The Beirut ammonium nitrate blast: A multicenter study to assess injury characteristics and outcomes.

BACKGROUND: Blasts incidents impose catastrophic aftermaths on populations regarding casualties, sustained injuries, and devastated infrastructure. Lebanon witnessed one of the largest nonnuclear chemical explosions in modern history-the August 2020 Beirut Port blast. This study assesses the mechanisms and characteristics of blast morbidity and mortality and examines severe injury predictors through the Injury Severity Score. METHODS: A retrospective, multicenter cross-sectional study was conducted. Data of trauma patients presenting to five major acute-care hospitals in metropolitan Beirut up to 4 days following the blast were collected in a two-stage process from patient hospital chart review and follow-up phone calls. RESULTS: A total of 791 patients with a mean age of 42 years were included. The mean distance from the blast was 2.4 km (SD, 1.9 km); 3.1% of victims were in the Beirut Port itself. The predominant mechanism of injury was being struck by an object (falling/projectile) (293 [37.0%]), and the most frequent site of injury was the head/face (209 [26.4%]). Injury severity was low for 548 patients (71.2%), moderate for 62 (8.1%), and severe/critical for 27 (3.5%). Twenty-one deaths (2.7%) were recorded. Significant serious injury predictors (Injury Severity Score, >15) were sustaining multiple injuries (odds ratio [OR], 2.62; p = 0.005); a fracture (OR, 5.78; p < 0.001); primary blast injuries, specifically a blast lung (OR, 18.82; p = 0.001), concussion (OR, 7.17; p < 0.001), and eye injury (OR, 8.51; p < 0.001); and secondary blast injuries, particularly penetrating injuries (OR, 9.93; p < 0.001) and traumatic amputations (OR, 13.49; p = 0.01). Twenty-five percent were admitted to the hospital, with 4.6% requiring the intensive care unit. At discharge, 25 patients (3.4%) had recorded neurologic disability. CONCLUSION: Most injuries sustained by the blast victims were minor. Serious injuries were mostly linked to blast overpressure and projectile fragments. Understanding blast injuries characteristics, their severity, and management is vital to informing emergency services, disaster management strategies, hospital preparedness, and, consequently, improving patient outcomes. LEVEL OF EVIDENCE: Prognostic and Epidemiologic; Level III.

Child transport injuries and deaths in Lebanon: a multicentre retrospective study.

INTRODUCTION: Road traffic injury (RTI) constitutes the leading cause of deaths and disabilities for individuals aged 5-29 years globally. Lebanon suffers from a high toll of transport mortality and morbidity, though accurate and reliable RTI data are limited. The aim of this study is to assess the prevalence and the characteristics of child transport injuries and deaths in Lebanon and to determine their outcomes and associated risk factors. METHODS: We conducted a multicentre retrospective study to analyse data on transport injuries and deaths for children aged 0-17 years over a 3-year period (2015-2017). Data were captured from multiple sources, including police reports and the emergency departments of 30 hospitals across the country . We performed logistic regression models to examine the effects and test the association of multiple simultaneous factors on the child injury outcome and severity. RESULTS: A total of 3,033 cases of child transport injuries and 237 fatalities were collected. The majority of the cases were males (73%) (mean (SD) age=11 (±5) years). Transport victims were Lebanese (66.5%) and Syrian refugees (27.9%). The most commonly reported factor contributing to child's RTI was a child riding in high-speed vehicles (25%) and the most affected body regions were upper and lower extremities (29.9%), followed by head injuries (26.1%). Pedestrians had higher odds of sustaining fatal injuries compared to four-wheel vehicle occupants (OR=1.6; 95% CI: 1.17 to 2.27). Older age groups of 6-14 years (OR=0.51; 95% CI: 0.79 to 0.69) and 15-17 years (OR=0.41; 95% CI: 0.30 to 0.61) had lower odds of dying from transport injuries compared to the younger age group of 0-5 years. CONCLUSION: Child transport injury is a major public health problem in Lebanon. Findings from this study urge policy-makers and health professionals to implement evidence-based child transport safety policies and behaviour change programs to reduce child transport injuries and deaths.