a b s t r a c tIntroduction: The purpose of the trial was to establish whether a training program could improve teamwork in the Operating Rooms and the Obstetric Suite at a healthcare institution.Method: Quasi-experimental before and after study -A multiphase and multi-method training program was implemented for improving teamwork, measured with the OTAS-S instrument in 40 surgical procedures, pre and post intervention. Training was given to 80% of the population. The descriptive analysis was abased on the data collected from each stage and the effectiveness was determined based on the comparison of the scores obtained.Results: Post-intervention measurements revealed differences in the scores obtained by the teamwork between the two stages (MW U-test; z = 48.879, P = .0000). This effectiveness was shown in the surgical and obstetrics area. Two or more points of improvement in the average OTAS-S scores was identified in every phase, behaviors and sub-teams.Conclusion: Intervention was effective for improving teamwork in the operating rooms and in the obstetrics suites in the short term. Further research is suggested including a control group and a more extended follow-up to establish long-term effectiveness.Conclusión: La intervención fue efectiva para mejorar el trabajo en equipo en las unidades de cirugía y obstetricia a corto plazo, se sugiere realizar investigación futura que incluya grupo de control y hacer seguimiento más prolongado en el tiempo para determinar efectividad a largo plazo.

Background:This study aimed at determining the validity of the Pediatric Quality of Life Inventory 4.0 (PedsQL™ 4.0) for the measurement of health-related quality of life (HRQOL) in Colombian children.Methods:Validation study of measurement instruments. The PedsQL™ 4.0 was applied by convenience sampling to 375 pairs of children and adolescents between the ages of 5 and 17 and to their parents-caregivers, as well as to 125 parents-caregivers of children between the ages of 2 and 4 in five cities of Colombia (Bogota, Medellin, Cali, Barranquilla and Bucaramanga). Construct validity was assessed through the use of exploratory and confirmatory factor analysis, and criterion validity was assessed by correlations between the PedsQL™ 4.0 and the KIDSCREEN-27.Results:The instrument was applied to 375 children (ages 5–18) and 125 parents of children between the ages of 2 and 4. Factor analysis revealed four factors considered suitable for the sample in both the child and parent reports, whereas Bartlett's test of sphericity showed inter-correlation between variables. Scale and subscales showed proper indicators of internal consistency. It is recommended not to include or review some of the items in the Colombian version of the scale.Conclusions:The Spanish version for Colombia of the PedsQL™ 4.0 displays suitable indicators of criterion and construct validity, therefore becoming a valuable tool for measuring HRQOL in children in our country. Some modifications are recommended for the Colombian version of the scale.

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