Background In France, while most babies are delivered at hospital, emergency medical services (EMS) weekly manage calls for unplanned out-of-hospital births. The objective of our study was to describe neonatal morbidity and mortality, defined as death or neonatal intensive care unit hospitalization at Day 7, in a prospective multicentric cohort of unplanned out-of-hospital births. Methods We prospectively analyzed out-of-hospital births from 25 prehospital EMS units in France. The primary outcome was neonatal morbidity and mortality, and the secondary outcome was risk factors associated with neonatal morbidity and mortality. A univariate logistic regression was first made, followed by a multivariate logistic regression with backward selection. Results From October 2011 to August 2018, a total of 1670 unplanned out-of-hospital births were included. Of these, 1652 (99.2%) were singleton and 1537 (93.5%) had prenatal care. Maternal mean age of the study population was 30 ± 5.5 (range 15 to 48). The majority of women were multiparous, but 13% were nulliparous. Overall, 45.3% of these unplanned out-of-hospital births were medically-driven, either by phone during medical regulation (12.5%) or on scene by the prehospital emergency medical service units (32.9%). The prevalence of neonatal morbidity and mortality was 6.3% ( n = 106) after an unplanned out-of-hospital birth (death before Day 7: n = 20; 1.2%). The multivariate logistic regression found that multiparity (adjusted Odds Ratio = 70.7 [4.7–1062]), prematurity (adjusted Odds Ratio = 6.7 [2.1–21.4]), maternal pathology (adjusted Odds Ratio = 2.8 [1.0–7.5]) and hypothermia (adjusted Odds Ratio = 2.8 [1.1–7.6]) were independent predictive factors of neonatal morbidity and mortality. Conclusions Our study assessed for the first time risk factors for adverse perinatal outcome in a large and multicenter cohort of unplanned out-of-hospital births. We have to improve temperature management in the out-of-hospital field and future trials are required to investigate strategies to optimize newborns management in the prehospital area. Electronic supplementary material The online version of this article (10.1186/s13049-019-0600-z) contains supplementary material, which is available to authorized users.

Using a noninvasive, continuous technique to estimate cardiac sympathovagal balance, no significant variation in autonomic balance induced by spinal anesthesia was observed. However, untoward episodes of bradycardia and hypotension occurred in three patients, who could not be prospectively identified by the parameters studied.

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Les trottinettes connaissent un engouement croissant avec la mise en place des trottinettes en libre-service. Toutefois, leur usage n’est pas sans conséquence sur le risque traumatique. Cette étude a pour objectif de décrire la population et les types de lésions des usagers de trottinettes. Matériel et méthode : Les données proviennent du registre des victimes d’accident de la circulation du département du Rhône qui inclut toute personne blessée ou tuée à la suite d’un accident de la route survenu dans le département du Rhône et pris en charge dans une structure sanitaire privée ou publique. La période étudiée concerne l’année 2019. Les informations recueillies concernent les caractéristiques individuelles, accidentelles, lésionnelles de la victime ainsi que son devenir. Les lésions sont codées grâce à l’Abbreviated Injury Scale (AIS). Les blessés graves sont définis par des lésions d’AIS 3 et plus. Résultats : Au total, 1 186 accidents de trottinette ayant entraîné 1 197 usagers blessés ont été recensés, dont 90 % dans l’hypercentre urbain, avec un nombre d’accidents de trottinettes multiplié par 7,3 entre 2018 et 2019. Cette augmentation a été observée depuis l’été 2018 avec l’introduction de sociétés proposant des locations de trottinettes. L’accident s’est produit seul, sans antagoniste dans 77 % des cas (n = 920). Le port du casque était rare (n = 72 ; 6 %). La grande majorité (n = 869 ; 73 %) des blessés était âgée de 10 à 34 ans, et les 20 à 24 ans (n = 301) représentaient le quart de l’effectif. Pour 11 accidents, il y avait deux blessés usagers de la même trottinette. Il y avait en moyenne deux lésions par victime. Les atteintes graves (MAIS 3 et plus) représentaient 3,8 % des lésions, et il n’y avait pas de différence statistiquement significative pour les lésions graves entre trottinette électrique et trottinette à propulsion humaine (p = 0,20). Comparées aux lésions des cyclistes dont les caractéristiques des accidents sont proches, les blessures de l’extrémité céphalique prédominent chez les usagers de trottinette (37 vs 27 % ; p < 0,001). Conclusion : Devant l’utilisation grandissante des trottinettes parmi les modes de déplacement, une évaluation scientifique des victimes de traumatismes est nécessaire pour proposer des recommandations visant à limiter les traumatismes graves. Ce travail constitue une première étape vers la surveillance épidémiologique tant en termes de recommandations que d’évolution.

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Background: Mobile intensive care units frequently manage unplanned out-of-hospital births (UOHB). Rewarming methods during pre-hospital management of UOHB have not yet been compared. The aim was to compare rewarming methods used during pre-hospital management in a large prospective cohort of UOHB in France. Methods: We analysed UOHB from the prospective AIE cohort from 25 prehospital emergency medical services in France. The primary outcome was the change in body temperature from arrival at scene to arrival at hospital. Results: From 2011 to 2018, 1854 UOHB were recorded, of whom 520 were analysed. We found that using incubator care was the most effective rewarming method (+ 0.8°C during transport), followed by the combination of plastic bag, skin-to-skin and cap (+ 0.2°C). The associations plastic bag + cap and skin-to-skin + cap did not allow the newborn to be warmed up but rather to maintain initial temperature (+ 0.0°C). The results of the multivariate model were consistent with these observations, with better rewarming with the use of an incubator. We also identified circumstances of increased risk of hypothermia according to classification and regression tree, like premature birth (< 37 weeks of gestation) and/or low outside temperature (< 8.4°C). Conclusions: Using an incubator was the most effective rewarming method during pre-hospital management of UOHB in our French prospective cohort. Based on our model, in cases of term less than 37 weeks of gestation or between 37 and 40 weeks with a low outside temperature or initial hypothermia, using such a method would be preferred.

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