Radiography

射线照相术
  • DOI:
    文章类型: Journal Article
    本文旨在回顾当前描述的主要线条和角度,并将其收集在单个文章中,并以系统的方式进行安排,以促进对小儿足部畸形的评估过程。
    这篇综述是一篇范围界定的文献综述。电子数据库网站,如PubMed,欧洲PMC,科克伦图书馆,和谷歌学者除了一些关于解剖学和人体运动生物力学的书籍,诊断放射学,和骨科为本综述的主题搜索相关文章。本综述未应用统计学分析。
    本评论中包含的30篇文章的数据被安排到不同的副标题中。在前后视图(AP)中,后足偏离的评估是通过AP距骨-跟骨角度(风筝角度);前足和中足外展和内收对齐是通过AP距骨-第一跖骨角度,距骨第二跖骨角,跟骨-第二跖骨角,跟五角;前足和中足旋转是通过观察meta骨轴线的正常近端会聚。在侧视图中,后足矢状平面对齐的评估是通过胫骨-跟骨外侧角度进行的;后足内翻或外翻通过距骨-跟骨外侧角度进行的;距骨对齐通过距骨倾角和胫骨-距骨角度进行的;跟骨对齐通过跟骨倾角和胫骨-跟骨角度进行的;足底弓的中足和前足矢状平面通过外侧距骨-迈里角对齐,跟骨倾角,和外侧跟骨-Hibbs-角;通过观察the轴的重叠阴影并绘制其轴线,前足和中足旋转对齐。
    用系统的方法绘制某些线条和角度来评估儿童射线照相胶片中足部的不同区域,可以促进对足部(作为一个整体)畸形的评估过程。
    UNASSIGNED: This article aimed to review the main currently described lines and angles and gather them in a single article and arrange them in a systematic way to facilitate the process of assessment of the pediatric foot for deformities.
    UNASSIGNED: The review was a scoping literature review. Electronic database websites such as PubMed, Europe PMC, Cochrane Library, and Google Scholar in addition to some books on anatomy and human movements biomechanics, diagnostic radiology, and orthopedics were searched for relevant articles for the topic of the present review. No statistical analysis was applied in this review.
    UNASSIGNED: Data from thirty articles included in this review were arranged into different subheadings. In the anteroposterior view (AP), assessment of the hindfoot deviation was by the AP talo-calcaneal angle (Kite\'s angle); the forefoot and midfoot for abduction and adduction alignment was by the AP talo-first metatarsal angle, the talo-second metatarsal angle, the calcaneo-second metatarsal angle, the calcaneofifth metatarsal angle; the forefoot and midfoot rotation was by observing the normal proximal convergence of the metatarsal bones axes. In the lateral view, assessment of the hindfoot sagittal plane alignment was by the lateral tibio-calcaneal angle; hindfoot varus or valgus deviation by the lateral talo-calcaneal angle; talus bone alignment by talar declination angle and the tibio-talar angle; calcaneal bone alignment by the calcaneal inclination angle and the tibio-calcaneal angle, the midfoot and forefoot sagittal plane alignment for the plantar arch by the lateral talo-first metatarsal -Meary\'s- angle, the calcaneal inclination angle, and the lateral calcaneofirst metatarsal -Hibbs- angle; forefoot and midfoot rotational alignment by observing the overlap shadows of the metatarsals\' shafts and drawing their axes.
    UNASSIGNED: Drawing certain lines and angles with a systematic approach to assess different regions of the foot in the radiographic films of children can facilitate the process of assessment of the foot (as a whole) for deformities.
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  • 文章类型: Journal Article
    术语先天性肺畸形(CLM)用于描述具有不同影像学和临床表现的多种病理状况。这些异常源于胚胎肺发育异常,可能发生在产前生活的各个阶段。他们的自然史可以是可变的,呈现广泛的严重程度,包括一直持续到成年的无症状个体,以及那些在新生儿期经历呼吸窘迫的人。通过PubMed数据库,我们对先天性肺异常领域的文献进行了广泛的回顾,包括他们的诊断方法和发现。从我们的RIS-PACS数据库中,我们选择了最终诊断为先天性肺畸形的病例。选择了不同的诊断方法,包括使用X线平片研究的临床病例,CT扫描,产前超声检查,MR图像遇到最多的异常可以分为三类:支气管肺异常(先天性肺气道畸形(CPAM),先天性肺叶过度充气,支气管闭锁,和支气管囊肿),血管异常(动静脉畸形),以及合并的肺和血管异常(弯刀综合征和支气管肺隔离症)。CLM导致显著的发病率和死亡率;因此,认识到这些异常对于最佳的产前咨询和早期的产前和产后管理是必要的.本图片审查旨在报告相关的影像学发现,以便为放射科医生和儿科顾问提供一些鉴别诊断线索。
    The term congenital lung malformation (CLM) is used to describe a wide range of pathological conditions with different imaging and clinical manifestations. These anomalies stem from abnormal embryological lung development, potentially occurring across various stages of prenatal life. Their natural history can be variable, presenting in a wide range of severity levels and encompassing asymptomatic individuals who remain so until adulthood, as well as those who experience respiratory distress in the neonatal period. Through the PubMed database, we performed an extensive review of the literature in the fields of congenital lung abnormalities, including their diagnostic approach and findings. From our RIS-PACS database, we have selected cases with a final diagnosis of congenital lung malformation. Different diagnostic approaches have been selected, including clinical cases studied using plain radiograph, CT scan, prenatal ultrasound, and MR images. The most encountered anomalies can be classified into three categories: bronchopulmonary anomalies (congenital pulmonary airway malformations (CPAMs), congenital lobar hyperinflation, bronchial atresia, and bronchogenic cysts), vascular anomalies (arteriovenous malformation), and combined lung and vascular anomalies (scimitar syndrome and bronchopulmonary sequestration). CLM causes significant morbidity and mortality; therefore, the recognition of these abnormalities is necessary for optimal prenatal counseling and early peri- and postnatal management. This pictorial review aims to report relevant imaging findings in order to offer some clues for differential diagnosis both for radiologists and pediatric consultants.
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  • 文章类型: Journal Article
    本系统综述和荟萃分析讨论了微创手术技术的效果。特别是ReverdinIsham截骨术,关于中度Hallux外翻患者的功能和放射学结果,常见的足部畸形。该综述包括随机和非随机对照试验,以及病例报告,评估成人中度至重度Hallux外翻的截骨术。直到2023年7月,在MEDLINE和WebofScience等电子数据库中进行了搜索,并使用JoannaBriggs研究所的关键评估工具来评估偏差风险。荟萃分析采用小样本校正的随机效应模型,将结果呈现为标准平均差和平均差以及95%置信区间.包括7项研究,涉及554名患者和643名手术脚,显示AOFAS评分显著改善(从28.61到45.16平均改善36分)和放射学角度的减少,例如手术后的远部跖骨角和外翻角(IMA从-4.68提高-3.07°到-1.46,DMAA从-9.52提高-6.12°到-2.71,HVangle从-17.98提高-15.27°)。尽管取得了这些积极成果,大多数研究都表现出偏见和其他方法学局限性的风险,影响结果的泛化性。总的来说,研究结果强调了ReverdinIsham截骨术在改善中度Hallux外翻患者的功能和放射学参数方面的功效,尽管需要进一步的研究来巩固这些结果。这项研究没有收到具体资金,并且该协议在PROSPERO上注册,编号为CRD-42023445886。
    This systematic review and meta-analysis addresses the effects of minimally invasive surgical techniques, specifically the Reverdin Isham osteotomy, on functional and radiological outcomes in patients with moderate Hallux Valgus, a common foot deformity. The review included randomized and non-randomized controlled trials, as well as case reports, assessing the osteotomy in adults with moderate to severe Hallux Valgus. Searches were conducted in electronic databases such as MEDLINE and Web of Science up until July 2023, and the Joanna Briggs Institute\'s critical appraisal tool was used to assess the risk of bias. Meta-analytical analyses employed a random-effects model with small-sample correction, presenting results as standardized mean differences and mean differences with 95% confidence intervals. Seven studies involving 554 patients and 643 operated feet were included, showing significant improvements in AOFAS scores (an average improvement of 36 points from 28.61 to 45.16) and reductions in radiological angles such as the distal metatarsal angle and hallux valgus angle post-surgery (IMA improved by - 3.07° from - 4.68 to - 1.46, DMAA by - 6.12° from - 9.52 to - 2.71, and HVangle by - 15.27° from - 17.98 to - 12.57). Despite these positive outcomes, most studies exhibited risks of bias and other methodological limitations, impacting the generalizability of the results. Overall, the findings highlight the efficacy of the Reverdin Isham osteotomy in improving both functional and radiological parameters in patients with moderate Hallux Valgus, although further research is warranted to solidify these results. No specific funding was received for this study, and the protocol was registered on PROSPERO with the number CRD-42023445886.
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  • DOI:
    文章类型: Systematic Review
    文献报道了髋臼发育不良的患病率。这种差异可能是由于调查人群的差异以及针对髋部疼痛和骨关节炎的队列的研究。有报道称,没有髋部疼痛的成年人的影像学髋关节发育不良患病率,但没有对这些研究的系统评价来记录普通人群的发病率。本系统评价的目的是提供所有报告无髋部疼痛的成人髋关节发育不良患病率的研究的完整摘要。
    PRISMA指南被用作本系统综述的大纲。文章是从PubMed提取的,OVIDMedline,Embase,Scopus,Cochrane临床试验中央注册中心,和clinicaltrials.gov从开始日期到1/7/24。如果参与者无症状且报告患病率,则纳入研究。
    本系统综述包括14项研究。该分析包括5506名参与者中的10998名臀部。影像学髋关节发育不良的总体患病率为2.3%。对5,930例臀部的8项研究报告了按性别分列的髋关节发育不良的患病率。在这些研究中,女性的患病率为3.8%,男性为2.7%。
    基于影像学测量的髋臼发育不良在一般成年人群中相对常见。此外,与男性相比,女性的患病率更高。重要的是要认识到无症状成人人群中髋关节发育不良的发生率,因为我们建议对患有髋关节疼痛和发育不良的患者进行手术治疗。进一步的研究应该调查未经治疗和治疗的髋关节发育不良的自然史。证据等级:III。
    UNASSIGNED: Acetabular dysplasia has a wide range of prevalence reported in the literature. This variation is likely due to differences in the population under investigation and studies focusing on cohorts with hip pain and osteoarthritis. There are reports of radiographic hip dysplasia prevalence for adults without hip pain but there is no systematic review of these studies to document the incidence in the general population. The purpose of this systematic review was to provide a full summary of all studies that report prevalence of hip dysplasia in adults without hip pain.
    UNASSIGNED: PRISMA guidelines were utilized as an outline for this systematic review. Articles were pulled from PubMed, OVID Medline, Embase, SCOPUS, Cochrane Central Register of Clinical Trials, and clinicaltrials.gov from their inception dates to 1/7/24. Studies were included if participants were asymptomatic and reported rates of prevalence.
    UNASSIGNED: Fourteen studies were included in this systematic review. There were 10,998 hips from 5,506 participants included in this analysis. The overall prevalence of radiographic hip dysplasia was 2.3%. Eight studies of 5,930 hips reported the prevalence of hip dysplasia by sex. The prevalence rate in these studies was 3.8% in females and 2.7% in males.
    UNASSIGNED: Acetabular dysplasia based on radiographic measurements is relatively common in the general adult population. Furthermore, females have a higher prevalence rate when compared to males. It is important to recognize the incidence of hip dysplasia in the asymptomatic adult population as we recommend surgical treatment for patients who present with hip pain and dysplasia. Further studies should investigate the natural history of untreated and treated hip dysplasia. Level of Evidence: III.
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  • 文章类型: Journal Article
    在没有有关年龄的书面证据的法医学案件中,经常使用骨骼X光片和牙科检查来估计年龄。腕部和手部X射线照片是最常见的骨骼X射线照片,用于年龄估计。成像的其他部分是肘部,肩膀,膝盖,根据可疑的年龄类别和臀部。通常通过Tanner-Whitehouse方法进行腕部射线照片的年龄估计,其中将每个骨骼的成熟水平分为多个阶段,然后计算最终总分,然后将其转换为骨骼年龄。需要对多个关节进行仔细的评估和解释,以最大程度地减少错误并分类为年龄组。在这篇文章中,我们的目的是总结一个合适的影像学检查和解释,以估计生活儿童的骨龄,青少年,年轻人,和成年人的法医学目的。
    Skeletal radiographs along with dental examination are frequently used for age estimation in medicolegal cases where documentary evidence pertaining to age is not available. Wrist and hand radiographs are the most common skeletal radiograph considered for age estimation. Other parts imaged are elbow, shoulder, knee, and hip according to suspected age categories. Age estimation by wrist radiographs is usually done by the Tanner-Whitehouse method where the maturity level of each bone is categorized into stages and a final total score is calculated that is then transformed into the bone age. Careful assessment and interpretation at multiple joints are needed to minimize the error and categorize into age-group. In this article, we aimed to summarize a suitable radiographic examination and interpretation for bone age estimation in living children, adolescents, young adults, and adults for medicolegal purposes.
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  • 文章类型: Journal Article
    这项对随机对照试验(RCTs)的系统评价旨在比较重要的临床、功能,机器人辅助全髋关节置换术(RATHA)和传统全髋关节置换术(COTHA)患者的放射学结果。我们确定了已发表的RCT,比较了OvidMEDLINE中的RATHA和COTHA,EMBASE,Scopus,科克伦图书馆两名评审员独立进行研究筛选,偏差风险评估和数据提取。主要结果是主要并发症,修订版,患者报告结果测量(PROMs),和放射学结果。我们纳入了8项RCT,涉及1014例患者和977例臀部。主要并发症发生率无差异(相对风险(RR)0.78;95%置信区间(CI)0.22至2.74),修订率(RR1.33;95CI0.08至22.74),RATHA和COTHA之间的PROM(标准化平均差0.01;95CI-0.27至0.30)。与COTHA相比,RATHA对股骨柄排列几乎没有影响(平均差异(MD)-0.57度;95CI-1.16至0.03),但产生了整体小腿长度差异(MD-4.04mm;95CI-7.08至-1.0)。大多数综合估计的证据确定性较低,主要是由于偏差的风险,不一致,和不精确。根据目前的证据,RATHA和COTHA在临床和功能结局方面没有重要差异.微不足道的较高放射学准确性也不太可能具有临床意义。无论如何,需要更有力的证据来提高当前证据的质量和强度。PROSPERO注册:该协议在PROSPERO数据库(CRD42023453294)中注册。所有方法均按照相关指南和规定进行。
    This systematic review of randomized controlled trials (RCTs) aims to compare important clinical, functional, and radiological outcomes between robotic-assisted total hip arthroplasty (RATHA) and conventional total hip arthroplasty (COTHA) in patients with hip osteoarthritis. We identified published RCTs comparing RATHA with COTHA in Ovid MEDLINE, EMBASE, Scopus, and Cochrane Library. Two reviewers independently performed study screening, risk of bias assessment and data extraction. Main outcomes were major complications, revision, patient-reported outcome measures (PROMs), and radiological outcomes. We included 8 RCTs involving 1014 patients and 977 hips. There was no difference in major complication rate (Relative Risk (RR) 0.78; 95% Confidence Interval (CI) 0.22 to 2.74), revision rate (RR 1.33; 95%CI 0.08 to 22.74), and PROMs (standardized mean difference 0.01; 95%CI - 0.27 to 0.30) between RATHA and COTHA. RATHA resulted in little to no effects on femoral stem alignment (mean difference (MD) - 0.57 degree; 95%CI - 1.16 to 0.03) but yielded overall lower leg length discrepancy (MD - 4.04 mm; 95%CI - 7.08 to - 1.0) compared to COTHA. Most combined estimates had low certainty of evidence mainly due to risk of bias, inconsistency, and imprecision. Based on the current evidence, there is no important difference in clinical and functional outcomes between RATHA and COTHA. The trivial higher radiological accuracy was also unlikely to be clinically meaningful. Regardless, more robust evidence is needed to improve the quality and strength of the current evidence.PROSPERO registration: the protocol was registered in the PROSPERO database (CRD42023453294). All methods were carried out in accordance with relevant guidelines and regulations.
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  • 文章类型: Journal Article
    常规X线照相术通常用于评估全髋关节置换术后的并发症。在最近的各种共识会议中,然而,可能感染的髋关节的X线平片被认为仅与排除感染以外的诊断相关.关于假体周围感染(PJI)的影像学表现的可靠数据很少。因此,低级别PJI的放射学特征的预后价值仍不确定.本综述文章旨在概述现有文献,并就未来的观点发展思路,以定义髋部PJI中射线照相的诊断可能性。这项系统评价的主要结果是髋关节假体周围感染的放射学表现。作为次要的关注结果,提供了假体周围感染的放射学表现的敏感性和特异性。在包括的文章中,26条评论散文,或病例报告,只有18个是临床研究。PJI的典型放射学异常是骨膜反应,在水泥-骨或金属-骨界面处具有宽的射线可透性,斑片状骨质溶解,植入物松动,植入物周围的骨吸收,和经皮质窦道.它们发生的频率仍然没有被充分定义。对潜在原因以及微生物与放射学异常之间的关系的更深入了解可能有助于将来的临床医生诊断PJI。这就是为什么进一步的研究应集中在PJI的射线照相特征上。
    Conventional radiography is regularly used to evaluate complications after total hip arthroplasty. In various recent consensus meetings, however, plain radiographs of a potentially infected hip joint have been judged as being only relevant to exclude diagnoses other than infection. Solid data on radiographic presentations of periprosthetic joint infection (PJI) are scarce. As a result, the prognostic value of radiological features in low-grade PJI remains uncertain. The present review article aims to present an overview of the available literature and to develop ideas on future perspectives to define the diagnostic possibilities of radiography in PJIs of the hip. The primary outcome of interest of this systematic review was the radiologic presentation of periprosthetic joint infections of the hip. As secondary outcome of interest served the sensitivity and specificity of the radiologic presentation of periprosthetic joint infections. Of the included articles, 26 were reviews, essays, or case reports and only 18 were clinical studies. Typical radiologic abnormalities of PJI were a periosteal reaction, a wide band of radiolucency at the cement-bone or metal-bone interface, patchy osteolysis, implant loosening, bone resorption around the implant, and transcortical sinus tracts. The frequency of their occurrence is still inadequately defined. A deeper understanding of the underlying causes and the relation between microorganisms to radiologic abnormalities can probably help clinicians in the future to diagnose a PJI. This is why further research shall focus on the radiographic features of PJI.
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  • 文章类型: Journal Article
    我们旨在通过关注术语来探索新骨形成(NBF)类型的影像学定义,发现的描述和位置。
    并行进行了三个系统文献综述,以确定脊柱关节炎(SpA)的影像学脊柱NBF定义,弥漫性特发性骨骼肥大(DISH)和骨关节炎(OA)。研究特征和定义由两名审阅者独立提取。根据定义是否独特,进行了分析和整理,从以前的研究中修改或建立的。
    我们确定了33项研究,这些研究表明了SpA中NBF的定义,DISH为10,脊柱OA为7。在SpA中,综合植物的变化包括描述以及亚型和位置。在12篇文章中包括了人工林和骨赘的分化,基于NBF的起源和角度以及相关发现。DISH的定义在椎骨数量上有所不同,水平和横向。对于OA,五篇文章指出骨赘来自椎体的前部或侧部,和两项研究需要一个尺寸截止。
    我们的最终目标是为SpA创建正式的NBF定义,DISH和OA由地图集指导,通过与国际专家的Delphi练习。在影像学上区分这些疾病的能力的提高不仅使临床医生能够准确地接近患者,而且还将帮助研究人员更好地对患者表型进行分类并专注于准确的影像学结果。
    UNASSIGNED: We aimed to explore the radiographic definitions of types of New Bone formation (NBF) by focusing on the terminology, description and location of the findings.
    UNASSIGNED: Three systematic literature reviews were conducted in parallel to identify the radiographic spinal NBF definitions for spondyloarthritis (SpA), Diffuse Idiopathic Skeletal Hyperostosis (DISH) and Osteorathritis (OA). Study characteristics and definitions were extracted independently by two reviewers. Definitions were analysed and collated based on whether they were unique, modified or established from previous research.
    UNASSIGNED: We identified 33 studies that indicated a definition for the NBF in SpA, 10 for DISH and 7 for spinal OA. In SpA, the variations in syndesmophytes included the description as well as the subtypes and locations. The differentiation of syndesmophytes from osteophytes were included in 12 articles, based on the origin and the angle of the NBF and associated findings. The definitions of DISH varied in the number of vertebrae, level and laterality. For OA, five articles indicated that osteophytes arose from the anterior or lateral aspects of the vertebral bodies, and two studies required a size cut-off.
    UNASSIGNED: Our ultimate aim is to create formal NBF definitions for SpA, DISH and OA guided by an atlas, through a Delphi exercise with international experts. The improved ability to differentiate these conditions radiographically will not only allow the clinicians to accurately approach patients but also will help the researchers to better classify patient phenotypes and focus on accurate radiographic outcomes.
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  • 文章类型: Journal Article
    目的:描述和综合关于诊断放射摄影术中临床决策的文献,来揭示重要的元素,并确定知识差距以进行进一步调查。范围审查问题是:放射诊断技师如何做出临床决定?
    结果:放射技师在做出临床决定之前,在考试期间和之后。射线技师使用的主要信息来源是临床要求,然而,如果他们怀疑什么,他们依赖于同事的观点,而不是基于证据的实践。在临床决策过程中必须考虑许多因素;然而,缺乏自主性,关于临床请求的稀疏信息,缺乏时间会影响这个过程,这可能会导致有效决策的障碍。
    结论:临床决策是基于许多不同的因素,during,在结合不同类型的知识进行考试后,以及X线摄影临床实践中的技术和组织方面。
    结论:有必要将重点放在开发决策要素上。此外,必须更加注重改善放射技师和放射科医师之间的专业内部工作,以促进放射技师根据其临床决策采取行动的机会。
    OBJECTIVE: To describe and synthesise literature on clinical decision-making within diagnostic radiography, to uncover the important elements, and to identify knowledge gaps for further investigation. The scoping review question was: How do diagnostic radiographers make clinical decisions?
    RESULTS: Radiographers make clinical decisions before, during and after examinations. The primary source of information radiographers use is the clinical request, however, if they doubt something, they rely on their colleague\'s points of view rather than evidence-based practice. Many elements must be considered in the clinical decision-making process; however, lack of autonomy, sparse information on the clinical requests, and lack of time affect the process, which can lead to a barrier to effective decision-making.
    CONCLUSIONS: Clinical decisions are made based on many different elements before, during, and after examinations in combination with different types of knowledge, as well as technical and organisational aspects within radiography clinical practice.
    CONCLUSIONS: There is a need to focus on giving more attention to developing the decision-making elements. In addition, there must be more focus on improving intra-professional work between radiographers and radiologists to facilitate radiographers\' opportunities to act on their clinical decisions.
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  • 文章类型: Journal Article
    背景:在没有拉力螺钉且没有结合到板中的压缩机制的情况下,具有隔离的背侧钢板的第一meta趾关节固定术尚未得到很好的研究。虽然骨融合的表面积增加了,人们担心融合率降低和矢状面定位逐渐消失.我们介绍了孤立的背侧钢板固定的融合率和进行性矢状面偏离。
    方法:对41例(43英尺)的患者进行了回顾性分析,这些患者接受了隔离背侧钢板内固定的第一掌趾关节融合术。如果使用另一种固定形式,则排除患者,如果背板有压缩特征,或者使用了方头螺钉。术前,术后即刻,和最终的术后X线照片进行了审查,以评估X线照相对准和融合关于第一meta趾关节。特别注意与第一meta骨有关的拇指背屈。统计显著性设定为P≤0.05。
    结果:患者平均随访55.7周。整体结合率为97.62%。工会的平均时间为42.55天。再次手术率为4.65%,一名患者需要用方头螺钉结构进行改良关节固定术。拇指外展和第一第二跖骨间角矫正达到显著性(P<.00001)。在最初的术后X线片和最终的术后X线片之间,hallux背屈增加了1.05°(P=.542)。
    结论:尽管融合率和矢状面位置的进行性丧失一直是使用孤立的背骨板构造的第一meta趾关节固定术的问题,这些结果表明,这是一个稳定的结构,不会随着时间的推移失去定位。
    BACKGROUND: First metatarsophalangeal joint arthrodesis with isolated dorsal plating without a lag screw and without a compressive mechanism incorporated into the plate is not well studied. Although surface area for bony fusion is increased, there is concern for lower fusion rates and progressive loss of sagittal plane positioning. We present fusion rates and progressive sagittal plane deviation with isolated dorsal plate fixation.
    METHODS: A retrospective review was performed of 41 patients (43 feet) who underwent first metatarsophalangeal joint arthrodesis with isolated dorsal plate fixation. Patients were excluded if another form of fixation was used, if there was a compressive feature to the dorsal plate, or if a lag screw was used. Preoperative, immediate postoperative, and final postoperative radiographs were reviewed to assess radiographic alignment and fusion about the first metatarsophalangeal joint. Specific attention was placed on hallux dorsiflexion in relation to the first metatarsal. Statistical significance was set at P ≤ .05 a priori.
    RESULTS: Patients were followed for an average of 55.7 weeks. Overall union rate was 97.62%. The average time to union was 42.55 days. Reoperation rate was 4.65%, with one patient requiring revisional arthrodesis with a lag screw construct. Hallux abduction and first-second intermetatarsal angle correction reached significance (P < .00001). Hallux dorsiflexion increased by 1.05° between initial postoperative and final postoperative radiographs (P = .542).
    CONCLUSIONS: Although fusion rates and progressive loss of sagittal plane position have been concerns for first metatarsophalangeal joint arthrodesis with an isolated dorsal plate construct, these results suggest this to be a stable construct without loss of positioning over time.
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