Electrical bioimpedance gastric motility measurement based on an electrical-mechanical composite mechanism

doi:10.3748/wjg.v18.i25.3282

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Jul 7, 2012; 18(25): 3282-3287
Published online Jul 7, 2012. doi: 10.3748/wjg.v18.i25.3282

Table 1 Impedance gastric motility measurement results in healthy controls and patients with functional dyspepsia and gastritis (mean ± SD)

Group	Case	PNF	PNP	FIC	PIC
Healthy	40	70.8 ± 25.5	59.3 ± 4.4	1.58 ± 0.48	0.18 ± 0.06
FD	28	28.3 ± 16.9^b	50.8 ± 9.9^b	2.08 ± 0.55^b	0.23 ± 0.05^b
Gastritis	30	36.1 ± 21.8^a	44.6 ± 4.8^a	2.23 ± 0.55^a	0.24 ± 0.05^a

^aP < 0.05,

^bP < 0.01 vs healthy group. FD: Functional dyspepsia patients; PNF: Percentage of normal frequency; PNP: Percentage of normal power; FIC: Frequency instability coefficient; PIC: Power instability coefficient.

Table 2 Electrogastrogram and impedance gastric motility parameters in 30 gastritis patients before treatment and 1 wk after treatment (mean ± SD)

Treatment	0-2 cpm PNP	2-4 cpm PNP	> 4 cpm PNP	FIC	PIC
EGG parameters
Before	24.0 ± 5.6	51.5 ± 11.1	24.4 ± 5.5	2.22 ± 0.43	0.34 ± 0.03
After 1 wk	22.7 ± 3.4	54.3 ± 6.7	23.1 ± 3.3	1.77 ± 0.19^a	0.23 ± 0.02^a
IGM parameters
Before	27.5 ± 2.4	44.6 ± 4.8	27.9 ± 2.4	2.23 ± 0.55	0.24 ± 0.05
After 1 wk	27.4 ± 2.2	44.9 ± 4.4	27.8 ± 2.2	1.91 ± 0.65	0.21 ± 0.06

^aP < 0.05 vs EGG before treatment. PNP: Percentage of normal power; FIC: Frequency instability coefficient; PIC: Power instability coefficient; IGM: Impedance gastric motility; EGG: Electrogastrogram.

Citation: Zhao S, Sha H, Li ZY, Ren CS. Electrical bioimpedance gastric motility measurement based on an electrical-mechanical composite mechanism. World J Gastroenterol 2012; 18(25): 3282-3287
URL: https://www.wjgnet.com/1007-9327/full/v18/i25/3282.htm
DOI: https://dx.doi.org/10.3748/wjg.v18.i25.3282