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Founding Sponsor

Click here to go to the dabl Disease Management Systems website
dabl Ltd providers 24 hour ABPM interpretation software that links to a range of validated devices.

Welcome to dabl®Educational Trust Aims & Objectives Background Contact dabl®Educational Trust

Aims & Objectives of dableducational.org

There is a large market for blood pressure measuring devices, not only in clinical medicine, but also with the public where the demand for self-measurement of blood pressure is growing rapidly. For the consumer, whether medical or lay, device accuracy should be of prime importance in selecting a blood pressure measuring device. However, the majority of devices available have not been evaluated independently for accuracy and the consumer often does not have the expertise or information to make a fully informed decision as to which device to purchase.

Blood pressure measuring devices have been assessed in the literature from time to time, but such surveys have the disadvantage of being obtainable only by journal subscribers, and the information soon becomes out-dated in that this forum cannot keep pace with the availability of new devices and new device models. Some websites provide information on blood pressure measuring devices but this is only part of a larger remit and none is devoted entirely to blood pressure measurement. It is generally recognised that it is extremely difficult for doctors and others wishing to purchase blood pressure measuring devices to obtain up-to-date information on the validation status and accuracy of these devices.

Device manufacturers complain about the long and costly time lag between validation of a device and the subsequent publication, which gives it the credibility in the marketplace. The ethos of this endeavour is that by making evidence-based information available on the Internet to medical practitioners, consumers, such as patients, hospitals and doctors, and to the device manufacturing industry, blood pressure measurement will become more accurate, thereby benefiting patients with hypertension.

Pre-conditions for a website

The following pre-conditions were decided before sponsorship for the dabl® Educational Trust website was sought:

  • The website will be a not for profit educational organisation; for this purpose the dabl® Educational Trust Limited was established.
  • The mission of the website is to improve blood pressure measurement and thereby benefit the management of patients with hypertension.
  • The website will be staffed by personnel with expertise and training in blood pressure measurement and device validation.
  • The website will be independent of the manufacturing industry and other sources of potential conflict of interest.
  • The dabl® Educational Trust will constitute an Advisory Board consisting of international experts in blood pressure measurement.

Website objectives

The dabl® Educational Trust website will have the following objectives:

  • To provide consumers, medical and lay, with the latest information on the accuracy and performance of blood pressure measuring devices used in clinical medicine and for self blood pressure measurement free of charge
  • To evaluate the validation procedures performed on blood pressure measuring devices, the use of an accepted protocol, adherence to that protocol and the interpretation of the results with respect to the criteria set out in that protocol
  • To provide an overview and library of published literature relating to accepted validation protocols
  • To provide a library of published literature relating to device validation in general and the published evidence of validation for specific blood pressure measuring devices
  • To establish links with consumer organizations, manufacturers of blood pressure measuring devices, international standards institutions and international hypertension and cardiovascular societies with an interest in blood pressure measurement
  • To explore innovative means to improve blood pressure measurement
  • To explore means to facilitate the speedy announcement of validation results and consumer information on blood pressure measuring devices.

Structure of website

The website has been structured to balance the requirements of both the lay and medical target audiences. The home page specifically is developed with the lay audience in mind where news items summarise in clear language the latest developments in blood pressure measurement. This approach is also useful to medical personnel new to the advances in this area. The classification section has a mixed readership in mind, providing more detail but it is summarised in straightforward terms. The remaining pages are intended more for medical/research personnel and the material is more technical.

Home page: This page will be updated quarterly to provide news items on new devices, new developments in measurement and validation, links to new articles and other items of interest.

Background: This page outlines the background to the establishment of the website together with its objectives. It is emphasised that the diagnosis, management, treatment, epidemiology and research of hypertension is dependent on accurate measurement of blood pressure, and that if blood pressure measurement is inaccurate, it follows that incorrect decisions will be made. The different methods of blood pressure measurement are outlined: traditional blood pressure measurement, ambulatory blood pressure measurement, and self blood pressure measurement are explained.

Protocols: The protocols of the Association for the Advancement of Medical Instrumentation (AAMI), the British Hypertension Society (BHS) and the International Protocol of the European Society of Hypertension are outlined on this page. The criteria used, on the website, for assessing validation studies are stated; on the basis of these criteria devices may be designated as 'Recommended', 'Not recommended' or as being of 'Questionable recommendation'.

Sphygmomanometers: This page provides a validation summary, with the publication reference, of all blood pressure measuring devices for which there are published validation data. Due to the large number of these devices and different areas of interest, they are classified as shown.

SPHYGMOMANOMETERS FOR CLINICAL USE
      Manual Devices
           Mercury sphygmomanometers
           Aneroid sphygmomanometers
           Non-mercury manual sphygmomanometers
      Automated Devices for Clinical Use
      Finger Devices for Clinical Measurement of Blood Pressure
SPHYGMOMANOMETERS FOR SELF-MEASUREMENT OF BLOOD PRESSURE (SBPM)
      Upper Arm Devices for Self Measurement of Blood Pressure
      Wrist Devices for Self Measurement of Blood Pressure
      Devices for Measuring Blood Pressure in the Community
SPHYGMOMANOMETERS FOR AMBULATORY BLOOD PRESSURE MEASUREMENT (ABPM)
      Devices for ABPM
      Devices for Continuous non-invasive ABPM

Library references: This section of the website contains over 300 references and it is hoped in time that many of these will be available as pdf files. A section on papers relating to specific devices contains subheadings, in alphabetical order, of all of the devices listed in the classification page with references to any papers pertaining to the respective devices. There are also sections referencing papers on Replacing mercury sphygmomanometers, Validation protocols, Validation studies, Methodology of validation protocols, Recommendations of standards bodies, Recommendations of International and National Societies of Hypertension, State of the market, History of blood pressure measurement, Computer software and General interest.

Directory: Links have been established with international societies of hypertension and cardiology, with national standards bodies, consumers associations and manufacturers and distributors of blood pressure measuring devices. We intend that, in the best traditions of the internet, that this section will expand with mutual links to and from a comprehensive number of these organisations.

©Copyright dabl®Educational Trust Ltd 2015. All rights reserved. Please read Disclaimer before using this website.

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