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Bauer MS, Stolzmann K, Miller CJ, Kim B, Connolly SL, Lew R. Implementing the Collaborative Chronic Care Model in Mental Health Clinics: Achieving and Sustaining Clinical Effects. Psychiatric services (Washington, D.C.). 2021 May 1; 72(5):586-589.
OBJECTIVE: Collaborative chronic care models (CCMs) were established with implementation support in nine mental health clinics. This study sought to determine whether their clinical impact was maintained after implementation support ceased. METHODS: Posttrial data were analyzed from a randomized stepped-wedge CCM implementation trial in general mental health clinics in nine Department of Veterans Affairs medical centers. Sites received 1 year of implementation support, which was associated with reduced mental health hospitalization rates compared with non-CCM clinics in the same medical centers. Hospitalization rates for the year after implementation support were analyzed by using repeated measures logistic regression comparing the same clinics. RESULTS: Hospitalization rates for the postsupport year did not differ from comparison clinics either in the population that initially showed the difference or the population active in the clinics at the end of the year of implementation support. CONCLUSIONS: Clinical effects of the CCM may wane after cessation of active implementation support.