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The pandemic has changed the world as we know it, causing a dramatic drop in adult cardiac surgery volume and worsening patient outcomes. Unsplash

The effects of the Covid-19 pandemic have resulted in a substantial decline in overall heart surgery volume and an unexplained increase in deaths after coronary artery bypass grafting in the US, says a new study.

“The pandemic has changed the world as we know it, causing a dramatic drop in adult cardiac surgery volume and worsening patient outcomes,” said Tom Nguyen from the University of California, San Francisco.


For the study, the researchers queried the STS Adult Cardiac Surgery Database, a clinical outcomes registry for adult cardiac surgery, from January 1, 2018, to June 30, 2020, and The Johns Hopkins Covid-19 Dashboard from February 1, 2020, to January 1, 2021.

The researchers examined data from 717,103 adult cardiac surgery patients and more than 20 million Covid-19 patients in an effort to determine how the pandemic affected adult cardiac surgery on national and regional levels.

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The results showed that there was a 53 per cent decrease nationwide in all adult cardiac surgery volume when compared to 2019 and 65 per cent fewer elective cases in the US.

The Covid-19 also impacted non-elective cases, resulting in a 40 per cent decrease, according to the findings presented at the 57th Annual Meeting of The Society of Thoracic Surgeons being held from January 29-31.


The effects of the Covid-19 pandemic have resulted in a substantial decline in overall heart surgery volume and an unexplained increase in deaths after coronary artery bypass grafting in the US, says a new study. Unsplash

Though the data did not directly address the cause of increased mortality, many surgeons said they currently are limited to operating on only the most urgent coronary bypass cases and patients who tend to be sicker.

“These numbers should not serve as a deterrent to patients seeking care for chest pain or other cardiac symptoms,” said Robbin Cohen from Keck School of Medicine of the University of Southern California in Los Angeles, who was not directly involved with this study.

“If anything, they are a warning to get into the system as soon as possible.”

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The total number of global coronavirus cases has topped 102.5 million, while the deaths have surged to more than 2.21 million, according to the Johns Hopkins University.

The US is the worst-hit country with the world’s highest number of cases and deaths at 26,067,807 and 439,420, respectively, according to the data. (IANS)


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Photo by Wikimedia Commons

Japan launched its new satellite, QZS-1R.

Japan has successfully launched a new navigation satellite into orbit that will replace its decade-old navigation satellite.

The satellite, QZS-1R, was launched onboard an H-2A rocket that lifted off from the Tanegashima Space Center at 10.19 p.m. on Monday night, Mitsubishi Heavy Industries said in a statement.

The company builds and operates H-2A rockets the Japan Aerospace Exploration Agency (JAXA).

QZS-1R is a replacement for Quasi-Zenith Satellite System 1 satellite first launched in 2010. “It was a really beautiful launch," the company said in a tweet after a successful lift-off.

"H-IIA F44 flight proceeded nominally. Approximately 28 minutes 6 seconds after launch, as planned, the payload separated from the launch vehicle," the statement said.

The official QZSS website lists four satellites in the constellation: QZS-1, QZS-2, QZS-3 and QZS-4, Space.com reported.

The QZSS constellation will eventually consist of a total of seven satellites that fly in an orbit passing through a near-zenith (or directly overhead) above Japan, and QZS-R1 is meant to share nearly the same transmission signals as recent GPS satellites, according to JAXA.

It is specially optimised for mountainous and urban regions in Japan, JAXA said.

Mitsubishi's H-2A 202 rocket launch system has been operational since 2003 and has sent satellites to locations such as Venus (Akatsuki) and Mars (Emirates Mars Mission).

The latest H2-A rocket launch is the first since November 29, 2020, when Japan launched an advanced relay satellite with laser communications tech into orbit, the report said. (IANS/JB)


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A visitor looks at statues of the 'Royal treasures of Abomey kingdom' on display at the Musee du quai Branly in Paris on Sept. 10, 2021, part of 26 artworks set to be restituted to Benin later in the year.

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