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Microlife BP 3AS1-2 (BP 3AS1-2R)
Device Name:
BP 3AS1-2
Device Model:
BP 3AS1-2R
Manufacturer:
Microlife Corporation, 9F - 431 RuiGuang Road, NeiHu, Taipei 11492, TAIWAN ROC.
Measuring functions:
Blood pressure
Primary Client Use:
Intended for self-measurement and home use
Measurement Site:
Upper Arm
Measurement Occurrence:
Single measurements only
Availability:
Discontinued but still available
Device Manual:
Description:
The Microlife BP 3AS1-2 (BP 3AS1-2R) is a palm-style semi-automatic blood pressure monitor. Its blood pressure measurement technology has been proven to be accurate, with a 1-star Medaval rating. Blood pressure measurements are taken from the upper arm. It is intended for self-measurement and home use. This device has been discontinued by the manufacturer but may be available through certain outlets.
Assessment:
The technology used in the Microlife BP 3AS1-2 (BP 3AS1-2R), to measure blood pressure, has passed in three clinical validation studies, between general and pregnancy populations, according to recognised standard protocols, as published in peer-reviewed publications.
Recommendations:
Accuracy AssessmentRecommendationBasis
BP Medaval Recommendation Older clinical validation; older protocol; multiple clinical validations
BP BIHS (UK and IRL) Professional use for pregnancy Published evidence
BP ESH (Europe) Self-measurement and professional use for adults and pregnancy Published evidence
BP Stride BP Office use for adults and pregnancy (Unavailable) (Preferred) Published evidence
BP MDR Criteria Pregnancy Published evidence
Device Family:
Microlife BP 3AS1-2 (BP 3AS1-2R)P, Microlife Cradle VSA (BP 3GP1-1L)P
Legend: P Stride Equivalence
Validation Publications:

de Greeff A, Nathan H, Stafford N, Liu B, Shennan AH. Development of an accurate oscillometric blood pressure device for low resource settings. Blood Press Monit. 2008 Dec;13(6):342-8. doi: 10.1097/MBP.0b013e32830fd07c. PMID: 19020425.

ESH-IP:2002 - Pass General population

Nathan HL, de Greeff A, Hezelgrave NL, Chappell LC, Shennan AH. An accurate semiautomated oscillometric blood pressure device for use in pregnancy (including pre-eclampsia) in a low-income and middle-income country population: the Microlife 3AS1-2. Blood Press Monit. 2015 Feb;20(1):52-5. doi: 10.1097/MBP.0000000000000086. PMID: 25243711.

BHS:1993 - Pass (B/A) Pregnancy and pre-eclampsia (n=45)

81060-2:2013 - Pass Pregnancy and pre-eclampsia (n=45)

Nathan HL, de Greeff A, Hezelgrave NL, Chappell LC, Shennan AH. Accuracy validation of the Microlife 3AS1-2 blood pressure device in a pregnant population with low blood pressure. Blood Press Monit. 2015 Oct;20(5):299-302. Epub: 2015 May 5. doi: 10.1097/MBP.0000000000000134. PMID: 26020367.

BHS:1993 - Pass (A/A) Low BP pregnancy (n=30)

81060-2:2013 - Pass Low BP pregnancy (n=30)