Ineffective esophageal motility and bolus clearance. A study with combined high-resolution manometry and impedance in asymptomatic controls and patients.
Frank ZerbibIngrid MarinDaniel CisternasLuiz AbrahaoAlbis HaniAna M LeguizamoJosé María Remes-TrocheJulio Perez de la SernaAntonio Ruiz de LeonJordi SerraPublished in: Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society (2020)
Based on bolus clearance assessed by HRIM, ≥30% failed contractions and ≥70% ineffective contractions have the best sensitivity and specificity to predict altered bolus clearance. Weak contractions and absence of CR are not relevant with respect to bolus clearance.