Transcutaneous Neuromodulation at Posterior Tibial Nerve and ST36 for Chronic Constipation

Table 1

Anorectal motility and sensation profiles before and after TN/sham-TN treatment.

	Baseline	After 2-week TN	After 2-week sham-TN
RAIR	41.43 ± 5.94	20 ± 4.36^*	34.29 ± 4.81^**
Anal rest pressure (mmHg)	69 ± 1.83	74.84 ± 7.42	75.93 ± 8.59
Maximal squeeze pressure (mmHg)	153.14 ± 24.42	170.56 ± 22.30	150.3 ± 12.20
Duration of anal contraction (s)	12.97 ± 0.42	12.63 ± 0.55	12.8 ± 0.59
First sensation (mL)	40 ± 7.56	24.29 ± 4.29^*	41.43 ± 7.05^**
Desire of defecation (mL)	75.71 ± 9.97	60 ± 9.26	85.71 ± 11.52
Urge of defecation (mL)	137.14 ± 17.42	114.29 ± 8.12	148.57 ± 12.99
Maximum tolerable volume (mL)	231.29 ± 19.12	180 ± 9.00^*	222.86 ± 17.00^**
Increase in rectal pressure (mmHg)	39.37 ± 7.01	33.94 ± 4.89	36.94 ± 7.41
Paradoxical contraction (%)	90.47 ± 9.53	67.86 ± 17.86	88.1 ± 7.89

< 0.05 versus baseline; < 0.05 versus sham-TN.