Gastroenterol Res

Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access

Article copyright, the authors; Journal compilation copyright, Gastroenterol Res and Elmer Press Inc

Journal website http://www.gastrores.org

Original Article

Volume 8, Number 5, October 2015, pages 274-278

Esophageal Transit, Contraction and Perception of Transit After Swallows of Two Viscous Boluses

Figure 1. Measurement of viscosity, in centipoise (cp), of the barium and the yogurt, with the spindle rotation from 25 to 250 rotations per minute.

**Table 1.** Bolus Head Advanced Time (BHAT) and Segment Transit Time (STT), in Seconds, in the Sitting and Supine Positions After Swallows of Yogurt and Barium Sulfate, Measured From 20 - 15 cm, 15 - 10 cm, 10 - 5 cm From the Lower Esophageal Sphincter
	Sitting, mean (SD)	Supine, mean (SD)
*P < 0.04 vs. barium.
BHAT
Yogurt	0.9 (1.4)*	2.0 (2.0)*	2.1 (1.5)*	1.0 (0.7)*	1.9 (1.2)	3.0 (2.7)
Barium	0.5 (0.5)	1.1 (1.2)	1.2 (0.7)	0.8 (1.2)	1.4 (0.6)	2.5 (1.4)
STT
Yogurt	5.9 (3.2)	5.2 (2.8)	5.2 (1.7)	6.0 (2.8)*	6.1 (2.7)	6.6 (2.4)
Barium	5.1 (2.7)	5.4 (2.8)	5.7 (2.9)	4.8 (2.5)	5.9 (1.6)	6.2 (1.0)

Table 1. Bolus Head Advanced Time (BHAT) and Segment Transit Time (STT), in Seconds, in the Sitting and Supine Positions After Swallows of Yogurt and Barium Sulfate, Measured From 20 - 15 cm, 15 - 10 cm, 10 - 5 cm From the Lower Esophageal Sphincter

Sitting, mean (SD)

Supine, mean (SD)

20 - 15 cm

15 - 10 cm

10 - 5 cm

20 - 15 cm

15 - 10 cm

10 - 5 cm

*P < 0.04 vs. barium.

BHAT

Yogurt

0.9 (1.4)*

2.0 (2.0)*

2.1 (1.5)*

1.0 (0.7)*

1.9 (1.2)

3.0 (2.7)

Barium

0.5 (0.5)

1.1 (1.2)

1.2 (0.7)

0.8 (1.2)

1.4 (0.6)

2.5 (1.4)

STT

Yogurt

5.9 (3.2)

5.2 (2.8)

5.2 (1.7)

6.0 (2.8)*

6.1 (2.7)

6.6 (2.4)

Barium

5.1 (2.7)

5.4 (2.8)

5.7 (2.9)

4.8 (2.5)

5.9 (1.6)

6.2 (1.0)

**Table 2.** Amplitude (mm Hg), Duration (seconds) and Area Under the Curve (AUC, mm Hg × s) of Esophageal Contractions After Swallows of Yogurt and Barium Sulfate, Measured at 20, 15, 10 and 5 cm From the Lower Esophageal Sphincter in the Sitting and Supine Positions
	Sitting, mean (SD)	Supine, mean (SD)
*P < 0.01 vs. barium.
Amplitude
20 cm	70.1 (40.1)	64.9 (36.0)	81.8 (37.9)	87.6 (37.9)
15 cm	43.7 (29.3)	41.0 (28.3)	60.9 (41.4)	65.0 (42.3)
10 cm	73.6 (44.7)	69.3 (42.5)	95.2 (60.1)	101.7(53.1)
5 cm	107.8 (55.4)	98.3 (57.6)	110.2 (63.2)*	130.7 (69.4)
Duration
20 cm	2.4 (1.0)	2.3 (0.8)	2.8 (1.3)	2.8 (1.2)
15 cm	2.4 (0.8)	2.4 (1.0)	2.9 (1.1)	2.8 (0.9)
10 cm	2.9 (1.2)	2.7 (1.0)	3.0 (1.3)	3.3 (1.3)
5 cm	3.1 (1.4)	3.3 (1.5)	3.5 (1.3)	3.7 (1.6)
AUC
20 cm	100.6 (67.6)	87.7 (52.1)	150.8 (107.0)	149.8 (91.5)
15 cm	69.2 (52.8)	70.4 (57.6)	112.1 (80.9)	118.9 (87.0)
10 cm	130.2 (85.6)	118.8 (89.0)	182.4 (145.1)	202.6 (149.1)
5 cm	205.6 (173.1)	216.2 (210.0)	237.0 (189.6)	294.0 (267.0)

Table 2. Amplitude (mm Hg), Duration (seconds) and Area Under the Curve (AUC, mm Hg × s) of Esophageal Contractions After Swallows of Yogurt and Barium Sulfate, Measured at 20, 15, 10 and 5 cm From the Lower Esophageal Sphincter in the Sitting and Supine Positions

Sitting, mean (SD)

Supine, mean (SD)

Yogurt

Barium

Yogurt

Barium

*P < 0.01 vs. barium.

Amplitude

20 cm

70.1 (40.1)

64.9 (36.0)

81.8 (37.9)

87.6 (37.9)

15 cm

43.7 (29.3)

41.0 (28.3)

60.9 (41.4)

65.0 (42.3)

10 cm

73.6 (44.7)

69.3 (42.5)

95.2 (60.1)

101.7(53.1)

5 cm

107.8 (55.4)

98.3 (57.6)

110.2 (63.2)*

130.7 (69.4)

Duration

20 cm

2.4 (1.0)

2.3 (0.8)

2.8 (1.3)

2.8 (1.2)

15 cm

2.4 (0.8)

2.4 (1.0)

2.9 (1.1)

2.8 (0.9)

10 cm

2.9 (1.2)

2.7 (1.0)

3.0 (1.3)

3.3 (1.3)

5 cm

3.1 (1.4)

3.3 (1.5)

3.5 (1.3)

3.7 (1.6)

AUC

20 cm

100.6 (67.6)

87.7 (52.1)

150.8 (107.0)

149.8 (91.5)

15 cm

69.2 (52.8)

70.4 (57.6)

112.1 (80.9)

118.9 (87.0)

10 cm

130.2 (85.6)

118.8 (89.0)

182.4 (145.1)

202.6 (149.1)

5 cm

205.6 (173.1)

216.2 (210.0)

237.0 (189.6)

294.0 (267.0)

**Table 3.** Number of Ineffective Esophageal Contractions After Swallows of Yogurt and Swallows of Barium Performed in the Sitting and Supine Positions
	Sitting	Supine
P = 0.06 vs. barium. *P = 0.03 vs. barium.
Yogurt	19*	36.5	33	63.5	11**	21.2	41	78.8
Barium	9	17.3	43	82.7	5	9.6	47	90.4

Table 3. Number of Ineffective Esophageal Contractions After Swallows of Yogurt and Swallows of Barium Performed in the Sitting and Supine Positions

Sitting

Supine

Yes

*P = 0.06 vs. barium. **P = 0.03 vs. barium.

Yogurt

19*

36.5

63.5

11**

21.2

78.8

Barium

17.3

82.7

9.6

90.4

**Table 4.** Perception of Bolus Transit After Swallows of Yogurt and Barium Boluses in the Sitting and Supine Positions
	Sitting	Supine
*P = 0.06 vs. barium.
Yogurt	18	39.6	34	65.4	15*	28.8	37	71.2
Barium	12	23.1	40	76.9	9	14.3	43	82.7

Table 4. Perception of Bolus Transit After Swallows of Yogurt and Barium Boluses in the Sitting and Supine Positions

Sitting

Supine

Yes

*P = 0.06 vs. barium.

Yogurt

39.6

65.4

15*

28.8

71.2

Barium

23.1

76.9

14.3

82.7