Long-term outcome in children with Guillain-Barré syndrome.

OBJECTIVE To determine the long-term sequelae and early predictors of sequelae for children with Guillain-Barré syndrome (GBS) after the introduction of intravenous gammaglobulin (IVIG). Study design A cross-sectional case series of children with GBS, at least 2 years after recovery, was performed. Manual muscle strength testing was done on 34 muscle groups. The functional independence measure was used to assess function. A chart review was completed, identifying acute factors that may predict long-term sequelae. RESULTS Forty-seven children with GBS were identified, of whom 30 received IVIG. Persisting long-term muscle weakness with at least one muscle group at a grade 6 level (muscle moves the joint against gravity but only minimal resistance to an applied force) was found in 23% of cases. Each patient had a perfect score on the functional independence measure. Long-term muscle weakness was predicted by young age (P =.03) and a rapid progression to maximal weakness (P =.03). CONCLUSIONS Despite the introduction of IVIG, 23% of children with GBS had evidence of long-term mild muscle weakness, with minimal impact on function. Young age and a rapid progression during the acute GBS period predicted long-term sequelae.