Este artículo debe citarse como INTRODUCCIÓNEl maltrato infantil es un fenómeno médico, social y legal con múltiples facetas y consecuencias diversas en la víctima, la familia y la sociedad, por ello actualmente se acepta como un problema de salud pública mundial.1 Desde la perspectiva médica se le ha subdividido, para un mejor regis- Results: 70% were male; the mean age was 5.7 months. The background in the child that could trigger shaking were: irritability (71%), inconsolable crying (47%) and acute illness (35%); in parents, impulsivity (29%), stress (29%) and anger (18%). The usual caregivers were the mother of the child (65%), uncles (29%), both parents (24%) and grandparents (18%); but the witness of the onset of severer symptoms was the father (35%), uncles (24%), mother (18%) or both parents (12%). The clinical manifestations were seizures (76%), irritability (41%), respiratory distress (41%), cyanosis (35%) and refusal to eat (29%). At the hospital the following were observed: seizures (82%), altered consciousness (65%), need for ventilatory support (41%) and irritability (18%). The fundus examination revealed: unilateral or bilateral retinal hemorrhage (88%), bilateral vitreous hemorrhage (53%) and retinal detachment (18%). Computed tomography scan of the skull (CTSs) showed: cerebral edema (59%), subarachnoid hemorrhage (50%), subdural hematoma (29%) and skull fracture (29%) all of these conditions substantiated the diagnosis of SBS (71%) and SBS and impacted (35%): six children died (35%), every survivor had sequelae: visual impairment (59%), motor damage (53%), seizures (50%), language problems (41%) and hearing problems (18%). Conclusion:The SBS is a form of physical abuse and should be suspected in a child less than a year old that suddenly develops seizures, cardiorespiratory distress and or arrives dead at hospital.

Background:We describe the evidence of the effects of early life exposures on health and aging during adulthood. Methods: A narrative review of cohorts and systematic reviews of studies initiated early in life and followed up to adulthood was conducted. Results: Most studies were carried out in developed countries. The long-term effects of birth weight and, to a lesser extent, height at birth on chronic-degenerative diseases, functionality, bone, renal and respiratory pathology, and mortality have been consistent. Breastfeeding is associated with metabolic and cardiovascular diseases and functionality. Adiposity, bone pathophysiology, functionality in old age, and high blood pressure are associated with socioeconomic status at birth. Conclusions: Several exposures from intrauterine life to adolescence that exert discrete but significant effects on adult health have been consistently described. It is necessary to carry out these studies in developing countries.

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for his support with the statistical analysis, and of Mariana Santos Cortés MD for her support in preparing the text. We thank Corina García Piña, MD, for allowing us to publish information from the Clinic for the Integral Care of the Maltreated Child of the National Institute of Pediatrics.

Introduction Midlife physical capability (PC) is associated with developmental factors in the populations of economically developed countries. As far as we know, there is no information for rural populations of low- and middle-income countries. The aim of the study was to investigate the influence of pre- and postnatal factors on midlife objective measures of PC in a 1966–67 birth cohort from a Mexican rural community. The hypothesis was that adverse developmental conditions are associated with low midlife PC. Methods In 1966–67, a birth cohort of all children from a poor Mexican rural community was assembled. Data on family socioeconomic status (SES), parental health and nutritional status, birth weight, postnatal growth and feeding patterns were registered. In 2018, out of the 336 cohort members, 118 were living in the community, and eighty-two of them underwent a comprehensive clinical evaluation. The evaluation included grip strength, gait velocity and chair-stand PC tests. In multivariable linear models, PC tests were the dependent variables, and prenatal, birth and postnatal factors were the independent variables. Adjustment for confounding was made with adult anthropometric, body composition, clinical and ageing status variables. Results Independent of adult health status and other ageing indicators, lower PC was associated with family organization and SES, parental nutritional status, birth weight, infant postnatal growth velocity, and weaning time. These results indicate that adverse family and environmental conditions that are prevalent in poor rural communities are associated with low midlife PC.