Effectiveness of community workers on preventive measures to maternal and child health in low and middle income countries: Systematic review of the literature

Abstract

Objective: To evaluate and synthesize scientific evidence that reports on the effectiveness of preventive interventions by community workers in maternal and child health at the household level. Methods: A systematic literature review was conducted. The search was conducted from 1966-2014 in different databases: Medline, Embase, Lilacs, Cochrane, CINAHL, WHO and google Schollar series. Experimental or quasi-experimental studies that addressed the incorporation of community workers in primary prevention interventions for maternal and child health were included. A narrative summary of the results was performed. Results: A total of 12 560 references were identified, of these 6234 references were screened. They were included in this review, after an assessment of methodological quality, 19 studies. Of these 19 studies designs as controlled clinical trials, cluster tests, before and after studies, analytical observational case-control studies and cross-sectional studies we were identified. Advocacy and malaria prevention, adherence to breastfeeding, newborn care, care and support during childbirth were identified. In all scenarios, including the effectiveness of Community worker in the outcomes of adherence and reduction of maternal and infant mortality it was demonstrated. Conclusions: Inclusion of community workers is effective in reducing maternal and infant mortality in low- and middle-income. Moreover it is improving access and coverage of health services to vulnerable populations.