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How   to   cite   this   Article:    Jonas   LaPier,   Megan   Chatellier.   CAN   LOW   COST   FINGERTIP   PULSE   OXIMETERS   BE   USED   TO   MEASURE   OXYGEN SATURATION AND HEART RATE DURING WALKING?.  Int J Physiother Res 2016;4(5):1689-1695. DOI: 10.16965/ijpr.2016.166.
Type of Article: Original Research DOI: http://dx.doi.org/10.16965/ijpr.2016.166 Page No.:  1689-1695
CAN LOW COST FINGERTIP PULSE OXIMETERS BE USED TO MEASURE OXYGEN SATURATION AND HEART RATE DURING WALKING? Jonas LaPier 1 , Megan Chatellier * 2 . 1  Research Assistant, Physical Therapy Department, Eastern Washington University, Spokane, WA, USA. *2 Assistant Professor, Physical Therapy Department, Eastern Washington University, Spokane, WA, USA. Corresponding   Author:   Dr.    Megan   Chatellier,   Eastern   Washington   University   PT   Dept.,   310   N   Riverpoint   Blvd,   Box   T,   Spokane,   WA   99202, USA. Phone: (509) 828-1372, Fax: (509) 828-1389 E-Mail:  functionaloutcomespt@gmail.com ABSTRACT Background:   Measurement   of   oxygen   saturation   (SpO2)   during   activity   and   exercise   is   important   for   clinical   treatment   and   prognostic decision-making,   but   oximeter   error   can   be   problematic.   New   generation   fingertip   pulse   oximeters   are   readily   available   and   inexpensive;     therefore,   their   potential   clinical   applications   are   rapidly   expanding.      While   the   performance   of   new   generation   tabletop   and   handheld pulse oximeters has been evaluated, little information is available on the accuracy of fingertip pulse oximeters, especially during activity. Purpose:    The   objective   of   this   study   was   to   determine   if   new   generation   low   cost   fingertip   pulse   oximeters   provide   accurate   and consistent measurements of oxygen saturation (SpO2) and heart rate (HR) during walking. Materials   and   Methods:   Nine   different   fingertip   oximeter   models   were   evaluated   during   treadmill   walking   at   one   and   two   mph   in   healthy subjects   (n   =   32).   Oximeter   readings   from   both   hands   were   simultaneously   recorded   and   a   15   second   electrocardiogram   (ECG)   strip   was printed.   Paired   t-tests   were   used   to   determine   differences   in   SpO2   measurements   between   oximeter   pairs.      An   ANOVA   was   used   to determine differences in HR measurements among oximeter pairs and ECG. Error rates were also calculated. Results:   A   significant   difference   in   SpO2   values   was   identified   between   oximeter   pairs   for   two   models   when   subjects   walked   at   one   mph. Additionally,   a   significant   difference   in   HR   values   existed   between   oximeter   pairs   and   the   ECG   for   two   models   when   subjects   walked   at   one mph.      No   differences   were   found   in   SpO2   or   HR   measurements   when   subjects   walked   at   two   mph.   Oximeter   performance   was   better when   measuring   SpO2   than   HR.   Also,   in   this   study   pulse   oximeters   performed   better   when   subjects   walked   at   higher   versus   lower   exercise intensities. Conclusions:   The   results   of   this   study   suggest   that   accuracy   and   consistency   of   fingertip   oximeter   measurements   are   less   than   ideal   during treadmill walking.  Clinicians should use caution when interpreting HR values obtained with fingertip pulse oximeters during exercise. KEY WORDS: Pulse oximeter, oximetry, oxygen saturation, heart rate, exercise, exercise-induced desaturation. References 1 . 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International Journal of Physiotherapy and Research ISSN (O): 2321-1822  ISSN (P): 2321-8975 Volume 4 |Issue 5 |  2016 Date of Publication:  11 October 2016 http://ijmhr.org/ijpr.html editor_physiotherapy@hotmail.com HOME ABOUT US EDITORIAL BOARD AUTHOR GUIDELINES SPECIAL SERVICES CONTACT US