These views confirm that envisioning wearable technology being able to bring health improvements by itself is a misdirected expectation. In order to understand where it could really make an impact, its intended purpose should first be defined. An example could be, “a technology that can be integrated into or developed in the form of everyday wearable accessories to facilitate the collection or tracking of an individual’s health data continuously in his natural environment and independent from the intervention of healthcare professionals, for the purpose of decision-making towards a more targeted diagnosis and/or treatment of health or well-being conditions to produce the desired outcome”. This immediately brings to light the three pillars of wearable technology:

1. Tracking health data continuously and independently
2. Healthcare decision-making
3. Targeted diagnosis and/or treatment

One obvious and already successful application of wearable technology in continuous health data collection is in the fitness area. An elegant representation of this is one supplied by FitBit. Expanding this concept into diagnostics healthcare, QardioCore has introduced wearable ECG devices, and iHealth is fast getting a slew of wearable technologies approved as blood pressure monitors to sensor-wristbands measuring blood oxygen saturation and pulse rate. A potential huge application of wearable diagnostics is in epidemiology and clinical trials. According to a Johns Hopkins report, wearable devices would provide tremendous “opportunity for advancement in mass-scale epidemiological and clinical studies” that rely on data-dependent statistical analysis to unfold disease characteristics, treatment response, health-promoting benefits and risk factors.

Wearable technology is a potentially powerful research tool to gather a body of clinical knowledge. When combined with clinical expertise, it could enable more effective evidence-based decision-making in a patient care process based on an individual patient experience. Better visualisation of a patient’s treatment journey and therapy effects through continuous measurements brings greater patient-physician connectivity and better understanding of individual disease etiology and treatment needs as well as potentially reducing misdiagnosis. In further enhancing healthcare, the more clinical data brought by wearable technology the merrier it would be for healthcare product manufacturers to innovate safer, more effective therapies and interventions. Product development that leverages on healthcare intelligence allows utilisation of predictive analytics to filter out what works and what doesn’t. Such evidence-based strategies in product development could potentially provide shorter and clearer R&D routes as well as eliminate product failures in the market.

The third pillar of wearable healthcare technology takes the principles behind the first two pillars to elucidate a future of customised healthcare. Access to an individual’s continuous health data would mean that patients could be better placed in the suitable care environments and equipped with targeted resources to produce the desired outcome faster. Not only would this help with resource-conservation in healthcare facilities, but could potentially help to reduce hospital stays and cost. In supporting preventive medicine, wearable healthcare technology could stand at the forefront of national health screening and early diagnosis programmes that trigger prompt treatment processes for symptomatic disorders. Where individual symptoms can be correlated with pre-symptomatic signals, this would definitely give healthcare a resounding advantage in the race to fight diseases.

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