 Surgical treatment should also be considered when observation and/or splint therapy has not achieved sufficient results after 49 months.Unlike the surgical treatment given for adults, which is unambiguously a surgical release of the A1 pulley of the thumb, the optimum surgical treatment for infants has not yet been discerned.In case of infants, research has shown that only in 15% of the cases A1 pulley release alone is sufficient.