J.Jpn. Surg. Soc.. 81(9): 877-881, 1980

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Report on the annual meeting

TREATMENT OF INFANTILE SUBDURAL EFFUSION

Consequences of the treatment for 39 cases of infantile chronic subdural effusion were estimated by Developmental Quotient (Tsumori et al) at their three to seven years of age. Twenty three cases (59.0%) out of the 39 showed DQ's of 70 and over, and estimated as having a good result, but the DQ's for 16 cases were under 69, which regarded as poor. Clinical features of these poor cases were as follows:
1) The etiologies were frequently non-traumatic or unknown.
2) Perinatal distresses were frequently reconized.
3) Time intervals between onset of symptoms and the final treatment were more than three months.
4) Primary cerebral disorders, e.g., congenital anomaly, were frequently revealed.
Analysis of the developmental profile in the poor cases showed remarkable retardation in explorating activity, sociality and language, and showed a relatively good development in motility and practice. Although it takes a long time to estimate the definitive result of the treatment, the infants who do not indicate any development untile three to four years of age after the treatment must show remarkable retardation.
It was clarified that these patients must be treated by proper methods in accordance with their pathological state before occurence of secondary cerebral damage, and that, to establish the prognosis, a meticulous study was required on the primary and/or secondary cerebral disorder.

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