scholarly journals Tuberculosis of the extra-axial skeleton in paediatric patients

2021 ◽  
Vol 20 (1) ◽  
Author(s):  
Sravya Vajapey
Keyword(s):  
Diagnostic Tests ◽  
Clinical Presentation ◽  
Compliance Rate ◽  
Diagnostic Testing ◽  
Axial Skeleton ◽  
X Rays ◽  
Level Of Evidence ◽  
Radiographic Findings ◽  
Cell Counts ◽  
Paediatric Patients

ABSTRACT BACKGROUND: Musculoskeletal tuberculosis (MSK TB) is a disease entity that often mimics other orthopaedic conditions in its radiographic and clinical presentation, which can delay diagnosis and treatment. The purpose of this study is to examine the clinical and radiographic presentation as well as the accuracy of various diagnostic tests, treatment, complications and outcome in paediatric patients diagnosed with MSK TB. We aim to provide insight into typical presenting features in order to expedite diagnosis in this perplexing disease. METHODS: We retrospectively reviewed 77 consecutive patients with extra-axial MSK TB treated at our institution over a ten-year period from 2008 to 2018. We collected data on initial clinical presentation, laboratory values, radiographic findings, diagnostic testing, treatment and outcomes. We performed quantitative and qualitative analysis to look for patterns in presentation that can help with diagnosis and factors affecting the clinical outcomes. RESULTS: The most common clinical presentation was pain of the affected limb. Constitutional symptoms were uncommon. Our patients presented with thrombocytosis and anaemia, but normal white cell counts. Inflammatory markers were mildly elevated. Of diagnostic tests employed, the Mantoux skin test yielded the most positive results (70%) followed by tissue PCR (53%). The hip was most frequently involved, followed by the knee and elbow. Most patients presented with normal appearing X-rays. We had a medical compliance rate of 94% with all patients followed up to completion of treatment having resolution of active disease. Thirty-nine per cent of our patients had residual joint stiffness or deformity following completion of treatment, ranging from ankylosis to mildly decreased joint range. CONCLUSION: Patients with MSK TB usually present with non-specific symptoms and signs, and a high index of suspicion should be maintained in endemic areas. Typical haematological findings are an elevated ESR and CRP accompanied by anaemia and thrombocytosis. Radiographs at presentation are non-specific in more than 50% of patients. A combination of diagnostic modalities should be employed as no single test is 100% sensitive or specific. Compliance with medical treatment reliably leads to resolution of the disease. Residual joint pathology is common and needs to be addressed secondarily. Level of evidence: Level 4 Keywords: musculoskeletal tuberculosis, paediatric tuberculosis, joints, anti-tuberculosis treatment, deformity, GeneXpert

scholarly journals Radiological Findings in Patients with H1N1: A Report from the Referral Center of Northwest of Iran

2019 ◽  
Vol 21 (8) ◽  
Author(s):  
Parviz Saleh ◽  
Sepehr Taghizadeh ◽  
Reza Piri ◽  
Sahar Mohammadi ◽  
Mohammad Naghavi-Behzad ◽  
...  
Keyword(s):  
Ct Scan ◽  
Influenza A ◽  
Clinical Presentation ◽  
Medical Center ◽  
Severe Disease ◽  
Influenza Viruses ◽  
X Rays ◽  
Radiological Findings ◽  
Radiographic Findings ◽  
Significant Difference

Background: Influenza viruses are classified into three types of A, B, and C, with H1N1 being a member of the influenza A subtype. The majority of people infected with influenza, namely H1N1, exhibit self-limited, uncomplicated, and acute febrile respiratory symptoms, or are asymptomatic. However, severe disease and complications due to infection, including hospitalization and death may occur. One of the most prominent features of influenza infections are radiologic findings in chest X-rays, computed tomographic scan, and angiographies. Methods: In a descriptive-analytical study, all patients who were diagnosed with H1N1 at the Sina Educational-Medical Center of Tabriz University of Medical Sciences (Tabriz, Iran) from September 2015 to September 2016 were analyzed based on age, clinical presentation, and radiological findings. Results: A total of 53 cases, 30 females (57%) and 23 males (43%), were included in the study. The mean age was 48.45 ± 1.7. The most common clinical presentation was myalgia (92.5%). Chest X-ray (CXR) was done in all patients, 35 cases (66%) were found with bilateral abnormality, 11 cases (20.8%) without abnormality, and seven cases (13.2%) with unilateral abnormality. Chest computerized tomography (CT) scan was also done on all patients, 33 cases (62.2%) were found with bilateral abnormality, 17 cases (32%) without abnormality, and three cases (5.6%) with unilateral abnormality. CT angiography was done in eight patients; none of the patients showed any signs of pulmonary embolism. It was observed that CXR and CT-scan were both precise in studying radiological findings in H1N1. Conclusions: The majority of patients had revealed bilateral abnormality in radiographic findings, and unilateral involvement was less common; in addition, involvement in the superior lobes of the lungs were more common than the basal lobes. CXR and CT scans had no significant difference in diagnosing the disease.

scholarly journals Are Plain X-Rays Necessary in the Diagnosis of De Quervain's Tenosynovitis?

2020 ◽  
Author(s):  
Tyler W. Henry ◽  
Jacob E. Tulipan ◽  
Pedro K. Beredjiklian ◽  
Jonas L. Matzon ◽  
Kevin F. Lutsky
Keyword(s):  
Chart Review ◽  
Corticosteroid Injection ◽  
Radiographic Finding ◽  
Common Finding ◽  
X Rays ◽  
Level Of Evidence ◽  
Radiographic Findings ◽  
Plain Radiographs ◽  
X Ray ◽  
De Quervain’S Tenosynovitis

Abstract Background The routine use of plain radiography represents a significant expenditure and has been proven unnecessary in several orthopedic conditions. The utility of plain radiographs in the diagnosis of De Quervain's tenosynovitis (DeQ) is not clear. Questions/Purpose This study evaluates whether plain radiographic findings routinely predict the need for surgery or alter treatment courses in the initial diagnosis of DeQ. Patients and Methods A total of 200 patients who received wrist X-rays and had a diagnosis of DeQ were retrospectively selected at random. Their images were evaluated for relevant findings, including radial styloid abnormalities, arthritis, and tendon calcification. A chart review was performed to determine whether these X-rays altered the treatment courses. Results Of the 200 patients, 141 (69.1%) cases had at least one positive radiographic finding. Carpometacarpal joint (CMC) arthritis was the most common finding, seen in 63 (30.9%) cases. Of all patients, 141 (69.1%) were treated with corticosteroid injection only, 54 (26.5%) with corticosteroid injection and ultimately surgery, and 9 (4.4%) with surgery alone. There were no significant differences in the rates of surgery with positive X-ray findings. There were no cases in which radiographic findings resulted in a change in management, per the report of the treating physician. Conclusions Despite the high proportion of positive findings on X-ray, no radiographic findings altered the course of treatment in patients with isolated DeQ. Obtaining plain radiographs for isolated DeQ represents a significant cost and should be reserved for cases in which the results are preemptively deemed likely to influence the treatment course. Level of Evidence This is a level IV study.

Hydrocephalus in Spinal Muscular Atrophy: A Case Report and Review of the Literature

2020 ◽  
Author(s):  
Jeetendra P. Sah ◽  
Aaron W. Abrams ◽  
Geetha Chari ◽  
Craig Linden ◽  
Yaacov Anziska
Keyword(s):  
Spinal Muscular Atrophy ◽  
Clinical Characteristics ◽  
Clinical Presentation ◽  
Muscular Atrophy ◽  
Communicating Hydrocephalus ◽  
Type I ◽  
Review Of The Literature ◽  
Radiographic Findings ◽  
Comprehensive Review ◽  
The Relationship

AbstractIn this article, we reported a case of spinal muscular atrophy (SMA) type I noted to have tetraventricular hydrocephalus with Blake's pouch cyst at 8 months of age following intrathecal nusinersen therapy. The association of hydrocephalus with SMA is rarely reported in the literature. Development of hydrocephalus after intrathecal nusinersen therapy is also reported in some cases, but a cause–effect relationship is not yet established. The aim of this study was to describe the clinical characteristics of a patient with SMA type I and hydrocephalus, to review similar cases reported in the literature, and to explore the relationship between nusinersen therapy and development of hydrocephalus. The clinical presentation and radiographic findings of the patient are described and a comprehensive review of the literature was conducted. The adverse effect of communicating hydrocephalus related to nusinersen therapy is being reported and the authors suggest carefully monitoring for features of hydrocephalus developing during the course of nusinersen therapy.

scholarly journals Deferring Routine Wrist Radiography Does Not Affect Management of de Quervain Tendinopathy Patients

2017 ◽  
Vol 07 (02) ◽  
pp. 115-120 ◽  
Author(s):  
Tiffany Liu ◽  
Chia Wu ◽  
David Steinberg ◽  
David Bozentka ◽  
L. Levin ◽  
...  
Keyword(s):  
Physical Examination ◽  
Medical Center ◽  
Academic Medical Center ◽  
Diagnostic Study ◽  
Level Of Evidence ◽  
Radiographic Findings ◽  
Academic Medical ◽  
De Quervain ◽  
Clinical Records ◽  
Surgical Release

Background Obtaining wrist radiographs prior to surgeon evaluation may be wasteful for patients ultimately diagnosed with de Quervain tendinopathy (DQT). Questions/Purpose Our primary question was whether radiographs directly influence treatment of patients presenting with DQT. A secondary question was whether radiographs influence the frequency of injection and surgical release between cohorts with and without radiographs evaluated within the same practice. Patients and Methods Patients diagnosed with DQT by fellowship-trained hand surgeons at an urban academic medical center were identified retrospectively. Basic demographics and radiographic findings were tabulated. Clinical records were studied to determine whether radiographic findings corroborated history or physical examination findings, and whether management was directly influenced by radiographic findings. Frequencies of treatment with injection and surgery were separately tabulated and compared between cohorts with and without radiographs. Results We included 181 patients (189 wrists), with no differences in demographics between the 58% (110 wrists) with and 42% (79 wrists) without radiographs. Fifty (45%) of imaged wrists demonstrated one or more abnormalities; however, even for the 13 (12%) with corroborating history and physical examination findings, wrist radiography did not directly influence a change in management for any patient in this series. No difference was observed in rates of injection or surgical release either upon initial presentation, or at most recent documented follow-up, between those with and without radiographs. No differences in frequency, types, or total number of additional simultaneous surgical procedures were observed for those treated surgically. Conclusion Wrist radiography does not influence management of patients presenting DQT. Level of Evidence This is a level III, diagnostic study.

scholarly journals Prevalence of Morphological Variations Associated With Femoroacetabular Impingement According to Age and Sex: A Study of 1878 Asymptomatic Hips in Nonprofessional Athletes

2021 ◽  
Vol 9 (2) ◽  
pp. 232596712097789
Author(s):  
Rodolfo Morales-Avalos ◽  
Adriana Tapia-Náñez ◽  
Mario Simental-Mendía ◽  
Guillermo Elizondo-Riojas ◽  
Michelle Morcos-Sandino ◽  
...  
Keyword(s):  
Femoroacetabular Impingement ◽  
Alpha Angle ◽  
Cross Sectional Study ◽  
Level Of Evidence ◽  
Crossover Sign ◽  
Cross Sectional ◽  
Radiographic Findings ◽  
Morphological Variations ◽  
Pelvic Radiographs ◽  
Center Edge

Background: Radiographic findings related to the cam and pincer variants of femoroacetabular impingement (FAI) include measurements of the alpha angle and lateral center-edge angle (LCEA). The function of these radiographic findings has been put into question because of high heterogeneity in reported studies. Purpose: The aim of this study was 3-fold: (1) to determine the prevalence of cam and pincer variants according to sex and age on anteroposterior (AP) pelvic radiographs from an asymptomatic nonathletic population, (2) to identify the most common radiographic signs of cam- and pincer-type variants, and (3) to determine if there are variations in the prevalence of these radiographic signs according to sex and age. Study Design: Cross-sectional study; Level of evidence, 3. Methods: There were 3 independent observers who retrospectively analyzed the 939 AP pelvic radiographs (1878 hips) of patients aged 18 to 50 years who did not have hip symptoms and who were not professional athletes. The prevalence of the cam and pincer variants according to the alpha angle and LCEA, respectively, and the presence of other radiographic signs commonly associated with these variables were determined in the overall population and by subgroup according to sex and age group (18-30, 31-40, and 41-50 years). Descriptive and inferential statistics were used to analyze the study sample. Results: The mean age of the included population was 31.0 ± 9.2 years, and 68.2% were male. The prevalence of the cam-type variant was 29.7% (558/1878), and that of the pincer-type variant was 24.3% (456/1878). The radiographic signs that were most associated with the cam and pincer variants were a pistol-grip deformity and the crossover sign, respectively. Significant differences ( P < .001) in the prevalence of these variants were identified between men and women in both variants. No differences were observed in the alpha angle or LCEA according to sex or age. Conclusion: Radiographic findings suggestive of FAI had significant variations with respect to sex and age in this study sample. This study provides information to determine the prevalence of these anatomic variants in the general population.

scholarly journals 114. Implementation of an Empiric Organism Specific Guidelines for Gram-negative Bacteremia in conjunction with Rapid Diagnostic Testing

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S71-S71
Author(s):  
Fidelia Bernice ◽  
Edina Avdic ◽  
Kathryn Dzintars ◽  
Aliyah Cruz
Keyword(s):  
Clinical Status ◽  
Compliance Rate ◽  
Diagnostic Testing ◽  
Specific Treatment ◽  
Resistance Mechanisms ◽  
Primary Objective ◽  
Blood Cultures ◽  
Common Reason ◽  
Empiric Antibiotic Therapy ◽  
Gram Negative

Abstract Background The objective of this study was to confirm the validity of institution specific treatment recommendations targeting organisms identified by GenMark Dx® ePlex® blood cultures identification (BCID) Gram-negative panel prior to susceptibility results. Methods We developed and implemented institution specific guidelines for empiric antibiotic therapy for Gram-negative organisms targeted by GenMark Dx® ePlex® BCID. We utilized blood culture antibiograms, existing evidence for the most optimal agent for each pathogen, probable resistance mechanisms and patient clinical status to create these guidelines. From December 16, 2019 through May 31, 2020, infectious diseases pharmacists reviewed all positive blood cultures; assessed compliance with guidelines and intervened as needed. The primary objective was to determine how frequently guideline recommend agents would be ineffective against targeted pathogens based on susceptibilities. Secondary objectives were compliance with guidelines and frequency of therapy escalation or de-escalation. Results GenMark® testing was completed on 222 cultures positive for Gram-negative rods with target organisms identification in 195 (88%) blood cultures. Two hundred and five organisms were identified; most commonly E. coli (40%) and K. pneumoniae (21%).Resistance markers were detected in 30 aerobic blood cultures; 28 CTX-M, and 2 KPC. Our institutional guideline provided appropriate empiric coverage in 93% of bacteremia episodes. The most common reason for ineffective therapy was the presence of resistance mechanisms not detected by GenMark® test (e.g. non-CTX-M extended spectrum beta-lactamases). The compliance rate with the guidelines was 55%; the most common reason for non-compliance was the use of an anti-pseudmonal beta-lactams in neutropenic patients.. The system failed to identify panel organisms in only 5 (2%) of blood cultures. Conclusion The institution-specific guidelines providing empiric coverage for each organism identified by rapid diagnostic tests can aid antimicrobial stewardship efforts to de-escalate therapy while still providing effective coverage in &gt;90% of cases. Disclosures All Authors: No reported disclosures.

scholarly journals Trauma resource pit stop: increasing efficiency in the evaluation of lower severity trauma patients

2021 ◽  
Vol 6 (1) ◽  
pp. e000670
Author(s):  
Imad S Dandan ◽  
Gail T Tominaga ◽  
Frank Z Zhao ◽  
Kathryn B Schaffer ◽  
Fady S Nasrallah ◽  
...  
Keyword(s):  
Injury Severity ◽  
Diagnostic Testing ◽  
Trauma Team ◽  
Hospital Length ◽  
Hospital Length Of Stay ◽  
Trauma Patients ◽  
Level Of Evidence ◽  
Evaluation Time ◽  
Retrospective Comparison ◽  
Trauma Bay

BackgroundOvertriage of trauma patients is unavoidable and requires effective use of hospital resources. A ‘pit stop’ (PS) was added to our lowest tier trauma resource (TR) triage protocol where the patient stops in the trauma bay for immediate evaluation by the emergency department (ED) physician and trauma nursing. We hypothesized this would allow for faster diagnostic testing and disposition while decreasing cost.MethodsWe performed a before/after retrospective comparison after PS implementation. Patients not meeting trauma activation (TA) criteria but requiring trauma center evaluation were assigned as a TR for an expedited PS evaluation. A board-certified ED physician and trauma/ED nurse performed an immediate assessment in the trauma bay followed by performance of diagnostic studies. Trauma surgeons were readily available in case of upgrade to TA. We compared patient demographics, Injury Severity Score, time to physician evaluation, time to CT scan, hospital length of stay, and in-hospital mortality. Comparisons were made using 95% CI for variance and SD and unpaired t-tests for two-tailed p values, with statistical difference, p<0.05.ResultsThere were 994 TAs and 474 TRs in the first 9 months after implementation. TR’s preanalysis versus postanalysis of the TR group shows similar mean door to physician evaluation times (6.9 vs. 8.6 minutes, p=0.1084). Mean door to CT time significantly decreased (67.7 vs. 50 minutes, p<0.001). 346 (73%) TR patients were discharged from ED; 2 (0.4%) were upgraded on arrival. When admitted, TR patients were older (61.4 vs. 47.2 years, p<0.0001) and more often involved in a same-level fall (59.5% vs. 20.1%, p<0.0001). Undertriage was calculated using the Cribari matrix at 3.2%.DiscussionPS implementation allowed for faster door to CT time for trauma patients not meeting activation criteria without mobilizing trauma team resources. This approach is safe, feasible, and simultaneously decreases hospital cost while improving allocation of trauma team resources.Level of evidenceLevel II, economic/decision therapeutic/care management study.

scholarly journals Novel Radiographic Indexes for Elbow Stability Assessment: Part B—Preliminary Clinical Study

2021 ◽  
Author(s):  
Francesco Luceri ◽  
Davide Cucchi ◽  
Enrico Rosagrata ◽  
Carlo Eugenio Zaolino ◽  
Alessandra Menon ◽  
...  
Keyword(s):  
Case Series ◽  
Radiographic Evaluation ◽  
Healthy Population ◽  
X Rays ◽  
The Novel ◽  
Level Of Evidence ◽  
Orthopaedic Surgeons ◽  
Joint Congruency ◽  
Radiological Parameters ◽  
The Mean

Abstract Introduction The coronoid process plays a key-role in preserving elbow stability. Currently, there are no radiographic indexes conceived to assess the intrinsic elbow stability and the joint congruency. The aim of this study is to present new radiological parameters, which will help assess the intrinsic stability of the ulnohumeral joint and to define normal values of these indexes in a normal, healthy population. Methods Four independent observers (two orthopaedic surgeons and two radiologists) selected lateral view X-rays of subjects with no history of upper limb disease or surgery. The following radiographic indexes were defined: trochlear depth index (TDI); anterior coverage index (ACI); posterior coverage index (PCI); olecranon–coronoid angle (OCA); radiographic coverage angle (RCA). Inter-observer and intra-observer reproducibility were assessed for each index. Results 126 subjects were included. Standardized lateral elbow radiographs (62 left and 64 right elbows) were obtained and analysed. The mean TDI was 0.46 ± 0.06 (0.3–1.6), the mean ACI was 2.0 ± 0.2 (1.6–3.1) and the mean PCI was 1.3 ± 0.1 (1.0–1.9). The mean RCA was 179.6 ± 8.3° (normalized RCA: 49.9 ± 2.3%) and the mean OCA was 24.6 ± 3.7°. The indexes had a high-grade of inter-observer and intra-observer reliability for each of the four observers. Significantly higher values were found for males for TDI, ACI, PCI and RCA. Conclusion The novel radiological parameters described are simple, reliable and easily reproducible. These features make them a promising tool for radiographic evaluation both for orthopaedic surgeons and for radiologists in the emergency department setting or during outpatient services. Level of evidence Basic Science Study (Case Series). Clinical relevance The novel radiological parameters described are reliable, easily reproducible and become handy for orthopaedic surgeons as well as radiologists in daily clinical practice.

scholarly journals Real world cost and health outcomes of patients presented with chest pain in England: which is the most cost-effective first-line test?

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
A Tsiachristas ◽  
H West ◽  
E.K Oikonomou ◽  
B Mihaylova ◽  
N Sabharwall ◽  
...  
Keyword(s):  
Chest Pain ◽  
Health Outcomes ◽  
Diagnostic Tests ◽  
Clinical Presentation ◽  
Cost Effective ◽  
Funding Source ◽  
First Line ◽  
Nice Guidelines ◽  
Exercise Ecg ◽  
Stable Chest Pain

Abstract Background The National Institute for Health and Care Excellence (NICE) updated their guidance for the management of patients with stable chest pain and recommended that all patients undergo computed tomography coronary angiography (CTCA). This update has sparked a great deal of debate, and was followed by upgrade of CTCA into a Class I indication in the recent ESC guidelines. The cost-effectiveness of using CTCA as first line investigation is still unclear. Purpose To describe the current clinical pathway of patients with stable chest pain presented to outpatient clinics, assess the compliance with the updated NICE guideline, and explore the costs and health outcomes of different non-invasive diagnostic tests in real-world clinical setting. Methods We used data of 4,297 patients who attended chest pain clinics in Oxford between 1 January 2014 and 31 July 2018. Data included clinical presentation (e.g. age and previous cardiovascular conditions), diagnostic tests, outpatient visits, hospitalization, and hospital mortality and was compared between 6 alternative first-line diagnostic tests. Multinomial regressions were performed to estimate the probability of receiving each alternative and the associated cost after adjusting for clinical presentation. A decision tree was developed to describe the clinical pathway for each alternative first-line diagnostic in terms of subsequent diagnostic tests and treatments and to estimate the associated costs and life days. Results The proportion of patients who received CTCA as first line diagnostic test increased from 1% in 2014 to 17% in 2018, while the publication of the updated NICE guidelines in 2016 led to a threefold increase in this proportion. CTCA is less likely to be provided as a first-line diagnostic to patients who are younger age, males, smokers, and have angina, PVD, or diabetes. The standardised rate of hospital admission was the lowest in the exercise ECG cohort (0.35 admissions per 1,000 life-days) followed by the CTCA cohort (0.40 admissions per 1,000 life-days) while the latter cohort had the lowest standardised rate of cardiovascular treatment (2.74% per 1,000 life days). Stress echocardiography and MPS were associated with higher costs compared with CTCA, other ECG, and exercise ECG after adjusting for clinical presentation and days of follow-up. CTCA is the pathway most likely to be cost-effective, even compared to exercise ECG, while the other diagnostic alternatives are dominated (i.e. they cost more for less life-days). Conclusions Currently, the updated NICE guidelines for stable chest pain are implemented only to a fifth of the cases in England. Our findings support existing evidence that CTCA is the most-cost effective first-line diagnostic test for this population. Hopefully, this will inform the debate around the implementation of the guidelines and help commissioning and clinical decision processes worldwide. Funding Acknowledgement Type of funding source: Public grant(s) – National budget only. Main funding source(s): National Institute of Health Research Oxford Biomedical Research Centre

Plafond Malreduction and Talar Dome Impaction Accelerates Arthrosis After Supination-Adduction Ankle Fracture

2021 ◽  
pp. 107110072110060
Author(s):  
Michael F. Githens ◽  
Malcolm R. DeBaun ◽  
Kimberly A Jacobsen ◽  
Hunter Ross ◽  
Reza Firoozabadi ◽  
...  
Keyword(s):  
Case Series ◽  
High Energy ◽  
Ankle Fractures ◽  
Posttraumatic Arthritis ◽  
Retrospective Case ◽  
Level Of Evidence ◽  
Radiographic Findings ◽  
Posttraumatic Arthrosis ◽  
Patient Reported

Background: Supination-adduction (SAD) type II ankle fractures can have medial tibial plafond and talar body impaction. Factors associated with the development of posttraumatic arthritis can be intrinsic to the injury pattern or mitigated by the surgeon. We hypothesize that plafond malreducton and talar body impaction is associated with early posttraumatic arthrosis. Methods: A retrospective cohort of skeletally mature patients with SAD ankle fractures at 2 level 1 academic trauma centers who underwent operative fixation were identified. Patients with a minimum of 1-year follow-up were included. The presence of articular impaction identified on CT scan was recorded and the quality of reduction on final intraoperative radiographs was assessed. The primary outcome was radiographic ankle arthrosis (Kellgren-Lawrence 3 or 4), and postoperative complications were documented. Results: A total of 175 SAD ankle fractures were identified during a 10-year period; 79 patients with 1-year follow-up met inclusion criteria. The majority of injuries resulted from a high-energy mechanism. Articular impaction was present in 73% of injuries, and 23% of all patients had radiographic arthrosis (Kellgren-Lawrence 3 or 4) at final follow-up. Articular malreduction, defined by either a gap or step >2 mm, was significantly associated with development of arthrosis. Early treatment failure, infection, and nonunion was rare in this series. Conclusion: Malreduction of articular impaction in SAD ankle fractures is associated with early posttraumatic arthrosis. Recognition and anatomic restoration with stable fixation of articular impaction appears to mitigate risk of posttraumatic arthrosis. Investigations correlating postoperative and long-term radiographic findings to patient-reported outcomes after operative treatment of SAD ankle fractures are warranted. Level of Evidence: Level IV, retrospective case series.

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