Robert H. Pietrzak, PhD, MPH

a:4:{i:0;s:117:"US Department of Veterans Affairs National Center for PTSD, VA Connecticut Healthcare System, West Haven, Connecticut";i:1;s:73:"Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut";i:2;s:98:"Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, Connecticut";i:3;s:183:"

JCP
Psychosocial Correlates of Optimism among US Military Veterans
Brief Report

April 21, 2025

Positive psychosocial characteristics (PPCs) such as curiosity, perceived resilience, and purpose in life were strongly linked to optimism scores, suggesting a role for interventions that target other PPCs in...
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JCP
Ketamine Infusions and Written Exposure Therapy for Chronic PTSD
Original Research

April 2, 2025

Preliminary findings suggest that the combined treatment may yield large and durable symptom reductions for patients with severe chronic PTSD
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PCC
Suicide-Specific Cognitions in US Military Veterans
Original Research

January 14, 2025

This study examined data from a large, nationally representative sample of US veterans to determine the prevalence and correlates of high chronic suicide risk.
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JCP
Sex Differences in PTSD among US Military Veterans
Brief Report

December 16, 2024

Sex differences in PTSD were attributable to differential exposure to traumatic events such as childhood sexual assault and military sexual trauma and to social factors such as greater loneliness.
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JCP
Prevalence, Correlates, and Burden of Subthreshold PTSD in US Veterans
Original Research

October 23, 2024

Subthreshold PTSD affects 3.5% of US military veterans and is associated with increased rates of psychiatric disorders, suicidal thoughts and behaviors, and functional difficulties.
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PCC
Psychological Resilience of Mental Health Workers During the Russia-Ukraine War
Original Research

October 22, 2024

Interventions that bolster social connectedness, meaning in life, and optimism may help promote psychological resilience among mental health workers exposed to ongoing war-related and work-related stressors.
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PCC
Functional Disability in US Military Veterans
Original Research

July 4, 2023

Improved identification and integrated clinical management of sociodemographic, military, and health risk factors may help mitigate disability risk and promote the maintenance of functional capacity in US veterans.
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JCP
Social Support and Suicidal Thoughts and Behaviors
Original Research

December 5, 2022

Greater diversity of social networks was more strongly associated with lower risks of suicidal thoughts and behaviors than perceived strength of social support.
, , , et al
PCC
Resilience in the Face of the COVID-19 Crisis
Brief Report

October 4, 2022

Here, the authors examine the prevalence and correlates of resilience during the COVID-19 pandemic among front-line health care workers in New York City.
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JCP
Association of Distress Due to Systemic Racism and Racial Disparities With Psychopathology and Suicidal Ideation Among Veterans During COVID-19
Brief Report

August 1, 2022

Data from the National Health and Resilience in Veterans Study shed light on the intersection of systemic racism and the COVID-19 pandemic.
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JCP
PTSD Symptoms and GrimAge, an Epigenetic Marker of Mortality Risk, in Veterans
Brief Report

July 6, 2022

This study investigated whether PTSD and other medical and psychiatric conditions were linked to GrimAge, a measure of epigenetic aging, in a large sample of male US veterans.
, , , et al
JCP
Factors Associated With Remission of Suicidal Ideation in Veterans During COVID-19
Brief Report

June 27, 2022

This study compared veterans with and without remission of suicidal ideation during the pandemic on pre- and peri-pandemic clinical and psychosocial characteristics.
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