To our knowledge, acquired flexion contractures have not been described in neonates without predisposing neurologic or orthopedic disabilities. We describe an unusual case of acquired flexion contractures that developed as a complication of oxygen administration by hood.
Report of a Case.—A female infant was the 490-g product of a 28- to 30-week pregnancy (estimated by clinical assessment1,2) that was complicated by premature onset of labor and rupture of membranes. After an uncomplicated vaginal delivery, Apgar scores were 1 and 4 at one and five minutes, respectively, and the infant was transferred to the Turner Neonatal Intensive Care Unit, Hermann Hospital, Houston.
The initial physical examination showed decreased subcutaneous tissue consistent with intrauterine growth retardation (weight, length, and head circumference less than the fifth percentile). No other stigmata of intrauterine growth retardation were noted. There were no restrictions of joint mobility at that time. Adequate spontaneous respiratory efforts quickly