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  • Dyspnoea on exertion...

Dyspnoea on exertion in long COVID patients signals heart damage: ESC study

Written By : Dr Kartikeya Kohli |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2021-12-10T09:30:41+05:30  |  Updated On 10 Dec 2021 9:43 AM IST
Dyspnoea on exertion in long COVID patients signals heart damage: ESC study
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COVID-19 patients who continue to be short of breath during physical activity one year after recovering from the infection may have suffered heart damage, suggests a new study.

The research was presented at EuroEcho 2021, a scientific congress of the European Society of Cardiology (ESC).
"The findings could help to explain why some patients with long COVID still experience breathlessness one year later and indicate that it might be linked to a decrease in heart performance," said study author Dr. Maria-Luiza Luchian of University Hospital Brussels, Belgium.
There is increasing evidence of cardiovascular complications due to COVID-19 and of long-lasting symptoms such as dyspnoea (shortness of breath), known as long COVID.2,3 This study investigated whether subclinical heart abnormalities were more common in long COVID patients with dyspnoea – thereby potentially explaining the reason for their symptoms.

The study included 66 patients without previous heart or lung disease who were hospitalised with COVID-19 between March and April 2020 at University Hospital Brussels. At one-year after hospital discharge, spirometry together with chest computed tomography were used to assess lung function and possible sequela of COVID-19. Cardiac ultrasound was performed to examine heart function and included a new imaging technique called myocardial work which provides more precise information on heart function than previous methods.
The average age of participants was 50 years and 67% were men. At one year, 23 patients (35%) had shortness of breath during effort.
The researchers examined the association between imaging measures of heart function and shortness of breath at one year after adjusting for age and gender. The analysis showed that abnormal heart function was independently and significantly associated with persistent dyspnoea. Cardiac imaging revealed poorer heart performance in patients with versus without dyspnoea at one year after hospitalisation due to COVID-19.
Dr. Luchian said: "Our study shows that more than a third of COVID-19 patients with no history of heart or lung disease had persistent dyspnoea on effort a year after discharge from hospital. When looking in detail at heart function by cardiac ultrasound, we observed subtle abnormalities that might explain the continued breathlessness."
She concluded: "Myocardial work could be a new echocardiographic tool for early identification of heart function abnormalities in patients with long COVID-19, who might need more frequent and long-term cardiac surveillance. Future studies including different COVID-19 variants and the impact of vaccination are needed to confirm our results on the long-term evolution and possible cardiac consequences of this disease."
European Society of Cardiologydyspnoeashortness of breathlong CovidCovid 19COVID-19corona virus
Source : European Society of Cardiology,
Dr Kartikeya Kohli
Dr Kartikeya Kohli

    Dr Kartikeya Kohli is an Internal Medicine Consultant at Sitaram Bhartia Hospital in Delhi with super speciality training in Nephrology. He has worked with various eminent hospitals like Indraprastha Apollo Hospital, Sir Gangaram Hospital. He holds an MBBS from Kasturba Medical College Manipal, DNB Internal Medicine, Post Graduate Diploma in Clinical Research and Business Development, Fellow DNB Nephrology, MRCP and ECFMG Certification. He has been closely associated with India Medical Association South Delhi Branch and Delhi Medical Association and has been organising continuing medical education programs on their behalf from time to time. Further he has been contributing medical articles for their newsletters as well. He is also associated with electronic media and TV for conduction and presentation of health programs. He has been associated with Medical Dialogues for last 3 years and contributing articles on regular basis.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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