From the California State University, Long Beach, School of Nursing, Long Beach, CA (Dr. McGuire, Ms. Ahearn), and the University of California, Los Angeles, School of Nursing, Los Angeles, CA (Dr. Doering).
Abstract
Objective: To review the current literature regarding psychological distress in patients with cardiovascular disease (CVD).
Methods: Relevant and current (2005–2015) studies were retrieved by a series of searches conducted in the PubMed and PsychINFO databases using Boolean terms/phrases along with manual extraction from the reference lists of pertinent studies. Narrative and tabular summaries of the findings are reported.
Results: There is a vast literature on psychological distress and CVD. Depression is the most common disorder studied followed by anxiety and post-traumatic stress disorder. Physiologic mechanisms linking psychological distress to CVD are well theorized. Screening for psychological distress in CVD is recommended. Referral and treatment issues need further exploration. Pharmacologic treatment of psychological distress in CVD remains equivocal; however, promising data exists for other therapies such as cognitive behavioral therapy and social support strategies.
Conclusion: Psychological distress has a significant negative impact on patients with CVD and is underrecognized by health care providers. Primary care providers and cardiovascular specialty providers are called upon to improve their recognition of psychological distress in their patients and assure referrals are made to collaborative care teams for proper diagnosis and treatment.
The association between the heart and the mind has been proposed by scientists since the 17th century. However, it was not until the 1970s that the relationship between cardiovascular disease (CVD) and psychological states came into scientific focus. The study of heart-psyche interactions began with investigations of cardiovascular risk and “type A” personality behaviors (aggressiveness, impatience, a sense of time-urgency, intense achievement drive, seeking recognition) [1,2]. Hundreds of studies generated over the last 10 years have yielded an extensive body of literature regarding this complex interaction.
CVD continues to be the leading cause of death globally. Worldwide and in the United States, CVD accounts for 30% of deaths and more than 2000 deaths per day, respectively [3,4]. Psychological distress (specifically depression) has been reported by the World Health Organization (WHO) as the leading cause of disability in the world [4]. Taken together, CVD and depression constitute an immense health burden and result in poor health status, increased care giver burden [5], increased readmission rates to hospitals, increased utilization of primary care services, poor health compliance [6], decreased health related quality of life [7], and a greater than 2 times increase in mortality [8,9].
Despite its devastating consequences, comorbid CVD and psychological distress remains poorly recognized and treated. In this paper, we present a review of the evidence related to key aspects of psychological distress and CVD (for the purposes of this paper, defined as ischemic heart disease and stroke), and provide information to help improve identification among health care providers. Relevant and current (2005-2015) studies for this review were retrieved by a series of searches conducted in the PubMed and PsychINFO databases using Boolean terms/phrases, along with manual extraction from the reference lists of pertinent studies. Due to the breadth and extent of the literature, a comprehensive review of the literature is beyond the scope of this article. However, the reader will be directed to current systematic reviews, meta-analyses, and recent select research studies sourced for this summary and presented in tabular form.