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In Vivo Syndesmotic Overcompression After Fixation of Ankle Fractures With a Syndesmotic Injury.

ABSTRACT: The goals of this study were to assess syndesmotic reductions using computerized tomography and to determine whether malreductions are associated with certain injury types or reduction forceps.Prospective cohort.Urban level 1 trauma center.Twenty-seven patients with operatively treated syndesmotic injuries were recruited prospectively.Patients underwent postoperative bilateral computerized tomography of the ankle and hindfoot to assess syndesmotic reduction. The uninjured extremity was used as a control.Side-to-side differences of the fibular position within the tibial incisura were measured at several anatomic points and analyzed based on injury type, the presence of posterior malleolar injury, level of fracture, and type of reduction forceps used.On average, operatively treated syndesmotic injuries were overcompressed (fibular medialization) by 1 mm (P < 0.001) and externally rotated by 5° (P = 0.002) when compared with the uninjured extremity. The absence of a posterior malleolar injury and Weber B (OTA 44-B) fractures seemed to have a protective effect against malrotation, but not against overcompression. There was no difference in malreduction based on the type of the clamp used.It is possible, and highly likely based on these data, to overcompress the syndesmosis when using reduction forceps. Care should be taken to avoid overcompression, as this may affect the ankle motion and functional outcomes. To our knowledge, this is the first in vivo series of syndesmotic overcompression.Prognostic Level IV. See Instructions for Authors for a complete description of levels of evidence.

SUBMITTER: Cherney SM

PROVIDER: S-EPMC4547473 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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In Vivo Syndesmotic Overcompression After Fixation of Ankle Fractures With a Syndesmotic Injury.

Cherney Steven M SM Haynes Jacob A JA Spraggs-Hughes Amanda G AG McAndrew Christopher M CM Ricci William M WM Gardner Michael J MJ

Journal of orthopaedic trauma 20150901 9

<h4>Objectives</h4>The goals of this study were to assess syndesmotic reductions using computerized tomography and to determine whether malreductions are associated with certain injury types or reduction forceps.<h4>Design</h4>Prospective cohort.<h4>Setting</h4>Urban level 1 trauma center.<h4>Patients</h4>Twenty-seven patients with operatively treated syndesmotic injuries were recruited prospectively.<h4>Intervention</h4>Patients underwent postoperative bilateral computerized tomography of the a ...[more]

PMID: 26295735

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Project description:Context:Ankle syndesmotic injuries present a significant challenge for athletes due to prolonged disability and recovery periods. The optimal management of these injuries and rates of return to sport in athletes remains unclear.Objective:The purpose of this study was to evaluate return to sport for athletes after ankle syndesmotic injuries.Data source:The electronic databases MEDLINE, EMBASE, and PubMed were searched for relevant studies from database inception to January 15, 2017, and pertinent data were abstracted.Study selection:Only studies reporting return-to-sport rates after ankle syndesmotic injuries were included.Study design:Systematic review.Level of evidence:Level 4.Data extraction:Two reviewers extracted data from the included studies, which were stored in a standardized collection form (Microsoft Excel). Recorded data included demographics (eg, author, year of publication, study design), descriptive statistics (eg, patient age, percentage male, number of athletes, sample size), and outcomes (eg, time to return to sport, proportion of those who returned to sport, the self-reported questionnaire the Olerud-Molander Ankle Score).Results:A total of 10 studies and 312 patients with ankle syndesmotic injuries were included in this systematic review. The rate of return to preinjury or any injury level of sport after ankle syndesmotic injuries was 93.8% ± 1.2% and 97.6% ± 1.5%, respectively, for the corresponding 7 and 3 studies that reported this characteristic. The mean time to return to sport was 46.4 days (range, 15.4-70 days), with 55.2 ± 15.8 and 41.7 ± 9.8 days for operative and nonoperative management, respectively.Conclusion:This systematic review found a high rate of return to any as well as preinjury level of sport after ankle syndesmotic injury in both operative and nonoperative treatment groups. However, further high-level studies are required to compare operative and nonoperative treatment groups associated with return to sport after ankle syndesmotic injury.

Project description:BackgroundPatients undergoing fixation for foot and ankle fractures may experience poor outcomes despite achieving apparent anatomic reduction. Adjunct arthroscopy to identify missed concomitant injuries and subtle displacements has been proposed as a vehicle to enhance functional results for these patients. The purpose of this review is to provide an overview of the literature regarding arthroscopically assisted open reduction and internal fixation (AAORIF) methods for commonly encountered foot and ankle injuries including pilon, ankle, and calcaneus fractures published to date.MethodsA systematic review of the literature was performed using the PubMed database to access all studies reporting on arthroscopically assisted internal fixation methods for pilon, ankle, and calcaneus fractures. Relevant publications were analyzed for details on their respective study designs, the operative technique used, clinical outcomes, outcome instruments used, and reported complications.ResultsA total of 32 studies were included in this review. Two studies on pilon fractures, a randomized controlled trial (RCT) and case series with a total of 243 patients, met inclusion criteria. Postoperative articular reductions, bone union, and Mazur scores were found to be significantly better for those using adjunct arthroscopy when compared to those with no arthroscopy use. Patient-reported outcomes were overall reported as excellent for most patients, with no difference in patient-reported outcomes reported in the RCT. For ankle fractures, a total of 17 studies comprising of 2 systematic reviews, 1 meta-analysis, 2 RCTs, 5 retrospective comparative studies, 6 case series, and 1 case-control study met inclusion criteria for this review. Results were mixed, though the overall consensus was that arthroscopy use may help to better visualize concomitant intra-articular injuries and is generally considered safe with at least comparable outcomes to conventional methods. For the calcaneus, 13 studies met the criteria. Two studies were review papers, 8 were case series, and 3 were retrospective comparative studies. A total of 308 patients with 316 fractures formed the basis of analysis. In general, the studies found comparable functional outcomes between with or without arthroscopy use, but found that anatomical reductions were significantly improved with the use of arthroscopy.ConclusionsArthroscopy shows promise as a valuable adjunct tool for internal fixation of foot and ankle fractures, though definitive conclusions as to its clinical significance have yet to be drawn because of limited evidence. Potential advantages related to the direct visualization of the fracture site and minimally invasive nature of arthroscopy were suggested throughout studies examined in this review. The presence of intra-articular pathology may lead to unexpectedly poor outcomes seen in some patients who undergo surgical fixation of ankle fractures with an otherwise anatomic reduction on postoperative radiographs; the ability to diagnose and address these lesions with arthroscopy, therefore, has the potential to improve patient outcomes. To date, however, available literature has not shown that significant improvements in anatomical reductions and treatment of these intra-articular injuries provide any improvement in outcomes over standard fixation methods. Few prospective randomized controlled studies have been performed comparing these 2 operative techniques, rendering any suggestion that AAORIF improves clinical outcomes over traditional open fixation difficult to justify. Further research is indicated for what may be a potentially promising surgical adjunct prior to advocating for its routine use in patients.

Project description:Background and purpose - Better outcomes are reported for suture button (SB) compared with syndesmotic screws (SS) in patients treated for an acute ankle syndesmotic injury. One reason could be that screws are more rigid than an SB. A single tricortical 3.5 mm syndesmotic screw (TS) is the most dynamic screw option. Our hypothesis is that 1 SB and 1 TS provide similar results. Therefore, in randomized controlled trial, we compared the results between SB and TS for syndesmotic stabilization in patients with acute syndesmosis injury. Patients and methods - 113 patients with acute syndesmotic injury were randomized to SB (n = 55) or TS (n = 58). The American Orthopedic Foot & Ankle Society (AOFAS) Ankle-Hindfoot Score was the primary outcome measure. Secondary outcome measures included Manchester Oxford Foot Questionnaire (MOXFQ), Olerud-Molander Ankle score (OMA), visual analogue scale (VAS), EuroQol- 5D (EQ-5D), radiologic results, range of motion, complications, and reoperations (no implants were routinely removed). CT scans of both ankles were obtained after surgery, and after 1 and 2 years. Results - The 2-year follow-up rate was 84%. At 2 years, median AOFAS score was 97 in both groups (IQR SB 87-100, IQR TS 90-100, p = 0.7), median MOXFQ index was 5 in the SB group and 3 in the TS group (IQR 0-18 vs. 0-8, p = 0.2), and median OMA score was 90 in the SB group and 100 in the TS group (IQR 75-100 vs. 83-100, p = 0.2). The syndesmotic reduction was similar 2 years after surgery; 19/55 patients in the SB group and 13/58 in the TS group had a difference in anterior syndesmotic width ≥ 2 mm (p = 0.3). 0 patients in the SB group and 5 patients in the TS group had complete tibiofibular synostosis (p = 0.03). At 2 years, 10 TS were broken. Complications and reoperations were similar between the groups. Interpretation - We found no clinically relevant differences regarding outcome scores between the groups. TS is an inexpensive alternative to SB.

Project description:ObjectivesTo determine the diagnostic value of ultrasonography for complete discontinuity of the anterior talofibular ligament (ATFL), the calcaneofibular ligament (CFL) and the anterior inferior tibiofibular ligament (AITFL).MethodsAll acute ankle injuries in adult athletes (> 18 years old) presenting to the outpatient department of a specialised Orthopaedic and Sports Medicine Hospital within 7 days post-injury were assessed for eligibility. Using ultrasonography, one musculoskeletal radiologist assessed the ATFL, CFL and AITFL for complete discontinuity. Dynamic ultrasound measurements of the tibiofibular distance (mm) in both ankles (injured and contralateral) were acquired in the neutral position (N), during maximal external rotation (Max ER), and maximal internal rotation (Max IR). MR imaging was used as a reference standard.ResultsBetween October 2017 and July 2019, 92 acute ankle injuries were included. Ultrasound diagnosed complete discontinuity of the ATFL with 87% (CI 74-95%) sensitivity and 69% (CI 53-82%) specificity. Discontinuity of the CFL was diagnosed with 29% (CI 10-56%) sensitivity and 92% (CI 83-97%) specificity. Ultrasound diagnosed discontinuity of the AITFL with 100% (CI 74-100%) sensitivity and 100% (CI 95-100%) specificity. Of the dynamic measurements, the side-to-side difference in external rotation had the highest diagnostic value for complete discontinuity of the AITFL (sensitivity 82%, specificity 86%; cut-off 0.93 mm).ConclusionsUltrasound has a good to excellent diagnostic value for complete discontinuity of the ATFL and AITFL. Therefore, ultrasound can be used to screen for injury of the ATFL and AITFL. Compared with ultrasound, dynamic ultrasound has inferior diagnostic value for complete discontinuity of the AITFL.Key points• Ultrasound has a good to excellent diagnostic value for complete discontinuity of the anterior talofibular ligament (ATFL) and anterior inferior tibiofibular ligament (AITFL). • Ultrasound can be used to screen for injury of the ATFL and AITFL. • Compared with ultrasound, dynamic ultrasound has inferior diagnostic value for complete discontinuity of the AITFL.

Project description:Ankle fractures are common and can be associated with severe morbidity. Risk factors for short-term adverse events and readmission after open reduction and internal fixation (ORIF) of ankle fractures have not been fully characterized.The purpose of our study was to determine patient rates and risk factors for (1) any adverse event; (2) severe adverse events; (3) infectious complications; and (4) readmission after ORIF of ankle fractures.Patients who underwent ORIF for ankle fracture from 2005 to 2012 were identified in the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP(®)) database using International Classification of Diseases, 9(th) Revision and Current Procedural Terminology codes. Patients with missing perioperative data were excluded from this study. Patient characteristics were tested for association with any adverse event, severe adverse events, infectious complications, and readmission using bivariate and multivariate logistic regression analyses.Of the 4412 patients identified, 5% had an adverse event. Any adverse event was associated with insulin-dependent diabetes mellitus (IDDM; odds ratio [OR], 2.05; 95% confidence interval [CI], 1.35-3.1; p = 0.001), age ? 60 years (OR, 1.97; 95% CI, 1.22-3.2; p = 0.006), American Society of Anesthesiologists classification ? 3 (OR, 1.69; 95% CI, 1.2-2.37; p = 0.002), bimalleolar fracture (OR, 1.6; 95% CI, 1.08-2.37; p = 0.020), hypertension (OR, 1.47; 95% CI, 1.04-2.09; p = 0.031), and dependent functional status (OR, 1.47; 95% CI, 1.02-2.14; p = 0.040) on multivariate analysis. Severe adverse events occurred in 3.56% and were associated with ASA classification ? 3 (OR, 2.01; p = 0.001), pulmonary disease (OR, 1.9; p = 0.004), dependent functional status (OR, 1.8; p = 0.005), and hypertension (OR, 1.65; p = 0.021). Infectious complications occurred in 1.75% and were associated with IDDM (OR, 3.51; p < 0.001), dependent functional status (OR, 2.4; p = 0.002), age ? 60 years (OR, 2.28; p = 0.028), and bimalleolar fracture (OR, 2.19; p = 0.030). Readmission occurred in 3.17% and was associated with ASA classification ? 3 (OR, 2.01; p = 0.017).IDDM was associated with an increased rate of adverse events after ankle fracture ORIF, whereas noninsulin-dependent diabetes mellitus was not. IDDM management deserves future study, particularly with respect to glycemic control, a potential confounder that could not be assessed with the ACS-NSQIP registry. Increased ASA class was associated with readmission, and future prospective investigations should evaluate the effectiveness of increasing the discharge threshold, discharging to extended-care facilities, and/or home nursing evaluations in this at-risk population.Level III, prognostic study.

Dataset Information

In Vivo Syndesmotic Overcompression After Fixation of Ankle Fractures With a Syndesmotic Injury.

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In Vivo Syndesmotic Overcompression After Fixation of Ankle Fractures With a Syndesmotic Injury.

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