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pulmonar ventilation

Raúl Carrillo-Esper, Gilberto Felipe Vázquez-De Anda, Cynthia Ivonne Mejía-Pérez, María Guadalupe Delaye-Aguilar, Ana Ivonne Pérez-Castañeda, Jesús Carlos Briones-Garduño, Manuel Antonio Díaz de León-Ponce
En 1967, Ashbaugh et al. publicaron en Lancet la descripción de una nueva entidad para la que acuñaron el nombre "síndrome de distress respiratorio del adulto". En ese artículo describieron minuciosamente a 12 enfermos que presentaban insuficiencia respiratoria, con infiltración pulmonar bilateral e hipoxemia resistente a oxigenoterapia. Para su manejo se hizo énfasis en la importancia de la intubación y la ventilación mecánica con presión positiva al final de la espiración. A 50 años de la publicación se han logrado grandes avances en el conocimiento de esta enfermedad, lo que ha influido en el manejo y supervivencia de los pacientes...
2018: Gaceta Médica de México
Thiago Gomes Romano, Pedro Vitale Mendes, Marcelo Park, Eduardo Leite Vieira Costa
In patients with severe respiratory failure, either hypoxemic or hypercapnic, life support with mechanical ventilation alone can be insufficient to meet their needs, especially if one tries to avoid ventilator settings that can cause injury to the lungs. In those patients, extracorporeal membrane oxygenation (ECMO), which is also very effective in removing carbon dioxide from the blood, can provide life support, allowing the application of protective lung ventilation. In this review article, we aim to explore some of the most relevant aspects of using ECMO for respiratory support...
January 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
Artur Haddad Herdy, Luiz Eduardo Fonteles Ritt, Ricardo Stein, Claudio Gil Soares de Araújo, Mauricio Milani, Romeu Sérgio Meneghelo, Almir Sérgio Ferraz, Carlos Hossri, Antonio Eduardo Monteiro de Almeida, Miguel Morita Fernandes-Silva, Salvador Manoel Serra
Cardiopulmonary exercise test (CPET) has been gaining importance as a method of functional assessment in Brazil and worldwide. In its most frequent applications, CPET consists in applying a gradually increasing intensity exercise until exhaustion or until the appearance of limiting symptoms and/or signs. The following parameters are measured: ventilation; oxygen consumption (VO2); carbon dioxide production (VCO2); and the other variables of conventional exercise testing. In addition, in specific situations, pulse oximetry and flow-volume loops during and after exertion are measured...
November 2016: Arquivos Brasileiros de Cardiologia
Marcela Muñoz-Torrico, Adrian Rendon, Rosella Centis, Lia D'Ambrosio, Zhenia Fuentes, Carlos Torres-Duque, Fernanda Mello, Margareth Dalcolmo, Rogelio Pérez-Padilla, Antonio Spanevello, Giovanni Battista Migliori
The role of tuberculosis as a public health care priority and the availability of diagnostic tools to evaluate functional status (spirometry, plethysmography, and DLCO determination), arterial blood gases, capacity to perform exercise, lesions (chest X-ray and CT), and quality of life justify the effort to consider what needs to be done when patients have completed their treatment. To our knowledge, no review has ever evaluated this topic in a comprehensive manner. Our objective was to review the available evidence on this topic and draw conclusions regarding the future role of the "post-tuberculosis treatment" phase, which will potentially affect several million cases every year...
September 2016: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
Fernando Fonseca Dos Reis, Maycon de Moura Reboredo, Leda Marília Fonseca Lucinda, Aydra Mendes Almeida Bianchi, Maria Aparecida Esteves Rabelo, Lídia Maria Carneiro da Fonseca, Júlio César Abreu de Oliveira, Bruno Valle Pinheiro
OBJECTIVE: To evaluate the effects that administering dexamethasone before the induction of ventilator-induced lung injury (VILI) has on the temporal evolution of that injury. METHODS: Wistar rats were allocated to one of three groups: pre-VILI administration of dexamethasone (dexamethasone group); pre-VILI administration of saline (control group); or ventilation only (sham group). The VILI was induced by ventilation at a high tidal volume. Animals in the dexamethasone and control groups were euthanized at 0, 4, 24, and 168 h after VILI induction...
May 2016: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
Cíntia Lourenço Santos, Cynthia dos Santos Samary, Pedro Laurindo Fiorio Júnior, Bruna Lourenço Santos, Alberto Schanaider
Supporting patients with acute respiratory distress syndrome (ARDS), using a protective mechanical ventilation strategy characterized by low tidal volume and limitation of positive end-expiratory pressure (PEEP) is a standard practice in the intensive care unit. However, these strategies can promote lung de-recruitment, leading to the cyclic closing and reopening of collapsed alveoli and small airways. Recruitment maneuvers (RM) can be used to augment other methods, like positive end-expiratory pressure and positioning, to improve aerated lung volume...
March 2015: Revista do Colégio Brasileiro de Cirurgiões
Danielle S R Vieira, Liliane P S Mendes, Nathália S Elmiro, Marcelo Velloso, Raquel R Britto, Verônica F Parreira
BACKGROUND: The mechanisms underlying breathing exercises have not been fully elucidated. OBJECTIVES: To evaluate the impact of four on breathing exercises (diaphragmatic breathing, inspiratory sighs, sustained maximal inspiration and intercostal exercise) the on breathing pattern and thoracoabdominal motion in healthy subjects. METHOD: Fifteen subjects of both sexes, aged 23 ± 1.5 years old and with normal pulmonary function tests, participated in the study...
November 2014: Brazilian Journal of Physical Therapy
Jesús Villar, Lina Pérez-Méndez, Santiago Basaldúa, Jesús Blanco, Gerardo Aguilar, Darío Toral, Elizabeth Zavala, Miguel A Romera, Gumersindo González-Díaz, Frutos Del Nogal, Antonio Santos-Bouza, Luís Ramos, Santiago Macías, Robert M Kacmarek
BACKGROUND: Predicting mortality has become a necessary step for selecting patients for clinical trials and defining outcomes. We examined whether stratification by tertiles of respiratory and ventilatory variables at the onset of acute respiratory distress syndrome (ARDS) identifies patients with different risks of death in the intensive care unit. METHODS: We performed a secondary analysis of data from 220 patients included in 2 multicenter prospective independent trials of ARDS patients mechanically ventilated with a lung-protective strategy...
April 2011: Respiratory Care
V Calvo, J Padilla, A García-Zarza, E Blasco, J Pastor, F París et al.
INTRODUCTION: Lung donors are scarce and lung transplantation resources limited, leading to a need to look at transplants in terms of efficiency. Because emergency transplants (C-0) are assumed to yield poor results, most countries do not perform them on a regular basis. Spain, however does accept the concept of emergency lung transplantation for patients who are on waiting lists. We assess outcome for our patients who have received scheduled and emergency transplants. MATERIAL AND METHOD: The survival of patients receiving lung transplants in our service from 1992 through 2001 was studied using, Kaplan-Meier, Cox regression and chi-squared statistical analyses...
March 2003: Archivos de Bronconeumología
H Maksić, S Heljić, S Maksić, F Jonuzi
The pulmonary complications (PC) during mechanical ventilation were caused by barotrauma, infection, oxygen toxicity and excessive pulmonary extravascular fluid. The most frequent manifestations are: pneumothorax, pulmonary haemorrhage and lobar or segmental athelectasis. This is a retrospective study conducted between 1.1.1990 till 31.8.2000. The aim of this study was to evaluate the frequency of the pulmonary complications during mechanical ventilation in 163 ventilated neonates, as well as the relation towards gestational age, birth weight, primary disease and the outcome...
2000: Medicinski Arhiv
S Pavlović, V Petrović, N Kozarević, D Sobić, V Bosnjakovć
A patient with symptoms of coronary artery disease is presented. ECG changes, chest X-ray, echocardiography as well as ventilation-perfusion study excluded coronary artery disease and confirmed cor pulmonare chronicum and pulmonary hypertension. Patophysiological aspects and clinical symptoms are also discussed.
January 1991: Plućne Bolesti: the Journal of Yugoslav Association of Phthisiology and Pneumology
H Goldschmidt, F Hilgenberg, A Förster
The radiological symptom of different ventilation of each lung has various causes. There are birth defects and diseases. Different, invasive and non-invasive methods are necessary for diagnosis. The way of diagnosis is shown by an 11-year old girl with absence of the left pulmonal-artery. The different methods are discussed and various own cases of agenesie of the pulmonar-artery in combination with others dysplasias are added.
June 1977: Röntgen-Blätter; Zeitschrift Für Röntgen-Technik und Medizinisch-wissenschaftliche Photographie
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