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Comparison of post-operative three-dimensional and two-dimensional evaluation of component position for total knee arthroplasty. 全膝关节置换术中假体位置三维与二维评价的比较。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-07-13 DOI: 10.1186/s43019-021-00106-2
Osamu Tanifuji, Tomoharu Mochizuki, Hiroshi Yamagiwa, Takashi Sato, Satoshi Watanabe, Hiroki Hijikata, Hiroyuki Kawashima
{"title":"Comparison of post-operative three-dimensional and two-dimensional evaluation of component position for total knee arthroplasty.","authors":"Osamu Tanifuji,&nbsp;Tomoharu Mochizuki,&nbsp;Hiroshi Yamagiwa,&nbsp;Takashi Sato,&nbsp;Satoshi Watanabe,&nbsp;Hiroki Hijikata,&nbsp;Hiroyuki Kawashima","doi":"10.1186/s43019-021-00106-2","DOIUrl":"https://doi.org/10.1186/s43019-021-00106-2","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to evaluate the post-operative three-dimensional (3D) femoral and tibial component positions in total knee arthroplasty (TKA) by the same co-ordinates' system as for pre-operative planning and to compare it with a two-dimensional (2D) evaluation.</p><p><strong>Materials and methods: </strong>Sixty-five primary TKAs due to osteoarthritis were included. A computed tomography (CT) scan of the femur and tibia was obtained and pre-operative 3D planning was performed. Then, 3D and 2D post-operative evaluations of the component positions were performed. KneeCAS (LEXI, Inc., Tokyo, Japan), a lower-extremity alignment assessment system, was used for the 3D post-operative evaluation. Standard short-knee radiographs were used for the 2D post-operative evaluation. Differences between the pre-operative planning and post-operative coronal and sagittal alignment of components were investigated and compared with the results of the 3D and 2D evaluations.</p><p><strong>Results: </strong>According to the 3D evaluation, the difference between the pre-operative planning and actual post-operative sagittal alignment of the femoral component and the coronal and sagittal alignments of the tibial component were 2.6° ± 1.8°, 2.2° ± 1.8° and 3.2° ± 2.4°, respectively. Using the 2D evaluation, they were 1.9° ± 1.5°, 1.3° ± 1.2° and 1.8° ± 1.4°, making the difference in 3D evaluation significantly higher (p = 0.013, = 0.003 and < 0.001). For the sagittal alignment of the femoral component and the coronal and sagittal alignment of the tibial component, the outlier (> ± 3°) ratio for the 3D evaluation was also significantly higher than that of the 2D evaluation (p < 0.001, = 0.009 and < 0.001).</p><p><strong>Conclusions: </strong>The difference between the pre-operative planning and post-operative component alignment in the 3D evaluation is significantly higher than that of the 2D, even if the same cases have been evaluated. Two-dimensional evaluation may mask or underestimate the post-operative implant malposition. Three-dimensional evaluation using the same co-ordinates' system as for pre-operative planning is necessary to accurately evaluate the post-operative component position.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"21"},"PeriodicalIF":3.1,"publicationDate":"2021-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00106-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39180469","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}
引用次数: 6
Asia-Pacific venous thromboembolism consensus in knee and hip arthroplasty and hip fracture surgery: Part 2. Mechanical venous thromboembolism prophylaxis. 亚太地区膝关节和髋关节置换术以及髋部骨折手术中静脉血栓栓塞共识:第二部分。机械性静脉血栓栓塞预防。
IF 4.1
Knee Surgery & Related Research Pub Date : 2021-06-30 DOI: 10.1186/s43019-021-00101-7
Chavarin Amarase, Aree Tanavalee, Viroj Larbpaiboonpong, Myung Chul Lee, Ross W Crawford, Masaaki Matsubara, Yixin Zhou
{"title":"Asia-Pacific venous thromboembolism consensus in knee and hip arthroplasty and hip fracture surgery: Part 2. Mechanical venous thromboembolism prophylaxis.","authors":"Chavarin Amarase, Aree Tanavalee, Viroj Larbpaiboonpong, Myung Chul Lee, Ross W Crawford, Masaaki Matsubara, Yixin Zhou","doi":"10.1186/s43019-021-00101-7","DOIUrl":"10.1186/s43019-021-00101-7","url":null,"abstract":"","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"20"},"PeriodicalIF":4.1,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8243471/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39125082","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}
引用次数: 0
Immediate weight-bearing is safe following lateral locked plate fixation of periprosthetic distal femoral fractures. 股骨远端假体周围骨折外侧锁定钢板固定后立即负重是安全的。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-06-25 DOI: 10.1186/s43019-021-00097-0
Oisin J F Keenan, Lauren A Ross, Matthew Magill, Matthew Moran, Chloe E H Scott
{"title":"Immediate weight-bearing is safe following lateral locked plate fixation of periprosthetic distal femoral fractures.","authors":"Oisin J F Keenan,&nbsp;Lauren A Ross,&nbsp;Matthew Magill,&nbsp;Matthew Moran,&nbsp;Chloe E H Scott","doi":"10.1186/s43019-021-00097-0","DOIUrl":"https://doi.org/10.1186/s43019-021-00097-0","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to determine whether unrestricted weight-bearing as tolerated (WBAT) following lateral locking plate (LLP) fixation of periprosthetic distal femoral fractures (PDFFs) is associated with increased failure and reoperation, compared with restricted weight-bearing (RWB).</p><p><strong>Materials and methods: </strong>In a retrospective cohort study of consecutive patients with unilateral PDFFs undergoing LLP fixation, patients prescribed WBAT were compared with those prescribed 6 weeks of RWB. The primary outcome measure was reoperation. Kaplan-Meier and Cox multivariable analyses were performed.</p><p><strong>Results: </strong>There were 43 patients (mean age 80.9 ± 11.7 years, body mass index 26.8 ± 5.7 kg/m<sup>2</sup> and 86.0% female): 28 WBAT and 15 RWB. There were more interprosthetic fractures in the RWB group (p = 0.040). Mean follow-up was 3.8 years (range 1.0-10.4). Eight patients (18.6%) underwent reoperation. Kaplan-Meier analysis demonstrated no difference in 2-year survival between WBAT (80.6%, 95% CI 65.3-95.9) and RWB (83.3%, 95% CI 62.1-100.0; p = 0.54). Cox analysis showed increased reoperation risk with medial comminution (hazard ratio 10.7, 95% CI 1.5-80; p = 0.020) and decreased risk with anatomic reduction (hazard ratio 0.11, 95% CI 0.01-1.0; p = 0.046). Immediate weight-bearing did not significantly affect the risk of reoperation compared with RWB (relative risk 1.03, 95% CI 0.61-1.74; p = 0.91).</p><p><strong>Conclusions: </strong>LLP fixation failure was associated with medial comminution and non-anatomic reductions, not with postoperative weight-bearing. Medial comminution should be managed with additional fixation. Weight-bearing restrictions additional to this appear unnecessary and should be avoided.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"19"},"PeriodicalIF":3.1,"publicationDate":"2021-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00097-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39108161","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}
引用次数: 7
Asia-Pacific venous thromboembolism consensus in knee and hip arthroplasty and hip fracture surgery: Part 1. Diagnosis and risk factors. 亚太地区在膝关节、髋关节置换术和髋部骨折手术中的静脉血栓栓塞共识:第1部分。诊断和危险因素。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-06-19 DOI: 10.1186/s43019-021-00099-y
Srihatach Ngarmukos, Kang-Il Kim, Siwadol Wongsak, Thanainit Chotanaphuti, Yutaka Inaba, Cheng-Fong Chen, David Liu
{"title":"Asia-Pacific venous thromboembolism consensus in knee and hip arthroplasty and hip fracture surgery: Part 1. Diagnosis and risk factors.","authors":"Srihatach Ngarmukos,&nbsp;Kang-Il Kim,&nbsp;Siwadol Wongsak,&nbsp;Thanainit Chotanaphuti,&nbsp;Yutaka Inaba,&nbsp;Cheng-Fong Chen,&nbsp;David Liu","doi":"10.1186/s43019-021-00099-y","DOIUrl":"https://doi.org/10.1186/s43019-021-00099-y","url":null,"abstract":"","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"18"},"PeriodicalIF":3.1,"publicationDate":"2021-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00099-y","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39247759","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}
引用次数: 15
Cost, safety, and rehabilitation of same-stage, bilateral total knee replacements compared to two-stage total knee replacements. 与两期全膝关节置换术相比,同期双侧全膝关节置换术的成本、安全性和康复。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-06-12 DOI: 10.1186/s43019-021-00098-z
Raymond C W Wan, Jason C H Fan, Yuk-Wah Hung, Ka-Bon Kwok, Carmen K M Lo, Kwong-Yin Chung
{"title":"Cost, safety, and rehabilitation of same-stage, bilateral total knee replacements compared to two-stage total knee replacements.","authors":"Raymond C W Wan,&nbsp;Jason C H Fan,&nbsp;Yuk-Wah Hung,&nbsp;Ka-Bon Kwok,&nbsp;Carmen K M Lo,&nbsp;Kwong-Yin Chung","doi":"10.1186/s43019-021-00098-z","DOIUrl":"https://doi.org/10.1186/s43019-021-00098-z","url":null,"abstract":"<p><strong>Background: </strong>Many patients experience bilateral knee osteoarthritis and require bilateral total knee replacement (TKR). Same-stage, bilateral TKR is proposed to be a cost-effective and safe solution compared to two-stage, but conflicting results in the literature are reported. We aim to compare the costs, safety, and rehabilitation performance of patients in same-stage versus two-stage, bilateral TKR with our centre's perioperative protocol.</p><p><strong>Materials and methods: </strong>We retrospectively reviewed 175 patients (95 same-stage, 80 two-stage) who had undergone bilateral TKR in our centre. Patient selection for same-stage, bilateral TKR was strictly protocol-driven and required fulfilment of all criteria, including age < 75 years, American Society of Anesthesiologists (ASA) grade 1 or 2, body mass index (BMI) < 40, and having non-complex arthritis. All patients followed a standardised pre-operative, intra-operative, and post-operative Enhanced Recovery After Surgery (ERAS) protocol. The cost, safety profiles, and rehabilitation outcomes were compared between the same-stage and two-stage groups.</p><p><strong>Results: </strong>The same-stage, bilateral TKR reduced the length of hospital stays by 5.71 days per patient, decreased the operation time by 27.4 min, saved 3.34 (18.6%) physiotherapy sessions, and 3.78 (51.5%) occupational therapy sessions. The same-stage group experienced a higher haemoglobin drop but no significant difference in transfusion percentage, transfusion volume, complication rate, and readmission rate. The two-stage subgroup with anaesthetic risk, age, and BMI similar to the same-stage group showed the same results. Same-stage, bilateral TKR patients experienced no significant difference in final post-operative pain levels and rehabilitation outcomes as two-stage TKR patients.</p><p><strong>Conclusion: </strong>This study showed that same-stage, bilateral TKR can reduce costs, with similar safety profiles and rehabilitation outcomes compared to the two-stage, bilateral TKR.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"17"},"PeriodicalIF":3.1,"publicationDate":"2021-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00098-z","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39006791","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}
引用次数: 7
Mid-term clinical and radiographic outcomes of porous-coated metaphyseal sleeves used in revision total knee arthroplasty. 全膝关节翻修术中使用多孔涂层干骺端套管的中期临床和影像学结果。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-05-04 DOI: 10.1186/s43019-021-00103-5
Ron Gurel, Samuel Morgan, Etay Elbaz, Itay Ashlenazi, Nimrod Snir, Assaf Kadar, Aviram Gold, Yaniv Warschawski
{"title":"Mid-term clinical and radiographic outcomes of porous-coated metaphyseal sleeves used in revision total knee arthroplasty.","authors":"Ron Gurel,&nbsp;Samuel Morgan,&nbsp;Etay Elbaz,&nbsp;Itay Ashlenazi,&nbsp;Nimrod Snir,&nbsp;Assaf Kadar,&nbsp;Aviram Gold,&nbsp;Yaniv Warschawski","doi":"10.1186/s43019-021-00103-5","DOIUrl":"https://doi.org/10.1186/s43019-021-00103-5","url":null,"abstract":"<p><strong>Background: </strong>The management of bone defects remains one of the major challenges surgeons are faced with in revision total knee arthroplasty (RTKA). Large and uncontained bone defects are traditionally managed with metaphyseal sleeves that facilitate osseointegration and have reported construct stability. While many studies have presented excellent short-term outcomes using metaphyseal sleeves, less is known on their performance in the longer term. The purpose of this study was to present our mid-term results of the metaphyseal sleeves used in patients undergoing RTKA.</p><p><strong>Materials and methods: </strong>Between January 2007 and January 2015, 30 patients underwent RTKA with the use of a CCKMB prosthesis combined with an osteointegrative sleeve. The main indications for RTKA were instability in 40% of the cases (n = 12), aseptic loosening in 30% (n = 9), infection in 26.7% (n = 8), and \"other\" in 3.3% (n = 1). The minimal follow-up time was 5 years and the mean follow-up time was 82.4 months (SD = 22.6). Clinical outcomes were assessed by Knee Society scores (KSS), range of motion and rate of re-operation.</p><p><strong>Results: </strong>The mean Knee Society score increased significantly from 72.1 preoperatively to 90.0 postoperatively (p < 0.001). The cumulative incidence of re-operation in our study was 13.3% (n = 4). Our study reported no cases of aseptic loosening or mobile-bearing spin-out. Knee flexion to 90° and more was impossible in seven cases (23.3%) preoperatively and in one case (3.3%) postoperatively.</p><p><strong>Conclusion: </strong>Porous-coated metaphyseal sleeves demonstrated excellent rates of survivorship and radiographic ingrowth in the mid-term setting. However, further studies are required to assess their outcomes in the long-term.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"16"},"PeriodicalIF":3.1,"publicationDate":"2021-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00103-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38958630","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}
引用次数: 5
Mid-term results and survival rates following a single-design rotating hinge knee arthroplasty in non-tumor conditions in a Pakistani population. 巴基斯坦人群非肿瘤条件下单设计旋转铰链膝关节置换术的中期结果和生存率。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-05-04 DOI: 10.1186/s43019-021-00102-6
Nouman Memon, Faizan Iqbal, Syed Shahid Noor, Kazim Rahim Najjad, Muhammad Farhan Sozera, Arsalan Abro, Noman Khan
{"title":"Mid-term results and survival rates following a single-design rotating hinge knee arthroplasty in non-tumor conditions in a Pakistani population.","authors":"Nouman Memon,&nbsp;Faizan Iqbal,&nbsp;Syed Shahid Noor,&nbsp;Kazim Rahim Najjad,&nbsp;Muhammad Farhan Sozera,&nbsp;Arsalan Abro,&nbsp;Noman Khan","doi":"10.1186/s43019-021-00102-6","DOIUrl":"https://doi.org/10.1186/s43019-021-00102-6","url":null,"abstract":"<p><strong>Background: </strong>Information regarding the use of hinged implants in non-oncological conditions is limited in our region due to a lack of adequate data collection and follow-up. The purpose of this study is to evaluate mid-term results and risk factors affecting the survivorship of third-generation rotating hinge knee (RHK) patients in non-oncological conditions.</p><p><strong>Methods: </strong>We retrospectively reviewed 41 single, third-generation, rotating hinge prostheses in three complex primary knee procedures and 38 revision knee surgeries in between 2007 to 2014. Implant survival was assessed using the Kaplan-Meier method. Factors influencing implant survival were identified using the log-rank test. During the study period, clinical results along with complications were assessed. Clinical outcomes were assessed by using the Knee Society Score (KSS).</p><p><strong>Results: </strong>RHK arthroplasty was used in 41 patients. Out of 41 patients, a RHK was used in three patients with a complex primary deformed knee whereas in 38 patients, a RHK was used in revision arthroplasty surgery. The cumulative implant survival rate with re-revision due to any cause was found to be 87.8% (95% CI 69.2-90.1) at 5-7 years. Prosthetic joint infection, peri-prosthetic fracture and extensor mechanism complications were the commonest mode of failure. The P value was found to be significant when comparing KSS pre-operatively and post-operatively.</p><p><strong>Conclusion: </strong>The cumulative implant survival rate was found to be 87.8%. Prosthetic joint infection was the commonest mode of failure in patients who underwent third-generation RHK surgery for variable indications. Being a patient with a high Charlson comorbidity index is the main risk factor associated with failure of the rotating hinge implant.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"15"},"PeriodicalIF":3.1,"publicationDate":"2021-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00102-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38958632","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}
引用次数: 1
Trends of arthroscopy publications in PubMed and Scopus. PubMed和Scopus中关节镜出版物的趋势。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-04-29 DOI: 10.1186/s43019-021-00096-1
Srinivas B S Kambhampati, Abhishek Vaish, Raju Vaishya, Mohit Kumar Patralekh
{"title":"Trends of arthroscopy publications in PubMed and Scopus.","authors":"Srinivas B S Kambhampati,&nbsp;Abhishek Vaish,&nbsp;Raju Vaishya,&nbsp;Mohit Kumar Patralekh","doi":"10.1186/s43019-021-00096-1","DOIUrl":"https://doi.org/10.1186/s43019-021-00096-1","url":null,"abstract":"<p><strong>Purpose: </strong>Arthroscopy is an established sub-speciality in orthopaedics. With advancing technology, instrumentation and implants, this sub-speciality has seen an explosion of knowledge and techniques since its inception. The indications for arthroscopic management are increasing and, hence, the number of publications on this topic. There has been no study looking into the bibliometrics of all publications within this speciality. The purpose of this study was to look into the trends of published articles on arthroscopy from PubMed and Scopus including studying their citation numbers.</p><p><strong>Materials and methods: </strong>We set out to look into the number of publications from the earliest up to 2019 and their trends and citation numbers in PubMed and Scopus. We also performed a VOS viewer analysis of MeSH terms and titles of publications to look at research trends over time.</p><p><strong>Results: </strong>There were 41,149 articles published on PubMed since 1955 and 50,373 articles on Scopus since 1939. The total number of citations were 912,630 for 38,338 cited articles. With 2864 publications in 2019, there was a more than four-fold increase from the number published in the year 2000. The knee joint was the most frequently published joint with an increasing trend in hip arthroscopy. Cohort studies were the most common with 13,180 articles followed by Reviews with 5746 articles. The top 10 authors, universities and journals were listed along with citation numbers. We analysed the trends of publications for each joint and compared them. Yearly citations have progressively increased to reach a maximum of 45,407 in 2007. Arthroscopy was the most published and cited journal on this topic. The Journal of Bone and Joint Surgery (JBJS) (Am) had the most citations per article. The USA and Hospital for Special Surgery, New York were the most published country and university, respectively.</p><p><strong>Conclusions: </strong>There is a healthy growth of publications on the subject of arthroscopy with a steep increase in the number of publications and citations in recent years. VOS Viewer analysis showed an evolution of research and practice in the field of arthroscopy. Recommendations were made for databases and search engines to improve on the search and analysis of such studies in the future.</p><p><strong>Level of evidence: </strong>4.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"14"},"PeriodicalIF":3.1,"publicationDate":"2021-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00096-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38932147","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}
引用次数: 10
Anterior cruciate ligament femoral-tunnel drilling through an anteromedial portal: 3-dimensional plane drilling angle affects tunnel length relative to notchplasty. 前交叉韧带股骨隧道通过前内侧门静脉钻孔:三维平面钻孔角度影响隧道长度相对于切口成形术。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-04-14 DOI: 10.1186/s43019-021-00092-5
Dong-Kyu Moon, Ho-Seung Jo, Dong-Yeong Lee, Dong-Geun Kang, Hee-Chan Won, Min-Seok Seo, Sun-Chul Hwang
{"title":"Anterior cruciate ligament femoral-tunnel drilling through an anteromedial portal: 3-dimensional plane drilling angle affects tunnel length relative to notchplasty.","authors":"Dong-Kyu Moon,&nbsp;Ho-Seung Jo,&nbsp;Dong-Yeong Lee,&nbsp;Dong-Geun Kang,&nbsp;Hee-Chan Won,&nbsp;Min-Seok Seo,&nbsp;Sun-Chul Hwang","doi":"10.1186/s43019-021-00092-5","DOIUrl":"https://doi.org/10.1186/s43019-021-00092-5","url":null,"abstract":"<p><strong>Background: </strong>Notchplasty is a surgical technique often performed during anterior cruciate ligament reconstruction (ACLR) with widening of the intercondylar notch of the lateral distal femur to avoid graft impingement. The purpose of this study was to correlate femoral-tunnel length with 3-dimensional (3D) drilling angle through the anteromedial (AM) portal with and without notchplasty.</p><p><strong>Materials and methods: </strong>Computer data were collected from an anatomical study using 16 cadaveric knees. The anterior cruciate ligament (ACL) femoral insertion was dissected and outlined for gross anatomical observation. The dissected cadaveric knees were scanned by computed tomography (CT). Three-dimensional measurements were calculated using software (Geomagic, Inc., Research Triangle Park, NC, USA) and included the center of the ACL footprint and the size of the ACL femoral footprint. The femoral-tunnel aperture centers were measured in the anatomical posterior-to-anterior and proximal-to-distal directions using Bernard's quadrant method. The ACL tunnel was created 3-demensionally in the anatomical center of femoral foot print of ACL using software (SolidWorks®, Corp., Waltham, MA, USA). The 8-mm cylinder shaped ACL tunnel was rested upon the anatomical center of the ACL footprint and placed in three different positions: the coronal plane, the sagittal plane, and the axial plane. Finally, the effect of notchplasty on the femoral-tunnel length and center of the ACL footprint were measured. All the above-mentioned studies performed ACLR using the AM portal.</p><p><strong>Results: </strong>The length of the femoral tunnels produced using the low coronal and high axial angles with 5-mm notchplasty became significantly shorter as the femoral starting position became more horizontal. The result was 30.38 ± 2.11 mm on average at 20° in the coronal plane/70° in the axial plane/45° in the sagittal plane and 31.26 ± 2.08 mm at 30° in the coronal plane/60° in the axial plane/45° in the sagittal plane, respectively, comparing the standard technique of 45° in the coronal/45° in the axial/45° in the sagittal plane of 32.98 ± 3.04 mm (P < 0.001). The tunnels made using the high coronal and low axial angles with notchplasty became longer than those made using the standard technique: 40.31 ± 3.36 mm at 60° in the coronal plane/30° in the axial plane/45° in the sagittal plane and 50.46 ± 3.13 mm at 75° in the coronal plane/15° in the axial plane/45° in the sagittal plane (P < 0.001).</p><p><strong>Conclusions: </strong>Our results show that excessive notchplasty causes the femoral tunnel to be located in the non-anatomical center of the ACL footprint and reduces the femoral-tunnel length. Therefore, care should be taken to avoid excessive notchplasty when performing this operation.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"13"},"PeriodicalIF":3.1,"publicationDate":"2021-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00092-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25591960","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}
引用次数: 6
The effect of gender, age, and body mass index on the medial and lateral posterior tibial slopes: a magnetic resonance imaging study. 性别、年龄和体重指数对胫骨内侧和外侧后坡的影响:磁共振成像研究。
IF 3.1
Knee Surgery & Related Research Pub Date : 2021-04-08 DOI: 10.1186/s43019-021-00095-2
Wazzan S Aljuhani, Salman S Qasim, Abdullah Alrasheed, Jumanah Altwalah, Mohammed J Alsalman
{"title":"The effect of gender, age, and body mass index on the medial and lateral posterior tibial slopes: a magnetic resonance imaging study.","authors":"Wazzan S Aljuhani,&nbsp;Salman S Qasim,&nbsp;Abdullah Alrasheed,&nbsp;Jumanah Altwalah,&nbsp;Mohammed J Alsalman","doi":"10.1186/s43019-021-00095-2","DOIUrl":"https://doi.org/10.1186/s43019-021-00095-2","url":null,"abstract":"<p><strong>Background: </strong>The posterior tibial slope (PTS) is crucial in knee joint stability and in maintaining the natural movement of the knee. An increase in the PTS is associated with various knee pathologic conditions, such as anterior cruciate ligament (ACL) injury and anterior tibial translation (ATT). In the present study, we aimed to establish native medial and lateral PTS values for adult Saudis and to identify any association between PTS and gender, age, and body mass index (BMI).</p><p><strong>Materials and methods: </strong>A total of 285 consecutive, normal, magnetic resonance imaging (MRI) studies of the knee were included in the study. The PTS was measured using the proximal anatomical axis of the tibia. The Kruskal-Wallis test was used to compare the medial and lateral PTS angles between age groups. The difference between the medial and lateral posterior tibial slopes was assessed using the Wilcoxon signed-rank test. The Mann-Whitney U test was performed to compare the medial and lateral PTS angles between men and women. Age, gender, and BMI were analyzed by multivariate linear regression to determine whether they positively predict the medial and lateral PTS angles.</p><p><strong>Results: </strong>The mean physiological medial PTS was 5.86 ± 3.0° and 6.61 ± 3.32°, and the lateral PTS was 4.41 ± 3.35° and 4.63 ± 2.85° in men and women, respectively. This difference showed no statistically significant gender dimorphism (p > 0.05). The medial PTS was significantly larger than the lateral PTS (p < 0.0001). There was no statistically significant difference in the medial and lateral PTS angles between age groups (p > 0.05). Higher BMI was significantly associated with a steeper medial PTS (p = 0.001).</p><p><strong>Conclusions: </strong>This study provided native values for medial and lateral PTS angles in Saudis, which can assist surgeons in maintaining normal knee PTS during surgery. The PTS was not influenced by age. The medial PTS was significantly larger than the lateral PTS in men and women. The PTS showed no significant gender dimorphism. BMI was significantly associated with the medial PTS.</p>","PeriodicalId":17886,"journal":{"name":"Knee Surgery & Related Research","volume":"33 1","pages":"12"},"PeriodicalIF":3.1,"publicationDate":"2021-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/s43019-021-00095-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25574746","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}
引用次数: 8
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