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1.
J Occup Environ Med ; 2024 Jun 10.
Artículo en Inglés | MEDLINE | ID: mdl-38739926

RESUMEN

OBJECTIVE: Adverse respiratory outcomes in post-9/11 Veterans with elevated urinary metal measures and enrolled in the VA's Toxic Embedded Fragment registry were compared to those without elevated urinary metals. METHODS: Veterans completed questionnaires, pulmonary physiology tests (pulmonary function and oscillometry) and provided urine samples for analysis of 13 metals. Respiratory symptoms, diagnoses and physiology measures were compared in Veterans with ≥1 urine metal elevation to those without metal elevations, adjusted for covariates, including smoking. RESULTS: Among 402 study participants, 24% had elevated urine metals, often just exceeding upper limits of reference values. Compared to Veterans without elevated metals, those with elevated metals had had higher FEV1 values but similar frequencies of respiratory symptoms and diagnoses and abnormalities on pulmonary physiology tests. CONCLUSIONS: Mild systemic metal elevations in post 9/11 Veterans are not associated with adverse respiratory health outcomes.

2.
Respir Med ; 202: 106963, 2022 10.
Artículo en Inglés | MEDLINE | ID: mdl-36108488

RESUMEN

BACKGROUND: Blast lung overpressure has received interest as a cause of chronic respiratory disease in Service members who deployed in support of U.S. military operations in Southwest Asia and Afghanistan since 2001. We studied whether veterans who experienced blast exposure report more chronic respiratory symptoms and diagnoses compared to deployed veterans who did not. METHODS: 9,000 veterans included in the Department of Veterans Affairs Toxic Embedded Fragment Registry were invited to complete a survey assessing chronic respiratory symptoms, diagnoses, and exposures. Blast exposure was assessed using the Brief Traumatic Brain Injury Screen and by presence of other symptoms such as blast-induced loss of consciousness. RESULTS: Participants (n = 2147) were predominantly <40 years old, served in the Army, and injured on average 12.8 years previously. 91% reported blast exposure. Blast-exposed veterans were significantly more likely to report cough (OR 1.8), wheeze (OR 2.4), and dyspnea (OR 1.8), even after adjustment for covariates including smoking and occupational exposures to dust, fume, and gas. Veterans reporting higher severity of blast impact, such as traumatic brain injury or loss of consciousness, were more likely to report cough, wheeze, or dyspnea. Veterans with higher severity of blast impact by multiple measures were also more likely to report having COPD. Those reporting a physician-diagnosis of traumatic brain injury were significantly more likely to report having both asthma (OR 1.5) and COPD (OR 1.5). CONCLUSIONS: Blast exposure is associated with respiratory symptoms and COPD. Respiratory system evaluation may warrant inclusion as a standard part of barotrauma health assessment.


Asunto(s)
Traumatismos por Explosión , Lesiones Traumáticas del Encéfalo , Enfermedad Pulmonar Obstructiva Crónica , Trastornos por Estrés Postraumático , Veteranos , Adulto , Campaña Afgana 2001- , Traumatismos por Explosión/complicaciones , Traumatismos por Explosión/diagnóstico , Traumatismos por Explosión/epidemiología , Lesiones Traumáticas del Encéfalo/complicaciones , Lesiones Traumáticas del Encéfalo/etiología , Tos/complicaciones , Polvo , Disnea/complicaciones , Humanos , Guerra de Irak 2003-2011 , Enfermedad Pulmonar Obstructiva Crónica/complicaciones , Enfermedad Pulmonar Obstructiva Crónica/epidemiología , Sistema Respiratorio , Autoinforme , Trastornos por Estrés Postraumático/complicaciones , Trastornos por Estrés Postraumático/diagnóstico , Inconsciencia/complicaciones
3.
Artículo en Inglés | MEDLINE | ID: mdl-33435300

RESUMEN

The coronavirus severe acute respiratory syndrome (COVID-19) pandemic has placed increased stress on healthcare workers (HCWs). While anxiety and post-traumatic stress have been evaluated in HCWs during previous pandemics, moral injury, a construct historically evaluated in military populations, has not. We hypothesized that the experience of moral injury and psychiatric distress among HCWs would increase over time during the pandemic and vary with resiliency factors. From a convenience sample, we performed an email-based, longitudinal survey of HCWs at a tertiary care hospital between March and July 2020. Surveys measured occupational and resilience factors and psychiatric distress and moral injury, assessed by the Impact of Events Scale-Revised and the Moral Injury Events Scale, respectively. Responses were assessed at baseline, 1-month, and 3-month time points. Moral injury remained stable over three months, while distress declined. A supportive workplace environment was related to lower moral injury whereas a stressful, less supportive environment was associated with increased moral injury. Distress was not affected by any baseline occupational or resiliency factors, though poor sleep at baseline predicted more distress. Overall, our data suggest that attention to improving workplace support and lowering workplace stress may protect HCWs from adverse emotional outcomes.


Asunto(s)
COVID-19/psicología , Personal de Salud/psicología , Principios Morales , Distrés Psicológico , Resiliencia Psicológica , Humanos , Estudios Longitudinales , Estrés Laboral/psicología , Pandemias , Apoyo Social , Lugar de Trabajo
5.
Pediatr Crit Care Med ; 16(4): 352-8, 2015 May.
Artículo en Inglés | MEDLINE | ID: mdl-25599147

RESUMEN

OBJECTIVE: To evaluate the association between neuromuscular blocking agents and outcome, intracranial pressure, and medical complications in children with severe traumatic brain injury. DESIGN: A secondary analysis of a randomized, controlled trial of therapeutic hypothermia. SETTING: Seventeen hospitals in the United States, Australia, and New Zealand. PATIENTS: Children (< 18 yr) with severe traumatic brain injury. INTERVENTIONS: None for this secondary analysis. MEASUREMENTS AND MAIN RESULTS: Children received neuromuscular blocking agent on the majority of days of the study (69.6%), and the modified Pediatric Intensity Level of Therapy scores (modified by removing neuromuscular blocking agent administration from the score) were increased on days when neuromuscular blocking agents were used (9.67 ± 0.21 vs 5.48 ± 0.26; p < 0.001). Children were stratified into groups based on exposure to neuromuscular blocking agents (group 1 received neuromuscular blocking agents each study day; group 2 did not). Group 1 had increased number of daily intracranial pressure readings more than 20 mm Hg (4.4 ± 1.1 vs 2.4 ± 0.5;p = 0.015) and longer ICU and hospital length of stay (p = 0.003 and 0.07, respectively, Kaplan-Meier). The Glasgow Outcome Score-Extended for Pediatrics at hospital discharge and 3, 6, and 12 months after traumatic brain injury and medical complications observed during the acute hospitalization were similar between groups. CONCLUSIONS: Administration of neuromuscular blocking agents was ubiquitous and daily administration of neuromuscular blocking agents was associated with intracranial hypertension but not outcomes-likely indicating that increased injury severity prompted their use. Despite this, neuromuscular blocking agent use was not associated with complications. A different study design-perhaps using randomization or methodologies-of a larger cohort will be required to determine if neuromuscular blocking agent use is helpful after severe traumatic brain injury in children.


Asunto(s)
Lesiones Encefálicas/complicaciones , Lesiones Encefálicas/terapia , Hipotermia Inducida/métodos , Hipertensión Intracraneal/etiología , Bloqueantes Neuromusculares/administración & dosificación , Bloqueantes Neuromusculares/efectos adversos , Adolescente , Australia , Lesiones Encefálicas/fisiopatología , Niño , Preescolar , Relación Dosis-Respuesta a Droga , Femenino , Escala de Coma de Glasgow , Humanos , Lactante , Puntaje de Gravedad del Traumatismo , Presión Intracraneal/efectos de los fármacos , Tiempo de Internación/estadística & datos numéricos , Masculino , Nueva Zelanda , Ensayos Clínicos Controlados Aleatorios como Asunto , Estudios Retrospectivos , Factores de Tiempo , Resultado del Tratamiento , Estados Unidos
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