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1.
J Breath Res ; 11(2): 026004, 2017 04 25.
Article in English | MEDLINE | ID: mdl-28440225

ABSTRACT

Lung cancer (LC) is the leading cause of cancer death in men and the second leading cause in women worldwide. The use of low-dose computed tomography in early diagnosis was shown to reduce mortality by 20% with a median follow-up time of 6.5 years. In order to increase profitability and reduce radiation risks and costs, exhaled biomarkers could serve to help establish narrower inclusion criteria. The aim of this study was to identify new, well-founded volatile organic compounds in exhaled breath which distinguish LC patients from chronic obstructive pulmonary disease (COPD) patients and healthy subjects. There were 210 subjects enrolled and divided into three groups: control group (n = 89), COPD group (n = 40 stable COPD patients) and LC group (n = 81 with histological confirmation). Exhaled breath samples were collected using BioVOC® breath sampler devices. The analytical technique used was thermal desorption-gas chromatography-mass spectrometry. The compounds studied were hexanal, heptanal, octanal, nonanal, propanoic and nonanoic acids. Nonanoic acid showed statistically significant differences between the LC group and the other groups. It is 2.5 times and almost 9 times more likely to be found in the LC group than in the control group or COPD group, respectively. It is independent of histology but depends on tumour stage.


Subject(s)
Aldehydes/analysis , Breath Tests/methods , Exhalation , Fatty Acids/analysis , Lung Neoplasms/diagnosis , Lung Neoplasms/metabolism , Adult , Aged , Biomarkers/analysis , Case-Control Studies , Demography , Female , Gas Chromatography-Mass Spectrometry , Humans , Limit of Detection , Male , Middle Aged , Neoplasm Staging , Pulmonary Disease, Chronic Obstructive/diagnosis , Pulmonary Disease, Chronic Obstructive/metabolism , ROC Curve , Sensitivity and Specificity , Volatile Organic Compounds/analysis
2.
Arch. prev. riesgos labor. (Ed. impr.) ; 16(2): 98-99, abr.-jun. 2013.
Article in Spanish | IBECS | ID: ibc-110819

ABSTRACT

Objetivos. Los pescadores que participaron en las actividades de limpieza del vertido del Prestige mostraban un aumento del riesgo de padecer síntomas respiratorios pasados entre uno y dos años después de la catástrofe; sin embargo, la persistencia a largo plazo de estos efectos sobre la salud permanecía incierta. El objetivo del presente estudio ha sido evaluar la persistencia de estos síntomas respiratorios cinco años después de los trabajos de limpieza. Métodos. Subgrupos de 501 pescadores que habían estado expuestos a los trabajos de limpieza y 177 pescadores no expuestos fueron re-entrevistados por teléfono en el 2008, incluyendo las mismas preguntas utilizadas en la encuesta inicial. Las asociaciones entre la participación en los trabajos de limpieza y la presencia de síntomas respiratorios se evaluaron mediante análisis de regresión log-binomial y multinomial, ajustado por sexo, edad y tabaquismo. Resultados. Se obtuvo información de 466 (93%) pescadores expuestos y de 156 (88%) no expuestos. La prevalencia de síntomas del tracto respiratorio bajo (incluyendo sibilancias, falta de aire, tos y flema) disminuyó ligeramente en ambos grupos, pero permaneció más alta entre los expuestos (RR 1,4, IC 95%: 1,1-1,9) El riesgo de tener síntomas respiratorios persistentes(referidos tanto al inicio como durante el seguimiento) aumentó con el nivel de exposición: RR 1,7(IC 95%: 0,9-3,1) y 3,3 (IC 95%: 1,8-6,2) para los moderada y altamente expuestos, respectivamente. El riesgo en relación con la presencia de síntomas nasales y para el uso de medicación respiratoria fue de un orden similar. Conclusiones. La participación en las actividades de limpieza de los derrames de petróleo puede dar lugar a síntomas respiratorios que persisten hasta cinco años después de la exposición. Sería necesario disponer de protocolos para llevar a cabo las medidas preventivas oportunas, así como una continua vigilancia de la salud de los trabajadores que participen en actividades de limpieza en este tipo de accidentes ( AU)


Objectives. Fishermen who had participated in clean-up activities of the Prestige oil spill showed an excess risk of respiratory symptoms 1-2 years later, but the long-term persistence of these health effects is unclear. The aim of this study was to evaluate the persistence of these respiratory symptoms 5 years after clean-up work. Methods. Subgroups of 501 fishermen who had been exposed to clean-up work and 177 non-exposed individuals were re-interviewed by telephone in 2008, including the same symptom questions as in the initial survey. Associations between participation in clean-up work and respiratory symptoms were assessed using log-binomial and multinomial regression analyses adjusting for sex, age and smoking. Results. Information from 466 exposed (93%) and 156 non-exposed (88%) fishermen was obtained. The prevalence of lower respiratory tract symptoms (including wheeze, shortness of breath, cough and phlegm) had slightly decreased in both groups, but remained higher among the exposed (RR 1.4, 95% CI 1.1 to 1.9). The risk of having persistent respiratory symptoms(reported both at baseline and at follow-up) increased with the degree of exposure: RR ratio 1.7 (95% CI 0.9 to 3.1)and 3.3 (95% CI 1.8 to 6.2) for moderately and highly exposed, respectively, when compared with those without any symptoms. Findings for nasal symptoms and for respiratory medication usage were similar. Conclusions. Participation in clean-up activities of oil spills may result in respiratory symptoms that persist up to 5years after exposure. Guidelines for preventive measures and a continued surveillance of clean-up workers of oil spills are necessary(AU)


Subject(s)
Humans , Male , Adult , Middle Aged , Respiratory Tract Diseases/complications , Respiratory Tract Diseases/diagnosis , Respiratory Tract Infections/complications , Respiratory Tract Infections/diagnosis , Risk Factors , Occupational Health/standards , Occupational Health/trends , Environmental Illness/epidemiology , Environmental Illness/prevention & control , Solid Waste Collection , Environmental Exposure/analysis , Environmental Exposure/prevention & control , Environmental Pollutants/isolation & purification
3.
Rev. patol. respir ; 15(4): 140-144, oct.-dic. 2012. ilus
Article in Spanish | IBECS | ID: ibc-107583

ABSTRACT

El término histiocitosis hace referencia a un grupo heterogéneo de enfermedades caracterizadas por la infiltración de células de Langerhans (CL) en diferentes órganos. La histiocitosis pulmonar (HP) es una enfermedad poco frecuente que afecta típicamente a adultos jóvenes. Su patogenia no es bien conocida, aunque se ha observado una relación con el tabaquismo, por lo que la primera medida de tratamiento que se debe realizar es el abandono de éste. Presentamos un caso de histiocitosis pulmonar que evolucionó en seis meses de forma favorable, clínica, funcional y radiológicamente como consecuencia del abandono del tabaco como único tratamiento (AU)


The term histiocytosis refers to a heterogeneous group of diseases characterized by the infiltration of Langerhans cells (LC) in different organs. Pulmonary Histiocytosis (PH) is anuncommon disease that typically affects young adults. Its pathogeny is not well known, although a relationship with smoking has been observed. Thus, the first treatment measure should be smoking cessation. We present a case of pulmonary histiocytosis that showed a favorable clinical, functional and radiological course in six months as a consequence of using smoking cessation as the only treatment (AU)


Subject(s)
Humans , Male , Adult , Multiple Pulmonary Nodules/therapy , Smoking Cessation , Histiocytosis, Langerhans-Cell/therapy , Smoking/adverse effects
5.
Arch Bronconeumol ; 39(2): 57-61, 2003 Feb.
Article in Spanish | MEDLINE | ID: mdl-12586044

ABSTRACT

BACKGROUND: No ideal model for coordinating primary care and specialized respiratory medicine has been established. OBJECTIVE: To evaluate primary care physicians' and patients' degree of satisfaction with a new program for coordinating respiratory medicine and primary care. METHOD: A questionnaire survey of the level of satisfaction with a program combining consultation and direct patient care. The study was carried out at a primary care facility whose staff comprised 31 general practitioners. The respiratory medicine staff consisted of one physician and two nurses from the reference hospital. A questionnaire to determine the physicians' and patients' satisfaction with the program asked for a) overall evaluation on a scale of 0 to 10; b) evaluation on a scale naming five levels from "very bad" to "very good", and c) comparison of the new program with previous ones. RESULTS: One thousand one hundred seventy patients were seen in 12 months; 663 (57%) received a first visit, 400 (34%) received a second visit, and 107 (9%) received emergency care. The level of satisfaction was 7.8 (1.2) among physicians and 8.7 (1.5) among patients (p = 0.030); 97% of the physicians and 94% of the patients described the program as "very good" or "good". According to 100% of the physicians and 64% of the patients, the new program was better than the old one (p = 0.110). CONCLUSIONS: The coordinated care plan proposed is accepted by most physicians and patients and uses primary respiratory medicine resources more efficiently.


Subject(s)
Attitude of Health Personnel , Patient Satisfaction/statistics & numerical data , Physicians, Family/psychology , Primary Health Care/organization & administration , Pulmonary Medicine/organization & administration , Adult , Ambulatory Care Facilities/organization & administration , Ambulatory Care Facilities/statistics & numerical data , Cross-Sectional Studies , Data Collection , Humans , Program Evaluation , Spain , Surveys and Questionnaires
6.
Arch. bronconeumol. (Ed. impr.) ; 39(2): 57-61, feb. 2003.
Article in Es | IBECS | ID: ibc-17878

ABSTRACT

Fundamento y objetivos: Aún no existe un esquema de relación asistencial óptimo entre la medicina de atención primaria y la neumología. El objetivo de este estudio es presentar y evaluar el grado de satisfacción con un nuevo esquema de relación entre neumología y la medicina de atención primaria. Método: Valorar por encuesta el grado de satisfacción de un esquema mixto, de consultoría y atención directa del paciente. El estudio se efectuó en un centro de atención primaria cuya plantilla estaba formada por 31 médicos generales. La de neumología constaba de un médico y dos enfermeras que provenían del hospital de referencia. Se determinó el grado de satisfacción de los médicos y de 60 pacientes respecto del esquema mediante una encuesta que incluyó: a) valoración global por puntuación de 0 a 10; b) valoración por escala discriminante de 5 niveles (de muy mala a muy buena), y c) comparación del nuevo esquema evaluado respecto a los previos. Resultados: Se atendió a 1.170 pacientes en 12 meses; 663 (57 per cent) en primera visita, 400 (34 per cent) en segunda visita y 107 (9 per cent) urgentes. El grado de satisfacción con el esquema asistencial se puntuó con una media de 7,8 (1,2) por los médicos y de 8,7 (1,5) por los pacientes (p = 0,030); el 97 per cent de los médicos y el 94 per cent de los pacientes lo calificaron de "muy bueno" o "bueno", y lo consideraron mejor que el esquema tradicional el 100 per cent de los médicos y el 64 per cent de los pacientes (p = 0,110). Conclusiones: El esquema asistencial neumológico planteado es mayoritariamente aceptado por médicos y pacientes. La acción asistencial conjunta que propugna agiliza la utilización de los recursos en la actividad neumológica extrahospitalaria (AU)


Subject(s)
Adult , Humans , Attitude of Health Personnel , Spain , Pulmonary Medicine , Patient Satisfaction , Physicians, Family , Surveys and Questionnaires , Primary Health Care , Cross-Sectional Studies , Data Collection , Ambulatory Care Facilities , Program Evaluation
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