Effect of muscarinic blocker on enhancing the action of fructus aurantii immaturus on intestinal myoelectric activity in dogs

Table 1 Comparison of the duration of each phase and the general cycle before and after administration of drugs (¯x ± s)

	No.	Migrating Myoelectric Complex				General cycle
		Phase I	Phase II	Phase III	Phase IV
Control	13	31.92 ± 17.21	53.46 ± 28.90	5.38 ± 1.85	11.38 ± 10.80	104.85 ± 12.85
FAI + atropine	13	26.85 ± 18.22	102.23 ± 51.41b	4.38 ± 2.02	9.00 ± 9.18	148.38 ± 45.87b

^bP < 0.01 compared with control group. FAI: Fructus aurantii immaturus.

Table 2 Comparison of the number of spikes per cluster before and after administration of drugs (number/cluster, min, ¯x ± s)

	No.	Migrating Myoelectric Complex				General cycle
		Phase I	Phase II	Phase III	Phase IV
Control	13		3.55 ± 2.23	4.55 ± 2.40	4.55 ± 2.40	4.14 ± 2.10
FAI+atropine	13	Some cycles had no spike	2.45 ± 1.18b	4.66 ± 2.11b	3.92 ± 2.46	2.79 ± 1.21b

^bP < 0.01 compared with control group. FAI: Fructus aurantii immaturus.

Table 3 Variation of the number of spikes per minute before and after the use of drugs (number/min, ¯x ± s)

	No.	Migrating Myoelectric Complex				General cycle
		Phase I	Phase II	Phase III	Phase IV
Control	13		26.82 ± 17.86	117.02 ± 46.60	42.44 ± 30.78	27.58 ± 15.90
FAI + atropine	13	Same as in Table 2	15.15 ± 9.55b	89.40 ± 45.93b	36.11 ± 35.97	15.35 ± 9.82b

^bP < 0.01 compared with control group. FAI: Fructus aurantii immaturus.