Intraluminal Esophageal Manometry: An Analysis of Variables Affecting Recording Fidelity of Peristaltic Pressures

Stef, John J.; Dodds, Wylie J.; Hogan, Walter J.; Linehan, J. H.; Stewart, Edward T.

doi:10.1016/s0016-5085(19)32883-5

Cited by 104 publications

(29 citation statements)

References 6 publications

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“…Pump compliance was reduced in the present study by use of greased syringes, while catheter compliance was minimised by using a thick-walled minimally elastic tube with an internal diameter of only 2 mm. At the rate of infusion used in the present study our system is capable of measuring a pressure rise rate of 70 mm Hg/s and, although greater rise rates may be needed to monitor peristaltic pressure changes in the body of the oesophagus (Stef et al, 1974;Dodds et al, 1976), we feel that this rise rate is adequate for the needs of the present experiment and have avoided increasing the rate of infusion.…”

Section: Discussionmentioning

confidence: 99%

Effect of cimetidine on the human lower oesophageal sphincter.

Osborne¹,

Lennon²,

Henderson³

et al. 1977

Gut

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SUMMARY Lower oesophageal sphincter pressures in healthy volunteers were measured by a rapid pull-through technique during intravenous infusion of the histamine H2-receptor antagonist, cimetidine. No consistent effects on sphincter pressure were observed which are liable to be of clinical importance. Serum gastrin concentrations during cimetidine infusion were measured by radioimmunoassay and showed no significant variation. In a further series of experiments, the response of the lower oesophageal sphincter to intravenous bolus injection of pentagastrin was measured before and during cimetidine infusion. Cimetidine infusion had no significant effect on the sphincter response to pentagastrin.

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Section: Discussionmentioning

confidence: 99%

Effect of cimetidine on the human lower oesophageal sphincter.

Osborne¹,

Lennon²,

Henderson³

et al. 1977

Gut

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“…2) [Ask et al, 19771. This pressure builds up as a linear function of time and is given by the expression [Stef et al, 1974;Zabinski et al, 19751 F t p = -C where F is the infusion flow, C the compliance of the pressure measurement system, and t the time. The slope of the pressure, i.e., the pressure rise rate, is therefore determined by F/C and a low compliance of the system is therefore essential for a fast pressure rise rate.…”

Section: Water-filled Infused Cathetersmentioning

confidence: 99%

Pressure measurement techniques in urodynamic investigations

Ask

Hök

1990

Neurourology and Urodynamics

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It is apparent that the use of accurate pressure measurement techniques is essential for the outcome of urodynamic investigations. The aim of this paper is to estimate the demands on urodynamic pressure measurements and to rcview the properties of various techniques used. For the infused catheter techniquc, the dynamic properties are very much dependent on the coinplicance of the infusion system. With optimal infusion, the bandwidth and the pressure rise rate seem to be sufficient for most applications. tntraluniinal microtransducers have a high bandwidth. but a certain fiber optic transducer cannot accurately measure mechanical pressure in the collapsed urethra. The principal differences in measuring hydrostatic pressure between the infused catheter tcchniquc and microtransducers should be obscrvcd. Flexion artefacts are a problem whcn mcasunng urethral pressure profiles. Newly dcvcloped transducers may offer a solution to this problem.

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“…The reliable evaluation of esophageal and gastrointestinal motor function with manometric techniques became possible in the 1970s when Wyle Jerry Dodds and Ron Arndorfer developed the first high-fidelity manometry system 1,2. Except for a few technical modifications their approach remained the state-of-the art for 2 decades.…”

Section: Where Did High-resolution Manometry Come From and How Does Imentioning

confidence: 99%

Evaluation of Esophageal Motor Function With High-resolution Manometry

Conklin

2013

J Neurogastroenterol Motil

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For several decades esophageal manometry has been the test of choice to evaluate disorders of esophageal motor function. The recent introduction of high-resolution manometry for the study of esophageal motor function simplified performance of esophageal manometry, and revealed previously unidentified patterns of normal and abnormal esophageal motor function. Presentation of pressure data as color contour plots or esophageal pressure topography led to the development of new tools for analyzing and classifying esophageal motor patterns. The current standard and still developing approach to do this is the Chicago classification. While this methodical approach is improving our diagnosis of esophageal motor disorders, it currently does not address all motor abnormalities. We will explore the Chicago classification and disorders that it does not address.

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Intraluminal Esophageal Manometry: An Analysis of Variables Affecting Recording Fidelity of Peristaltic Pressures

Cited by 104 publications

References 6 publications

Effect of cimetidine on the human lower oesophageal sphincter.

Effect of cimetidine on the human lower oesophageal sphincter.

Pressure measurement techniques in urodynamic investigations

Evaluation of Esophageal Motor Function With High-resolution Manometry

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