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Measuring Blood Pressure in Pregnancy Using Mercury and Automated Device (PRAM)

This study has been completed.
Information provided by:
St George Hospital, Australia Identifier:
First received: December 15, 2008
Last updated: NA
Last verified: December 2008
History: No changes posted
The aim of the PRAM study was to determine whether women diagnosed with hypertension in pregnancy, using the traditional mercury device, have the same pregnancy outcomes when blood pressure is measured by either an automated device or a mercury device throughout the pregnancy.

Condition Intervention
Hypertension Pregnancy Pre Eclampsia Device: Automated blood pressure recording device Omron HEM 705CP

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Single (Outcomes Assessor)
Primary Purpose: Diagnostic
Official Title: A Prospective Randomised Study of Automated Versus Mercury Blood Pressure Recordings in Pregnancy

Resource links provided by NLM:

Further study details as provided by St George Hospital, Australia:

Primary Outcome Measures:
  • The primary maternal outcome measure was the number of women having any episode of severe hypertension (BP ³ 170/110mmHg).

Secondary Outcome Measures:
  • Secondary end points included gestation at birth, caesarean section and induction of labour rates.

Enrollment: 220
Study Start Date: May 2000
Study Completion Date: September 2006
Primary Completion Date: September 2006 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
No Intervention: Mercury
All subsequent blood pressure recording done using mercury sphygmomanometry
Device: Automated blood pressure recording device Omron HEM 705CP
All subsequent blood pressure recordings done using the automated device


Ages Eligible for Study:   16 Years to 45 Years   (Child, Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • women with a diagnosis of hypertension in pregnancy

Exclusion Criteria:

  • non-pregnant and normotensive pregnancy women
  Contacts and Locations
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Please refer to this study by its identifier: NCT00809666

Australia, New South Wales
St George Hospital
Sydney, New South Wales, Australia, 2217
Sponsors and Collaborators
St George Hospital, Australia
  More Information

High blood pressure research Council of Australia. Position Statement on the replacement of mercury sphygmomanometers. September 2006.

Responsible Party: Professor Mark Brown, St George Hospital and UNSW Identifier: NCT00809666     History of Changes
Other Study ID Numbers: 00/41 Brown
Study First Received: December 15, 2008
Last Updated: December 15, 2008

Keywords provided by St George Hospital, Australia:
mercury sphygmomanometry
blood pressure
automated blood pressure
pre eclampsia
Hypertension in pregnancy

Additional relevant MeSH terms:
Vascular Diseases
Cardiovascular Diseases
Hypertension, Pregnancy-Induced
Pregnancy Complications processed this record on September 21, 2017