Compliance and Utility of a Smartphone App for the Detection of Exacerbations in Patients With Chronic Obstructive Pulmonary Disease: Cohort Study

Juan Luis Rodriguez Hermosa   ^{1, 2} , MD ;   Antonia Fuster Gomila   ³ , MD ;   Luis Puente Maestu   ⁴ , MD ;   Carlos Antonio Amado Diago   ^{5, 6} , MD ;   Francisco Javier Callejas González   ⁷ , MD ;   Rosa Malo De Molina Ruiz   ⁸ , MD ;   Manuel E Fuentes Ferrer   ^{9, 10} , MD ;   Jose Luis Álvarez Sala-Walther   ^{1, 2} , MD ;   Myriam Calle Rubio   ^{1, 2} , MD

¹ Pulmonology Department, Hospital Clínico San Carlos, Madrid, Spain

² Medical Department, School of Medicine, Universidad Complutense de Madrid, Madrid, Spain

³ Hospital Universitario Son Llátzer, Palma de Mallorca, Spain

⁴ Pulmonology Department, Hospital Universitario Gregorio Marañón, Madrid, Spain

⁵ Pulmonology Department, Hospital Universitario Marqués de Valdecilla, Santander, Spain

⁶ Medical Department, School of Medicine, Universidad de Cantabria, Santander, Spain

⁷ Pulmonology Department, Complejo Hospitalario Universitario de Albacete, Albacete, Spain

⁸ Pulmonology Department, Hospital Universitario Puerta de Hierro de Majadahonda, Madrid, Spain

⁹ Departament of Preventive Medicine, Hospital Clínico San Carlos, Madrid, Spain

¹⁰ Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain