HOW DOES REMOTE PATIENT MONITORING WORK?

REMOTE PATIENT MONITORING

**Remote patient monitoring** (RPM) can be used to enable monitoring of patients in their home, which increases their access to care and decrease healthcare costs.

DATA-DRIVEN DECISIONS

RPM devices, such as scales, pulse oximeters, and blood pressure cuffs, can be connected to patients’ tablets or smartphones via Bluetooth. Wi-Fi is normally used to transmit readings back to the hospital for doctor review.

CALL CENTERS

Nurses who are working within the medical facility's call center can immediately contact the patient as metrics are reported from the patients RPM devices in real time. This approach can also help patients avoid re-hospitalization by providing proper care as a preventive measure and as it is needed.

Medical Compliance

Medical compliance happens in real time. For example, there are tools to help track the vital signs of organ transplant recipients after surgery once they are released from the hospital or patients can wear a patch that detects when they take their medications while giving notifications as needed.

RPM has helped reduce hospital admissions by 38%

Patient satisfaction has increased 25% due to RPM.

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SECURING CONNECTED MEDICAL DEVICES

MEDICAL DEVICES

These kinds of innovations face new and diverse threats not previously in existence. As soon as a medical device is connected in some way, either wirelessly or wired, using a persistent connection or one that is transient, either one-directional or bi-directional, the medical device becomes much easier to disrupt, and the potential disruption much more severe.

The use of connectivity in healthcare devices to collect and disseminate real-time data for faster, more accurate analysis, or tailored treatment has certainly created a significant opportunity for medical professionals to improve diagnoses and treatment, and for healthcare providers to reduce operating costs and enable remote monitoring.

However, these devices also bring significant risks if security is not managed properly. These no only include risks to sensitive patient data, but to the patient themselves. When developing a device, or assessing the risks associated with using a device medical professionals and health IT departments there are criteria that should be considered.

CRITERIA THAT SHOULD BE CONSIDERED:

To protect patient privacy, tokenization of patient identity should be used in data stores where feasible.
End-to-end encrypted data communications should be used to preserve confidentiality for communications that cross the Internet, although where possible patient data should not cross the internet.
Digital signatures should be used to preserve integrity. Highly-sensitive data such as firmware should only be accepted from authenticated end-points.
Where possible, Denial of Service attacks should be mitigated by only accepting connection attempts from trusted network zones or specific IP addresses; where this is not possible, connection attempts should be rate limited.
Where data flows in both directions, the security context should be mutually authenticated and cryptographic mechanisms including encryption and signature verification should be bidirectional.
System integrators must check that devices using encryption support compatible cipher suites which are sufficiently strong for the lifetime of the product or device.
To minimize the attack surfaces, unneeded platform services should be turned off.
Security controls should be enabled and only lenient when there is a sufficiently low risk to do.

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