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Visensia® – The Safety Index™ is a new piece of clinical information that can be helpful to physicians and other caregivers. It identifies crises earlier and enables clinical teams to detect subtle signs of deterioration in a patient’s condition earlier and intervene sooner before problems become life-threatening.

While warning times vary greatly from patient to patient and from hospital to hospital, in clinical trials the average warning time was over 6 hours before the MET would have otherwise been called.

This early and accurate lead time has been reported in real world hospitals to have numerous benefits:

Lower unexpected deaths by over 80%
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Trial sites have reported that the Visensia alerts provide much more lead time and accuracy than physician judgments, in part because the alert software is always on call and attentive and also because they can detect subtle changes in multiple variables which, when taken together, have high predictive value. 3

Reduce "code blue" (crash cart) events by over 35%
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A major patient, financial and staff benefit. This reduction not only saves the direct cost of a MET activation but also improves patient survival. Studies have shown that less than 15% of the patients surviving a code blue call will ultimately survive their hospital stay and be discharged. 4

Reduce length of hospital stay by half a day or more
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As Visensia software can analyse vital sign data to predict deterioration, it also has the ability to demonstrate in an objective way a patient's stability and has been used by some to support a transfer to a step-down unit, or to home, on a more timely and safe basis. This allows for a more efficient and economic flow of patients though critical care wards, freeing up infrastructure and cost. 4

Fewer unscheduled ICU transfers and bounce backs
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Visensia provides an objective numerical index allowing clinical teams to decide the optimal time to discharge patient onto the next stage of their hospital journey. 3

Much greater patient stability
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One study measuring critical care patients that met the criteria for calling the Medical Emergency Team (“MET”) found the percentage of patients requiring a MET intervention fell from 17% to 5% after installing and implementing a clinical protocol to use the VSI to manage patients. At the same time the total duration of instability per patient fell by 50% and the average episode of instability fell by 51%. 2

Reduce alarm fatigue
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With 95% of Visensia Alerts deemed “True Alerts” compared to 85% of single channel alarms. In some instances 80% of these single channel alarms were deemed clinically insignificant and thus frequently ignored. The Visensia alert is viewed by nurses as actionable, reliable and relevant and allows nurses to respond faster and in advance of predicted critical events. Visensia is an aid to clinical decision making and is not intended as a replacement for single channel alarms as referenced in the Intended Use Statement in the FDA 510k certification. 1

There are also a number of additional benefits demonstrated during evaluations of the Visensia Safety Index:

  • Improve patient triage – In the United Kingdom and elsewhere, Visensia is being evaluated to assist ambulances and emergency rooms to triage patients. It has been widely reported that in certain parts of the NHS, ambulances can queue up outside a hospital for 12 – 24 hours before the emergency room can accept the patient. During this time the emergency room does not have great visibility into the condition of the patient in the ambulance, and there is growing interest in using the VSI to assess or “triage” those patients quickly in order to prioritise cases, reduce waiting times and improve efficiencies.
  • Allocate scarce nursing resources – The patient severity reflected in the VSI can guide nursing managers to reallocate staff from wards with few elevated VSI scores to those with a larger number. Today there is no other FDA cleared tool which permits this type of management and prospective customers, particularly in the US, are very interested in this aspect of the Visensia system.
  • Lower hospital liability insurance premiums – In conjunction with an international hospital liability insurance carrier – Beazley Plc based in London – the Company has been authorized to discuss decreasing hospital liability insurance for institutions using Visensia Safety Index to manage seriously ill patients. After a presentation of the Company’s clinical trial data, OBS has been able to negotiate an arrangement to reduce liability premiums for hospitals using the Visensia Safety Index by up to 10%.
  • Improve Joint Commission scores regarding alarm management – JC has required hospitals to develop and implement alarm fatigue management strategies. As Visensia typically alerts before key vital signs alarms, Visensia can play a major role in helping achieve the JC recommendations.

Note: It is important to remember that VSI performance will be different in each hospital. Each of the claims above needs to be viewed as an attempt to quantify the size of a shift in hospital economics/practices, but the direction of the shift is the most important part of the claim. Improvements in each hospital will depend on multiple variables that are very hospital-dependent including, but not limited to, monitoring and workflow processes before VSI installations, the severity of patients being treated and the modifications made by the hospital to respond to the VSI.

1. Tarassenko L, Hann A, Young D. Integrated monitoring and analysis for early warning of patient deterioration. British Journal of Anaesthesia. 2006; 97: 64-68
2. Hravnak M, Edwards L, Clontz A, Valenta C, DeVita M, Pinsky M. Defining the incidence of cardio-respiratory instability in step-down unit patients using an electronic integrated monitoring system. Archives of Internal Medicine. 2008; Vol 168 (12) 1300-8
3. Hravnak M, Edwards L, Clontz A, Valenta C, DeVita M, Pinsky M. Impact of an electronic integrated monitoring system upon the incidence and duration of patient instability on a step down unit. Abstract from poster presented at 4th International Symposium on Rapid Response Systems and Medical Emergency Teams 2008.
4. St Joseph Mercy – Oakland (SJMO) Press Release July 28th 2014. Records on file at OBS Medical.