Ongoing Monitoring of Vital Signs in Patients With Idiopathic Pulmonary Fibrosis Before and After Acute Exacerbation.

Who May Qualify: - Patient over 18 years of age, ideally 50% male and 50% female - Patient with IPF with a known level of respiratory function (EFR and blood gas less than 3 months) - Stable patient, i.e. without hospitalisation or exacerbation in the last 3 months - Patient desaturating at 6MW in ambient air (AA) and requiring ambulatory oxygen therapy (SpO2 AA ⩽ 88%) - Patient not receiving walking or permanent oxygen therapy at baseline - Informed patient who has signed consent - Patient affiliated to a social security scheme - Patient not monitored by a home healthcare provider other than Air de Bretagne. Who Should NOT Join This Trial: - Vulnerable patient - Patient receiving ambulatory or permanent oxygen therapy at baseline - Patient already seen with another healthcare provider (e.g. OSAS) - Patient unable to use the Bora Band® tool and without access to a caregiver - Presence of co-morbidity considered unstable or very severe by the investigator - Patient protected, under guardianship or incapable of giving free and willing to sign a consent form Always talk to your doctor about whether this trial is right for you.