Redón TA, León HSR, Villanueva LGC, Ramos ALJ

Language: Spanish
References: 27
Page: 17-25
PDF size: 146.25 Kb.

ABSTRACT

Background: Ligamentum teres suture in surgery for congenital hip has been seldom reported. Methods: This is a prospective trial of 193 children, aged 10 to 35 months, 205 hips, into 3 groups: A) open reduction alone and 6 months of 2-position casting (3 months human and 3 months Lorenz), B) open reduction and ligamentum teres attachment to the acetabulum with 3 months casting in the Lorenz position, and C) same surgery and 3 months casting in human position. Rates of redislocation and necroses, as well as its severity were evaluated. Results: Redislocation occurred in A) 7.2% (out of 97 hips), B) 18.9% (out of 53 hips) and C) 1.8% (out of 55 hips (p = 0.006). Procedures A and C improved their results, since redislocation risk for the group B was 10 times higher than C (p = 0.003) and 3 times higher than A (p = 0.03). Necroses was in A) 33.0%, B) 30.2% and C) 20.0%. According to the Kalamchi severity scale, highest rate of degree-I necroses as well as the lowest rate of degrees III-IV were seen in group A (but A vs C, p = 27). Conclusion: Treatment A decreased severity of necroses, but C had fewer cases of redislocation and of revision surgery.

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