Telemedicine 'holds promise' for patients after major disaster

By Molly Merrill
09:45 AM

More effective use of information technology after a major disaster could significantly improve patient outcomes, according to a study by researchers at Weill Cornell Medical College and the University of California, Davis.

A control tower-style telemedicine hub that can manage electronic traffic between first responders and remote medical experts could boost the likelihood that critically-injured victims will get timely care and survive, according to the research team's computer simulation model.

"Since its introduction in the 1970s, telemedicine – the electronic linkage of healthcare providers and recipients – has held promise for improved disaster response outcomes," said the study's senior author, Nathaniel Hupert, associate professor of public health and medicine at Weill Cornell Medical College and co-director of the Cornell Institute for Disease and Disaster Preparedness. "As information technology becomes pervasive, we want to ensure that systems are in place to fully realize its potential for helping patients – particularly for emergency response."

The team's results, published in the Journal of Medical Systems, show that introducing telemedicine linkages between remote specialists and immediate responders in the aftermath of a widespread disaster such as an earthquake could decrease both patient waiting times and hospitalization rates at nearby hospitals, while increasing the likelihood that patients with life-threatening injuries receive appropriate care – as compared with standard emergency department-based triage and treatment.

"In this time of national crisis, it would have certainly been helpful for Japan to have a robust healthcare IT network in place," wrote Nrip Nihalani on his blog Wirelysis. Nihalani is CEO at Plus91, a healthcare IT firm in Pune, India.

"While Japan does have a healthcare IT strategy setup, with benefits and stimulus funds, it is relatively new and yet to mature," he noted. "Health data digitization and electronic record keeping is still in its infancy. Japan does not boast of large scale electronic medical record coverage."

"This should be taken as a wakeup call as well as a learning lesson by all nations which haven't yet devoted time and money to setting up Nationwide Health IT Infrastructures," Nihalani added.

[See also: Disaster in Japan causes spike in social media use.]

The study's findings demonstrate the power of interdisciplinary approaches to complex issues at the border between medicine, public health and logistics, said its lead author, Wei Xiong, assistant professor of public health at Weill Cornell Medical College. "We applied engineering methods more commonly used to analyze queuing systems like telephone call centers and road traffic planning to look at how to effectively manage this new type of emergency medical care."

"We know that when disasters strike, local hospitals, clinics and medical personnel can be completely overwhelmed," said co-author Aaron Bair, associate professor of emergency medicine and interim director of the UC Davis Center for Health and Technology. "We focused on testing how telemedicine can expedite response, enabling help to get to where it is needed in a relatively short timeframe. Our results show telemedicine improves emergency care at the disaster site – providing care for more patients sooner, reducing waiting times for treatment and permitting more efficient use of scarce medical resources."

[See also: ATA conference kicks off with global ambitions.]

According to the study's principal investigator, Christian Sandrock, an assistant professor of pulmonary and critical care medicine at UC Davis School of Medicine and a county public health officer in Northern California, high-speed telecommunications links would offer critical benefits for emergency teams when they are responding to a disaster.

"We think telemedicine can reduce mortality rates following a disaster by bolstering medical triage capabilities of emergency care providers," said Sandrock. "By helping disaster victims avoid the time it takes to be transported to a designated area for treatment, telemedicine can enable medical teams to actually spend more time caring for patients, so you save lives."

Telemedicine technology is already being tested in the emergency medicine setting. One system of "medical kiosks" in Australia makes use of webcam-equipped laptops, satellite terminals and telemedicine equipment – including ECG monitors and blood pressure equipment – to allow physicians to remotely assess patients and give medical advice. The current study focuses on how to manage the multiple data streams resulting from use of such technology in the setting of a mass-casualty disaster like an earthquake.

Additional co-authors of the study include Sophia Wang of Cayuga Partners in Ithaca, N.Y. and Javeed Siddiqui of UC Davis.

The study can be read here.

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