Abstract: The World Health Organisation stresses the importance of maintaining the cold chain for temperature sensitive vaccines. Due to the recommendation for rabies vaccines to be stored between 2° and 8° Celsius and the nature of canine mass vaccination projects, cold chain maintenance remains one of the most significant logistical hurdles project managers have to overcome.
Mission Rabies field teams in Malawi evaluated the use of adhesive temperature monitors as an alternative to thermometers in both storage fridges and field cooler boxes during the duration of a 4 week mass vaccination drive in April/May 2016.
Two different Timestrip® temperature monitors were used to alert the teams to the critical temperature thresholds of 0°C and 30°C. As freezing rapidly damages vaccines, each vaccine box containing 10 vials of 10ml vaccine was marked with a monitor that indicates the immediate crossing of the lower threshold through colour change. As damage from high temperatures is related to both the temperature achieved and the time of exposure, to test for the upper temperature limit each cooler box was equipped with a monitor that showed the crossing of the upper threshold over time.
Of a total of 22 vaccination teams participating in the study, 7 teams reported an exposure of the vaccines to temperatures above 30°C for more than 4 hours and on 9 occasions teams reported a temperature drop to 0°C or below.
These findings highlight the importance of monitoring the temperature during field campaigns, both due to proximity to ice packs and exposure to high outside temperatures. The use of Timestrip temperature indicators gives early visual clues and raises awareness among the team. However practicability of the temperature monitoring must be taken into consideration and adhesive monitors need to be improved with regards to their setup to make them a valuable tool in field projects.
This abstract was presented at the 28th Annual Rabies in The Americas Conference on 23 October 2017.
Authors: Frederic Lohr, Reuben Isbitsky, Andy Gibson, Alasdair King
adminMonitoring the Canine Vaccine Cold Chain in the Field
For users, the Timestrip® 24 month elapsed time indicator offers a convenient visual reminder of service maintenance schedules for household and industrial products.
Brands can integrate the indicators directly into consumable products. Customers can then be visually alerted that the products need to be discarded and replaced regularly.
Medical devices can be harmful if not routinely replaced. These long time indicators are perfect for visually reminding you how long they have been in service.
Simple activation, clear elapsed time indication
Timestrip® 24 month time indicators are single use and show the total amount of elapsed time since activation — up to 2 years.
Our elapsed time indicators are inert until activation. First, press the blister on the back of the indicator to activate. A red activation line appear in the front window. Next, the window will then fill with colour as time passes.
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Tenet Healthcare is a healthcare services company is using Blood Temp 10 temperature indicators to monitor blood transportation. PDC Healthcare surveyed the company on their experience with the indicators. The survey reported the blood bag temperature indicators helped them significantly improve blood transportation quality control and workflow efficiency.
The Blood Temp 10 indicators helped Tenet Healthcare comply with regulatory guidance by having auditable proof blood core temperature was maintained when being returned to the blood bank.
Riverside Health System is a healthcare non profit that is using Blood Temp 10 temperature indicators for blood temperature compliance. PDC Healthcare surveyed the organization on the efficacy of the indicators. Their survey reported the blood bag temperature indicators helped them significantly improve blood transportation quality control and workflow efficiency.
In turn, the real time temperature monitoring increased patient safety and quality of care was improved.
Read the full case study below:
Riverside Health System Blood Temperature Compliance Case Study
PDC Healthcare surveyed Decatur Memorial Hospital about the benefits of using Blood Temp 10 indicators. Their survey found the blood bag temperature indicators used to measure blood core temperature helped the hospital improve the quality of care and significantly improve blood transportation quality control to comply with the FDA regulatory guidelines.
Read the full case study below:
Decatur Memorial Hospital Blood transportation Case Study
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