Caracterización clínica y demográfica de pacientes colombianos con rinosinusitis crónica con poliposis nasal
−ACERCA DE LA PORTADA−  El virus Epstein-Barr (EBV) es un gamma herpes virus que afecta humanos. La infección se adquiere principalmente durante la infancia o adolescencia; se presenta de manera asintomática o como un trastorno linfoproliferativo autolimitado que no requiere atención clínica. Sin embargo, afecta a más del 95% de la población adulta mundial y corresponde a uno de los virus oncogénicos más comunes en la especie humana: en promedio, cada año se asocia con 200,000 casos de cáncer. Interesantemente, solo un pequeño porcentaje de individuos infectados desarrolla procesos malignos, normalmente hospederos inmunocomprometidos o inmunodeficientes. EBV tiene un tropismo casi exclusivo por células B y de manera general la infección conduce a un estado latente o lítico, a partir de los cuales es posible desarrollar enfermedades y complicaciones. Las células citotóxicas NK y T CD8+ son los principales agentes inmunológicos que controlan y eliminan la infección por EBV. En este contexto, variantes genéticas que comprometan el desarrollo, proliferación, diferenciación, coestimulación y/o activación de células NK y T CD8+ predisponen al desarrollo de neoplasias o trastornos linfoproliferativos. Específicamente, se ha descrito la deficiencia, haploinsuficiencia o desregulación de ciertas proteínas citoplasmáticas, receptores de membrana, ligandos y transportadores de iones que afectan la función efectora de las células citotóxicas, y resultan en las secuelas más graves por EBV. Sin duda, el conocimiento ganado en este tema seguirá contribuyendo a diagnósticos más oportunos y el desarrollo de mejores estrategias terapéuticas en la clínica.     Breve descripción de la portada: Dres. Arturo Gutiérrez Guerrero, Sara Elva Espinosa Padilla y Saúl Oswaldo Lugo Reyes.   Agradecimiento especial por la elaboración y diseño de la portada: DG. Diana Gabriela Salazar Rodríguez.
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Keywords

Pólipos nasales
rinosinusitis
Tratamiento biológico
Características de la población

Funding data

Abstract

Introduction: Chronic rhinosinusitis with nasal polyposis (CRSwNP) is associated with a high daily burden of symptoms and a significant impact on health-related quality of life (HRQoL) (HRQoL). To date, the clinical and demographic characteristics of Colombian patients with CRSwNP are unknown.

Objectives: The aim of this study is to present the baseline clinical and demographic characteristics of CRSwNP patients over the age of 18 enrolled in a Patient Support Program (PSP) prior to biologic treatment.

Methodology: Descriptive, cross-sectional study performed in a Colombian CRSwNP asthma PSP sponsored by Sanofi from Aug-2021 to Jul-2022. Data was collected from CRSwNP patients, prior to the start of Dupilumab treatment, who consented to the use of their data.  The following information was reported: Age, reporting city, treating medical specialty, comorbidities, and persistence of treatment.

Results: 339 patients were included, 171 (50.4%) were women and 168 (49.6%) were men (Figure 1). The mean age at Dupilumab treatment initiation was 52.4 years. 62.8% began treatment during adulthood (26-59y), while 34.1% started at elderly (+60y) and 3.1% were young adults (18-25y). Most cases (29.7%) were included in Bogotá, followed by Antioquia (19%), Valle del Cauca (7.3%) and the remaining 44% nationwide (Figure 2).

Comorbidities were present in 67.1% of the patients, with diagnosis of allergic rhinitis, atopic dermatitis, asthma, and other non-type 2 inflammatory diseases (Figure 3). Nasal surgical history was present in 89.6% of the patients, most of them with one to three previous surgeries (Figure 4).

Continuous treatment was observed in 70.3% of patients for 6 to 12 months, in 21.3% for more than 12 months and in 8.4% for less than 6 months. The most frequently treating medical specialty was otorhinolaryngology (79,6%), followed by allergology (16%) and other medical professionals (4.4%).

Conclusions:

  • There is concordance with the literature on a higher presentation of the disease in women than in men.
  • There is a large proportion of patients with nasal surgical history and type 2 inflammatory comorbidities by the moment of biologic treatment initiation.
  • The care and identification of CRSwNP colombian patients is mainly provided by otorhinolaryngologists, followed by allergologists.
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