Síntomas respiratorios en pacientes con cáncer pulmonar: una comparación del tiempo de consulta entre fumadores y no fumadores

Carlos Elí Martínez; Fanny Emilia Morón; Patricia Meléndez

doi:10.30789/rcneumologia.v15.n3.2003.1245

Síntomas respiratorios en pacientes con cáncer pulmonar: una comparación del tiempo de consulta entre fumadores y no fumadores

Síntomas respiratorios en pacientes con cáncer pulmonar: una comparación del tiempo de consulta entre fumadores y no fumadores

Published 2003-09-04

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Vol. 15 No. 3 (2003): Septiembre

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Research article

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Síntomas respiratorios en pacientes con cáncer pulmonar: una comparación del tiempo de consulta entre fumadores y no fumadores.

rev. colomb. neumol. [Internet]. 2003 Sep. 4 [cited 2025 Feb. 22];15(3):105-9. Disponible en: https://doi.org/10.30789/rcneumologia.v15.n3.2003.1245

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https://doi.org/10.30789/rcneumologia.v15.n3.2003.1245

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Carlos Elí Martínez

Fundación Santa Fe

Fanny Emilia Morón

Hospital Central Policía Nacional

Patricia Meléndez

Instituto Nacional de Cancerología

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lung cancer

diagnosis

bias

tobacco smoke

Background: There is a controversy around the timing of diagnosis of lung cancer and it's relation with smoking habit. Objective: To compare the time with pulmonary indicator symptoms between smokers and non-smokers with lung cancer. Design: Case-series. Setting: Two hospitals in Bogotá, Colombia.

Patients and methods: In patients with a pathological diagnosis of lung cancer and identification of ce/Ju/ar type, we reviewed the time with respiratory indicator symptoms and compared it between groups defined by the plain chest X-ray location, TNM stage and smoking history.

Results: Complete data were acquired for 184 patients with mean age 60 years-old, 59% male gender, anda higher proportion of adenocarcinoma (38.3%) or tumours of the squamous cell type (33.2%). Duration of symptoms were lightly shorter in nonsmokers (16 weeks) than in smokers (21 weeks, p 0.040), without differences related to tumor location (central vs.peripherical) or stage in TNM classification.

Conclusions: Time to search medical care after the beginning of indicator symptoms is longer in smokers, suggesting a higher tolerance to respiratory symptoms and a probably "negative or reverse detection-signal bias", with potential implications for early diagnosis and screening programs.

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