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long COVID

Study Highlights Need for Continued Care of COVID-19 Survivors

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Collage of people being cared for after contracting COVID-19
Credit: Composed of images from Getty

The past several months have shown that most people hospitalized with COVID-19 will get better. As inspiring as it is to see these patients breathe on their own and converse with their loved ones again, we are learning that many will leave the hospital still quite ill and in need of further care. But little has been published to offer a detailed demographic picture of those being discharged from our nation’s hospitals and the types of community-based care and monitoring that will be needed to keep them on the road to recovery.

A recent study in the journal EClinicalMedicine helps to fill in those gaps by chronicling the early COVID-19 experience of three prominent hospitals in the Boston area: Massachusetts General Hospital, Brigham and Women’s Hospital, and Newton-Wellesley Hospital. These data were reported from a patient registry of 247 middle-aged and older COVID-19 patients. The patients were admitted over three weeks last March into one of these hospitals, which are part of New England’s largest integrated health network.

The data confirm numerous previous reports that COVID-19 disproportionately affects people of color. The researchers, led by Jason H. Wasfy and Cian P. McCarthy, Massachusetts General Hospital and Harvard Medical School, Boston, found a large number of their patients were Hispanic (30 percent) or Black (10 percent). Wasfy said these numbers could be driven by many factors, including a low income, more family members living in one home, greater difficulty accessing healthcare, presence of chronic illness (health disparities), and serving as essential workers during the pandemic.

The researchers also tracked the patients after discharge for about 80 days. About a third of patients left the hospital for a post-acute care facility to continue their rehabilitation. After discharge, many required supplemental oxygen (15 percent), tube feeding (9 percent), or treatment with medications including antipsychotics and prescription painkillers (16 percent). About 10 percent were readmitted to the hospital within weeks or months of their initial discharge.

Wasfy and colleagues also found:

· Many patients undergoing treatment were enrolled in Medicaid (20 percent) or both Medicaid and Medicare (12 percent).

· A substantial number also were retired (36 percent) or unemployed (8.5 percent), highlighting the role of non-occupational spread. Many others worked in the hospitality industry, healthcare, or public transportation.

· A large proportion (42 percent) of hospitalized patients required intensive care. The good news is that most of them (86 percent) ultimately recovered enough to be discharged from the hospital. Tragically, 14 percent—34 of 247 people—died in the hospital.

These findings represent hospitals in just one notable American city hard hit early in the pandemic. But they spotlight the importance of public health efforts to prevent COVID-19 among the most vulnerable and reduce its most devastating social impacts. These are critical points, and NIH has recently begun supporting community engagement research efforts in areas hardest hit by COVID-19. With this support and access to needed post-discharge care, we aim to help more COVID survivors stay on the road to a full recovery.

Reference:

[1] Early clinical and sociodemographic experience with patients hospitalized with COVID-19 at a large American healthcare system. McCarthy CP et al. EClinicalMedicine. August 19, 2020.

Links:

Coronavirus (COVID-19) (NIH)

Massachusetts General Hospital (Boston)

Brigham and Women’s Hospital (Boston)

Newton-Wellesley Hospital (Newton, MA)

Jason Wasfy (Massachusetts General Hospital)


Months After Recovery, COVID-19 Survivors Often Have Persistent Lung Trouble

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Lung function test
Caption: Testing breathing capacity with a spirometer. Credit: iStock/Koldunov

The pandemic has already claimed far too many lives in the United States and around the world. Fortunately, as doctors have gained more experience in treating coronavirus disease 2019 (COVID-19), more people who’ve been hospitalized eventually will recover. This raises an important question: what does recovery look like for them?

Because COVID-19 is still a new condition, there aren’t a lot of data out there yet to answer that question. But a recent study of 55 people recovering from COVID-19 in China offers some early insight into the recovery of lung function [1]. The results make clear that—even in those with a mild-to-moderate infection—the effects of COVID-19 can persist in the lungs for months. In fact, three months after leaving the hospital about 70 percent of those in the study continued to have abnormal lung scans, an indication that the lungs are still damaged and trying to heal.

The findings in EClinicalMedicine come from a team in Henan Province, China, led by Aiguo Xu, The First Affiliated Hospital of Zhengzhou University; Yanfeng Gao, Zhengzhou University; and Hong Luo, Guangshan People’s Hospital. They’d heard about reports of lung abnormalities in patients discharged from the hospital. But it wasn’t clear how long those problems stuck around.

To find out, the researchers enrolled 55 men and women who’d been admitted to the hospital with COVID-19 three months earlier. Some of the participants, whose average age was 48, had other health conditions, such as diabetes or heart disease. But none had any pre-existing lung problems.

Most of the patients had mild or moderate respiratory illness while hospitalized. Only four of the 55 had been classified as severely ill. Fourteen patients required supplemental oxygen while in the hospital, but none needed mechanical ventilation.

Three months after discharge from the hospital, all of the patients were able to return to work. But they continued to have lingering symptoms of COVID-19, including shortness of breath, cough, gastrointestinal problems, headache, or fatigue.

Evidence of this continued trouble also showed up in their lungs. Thirty-nine of the study’s participants had an abnormal result in their computed tomography (CT) lung scan, which creates cross-sectional images of the lungs. Fourteen individuals (1 in 4) also showed reduced lung function in breathing tests.

Interestingly, the researchers found that those who went on to have more lasting lung problems also had elevated levels of D-dimer, a protein fragment that arises when a blood clot dissolves. They suggest that a D-dimer test might help to identify those with COVID-19 who would benefit from pulmonary rehabilitation to rebuild their lung function, even in the absence of severe respiratory symptoms.

This finding also points to the way in which the SARS-CoV-2 virus seems to enhance a tendency toward blood clotting—a problem addressed in our Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) public-private partnership. The partnership recently initiated a trial of blood thinners. That trial will start out by focusing on newly diagnosed outpatients and hospitalized patients, but will go on to include a component related to convalescence.

Moving forward, it will be important to conduct larger and longer-term studies of COVID-19 recovery in people of diverse backgrounds to continue to learn more about what it means to survive COVID-19. The new findings certainly indicate that for many people who’ve been hospitalized with COVID-19, regaining normal lung function may take a while. As we learn even more about the underlying causes and long-term consequences of this new infectious disease, let’s hope it will soon lead to insights that will help many more COVID-19 long-haulers and their concerned loved ones breathe easier.

Reference:

[1] Follow-up study of the pulmonary function and related physiological characteristics of COVID-19 survivors three months after recovery. Zhao YM, Shang YM, Song WB, Li QQ, Xie H, Xu QF, Jia JL, Li LM, Mao HL, Zhou XM, Luo H, Gao YF, Xu AG. EClinicalMedicine.2020 Aug 25:100463

Links:

Coronavirus (COVID-19) (NIH)

How the Lungs Work (National Heart, Lung, and Blood Institute/NIH)

Computed Tomography (CT) (National Institute of Biomedical Imaging and Bioengineering/NIH)

Zhengzhou University (Zhengzhou City, Henan Province, China)

Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) (NIH)


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