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Locations and phones

Call center 93 253 21 00

Monday to Sunday, from 8 am to 8:30 pm

Scheduling or change of appointment +34 93 253 21 00

Monday to Friday, from 8 am to 7 pm

Private Care - International Patients +34 93 600 97 83

Monday to Friday, from 8 am to 7 pm

SJD Barcelona Children's Hospital

Passeig Sant Joan de Déu, 2, 08950 Esplugues de Llobregat

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Respiratory function and allergy tests

A GEFRA staff member carrying out the isobaric hypoxia test

Functional Respiratory and Allergology Testing Office (GEFRA) at the SJD Barcelona Children's Hospital carries out respiratory function and allergy testing and administers immunotherapy treatments.

Most of the patients treated at GEFRA have chronic conditions, many of which are highly complex, requiring thorough monitoring and ongoing care. For this reason, the clinic works in close collaboration with other specialists to provide comprehensive, safe care tailored to the individual needs of each patient.

Several respiratory function and allergy tests are carried out at GEFRA with immunotherapy treatments also being administered. Tests can be carried out either on an outpatient basis or during a hospital stay. These tests are usually linked to a medical consultation, which may be in person or by telephone, and which is typically carried out on the same day or in the days following the test, to ensure that the results are properly assessed and monitored.

Tests carried out at GEFRA

Carbon monoxide pulmonary diffusion (DLCO)
Skin prick test for airborne allergens and food
Cold/heat skin test
Forced and slow vital capacity spirometry
Spirometry with a bronchodilator
Impulse oscillometry
Methacholine bronchoprovocation
Exercise-induced bronchoprovocation (following the ingestion of medication or food)
Lung plethysmography
Post-exercise laryngoscopy (in collaboration with the ENT Department)
Fractional exhaled nitric oxide (FeNO)
Nasal nitric oxide test (nNO)
Muscle strength tests: MIP, MEP and SNIP
Peak cough flow (PCF)
Six-minute walk test (6-MWT)
Isobaric hypoxia test
Medicine skin testing
Hymenoptera venom skin testing
Epicutaneous (Patch) testing
Nasal provocation tests
Comparative spirometry in sitting vs supine position

Instructions for testing at GEFRA

Before carrying out the test or administering the treatment

It is important to bear in mind the optimal conditions for carrying out tests or administering treatment.

If the patient is not in the best condition for the test or treatment, you should contact the hospital by telephone to reschedule the appointment. The hospital’s telephone number is 93 253 21 00.

On the day of the test or treatment

  • Family members or accompanying persons should inform GEFRA staff if the patient is experiencing any of the following symptoms: cough, fever, shortness of breath, vomiting, diarrhoea, general malaise, skin rashes, or any other symptoms you consider relevant.
  • In the case of respiratory function tests, we will inform you that the patient will enter the test room alone, provided their age and condition allow it. A nurse will accompany the patient at all times.
  • We recommend bringing something to keep yourself occupied whilst waiting.

After the test or treatment has been carried out

Once the test or treatment has finished, we will let you know whether you need to wait and where, or whether you can go home.