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Results for “Ankle Injuries”

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PubMed1994

Failed validation of a clinical decision rule for the use of radiography in acute ankle injury.

AIM: To validate the Ottawa clinical decision rule for the use of radiography in acute ankle injuries. METHOD: A prospective, multicentre trial of 350 adult patients presenting with acute ankle injuries consisting of correlation of the features of the Ottawa clinical decision rule with the results of x-rays. RESULTS: There were 75 fractures in 350 patients, five of which would have been missed by the clinical decision rule. The sensitivity of the rule was 93% with a specificity of 11%. The positive predictive value was 22%, the false negative rate 14%. Fractures that would have been missed by the clinical decision rule included one unstable fracture of the ankle, one fracture of the talus, one calcaneal fracture and one fracture each of the cuboid and navicular. CONCLUSION: The Ottawa clinical decision rule for the use of radiography in acute ankle injuries is unacceptable for application in emergency departments in New Zealand due to a high false negative rate.

Acute Disease↗
PubMed1991

Audit of ankle injuries in an accident and emergency department.

OBJECTIVE: To determine whether the treatment of ankle injuries in an accident and emergency department could be improved by an audit of existing treatment and the creation and use of a protocol. DESIGN: The study consisted of three parts: a review of the current treatment and published reports on treatment, the formation of a protocol, and a study of treatment after introducing the protocol. SETTING: Accident and emergency department of a district general hospital. PATIENTS: 550 patients attending the department with ankle injuries over four months. RESULTS: The review of treatment showed that patients with fractures were detected and treated adequately, but most had radiography. Patients with ligamentous injuries may have been undertreated. After introducing the protocol the number of patients undergoing radiography was reduced from 205 (80%) to 186 (70%) (0.0027 less than p less than 0.01). In 87% of the notes reviewed the protocol had been completed. Sixty six patients with ligamentous injuries were reviewed in the department or soft tissue clinic compared with 20 before the protocol was introduced. There was a 53% reduction in inappropriate referrals to the fracture clinic (13 before v nine after). CONCLUSIONS: Using a protocol can, at little expense, improve the treatment of ankle injuries and reduce the cost of radiology in an accident and emergency department. IMPLICATION: Treatment of other conditions may be improved by introducing a protocol.

Algorithms↗
PubMed1986

Diagnostic dilemmas in foot and ankle injuries.

Differential diagnosis of foot and ankle injuries should include stress fractures of the great toe sesamoids, the shaft of the fifth metatarsal, and the tarsal navicular bone; transchondral talar-dome fractures; fractures of the os trigonum; and dislocating peroneal tendons. Diagnosis of these injuries is challenging because the initial roentgenograms often are normal, and special clinical tests and ancillary studies are required.

Ankle Injuries↗
PubMed1999

Ankle injuries: same joint, different sports.

Specific information on the incidence of ankle injury is not easy to establish, and studies use variable methodology and recording systems. There are problems in recording injury in many sports injury studies (23) as we often cannot calculate the relative risks without denominator data. Although we can estimate that ankle injuries make up about 10-15% of sports-related injury and that soccer and rugby are responsible for most sports-related injury in the United Kingdom, it is difficult to be more specific. Prevention and treatment strategies are also different, and taping and strapping is not widely practiced. Soccer has a particular injury pattern with some injuries particularly associated with the sport.

Ankle Injuries↗
PubMed2003

The epidemiology of knee and ankle injuries on Macquarie Island.

Macquarie Island is a small, rugged sub-Antarctic island with a scientific research station and a considerable reputation for knee and ankle injuries amongst the Australian Antarctic Division expeditioner population. In order to examine the accuracy of this reputation, a 10-year retrospective analysis of all knee and ankle injuries recorded by the Macquarie Island Medical Officer in the medical logs was undertaken. Knee and ankle injuries comprised 13% of the 2,678 recorded medical consultations. The majority of initial injuries occurred in the field and almost a third occurred during work related activities. Ankle ligament sprains were the most commonly recorded injury (17%), followed by achilles tendonitis (14%), enthesopathy of the knee (16%), and chondromalacia patellae (10%). Meniscal tears and collateral ligament of the knee sprains contributed a further 11 and 9%, respectively. While there were few significant knee and ankle injuries during this period, around a third of the expeditioners represented to the Medical Officer with recurrent difficulties.

Adult↗
PubMed1992

Interobserver agreement in the examination of acute ankle injury patients.

The authors' objective was to describe a method for measuring interobserver agreement and to determine the reliability of physical findings used by emergency physicians to assess ankle injury patients. A 3-month prospective survey was designed for use in the emergency departments of two university hospitals. Participants were a convenience sample of 100 adult blunt ankle injury patients. Pairs of emergency staff physicians assessed 22 standardized physical findings in each patient without knowledge of the other assessment. Agreement for each variable was measured by the kappa coefficient, the ratio of actual agreement to potential agreement beyond chance. The variables with the highest interobserver agreement and their kappa values were ability to bear weight (.83); bone tenderness at the base of the fifth metatarsal (.78), at the posterior edge of lateral malleolus (.75), and at the tip of the medial malleolus (.66); and combinations of bone tenderness (.76). Less reliable variables included soft tissue tenderness (.41) or degree of swelling (.18) of the anterior talofibular ligament, ecchymosis (.39), range of motion (.33), bone tenderness at the proximal fibula (-.01), and the anterior drawer sign (-.03). High kappa values indicate that several physical findings, including ability to bear weight and selected sites of bone tenderness, may be reliably assessed in ankle injury patients. This knowledge may give physicians more confidence in their physical examination and allow development of reliable clinical guidelines to diminish the reliance on radiography in ankle injuries.

Adult↗
PubMed1994

Arthroscopic treatment of ankle injuries.

Arthroscopic examination of the ankle joint permits complete examination of the intra-articular structures. With recent advances in equipment and additional experience, numerous ankle problems can be handled arthroscopically. These problems include treatment of soft-tissue and bony impingement, osteochondral lesions of the talus, removal of loose bodies, treatment of acute and chronic fractures, lateral ankle stabilization, and arthroscopic fusion procedures.

Algorithms↗
PubMed1996

The impact of ankle radiographs on the diagnosis and management of acute ankle injuries.

RATIONALE AND OBJECTIVES: We assessed the impact of ankle radiographs on referring physicians' diagnoses and treatment of acute ankle injuries. METHODS: Twenty emergency department physicians prospectively completed questionnaires before and after radiography on 101 patients with acute trauma receiving ankle radiographs. The questionnaires asked physicians to estimate the probability (0-100%) of their most likely diagnosis before and after receiving the radiographic information. We also asked their anticipated and final treatment plans. We calculated the mean gain in diagnostic confidence percentage and the proportion of patients with changed initial diagnoses or anticipated management. RESULTS: The mean gain in diagnostic certainty from ankle radiographs was 34% (95% confidence interval [CI] = 28-40%). Ankle radiographs changed physicians' initial diagnoses in 37% (95% CI = 28-47%) of the patients. Immediate clinical management changed in 30% (95% CI = 22-40%) of the patients. CONCLUSION: Plain ankle radiographs have considerable impact on referring physicians' diagnoses and treatment of acute ankle trauma.

Acute Disease↗
PubMed1992

A study to develop clinical decision rules for the use of radiography in acute ankle injuries.

STUDY OBJECTIVE: To develop decision rules that will predict fractures in patients with ankle injuries, thereby assisting clinicians in being more selective in their use of radiography. DESIGN: Prospective survey of emergency department patients over a five-month period. SETTING: Two university hospital EDs. PARTICIPANTS: One hundred fifty-five adults in a pilot stage and 750 in the main study; all presented with acute blunt ankle injuries. INTERVENTIONS: Thirty-two standardized clinical variables were assessed and recorded on data sheets by staff emergency physicians before radiography. MEASUREMENTS: Variables were assessed for reliability by the kappa coefficient and for association with significant fracture on both ankle and foot radiographic series by univariate analysis. The data then were analyzed by logistic regression and recursive partitioning techniques to develop decision rules for predicting fractures in each radiographic series. MAIN RESULTS: All 70 significant malleolar fractures found in the 689 ankle radiographic series performed were identified among people who had pain near the malleoli and were age 55 years or more, had localized bone tenderness of the posterior edge or tip of either malleolus, or were unable to bear weight both immediately after the injury and in the ED. This rule was 100% sensitive and 40.1% specific for detecting malleolar fractures and would allow a reduction of 36.0% of ankle radiographic series ordered. Similarly, all 32 significant midfoot fractures on the 230 foot radiographic series performed were found among patients with pain in the midfoot and bone tenderness at the base of the fifth metatarsal, the cuboid, or the navicular. CONCLUSION: Highly sensitive decision rules have been developed and will now be validated; these may permit clinicians to confidently reduce the number of radiographs ordered in patients with ankle injuries.

Adult↗
PubMed1965

ANKLE INJURIES.

Explore the source record for details and available documents.

Ankle Injuries↗
PubMed1983

The ankle injury--indications for the selective use of X-rays.

The radiograph is rapidly superseding the clinical examination as the diagnostic tool for acute ankle injuries. Twenty-four independent variables which might help distinguish between soft tissue injuries and fractures at the ankle were identified and then used prospectively to study 150 consecutive patients with ankle injuries. Nineteen patients had fractured ankles (12.7 per cent) and 131 (87.3 per cent) had soft tissue injuries. Only the patient's ability to bear weight on the injured ankle and the presence of tenderness over the lateral aspect of the ankle below the malleolus proved to be helpful. When these 2 signs were present together, regardless of all other variables, there was a 97.5 per cent probability of soft tissue injury P less than 0.005). This study suggests that careful patient assessment will permit more discriminating use of ankle X-rays.

Adolescent↗
PubMed1993

Decision rules for the use of radiography in acute ankle injuries. Refinement and prospective validation.

OBJECTIVE: To validate and refine previously derived clinical decision rules that aid the efficient use of radiography in acute ankle injuries. DESIGN: Survey prospectively administered in two stages: validation and refinement of the original rules (first stage) and validation of the refined rules (second stage). SETTING: Emergency departments of two university hospitals. PATIENTS: Convenience sample of adults with acute ankle injuries: 1032 of 1130 eligible patients in the first stage and 453 of 530 eligible patients in the second stage. MAIN OUTCOME MEASURES: Attending emergency physicians assessed each patient for standardized clinical variables and classified the need for radiography according to the original (first stage) and the refined (second stage) decision rules. The decision rules were assessed for their ability to correctly identify the criterion standard of fractures on ankle and foot radiographic series. The original decision rules were refined by univariate and recursive partitioning analyses. MAIN RESULTS: In the first stage, the original decision rules were found to have sensitivities of 1.0 (95% confidence interval [CI], 0.97 to 1.0) for detecting 121 maleolar zone fractures, and 0.98 (95% CI, 0.88 to 1.0) for detecting 49 midfoot zone fractures. For interpretation of the rules in 116 patients, kappa values were 0.56 for the ankle series rule and 0.69 for the foot series rule. Recursive partitioning of 20 predictor variables yielded refined decision rules for ankle and foot radiographic series. In the second stage, the refined rules proved to have sensitivities of 1.0 (95% CI, 0.93 to 1.0) for 50 malleolar zone fractures, and 1.0 (95% CI, 0.83 to 1.0) for 19 midfoot zone fractures. The potential reduction in radiography is estimated to be 34% for the ankle series and 30% for the foot series. The probability of fracture, if the corresponding decision rule were "negative," is estimated to be 0% (95% CI, 0% to 0.8%) in the ankle series, and 0% (95% CI, 0% to 0.4%) in the foot series. CONCLUSION: Refinement and validation have shown the Ottawa ankle rules to be 100% sensitive for fractures, to be reliable, and to have the potential to allow physicians to safely reduce the number of radiographs ordered in patients with ankle injuries by one third. Field trials will assess the feasibility of implementing these rules into clinical practice.

Adolescent↗
PubMed1998

Magnetic resonance assessment of inversion ankle injuries in children.

A cohort of ten children with X-ray negative inversion ankle injuries were studied using Magnetic Resonance Imaging. The images obtained were scored on six pathological criteria. Despite all ten having normal plain radiographs, 50 per cent were found to have direct evidence of growth plate injury. Seventy per cent of the cohort had periosteal elevation including all those with evidence of growth plate injury. This study supports previous work which suggested that children with 'X-ray' negative acute inversion ankle injuries who exhibited the clinical signs of injury to their lower fibular growth plate most probably have an undisplaced Salter-Harris Type 1 fracture of this structure, despite normal radiographs.

Ankle Injuries↗
PubMed2000

The gender issue: epidemiology of ankle injuries in athletes who participate in basketball.

The increased participation of women in organized athletics has resulted in an interest in gender-related injury patterns. Previous reports have indicated an increased incidence in anterior cruciate knee injuries among female intercollegiate basketball players compared with their male counterparts. The current epidemiologic study prospectively evaluated the relative risk of ankle injuries in scholastic and collegiate basketball players during a 2-year period. Eleven thousand seven hundred eighty athletes participated in this study, 4940 females and 6840 males. There were 1052 ankle injuries. Overall, females had a 25% greater risk of sustaining a Grade I ankle sprain compared with their male counterparts. This increased risk was present in the interscholastic and intercollegiate players. There was no significant difference in the risk for Grades II and III ankle sprains, ankle fractures, or syndesmotic sprains. Male and female athletes doubled their risk for sustaining an ankle injury at the intercollegiate level compared with the interscholastic level.

Adolescent↗