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Biomedical subjects

H D Becker

Publications and source records attributed to H D Becker.

At least 289 records · Page 16Linked to original sources
PubMed1978

[Nitrogen-saving effect of a 3% solution of amino acid infusion in the postoperative period].

Infusion of a 3% amino acid solution after moderate abdominal surgery for 4 - 6 days postoperatively results in a nitrogen-saving effect as compared with an infusion of carbohydrates or a combination of carbohydrates and amino acids. Patients who received only amino acids showed the lowest blood glucose levels, but a significant increase of ketone bodies and triglycerides in serum, which is an indication of lipolysis.

Abdomen↗
PubMed1978

[Progress in diagnosis of gastric function: gastric secretory analysis, intragastric titration, endocrine provocation tests (author's transl)].

Diagnostic procedures for the measurement of gastric acid secretion and for the differention between several types of hypergastrinemia have been improved during the last years. An intravenous dose-response curve with increasing doses of pentagastrin resulted in 30% higher MAO compared to subcutaneously administered pentagastrin (6 microgram/kg body weight). Food-stimulated gastric acid secretions can be measured by intragastric titration; this method is used mainly in clinical-physiological studies. The different forms of hypergastrinemia may be differentiated by 3 provocation tests: calciuminfusion, secretintest, glucagontest. In atypical cases of Zollinger-Ellison-Syndrome it may be necessary to perform all 3 tests.

Calcium↗
PubMed1978

[The effect of selective proximal vagotomy on gastrin, GIP and insulin blood levels in patients with duodenal ulcer].

1. In duodenal ulcer patients SPV results in an increase of basal and postprandial serum gastrin levels. There is no decrease of hypergastrinemia even five years after SPV. 2. After SPV there is a significant increase in basal serum GIP levels; postprandial GIP concentrations show a faster increase after food intake. 3. Serum insulin and blood glucose concentrations are not altered by SPV.

Chronic Disease↗
PubMed1978

[The behavior of free serum amino acids and their urinary excretion after major abdominal surgery].

32 patients with major abdominal surgery received parenteral nutrition with 360 g carbohydrate mixture (levulose: glucose: xylitol = 2:1:1)/24 hours and 1000 ml of a 10% L-amino acid mixture (potato-egg-pattern)/24 hours. Daily nitrogen balances were balanced or slightly negative. Daily we determined serum amino acid concentration; essential amino acid levels were normal. Of non-essential amino acid levels glutamine acid and aspartic acid were elevated. Amino acid loss in urine was 0.2 to 3%, only tryptophan and histidine were excreted in 6.6 and 7.0%.

Amino Acids↗
PubMed1977

[The effect of antrectomy or total gastrectomy on calcium-induced gastrin secretion and gastrin release in man (author's transl)].

The effect of induced hypercalcemia on serum gastrin concentrations, measured by radioimmunoassay, and gastric acid secretion was studied in 20 healthy subjects, 8 patients after antrectomy and gastroduodenostomy (Billroth I), 12 patients after antrectomy and gastrojejunostomy (Billroth II) and in 9 patients after total gastrectomy and esophagojejunostomy. In normal man calcium stimulates gastric secretion and gastrin release. After antrectomy gastric secretion is still stimulated by calcium without changing serum gastrin levels. After total gastrectomy basal serum gastrin concentration is further reduced; calcium does not liberate gastrin. These results show that calcium-induced gastric secretion is caused by direct action at the parietal cell level besides the gastrin release from the antrum. In man, extra antral gastrin cannot be released by induced hypercalcemia.

Adult↗
PubMed1977

[Dumping syndrome].

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Dumping Syndrome↗
PubMed1977

[Treatment of postoperative gastrointestinal fistulas by long-term parenteral feeding].

Twenty-nine anastomotic leakages of the gastrointestinal tract were treated by long-term parenteral nutrition; 20 closed spontaneously, the lethality was 18.3%. Especially, well-drained fistulas of the distal small bowel and the colon show a tendency to closure and should be treated by long-term parenteral hyperalimentation (2500-4000 KCal/24 h), if no signs of ileus or diffuse peritonitis are apparent. The technique and chance for success of hyperalimentation are discussed.

Gastric Fistula↗
PubMed1977

[Gastrointestinal hormone release in dumping symdrome before and after reconstruction of duodenal passage].

Serum gastrin, serum-GIP and serum insulin levels were measured before and after interposition operation (Henley-Soupault) in 10 patients with severe dumping-syndrome (PGS). The results were compared to those obtained in 10 normal subjects without any gastrointestinal disease. In the PGS pre-operative group there was a significantly lower serum gastrin concentration compared to normals, while the serum-GIP-concentration was significantly higher. After interposition operation all serum-hormone-levels tended towards normal values. There was no difference between the basal serum insulin levels of the three groups. The change in postprandial insulin release was parallel to the serum-GIP-levels. It is concluded that there is a close connection between disturbed release of gastrointestinal hormones and the dumping syndrome.

Dumping Syndrome↗
PubMed1977

[Pathogenesis, diagnosis and therapy of the dumping syndrome].

The dumping-syndrome is a severe complication of gastric surgery after operations which destroy or weaken the sphincter mechanism of the pylorus. The pathogenesis involves the release of kinins, the triggering of neurogen reflex mechanisms by distending the jejunum, the massive flow of fluid in jejunal lumen, the loss of the reservoir function of the stomach, and, possibly, the pathologic release of gastrointestinal hormones. Preoperatively, intensive diagnostic efforts are necessary, which must include a psychiatric check-up. For surgical treatment several modifications of reversal operations from Billroth II to Billroth I with reconstruction of duodenal passage have been developed. Our own modification includes, beside testitution of the duodenal passage, the construction of a gastric pouch.

Dumping Syndrome↗
PubMed1976

[The influence of coffee and caffeine on gastrin and acid secretion in man (author's transl)].

Intragastric instillation of coffee, decaffeinated coffee and pure caffeine in humans significantly stimulated gastric secretion. After intragastric caffeine, basal serum gastrin concentrations were not changed. However after instillation of coffee and decaffeinated coffee serum gastrin increased significantly. Thus acid secretion was significantly greater after coffee and decaffeinated coffee than after caffeine. Roasted products seem to be responsible for the gastrin-releasing effect of coffee.

Caffeine↗
PubMed1975

[Effect of antrectomy of total gastrectomy on calcium-induced gastric secretion and gastrin liberation in man].

These studies show that calcium stimulates gastric secretion and gastrin release in healthy individuals and duodenal ulcer patients. After antrectomy calcium still stimulates gastric secretion without affecting basal serum gastrin concentration. After total gastrectomy serum gastrin levels are decreased; hypercalcemia results in a small but definite release of gastrin from extraantral sites.

Calcium↗