Search Results - "Ammer Haffar"

Data‐driven approach for automatic detection of aortic valve opening: B point detection from impedance cardiogram by Sheikh, Shafa‐at Ali, Gurel, Nil Z., Gupta, Shishir, Chukwu, Ikenna V., Levantsevych, Oleksiy, Alkhalaf, Mhmtjamil, Soudan, Majd, Abdulbaki, Rami, Haffar, Ammer, Vaccarino, Viola, Inan, Omer T., Shah, Amit J., Clifford, Gari D., Bahrami Rad, Ali

“…Pre‐ejection period (PEP), an indicator of sympathetic nervous system activity, is useful in psychophysiology and cardiovascular studies. Accurate PEP…”
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Validation of a new impedance cardiography analysis algorithm for clinical classification of stress states by Sheikh, Shafa‐at Ali, Gurel, Nil Z., Gupta, Shishir, Chukwu, Ikenna V., Levantsevych, Oleksiy, Alkhalaf, Mhmtjamil, Soudan, Majd, Abdulbaki, Rami, Haffar, Ammer, Clifford, Gari D., Inan, Omer T., Shah, Amit J.

“…Pre‐ejection period (PEP) is an index of sympathetic nervous system activity that can be computed from electrocardiogram (ECG) and impedance cardiogram (ICG)…”
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An unbiased, efficient sleep–wake detection algorithm for a population with sleep disorders: change point decoder by Cakmak, Ayse S, Da Poian, Giulia, Willats, Adam, Haffar, Ammer, Abdulbaki, Rami, Ko, Yi-An, Shah, Amit J, Vaccarino, Viola, Bliwise, Donald L, Rozell, Christopher, Clifford, Gari D

“…Abstract Study Objectives The usage of wrist-worn wearables to detect sleep–wake states remains a formidable challenge, particularly among individuals with…”
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Association of Autonomic Activation with traumatic reminder challenges in posttraumatic stress disorder: A co‐twin control study by Perez Alday, Erick A., Da Poian, Giulia, Levantsevych, Oleksiy, Murrah, Nancy, Shallenberger, Lucy, Alkhalaf, Mhmtjamil, Haffar, Ammer, Kaseer, Belal, Ko, Yi‐An, Goldberg, Jack, Smith, Nicholas, Lampert, Rachel, Bremner, J. Douglas, Clifford, Gari D., Vaccarino, Viola, Shah, Amit J.

“…Post‐traumatic stress disorder (PTSD) has been associated with cardiovascular disease (CVD), but the mechanisms remain unclear. Autonomic dysfunction,…”
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Association between PTSD and Impedance Cardiogram‐based contractility metrics during trauma recall: A controlled twin study by Sheikh, Shafa‐at Ali, Perez Alday, Erick A., Rad, Ali Bahrami, Levantsevych, Oleksiy, Alkhalaf, Mhmtjamil, Soudan, Majd, Abdulbaki, Rami, Haffar, Ammer, Smith, Nicholas L., Goldberg, Jack, Bremner, J. Douglas, Vaccarino, Viola, Inan, Omer T., Clifford, Gari D., Shah, Amit J.

“…Post‐traumatic stress disorder (PTSD) is an independent risk factor for incident heart failure, but the underlying cardiac mechanisms remained elusive…”
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Obstructive sleep apnea, myocardial perfusion and myocardial blood flow: A study of older male twins by Vaccarino, Viola, Shah, Amit J, Moncayo, Valeria, Nye, Jonathon A, Piccinelli, Marina, Ko, Yi-An, Ma, Xin, Murrah, Nancy, Shallenberger, Lucy, Driggers, Emily, Jajeh, Nour, Haffar, Ammer, Al-Abboud, Omar, Raggi, Paolo, Hall, Martica H, Sloan, Richard P, Goldberg, Jack, Smith, Nicholas L, Garcia, Ernest V, Quyyumi, Arshed A, Bremner, J Douglas, Bliwise, Donald L

“…Obstructive sleep apnea (OSA) has been associated with incidence of cardiovascular disease and with nocturnal angina, but evidence of a link with coronary…”
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Effect of transcutaneous cervical vagus nerve stimulation on the pituitary adenylate cyclase-activating polypeptide (PACAP) response to stress: A randomized, sham controlled, double blind pilot study by Gurel, Nil Z., Jiao, Yunshen, Wittbrodt, Matthew T., Ko, Yi-An, Hankus, Allison, Driggers, Emily G., Ladd, Stacy L., Shallenberger, Lucy, Murrah, Nancy, Huang, Minxuan, Haffar, Ammer, Alkhalaf, Mhmtjamil, Levantsevych, Oleksiy, Nye, Jonathon A., Vaccarino, Viola, Shah, Amit J., Inan, Omer T., Bremner, J. Douglas, Pearce, Bradley D.

“…Pituitary adenylate cyclase-activating peptide (PACAP) is a neuropeptide that plays a key role in the neurobiology of the stress response, and prior studies…”
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Posttraumatic Stress Disorder, Myocardial Perfusion, and Myocardial Blood Flow: A Longitudinal Twin Study by Vaccarino, Viola, Shah, Amit J., Moncayo, Valeria, Nye, Jonathon, Piccinelli, Marina, Ko, Yi-An, Ma, Xin, Murrah, Nancy, Shallenberger, Lucy, Driggers, Emily, Levantsevych, Oleksiy M., Hammadah, Muhammad, Lima, Bruno B., Young, An, O’Neal, Wesley, Alkhalaf, Mhmtjamil, Haffar, Ammer, Raggi, Paolo, Goldberg, Jack, Smith, Nicholas L., Garcia, Ernest V., Quyyumi, Arshed A., Bremner, J. Douglas

“…The link between posttraumatic stress disorder (PTSD) and ischemic heart disease remains elusive owing to a shortage of longitudinal studies with a clinical…”
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Sex differences in the inflammatory response to stress and risk of adverse cardiovascular outcomes among patients with coronary heart disease by Sullivan, Samaah, Young, An, Hammadah, Muhammad, Lima, Bruno B., Levantsevych, Oleksiy, Ko, Yi-An, Pearce, Brad D., Shah, Amit J., Kim, Jeong Hwan, Moazzami, Kasra, Driggers, Emily G., Haffar, Ammer, Ward, Laura, Herring, Isaias, Hankus, Allison, Lewis, Tené T., Mehta, Puja K., Bremner, J. Douglas, Raggi, Paolo, Quyyumi, Arshed, Vaccarino, Viola

“…•First to study inflammatory response to stress and adverse cardiovascular events.•We found clear sex differences.•Higher IL-6 and MCP-1 stress response was…”
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Quantifying Posttraumatic Stress Disorder Symptoms During Traumatic Memories Using Interpretable Markers of Respiratory Variability by Gazi, Asim H., Sanchez-Perez, Jesus Antonio, Saks, Georgia L., Alday, Erick A. Perez, Haffar, Ammer, Ahmed, Hashir, Herraka, Duaa, Tarlapally, Nitya, Smith, Nicholas L., Bremner, J. Douglas, Shah, Amit J., Inan, Omer T., Vaccarino, Viola

“…Background: Posttraumatic stress disorder (PTSD) causes heightened fight-or-flight responses to traumatic memories (i.e., hyperarousal). Although hyperarousal…”
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Neural Correlates of Stress and Abdominal Obesity in Patients With Coronary Artery Disease by Moazzami, Kasra, Wittbrodt, Matthew T., Lima, Bruno B., Levantsevych, Oleksiy, Kaseer, Belal, Martini, Afif, Haffar, Ammer, Nye, Jonathon A., Quyyumi, Arshed A., Shah, Amit, Vaccarino, Viola, Bremner, J. Douglas

“…This study aimed to investigate the relationship between waist circumference as a measure of abdominal obesity and brain responses to stress among patients…”
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Complete heart block in patients infected with SARS-CoV-2: A case series from a developing country by Sharif, Muhammad Hammad, Khan, Abdul Wali, Khaleeque, Madeeha, Haffar, Ammer, Jaiswal, Vikash, Song, David, Abdelghffar, Mohamed, Ahmad, Saad, Almas, Talal, Hanif, Muhammad

“…Coronavirus Disease 19 (COVID-19) has led to a global pandemic and has been the center of attention across the entire medical community. This novel virus was…”
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The Role and Efficacy of Coenzyme Q10 in the Management of Erectile Dysfunction in a Hypertensive Male: An Interventional Study by Aguilera-Alvarez, Victor H, Mohammed, Bilal Khan, Fatima, Aqsa, Patel, Ankit, Patel, Avaniben, Gyabaah, Frederick N, John, Jobby, Iqbal, Abbas, Naz, Sidra, Munir, Affan, Haffar, Ammer, Irfan, Muhammad, Hanif, Muhammad

“…Introduction Erectile dysfunction (ED) is a prevalent medical condition that affects millions of men globally. A number of pharmacological and complementary…”
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Obstructive sleep apnea, myocardial perfusion and myocardial blood flow: A study of older male twins by Viola Vaccarino, Amit J. Shah, Valeria Moncayo, Jonathon A. Nye, Marina Piccinelli, Yi-An Ko, Xin Ma, Nancy Murrah, Lucy Shallenberger, Emily Driggers, Nour Jajeh, Ammer Haffar, Omar Al-Abboud, Paolo Raggi, Martica H. Hall, Richard P. Sloan, Jack Goldberg, Nicholas L. Smith, Ernest V. Garcia, Arshed A. Quyyumi, J. Douglas Bremner, Donald L. Bliwise

“…Background Obstructive sleep apnea (OSA) has been associated with incidence of cardiovascular disease and with nocturnal angina, but evidence of a link with…”
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Abstract 14514: Sex Differences in the Inflammatory Response to Stress and Risk of Adverse Cardiovascular Outcomes by Sullivan, Samaah, Young, An, Hammadah, Muhammad, Lima, Bruno B, Ko, Yi-An, Pearce, Brad D, Shah, Amit J, Kim, Jeong Hwan, Moazzami, Kasra, Murrah, Nancy, Driggers, Emily G, Kaseer, Belal, Levantsevych, Oleksiy, Haffar, Ammer, Ward, Laura, Hankus, Allison, Lewis, Tene T, Mehta, Puja K, Bremner, J Douglas, Raggi, Paolo, Quyyumi, Arshed A, Vaccarino, Viola

“…IntroductionStress may contribute to progression of coronary heart disease (CHD) and acute coronary syndromes through inflammation. This may be especially…”
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Transcutaneous Cervical Vagus Nerve Stimulation Inhibits the Reciprocal of the Pulse Transit Time's Responses to Traumatic Stress in Posttraumatic Stress Disorder by Gazi, Asim H., Sundararaj, Srirakshaa, Harrison, Anna B., Gurel, Nil Z., Wittbrodt, Matthew T., Alkhalaf, Mhmtjamil, Soudan, Majd, Levantsevych, Oleksiy, Haffar, Ammer, Shah, Amit J., Vaccarino, Viola, Bremner, J. Douglas, Inan, Omer T.

“…Research has shown that transcutaneous cervical vagus nerve stimulation (tcVNS) yields downstream changes in peripheral physiology in individuals afflicted…”
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