Anterior Cruciate Ligament Injuries in Pediatric Athletes Presenting to Sports Medicine Clinic
نویسندگان
چکیده
BACKGROUND Limited data exist regarding the effect of the growth process on anterior cruciate ligament (ACL) injury risk in male versus female children. HYPOTHESIS The proportion of ACL injuries/sports injuries presenting to clinic will vary by age, sex, and body mass index (BMI). STUDY DESIGN Cross-sectional epidemiologic study. LEVEL OF EVIDENCE Level 3. METHODS The study group consisted of a randomly selected 5% probability sample of all children 5 to 17 years of age presenting to a sports medicine clinic from January 1, 2000 to December 31, 2009; 2133 charts were reviewed. Data collected included demographics, height and weight, injury mechanism, diagnosis, treatment, previous injury, and organized sports. RESULTS A total of 206 ACL tears were analyzed (104 girls, 102 boys). Girls were slightly older than boys (15.1 ± 1.7 vs 14.3 ± 2.1 years; P < 0.01). Male-female comparison of ACL injury/total injury by age revealed that girls had a steeper increase by age than boys. Among 5- to 12-year-olds, boys had a higher ACL injury/total injury ratio than girls (all P < 0.01). Children 13 to 17 years of age showed no significant difference for sex in ACL injury/total injury ratio. As age advanced, the proportion of ACL injuries/total injuries increased for both girls (P < 0.01) and boys (P = 0.04). BMI was independently associated with an ACL injury (P < 0.01). CONCLUSION The proportion of ACL injuries/total injuries was similar for boys and girls aged 13 to 17 years. Girls showed a significantly steeper increase in ACL injury proportion versus boys through puberty. CLINICAL RELEVANCE This study will increase clinician awareness of ACL injury occurrence in young male and female athletes 5 to 12 years of age. Injury prevention efforts should target young girls before the onset of puberty and before injury occurs.
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