Criteria in the choice of an occluding cuff for the indirect measurement of blood pressure

Alexander, Harold; Cohen, Myron L.; Steinfeld, Leonard

doi:10.1007/bf02441568

Cited by 62 publications

(16 citation statements)

References 5 publications

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“…Patients who underwent laryngectomy. Computer analysis of the CS and RP probe data from the 11 patients who had undergone total laryngectomy was done FiGuRE 6 Three-dimensional pressure profile of the normal UES. Notice the anteroposterior accentuation of pressure and the axial asymmetry with an orad shift of anterior pressures.…”

Section: Methodsmentioning

confidence: 99%

Manometry of the Normal Upper Esophageal Sphincter and its Alterations in Laryngectomy

Welch¹,

Luckmann²,

Ricks³

et al. 1979

J. Clin. Invest.

159

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A B S T R A C T Rapid pull-through pressure profiles of the normal human upper esophageal sphincter (UES) were simultaneously studied with a conventional three-orifice Honeywell solid-state probe, an eight lumen radially perfused (RP) probe, and a circumferentially sensitive (CS) probe designed to measure UES pressure (UESP) without regard to probe orientation. Pressure curves were digitized and analyzed by computer. The Honeywell probe recorded significantly lower peak pressures than the other two methods, and had wide intrasubject pressure variations (average coefficient of variation, 53%). In contrast, UESP measured with the CS probe was constant for each subject (mean peak UESP, 121 mm Hg; average coefficient of variation, 15%). Anteroposterior RP probe UESP were identical to CS probe pressures. Thus, peak perfused anteroposterior UESP correlates with circumferentially measured sphincter squeeze.Computer programs were written that allowed RP probe pressures to be mapped in three dimensions. Normal three-dimensional maps were characterized by anteroposterior accentuation of peak pressures and also by consistent axial asymmetry with anterior peak pressures occurring 0.8±0.2 cm closer to the pharynx.After defining the normal two-and three-dimensional UESP configuration, patients who had undergone laryngectomy were studied. Peak pressures measured with the RP probe decreased to -50 mm Hg and radial pressure asymmetry vanished. Like normals, CS probe pressures corresponded to peak RP probe pressures. UES length did not change significantly. Three-dimensional mapping showed that axial asymmetry also vanished. It therefore appears that the anatomic alterations produced by laryngectomy abolishes UESP asymmetry.

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Section: Methodsmentioning

confidence: 99%

Manometry of the Normal Upper Esophageal Sphincter and its Alterations in Laryngectomy

Welch¹,

Luckmann²,

Ricks³

et al. 1979

J. Clin. Invest.

159

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show abstract

“…It has been well documented that cuff width is an important factor in the accuracy of the tail-cuff method [1,9]. The small cuff may have been too narrow for the purposes of this study.…”

Section: Discussionmentioning

confidence: 97%

Measurement of Mean Arteria Pressure in Rats by a Tail-cuff Method with Sensitive Photoelectric Sensors

Sakamaki

Tajima

Ichikawa

et al. 1987

Experimental Animals

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“…These are (including errors inherent in shoulder cuffs) [11]: Errors of pneumatic cuffs should be taken into account in restriction of instrumental VT methods.…”

Section: Volumetric Conversion System For Examination Of Cranial Tissuesmentioning

confidence: 99%

“…Instrumental error is related to ratio of perimeter (L) to cuff width (W) (K = W/L) [11]. Instrumental error is related to ratio of perimeter (L) to cuff width (W) (K = W/L) [11].…”

Section: Volumetric Conversion System For Examination Of Cranial Tissuesmentioning

confidence: 99%

Volumetric Conversion System for Examination of Cranial Tissues

Чащин

Мохов

2010

Biomed Eng

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Criteria in the choice of an occluding cuff for the indirect measurement of blood pressure

Cited by 62 publications

References 5 publications

Manometry of the Normal Upper Esophageal Sphincter and its Alterations in Laryngectomy

Manometry of the Normal Upper Esophageal Sphincter and its Alterations in Laryngectomy

Measurement of Mean Arteria Pressure in Rats by a Tail-cuff Method with Sensitive Photoelectric Sensors

Volumetric Conversion System for Examination of Cranial Tissues

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