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Ritz T, Kroll JL, Khan DA, Yezhuvath US, Aslan S, Pinkham A, Rosenfield D, Brown ES. fMRI BOLD responses to film stimuli and their association with exhaled nitric oxide in asthma and health. Psychophysiology 2024; 61:e14513. [PMID: 38339852 DOI: 10.1111/psyp.14513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/02/2023] [Accepted: 10/03/2023] [Indexed: 02/12/2024]
Abstract
Little is known about central nervous system (CNS) responses to emotional stimuli in asthma. Nitric oxide in exhaled breath (FENO) is elevated in asthma due to allergic immune processes, but endogenous nitric oxide is also known to modulate CNS activity. We measured fMRI blood oxygen-dependent (BOLD) brain activation to negative (blood-injection-injury themes) and neutral films in 31 participants (15 with asthma). Regions-of-interest analysis was performed on key areas relevant to central adaptive control, threat processing, or salience networks, with dorsolateral prefrontal cortex (PFC), anterior insula, dorsal anterior cingulate cortex (dACC), amygdala, ventral striatum, ventral tegmentum, and periaqueductal gray, as well as top-down modulation of emotion, with ventrolateral and ventromedial PFC. Both groups showed less BOLD deactivation from fixation cross-baseline in the left anterior insula and bilateral ventromedial PFC for negative than neutral films, and for an additional number of areas, including the fusiform gyrus, for film versus recovery phases. Less deactivation during films followed by less recovery from deactivation was found in asthma compared to healthy controls. Changes in PCO2 did not explain these findings. FENO was positively related to BOLD activation in general, but more pronounced in healthy controls and more likely in neutral film processing. Thus, asthma is associated with altered processing of film stimuli across brain regions not limited to central adaptive control, threat processing, or salience networks. Higher levels of NO appear to facilitate CNS activity, but only in healthy controls, possibly due to allergy's masking effects on FENO.
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Affiliation(s)
- Thomas Ritz
- Department of Psychology, Southern Methodist University, Dallas, Texas, USA
| | - Juliet L Kroll
- Department of Psychology, Southern Methodist University, Dallas, Texas, USA
- Department of Palliative, Rehabilitation and Integrative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - David A Khan
- Department of Internal Medicine, Division of Allergy and Immunology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | | | - Sina Aslan
- Department of Internal Medicine, Division of Allergy and Immunology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Advance MRI LLC, Frisco, Texas, USA
- Department of Psychology, University of Texas at Dallas, Dallas, Texas, USA
| | - Amy Pinkham
- Department of Psychology, University of Texas at Dallas, Dallas, Texas, USA
| | - David Rosenfield
- Department of Psychology, Southern Methodist University, Dallas, Texas, USA
| | - E Sherwood Brown
- Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
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Liccardi G, Martini M, Bilò MB, Milanese M, Baiardini I, Liccardi MV, Rogliani P. The impact of psychological health in African American young adults on asthma control: why is phenotyping still an unmet need? Suggestions from a multidisciplinary 'Stress-Asthma Working Group'. J Asthma 2024; 61:76-79. [PMID: 37439793 DOI: 10.1080/02770903.2023.2236704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/10/2023] [Indexed: 07/14/2023]
Affiliation(s)
- Gennaro Liccardi
- Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Matteo Martini
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy
- Allergy Unit, Department of Internal Medicine, University Hospital Ospedali Riuniti, Ancona, Italy
| | - Maria Beatrice Bilò
- Department of Clinical and Molecular Sciences, Marche Polytechnic University, Ancona, Italy
- Allergy Unit, Department of Internal Medicine, University Hospital Ospedali Riuniti, Ancona, Italy
| | - Manlio Milanese
- Division of Pulmonology, S. Corona Hospital, Pietra Ligure, Italy
| | - Ilaria Baiardini
- Istituti di Ricovero e Cura a Carattere Scientifico, Ospedale Policlinico San Martino, Genova, Italy
- Università di Genova, (DIMI), Genova, Italy
| | | | - Paola Rogliani
- Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
- Department of Experimental Medicine, Unit of Respiratory Medicine, University of Rome "Tor Vergata", Rome, Italy
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Ritz T, Kroll JL, Patel SV, Chen JR, Yezhuvath US, Aslan S, Khan DA, Pinkham AE, Rosenfield D, Brown ES. Central nervous system signatures of affect in asthma: associations with emotion-induced bronchoconstriction, airway inflammation, and asthma control. J Appl Physiol (1985) 2019; 126:1725-1736. [PMID: 30920889 DOI: 10.1152/japplphysiol.01018.2018] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The effects of asthma on affect have been noted for some time, but little is known about associated brain processes. We therefore examined whether emotion-induced bronchoconstriction, airway inflammation, and asthma control are related to specific patterns of brain activity during processing negative affective stimuli. Fifteen adults with asthma viewed alternating blocks of distressing film clips (negative condition), affectively neutral film clips (neutral condition), and a crosshair image (baseline condition) while undergoing blood oxygenation level-dependent (BOLD) functional MRI (fMRI). Block-design fMRI analysis evaluated the BOLD response to "negative-baseline" and "neutral-baseline" contrasts. Airway response to these film clips was also assessed with impulse oscillometry in a separate session. Measures of airway inflammation [fractional exhaled nitric oxide (FENO)] and asthma control [Asthma Control Questionnaire (ACQ)] were additionally obtained. A whole brain voxel-based regression analysis of contrast maps was performed against respiratory resistance increase during negative and neutral films, FENO, and ACQ. Peak airway obstruction to negative affective stimulation was associated with stronger activation of the anterior and middle cingulate gyrus, including the dorsal anterior cingulate cortex (dACC). Stronger airway inflammation and lower asthma control were associated with reduced activation to negative stimuli in the superior frontal gyrus, middle cingulate gyrus, and supplementary motor area. Activation of the dACC in negative-affect-induced airway obstruction could be part of an integrated defensive response to critical environmental change. In addition, reduced frontal and limbic activation during processing of negative affect may reflect consequences of pathophysiological processes for CNS functioning. NEW & NOTEWORTHY This functional magnetic resonance imaging study shows, for the first time, that the degree of airway constriction due to negative affective stimuli in asthma is associated with stronger response to these stimuli in the dorsal anterior and middle cingulate cortex. Asthma patients with stronger airway inflammation and reduced asthma control also show reduced activation in a number of cortical and subcortical areas relevant for affective processing and breathing control.
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Affiliation(s)
- Thomas Ritz
- Southern Methodist University , Dallas, Texas
| | | | - Sheenal V Patel
- The University of Texas Southwestern Medical Center , Dallas, Texas
| | - Justin R Chen
- The University of Texas Southwestern Medical Center , Dallas, Texas
| | | | - Sina Aslan
- The University of Texas Southwestern Medical Center , Dallas, Texas.,Advance MRI, LLC, Frisco, Texas.,The University of Texas at Dallas , Richardson, Texas
| | - David A Khan
- The University of Texas Southwestern Medical Center , Dallas, Texas
| | - Amy E Pinkham
- The University of Texas at Dallas , Richardson, Texas
| | | | - E Sherwood Brown
- The University of Texas Southwestern Medical Center , Dallas, Texas
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Protective effect of heart rate variability biofeedback on stress-induced lung function impairment in asthma. Respir Physiol Neurobiol 2019; 262:49-56. [PMID: 30695733 DOI: 10.1016/j.resp.2019.01.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/10/2019] [Accepted: 01/25/2019] [Indexed: 01/09/2023]
Abstract
Psychological stress can provoke airway constriction in asthmatic patients, which may be because of autonomic nervous system dysfunction in asthma. We investigated the effect of enhancing respiratory sinus arrhythmia using heart rate variability biofeedback (HRV-BF) on spirometry performance and HRV indices during stress induced by Stroop Color-Word interference test in asthmatic patients and healthy volunteers. Stress caused decrease in FEV1%, FVC%, and PEF% compared to baseline in asthmatic patients, but not in healthy subjects. A single short duration episode of HRV-BF not only had a protective effect on stress-induced airway constriction, but also significantly augmented the level of FEV1% and FVC% as compared with their own baseline. Also, there was a significant correlation between HRV changes and the augmentation of spirometry performance in asthmatic patients receiving HRV-BF. Our findings indicated that even a single short duration episode of HRV-BF can decrease susceptibility to stress-induced lung function impairment in patients with asthma, which may be through the modulation of respiratory sinus arrhythmia.
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Miyasaka T, Dobashi-Okuyama K, Takahashi T, Takayanagi M, Ohno I. The interplay between neuroendocrine activity and psychological stress-induced exacerbation of allergic asthma. Allergol Int 2018; 67:32-42. [PMID: 28539203 DOI: 10.1016/j.alit.2017.04.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 04/04/2017] [Accepted: 04/16/2017] [Indexed: 12/27/2022] Open
Abstract
Psychological stress is recognized as a key factor in the exacerbation of allergic asthma, whereby brain responses to stress act as immunomodulators for asthma. In particular, stress-induced enhanced type 2 T-helper (Th2)-type lung inflammation is strongly associated with asthma pathogenesis. Psychological stress leads to eosinophilic airway inflammation through activation of the hypothalamic-pituitary-adrenal pathway and autonomic nervous system. This is followed by the secretion of stress hormones into the blood, including glucocorticoids, epinephrine, and norepinephrine, which enhance Th2 and type 17 T-helper (Th17)-type asthma profiles in humans and rodents. Recent evidence has shown that a defect of the μ-opioid receptor in the brain along with a defect of the peripheral glucocorticoid receptor signaling completely disrupted stress-induced airway inflammation in mice. This suggests that the stress response facilitates events in the central nervous and endocrine systems, thus exacerbating asthma. In this review, we outline the recent findings on the interplay between stress and neuroendocrine activities followed by stress-induced enhanced Th2 and Th17 immune responses and attenuated regulatory T (Treg) cell responses that are closely linked with asthma exacerbation. We will place a special focus on our own data that has emphasized the continuity from central sensing of psychological stress to enhanced eosinophilic airway inflammation. The mechanism that modulates psychological stress-induced exacerbation of allergic asthma through neuroendocrine activities is thought to involve a series of consecutive pathological events from the brain to the lung, which implies there to be a "neuropsychiatry phenotype" in asthma.
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Affiliation(s)
- Tomomitsu Miyasaka
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Kaori Dobashi-Okuyama
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Tomoko Takahashi
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Motoaki Takayanagi
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Isao Ohno
- Center for Medical Education, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Japan.
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Yan X, Chen X, Guo Y, He D, Chen Y, Xia C, Wang J. Arginine Vasopressin Alters Both Spontaneous and Phase-Locked Synaptic Inputs to Airway Vagal Preganglionic Neuron via Activation of V 1a Receptor: Insights into Stress-Related Airway Vagal Excitation. Front Cell Neurosci 2017; 11:12. [PMID: 28210214 PMCID: PMC5288349 DOI: 10.3389/fncel.2017.00012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 01/16/2017] [Indexed: 11/27/2022] Open
Abstract
The airway vagal preganglionic neurons (AVPNs) in the external formation of the nucleus ambiguus (eNA) play a major role in the vagal control of tracheobronchial smooth muscle tone and maintenance of airway resistance. The eNA receives vasopressinergic projection from the hypothalamic paraventricular nucleus (PVN), the key node for the genesis of psychological stress. Since airway vagal excitation is reportedly to be associated with the psychological stress-induced/exacerbated airway hyperresponsiveness in asthmatics, arginine vasopressin (AVP) might be involved in stress-related airway vagal excitation. However, this possibility has not been validated. This study aimed to test whether and how AVP regulates AVPNs. In rhythmically active medullary slices of newborn rats, retrogradely labeled AVPNs were identified as inspiratory-activated and inspiratory-inhibited AVPNs (IA- and II-AVPNs) using patch-clamp techniques according to their inspiratory-related firing behavior and synaptic activities. The results show that under current clamp, AVP depolarized both IA- and II-AVPNs, and significantly increased their spontaneous firing rate. Under voltage clamp, AVP elicited a slow inward current, and significantly increased the frequency of spontaneous excitatory postsynaptic currents (sEPSCs) in both types of AVPNs. In addition, AVP significantly enhanced the phase-locked excitatory inspiratory inward current in inspiratory-activated airway vagal preganglionic neurons (IA-AVPNs), but significantly suppressed the phase-locked inhibitory inspiratory outward current in II-AVPNs. In both types AVPNs, AVP significantly increased the frequency and amplitude of pharmacologically isolated spontaneous GABAergic and glycinergic inhibitory postsynaptic currents (IPSCs). All of the AVP-induced effects were prevented by SR49059, an antagonist of V1a receptors, but unaffected by SSR149415, an antagonist of V1b receptors. AVP did not cause significant changes in the miniature excitatory postsynaptic currents (mEPSCs), miniature inhibitory postsynaptic currents (mIPSCs) and membrane input resistance of either type of AVPNs. These results demonstrate that AVP, via activation of V1a receptors, enhanced the spontaneous excitatory and inhibitory inputs similarly in the two types of AVPNs, but differentially altered their phase-locked inspiratory excitatory and inhibitory inputs. The overall effects of AVP are excitatory in both types AVPNs. These results suggest that increased central AVP release may be involved in the stress-induced augmentation of airway vagal activity, and, consequently, the induction or exacerbation of some airway diseases.
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Affiliation(s)
- Xianxia Yan
- Department of Neurobiology, School of Basic Medical Sciences, Fudan University Shanghai, China
| | - Xingxin Chen
- Department of Neurobiology, School of Basic Medical Sciences, Fudan University Shanghai, China
| | - Yuhong Guo
- Department of Neurobiology, School of Basic Medical Sciences, Fudan University Shanghai, China
| | - Ding He
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University Shanghai, China
| | - Yonghua Chen
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University Shanghai, China
| | - Chunmei Xia
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University Shanghai, China
| | - Jijiang Wang
- Department of Neurobiology, School of Basic Medical Sciences, Fudan UniversityShanghai, China; Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan UniversityShanghai, China
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Airway reactivity in response to repeated emotional film clip presentation in asthma. Biol Psychol 2016; 123:1-7. [PMID: 27856329 DOI: 10.1016/j.biopsycho.2016.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 10/13/2016] [Accepted: 11/13/2016] [Indexed: 12/19/2022]
Abstract
Emotional stimuli elicit airway constriction in individuals with asthma and in healthy individuals, but little is known about effects of repeated stimulation. We therefore explored the effect of repeated emotion induction on respiratory resistance (Rrs) using unpleasant, high-arousal surgery films and investigated effects of respiration and emotional reactivity. Twenty-six participants (13 with asthma) watched a series of 12 short, 45-s surgery films followed by 2-min recovery periods. Rrs assessed with impulse oscillometry was significantly elevated during films in both groups compared to baseline and recovered quickly after that. No habituation of airway responses occurred. Rrs was higher in participants who felt more aroused and less in control when watching the films. Changes in Rrs remained significant when controlling for changes in respiration or emotional experience. Thus, although unpleasant stimuli lead to elevated Rrs, airway obstruction is not exacerbated with repeated stimulation due to a fast return to baseline after stimulation.
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Liccardi G, Salzillo A, Calzetta L, Cazzola M, Matera MG, Rogliani P. Can bronchial asthma with an highly prevalent airway (and systemic) vagal tone be considered an independent asthma phenotype? Possible role of anticholinergics. Respir Med 2016; 117:150-3. [PMID: 27492525 DOI: 10.1016/j.rmed.2016.05.026] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 03/20/2016] [Accepted: 05/30/2016] [Indexed: 12/26/2022]
Abstract
Recently, we studied occurrence and role of non-respiratory symptoms (n-RSs) before a worsening of asthma symptoms. Some n-RSs such as anxiety, reflux, heartburn, abdominal pain, which appeared within 3 h before the onset of an asthma attack, are the likely result of an imbalance between sympathetic/parasympathetic systems with an increase in cholinergic tone. Therefore, it is likely that some of these n-RSs induced by the increased cholinergic tone might be present related with specific parasympathetic-associated respiratory symptoms such as those elicited by airway narrowing. It is likely that, at least in some categories of asthmatics, an increased cholinergic tone, rather than other well-known factors, might play a prevalent role in triggering bronchospasm. If this is the case, it is possible to speculate that the use of anticholinergic agents (mainly those with long-acting activity) in patients suffering from asthma should be more beneficial in individuals characterized by a higher degree of cholinergic tone that, consequently might be the ideal target for the use of long-acting anticholinergics and, possibly, represent a novel asthma phenotype. The presence of parasympathetic-associated n-RSs might help the physician to identify this type of patients, although this might be followed by a more detailed assessment.
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Affiliation(s)
- Gennaro Liccardi
- Department of Pulmonology, Haematology and Oncology, Division of Pneumology and Allergology, High Speciality "A.Cardarelli" Hospital, Naples, Italy; Postgraduate School of Respiratory Medicine, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.
| | - Antonello Salzillo
- Department of Pulmonology, Haematology and Oncology, Division of Pneumology and Allergology, High Speciality "A.Cardarelli" Hospital, Naples, Italy
| | - Luigino Calzetta
- Postgraduate School of Respiratory Medicine, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy; Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Mario Cazzola
- Postgraduate School of Respiratory Medicine, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy; Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | | | - Paola Rogliani
- Postgraduate School of Respiratory Medicine, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy; Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
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Borges-Santos E, Wada JT, da Silva CM, Silva RA, Stelmach R, Carvalho CR, Lunardi AC. Anxiety and depression are related to dyspnea and clinical control but not with thoracoabdominal mechanics in patients with COPD. Respir Physiol Neurobiol 2015; 210:1-6. [PMID: 25620656 DOI: 10.1016/j.resp.2015.01.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Revised: 01/13/2015] [Accepted: 01/16/2015] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To investigate the relationship between the presence of symptoms of anxiety or depression with breathing pattern and thoracoabdominal mechanics at rest and during exercise in COPD. METHODS Cross-sectional study enrolled 54 patients with COPD ranked according to Hospital Anxiety and Depression Scale (HAD) score and compared to dyspnea, clinical control, hypercapnia, breathing pattern and thoracoabdominal mechanics at rest and during exercise. RESULTS Seventeen patients with COPD had no symptoms, 12 had anxiety symptoms, 13 had depressive symptoms and 12 had both symptoms. COPD with depressive symptoms presented greater degree of dyspnea (p<0.01). Poor clinical control was observed in COPD with anxious and/or depressive symptoms (p<0.05). Breathing pattern and thoracoabdominal mechanics were similar among all groups at rest and during exercise. CONCLUSIONS COPD with symptoms of depression report more dyspnea. Anxiety and depression are associated with poor clinical control without impact on breathing pattern and thoracoabdominal mechanics in COPD.
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Affiliation(s)
- Erickson Borges-Santos
- Department of Physical Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Juliano Takashi Wada
- Department of Physical Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Cibele Marques da Silva
- Department of Physical Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Ronaldo A Silva
- Department of Physical Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Rafael Stelmach
- Department of Pneumology, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Celso R Carvalho
- Department of Physical Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Adriana C Lunardi
- Department of Physical Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil.
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Asthma and depression: the Cooper Center Longitudinal Study. Ann Allergy Asthma Immunol 2014; 112:432-6. [PMID: 24650441 DOI: 10.1016/j.anai.2014.02.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 02/21/2014] [Accepted: 02/25/2014] [Indexed: 01/10/2023]
Abstract
BACKGROUND Prior research suggests a possible association between asthma and depression. OBJECTIVE To examine the association between asthma and depressive symptoms, controlling for asthma medications, lung function, and overall health. METHODS We conducted a cross-sectional study of 12,944 adults who completed physician-based preventive health examinations at the Cooper Clinic from 2000 to 2012. Information on medical histories, including asthma and depression, and medications were collected. Participants reported overall health status, completed spirometry testing, and underwent depression screening using the 10-item Center for Epidemiologic Studies Depression Scale (CES-D). Dependent variables of current depressive symptoms (CES-D scores ≥10) and lifetime history of depression were separately modeled using logistic regression with independent variables, including demographics, spirometry, asthma controller medications, and patient-reported health status. RESULTS The sample was predominantly white and well educated. The prevalence of asthma was 9.0%. Asthma was associated with an odds ratio (OR) of 1.41 (95% CI, 1.16-1.70; P < .001) of current depressive symptoms based on CES-D score. Asthma was also associated with lifetime history of depression (OR, 1.66; 95% CI, 1.40-1.95; P < .001). Neither lung function nor asthma controller medications were significantly associated with depression. CONCLUSION Asthma was associated with increased prevalence of current depressive symptoms and lifetime depression in a large sample of relatively healthy adults. These findings suggest that the increased likelihood of depression among patients with asthma does not appear to be exclusively related to severe or poorly controlled asthma. People with asthma, regardless of severity, may benefit from depression screening in clinical settings.
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Janssens T, Ritz T. Perceived triggers of asthma: key to symptom perception and management. Clin Exp Allergy 2013; 43:1000-8. [PMID: 23957335 PMCID: PMC3748392 DOI: 10.1111/cea.12138] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 02/12/2013] [Accepted: 04/11/2013] [Indexed: 01/22/2023]
Abstract
Adequate asthma management depends on an accurate identification of asthma triggers. A review of the literature on trigger perception in asthma shows that individuals vary in their perception of asthma triggers and that the correlation between self-reported asthma triggers and allergy tests is only modest. In this article, we provide an overview of psychological mechanisms involved in the process of asthma triggers identification. We identify sources of errors in trigger identification and targets for behavioural interventions that aim to improve the accuracy of asthma trigger identification and thereby enhance asthma control.
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Ritz T. Airway responsiveness to psychological processes in asthma and health. Front Physiol 2012; 3:343. [PMID: 22973233 PMCID: PMC3433706 DOI: 10.3389/fphys.2012.00343] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Accepted: 08/08/2012] [Indexed: 12/16/2022] Open
Abstract
Psychosocial factors have been found to impact airway pathophysiology in respiratory disease with considerable consistency. Influences on airway mechanics have been studied particularly well. The goal of this article is to review the literature on airway responses to psychological stimulation, discuss potential pathways of influence, and present a well-established emotion-induction paradigm to study airway obstruction elicited by unpleasant stimuli. Observational studies have found systematic associations between lung function and daily mood changes. The laboratory-based paradigm of bronchoconstrictive suggestion has been used successfully to elicit airway obstruction in a substantial proportion of asthmatic individuals. Other studies have demonstrated modulation of airway responses to standard airway challenges with exercise, allergens, or pharmacological agents by psychological factors. Standardized emotion-induction techniques have consistently shown airway constriction during unpleasant stimulation, with surgery, blood, and injury stimuli being particularly powerful. Findings with various forms of stress induction have been more mixed. A number of methodological factors may account for variability across studies, such as choice of measurement technique, temporal association between stimulation and measurement, and the specific quality and intensity of the stimulus material, in particular the extent of implied action-orientation. Research has also begun to elucidate physiological processes associated with psychologically induced airway responses, with vagal excitation and ventilatory influences being the most likely candidate pathways, whereas the role of specific central nervous system pathways and inflammatory processes has been less studied. The technique of emotion-induction using films has the potential to become a standardized challenge paradigm for the further exploration of airway hyperresponsiveness mediated by central nervous system processes.
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Affiliation(s)
- Thomas Ritz
- Southern Methodist University Dallas, TX, USA
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