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A&D TM-2420
Device Model:
TM-2420
Manufacturer:
A&D Company Ltd., 3-23-14 Higashi-Ikebukuro, Toshima-Ku, 170-0013 Tokyo, JAPAN.
Measuring functions:
Blood pressure
Primary Client Use:
Intended for ambulatory blood pressure monitoring
Measurement Site:
Upper Arm
Measurement Occurrence:
Intermittent measurements at specified intervals or times
Availability:
Obsolete
Description:
The A&D TM-2420 is an ambulatory 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 ambulatory blood pressure monitoring. This device is now obsolete.
Assessment:
The technology used in the A&D TM-2420, to measure blood pressure, has passed in three clinical validation studies, in general populations, according to recognised standard protocols, as published in peer-reviewed publications. It has also been assessed, in a specific population, according to a non-standard protocol.
Recommendations:
Accuracy AssessmentRecommendationBasis
BP Medaval ★ Recommendation Older clinical validation; older protocol; multiple clinical validations
BP Stride BP ABPM for adults (Unavailable) Published evidence
Validation Publications:

Russell AE, Tonkin AL, Wing LM, Hassam RM, McRitchie RJ, Aylward PE, Minson RB, Bune AJ, West MJ, Chalmers JP. Accuracy of the Takeda TM-2420 ambulatory blood pressure monitor. Clin Exp Pharmacol Physiol. 1989 Apr;16(4):253-6. PMID: 2743618.

Ad Hoc protocol General population

Jamieson MJ, Fowler G, MacDonald TM, Webster J, Witte K, Lawson L, Crichton W, Jeffers TA, Petrie JC. Bench and ambulatory field evaluation of the A & D TM-2420 automated sphygmomanometer. J Hypertens. 1990 Jul;8(7):599-605. PMID: 2168450.

SP10:1987 General population (Note: Mixed pass and fail)

Clark S, Fowlie S, Coats A, Radaelli A, van der Putt M, Bird R, Conway J. Ambulatory blood pressure monitoring: validation of the accuracy and reliability of the TM-2420 according to the AAMI recommendations. J Hum Hypertens. 1991 Apr;5(2):77-82. PMID: 2072370.

SP10:1987 - Pass General population (Note: Hawksley Random-Zero as reference)

Clark S, Hofmeyr GJ, Coats AJ, Redman CW. Ambulatory blood pressure monitoring during pregnancy: validation of the TM-2420 monitor. Obstet Gynecol. 1991 Jan;77(1):152-5. PMID: 1984216.

Ad Hoc protocol Pregnancy (n=30)

Eidemak I, Høegholm A, Kristensen KS, Madsen NH, Nielsen HS. Nyt ambulant ikke-invasivt døgnblodtryksmonitoreringssystem Takeda Medical TM 2420 : pålidelighed og praktiske erfaringer [The new ambulatory non-invasive 24-hour blood pressure monitoring system, Takeda Medical TM 2420. Reliability and practical experiences.] Ugeskr Laeger. 1991 Jan 28;153(5):335-8. PMID: 1994554. In Danish.

Ad Hoc protocol (n=69) (Note: Hawksley Random-Zero as reference)

Conway J. Bench and ambulatory field evaluation of the A & D TM-2420 automated sphygmomanometer. J Hypertens. 1991 Jun;9(6):577-8. PMID: 1653301.

Unknown protocol General population

White WB, Pickering TG, Morganroth J, James GD, McCabe EJ, Moucha O, Hunter H. A multicenter evaluation of the A&D TM-2420 ambulatory blood pressure recorder. Am J Hypertens. 1991 Nov;4(11):890-6. PMID: 1789952.

Ad Hoc protocol General population

O'Brien E, Mee F, Atkins N, O'Malley K. Accuracy of the Takeda TM-2420/TM-2020 determined by the British Hypertension Society Protocol. J Hypertens. 1991;9(Suppl 5):S17-S23. PMID: 1653298.

BHS:1990 - Fail (D/D) General population

Høegholm A, Eidemak I, Kristensen KS, Bang LE, Madsen NH. Clinical evaluation of the Takeda Medical (A & D) TM 2420 ambulatory blood pressure monitor. Practical experience and comparison with direct and indirect measurements. Scand J Clin Lab Invest. 1992 Jun;52(4):261-8. PMID: 1439512.

SP10:1987 - Pass General population (Note: Hawksley Random-Zero as reference)

IA protocol General population

Clark S, Fowlie S, Pannarale G, Bebb G, Coats A. Age and blood pressure measurement: experience with the TM2420 ambulatory blood pressure monitor and elderly people. Age Ageing. 1992 Nov;21(6):398-403. PMID: 1471576.

Ad Hoc protocol Elderly (Note: Reference device was Hawksley random zero. Protocol not stated in abstract. Both V5 and V7 of the device used in the study.)

Kelly JJ, Hunyor SN, Ho KY. Evaluation of the reproducibility and accuracy of ambulatory blood pressure monitoring using the Takeda TM-2420 automated blood pressure monitor. Clin Exp Hypertens. 1993 Mar;15(2):271-87. PMID: 8467317.

Ad Hoc protocol General population

Johnson AG, Nuygen TV, Day RO. Evaluation of the accuracy and reproducibility of ambulatory blood pressure monitoring in the very elderly using the Takeda TM-2420. J Hum Hypertens. 1994 Jun;8(6):433-9. PMID: 8089828.

Ad Hoc protocol Elderly

O'Brien E, Atkins N. Evaluation of the accuracy and reproducibility of the Takeda TM-2420 in the elderly. J Hum Hypertens. 1995 Mar;9(3):205. PMID: 7783103.

Unknown protocol Elderly

Johnson AG, Nguyen TV, Day RO. Evaluation of the Takeda TM-2420 in the elderly. J Hum Hypertens. 1996 Jan;10(1):61. PMID: 8642193.

Unknown protocol Elderly

Relevant Publications:

O'Brien E, Mee F, Atkins N, O'Malley K. Accuracy of the SpaceLabs 90207, Novacor DIASYS 200, Del Mar Avionics Pressurometer IV and Takeda TM-2420 ambulatory systems according to British and American criteria. J Hypertens. 1991 Dec;9(Suppl 6):S332-3. PMID: 1818987.

This is a supplementary presentation of validation results for the A&D TM-2420.

See: O'Brien E et al. 1991

O'Brien E, Mee F, Atkins N, O'Malley K. Short Report: Accuracy of the Takeda TM-2420/TM-2020 determined by the British Hypertension Society Protocol. J Hypertens. 1991 Jun;9(6):571-2. (Details from: journals.lww.com).

This is a supplementary presentation of validation results for the A&D TM-2420.

See: O'Brien E et al. 1991

O'Brien E, Atkins N, Mee F, O'Malley K. Comparative accuracy of six ambulatory devices according to blood pressure levels. J Hypertens. 1993 Jun;11(6):673-5. PMID: 8397247.

This is a supplementary presentation of validation results for the A&D TM-2420.

See: O'Brien E et al. 1991

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