Adverse childhood experiences negatively impact future violence, victimization, perpetration, health, and lifelong development. The aim of the present study was to systematically review the scientific evidence of empirical studies on the association between maternal childhood adversity in a familial context, including maltreatment, household challenges, and later maternal negative parenting. A search was performed in the PubMed, PsycINFO, Web of Science, SciELO, and LILACS databases, using the combination of the following keywords: (neglect OR abuse OR maltreatment OR harsh parenting OR punishment OR discipline OR negative parenting practices) AND (adverse childhood experiences OR early adversity OR cycle of violence OR cycle of maltreatment OR history of maltreatment) AND (mother OR maternal). The results of 29 studies showed predominantly significant direct associations between maternal childhood adversities and negative parenting with their children (83%). Parental stress was also significantly associated with a maternal history of childhood adversities. Focusing on the type of maltreatment practices, there were similar intergenerational transmission types: homotypic and heterotypic. Few studies have examined the protective factors that could buffer the negative impact of a maternal childhood history of adversities on later negative parenting.

O presente estudo trata-se de uma revisão sistemática da literatura que teve por objetivo analisar a produção científi ca nacional e internacional sobre a efetividade do contato pele a pele inserido no Método Canguru como manejo preventivo da dor em bebês nascidos prematuros. O levantamento bibliográfi co foi realizado nas bases PubMed, LILACS, SCielo e PsycINFO no período entre 2010 e 2017, por meio dos descritores kangaroo mother care method, skin-to-skin, pain e infant/newborn. Foram selecionados 12 artigos, que constituíram o corpus da revisão. Os resultados demonstraram a efetividade do contato pele a pele como técnica para alívio de dor aguda em bebês nascidos prematuros. O tempo de permanência na posição Canguru que ocasionou maior efetividade para o alívio de dor é o de 30 minutos antes do procedimento doloroso de rotina na Unidade de Tratamento Intensivo Neonatal. Além disso, a forma mais efi caz para realizar a avaliação da dor foi por meio da observação sistemática de indicadores comportamentais e fi siológicos, destacando-se a importância da utilização de instrumentos psicométricos validados e sensíveis para a dor em bebês prematuros. Ressalta-se também que o contato pele a pele pode trazer outros benefícios, como a promoção e fortalecimento do vínculo mãe-bebê e aleitamento materno.

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The present study is a systematic review of the literature that aimed to analyze the national and international scientifi c production on the effectiveness of skin-to-skin contact included in the Kangaroo Method for preventive pain management in preterm infants. The literature review was performed in the PubMed, LILACS, SciELO and PsycINFO databases covering the period between 2010 and 2017, using the descriptors kangaroo mother care method, skin-to-skin, pain and infant/newborn. The search returned 12 articles, which constituted the corpus of the review. The results demonstrated the effectiveness of skin-to-skin contact as an acute pain relief technique in preterm infants. The time staying in the Kangaroo position that was more effective for pain relief was 30 minutes prior to the routine painful procedure in the Neonatal Intensive Care Unit. In addition, the most effective way to assess pain was through the systematic observation of behavioral and physiological indicators, highlighting the importance of the use of validated and sensitive psychometric instruments for pain in preterm infants. It was also emphasized that skin-to-skin contact can provide other benefi ts, such as promoting and strengthening the mother-baby attachment and encouraging breastfeeding.