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[Factors influencing physiologic pressure variations of the lower esophageal sphincter in healthy probands]. 1990

A Bilic, and B Vuckovic, and V Pilas, and B Bakula, and Z Hrgovic, and Z Kesselman-Evans, and J Radosevic
Department of Gastroenterology, General Hospital Dr. Josip Kajfes, Zagreb, Jugoslawien.

Manometric characteristics of lower esophageal sphincter (LES) in 59 healthy persons have been investigated. The aim of the investigation was to find out possible physiological changes of LES pressures considering posture, part of the day, maximal inspiration and expiration, empty or partially full stomach and abdominal compression. It has been proved that the minimal value of lower esophageal sphincter pressure in all the investigated patients was 1.77 kPA (13.3 mm Hg) while the maximal one was 4.53 kPa (34.0 mm Hg). The absolute difference between the lowest and the highest measured lower esophageal sphincter pressure was 1.43 kPa (10.77 mm Hg). The mean value of all pressures was 2.99 kPa (22.4 mm Hg). It seems that the posture during pressure measuring is irrelevant. The pressure does not vary more significantly considering neither the time of the day nor any exertion of the examinee.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011187 Posture The position or physical attitude of the body. Postures
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D012119 Respiration The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration ( Breathing
D002940 Circadian Rhythm The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs or environmental and physiological stimuli. Diurnal Rhythm,Nyctohemeral Rhythm,Twenty-Four Hour Rhythm,Nycthemeral Rhythm,Circadian Rhythms,Diurnal Rhythms,Nycthemeral Rhythms,Nyctohemeral Rhythms,Rhythm, Circadian,Rhythm, Diurnal,Rhythm, Nycthemeral,Rhythm, Nyctohemeral,Rhythm, Twenty-Four Hour,Rhythms, Circadian,Rhythms, Diurnal,Rhythms, Nycthemeral,Rhythms, Nyctohemeral,Rhythms, Twenty-Four Hour,Twenty Four Hour Rhythm,Twenty-Four Hour Rhythms
D004943 Esophagogastric Junction The area covering the terminal portion of ESOPHAGUS and the beginning of STOMACH at the cardiac orifice. Gastroesophageal Junction,Gastroesophageal Junctions,Junction, Esophagogastric,Junction, Gastroesophageal,Junctions, Gastroesophageal
D005260 Female Females
D005746 Gastric Emptying The evacuation of food from the stomach into the duodenum. Emptying, Gastric,Emptyings, Gastric,Gastric Emptyings
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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