Brazilian Journal of Pathology and Laboratory Medicine

Blockchain Technology for Secure Management of Patient Data in Pathology Labs

Isidro Navarro del Valle
Universidad de Salamanca, Spain

ABSTRACT

This research identifies a system that uses blockchain technology in healthcare. This technology enables patients to access their medical records at any time and from any location. Furthermore, patients' health records are uploaded to the blockchain in secret. When a patient consults with a healthcare professional, the authorized entity filters the patient's medical report to remove sensitive information. The research employed primary data analysis to determine the usage of Smart PLS software. The filtered medical data is then saved in an off-chain database, while the data's address gets uploaded to the blockchain along with the patient's pseudo-random identifier. As a result, each patient is assigned many pseudo-random identities. In contrast to previous research, when patients' identities/reports may be connected, the proposed technique does not allow for such a connection. The total analysis indicated a direct and significant correlation between blockchain technology and security management. When a pandemic strikes (such as COVID-19), the proposed technology could be used to broadcast people's health status to certain organizations. During the COVID-19 pandemic, patients must provide documentation of their immunization series before flying overseas or nationally or participating in specific social activities.

Keywords: Block Chain Technology (BCT), Secure Management (SM), Patient Data (PD), Pathology Labs (PL).

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