Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

Table. 2.

Abnormal Findings Among Asymptomatic Volunteers

IRP (mmHg) Contractility (pattern)
Supine Upright Viscous Solid MRS RDC Supine Upright Viscous MRS
17 14 16 15 12 10 Normal Normal Normal Normal
16 10 8 13 6 8 Normal Normal Normal Normal
15 19 9 - 8 7 Normal Normal Normal Normal
15 13 - 12 5 –1 Normal Normal - Normal
14 13 5 8 10 1 Normal Normal HC Im-CR
9 16 9 23 7 7 HC Normal Normal Normal
15 11 4 6 7 10 Normal IEM Normal Normal
15 10 12 10 0 13 Normal Normal Normal Im-INH
15 9 7 5 7 6 IEM IEM Normal Normal
14 7 7 11 5 8 Normal Normal Normal Im-CR
12 10 8 16 0 3 HC Normal Normal Im-INH
12 9 7 6 6 4 Normal Normal IEM Im-CR
Im-INH
12 9 5 9 4 7 Normal Normal Normal Im-CR
12 4 3 9 0 6 Normal Normal Normal Im-INH
10 9 11 9 6 3 Normal Normal Normal Im-CR
Im-INH
10 9 3 3 0 2 Normal Normal Normal Im-CR
Im-INH
9 5 2 6 3 13 Normal Normal Normal Normal
8 6 1 1 2 –3 Normal Normal Normal Im-CR
8 6 - 13 0 –1 Normal IEM - Normal
8 4 - 11 0 0 IEM IEM - Im-CR
8 1 - 5 0 0 Normal IEM Normal
8 6 3 9 3 6 Normal Normal IEM Normal
6 2 3 4 0 1 Normal IEM Normal Im-CR
3 0 - 4 0 1 Normal IEM - Normal
15 9 - 12 2 7 Normal Normal - Normal
10 9 8 12 4 4 Normal Normal Normal Normal
8 3 5 8 1 –4 Normal Normal Normal Normal
8 2 4 2 4 9 Normal Normal Normal Normal
7 1 0 0 0 3 Normal Normal Normal Normal
13 7 6 7 6 7 Normal Normal Normal Normal

MRS, multiple rapid swallows; RDC, rapid drink challenge; HC, hypercontractile swallow; Im-CR, impaired contractile reserve; IEM, ineffective esophageal motility; Im-INH, impaired inhibition during MRS.

Each row represents one asymptomatic volunteer. Findings considered “abnormal” are highlighted in gray: “Elevated” integrated relaxation pressure (IRP) was considered if the median value among test swallows was > 15 mmHg for supine 5 mL liquid swallows, viscous, or solid test swallows or > 12 mmHg for upright 5 mL liquid swallows, MRS, or RDC. IEM was considered if > 50% of test swallows were ineffective.

J Neurogastroenterol Motil 2021;27:354~362 https://doi.org/10.5056/jnm20118
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