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Study shows robotic arm can be used to perform remote echocardiograms

August 28, 2024
in Technology and Engineering
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Study shows robotic arm can be used to perform remote echocardiograms
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London, United Kingdom – 28 August 2024: New research presented at this year’s ESC Congress 2024 in London, UK (30 Aug – 2 Sept) shows that performing echocardiograms remotely using a 5G cellular network has similar accuracy to those performed in person by cardiologists.  

London, United Kingdom – 28 August 2024: New research presented at this year’s ESC Congress 2024 in London, UK (30 Aug – 2 Sept) shows that performing echocardiograms remotely using a 5G cellular network has similar accuracy to those performed in person by cardiologists.  

“Comprehensive echocardiographic exam with a 5G cellular network and robotic arm-based remote system is feasible with relatively good diagnostic accuracy,” said study author Dr Yu Liu, Zhongshan Hospital, Shanghai, China.  

Echocardiography is the test-of-choice for the initial evaluation of many cardiac diseases and requires the expertise of a cardiologist for interpretation. However, this expertise is often limited or unavailable in rural or indeed smaller urban areas. Robotic arm-assisted remote echocardiograms have been attempted for teleconsultation in previous studies1, 2, but analysis was limited to heart failure patients, primarily due to the network delay in telecommunications and the subsequent inadequate control of the robotic arm equipment.   

In this study, the authors assessed the feasibility and diagnostic accuracy of a 5G cellular network and robotic arm-based remote echocardiographic system in an outpatient clinic based 20 kilometres away from Zhongshan Hospital. A total of 51 patients were enrolled from the outpatient cardiology clinic. All underwent standard comprehensive echocardiography on a 5G cellular network robotic arm-based remote echocardiographic system, as well as a conventional echocardiographic platform (at Zhongshan Hospital) successively.  

The order in which patients were examined on the remote and conventional instruments was randomly determined. There was no interval between the two examinations, and examinations of the same patient were performed by experienced but different cardiologists, who were blinded to each other’s diagnosis. The doctor who used the remote system was also randomly allocated and had not been previously specifically trained. The examinations were real time and diagnoses were made immediately after the examinations.  

From the 51 patients, the image quality was sufficient for diagnosis in 50 patients (24 (48%) female). A single patient was excluded because some key views could not be obtained using the remote system, meaning 98% of the examinations had been technically successful. 

Around one third (17 patients) had a heart problem identified using conventional in person echocardiography, including 10 with a primary diagnosis of valvulopathy (1 Barlow’s syndrome, 1 bicuspid aortic valve and 8 less-than-moderate regurgitation), 2 cardiac surgery follow-ups (1 case of aortic valve replacement and septal myectomy, and 1 case of mitral valve replacement and tricuspid annuloplasty), and 2 hypertrophy cardiomyopathy (including 1 case of obstruction at papillary muscle level), 2 with abnormal left ventricular wall motion (including 1 case of apical mural thrombus), and 1 with congenital heart disease (secumdum atrial septal defect).  

Echocardiograms using the robotic arm resulted in the same diagnosis as conventional in-person echocardiography in 98% of cases (papillary muscle level obstruction was missed in one case). 

Time for image acquisition using remote echocardiography was significantly longer (around 50% longer) than conventional (24 mins 36 secs vs. 16 mins 15 secs). 

A previous version of the robotic arm has been cleared for clinical use in scanning the abdomen (China, Europe, Australia and Singapore), which requires less complex scanning manoeuvres.  However, the authors say a multi-centre study at a larger scale with both other local hospital and referral centres involved should be carried out before this new technology should be used. 

Although 5G technology is not available everywhere, lead-author Xianhong Shu, also of Zhongshan Hospital, said: “This system would increase the accessibility of better medical resources as patients may travel less to get diagnosis and medical advice from cardiologists based in referral centres.” 

She adds there are further potential advantages: “A remote robotic echo system may help protect more health professionals from the risk of exposure during pandemics like the COVID-19 as the cardiologist may not need to be in close contact with the patient if only echocardiogram consultation is required.” 

 

ENDS 

Notes to editors 

Funding: Zhongshan Hospital Special Funds of Intelligent Medicine 

Disclosures: The authors declare no conflicts of interest   

 

References and notes 

The abstract ‘Initial experience with a 5G cellular network and robotic arm-based remote echocardiographic system in an all-comers setting’ will be presented at the session “Innovations in telemedicine, robotics, and digital solutions” which takes place Friday 30 August at Station 8 – Research Gateway. 

1. Boman K, Olofsson M, Berggren P, Sengupta PP and Narula J. Robot-assisted remote echocardiographic examination and teleconsultation: a randomized comparison of time to diagnosis with standard of care referral approach. JACC Cardiovasc Imaging. 2014;7:799-803. 

2. Boman K, Olofsson M, Forsberg J and Bostrom SA. Remote-controlled robotic arm for real-time echocardiography: the diagnostic future for patients in rural areas? Telemed J E Health. 2009;15:142-7. 

 

ESC Press Office 
Tel: +33 6 61 40 18 84  

Email: press@escardio.org 

The hashtag for ESC Congress 2024 is #ESCCongress 

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Journalists are invited to become accredited and register here. 

Check out the ESC Media and Embargo Policy. 

 

About ESC Congress 2024 

It is the world’s largest gathering of cardiovascular professionals, disseminating ground-breaking science both onsite in London and online – from 30 August to 2 September. Explore the scientific programme. More information is available from the ESC Press Office at press@escardio.org. 

About the European Society of Cardiology  

The European Society of Cardiology brings together health care professionals from more than 150 countries, working to advance cardiovascular medicine and help people lead longer, healthier lives. 



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