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PubMed2002

Gases of the gut.

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Eructation↗
PubMedDate not supplied

[Flatulence].

At present physicians focus their medicine studies in well defined illnesses as peptic ulcer, gastric cancer, ulcerative colitis and so on. However, patients reveal their discomfort to us, that is their symptoms or group of symptoms (syndromes). For this reason, our concern for many years has been the study of symptoms and syndromes. In this review we will be looking at the concepts and information gathered with respect to intestinal gases, clinically known as flatulence.

Abdominal Pain↗
PubMed2001

Masticatory performance is not associated with diet quality in Class II orthognathic surgery patients.

This study evaluated the association between masticatory function, diet, and digestive system problems in 59 Class II patients 5 years after bilateral sagittal split osteotomy. Dietary intake data were recorded in 4-day diet diaries and analyzed for overall diet quality (Healthy Eating Index) and selected dietary components. Masticatory function was assessed through measurements of masticatory performance, maximum bilateral bite force, and chewing time and number of chewing strokes until the subject felt that the bolus was ready to swallow. Self-reported frequency of digestive system problems was recorded with a 7-point Likert scale questionnaire. Masticatory function was not associated with diet quality or gastrointestinal problems. There was a weak association between intake of foods that require chewing (eg, fiber, protein, meat, and vegetables) and masticatory variables. Fourteen subjects (24%) had a poor diet and 45 subjects (76%) had a diet that needed improvement according to the Healthy Eating Index. Self-reported constipation was the only digestive system problem that was significantly associated with masticatory performance.

Abdominal Pain↗
PubMed1992

Effect of a single dose of lactase on symptoms and expired hydrogen after lactose challenge in lactose-intolerant subjects.

The effect of a single dose or oral lactase on symptoms, breath hydrogen concentration, and glucose absorption in lactose-intolerant subjects challenged with lactose was studied. Volunteers underwent a lactose challenge test; those whose breath hydrogen concentrations increased 20 ppm or more and who met other criteria were admitted as subjects. After fasting, the subjects were given three chewable lactase tablets (total lactase dose, 9900 FCC units) or placebo tablets in a randomized, double-blind, crossover manner. The subjects also consumed 8 oz of whole milk in which 37.5 g of lactose powder was dissolved (total lactose content, 50 g). The washout period between lactose challenges was at least one week. Breath hydrogen and plasma glucose concentrations were measured before and at intervals after the challenges, and the subjects completed symptom-evaluation questionnaires every eight hours for four days. Twenty-four subjects completed the study. The maximum mean breath hydrogen concentration was significantly lower after lactase treatment than after placebo treatment. In 21 subjects, the area under the hydrogen concentration-time curve (AUC) was lower after lactase than after placebo; three subjects had hydrogen AUCs more than 300 ppm.hr lower. There were no significant differences in plasma glucose levels. Subjective ratings of the severity of abdominal cramping, belching, flatulence, and diarrhea were lower during the first eight hours after challenge in lactase-treated subjects; ratings for bloating were lower during the next eight hours. Single doses of a chewable lactase tablet reduced the concentration of expired hydrogen and symptoms of lactose intolerance after a lactose challenge.

Abdominal Muscles↗
PubMed1975

Nausea and abdominal discomfort--possible relation to aerophagia during diving: an epidemiologic study.

Gastrointestinal (GI) distension by gas expansion may be more of a problem in diving than is usually recognized. In response to a written questionnaire, 2053 scuba divers gave information about GI discomfort such as pain, nausea, and vomiting in connection with diving. One hundred and eleven reports (5.4% of 2053) were considered possible cases of significant GI distension because the majority of divers had their symptoms during ascent and a significant number of them got relief from belching. Difficult middle ear pressure equilibration was a particular problem among divers with GI symptoms. It may have induced frequent swallowing, causing air ingestion and consequent GI problems. Steep, head-first descents appear to have been employed in some dives, leading to GI discomfort presumably be creating large mouth-to-stomach gas-pressure differences. It was concluded that swallowing or any procedure leading to entry of gas into the stomach should be avoided and that belching during diving should be recommended.

Abdominal Pain↗
PubMed2005

[Development and validation of a modified quality of life questionnaire for patients treated by antireflux surgery].

INTRODUCTION: Past decade witnessed a growing interest in scientific medical publications on health related quality of life (HRQoL), which has yielded an increasing number of generic and disease-specific instruments. To date, several studies have evaluated the impact of GERD on HRQoL. AIMS: To develop a QoL questionnaire for patients with GERD underwent laparoscopic fundoplication (LF). This questionnaire was developed to be more comprehensive than existing measures. MATERIALS AND METHODS: We undertook a retrospective analysis of 116 patients underwent laparoscopic fundoplication for GERD between 1994 and 2002 in the 1st Department of Surgery, Semmelweis University. These patients--included 55 men and 61 women, with mean age of 46 years (14-77)--were used in the psychometric evaluation. Our questionnaire was developed using internationally accepted, valid QoL instruments and scales. RESULTS: Internal-consistency reliability was high (alpha value overall 0.95; dimensions 0.74-0.96). Using convergent and divergent validity, construct validity was evaluated by examining Pearson correlation coefficients between items and scales. Construct validity was demonstrated based on observed correlations. Known-groups validity of questionnaire is proved to. CONCLUSIONS: Our questionnaire is a short and user-friendly instrument. It has excellent reliability, construct and known-groups validity.

Adolescent↗
PubMed2006

[Belching (ructus)].

Accumulation of air in the stomach increases the gastric volume, which activates receptors in the gastric wall. This results in a reflex that relaxes the lower oesophageal sphincter, whereby the intragastric air can escape through the oesophagus. Ventilation of the stomach via the oesophagus is known as belching (ructus). Belching often occurs in combination with reflux symptoms and dyspepsia. In these cases, other symptoms are often more predominant, and it is advisable to treat these first. In patients with aerophagia, belching is the most common reason for medical consultation. These patients belch frequently, up to 20 times per minute, and often during consultation. Aerophagia results from air being sucked into the oesophagus or injected by pharyngeal contraction, after which it is expelled immediately. In contrast to the described gastric belching, aerophagia is therefore a form of supragastric belching. Aerophagia is a behavioural disorder, and behavioural therapy or logopedics appears to be most common therapeutic approach.

Aerophagy↗
PubMed1991

[Stomach ulcers in the horse--clinical and gastroscopic findings in 12 horses (1989-1990)].

Twelve horses with clinical symptoms of a gastric disorder were studied by gastroscopy. Symptoms of gastric disorders were periprandial colic, bruxism, ructus and reflux. Preliminary to gastroscopy the horses were fasted for 24 h. Access to water was not restricted. The gastroscopy could be conducted easily using a fiberscope 2.5 m in length and 11 mm in outer diameter. While ulcers were present in the squamous fundus of all horses only one horse showed ulceration of the glandular fundus. Solitary ulcers near the margo plicatus were found in horses with mild clinical symptoms. In contrast, diffuse gastroesophageal ulceration was accompanied by severe clinical symptoms. Four horses were affected by an acute gastroesophageal ulceration with gastric reflux and subsequent aspiration pneumonia. Two of those horses suffered from acute gastric ulceration 3-4 days following laparatomy. All horses were treated with cimetidine (5 mg/kg bwt/q.i.d.) until clinical symptoms ceased.

Animals↗
PubMed1990

The effect of raw onions on acid reflux and reflux symptoms.

Patients with gastroesophageal reflux often describe heartburn after "spicy meals." One ingredient common to most such meals is onion. We investigated the effects of onion on acid reflux and reflux symptoms in 16 normal subjects and 16 heartburn subjects. Subjects were studied with an esophageal pH probe for 2 h after the ingestion of a plain hamburger and a glass of ice water. The identical meal, with the addition of a slice of onion, was ingested on a counterbalanced day. Variables measured were number of reflux episodes, percentage of the time pH was less than four, heartburn episodes, and belches. Ingestion of onions did not increase any of the reflux variables measured in normals. However, onions significantly increased all measures in heartburn subjects, compared with the no-onion condition, and compared with normals under the onion condition. Onions can be a potent and long-lasting refluxogenic agent in heartburn patients.

Adult↗