Table 2.
Manometry, barium swallow and FLIP findings of all patients and patients with abnormal distensibility index
| Findings | All (n = 20) | Abnormal DIa |
|---|---|---|
| IRPb: mean, SD | 26.1 (11.3) | 27.6 (12.7) |
| Distal contractile integral: mean, SD | 3561.9 (3325.6) | 3648.8 (3357.5) |
| Distal latency: mean, SDc | 6.22 (1.73) | 5.76 (1.24) |
| RDCd IRP: mean, SD | 11.8 (8.05) | 13.2 (9.04) |
| RDC PEPe: present n (%) | 9 (52.9%) | 9 (69.2%) |
| HRMf delayed bolus transit: n (%) | 13 (65.0%) | 12 (80.0%) |
| EGJOOg features Spastic n (%) Hypercontractile n (%) Ineffective motility n (%) No disordered peristalsis n (%) |
6 (30.0%) 2 (10.0%) 5 (25.0%) 7 (35.0%) |
6 (40.0%) 1 (6.60%) 4 (26.7%) 4 (26.7%) |
| BaSh: delay n (%) | 7 (35.0%) | 5 (33.3%) |
| BaS: tablet delayi n (%) | 4 (57.1%) | 4 (57.1%) |
| FLIPf DI: mean, SD | 2.12 (1.60) | 1.43 (0.60) |
| FLIP: contractility pattern Contractility, no RAC/RRCg n (%) RAC n (%) RRC n (%) Absent n (%) |
6 (30.0%) 8 (40.0%) 2 (10.0%) 4 (20.0%) |
6 (40.0%) 4 (26.7%) 2 (13.3%) 3 (20.0%) |
aDistensibility index (DI), n = 15 patients for abnormal DI.
bAverage of median integrated relaxation pressure (IRP) measurements.
c n = 19 due to missing datapoint for all patients.
dRapid drink challenge (RDC), n = 16 for all patients and n = 11 for patients with abnormal DI.
ePanesophageal pressurization (PEP), n = 17 for all patients and n = 13 for patients with abnormal DI.
fHigh-resolution manometry (HRM).
gEsophagogastric junction outflow obstruction (EGJOO).
hBarium swallow (BaS).
i n = 7 patients for tablet for all patients and with abnormal DI.
fFunctional lumen imaging probe (FLIP), DI at maximum fill volume (depending on the patient 50–70 cc).
gRepetitive antegrade contractions (RAC), repetitive retrograde contractions (RRC).