CAVIEDES SOTO, IVAN RICARDO
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CAVIEDES SOTO, IVAN RICARDO
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icaviedes@udd.cl
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25935759500

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Assessment of fitness to fly in patients with respiratory disease

2006-09-01 , CAVIEDES SOTO, IVAN RICARDO , Soto F, Rodrigo

To keep a pressure that allows human life, commercial airplanes need to pressurize their cabins, which mean an equilibration between the fuselage structure, the fuel consumption and the operational costs. In this condition they can only maintain cabin pressures of a simulated altitude of 8,000 feet. The Dalton's law indicates that the inspired partial pressure of oxygen is severely reduced, meaning a real hypoxic condition for humans. Another physical modifications that take place in this artificial media, such as low air humidity and reduced vital capacity because of abdominal gas decompression. These alterations are well tolerated by normal individuals, but this is not the case for chronic respiratory patients. They suffer a severe deterioration of their oxygenation. There are only limited studies about patients in these conditions. On the other hand, control has not been obligatory and the decision to allow the flight depends on the pulmonary physician's advice or on the patient's own decision. In this article we discuss general concepts about this merging problem and describe some rational ways to evaluate these patients based on available information. © 2006 Sociedad Chilena de Enfermedades Respiratorias.

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Nasolaryngoscopic Validation of a Set of Clinical Predictors of Aspiration in a Critical Care Setting

2010 , CAVIEDES SOTO, IVAN RICARDO , LAVADOS GERMAIN, PABLO MANUEL , HOPPE WIEGERING, ARNOLD JOHANNES GOTTLIEB , López, María A.

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Utilidad del ultrasonido endobronquial para el diagnóstico y etapificación del cáncer pulmonar

2017 , Gonzalo Labarca , CAVIEDES SOTO, IVAN RICARDO , Erik Folch , Adnan Majid , Sebastián Fernández-Bussy

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Minute ventilation to carbon dioxide production ratio is a simple and non-invasive index of ventilatory inefficiency in mechanically ventilated patients: proof of concept

2017 , René López , CAVIEDES SOTO, IVAN RICARDO , Jerónimo Graf

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Clinical prediction of aspiration in acute neurological patients

2005-12-01 , CAVIEDES SOTO, IVAN RICARDO , LAVADOS GERMAIN, PABLO MANUEL , HOPPE WIEGERING, ARNOLD JOHANNES GOTTLIEB , López O., Angélica

Glottic dysfunction is a frequent condition in patients with acute neurological diseases: the incidence in stroke patients is between 45-51% increasing mortality three times. The principal complication is aspiration, which demands the involvement of pulmonary physicians and neurologists. The purpose of this study is to evaluate wet voice, water swallow test and cervical auscultation as clinical predictors of aspiration using endoscopical observation as a gold standard. During a period of one year we have prospectively evaluated these tests in acute neurological patients hospitalized in an intensive care unit. Wet voice, 3 oz water swallow test and cervical auscultation demonstrated sensibilities of 66.7, 88.9 and 77.8%, with a respective specificity of 85.2, 59.3 and 77.8%. Positive predictive values were 60, 42.1 and 53.8%, with negative predictive values of 88.5, 94.1 and 91.3% respectively. These results support the utility of clinical aspiration screening as a simple and valuable technique that can be done at the bedside.

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Clinical screening of oropharyngeal dysphagia: standard of care

2017 , CAVIEDES SOTO, IVAN RICARDO , Sebastian Fernandez-Bussy , Gonzalo Labarca , Felix J.F. Herth

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Non-Answered Questions in Patients with Endobronchial Valve Placement for Lung Volume Reduction

2018 , CAVIEDES SOTO, IVAN RICARDO , Gonzalo Labarca , Hugo G. de Oliveira , Felix J.F. Herth , Sebastián, Fernandez-Bussy

Endoscopic lung volume reduction is a minimally invasive procedure performed to reduce the space occupied by the emphysemas’ lobes. This procedure has been demonstrated to be beneficial for patients with advanced chronic obstructive pulmonary disease and severe hyperinflation. The use of endobronchial valves is increasing, as well as the number of reports of adverse events. The most common complications after the procedure are a pneumothorax, bleeding, infections, the need for valve removal, and valve expulsion. We have recently treated a patient who achieved immediate left upper lobe atelectasis but developed a pneumothorax on the 6th day and near-fatal kinking of the left lower lobe bronchus. This patient had asphyctic episodes probably due to a functional left pneumonectomy. We should consider this unusual complication in patients undergoing endoscopic lung volume reduction whose condition worsens after achieving complete lobar atelectasis.

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Characterization of pleuroparenchymal fibroleastosis in two respiratory reference centers in santiago, chile

2020 , Gina Miranda , Laura Mendoza , NADIA HERRERA , Vivianne Agar , Claudio Silva , CAVIEDES SOTO, IVAN RICARDO

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Dyspnea Postpulmonary Embolism

2020 , CAVIEDES SOTO, IVAN RICARDO , Rodrigo Soto

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Predictive Models for Pulmonary Function Changes After Radiotherapy for Breast Cancer and Lymphoma

2012 , Beatriz Sánchez-Nieto , Karen C. Goset , CAVIEDES SOTO, IVAN RICARDO , DELGADO BECERRA, OROZIMBA IRIS , Andrés Córdova

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