1996
DOI: 10.7326/0003-4819-124-11-199606010-00002
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Abstract: In patients with chest pain and normal cardiac and esophageal evaluations, impedance planimetry of the esophagus reproduces pain and is associated with a 50% lower sensory threshold for pain, a 50% lower threshold for reactive contractions, and reduced esophageal compliance.

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Cited by 178 publications
(144 citation statements)
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“…This was conducted using an intra-oesophageal balloon and asking patient to note when they experienced pain, the control subjects experienced pain at insufflation of greater than 8 ml compared to those with chest pain of an unknown aetiology of whom 50 % experienced chest pain at lower insufflations. Rao et al [48] investigated the relationship between cross-sectional area and pressures generated rather than the volume of balloon distension in order to provoke pain [48]. They demonstrated that patients with chest pain had a tolerance threshold which was 50 % lower when compared to control subjects.…”
Section: Visceral Hypersensitivitymentioning
confidence: 99%
“…This was conducted using an intra-oesophageal balloon and asking patient to note when they experienced pain, the control subjects experienced pain at insufflation of greater than 8 ml compared to those with chest pain of an unknown aetiology of whom 50 % experienced chest pain at lower insufflations. Rao et al [48] investigated the relationship between cross-sectional area and pressures generated rather than the volume of balloon distension in order to provoke pain [48]. They demonstrated that patients with chest pain had a tolerance threshold which was 50 % lower when compared to control subjects.…”
Section: Visceral Hypersensitivitymentioning
confidence: 99%
“…Outros estudos utilizando diferentes metodologias, tais como distensão esofágica com balão (30) e potencial evocado cerebral (18) , têm confirmado o importante papel desempenhado pela hipersensibilidade visceral no desenvolvimento da DTNC, provavelmente, mais em função do resultado de amplificação pelo processamento cerebral do estímulo sensorial visceral do que resposta hiperálgica das vias viscerais aferentes (18) .…”
Section: Doença Do Refluxo Gastroesofágicounclassified
“…The bag contained a four-electrode impedance planimetry system as described previously (12,20,26). The electrodes were located inside a cylindrical bag on a 70-cm long probe with a diameter of 4.5 mm (Fig.…”
Section: Stimulation Device and Protocolmentioning
confidence: 99%