Pulmonary function

Invasive ventilation usage CR  PR  longitudinal 

Specifies whether the individual is currently using or has ever used invasive ventilation due to their neuromuscular condition over a period of two weeks or more. If the value is Currently, Previously, or Sometime, one or more instances of the record Invasive ventilation episode should be provided to specify details.

Invasive ventilation (IV) is surgery that creates an opening in the windpipe which allows breathing through a tracheostomy tube rather than through the nose and mouth.

Item type: single selection
Related items in previous version: 10.00
Usage in other datasets: DMDLGMD
Value ID Description
Currently

This is currently the case

Previously

This has previously been the case, but is not currently

Never

This has never been the case, neither previously nor currently

Sometime

This has been the case at some time, but it is unknown whether it is currently the case

Not currently

This is currently not the case, but it is unknown whether it has previously been the case

Record

Invasive ventilation episode CR  PR    episode   

Episode that describes current or previous usage of invasive ventilation due to the individual's neuromuscular condition. Only periods of two weeks or more are to be added.

Related items in previous version: 10.00, 10.02
Invasive ventilation duration CR  PR 
Item type: single selection
Related items in previous version: 10.01
Usage in other datasets: DMDDMDLGMDLGMD
Value ID Description
Full-time

Full-time (the individual uses ventilation of the respective type for 16 hours or more per 24 hours)

Part-time awake and sleeping

Part-time, awake and sleeping (the individual uses ventilation of the respective type while awake and while sleeping, or only while awake, with a total duration of less than 16 hours per 24 hours)

Part-time sleeping

Part-time, only while sleeping (the individual uses ventilation of the respective type only while sleeping)

Part-time

Part-time (the individual uses ventilation of the respective type with a total duration of less than 16 hours per 24 hours, but it is unspecified whether only while sleeping or also while awake)

Non-invasive ventilation usage CR  PR  longitudinal 

Specifies whether the individual is currently using or has ever used non-invasive ventilation due to their neuromuscular condition over a period of two weeks or more. If the value is Currently, Previously, or Sometime, one or more instances of the record Non-invasive ventilation episode should be provided to specify details.

Non-invasive ventilation (NIV) uses airway support which is administered through a nose or face mask.

Item type: single selection
Related items in previous version: 10.03
Usage in other datasets: DMDLGMD
Value ID Description
Currently

This is currently the case

Previously

This has previously been the case, but is not currently

Never

This has never been the case, neither previously nor currently

Sometime

This has been the case at some time, but it is unknown whether it is currently the case

Not currently

This is currently not the case, but it is unknown whether it has previously been the case

Record

Non-invasive ventilation episode CR  PR    episode   

Episode that describes current or previous usage of non-invasive ventilation due to the individual's neuromuscular condition. Only periods of two weeks or more are to be added.

Related items in previous version: 10.03, 10.05
Non-invasive ventilation duration CR  PR 
Item type: single selection
Related items in previous version: 10.04
Usage in other datasets: DMDDMDLGMDLGMD
Value ID Description
Full-time

Full-time (the individual uses ventilation of the respective type for 16 hours or more per 24 hours)

Part-time awake and sleeping

Part-time, awake and sleeping (the individual uses ventilation of the respective type while awake and while sleeping, or only while awake, with a total duration of less than 16 hours per 24 hours)

Part-time sleeping

Part-time, only while sleeping (the individual uses ventilation of the respective type only while sleeping)

Part-time

Part-time (the individual uses ventilation of the respective type with a total duration of less than 16 hours per 24 hours, but it is unspecified whether only while sleeping or also while awake)

Airway clearance assistance longitudinal 

Specifies how often the individual currently uses assistance in airway clearance and/or secretion mobilisation, for example using suction, chest percussion or a cough assist device.

Item type: single selection
Related items in previous version: 10.06, 10.07, 10.08, 10.09, 10.10, 10.11
Usage in other datasets: DMD
Value ID Description
Daily

Daily (used once or more in each 24-hour period)

Weekly

Weekly (used less frequently than daily, but used once or more in each 7-day period)

Occasionally

Occasionally (used less frequently than weekly)

Never

Never

Pulmonary function test performed CR  PR  datestamped 

Specifies whether the individual has ever had a pulmonary function test. If one or more tests have been performed, the results are to be provided in instances of the record Pulmonary function test result.

Item type: yes/no
Related items in previous version: 10.12
Record

Pulmonary function test result CR  PR       

At baseline, the result of the most recent test must be collected; at updates, the result of every test since the previous update must be collected. For clinician-reported registries, the date of the test or date of the report as well as the values for FVC and PCF must be collected, whereas for patient-reported registries it is sufficient to collect the date of the test or report.

Pulmonary function test date CR  PR 

Date of the pulmonary function test in which the results specified in this record instance were obtained.

If that date is not known, the date of the report may be specified instead.

Item type: date
Related items in previous version: 10.13
Usage in other datasets: DMDLGMD
Forced vital capacity volume CR 

Forced vital capacity as absolute volume in litres.

Forced vital capacity (FVC) is the total amount of air exhaled during the FEV (Forced expiratory volume) test.

Item type: decimal
Unit: litres
Related items in previous version: 10.14
Usage in other datasets: DMDLGMD
Forced vital capacity percentage CR 

Forced vital capacity as percentage of predicted value.

Item type: decimal
Unit: percent
Related items in previous version: 10.15
Usage in other datasets: DMDLGMD
Peak cough flow CR 

Peak cough flow (PCF) in litres per minute.

Item type: decimal
Unit: litres per minute
Usage in other datasets: DMDLGMD