Neuropsychobiological Fingerprints of Chronic Fatigue in Sarcoidosis
BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarc...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sarah Kettenbach [verfasserIn] Sina Radke [verfasserIn] Tobias Müller [verfasserIn] Ute Habel [verfasserIn] Michael Dreher [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Frontiers in Behavioral Neuroscience - Frontiers Media S.A., 2008, 15(2021) |
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| Übergeordnetes Werk: |
volume:15 ; year:2021 |
| Links: |
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| DOI / URN: |
10.3389/fnbeh.2021.633005 |
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| Katalog-ID: |
DOAJ05845215X |
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| 520 | |a BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. | ||
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10.3389/fnbeh.2021.633005 doi (DE-627)DOAJ05845215X (DE-599)DOAJaa7c0f746c9f4ca28599b013135c18fc DE-627 ger DE-627 rakwb eng RC321-571 Sarah Kettenbach verfasserin aut Neuropsychobiological Fingerprints of Chronic Fatigue in Sarcoidosis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. sarcoidosis rare lung diseases chronic fatigue functional magnetic resonance imaging angular gyrus Neurosciences. Biological psychiatry. Neuropsychiatry Sina Radke verfasserin aut Tobias Müller verfasserin aut Ute Habel verfasserin aut Michael Dreher verfasserin aut In Frontiers in Behavioral Neuroscience Frontiers Media S.A., 2008 15(2021) (DE-627)579826392 (DE-600)2452960-6 16625153 nnns volume:15 year:2021 https://doi.org/10.3389/fnbeh.2021.633005 kostenfrei https://doaj.org/article/aa7c0f746c9f4ca28599b013135c18fc kostenfrei https://www.frontiersin.org/articles/10.3389/fnbeh.2021.633005/full kostenfrei https://doaj.org/toc/1662-5153 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2021 |
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10.3389/fnbeh.2021.633005 doi (DE-627)DOAJ05845215X (DE-599)DOAJaa7c0f746c9f4ca28599b013135c18fc DE-627 ger DE-627 rakwb eng RC321-571 Sarah Kettenbach verfasserin aut Neuropsychobiological Fingerprints of Chronic Fatigue in Sarcoidosis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. sarcoidosis rare lung diseases chronic fatigue functional magnetic resonance imaging angular gyrus Neurosciences. Biological psychiatry. Neuropsychiatry Sina Radke verfasserin aut Tobias Müller verfasserin aut Ute Habel verfasserin aut Michael Dreher verfasserin aut In Frontiers in Behavioral Neuroscience Frontiers Media S.A., 2008 15(2021) (DE-627)579826392 (DE-600)2452960-6 16625153 nnns volume:15 year:2021 https://doi.org/10.3389/fnbeh.2021.633005 kostenfrei https://doaj.org/article/aa7c0f746c9f4ca28599b013135c18fc kostenfrei https://www.frontiersin.org/articles/10.3389/fnbeh.2021.633005/full kostenfrei https://doaj.org/toc/1662-5153 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2021 |
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10.3389/fnbeh.2021.633005 doi (DE-627)DOAJ05845215X (DE-599)DOAJaa7c0f746c9f4ca28599b013135c18fc DE-627 ger DE-627 rakwb eng RC321-571 Sarah Kettenbach verfasserin aut Neuropsychobiological Fingerprints of Chronic Fatigue in Sarcoidosis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. sarcoidosis rare lung diseases chronic fatigue functional magnetic resonance imaging angular gyrus Neurosciences. Biological psychiatry. Neuropsychiatry Sina Radke verfasserin aut Tobias Müller verfasserin aut Ute Habel verfasserin aut Michael Dreher verfasserin aut In Frontiers in Behavioral Neuroscience Frontiers Media S.A., 2008 15(2021) (DE-627)579826392 (DE-600)2452960-6 16625153 nnns volume:15 year:2021 https://doi.org/10.3389/fnbeh.2021.633005 kostenfrei https://doaj.org/article/aa7c0f746c9f4ca28599b013135c18fc kostenfrei https://www.frontiersin.org/articles/10.3389/fnbeh.2021.633005/full kostenfrei https://doaj.org/toc/1662-5153 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2021 |
| allfieldsGer |
10.3389/fnbeh.2021.633005 doi (DE-627)DOAJ05845215X (DE-599)DOAJaa7c0f746c9f4ca28599b013135c18fc DE-627 ger DE-627 rakwb eng RC321-571 Sarah Kettenbach verfasserin aut Neuropsychobiological Fingerprints of Chronic Fatigue in Sarcoidosis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. sarcoidosis rare lung diseases chronic fatigue functional magnetic resonance imaging angular gyrus Neurosciences. Biological psychiatry. Neuropsychiatry Sina Radke verfasserin aut Tobias Müller verfasserin aut Ute Habel verfasserin aut Michael Dreher verfasserin aut In Frontiers in Behavioral Neuroscience Frontiers Media S.A., 2008 15(2021) (DE-627)579826392 (DE-600)2452960-6 16625153 nnns volume:15 year:2021 https://doi.org/10.3389/fnbeh.2021.633005 kostenfrei https://doaj.org/article/aa7c0f746c9f4ca28599b013135c18fc kostenfrei https://www.frontiersin.org/articles/10.3389/fnbeh.2021.633005/full kostenfrei https://doaj.org/toc/1662-5153 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2021 |
| allfieldsSound |
10.3389/fnbeh.2021.633005 doi (DE-627)DOAJ05845215X (DE-599)DOAJaa7c0f746c9f4ca28599b013135c18fc DE-627 ger DE-627 rakwb eng RC321-571 Sarah Kettenbach verfasserin aut Neuropsychobiological Fingerprints of Chronic Fatigue in Sarcoidosis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. sarcoidosis rare lung diseases chronic fatigue functional magnetic resonance imaging angular gyrus Neurosciences. Biological psychiatry. Neuropsychiatry Sina Radke verfasserin aut Tobias Müller verfasserin aut Ute Habel verfasserin aut Michael Dreher verfasserin aut In Frontiers in Behavioral Neuroscience Frontiers Media S.A., 2008 15(2021) (DE-627)579826392 (DE-600)2452960-6 16625153 nnns volume:15 year:2021 https://doi.org/10.3389/fnbeh.2021.633005 kostenfrei https://doaj.org/article/aa7c0f746c9f4ca28599b013135c18fc kostenfrei https://www.frontiersin.org/articles/10.3389/fnbeh.2021.633005/full kostenfrei https://doaj.org/toc/1662-5153 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2021 |
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During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">sarcoidosis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">rare lung diseases</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">chronic fatigue</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">functional magnetic resonance imaging</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">angular gyrus</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Neurosciences. Biological psychiatry. 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Neuropsychobiological Fingerprints of Chronic Fatigue in Sarcoidosis |
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BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. |
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BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. |
| abstract_unstemmed |
BackgroundChronic fatigue is a prominent symptom in many sarcoidosis patients, affecting quality of life and interfering with treatment. This study investigated neuropsychobiological mechanisms and markers of chronic fatigue in sarcoidosis.MethodsThirty patients with a histological diagnosis of sarcoidosis were included. The Multidimensional Fatigue Inventory was used to define patients with and without chronic fatigue. All patients were then characterised using several depression, quality of life questionnaires, and executive functioning. Cognitive functioning and underlying neural correlates were assessed using an n-back task measuring working memory and (sustained) attention during functional magnetic resonance imaging. Sarcoidosis disease activity was determined using lung function, laboratory parameters, and exercise capacity.ResultsNineteen patients had chronic fatigue and 11 did not; both groups had similar demographic and disease activity characteristics. Chronic fatigue patients showed more symptoms of depression and anxiety, and lower quality of life. During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239. |
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During the n-back task, chronic fatigue was associated with a smaller increase in brain activation with increasing task difficulty versus the group without fatigue, especially in the angular gyrus.ConclusionInadequate adjustment of brain activation with increasing demands appears to be a potential neurobiological marker of chronic fatigue in sarcoidosis patients. The angular gyrus, which plays an important role in the working memory system, was the major area in which fatigue patients showed smaller increase of brain activation compared to those without fatigue. These findings might be relevant for a deeper understanding of chronic fatigue mechanisms in sarcoidosis and future clinical treatment of this disabling syndrome.Trial RegistrationClinicalTrials.gov, Trial registration number: NCT04178239Date of registration: November 26, 2019, retrospectively registeredURL: https://clinicaltrials.gov/ct2/show/NCT04178239.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">sarcoidosis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">rare lung diseases</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">chronic fatigue</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">functional magnetic resonance imaging</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">angular gyrus</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Neurosciences. Biological psychiatry. 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