Prognostic Significance of Spontaneous Motility in Very Immature Preterm Infants under Intensive Care Treatment

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Abstract
Qualitative analysis of spontaneous motility was performed in 22 preterm infants (gestational age 25-31 weeks) on the intensive care unit. The infants were videorecorded once a week in the late afternoon during 1 h until 36 weeks of gestation. Quality of movement was analyzed by 8 observers using visual ‘Gestalt perception’ and compared with the neurological outcome 1 year after term. A normal quality of movement consistently predicted a normal neurological outcome with a probability of 90–100%. An abnormal quality of movement predicted an abnormal outcome with a probability of only 56% in the first, but with a probability of 82% in the third postnatal week. The average interobserver agreement was 78%. The analysis of spontaneous motility for the early diagnosis of neurological dysfunctions can reliably be applied on very immature preterms under intensive care conditions from the 3rd postnatal week on.

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