Bold values are statistically significant. CRC indicates closed reduction and casting; ESIN, elastic stable intramedullary nail; N, frequency; N%, divided by total in each group (ESIN = 72; CRC = 69); OR, operating room.
Introduction: Lateral humeral condyle fractures account for 12% to 20% of all distal humerus fractures in the pediatric population. When surgery is indicated, fixation may be achieved with either Kirschner-wires or screws. The literature comparing the outcomes of these 2 different fixation methods is currently limited. The purpose of this study is to compare both the complication and union rates of these 2 forms of operative treatment in a multicenter cohort of children with lateral humeral condyle fractures. Methods: This retrospective study was performed across 6 different institutions. Data were retrospectively collected preoperatively and 6 weeks, 3, 6, and 12 months postoperatively. Patients were divided into 2 cohorts based on the type of initial treatment: K-wire fixation and screw fixation. Statistical comparisons between these 2 cohorts were performed with an alpha of 0.05. Results: There were 762 patients included in this study, 72.6% (n=553) of which were treated with K-wire fixation. The mean duration of immobilization was 5 weeks in both cohorts, and most patients in this study demonstrated radiographic healing by 11 weeks postoperatively, regardless of treatment method. Similar reoperation rates were seen among those treated with K-wires and screws (5.6% vs. 4.3%, P=0.473). Elbow stiffness requiring further intervention with physical therapy was significantly more common in those treated with K-wires compared with children treated with screws (21.2% vs. 13.9%, P=0.023) as was superficial skin infection (3.8% vs. 0%, P=0.002), but there was no significant difference in nonunion rates between the two groups (2.4% vs. 1.3%, P=1.000). Conclusion: We found similar success rates between K-wire and screw fixation in this patient population. Contrary to previous studies, we did not find evidence that treatment with screw fixation decreases the likelihood of experiencing nonunion. However, given the unique complications associated with K-wire fixation, such as elbow stiffness and superficial skin infection, the treatment with screw fixation remains a reasonable alternative to K-wire fixation in these patients. Level of Evidence: Level III—retrospective comparative study
Background: Congenital Vertical Talus (CVT) is a rare form of congenital rigid flatfoot. Numerous surgical techniques have been developed over the years in an attempt to definitively correct this deformity. We performed a systematic review and meta-analysis of the existing literature to compare the outcomes of children with CVT treated with different methods. Methods: A detailed systematic search was conducted in accordance with PRISMA guidelines. Radiographic recurrence of the deformity, reoperation rate, ankle arc of motion, and clinical scoring was compared between the following 5 methods: Two-Stage Coleman-Stelling Technique, Direct Medial Approach, Single-Stage Dorsal (Seimon) Approach, Cincinnati Incision, and Dobbs Method. Meta-analyses of proportions were performed, and data were pooled through a random effects model using the DerSimonian and Laird approach. Heterogeneity was assessed using I^2 statistics. The authors used a modified version of the Adelaar scoring system to assess clinical outcomes. An alpha of 0.05 was used for all statistical analysis. Results: Thirty-one studies (580 feet) met the inclusion criteria. The reported incidence of radiographic recurrence of talonavicular subluxation was 19.3%, with 7.8% requiring reoperation. Radiographic recurrence of the deformity was highest in the children treated with the direct medial approach (29.3%) and lowest in the Single-Stage Dorsal Approach cohort (11%) (P<0.05). The reoperation rate was significantly lower in the Single-Stage Dorsal Approach cohort (2%) compared with all other methods (P<0.05). There was no significant difference in the reoperation rates between the other methods. The highest clinical score was seen in the Dobbs Method cohort (8.36), followed by the group treated with the Single-Stage Dorsal Approach (7.81). The Dobbs Method resulted in the largest ankle arc of motion. Conclusion: We found the lowest radiographic recurrence and reoperation rates in the Single-Stage Dorsal Approach cohort, while the highest rate of radiographic recurrence was seen in those treated with the Direct Medial Approach. The Dobbs Method results in higher clinical scores and ankle arc of motion. Future long-term studies focusing on patient-reported outcomes are needed. Level of Evidence: Level III.
Objectives: To assess factors affecting the loss of reduction (LOR) in a large cohort of children with Salter–Harris Type II (SH II) distal radius physeal fractures treated with closed reduction. Design: Retrospective chart review. Setting: Pediatric Level I Trauma Center. Patients/Participants: A total of 141 pediatric patients (73% male, average age: 12.15 ± 2.55 years) that had undergone closed reduction and casting for distal radius physeal fractures from 2006 to 2019 were included in this study. Intervention: Closed reduction and casting. Main Outcome Measurements: Five different radiographic measurements were analyzed at 4 different time points. Follow-up radiographs were assessed in relation to initial reduction. LOR was defined as >5 degrees change of angulation on PA radiographs, >10 degrees change of angulation on lateral radiographs, and/or >25% translation on PA or lateral radiographs. Results: LOR was seen in 28.4% of the patients, most often (68%) in the first 2 weeks after initial reduction. Seven (17.5%) of these patients (average age: 15.2 ± 2.0 years) were treated surgically with closed reduction and percutaneous pinning (CRPP). Patients undergoing CRPP for LOR were an average of 3.4 years older (P < 0.001) than those who underwent nonoperative treatment of LOR. Patients with initial angulation more than 5 degrees on the PA view to be twice as likely to have LOR (P = 0.03). Conclusions: LOR was seen in nearly 1/3 of these patients. Patients with initial higher degree of angulation on the coronal plane are at higher risk for LOR. Age, not the degree of angulation, is the main predictor for potential surgical treatment. Level of Evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
Background: Tibial shaft fractures are the third most common pediatric long bone fracture pattern. Historically, these fractures have been initially treated with closed reduction and casting (CRC). Recently, there has been an increasing trend toward surgical intervention as an initial treatment for these injuries. In an effort to better understand whether this trend is warranted, this study seeks to characterize the clinical and radiographic outcomes of a large number of children who underwent nonoperative treatment with CRC as their initial treatment for pediatric tibial shaft fractures at a single tertiary care center. Methods: Outcomes measured included final alignment, other procedures performed, length of time to full radiographic healing, and length of time in each method of immobilization before progressing to full weight-bearing status. Patients were separated by ages into the following cohorts during statistical analysis: 4 to 8 years, 9 to 12 years, and 13+ years. Differences between continuous variables were analyzed with independent-samples t tests. χ2 tests were used to analyze differences in categorical variables. An α<0.05 was considered statistically significant. Results: A total of 137 patients met our inclusion criteria. The median age was 10.19 years (4.03 to 17.43). The average initial displacement among all age groups was 27.42% (±15.05%). After the initial intervention with CRC, all age groups demonstrated an average of <5 degrees of residual angulation and <20% of residual displacement. Complete radiographic healing was seen in 127 (92.7%) patients by 3 months. Loss of reduction requiring additional clinical intervention was seen in 30 (21.9%) patients with only 5% requiring surgical intervention, whereas malunion was seen in a total of 16 (11.7%) patients at the final visit. There were no cases of compartment syndrome or deep wound infection. Male and initial angulation were the only factors predictive of loss of reduction. Conclusion: Initial intervention with CRC is a safe and effective treatment for the majority of children in all age groups presenting with tibial shaft fractures demonstrating minimal angulation and displacement with surgical intervention being required in only 5% of patients. Further studies are warranted to elucidate the characteristics of patients who may benefit most from initial surgical intervention. Level of Evidence: Level III—retrospective study.
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