key: cord-0941967-z9zhndvs
authors: Inciardi, Riccardo M.; Chandra, Alvin
title: Long COVID-19: A Tangled Web of Lungs, Heart, Mind, and Gender
date: 2021-10-19
journal: Trends Cardiovasc Med
DOI: 10.1016/j.tcm.2021.10.004
sha: f8373d191de65013f00629713cf9ad3132155c92
doc_id: 941967
cord_uid: z9zhndvs

nan

While understudied, the association between global pandemic and mental illness has been described in past pandemics for over a century. Survivors of the Russian influenza pandemic of 1889 reported years of fatigue, insomnia, depression, anxiety, and psychoses (5) . Similarly, in the 6 years following the Spanish flu pandemic of 1918, first-time asylum hospitalizations in Norway with mental disorders attributed to influenza increased by an average annual factor of 7.2 (6) . Survivors of Spanish flu were also reported to have increased rates of sleep disturbances, depression, difficulties coping at work, and suicide (7) . In more contemporary times, following the 2003 SARS CoV-1 pandemic in Hong Kong, there was a 32% increase in suicide rates, and survivors of SARS had persistently elevated stress and psychological distress levels (8, 9) . Interestingly, in the prior pandemic literature, there has not been a consistent association between gender and pandemic-related mental illness.

There are inherent sex differences that have been noted in the pathophysiology of COVID-19 infection as Bucciarelli et al. (10) elegantly detailed in their review. While men tend to have higher severity and fatality rates in COVID-19 infection (11), women, especially middle-age women are significantly more likely to develop long COVID (12) . Although the exact mechanisms are not clear yet, a persistent subclinical inflammatory hypothesis associated with an autoimmune reaction are thought to partially explain the higher incidence of this syndrome among women (13) (14) (15) . Other potential etiologies include unmasking of comorbidities, residual damage from acute infection, and persistent viral replication (16) . Several of the long COVID symptoms share similar characteristics with those of patients with mental illness including depression, fatigue, or generalized weakness (17) , while depression by itself has long been associated with cardiovascular disease (18) . Thus, along with the mental health related symptoms, long COVID-19 may ultimately represent the substrate for an increased risk of cardiovascular (CV) disease. Additionally, as previously described during the Ebola virus disease and the Zika virus outbreaks (19, 20) , women experience larger financial issues and consequent chronic stress due to their primary employment in economic sectors more exposed to social distancing, which significantly suffers the outbreak restrictions. Changes in lifestyle, isolation at home, along with the aforementioned mental health issues, promote an increase in sedentary time and a negative dietary pattern. Unhealthy behaviors and the combined effect of a proactive inflammatory substrate due to long COVID-19 syndrome, may therefore represent relevant CV risk factors with a potential impact on prognosis. From this perspective, cardiac rehabilitation programs should be encouraged to mitigate the mental health consequences of COVID-19 and to prevent the deleterious effects on the CV system. Ultimately, these data highlight the need for a proactive approach to follow-up affected patients with a systematic assessment to include symptoms of mental and physical health and to promote specific healthcare programs to support healthier lifestyle and trained physical activity after COVID-19 infection.

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