Supracondylar humerus fractures are common pediatric injuries. Little is known about the risk factors for repeat operative procedures. A retrospective chart review of 709 patients treated for a displaced supracondylar humerus fracture was performed to identify risk factors for return to the operating room during the initial post-operative period. Deviations of routine fracture care were recorded and complication rates were compared between Gartland type 2 and 3 fractures using logistic regression. Type 3 fractures were found to have a higher complication rate, and, specifically, more peri-operative nerve palsies, more likely to need to return to the operating room for hardware removal, to lose fracture reduction, and require a return to the operating room for any reason. Five risk factors which may require returning to the operating room were identified: younger patient age, left sided fractures, type 3 fractures, peri-operative nerve palsy, and post-operative infection. In conclusion, Gartland type 3 supracondylar humerus fractures are associated with more complications then type 2 fractures. Risk factors for the need to return to the operating room in the post-operative period include: younger patient age, left sided fractures, type 3 fractures, peri-operative nerve palsy, and post-operative infection. Patients with these risk factors should be considered at risk for return to the OR and fracture fixation and follow up protocols should be adjusted for this risk.Level of Evidence : Prognostic Study, Level II.
Level IV, retrospective case series.
Further study of dual semitendinosus allograft for treatment of severe Achilles tendon defects with cyclic loading and investigation of clinical results will better elucidate the clinical utility and indications for this technique.
Background: Complications such as nonunion and infection following ankle arthrodesis can lead to increased patient morbidity and financial burden from repeat operations. Improved knowledge of risk factors can improve patient selection and inform post–ankle arthrodesis surveillance protocols. Methods: This is a large retrospective, database study with structured query of a national insurance claims database (PearlDiver Technologies) for patients treated with ankle arthrodesis from 2015 to 2019 as identified by International Classification of Diseases, Tenth Revision ( ICD-10), codes. Patients with any operation 1 year prior to or following ankle arthrodesis were excluded from analysis to prevent attributing complications to another operation. Likelihoods of nonunion and infection within 1 year and 3 years following ankle arthrodesis were analyzed using Kaplan-Meier estimations. Patient characteristics associated with the identified complications following ankle arthrodesis were analyzed using multivariable logistic regression analyses. Results: Our query yielded 2463 patients in the 5-year period who underwent ankle arthrodesis. Nonunion occurred in 11% (95% CI 10-12) of patients within 1 year of ankle arthrodesis and 16% (95% CI 14-17) of patients within 3 years. Infection occurred in 3.9% (95% CI 3.1-4.7) of patients within 1 year of ankle arthrodesis and in 6.2% (95% CI 5.1-7.2) of patients within 3 years. Obese patients increased odds of nonunion on multivariable analysis (OR 1.6, 95% CI 1.3-2.0; P < .001). On multivariable analysis, diabetes (OR 1.7, 95% CI 1.2-2.6; P = .010) and each 1-unit increase in Elixhauser Comorbidity Index scores (OR 1.1, 95% CI 1.1-1.2; P < .001) contributed to increased odds of infection after ankle arthrodesis. Conclusion: Nonunion and infection following ankle arthrodesis have a 3-year probability of 16% and 6%, respectively. More than one-quarter of patients with nonunion following ankle arthrodesis experience a delay in diagnosis beyond 1 year. The risk of post–ankle arthrodesis nonunion is highest in patients with obesity; the risk of post–ankle arthrodesis infection is highest in patients with diabetes or an elevated Elixhauser Comorbidity Index score. Level of Evidence: Level III, prognostic study.
Background: Lisfranc injuries are among the most debilitating injuries to the foot. Characterization of first tarsometatarsal (TMT) joint involvement in Lisfranc injuries is limited. Multiple studies have indicated that this joint is damaged in a variety of Lisfranc injury patterns, but there is sparse information regarding how often and in what form. Methods: A retrospective review was performed of operative Lisfranc fractures from 2010 to 2020 with patients identified by Combined Procedural Terminology codes. Hardcastle and Myerson Lisfranc injury classifications and computed tomography and radiograph characterizations of the first TMT joint were evaluated by 3 foot and ankle fellowship–trained orthopaedic surgeons. Radiographic characteristics were collected. Light’s kappa coefficient evaluated interrater reliability for injury classification. Injury mechanism and Lisfranc classification effects on the first TMT joint were further assessed using inferential statistics. Results: Of 71 patients with a Lisfranc injury of which 37 (52%) were high energy, 61 (86%) showed radiographic evidence of first TMT joint injury. A fragment was present in the TMT articular surface in 33 (47%) with median size = 8.7 mm and medial capsular avulsion in n = 25 (35%). Forty-eight patients (68%) had medial/lateral TMT joint incongruence ≥2 mm (median overhang = 4 mm), 21 (30%) had dorsal/plantar incongruence (median overhang = 6 mm). Angulation of TMT articular surfaces ≥5 degrees on the transverse/anteroposterior plane occurred in n = 32 (45%) and in n = 12 (17%) on the sagittal/lateral plane, which significantly differed between classifications ( P = .020). Conclusion: The overwhelming majority of Lisfranc midfoot injuries seen at our tertiary referral center had imaging evidence of damage to the first TMT joint (86%), and the incidence may be higher. The most common patterns of first TMT joint involvement we found were joint incongruity, articular surface fractures, angulation of the articular surfaces, and medial capsular ligament avulsion fractures. A better understanding of injuries to the first TMT joint can help orthopaedic surgeons with diagnosis.
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