Respiratory and hemodynamic contributions to emotion-related pre-syncopal vasovagal symptoms.
Identifieur interne : 000B68 ( Main/Corpus ); précédent : 000B67; suivant : 000B69Respiratory and hemodynamic contributions to emotion-related pre-syncopal vasovagal symptoms.
Auteurs : Johanna M. Harrison ; Philippe T. Gilchrist ; Tiana S. Corovic ; Curtis Bogetti ; Yuqing Song ; Simon L. Bacon ; Blaine DittoSource :
- Biological psychology [ 1873-6246 ] ; 2017.
English descriptors
- KwdEn :
- Adult (MeSH), Blood Pressure (physiology), Carbon Dioxide (analysis), Cardiovascular System (physiopathology), Cerebrovascular Circulation (physiology), Emotions (physiology), Female (MeSH), Healthy Volunteers (MeSH), Hemodynamics (physiology), Humans (MeSH), Hyperventilation (complications), Hyperventilation (physiopathology), Hypocapnia (etiology), Hypocapnia (physiopathology), Phobic Disorders (physiopathology), Photic Stimulation (methods), Prodromal Symptoms (MeSH), Respiration (MeSH), Surgical Procedures, Operative (psychology), Sympathetic Nervous System (physiopathology), Syncope, Vasovagal (physiopathology), Syncope, Vasovagal (psychology), Vascular Resistance (MeSH), Vasoconstriction (MeSH), Young Adult (MeSH).
- MESH :
- chemical , analysis : Carbon Dioxide.
- complications : Hyperventilation.
- etiology : Hypocapnia.
- methods : Photic Stimulation.
- physiology : Blood Pressure, Cerebrovascular Circulation, Emotions, Hemodynamics.
- physiopathology : Cardiovascular System, Hyperventilation, Hypocapnia, Phobic Disorders, Sympathetic Nervous System, Syncope, Vasovagal.
- psychology : Surgical Procedures, Operative, Syncope, Vasovagal.
- Adult, Female, Healthy Volunteers, Humans, Prodromal Symptoms, Respiration, Vascular Resistance, Vasoconstriction, Young Adult.
Abstract
Vasovagal reactions are conventionally understood as resulting from systemic changes in cardiovascular activity; however, there exists a complementary perspective focused on specific changes in cerebral vasoconstriction associated with hyperventilation-induced hypocapnia. The present study investigated the role of cardiovascular and respiratory activity in self-reported pre-syncopal vasovagal reactions to a surgery video in a sample of 49 healthy women. Participants who indicated more previous real-life episodes of dizziness reported experiencing significantly more symptoms in the laboratory consistent with a vasovagal response. They also showed lower total peripheral resistance and higher pre-ejection period in general, suggesting lower sympathetic nervous system activity. Significant decreases in end-tidal carbon dioxide (PETCO2) occurred during the surgery video among susceptible participants, without significant increases in respiration rate. Further, participants who experienced reductions from the neutral video in PETCO2, systolic blood pressure, or both, reported vasovagal symptoms during the surgery video. The results suggest that patterns of respiration associated with decreases in PETCO2 may contribute to vasovagal symptoms reported in non-clinical groups as well as those with blood-injection-injury phobia and are associated with susceptibility to dizziness.
DOI: 10.1016/j.biopsycho.2017.04.011
PubMed: 28456564
Links to Exploration step
pubmed:28456564Le document en format XML
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<author><name sortKey="Gilchrist, Philippe T" sort="Gilchrist, Philippe T" uniqKey="Gilchrist P" first="Philippe T" last="Gilchrist">Philippe T. Gilchrist</name>
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<author><name sortKey="Corovic, Tiana S" sort="Corovic, Tiana S" uniqKey="Corovic T" first="Tiana S" last="Corovic">Tiana S. Corovic</name>
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<author><name sortKey="Song, Yuqing" sort="Song, Yuqing" uniqKey="Song Y" first="Yuqing" last="Song">Yuqing Song</name>
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<author><name sortKey="Bacon, Simon L" sort="Bacon, Simon L" uniqKey="Bacon S" first="Simon L" last="Bacon">Simon L. Bacon</name>
<affiliation><nlm:affiliation>Department of Exercise Science, Concordia University, 7141 Sherbrooke St. West, Montreal, Quebec, H4 B 1R6, Canada.</nlm:affiliation>
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<author><name sortKey="Ditto, Blaine" sort="Ditto, Blaine" uniqKey="Ditto B" first="Blaine" last="Ditto">Blaine Ditto</name>
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<series><title level="j">Biological psychology</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult (MeSH)</term>
<term>Blood Pressure (physiology)</term>
<term>Carbon Dioxide (analysis)</term>
<term>Cardiovascular System (physiopathology)</term>
<term>Cerebrovascular Circulation (physiology)</term>
<term>Emotions (physiology)</term>
<term>Female (MeSH)</term>
<term>Healthy Volunteers (MeSH)</term>
<term>Hemodynamics (physiology)</term>
<term>Humans (MeSH)</term>
<term>Hyperventilation (complications)</term>
<term>Hyperventilation (physiopathology)</term>
<term>Hypocapnia (etiology)</term>
<term>Hypocapnia (physiopathology)</term>
<term>Phobic Disorders (physiopathology)</term>
<term>Photic Stimulation (methods)</term>
<term>Prodromal Symptoms (MeSH)</term>
<term>Respiration (MeSH)</term>
<term>Surgical Procedures, Operative (psychology)</term>
<term>Sympathetic Nervous System (physiopathology)</term>
<term>Syncope, Vasovagal (physiopathology)</term>
<term>Syncope, Vasovagal (psychology)</term>
<term>Vascular Resistance (MeSH)</term>
<term>Vasoconstriction (MeSH)</term>
<term>Young Adult (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Carbon Dioxide</term>
</keywords>
<keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Hyperventilation</term>
</keywords>
<keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Hypocapnia</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Photic Stimulation</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Blood Pressure</term>
<term>Cerebrovascular Circulation</term>
<term>Emotions</term>
<term>Hemodynamics</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cardiovascular System</term>
<term>Hyperventilation</term>
<term>Hypocapnia</term>
<term>Phobic Disorders</term>
<term>Sympathetic Nervous System</term>
<term>Syncope, Vasovagal</term>
</keywords>
<keywords scheme="MESH" qualifier="psychology" xml:lang="en"><term>Surgical Procedures, Operative</term>
<term>Syncope, Vasovagal</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Female</term>
<term>Healthy Volunteers</term>
<term>Humans</term>
<term>Prodromal Symptoms</term>
<term>Respiration</term>
<term>Vascular Resistance</term>
<term>Vasoconstriction</term>
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<front><div type="abstract" xml:lang="en">Vasovagal reactions are conventionally understood as resulting from systemic changes in cardiovascular activity; however, there exists a complementary perspective focused on specific changes in cerebral vasoconstriction associated with hyperventilation-induced hypocapnia. The present study investigated the role of cardiovascular and respiratory activity in self-reported pre-syncopal vasovagal reactions to a surgery video in a sample of 49 healthy women. Participants who indicated more previous real-life episodes of dizziness reported experiencing significantly more symptoms in the laboratory consistent with a vasovagal response. They also showed lower total peripheral resistance and higher pre-ejection period in general, suggesting lower sympathetic nervous system activity. Significant decreases in end-tidal carbon dioxide (P<sub>ET</sub>
CO<sub>2</sub>
) occurred during the surgery video among susceptible participants, without significant increases in respiration rate. Further, participants who experienced reductions from the neutral video in P<sub>ET</sub>
CO<sub>2</sub>
, systolic blood pressure, or both, reported vasovagal symptoms during the surgery video. The results suggest that patterns of respiration associated with decreases in P<sub>ET</sub>
CO<sub>2</sub>
may contribute to vasovagal symptoms reported in non-clinical groups as well as those with blood-injection-injury phobia and are associated with susceptibility to dizziness.</div>
</front>
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<ArticleTitle>Respiratory and hemodynamic contributions to emotion-related pre-syncopal vasovagal symptoms.</ArticleTitle>
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<Abstract><AbstractText>Vasovagal reactions are conventionally understood as resulting from systemic changes in cardiovascular activity; however, there exists a complementary perspective focused on specific changes in cerebral vasoconstriction associated with hyperventilation-induced hypocapnia. The present study investigated the role of cardiovascular and respiratory activity in self-reported pre-syncopal vasovagal reactions to a surgery video in a sample of 49 healthy women. Participants who indicated more previous real-life episodes of dizziness reported experiencing significantly more symptoms in the laboratory consistent with a vasovagal response. They also showed lower total peripheral resistance and higher pre-ejection period in general, suggesting lower sympathetic nervous system activity. Significant decreases in end-tidal carbon dioxide (P<sub>ET</sub>
CO<sub>2</sub>
) occurred during the surgery video among susceptible participants, without significant increases in respiration rate. Further, participants who experienced reductions from the neutral video in P<sub>ET</sub>
CO<sub>2</sub>
, systolic blood pressure, or both, reported vasovagal symptoms during the surgery video. The results suggest that patterns of respiration associated with decreases in P<sub>ET</sub>
CO<sub>2</sub>
may contribute to vasovagal symptoms reported in non-clinical groups as well as those with blood-injection-injury phobia and are associated with susceptibility to dizziness.</AbstractText>
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<ForeName>Johanna M</ForeName>
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<Agency>British Heart Foundation</Agency>
<Country>United Kingdom</Country>
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