3>Purpose</h3><p>Innovations in materials and implant design, as well as refinement of procedures and countermeasures for various complications, have led to improved outcomes for patients undergoing total hip arthroplasty (THA). However, various issues remain. Here we performed a comprehensive review of literatures regarding clinical failure of THA and discuss the current situation regarding specific issues.</p></div><div><h3>Methods</h3><p>A narrative review was conducted focusing on the various causes of clinical failure or complications after THA. Each cause or complication is listed according to time of occurrence, from the intraoperative period to the late stage post-surgery. For each specific condition requiring revision or further surgery, we summarize the important clinical information, including prevalence, diagnosis, risk factors, and treatment options.</p></div><div><h3>Results</h3><p>We focused on specific conditions that cause failure of THA, including periprosthetic joint infection, dislocation, malalignment/malposition, iliopsoas impingement, and other causes of pain after THA. We also discuss the prevalence, risk factors, diagnostic algorithm, and treatment options.</p></div><div><h3>Conclusion</h3><p>Identifying possible causes of THA failure at each stage after surgery is important. In addition, clinicians need to understand that patients may have an unsatisfactory outcome despite perfect surgical technique and/or postoperative radiographs.</p></div>","PeriodicalId":100795,"journal":{"name":"Journal of Joint Surgery and Research","volume":"2 ","pages":"Pages 56-61"},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949705123000063/pdfft?md5=f6997810274b6e584d5e0ccae5aa9e08&pid=1-s2.0-S2949705123000063-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50194914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}