the implement of abi/tbi measurement system based on zigbee technique (part 2) presenter: ying-tsung...

The implement of ABI/TBI The implement of ABI/TBI measurement system based on measurement system based on

Zigbee technique (PART 2)Zigbee technique (PART 2)

Presenter: Ying-Tsung ShiauPresenter: Ying-Tsung Shiau

Adviser: Dr. Pei-Jarn ChenAdviser: Dr. Pei-Jarn Chen

Date: 2010/11/03Date: 2010/11/03112/04/21112/04/21 11

應用應用 ZigbeeZigbee 技術於技術於 ABI/TBIABI/TBI 血壓量測系統之製作血壓量測系統之製作

OutlineOutline

IntroductionIntroduction PurposePurpose Papers ReviewPapers Review Materials and methodsMaterials and methods Preliminary ResultsPreliminary Results ConclusionConclusion Future worksFuture works ReferenceReference

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Papers Review(1/3)Papers Review(1/3)

““Prevalence and Risk Factors of PAD among Prevalence and Risk Factors of PAD among Patients with Elevated ABI”, Eur J Vasc Patients with Elevated ABI”, Eur J Vasc Endovasc SurgEndovasc Surg ABI and TBI were measured using ABI and TBI were measured using the the

Nicolet Vaso-GuardNicolet Vaso-Guard Offers fast, accurate peripheralOffers fast, accurate peripheral vascular vascular

diseasedisease localizationlocalization

Nicolet Vaso-GuardNicolet Vaso-Guard

112/04/21112/04/21 33http://www.iclinics.cl/PDF/M80916%20VasoGuard%20spec%20fnl.pdf


As a rule, values obtained from single ABI As a rule, values obtained from single ABI or TBI measurements of good quality or TBI measurements of good quality were used. were used.

ABI ≦ 0.9 was considered lowABI ≦ 0.9 was considered low ABI > 0.9 or < 1.3 normal ABI > 0.9 or < 1.3 normal ABI ≧ 1.3 falsely elevated ABI ≧ 1.3 falsely elevated Patients with an ABI ≦ 0.9 and/or TBI < Patients with an ABI ≦ 0.9 and/or TBI <

0.60 in either leg were regarded as 0.60 in either leg were regarded as presenting with PADpresenting with PAD

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The distribution of ABI categories The distribution of ABI categories according to age (ABI threshold levels 1.3, according to age (ABI threshold levels 1.3, 1.4, 1.5)1.4, 1.5)

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Papers Review(2/3)Papers Review(2/3) ““Accuracy of ankle-brachial index using an Accuracy of ankle-brachial index using an

automatic blood pressure device to detect automatic blood pressure device to detect peripheral artery disease in preventive peripheral artery disease in preventive medicine”medicine” Correlations and agreements between Doppler and Correlations and agreements between Doppler and

automatic methodsautomatic methods

HEM-711ACHEM-711AC http://www.kappamedical.com/omron_automatic_b_p_.htmhttp://www.kappamedical.com/omron_automatic_b_p_.htm112/04/21112/04/21 66

Papers Review(2/3)Papers Review(2/3) Automatic and Doppler ABI of clinical relevance

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Papers Review(3/3)Papers Review(3/3) ““Prevalence of Symptomatic and Prevalence of Symptomatic and

Asymptomatic Peripheral Arterial Disease Asymptomatic Peripheral Arterial Disease and the Value of the Ankle-brachial Index and the Value of the Ankle-brachial Index to Stratify Cardiovascular Risk”to Stratify Cardiovascular Risk”

Ankle-brachial index (ABI) is a simple, Ankle-brachial index (ABI) is a simple, inexpensive, and non-invasive PAD inexpensive, and non-invasive PAD measurementmeasurement

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Rechargeable doppler detector Using up to four

interchangeable probes Clear LCD readout shows fetal

heart rate/vascular pulse rate Vascular Probes

5 MHz (general/deeper arteries & veins) 8 MHz (peripheral/superficial vessels)(SONICAID 421, Oxford Instruments)

Doppler device of ABI measurement

http://www.mes-usa.com/product.php?lang=1&manf=27&prod=15

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Normal range of ABI: 0.9-1.39

Abnormal range of ABI: ABI < 0.9 ABI > 1.39

ABI: 踝臂指數112/04/21112/04/21 1010

Papers Review(3/3)Papers Review(3/3) The table shows prevalence of ABI < 0.9 The table shows prevalence of ABI < 0.9

with symptomatic PAD by sex and age with symptomatic PAD by sex and age groupsgroups

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ReferenceReference

[1]WILLIAM R. HIATT, M.D., “Medical Treatment Of Peripheral [1]WILLIAM R. HIATT, M.D., “Medical Treatment Of Peripheral Arterual Disease And Claudication“,Arterual Disease And Claudication“, N Engl J Med N Engl J Med, Vol. 344, No. , Vol. 344, No. 21 May 24, 200121 May 24, 2001

[2] “Prevalence of Symptomatic and Asymptomatic Peripheral [2] “Prevalence of Symptomatic and Asymptomatic Peripheral Arterial Disease and the Value of the Ankle-brachial Index to Arterial Disease and the Value of the Ankle-brachial Index to Stratify Cardiovascular Risk“,Stratify Cardiovascular Risk“, European Journal of Vascular and European Journal of Vascular and Endovascular SurgeryEndovascular Surgery, Volume 38, Issue 3, Pages 305-311, , Volume 38, Issue 3, Pages 305-311, September 2009 September 2009

[3] “Accuracy of ankle-brachial index using an automatic blood [3] “Accuracy of ankle-brachial index using an automatic blood pressure device to detect peripheral artery disease in preventive pressure device to detect peripheral artery disease in preventive medicine”, medicine”, Archives of Cardiovascular DiseasesArchives of Cardiovascular Diseases, Volume 102, , Volume 102, Issues 6-7, Pages 519-524, June-July 2009Issues 6-7, Pages 519-524, June-July 2009

http://www.dehinc.com/index.cfm?http://www.dehinc.com/index.cfm?fuseaction=productdetail&productid=52fuseaction=productdetail&productid=52

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Thank you for your attentionThank you for your attention

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the implement of abi/tbi measurement system based on zigbee technique (part 2) presenter: ying-tsung...

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