{"title":"Treatment of Klippel-Feil syndrome with symptomatic atlantoaxial instability in a 7-year-old boy : A case report.","authors":"W Pepke, T Renkawitz, S Hemmer","doi":"10.1007/s00132-024-04537-z","DOIUrl":"10.1007/s00132-024-04537-z","url":null,"abstract":"<p><p>Klippel-Feil syndrome (KFS) is a congenital deformity of the cervical spine. Clinical symptoms of KFS are reduced range of motion, short neck and low hairline. In adult KFS patients the deformity can lead to adjacent segmental instability with spinal canal stenosis, radiculopathy and myelopathy. This article reports about the diagnostics and treatment management of juvenile KFS patient with myelopathy due to instability of the C1/C2 segment, subsequent stenosis through the posterior arch of C1 and symptomatic myelopathy. This 7‑year-old boy could be successfully treated with C1 decompression and computer tomography (CT) guided C1/C2 stabilization with pedicle screws under intraoperative neuromonitoring.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"799-804"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11427475/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141908545","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":"[Update on minimally-invasive treatment of Achilles tendon rupture].","authors":"Michael H Amlang, Stefan Rammelt","doi":"10.1007/s00132-024-04557-9","DOIUrl":"10.1007/s00132-024-04557-9","url":null,"abstract":"<p><strong>Background: </strong>Percutaneous and minimally invasive suturing techniques are very important in the treatment of acute Achilles tendon ruptures because they combine the advantages of surgical treatment (low re-rupture rate) and non-opervative treatment (low risk of complications). In the authors' approach, the percutaneous, peritendineum-preserving technique with the Dresden instrument has proven itself as a standard treatment for 20 years.</p><p><strong>Dresden technique: </strong>Strict adherence to the original Dresden technique with posteromedial incision and subfascial preparation is crucial for the safe avoidance of the sural lesions regularly reported in percutaneous procedures. The rupture zone and the peritendineum should not be opened. By adding a third suture and using non-absorbable suture material, stability comparable to the open Krackow suture technique is achieved. Functional aftertreatment with protection in a special boot and appropriate supervision of the patient aims at early rehabilitation while minimizing the risk of re-rupture or loss of tension.</p><p><strong>Outlook: </strong>The focus of future efforts should be to further improve treatment results through individualized postoperative treatment adapted to tendon healing.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"749-757"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142302848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Periprosthetic acetabular fractures: classifications, treatment and challenges].","authors":"Mikolaj Bartosik, Eckart Mayr, Ulf Culemann","doi":"10.1007/s00132-024-04549-9","DOIUrl":"10.1007/s00132-024-04549-9","url":null,"abstract":"<p><p>Periprosthetic acetabular fractures (PPAF) are fractures of the acetabulum with a hip endoprosthesis in place. They are a rare complication, although they are occurring more frequently due to the increase in patients being fitted with total hip arthroplasty (THA) and the long service life of the implants. At present, only a small amount of scientific literature exists, particularly regarding the surgical treatment of these fracture types.The aim of this paper is to provide an overview of the topic of PPAF with a critical review of the current literature and to present the necessary surgical treatment.An evaluation of the current literature on the topic of PPAF with a focus on the surgical treatment of fractures is carried out.Surgical treatment is technically demanding due to the pelvic ring instability with removal of the bone tension for secure acetabular cup fixation and should lead to the recovery of the biomechanical stability of the pelvis and thus the secure anchoring of the acetabular cup. An interdisciplinary approach requiring both trauma surgery and orthopaedic expertise is certainly recommended, as older and comorbid patients with poor bone quality are particularly frequently affected.The treatment of periprosthetic acetabular fractures, especially in older patients, requires not only the individual expertise of surgeon involved in the operation but also a goal-oriented and consistent interdisciplinary approach by the surgeons involved from the fields of orthopaedics and trauma surgery in view of the patients' frequent comorbidities. By working together, the optimal and individualized operation can be performed for the patient.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"773-781"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142047623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
German Joannas, Rafael Barousse, Leandro Casola, Guillermo Arrondo, Stefan Rammelt, Maria Eugenia Fratantoni
{"title":"Value of ultrasound and magnetic resonance imaging in the assessment of Achilles tendon healing following percutaneous repair with the Dresden instrument.","authors":"German Joannas, Rafael Barousse, Leandro Casola, Guillermo Arrondo, Stefan Rammelt, Maria Eugenia Fratantoni","doi":"10.1007/s00132-024-04565-9","DOIUrl":"10.1007/s00132-024-04565-9","url":null,"abstract":"<p><strong>Background: </strong>Percutaneous Achilles tendon (AT) repair with the Dresden instrument is a safe and effective treatment for AT rupture within 15 days after injury. Follow-up includes clinical examination and imaging to assess the healing process and detect possible complications. The findings of each control visit determine the progression of the rehabilitation of each patient.</p><p><strong>Methods: </strong>We assessed the postoperative findings of all patients who underwent AT with the Dresden technique from May 2022 to September 2023, during a follow-up period of 6 months. The study population included 40 male patients between 18 and 59 years of age. Ultrasound (US) and magnetic resonance imaging (MRI) were performed in all patients at day 15 postoperatively and then monthly for 6 months.</p><p><strong>Results: </strong>All patients completed 6 months follow-up and 2 (5%) presented with postoperative wound dehiscence. No sural nerve lesions, reruptures, reoperations or other complications were seen. Both imaging methods showed excellent correlation of findings at all time points. Both methods were effective to assess the hematoma and structural changes of the healing process during the first 3 months. The use of US with Doppler was a useful tool to evaluate blood flow to the tendon stumps. After 3 months no significant morphological changes were observed but the US enabled a dynamic functional assessment of the tendon. After 4 months tissues showed homogenization and decrease of volume without further major changes.</p><p><strong>Conclusion: </strong>Both US and MRI proved to be excellent methods to assess the healing process after percutaneous AT repair. The US performed by an experienced investigator showed advantages over MRI in evaluating the gap between the tendon stumps, the possibility of evaluating the vascularity with Doppler US and assessing the functionality of the healing tendon with dynamic examination, besides being a cheap and easily accessible imaging method.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"731-739"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142302850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Josina Straub, Dominik Szymski, Nike Walter, Yinan Wu, Oliver Melsheimer, Alexander Grimberg, Volker Alt, Arnd Steinbrück, Markus Rupp
{"title":"[Unicondylar knee arthroplasties demonstrate a significantly increased risk of aseptic revisions compared with unconstrained and constrained TKA : Analysis of aseptic revisions after unicondylar and primary total knee arthroplasty of the German Arthroplasty Register].","authors":"Josina Straub, Dominik Szymski, Nike Walter, Yinan Wu, Oliver Melsheimer, Alexander Grimberg, Volker Alt, Arnd Steinbrück, Markus Rupp","doi":"10.1007/s00132-024-04561-z","DOIUrl":"10.1007/s00132-024-04561-z","url":null,"abstract":"<p><strong>Objective: </strong>Owing to the ageing population the implantation rate of total knee arthroplasty (TKA) continues to rise. Aseptic revisions in primary TKA are one of the main causes of revision. The aim of the following study was to determine the incidence of and reasons for aseptic revision in constrained and unconstrained TKA and in unicondylar knee arthroplasty (UKA).</p><p><strong>Methods: </strong>The data collection was carried out with the help of the German Arthroplasty Register (EPRD). The reasons for aseptic revision surgery were worked out using this. The incidence and the comparison of aseptic revisions were analysed with the aid of Kaplan-Meier estimates. A multiple Chi-squared test with the Holm method was used to identify group differences in collateral ligament deficiencies.</p><p><strong>Results: </strong>In total, 300,998 cases of knee arthroplasties were analysed, of which 254,144 (84.4%) were unconstrained TKA, 9993 (3.3%) were constrained TKA and 36,861 (12.3%) were UKA. The rate of aseptic revisions was significantly increased compared with unconstrained and constrained TKA (p < 0.0001). In constrained TKA, a revision rate of 2.0% for aseptic reasons was reported, whereas in unconstrained TKA 1.1% and in UKA 2.7% revision surgeries were identified. After 7 years the rates of aseptic revisions amounted to 3.3% for constrained TKA, 2.8% for unconstrained TKA and 7.8% for UKA. Ligament instability was the most common cause of aseptic revisions and accounted for 13.7% of unconstrained TKA. In constrained TKA ligament instability led to a revision in 2.8% of cases. In UKA, tibial loosening was identified to be the most common cause of revisions at 14.6%, whereas the progression of osteoarthritis was responsible for 7.9% of revisions. Ligament instability was observed in 14.1% of men compared with 15.9% of women in unconstrained TKA and in UKA in 4.6% of cases for both sexes.</p><p><strong>Conclusion: </strong>In patients with UKA the rates of aseptic revision are significantly higher than in unconstrained and constrained TKA. Ligament instability was the most common cause of aseptic revision in unconstrained TKA. In UKA, tibial loosening was the most common cause of revision surgery, whereas the progression of osteoarthritis was the second most common cause. Comparable levels of ligament instability were observed in both sexes.</p><p><strong>Level of evidence: </strong> III, cohort study.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"789-798"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142309305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Surgical or non-operative treatment of acute Achilles tendon rupture : What does the current literature say?]","authors":"Matthias Aurich, Lars Becherer, Stefan Rammelt","doi":"10.1007/s00132-024-04556-w","DOIUrl":"10.1007/s00132-024-04556-w","url":null,"abstract":"<p><strong>Background: </strong>The Achilles tendon is the strongest tendon in humans and is frequently injured, especially in the physically active young to middle-aged population. An increasing frequency of Achilles tendon ruptures (ATR) has been reported in several studies. However, there is no international consensus regarding possible non-operative (N-OP) or operative (surgical) treatment (OP).</p><p><strong>Objectives: </strong>The aim of this article is to semi-quantitatively compare both treatment options for ATR by analyzing the results reported in the literature.</p><p><strong>Material and methods: </strong>For this purpose, relevant categories were identified, and the literature was then evaluated in a PubMed analysis. Ten meta-analyses and two cost analyses were included. The data was extracted according to the categories and evaluated comparatively.</p><p><strong>Results: </strong>OP and N‑OP for acute ATR can lead to equally good restitution of clinical function if early functional rehabilitation is applied. The lower re-rupture rate is an advantage of OP, whereas the lower general complications speak in favor of N‑OP. The minimally invasive or percutaneous surgical technique (M-OP) appears to be advantageous over the open surgical technique (O-OP), although studies show an increased rate of lesions of the sural nerve.</p><p><strong>Conclusion: </strong>There is no consensus regarding the superiority of OP or N‑OP for acute ATR, as several studies conducted since the introduction of early mobilization protocols have shown similar results for these two interventions. Results and complications of M‑OP and O‑OP are also comparable. Considering the available data on the various surgical procedures, the authors prefer the M‑OP technique with adequate sural nerve protection for repair of acute ATR, combined with an early mobilization protocol.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"740-748"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Erick Andrés Cantor, Javier Mauricio Segovia, Sergio Osorio, John Alejandro Murillo Silva, Henry Alexander Vargas, Luis Eduardo Pino, Iván Camilo Triana, Angelica Carolina Sáenz, Pablo Arbeláez Echeverri, Andres Felipe Bejarano
{"title":"Undifferentiated sarcoma arising from fibrous dysplasia in a young adult.","authors":"Erick Andrés Cantor, Javier Mauricio Segovia, Sergio Osorio, John Alejandro Murillo Silva, Henry Alexander Vargas, Luis Eduardo Pino, Iván Camilo Triana, Angelica Carolina Sáenz, Pablo Arbeláez Echeverri, Andres Felipe Bejarano","doi":"10.1007/s00132-024-04525-3","DOIUrl":"10.1007/s00132-024-04525-3","url":null,"abstract":"<p><p>Fibrous dysplasia (FD) is a skeletal disorder characterized by the replacement of normal bone by fibrous tissue. Malignant transformation of FD is extremely rare and has been reported in both monostotic and polyostotic forms of FD. The most frequently reported malignant transformation is osteosarcoma. Among malignant bone tumors, spindle cell sarcomas are uncommon and difficult to diagnose. This report presents the case of a 30-year-old woman with an unusual presentation of a malignant undifferentiated spindle cell neoplasm secondary to fibrous dysplasia. The clinical features, radiological findings and management are discussed.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"703-708"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142094440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Treatment of pediatric bone tumors around the knee].","authors":"Ulrich Lenze, Andreas H Krieg","doi":"10.1007/s00132-024-04538-y","DOIUrl":"10.1007/s00132-024-04538-y","url":null,"abstract":"<p><p>Primary bone tumors are rare but more frequently seen during childhood and with predilection for the distal femur and proximal tibia. Therapy of benign tumors-if indicated-includes surgical resection in most cases, whereas malignant bone tumors such as osteo- and Ewing's sarcomas are treated with chemotherapy, wide resection and/or radiation therapy (Ewing's sarcoma). The reconstruction of emerging bone defects is significantly influenced by surgeon-related preferences and tumor-associated factors, respectively. Double-barrel vascularized fibula grafts or extracorporeally irradiated autografts in combination with a free fibula transplant are preferred biological reconstruction techniques around the knee joint. In cases in which the knee joint cannot be preserved, reconstruction is performed using tumor endoprostheses, but potentially emerging leg length discrepancies after resection of a potent physis must be taken into account. In considerably young patients, rotationplasty might represent a viable option with promising functional results.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"659-666"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141895022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Angioembolization in the management of joint pain: current concepts.","authors":"Naveen Jeyaraman, Filippo Migliorini, Varunkumar Ramkumar, Swaminathan Ramasubramanian, Bishnu Prasad Patro, Nicola Maffulli, Madhan Jeyaraman","doi":"10.1007/s00132-024-04531-5","DOIUrl":"10.1007/s00132-024-04531-5","url":null,"abstract":"<p><p>Joint pain is a common complaint owing to its origin in inflammatory and degenerative joint diseases. Recent research has helped narrow down inadequate angiogenesis as one of the causes. Angioembolization has emerged as a treatment option for this condition when it is refractory to conservative treatment. This review describes angioembolization by elaborating on the mechanism, safety, efficacy, comparative analysis of treatment and the road ahead, in addition to summarizing the existing data on this treatment. The inferences from this review further consolidate transcatheter arterial embolization as one of the prime options for managing joint pain when it is refractory to conservative treatment and label it as one of the most exciting prospects. A limitation of this review is that most of the data were from open label case series or case reports.</p>","PeriodicalId":74375,"journal":{"name":"Orthopadie (Heidelberg, Germany)","volume":" ","pages":"688-697"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141768285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}