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1.
Castaldelli-Maia João Mauricio Hofmann Caio Chagas Antonio Carlos Palandri Liprandi Alvaro Sosa Alcocer Alejandro Andrade Laura H. Wielgosz Andreas 《Cardiovascular drugs and therapy / sponsored by the International Society of Cardiovascular Pharmacotherapy》2021,35(3):441-454
Cardiovascular Drugs and Therapy - Major depressive disorder (MDD) and anxiety disorders (AD) are both highly prevalent among individuals with arrhythmia, ischemic heart disease, heart failure,... 相似文献
2.
Daniel W. Grupe Ted Imhoff-Smith Joseph Wielgosz Jack B. Nitschke Richard J. Davidson 《Psychophysiology》2020,57(1):e13352
Previous studies have identified reduced heart rate variability (HRV) in post-traumatic stress disorder (PTSD), which may temporally precede the onset of the disorder. A separate line of functional neuroimaging research in PTSD has consistently demonstrated hypoactivation of the ventromedial prefrontal cortex (vmPFC), a key aspect of a descending neuromodulatory system that exerts inhibitory control over heart rate. No research to date, however, has simultaneously investigated whether altered vmPFC activation is associated with reduced HRV and elevated PTSD symptoms in the same individuals. Here, we collected fMRI data during alternating conditions of threat of shock and safety from shock in 51 male combat-exposed veterans with either high or low levels of PTSD symptoms. Pulse rate variability (PRV)—a HRV surrogate calculated from pulse oximetry—was assessed during a subsequent resting scan. Correlational analyses tested for hypothesized relationships between reduced vmPFC activation, lower PRV, and elevated PTSD symptomatology. We found that PTSD re-experiencing symptoms were inversely associated with high-frequency (HF)-PRV, thought to primarily reflect parasympathetic control of heart rate, in veterans with elevated PTSD symptoms. Reduced vmPFC activation for the contrast of safety-threat was associated both with lower HF-PRV and elevated PTSD re-experiencing symptoms. These results tie together previous observations of reduced HRV/PRV and impaired vmPFC function in PTSD and call for further research on reciprocal brain-body relationships in understanding PTSD pathophysiology. 相似文献
3.
Eric E. Smith MD MPH Martin O'Donnell MD PhD Gilles Dagenais MD MSc Scott A. Lear PhD Andreas Wielgosz MD PhD Mukul Sharma MD MSc Paul Poirier MD PhD Grant Stotts MD Sandra E. Black MD Stephen Strother PhD Michael D. Noseworthy PhD PEng Oscar Benavente MD Jayesh Modi MD Mayank Goyal MD Saima Batool MD Karla Sanchez BSc Vanessa Hill Cheryl R. McCreary PhD Richard Frayne PhD Shofiqul Islam MSc Jane DeJesus BSc Sumathy Rangarajan MSc Koon Teo MD PhD Salim Yusuf MBBS DPhil 《Annals of neurology》2015,77(2):251-261
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