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[The effect of preoperative oral fluid intake on the volume and pH of gastric contents in elective surgical patients--a comparison of tea with apple juice]. 1996

T Tanabe, and Y Hashimoto, and K Sugihara, and A Miyata, and A Maeda, and H Ishihara, and A Matsuki
Department of Anesthesiology, Hachinohe City Hospital.

This study aimed to investigate the effect of 150 ml of either tea or apple juice on the volume and pH of gastric contents in 40 elective surgical patients, ranging in age from 18 to 70 years. They were given diazepam 5 approximately 10 mg and roxatidine 75 mg orally 2 hours before the start of isoflurane anesthesia or modified neuroleptic anesthesia. Immediately following the induction of anesthesia with thiopental and vecuronium, a nasogastric tube was placed to aspirate the gastric content to measure its volume and pH. The volume and pH of gastric contents were 6.4 +/- 8.5 ml, 6.0 +/- 2.2 in tea group and 17.1 +/- 18.4 ml, 4.4 +/- 2.6 in apple juice group, respectively. There was a significant difference in the gastric volume between the two groups (P < 0.05), while no significant difference in gastric pH was observed. This result suggests that apple juice is not appropriate as preoperative drink because apple juice increases gastric contents, and may cause aspiration pneumonia.

UI MeSH Term Description Entries
D007431 Intraoperative Complications Complications that affect patients during surgery. They may or may not be associated with the disease for which the surgery is done, or within the same surgical procedure. Peroperative Complications,Surgical Injuries,Complication, Intraoperative,Complication, Peroperative,Injuries, Surgical,Complications, Intraoperative,Complications, Peroperative,Injury, Surgical,Intraoperative Complication,Peroperative Complication,Surgical Injury
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011015 Pneumonia, Aspiration A type of lung inflammation resulting from the aspiration of food, liquid, or gastric contents into the upper RESPIRATORY TRACT. Acid Aspiration Syndrome,Aspiration Pneumonia,Gastric Acid Aspiration Syndrome,Mendelson Syndrome,Mendelson's Syndrome,Acid Aspiration Syndromes,Aspiration Pneumonias,Mendelsons Syndrome,Pneumonias, Aspiration,Syndrome, Acid Aspiration,Syndrome, Mendelson,Syndrome, Mendelson's,Syndromes, Acid Aspiration
D011300 Preoperative Care Care given during the period prior to undergoing surgery when psychological and physical preparations are made according to the special needs of the individual patient. This period spans the time between admission to the hospital to the time the surgery begins. (From Dictionary of Health Services Management, 2d ed) Care, Preoperative,Preoperative Procedure,Preoperative Procedures,Procedure, Preoperative,Procedures, Preoperative
D005260 Female Females
D005638 Fruit The fleshy or dry ripened ovary of a plant, enclosing the seed or seeds. Berries,Legume Pod,Plant Aril,Plant Capsule,Aril, Plant,Arils, Plant,Berry,Capsule, Plant,Capsules, Plant,Fruits,Legume Pods,Plant Arils,Plant Capsules,Pod, Legume,Pods, Legume
D005745 Gastric Acidity Determination Gastric analysis for determination of free acid or total acid. Acidity Determination, Gastric,Acidity Determinations, Gastric,Determination, Gastric Acidity,Determinations, Gastric Acidity,Gastric Acidity Determinations
D005750 Gastric Juice The liquid secretion of the stomach mucosa consisting of hydrochloric acid (GASTRIC ACID); PEPSINOGENS; INTRINSIC FACTOR; GASTRIN; MUCUS; and the bicarbonate ion (BICARBONATES). (From Best & Taylor's Physiological Basis of Medical Practice, 12th ed, p651) Gastric Juices,Juice, Gastric,Juices, Gastric
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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