Journal of Orthopaedic Science最新文献

{"title":"What is a useful marker for predicting survival in patients with high-grade soft tissue sarcoma who have non-inflammatory conditions?","authors":"Tomoki Nakamura,&nbsp;Kunihiro Asanuma,&nbsp;Tomohito Hagi,&nbsp;Akihiro Sudo","doi":"10.1016/j.jos.2023.07.016","DOIUrl":"10.1016/j.jos.2023.07.016","url":null,"abstract":"<div><h3>Background</h3><p><span>The modified Glasgow prognostic score (mGPS) is a reliable system for identifying patients at high risk of death among patients with soft tissue sarcoma (STS). The scoring systems use a combination of </span><em>C</em><span><span>-reactive protein (CRP) and albumin levels. Although patients with high-grade STS are at risk of metastasis and death, even if their mGPS is 0, the prognostic indicators in these patients are unknown. Therefore, we investigated useful prognostic indicators for survival and the development of metastasis </span>in patients with high-grade STS and an mGPS of 0.</span></p></div><div><h3>Methods</h3><p>One hundred and four patients with CRP and albumin levels of &lt;1.0 mg/dl and &gt;3.5 g/dl, respectively, indicating an mGPS of 0, were included. The mean follow-up period was 79 months.</p></div><div><h3>Results</h3><p>The 5-year disease-specific survival (DSS) rate was 79.2%. Cox proportional analysis showed that tumor size and absolute neutrophil<span> count (ANC) were prognostic variables in multivariate analyses. Patients with higher ANC (ANC&gt;3370/μl) had a worse DSS than those with lower ANC. The 5-year DSS was 74.7% vs. 91.7%, respectively (p = 0.0207). The 5-year metastasis-free survival was 67.2%. Tumor size and ANC remained significant variables for predicting the development of metastasis in the multivariate analysis. Patients with higher ANC had a worse metastasis-free survival than those with lower ANC. The 5-year metastasis-free survival was 59.5% vs. 87.3%, respectively (p = 0.00269).</span></p></div><div><h3>Conclusions</h3><p>When patients with high-grade STS have an mGPS of 0, the ANC and tumor size should be carefully evaluated. A higher neutrophil count and larger tumor size may increase the risk of metastasis development.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9988162","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":"CircBBS9 accelerates the malignant progression of osteosarcoma through sponging miR-485-3p/HMGB1 axis","authors":"Zengliang Zhang,&nbsp;Haotian Wu,&nbsp;Yaozhong Xing,&nbsp;Xiaoli Zhang,&nbsp;Jinzhou Wang,&nbsp;Bingyao Chen","doi":"10.1016/j.jos.2023.05.005","DOIUrl":"10.1016/j.jos.2023.05.005","url":null,"abstract":"<div><h3>Background</h3><p>Osteosarcoma (OS) is a leading malignant tumor reported with high mortality and morbidity. Dysexpression of CircBBS9 has been reported to exhibit a critical functional role in various diseases. However, the underlying molecular mechanisms of CircBBS9 in osteosarcoma are poorly characterized.</p></div><div><h3>Methods</h3><p>The present study aims to investigate the impacts of CircBBS9 on the progression of osteosarcoma.</p></div><div><h3>Results</h3><p><span><span>The findings of the study demonstrated the up-regulated expression of CircBBS9 in osteosarcoma. The Actinomycin D and </span>RNase<span> R treatment<span> experiments confirmed that circBBS9 is indeed a circRNA. In addition, the knockdown of circBBS9 negatively impacted the migration, proliferation and invasion of osteosarcoma cells. Further investigations illustrated that circBBS9 controlled miR-485-3p and miR-485-3p might directly interact with HMGB1. miR-485-3p had a negative regulatory role in HMGB1's gene expression. Through rescue assays, it was verified that CircBBS9 promoted osteosarcoma progression through the miR-485-3p/HMGB1 axis. Finally, circBBS9 knockdown attenuated the </span></span></span><em>in-vivo</em> growth of osteosarcoma.</p></div><div><h3>Conclusions</h3><p>Conclusively, our study is the first time to examine the possible functional mechanism and regulation roles of CircBBS9 in osteosarcoma. The findings explained that CircBBS9 promoted the malignant osteosarcoma's progression by sponging miR-485-3p/HMGB1 and proposed CircBBS9 as a prognostic biomarker and therapeutic candidate for osteosarcoma patients.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9540276","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":"Hounsfield Unit values on the subchondral bone are related to clinical outcomes in bone marrow stimulation for osteochondral lesions of the talus","authors":"Shingo Kawabata,&nbsp;Tomoyuki Nakasa,&nbsp;Yasunari Ikuta,&nbsp;Junichi Sumii,&nbsp;Akinori Nekomoto,&nbsp;Nobuo Adachi","doi":"10.1016/j.jos.2023.06.002","DOIUrl":"10.1016/j.jos.2023.06.002","url":null,"abstract":"<div><h3>Background</h3><p><span>Poor clinical outcomes in bone marrow stimulation (BMS) for the osteochondral lesion of the talus (OLT) are caused by subchondral bone deterioration. It is reported that microfracture induces </span>endochondral ossification<span> in the subchondral bone, which may affect the subchondral bone condition after BMS. This study analyzed osteosclerotic patterns of the bed in OLTs on computed tomography (CT) images and the relationship between the subchondral bone condition and clinical outcomes of BMS.</span></p></div><div><h3>Methods</h3><p><span>Sixty-nine ankles in 61 patients with OLT were included. Hounsfield unit (HU) on the bed of OLTs was measured on CT images and the pattern of osteosclerosis or absorption in the bed was analyzed. In these patients, 25 ankles in 24 patients underwent BMS. They were divided into 2 groups according to the presence of </span>bone marrow edema (BME) one year after surgery, and clinical outcomes were compared.</p></div><div><h3>Results</h3><p>HUs in the anterior region were significantly higher than those of other areas. In patients with BMS, the JSSF scale for BME positive group (88.0 ± 7.7 points) was significantly lower than that for BME negative group (95.0 ± 6.1 points) (p &lt; 0.05) at the final follow-up. On preoperative CT images, HU values of the central region in the BME-positive group were significantly lower than those in the BME-negative group (p &lt; 0.05).</p></div><div><h3>Conclusion</h3><p>Osteosclerotic changes in the anterior part of the bed were frequently observed, and BMS for the area with low HU values decreased clinical outcomes. BMS should be performed with attention to subchondral bone condition to obtain good clinical outcomes.</p></div><div><h3>Level of evidence</h3><p>4, case series.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9683954","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":"States of contra-lateral rotator cuff – Based on bilateral shoulder ultrasound results of 401 patients","authors":"Tianci Wang ,&nbsp;Jialiang Guo ,&nbsp;Yaru Mi ,&nbsp;Zeng Xiao ,&nbsp;Bing Yin ,&nbsp;Bo Lu ,&nbsp;Heping Deng","doi":"10.1016/j.jos.2023.05.007","DOIUrl":"10.1016/j.jos.2023.05.007","url":null,"abstract":"<div><h3>Background</h3><p>For patients with rotator cuff<span> tear (RCT), the contra-lateral shoulders have higher risk of RCT than general population. It has been proved by several previous studies. The focus of this study is to obtain the data of contra-lateral rotator cuff tear in Chinese population, and to find the rules of contra-lateral rotator cuff tear through statistical analysis.</span></p></div><div><h3>Methods</h3><p>From March 2016 to January 2020, patients who underwent shoulder arthroscopic surgery were included in the study, we conduct bilateral shoulder ultrasound before surgery, patients information collection include gender, age, occupation and whether received contra-lateral rotator cuff surgery within 1–3 years. The above information was statistically analyzed.</p></div><div><h3>Results</h3><p>According to the inclusion and exclusion criteria, 401 patients were included. The incidence of contra-lateral rotator cuff tear was 24.3%, 5.58% of them underwent contra-lateral rotator cuff repair surgery within 3 years. The degree of contra-lateral rotator cuff tear was positively correlated with the degree of the primary side; Patients with full-thickness rotator cuff tear were more likely to have contra-lateral rotator cuff tear than patients with partial rotator cuff tear. For patients with supraspinatus tendon tear, the contra-lateral rotator cuff tear risk increases, For patients with subscapularis muscle tear, the contra-lateral rotator cuff tear risk doesn't increases. Contra-lateral rotator cuff tear is related to age, the risk of contra-lateral rotator cuff tear is higher in elderly patients.</p></div><div><h3>Conclusions</h3><p>The contra-lateral RCT data obtained in our study was 24.3%, significantly lower than that of previous studies. The reasons may include ethnic variation, lifestyle, and proportion of heavy physical labor. The condition of contra-lateral rotator cuff is closely related to affected side rotator cuff tear.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9698646","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":"Validity and application of Doiguchi's pelvic tilt measurement method","authors":"Manabu Tsukamoto ,&nbsp;Makoto Kawasaki ,&nbsp;Takayuki Nabeshima ,&nbsp;Hitoshi Suzuki ,&nbsp;Teruaki Fujitani ,&nbsp;Ko Chiba ,&nbsp;Yuichi Doiguchi ,&nbsp;Makoto Osaki ,&nbsp;Akinori Sakai","doi":"10.1016/j.jos.2023.06.007","DOIUrl":"10.1016/j.jos.2023.06.007","url":null,"abstract":"<div><h3>Background</h3><p>The validity of Doiguchi's pelvic tilt measurement method has not been proven. The objective in our study was to validate the method.</p></div><div><h3>Methods</h3><p><span>Our investigation included 73 total hip arthroplasties (THAs) performed using our cup placement procedure from July 2020 to November 2021. Pelvic tilt formed by the pubic symphysis and sacral promontory (PT</span>_PS) in supine and lateral positions was calculated by two methods (the Doiguchi method and the digital reconstructed radiograph (DRR) method using a 3D computer templating system) based on the transverse and longitudinal diameters of the pelvic ring measured immediately before THA.</p></div><div><h3>Results</h3><p>There was a strong/moderate correlation in the values of PT_PS between the Doiguchi and DRR methods. However, the value of PT_PS calculated by the Doiguchi method was significantly lower than that calculated by DRR, and there was a partially direct match. On the other hand, there was no significant difference in the value of PT change from supine to lateral position between the Doiguchi and DRR methods. The PT changes based on both methods were strongly correlated, and the PT change calculated by the Doiguchi method was almost identical to that calculated by the DRR method.</p></div><div><h3>Conclusions</h3><p>Doiguchi's pelvic tilt measurement method was validated for the first time. These results demonstrated that the ratio of the transverse and longitudinal diameters of the pelvic ring was an important factor defining the change in pelvic tilt. The slope in the linear function of the Doiguchi method was found to be almost the correct value, although the intercept of the linear function exhibited individual differences.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9746785","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":"Comparison of “ligamentization” process between preserved insertion hamstring tendon autograft and bone-patellar tendon-bone autograft","authors":"Ravi Gupta ,&nbsp;Sandeep Singh ,&nbsp;Anil Kapoor ,&nbsp;Ashwani Soni ,&nbsp;Rohil Mehta ,&nbsp;Ravinder Kaur ,&nbsp;Gladson David Masih","doi":"10.1016/j.jos.2023.06.014","DOIUrl":"10.1016/j.jos.2023.06.014","url":null,"abstract":"<div><h3>Background</h3><p>Ligamentization is a complex process and effect of preservation of hamstring tendon<span><span> graft insertion on this process is not well studied. Present study was conducted to analyze and compare the ligamentization of semitendinosus gracilis graft with preserved tibial insertion (STGPI) and bone-patellar tendon-bone (BPTB) </span>autografts.</span></p></div><div><h3>Methods</h3><p>A total of 50 sportspeople who underwent ACL reconstruction using either BPTB (group A; n = 25) or STGPI (group B; n = 25) autografts were included in the study. Contrast enhanced MRI was done at 8 months and 14 months post-ACL reconstruction to evaluate the ligamentization using Signal noise quotient (SNQ), graft intensity and enhancement index. Clinical outcomes (Lysholm score) and knee laxity were also assessed at 8 months and 14 months.</p></div><div><h3>Results</h3><p>18/23 (78%) patients in group A and 14/23 (61%) patients in group B had hyperintense graft signal at 8 months (n.s.) and at 14 months, 1/23 patients in group A and none of the patients in group B had hyperintense graft. SNQ at 8 months was 3.6 ± 2 and 3.7 ± 2 in group A and B respectively (n.s.) and at 14 months, SNQ was 2.5 ± 1.5 in group A and 2.4 ± 1.3 in group B (n.s.). Enhancement index at 8 months was 1.5 ± 0.3 and 1.2 ± 0.3 in group A and B respectively (p = 0.0001). Enhancement index at 14 months was 1.21 ± 0.2 in group A and 1.07 ± 0.2 in group B (p = 0.003). Functional outcomes and knee laxity were comparable in both the groups at 8 and 14 months (n.s.).</p></div><div><h3>Conclusion</h3><p>Both the grafts i.e. BPTB and STGPI are similar in terms of rate and extent of ligamentization. Clinical outcomes and knee laxity are also comparable between two grafts.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9889983","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":"Ultrasonography in the evaluation of various factors of developmental dysplasia of the hip in infants: Results from a retrospective study in a large hospital of northwest China","authors":"Tian-tian Dong ,&nbsp;Fang Nie ,&nbsp;Lu-lu Yang ,&nbsp;Ting Wang","doi":"10.1016/j.jos.2023.05.009","DOIUrl":"10.1016/j.jos.2023.05.009","url":null,"abstract":"<div><h3>Background</h3><p>The occurrence and development of developmental dysplasia of the hip (DDH) are related to a variety of factors, which have been reported in the literature, but the literature does not mention factors related to the severity of DDH. The purpose of this study is to analyze the related factors of the occurrence and severity of DDH in combination with the Graf ultrasonic diagnostic classification.</p></div><div><h3>Methods</h3><p><span>This study was a monocentric retrospective study describing the factors associated with DDH in a large hospital of northwest China. A total of 3046 infants (6092 hips) within 6 months after birth using the Graf method were admitted to our department between 2014 and 2018. We analyzed data of DDH. After reviewing medical charts and diagnostic examination results, we assessed whether factors such as ethnicity, gender, gestational age, birth weight, diagnosis age, maternal age, mode of delivery, fetal presentation, </span>amniotic fluid volume and birth order, had any effect on development of hip.</p></div><div><h3>Result</h3><p>① Analysis showed that DDH mostly occurs in female and left hip joint, related to intrauterine fetal presentation, amniotic fluid volume, gestational age, mode of delivery, prenatal weight, and diagnosis age after birth, and the occurrence of DDH is also related to maternal age (All P＜0.05). Ethnicity and first born showed have no obvious correlation with DDH incidence (p = 0.718, 0.147, respectively). ② The strongest correlation was found with amniotic fluid, followed by birth weight. ③ The severity of DDH was correlated with ethnicity, births, prenatal weight, gestational age, diagnosis age and maternal age (All P＜0.05, respectively). ④ There were significant differences in treatment methods, duration and prognosis among different types of DDH.</p></div><div><h3>Conclusions</h3><p>The occurrence and development of DDH are related to a variety of factors. Ultrasound examination can provide an early assessment of the hip development status of infants and may play an important role in establishing an early clinical diagnosis treatment and monitoring and prognosis.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9627414","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":"Low back pain, ultrasonographic muscle thickness measurements and biopsychosocial factors at different trimesters of pregnancy","authors":"Esra Üzelpasaci ,&nbsp;Levent Özçakar ,&nbsp;Serap Özgül ,&nbsp;Ceren Gürşen ,&nbsp;Türkan Akbayrak","doi":"10.1016/j.jos.2023.07.006","DOIUrl":"10.1016/j.jos.2023.07.006","url":null,"abstract":"<div><h3>Background</h3><p>Pregnancy-related low back pain is a multifactorial problem and its assosiation with pain intensity and biopsycosocial factors can not be fully explained. This study aimed to determine the psychosocial as well as biological/physical risk factors associated with self-reported low back pain (LBP) intensity during different trimesters of pregnancy.</p></div><div><h3>Methods</h3><p><span>This cross-sectional study comprised 107 pregnant women. An introductory information form for physical and medical characteristics, Visual Analog Scale<span> (VAS) for low back pain intensity and Oswestry Disability Index (ODI) for degree of loss of functionality, Short Form-36 (SF-36) for </span></span>quality of life<span> and Pregnancy Physical Activity Questionnaire (PPAQ) for physical activity were applied. Abdominal muscle thicknesses and diastasis recti<span> were measured by ultrasonography. Univariate regression was used to analyse associations between each plausible independent variable and low back pain intensity.</span></span></p></div><div><h3>Results</h3><p>Mean LBP intensity during 1st, 2nd ve 3rd trimesters were 26.8 <span><math><mrow><mo>±</mo></mrow></math></span> 20.9, 27.3 <span><math><mrow><mo>±</mo></mrow></math></span> 19.8, 21.6 <span><math><mrow><mo>±</mo></mrow></math></span><span> 20.1 mm, respectively. ODI scores were associated with LBP intensity, explaining 11%, 13% and 26% of LBP severity during the 1st, 2nd ve 3rd trimesters, respectively. Other biological/physical variables like age, body mass index<span>, muscle thickness and diastasis recti were not associated with pain intensity. SF-36 emotional role limitation (coef = −0.03, R2 = 0.20, p = 0.01) in the 3rd trimester and SF-36 pain score in the 1st (coef = −0.04, R2 = 0.12, p = 0.02) and 3rd (coef = −0.05, R2 = 0.26, p = 0.004) trimesters and PPAQ-sedentary was associated during the 2nd trimester (coef = 0.17, R2 = 0.17, p = 0.02) with pain intensity.</span></span></p></div><div><h3>Conclusion</h3><p>ODI scores were associated with LBP intensity in all three trimesters, with SF-36 pain domain in the 1st and 3rd trimesters, with SF-36 emotional role limitation only in the 3rd trimester and with sedentary activity level only in the 2nd trimester. İncreased pain intensity was surprisingly associated with a small number of biopsychosocial factors in all the trimesters. There is need for further large-sample studies.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9873684","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":"Risk factors for lateralization or superiorization of the center of the femoral head in eccentric rotational acetabular osteotomy","authors":"Masanori Okamoto ,&nbsp;Yasuhiko Takegami ,&nbsp;Yusuke Osawa ,&nbsp;Hiroki Iida ,&nbsp;Hiroto Funahashi ,&nbsp;Taisuke Seki ,&nbsp;Shiro Imagama","doi":"10.1016/j.jos.2023.06.010","DOIUrl":"10.1016/j.jos.2023.06.010","url":null,"abstract":"<div><h3>Purpose</h3><p><span><span>This study aimed to clarify the factors that cause the lateralization and superiorization of the femoral head after eccentric rotational </span>acetabular </span>osteotomy<span> (ERAO) by examining the three-dimensional morphology of the osteotomy site using computed tomography (CT).</span></p></div><div><h3>Methods</h3><p><span>This study included 52 patients who underwent ERAO for hip dysplasia. Postoperatively, the center of the femoral head was measured for lateralization and superiorization. We defined the iliac and sciatic osteotomy angles in the coronal and axial CT planes, respectively. The surgical factors for lateralization and superiorization were analysed using multiple </span>logistic regression analysis. We also analysed the relationship between the femoral head relocation and clinical outcomes (as assessed using Japanese Orthopaedic Association (JOA) scores).</p></div><div><h3>Results</h3><p>Thirty-five patients had hips with lateralized femoral heads, and 25 patients’ femoral heads were superiorized. Logistic regression analysis revealed that a higher osteotomy angle of the ilium in the coronal plane served as a significant predictor of superiorization of the femoral head. Similarly, a larger osteotomy angle of the ischium in the axial plane and the amount of change in the lateral centre edge angle were identified as predictors of lateralization. A weak negative correlation was observed between the amount of lateralization and the JOA score.</p></div><div><h3>Conclusion</h3><p>Large osteotomy angles in the superior and posterior aspects of the acetabulum carry a risk of superiorization and lateralization of the center of the femoral head. Surgeons should be aware of the need to chisel through the internal plate to achieve the results described in the ERAO theory.</p></div><div><h3>Study design</h3><p>A single-center, retrospective study.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10132359","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 correlation of the spinoglenoid ganglion cyst size with the electrophysiological alterations of suprascapular nerve and the rotator cuff muscle power","authors":"Sung-Min Rhee ,&nbsp;Vivek Bansal ,&nbsp;Ho Yeon Jeong ,&nbsp;Young Dae Jeon ,&nbsp;Hyeon Jang Jeong ,&nbsp;Joo Han Oh","doi":"10.1016/j.jos.2023.06.004","DOIUrl":"10.1016/j.jos.2023.06.004","url":null,"abstract":"<div><h3>Background</h3><p>Although various treatment options are available for spinoglenoid cyst, including conservative and surgical methods, there is no standard guideline for its surgical decompression. Thus, the purpose of the study was to correlate the size of the spinoglenoid notch ganglion cyst (GC) as revealed by magnetic resonance imaging (MRI) with electrophysiological alterations, muscle power, and pain severity, and to estimate a cut-off value of cyst size to perform a decompression.</p></div><div><h3>Methods</h3><p>Between January 2010 and January 2018, the patients with a GC at the spinoglenoid notch diagnosed on MRI, and who had a minimum follow-up of 2 years after the decompression were included. Maximum cyst diameter as measured on MRI was used for comparison. Electromyography (EMG) and nerve conduction velocity (NCV) studies were performed before the surgery. Peak torque deficit (PTD) percentage compared to opposite shoulder was calculated preoperatively and at 1 year after surgery. Pain severity was estimated using visual analogue scale (VAS) preoperatively.</p></div><div><h3>Results</h3><p>Ten (50%) of 20 patients with GC &gt; 2.2 cm and 1 (5.9%) of 17 patients with GC &lt; 2.2 cm showed EMG/NCV abnormalities (p = 0.019). There was a correlation between the cyst size and the positive EMG/NCV findings (Correlation coefficient (CC) = 0.535, p &lt; 0.001). The preoperative peak torque deficit on the external rotation was correlated with the positive EMG/NCV findings (CC = 0.373, p = 0.021). The PTD was improved significantly at 1 year postoperatively in patients with a GC size &gt;2.2 cm (p = 0.029). The cyst size was not related to the preoperative pain VAS and muscle power.</p></div><div><h3>Conclusions</h3><p>The spinoglenoid cyst size &gt;2.2 cm, but not pain severity or muscle power, correlates with the positive finding of EMG for compressive suprascapular neuropathy. The GC size &gt;2.2 cm can be a reference to decide the need of decompression surgery.</p></div><div><h3>Level of evidence</h3><p>IV, case series.</p></div>","PeriodicalId":16939,"journal":{"name":"Journal of Orthopaedic Science","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9680251","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}