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Purpose: Hydrostatic enema is the gold standard treatment for ileocolic intussusception in stable patients without radiologic complication. There is no consensus about the influence of long history of symptoms in the outcome of this treatment. The aim of this study is to determine whether hydrostatic enema is effective and safe in patients with history of ileocolic intussusception of over 24 hours., Material and Methods: Retrospective review of all patients with ileocolic intussusception admitted to our hospital between 2014 and 2017. We divided the patients in whom enema was attempted on into two groups according to the length of history: over or under 24 hours. Statistical analysis was done by using the Fisher's exact test., Results: In this study period 59 children presented with ileocolic intussusception. Duration of symptoms was variable (range 2 hours-7 days). Of the total of patients, initial hydrostatic enema was attempted on 49, with a success rate of 91.8% (45 patients). In the group of history <24 hours (33 patients, 67.3%) we observed a 93.9% effectiveness and in the group >24 hours (16 patients, 32.7%) effectiveness was 87.5%. Success rate showed no significant difference when comparing both groups (p=0.588). No complications were seen after enema reduction., Conclusions: The use of hydrostatic enema in patients with long history of intussusception is successful and safe. We consider it to be the first-line treatment in stable patients with no radiologic complication, regardless the duration of symptoms.

Introduction: The aim is to create a protocol for the managing of foreign body aspiration in children based on a probability scale., Material and Methods: Retrospective observational study, including patients admitted with suspected foreign body aspiration (FBA) in the last 15 years. The parameters were assessed with a SCORE that included witnessed choking, stridor and wheezing during choking, unilateral reduced air entry and abnormal X-Ray. This scale relates them to a probability of FBA, where a score ≤ 1 is associated with less than 10% and ≥ 4 with more than 50% of FBA. According to the probability, we propose: observation, chest Computed Tomography (CT) or bronchoscopy. Then, we tried to adapt it to our casuistry., Results: A total of 109 children admitted between 2002-2017 were included. The median age was 25 months, a foreign body was found in 88 patients, the most frequent being organic (seeds and nuts). Significant predictors of FBA were unilateral reduced air entry and abnormal X-Ray. In our study, we found the same ascending probability between the scale and the presence of foreign body, except for SCORE 1, which was 57% what we attribute to an information bias. If the foreign body were not nuts, inorganic or bone, its aspiration was very unlikely, that is why we included it in the SCORE with -1., Conclusion: The use of the algorithm would imply the performance of 7% more of CT in patients without a FBA, but avoiding an 8.5% of bronchoscopy. Our results present an information bias, characteristic of a retrospective study.