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Operative Versus Nonoperative Management of Pediatric Proximal Humerus Fractures: A Meta-Analysis and Systematic
Hae-Ryong Song1, Mi Hyun Song2
1Department of Orthopaedic Surgery, Korea University Guro Hospital, Seoul, Korea.
Background:
Proximal humerus fractures account for 2% of all pediatric fractures. A nonoperative approach is the treatment of choice for most of these fractures; however, debates continue regarding the treatment of displaced fractures, especially in adolescents. In this study, we aimed to examine demographic data and treatment strategies for proximal humerus fractures in the pediatric population by conducting a meta-analysis. Additionally, we investigated the preferred surgical technique for operative treatment.
Methods:
A systematic online search of databases, including Embase, Medline, PubMed, and Cochrane Library, was conducted to identify studies that matched our search criteria. Data collection was completed on May 1, 2022. Age, sex, degree of angulation, Neer-Horwitz classification, Salter-Harris classification, treatment method (operative vs. nonoperative), and instrument used for internal fixation were classified and documented. Effect size analysis was performed using odds ratios (ORs) or weighted mean differences (WMDs) with 95% confidence intervals (CIs), based on data types.
Results:
Eight studies met our inclusion criteria. Overall, 33% of the patients (n = 195) underwent operative treatment, whereas 67% of them (n = 392) received nonoperative treatment. Among the demographic risk factors, severely displaced fracture type (OR, 10.00; 95% CI, 1.56-64.22; p = 0.020) and older age (WMD, 3.26; 95% CI, 2.29-4.23; p < 0.001) were significantly associated with operative treatment. There was no significant difference in the preference for percutaneous pinning or intramedullary nailing, the most frequently employed surgical techniques (OR, 5.09; 95% CI, 0.65-39.58; p = 0.120).
Conclusions:
The operative treatment rate in pediatric proximal humerus fractures was 33%, which increased to 60% in severely displaced fractures (Neer-Horwitz grade III/IV). Severely displaced fractures and older age significantly contributed to the establishment of a treatment strategy for operative treatment. The choice of surgical technique may seem to be based on the anatomical location of the fracture rather than the surgeon's preference.
