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Asthma control is associated with smoking status: Findings from WATCH

Asthma control is associated with smoking status: Findings from WATCH
Asthma control is associated with smoking status: Findings from WATCH
Background: Difficult asthmatics with a history of smoking, experience increased lung reactivity. Associations between related comorbidities need further investigation.

Aim: To evaluate the symptoms of difficult asthmatics in relation to smoking status, in the Wessex AsThma Cohort of difficult asthma (WATCH) Southampton, UK.

Methods: The smoking status of 377 adult asthmatics in WATCH was assessed for asthma control, symptoms of hyperventilation and depression. A retrospective analysis compared smoking status of difficult asthmatics using Chi square (categorical data) and Kruskall-Wallis (continuous data).

Results: 180 (48%) had a history of smoking, of whom 13 continued to smoke. Differences in smoking status were not associated with BMI, but did differ by sex, age and age at diagnosis. Asthma control and symptoms of hyperventilation in ex-smokers was comparable to that of never smokers. Current smoking was associated with increased symptoms of depression and decreased attentional control than ever smokers.

Conclusion: Prevalence of smoking in difficult asthma is low, but is associated with lack of asthma and attentional control, hyperventilation and depression. These findings highlight the benefits of smoking cessation.
0903-1936
Thirlwall, Yvette
382d3468-33f2-44eb-91af-64fd9b5d8f07
Barber, Clair
ff31b460-34c3-466c-90e4-f70b3e954c82
Azim, Adnan
87c31e0e-c9bf-4258-9ae9-889e2382e7ba
Mistry, Heena
216f0018-b071-406c-9b66-0e025ca959a7
Harvey, Matt
4bb9ff8e-52c0-47f7-9647-90b5de76a02c
Newell, Colin
fd859e4b-b3a6-4722-b1de-2e52c8633899
Varkonyi-Sepp, Judit
888b912b-b35a-4775-827f-bcc618122f7c
Haitchi, Hans Michael
10a08979-c9d4-448a-8e4e-35cee89b0c7a
Dennison, Paddy
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Kurukulaaratchy, Ramesh
9c7b8105-2892-49f2-8775-54d4961e3e74
Thirlwall, Yvette
382d3468-33f2-44eb-91af-64fd9b5d8f07
Barber, Clair
ff31b460-34c3-466c-90e4-f70b3e954c82
Azim, Adnan
87c31e0e-c9bf-4258-9ae9-889e2382e7ba
Mistry, Heena
216f0018-b071-406c-9b66-0e025ca959a7
Harvey, Matt
4bb9ff8e-52c0-47f7-9647-90b5de76a02c
Newell, Colin
fd859e4b-b3a6-4722-b1de-2e52c8633899
Varkonyi-Sepp, Judit
888b912b-b35a-4775-827f-bcc618122f7c
Haitchi, Hans Michael
10a08979-c9d4-448a-8e4e-35cee89b0c7a
Dennison, Paddy
837dcc21-e806-4c76-92f6-c5b6c0a8e4d9
Kurukulaaratchy, Ramesh
9c7b8105-2892-49f2-8775-54d4961e3e74

Thirlwall, Yvette, Barber, Clair, Azim, Adnan, Mistry, Heena, Harvey, Matt, Newell, Colin, Varkonyi-Sepp, Judit, Haitchi, Hans Michael, Dennison, Paddy and Kurukulaaratchy, Ramesh (2018) Asthma control is associated with smoking status: Findings from WATCH. European Respiratory Journal, 52 (Supplement 62). (doi:10.1183/13993003.congress-2018.pa2068).

Record type: Meeting abstract

Abstract

Background: Difficult asthmatics with a history of smoking, experience increased lung reactivity. Associations between related comorbidities need further investigation.

Aim: To evaluate the symptoms of difficult asthmatics in relation to smoking status, in the Wessex AsThma Cohort of difficult asthma (WATCH) Southampton, UK.

Methods: The smoking status of 377 adult asthmatics in WATCH was assessed for asthma control, symptoms of hyperventilation and depression. A retrospective analysis compared smoking status of difficult asthmatics using Chi square (categorical data) and Kruskall-Wallis (continuous data).

Results: 180 (48%) had a history of smoking, of whom 13 continued to smoke. Differences in smoking status were not associated with BMI, but did differ by sex, age and age at diagnosis. Asthma control and symptoms of hyperventilation in ex-smokers was comparable to that of never smokers. Current smoking was associated with increased symptoms of depression and decreased attentional control than ever smokers.

Conclusion: Prevalence of smoking in difficult asthma is low, but is associated with lack of asthma and attentional control, hyperventilation and depression. These findings highlight the benefits of smoking cessation.

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More information

e-pub ahead of print date: 19 November 2018
Venue - Dates: European Respiratory Society Annual congress, , Paris, France, 2018-09-15 - 2018-09-19

Identifiers

Local EPrints ID: 435578
URI: http://eprints.soton.ac.uk/id/eprint/435578
ISSN: 0903-1936
PURE UUID: b8fc866d-60c1-4278-9d80-4f9e3c9670de
ORCID for Clair Barber: ORCID iD orcid.org/0000-0001-5335-5129
ORCID for Ramesh Kurukulaaratchy: ORCID iD orcid.org/0000-0002-1588-2400

Catalogue record

Date deposited: 12 Nov 2019 17:30
Last modified: 17 Mar 2024 02:49

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Contributors

Author: Yvette Thirlwall
Author: Clair Barber ORCID iD
Author: Adnan Azim
Author: Heena Mistry
Author: Matt Harvey
Author: Colin Newell
Author: Judit Varkonyi-Sepp
Author: Hans Michael Haitchi
Author: Paddy Dennison

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