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Subjective swallowing symptoms and related risk factors in COPD

Margareta Gonzalez Lindh, Andrei Malinovschi, Eva Brandén, Christer Janson, Björn Ställberg, Kristina Bröms, Monica Blom Johansson, Karin Lisspers, Hirsh Koyi
ERJ Open Research 2019 5: 00081-2019; DOI: 10.1183/23120541.00081-2019
Margareta Gonzalez Lindh
1Centre for Research and Development, Uppsala University/Region Gävleborg, Gävle, Sweden
2Dept of Neuroscience, Uppsala University, Uppsala, Sweden
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  • ORCID record for Margareta Gonzalez Lindh
  • For correspondence: margareta.gonzalez.lind@regiongavleborg.se
Andrei Malinovschi
3Dept of Medical Sciences, Clinical Physiology, Uppsala University, Uppsala, Sweden
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Eva Brandén
4Respir. Med. Unit, Dept Med. Solna and CMM, Karolinska Institutet and Karolinska University Hospital Solna, Solna, Sweden
1Centre for Research and Development, Uppsala University/Region Gävleborg, Gävle, Sweden
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Christer Janson
5Dept of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
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Björn Ställberg
6Dept of Public Health and Caring Sciences, Family Medicine and Preventive Medicine, Uppsala University, Uppsala, Sweden
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Kristina Bröms
6Dept of Public Health and Caring Sciences, Family Medicine and Preventive Medicine, Uppsala University, Uppsala, Sweden
1Centre for Research and Development, Uppsala University/Region Gävleborg, Gävle, Sweden
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Monica Blom Johansson
2Dept of Neuroscience, Uppsala University, Uppsala, Sweden
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Karin Lisspers
6Dept of Public Health and Caring Sciences, Family Medicine and Preventive Medicine, Uppsala University, Uppsala, Sweden
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Hirsh Koyi
4Respir. Med. Unit, Dept Med. Solna and CMM, Karolinska Institutet and Karolinska University Hospital Solna, Solna, Sweden
1Centre for Research and Development, Uppsala University/Region Gävleborg, Gävle, Sweden
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  • Article
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Figures

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  • FIGURE 1
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    FIGURE 1

    Participants with and without subjective swallowing symptoms according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2017 classification.

  • FIGURE 2
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    FIGURE 2

    Participants with and without subjective swallowing problems according to modified Medical Research Council (mMRC) and COPD Assessment Test (CAT) classification. Darker shading in the bar graph indicates swallowing problems.

Tables

  • Figures
  • TABLE 1

    Characteristics of the study population

    CharacteristicsTotalSubjective swallowing symptomsNo swallowing symptoms
    Subjects571186 (33%)385 (67%)
    Sex
     Female335112 (33%)223 (67%)
     Male23674 (31%)162 (69%)
    Age years68.6±7.668.9±7.868.4±7.6
    GOLD spirometric stage
     Stage 1, FEV1 ≥80% predicted5722 (39%)35 (61%)
     Stage 2, FEV1 50–<80% predicted31496 (31%)218 (69%)
     Stage 3, FEV1 30–<50% predicted15556 (36%)99 (64%)
     Stage 4, FEV1 <30% predicted4512 (27%)33 (73%)
    GOLD 2017
     Group A18840 (21%)148 (79%)
     Group B24498 (40%)146 (60%)
     Group C293 (10%)26 (90%)
     Group D11045 (41%)65 (59%)
    Spirometry
     FEV1 % predicted56.6±17.857.0±18.356.3±17.6
     FEV1 L2.9±0.912.81±0.853.0±0.93
    Smoking status
     Current smoker16542 (26%)123 (74%)
     Former smoker395140 (35%)255 (65%)
     Never-smoker92 (22%)7 (78%)
    Weight
     Stable377108 (29%)269 (71%)
     Weight gain11143 (39%)68 (61%)
     Weight loss8034 (42%)46 (58%)
    BMI kg·m−226.8±5.128.1±5.626.2±4.6
     Underweight, BMI <18.5 kg·m−2256 (24%)19 (76%)
     Normal weight, BMI 18.5–24.9 kg·m−219954 (27%)145 (73%)
     Overweight, BMI 25–29.9 kg·m−220761 (29%)146 (71%)
     Obese, BMI ≥30 kg·m−213765 (47%)72 (53%)
    Comorbidities
     Stroke/TIA5020 (40%)30 (60%)
     Obstructive sleep apnoea6027 (45%)33 (55%)
     Rheumatoid arthritis6524 (37%)41 (63%)
     Asthma18972 (38%)117 (62%)
     Chronic bronchitis19380 (41%)113 (59%)
     Heart disease11449 (43%)65 (57%)
    Symptom burden
     Dyspnoea, mMRC score ≥2252116 (46%)136 (54%)
     Health-related QoL, CAT score ≥10354143 (40%)210 (60%)
    Exacerbations
     ≤1 during previous year432138 (32%)294 (68%)
     >1 or hospital admission13948 (35%)91 (65%)

    Data are presented as mean±sd unless otherwise stated. GOLD: Global initiative for Obstructive Lung Disease; FEV1: forced expiratory volume in 1 s; BMI: body mass index;

    TIA: transient ischaemic attack; mMRC: modified Medical Research Council; QoL: quality of life; CAT: COPD Assessment Test.

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    Subjective swallowing symptoms and related risk factors in COPD
    Margareta Gonzalez Lindh, Andrei Malinovschi, Eva Brandén, Christer Janson, Björn Ställberg, Kristina Bröms, Monica Blom Johansson, Karin Lisspers, Hirsh Koyi
    ERJ Open Research Jul 2019, 5 (3) 00081-2019; DOI: 10.1183/23120541.00081-2019

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    Subjective swallowing symptoms and related risk factors in COPD
    Margareta Gonzalez Lindh, Andrei Malinovschi, Eva Brandén, Christer Janson, Björn Ställberg, Kristina Bröms, Monica Blom Johansson, Karin Lisspers, Hirsh Koyi
    ERJ Open Research Jul 2019, 5 (3) 00081-2019; DOI: 10.1183/23120541.00081-2019
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