Publications by authors named "Assef J"

Purpose: to consolidate a Trauma Register (TR) trough REDCap data acquisition platform and to validate, in this context, local Quality Indicators (QI) as improvement opportunities in trauma management.

Methods: continuous data acquisition of all patients admitted in Irmandade da Santa Casa de Misericórdia de São Paulo adult Trauma bay and it's validation in REDCap platform; 6 months retrospective cohort of QI impact in length of hospitalar stay, complications and mortality. Fisher, Chi-squared, Wilcoxon and Kruskal-Wallis tests were used to correlate QIs fails with the endpoints, considering p<0.

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Background: Heart failure with preserved ejection fraction (HFpEF) represents a significant proportion of heart failure cases. Accurate diagnosis is challenging due to the heterogeneous nature of the disease and limitations in traditional echocardiographic parameters.

Main Body: This review appraises the application of Global Longitudinal Strain (GLS) and Left Atrial Strain (LAS) as echocardiographic biomarkers in the diagnosis and phenotyping of HFpEF.

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Central Illustration : Position Statement on the Use of Myocardial Strain in Cardiology Routines by the Brazilian Society of Cardiology's Department Of Cardiovascular Imaging - 2023 Proposal for including strain in the integrated diastolic function assessment algorithm, adapted from Nagueh et al.67 Am: mitral A-wave duration; Ap: reverse pulmonary A-wave duration; DD: diastolic dysfunction; LA: left atrium; LASr: LA strain reserve; LVGLS: left ventricular global longitudinal strain; TI: tricuspid insufficiency. Confirm concentric remodeling with LVGLS.

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Assessing left ventricular (LV) filling pressure (LVFP) is challenging in patients with coronary artery disease (CAD) and preserved LV ejection fraction (LVEF). We aimed to correlate left atrial strain (LAS) with two invasive complementary parameters of LVFP and compared its accuracy to other echocardiographic data to predict high LVFP. This cross-sectional, single-center study enrolled 81 outpatients with LVEF > 50% and significant CAD from a database.

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Aims: Resistant hypertension (RH) is a challenging phenotype within the hypertension (HTN) spectrum, requiring careful assessment and follow-up. Evaluation of left atrial function may be clinically informative, but is usually neglected. Advanced Echocardiography Techniques (AETs), such as Strain Analysis and three-dimensional echocardiography (3D ECHO) may be useful complementary tools to assess atrial function in patients with RH.

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Background: Heart Failure with Preserved Ejection Fraction (HFpEF) is a syndrome characterized by different degrees of exercise intolerance, which leads to poor quality of life and prognosis. Recently, the European score (HFA-PEFF) was proposed to standardize the diagnosis of HFpEF. Even though Global Longitudinal Strain (GLS) is a component of HFA-PEFF, the role of other strain parameters, such as Mechanical Dispersion (MD), has yet to be studied.

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Background: Provocative maneuvers have the potential to overcome the low sensitivity of resting echocardiography and biomarkers in the detection of heart failure with preserved ejection fraction (HFpEF). We investigate the mechanical response of the left ventricle to an afterload challenge in patients with preclinical and early-stage HFpEF (es-HFpEF).

Methods: Three groups of patients (non-HFpEF - n = 42, pre-HFpEF - n = 43, and es-HFpEF - n = 39) underwent echocardiography at rest and during an afterload challenge induced by handgrip maneuver combined with pneumatic constriction of limbs.

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Objective: to assess the role of autopsy in the diagnosis of missed injuries (MI) and definition of trauma quality program goals.

Method: Retrospective analysis of autopsy reports and patient's charts. Injuries present in the autopsy, but not in the chart, were defined as "missed".

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Objective: to identify variables related to pleural complications in patients undergoing tube thoracostomies due to traumatic injuries.

Method: we conducted a prospective observational study from May/2019 to January/2021 including adult trauma patients submitted to tube thoracostomies after hospital admission. Patients undergoing thoracotomies as the initial treatment were not included.

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Objective: to review the clinical assessment of head injuries in motorcyclists involved in traffic accidents.

Method: prospective observational study, including adult motorcyclists involved in traffic accidents in a period of 12 months. Patients sustaining signs of intoxication were excluded.

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Introduction: secondary forms of lymphedema may occur as consequence of tumors, surgeries, radiotherapy, trauma and infections. Degloving injuries are severe and infrequent forms of trauma, with avulsion at the level of muscular fascia, and consequent injury of the lymphatic system.

Objective: to evaluate the alterations in lymphatic circulation in patients being victims of circumferential degloving injuries in the lower limbs, using lymphoscintigraphic.

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Acute appendicitis (AA) is a frequent cause of abdominal pain requiring surgical treatment. During the COVID-19 pandemic, surgical societies considered other therapeutic options due to uncertainties in the evolution of the disease. The purpose of this study is to assess the treatment of AA by members of two Brazilian surgical societies in this period.

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Blunt trauma is still the leading mechanism of trauma found in patients admitted to trauma centres worldwide. In these patients, the gastric injury is a very rare lesion, occurring in less than 2% of all blunt traumas. Besides the low incidence, gastric rupture mortality is high, which makes the diagnosis an essential step.

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Purpose: to analyze the relation between Trauma Quality Indicators (QI) and death, as well as clinical adverse events in severe trauma patients.

Methods: analysis of data collected in the Trauma Register between 2014-2015, including patients with Injury Severity Score (ISS) > 16, reviewing the QI: (F1) Acute subdural hematoma drainage > 4 hours with Glasgow Coma Scale (GCS) <9; (F2) emergency room transference without definitive airway and GCS <9; (F3) Re-intubation within 48 hours; (F4) Admission-laparotomy time greater than 60 min in hemodynamically instable patients with abdominal bleeding; (F5) Unprogrammed reoperation; (F6) Laparotomy after 4 hours; (F7) Unfixed femur diaphyseal fracture; (F8) Non-operative treatment for abdominal gunshot; (F9) Admission-tibial exposure fracture treatment time > 6 hours; (F10) Surgery > 24 hours. T the chi-squared and Fisher tests were used to calculate statistical relevance, considering p<0.

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Background And Aim: Ventricular function evaluation in coarctation of the aorta (CoA) has become more sophisticated and precise with speckle tracking, revealing subclinical changes. However, CoA stenting treatment effects in on myocardial strain are still controversial. This study aimed to estimate the extent to which changes in left ventricular global longitudinal strain (LV GLS) occur in patients with CoA who undergo stenting.

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Objective: to identify a subgroup of blunt trauma patients with very low chance of sustaining pelvic fractures based on clinical criteria.

Methods: retrospective analysis of the trauma registry data, collected in a period of 24 months. We selected adult blunt trauma patients who had a PXR on admission.

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Purpose: to trauma quality indicators as a tool to identify opportunities of improvement in elderly trauma patient's' treatment.

Methods: prospective analysis of data collected between 2014-2015, and stored in the iTreg software (by Ecossistemas). Trauma victims, aged older than 60 years and trauma quality indicators were assessed, based on those supported by SBAIT in 2013: (F1) Acute subdural hematoma drainage after 4 hours from admission, in patients with GCS<9; (F2) emergency room transference without definitive airway and GCS <9; (F3) Re-intubation within 48 hours from extubation; (F4) Admission-laparotomy time greater than 60 min.

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In December 2019, in Wuhan, China, the first cases of what would be known as COVID-19, a disease caused by an RNA virus called SARS-CoV-2, were described. Its spread was rapid and wide, leading the World Health Organization to declare a pandemic in March 2020. The disease has distinct clinical presentations, from asymptomatic to critical cases, with high lethality.

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Introduction: Endoscopic retrograde cholangiopancreatography (ERCP) is one of the most frequently performed minimally invasive procedures currently available for diagnosis and treatment of biliary and pancreatic diseases. Though considered a safe procedure, it has the highest rate of complications among the other endoscopic procedures, such as duodenal perforation and hepatic subcapsular hematoma (HSH). We are a presenting a case report and review of the current literature.

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Background: Falls among the elderly are one of the main public health problems that have direct consequences for their health. They reduce these individuals' autonomy and functional independence.

Objective: The objective of this study was to evaluate the risk factors associated with falls among elderly people enrolled within primary healthcare.

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Introduction: Duodenal and pancreatic lesions are uncommon, but severe and responsible for high incidence in morbidity and mortality. Differences between the mechanisms of trauma, the severity of lesions and the time between trauma, diagnosis and treatment influence the evolution of the case.

Presentation Of Case: We report a case of a 20-year-old patient with several lesions in stomach, duodenum, pancreas and jejunum due to three gunshots treated at our service.

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Background: A weak correlation has been reported between left ventricular filling pressures and the traditional echocardiographic tools for the evaluation of diastolic function in patients with coronary artery disease (CAD) and preserved left ventricular ejection fraction (LVEF). On the other hand, studies that compared invasive measurements with speckle tracking echocardiography have shown promising results, but they were not exclusively targeted on this specific population.

Methods And Results: Immediately before the left heart catheterization, a comprehensive two-dimensional Doppler echocardiography and speckle tracking analysis was prospectively performed in outpatients referred for coronary angiography.

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Background: PCR (C-reactive protein), produced in the liver after stimuli of inflammatory mediators, is determined as a marker of inflammatory activity (adipocytokines) and is present within adipocyte cells; besides being an inflammatory product, many studies have shown to be a predictor of complications.

Aim: To determine if the inflammatory state of the obese patient decreases after bariatric surgery, based on pre and post-operative PCR.

Methods: A prospective, observational study in patients undergoing Roux-en-Y gastric by-pass surgery followed up for three months after surgery, with serum preoperative CRP in 30, 60 and 90 days after surgery.

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Background: Left ventricular diastolic function is an important prognostic marker in acute coronary syndrome. However, classification of the dysfunction grade using isolated echocardiographic parameters remains difficult. Therefore, it is necessary to combine multiple data in diagnostic algorithms.

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Objective: to identify victims of blunt abdominal trauma in which intra-abdominal injuries can be excluded by clinical criteria and by complete abdominal ultrasonography.

Methods: retrospective analysis of victims of blunt trauma in which the following clinical variables were analyzed: hemodynamic stability, normal neurologic exam at admission, normal physical exam of the chest at admission, normal abdomen and pelvis physical exam at admission and absence of distracting lesions (Abbreviated Injury Scale >2 at skull, thorax and/or extremities). The ultrasound results were then studied in the group of patients with all clinical variables evaluated.

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