A study on development of Landau reaction.

Kanda Toyoko, Arii Etsuko, Yuge Mariko, Yamori Yuriko, Suzuki Junko, Tomoyoshi Eiko, Tanioka Kenichi

doi:10.11251/ojjscn1969.17.301

Disorders of postural control are considered as an integral component of neural dysfunction in many forms of cerebral palsy. There is no report about the development of abnormal postural reactions in patients with brain damage at the neonatal period. We studied Landau reaction on 100 infants with disturbance of central coordination. Fourteen cases developed cerebral palsy (CP), 40 cases were treated for more than 6 months (treated) and 46 cases were normalized without treatment or if with, less than 6 months (normalized). All patients visited the St. Joseph Hospital before 13 weeks of age. Head lifting originally described by Landau was not observed in 50% of the CP patients, 15.0% of treated patients and 21.7% of normalized patients at the first examination. Their responses resembled those in newborn infants. The CP patients showed 4 types at the first examination and then gradually showed the typical pattern of hypotonic trunk and extension of lower extremities without lifting the head. All treated and normalized patients showed 4 types initially and then showed the normal development of Landau reaction as Vojta reported. Three patients with minimal CP after a long-term treatment showed initially the typical pattern, which persisted for 1 1/2 years. However, the pattern of mature newborn infants has been observed recently with lack of head lifting, truncal hypotonia and flexion of lower extremities. It was concluded that development of Landau reaction was closely associated with the prognosis of subsequent psychomotor development.

A study on development of Landau reaction.

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