Publications by authors named "Bruno Coimbra"

Article Synopsis
  • The study aimed to assess the psychometric properties of the Brazilian version of the Global Psychotrauma Screen (GPS).
  • Two internet-based samples were analyzed: one for exploratory factor analysis (EFA) and the other for confirmatory factor analysis (CFA) alongside other analyses.
  • Results indicated that the GPS effectively identifies probable PTSD and related symptoms, validating its use as a screening tool for posttraumatic reactions in Brazil.
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Background: The management of patients with subclavian artery injury is rapidly evolving from an open to an endovascular approach. We aim to present an analysis of management and a comparison of outcomes according to the type of approach used to treat these challenging injuries.

Methods: Adult patients with subclavian arterial injuries were abstracted from the National Inpatient Sample database from 2012 to 2014 and 2016 to 2021.

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Background: There are no validated and sensitive models that can guide the decision regarding amputation in patients with mangled lower extremities. We sought to describe a simple scoring model, the Mangled Lower Extremity (MangLE) score, which can predict those who are highly unlikely to need an amputation as a means to direct resources to this cohort.

Methods: This is a retrospective study using the 2013-2021 American College of Surgeons Trauma Quality Improvement Program data set.

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Background: Cardiac pacemaker implantation may be indicated in patients with refractory bradycardia following a cervical spinal cord injury (CSCI). However, evidence about the impact of this procedure on outcomes is lacking. We planned a study to assess whether the implantation of a pacemaker would decrease mortality and hospital resource utilization in patients with CSCI.

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Background: The direct association between procedure risk and outcomes in elderly patients who undergo emergency general surgery (EGS) has not been analyzed. Studies only highlight the importance of frailty. A comprehensive analysis of relevant risk factors and their association with outcomes in elderly patients who undergo EGS is lacking.

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Article Synopsis
  • After emergency surgeries, patients who have to go back to the hospital are more likely to die compared to those who don’t have to go back.
  • Researchers looked at many patients who had surgery between 2013 and 2019 to find out what makes them more likely to have serious problems after returning to the hospital.
  • They found that a lot of deaths happened because of complications that could have been avoided, like infections or breathing issues, and they suggest that better monitoring and early treatment could help save lives.
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Objective: Post-traumatic stress disorder (PTSD) is triggered by traumatic events, but genetic vulnerability and a history of childhood trauma may also increase the risk of PTSD onset. Thus, we investigated the interaction between genetic susceptibility according to polygenic risk score (PRS), and traumatic events.

Methods: We evaluated 68 women with PTSD who had been sexually assaulted and 63 healthy controls with no history of sexual assault.

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: During the COVID-19 pandemic, health-care workers (HCWs) may have been confronted with situations that may culminate in moral injury (MI). MI is the psychological distress that may result from perpetrating or witnessing actions that violate one's moral codes. Literature suggests that MI can be associated with mental health problems.

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Introduction: Attachment patterns are established during early childhood; however, extreme experiences throughout life may change this structure, either toward attachment security or insecurity. We analyzed changes in attachment dimensions in women with acute post-traumatic stress disorder (PTSD) following sexual assault, that were randomized to a 14-week treatment with either the medication sertraline or Interpersonal Psychotherapy.

Methods: Seventy-four adult women who presented significant reduction in PTSD symptoms across the trial responded to the Revised Adult Attachment Scale at baseline, on week 8 of treatment, and at the end of the trial, on week 14.

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Background: Tonic immobility (TI) is a reflexive, involuntary response that causes motor inhibition, vocal suppression, and analgesia. TI is elicited by extreme fear and perception of entrapment in a life-threatening situation. Research suggests that TI is a frequent peritraumatic response and may be related to subsequent posttraumatic stress disorder (PTSD).

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We investigated whether the impact of potentially traumatic events (PTEs) on trauma-related symptoms changes across the transitional adult lifespan (i.e., 16-100 years old) and if this association differs for self-reported COVID-19-related PTEs compared to other PTEs.

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Introduction: Sexual violence is one of the most severe traumatic events. It is associated with a higher risk for post-traumatic stress disorder (PTSD) development. Sleep disturbances such as insomnia are frequently reported by PTSD patients and play a key role in the development and course of the disorder.

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Introduction: Sexual assault and a history of childhood sexual abuse (CSA) are related to posttraumatic stress disorder (PTSD) development. Long interspersed nuclear elements (LINE-1) are transposable elements, and their methylation is used to infer DNA global methylation. DNA methylation can be affected by trauma exposition which in turn would be associated with PTSD.

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Sexual assault often triggers posttraumatic stress disorder (PTSD), a potentially chronic severe mental disorder. Most guidelines recommend selective serotonin reuptake inhibitors (SSRIs) and trauma-focused psychotherapies as treatment options. Interpersonal Psychotherapy (IPT), adapted for PTSD (IPT-PTSD), focuses on interpersonal consequences of trauma rather than confronting the trauma itself.

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Background: Sexual violence is a traumatic event that can trigger post-traumatic stress disorder (PTSD) and generate biological responses to stress characterized by inhibiting the hypothalamic-pituitary axis (HPA), altering immune activity, and changing the structure and function of the brain. PTSD is associated with increased levels of inflammatory markers. This study aimed to measure differences in inflammatory markers and HPA hormone levels between women with PTSD due to sexual violence and controls at baseline and after 1-year follow-up.

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Some individuals show abnormal reactions to extreme fear and life-threatening situations, including tonic immobility (TI) and peri-traumatic dissociation (PTD). We aimed to investigate the association of TI and PTD with posttraumatic stress disorder (PTSD) in women who experienced sexual violence and the risk factors for PTD occurrence. We compared PTSD severity in 86 young adult women with PTSD after a sexual violence exposure grouped according to the presence of PTD and TI.

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Telomeres are short tandem repeats of "TTAGGG" that protect the chromosome ends from deterioration or fusion of chromosomes. Their repeat length shortens with cell division acting as a biomarker of cellular aging. Traumatic stress events during adulthood or childhood have been associated with posttraumatic stress disorder (PTSD) and short leukocyte telomere length (LTL).

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A growing body of research demonstrates the association between neighborhood context and health. The underlying biological mechanisms of this association are not fully understood. We conducted a systematic review of studies that investigated the association between neighborhood context and telomere length (TL), a DNA-protein complex that shortens after cell division.

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The potential mental health consequences of the coronavirus disease 2019 (COVID-19) pandemic are widely acknowledged; however, limited research exists regarding the nature and patterns of stress responses to COVID-19-related potentially traumatic events (PTEs) and the convergence/divergence with responses to other (non-COVID-19-related) PTEs. Network analysis can provide a useful method for evaluating and comparing these symptom structures. The present study includes 7034 participants from 86 countries who reported on mental health symptoms associated with either a COVID-19-related PTE (n = 1838) or other PTE (n = 5196).

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Article Synopsis
  • The COVID-19 crisis has unique mental health impacts, leading to heightened symptoms like PTSD, anxiety, and depression compared to other stressful events.
  • A study involving over 7,000 respondents indicated that risk factors like social support, psychiatric history, and resilience play a role in the severity of mental health issues.
  • Regional differences were observed, with Latin America reporting more severe symptoms related to COVID-19 compared to North America, highlighting the need for targeted mental health interventions globally.
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The aim of this study was to validate CAPS-5 for the Brazilian-Portuguese language on a sample of 128 individuals from two centers (from the cities of São Paulo and Porto Alegre) who have been recently exposed to a traumatic event. We performed a reliability analysis between interviewers (with a subset of 32 individuals), an internal consistency analysis, and a confirmatory factorial analysis for the validation study. The inter-rater reliability of the total PTSD symptom severity score was high [intraclass correlation coefficient =0.

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: Most posttraumatic stress disorder (PTSD) sleep disturbances reports have been conducted in male combat veteran populations, usually decades after the disorder's onset. Given the increase in the prevalence of violence against women and the fact that women are at greater risk for developing PTSD, it is critical to examine sleep abnormalities in this population. : To examine subjective and objective sleep quality in young women with PTSD following sexual assault compared with a control group at baseline and after one year of treatment.

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Article Synopsis
  • Sexual assault is linked to negative health outcomes like PTSD and depression, with neurobiological factors such as hormone levels playing a critical role.
  • A study compared hormone levels (ACTH and cortisol) among women with PTSD from sexual assault and those without trauma, revealing higher ACTH and cortisol levels in the PTSD group, correlated with symptom severity.
  • The findings suggest a connection between hormonal imbalances and severity of PTSD symptoms, especially when depression is also present, challenging previous expectations about PTSD alone.
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