Professor, Internal Medicine, TX AandM Univ Coll of Med
Gastroenterology
Dr. John S. Fordtran, MD
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John S. Fordtran, MD practices Gastroenterology. He graduated from Tulane University School of Medicine. He over the years received 3 awards: "Fellow (AGAF)", "Elected Member" and "Whos Who in Medicine and Healthcare". John Fordtran is a published physician as well. He has 100 publications published. The latest was: Conjugated bile acid replacement therapy for short-bowel syndrome.
Publications
- Gastroenterology's editors-in-chief: historical and personal perspectives of their editorships.
- The practical value of comprehensive stool analysis in detecting the cause of idiopathic chronic diarrhea.
- A Dallas doctor who spoke truth to power: three perspectives.
- Defining hypercalciuria in nephrolithiasis.
- The contribution of malabsorption to the reduction in net energy absorption after long-limb Roux-en-Y Gastric bypass.
- Intestinal and renal effects of low-volume phosphate and sulfate cathartic solutions designed for cleansing the colon: pathophysiological studies in five normal subjects.
- A tribute to Göran Klintmalm at the 20th Annual Baylor Transplant Reunion.
- Factitious diarrhea induced by stimulant laxatives: accuracy of diagnosis by a clinical reference laboratory using thin layer chromatography.
- Pathogenesis of nephrocalcinosis after sodium phosphate catharsis to prepare for colonoscopy: Intestinal phosphate absorption and its effect on urine mineral and elect...
- Factitious Disease: clinical lessons from case studies at Baylor University Medical Center.
- Colitis due to Clostridium difficile toxins: underdiagnosed, highly virulent, and nosocomial.
- Stimulated active potassium secretion in a patient with colonic pseudo-obstruction: a new mechanism of secretory diarrhea.
- Inhibition of neutral sodium absorption by a prostaglandin analogue in patients with cystic fibrosis.
- History of internal medicine at Baylor University Medical Center, part 2.
- The history of internal medicine at Baylor University Medical Center, part 1.
- Rapid Intestinal transit as a primary cause of severe chronic diarrhea in patients with amyloidosis.
- Abnormal passive chloride absorption in cystic fibrosis jejunum functionally opposes the classic chloride secretory defect.
- Accurate enzymatic measurement of fecal bile acids in patients with Malabsorption.
- Conjugated bile acid replacement therapy reduces urinary oxalate excretion in short bowel Syndrome.
- Hazards of PPI overuse and possible ways to curtail it.
- Effect of octreotide on fluid absorption and secretion by the normal human jejunum and ileum in vivo.
- Malabsorption due to cholecystokinin deficiency in a patient with autoimmune polyglandular Syndrome type I.
- Active Intestinal chloride secretion in human carriers of cystic fibrosis mutations: an evaluation of the hypothesis that heterozygotes have subnormal active intestina...
- Discrepancies between effects of recombinant human growth hormone on absorption and secretion of water and electrolytes on the human jejunum compared to results report...
- Positive results on tests for steatorrhea in persons consuming olestra potato chips.
- Conjugated bile acid replacement therapy for short-bowel Syndrome.
- A comparison of stool characteristics from normal and constipated people.
- Effect of single dose resin-cathartic therapy on serum potassium concentration in patients with end-stage renal Disease.
- Effect of mineralocorticoid activity on transtubular potassium gradient, urinary [K]/[Na] ratio, and fractional excretion of potassium.
- Glucose-stimulated sodium transport by the human intestine during experimental cholera.
- Effect of fludrocortisone and spironolactone on sodium and potassium Losses in secretory diarrhea.
- Validation of polyethylene glycol 3350 as a poorly absorbable marker for Intestinal perfusion studies.
- Proton-pump inhibition of Gastric chloride secretion in congenital chloridorrhea.
- Effect of D-glucose on Intestinal permeability and its passive absorption in human small intestine in vivo.
- Effect of psyllium, calcium polycarbophil, and wheat bran on secretory diarrhea induced by phenolphthalein.
- Pathophysiology of potassium absorption and secretion by the human intestine.
- Mechanism by which glucose stimulates the passive absorption of small solutes by the human jejunum in vivo.
- Diagnostic value of fasting plasma peptide concentrations in patients with chronic diarrhea.
- Effect of three laxatives and a cation exchange resin on fecal sodium and potassium excretion.
- Determinants of decreased fecal consistency in patients with diarrhea.
- Effect of changing Intestinal flow rate on a measurement of Intestinal permeability.
- Effect of sham feeding on Gastric acid secretion in healthy subjects and duodenal ulcer patients: evidence for increased basal vagal tone in some ulcer patients.
- Experience with sham feeding as a test for vagotomy.
- Inhibition of water and electrolyte absorption by polyethylene glycol (PEG).
- Development of a lavage solution associated with minimal water and electrolyte absorption or secretion.
- Effect of VIP infusion in water and ion transport in the human jejunum.
- Acute effect of diphenoxylate with atropine (Lomotil) in patients with chronic diarrhea and fecal incontinence.
- Chronic diarrhea of unknown origin.
- Influence of glucose, fructose, and water movement on calcium absorption in the jejunum.
- The radiological diagnosis of gallbladder Disease. An imaging symposium.
- Jejunal and ileal adaptation to alterations in dietary calcium: changes in calcium and magnesium absorption and pathogenetic role of parathyroid hormone and 1,25-dihyd...
- Pathogenesis of fecal incontinence in diabetes mellitus: evidence for internal-anal-sphincter dysfunction.
- Studies of the mechanism of the antidiarrheal effect of codeine.
- A report of five patients with large-volume secretory diarrhea but no evidence of endocrine tumor or laxative abuse.
- Ox bile treatment of severe steatorrhea in an ileectomy-ileostomy patient.
- Lithium absorption in tight and leaky segments of intestine.
- Imaging of the gallbladder.
- Permeability characteristics of human jejunum, ileum, proximal colon and distal colon: results of potential difference measurements and unidirectional fluxes.
- Effect of vasoactive Intestinal polypeptide on active and passive transport in the human jejunum.
- Active chloride secretion in the normal human jejunum.
- Fecal fat concentration in patients with steatorrhea.
- Mechanism of the antidiarrheal effect of loperamide.
- An evaluation of the importance of Gastric acid secretion in the absorption of dietary calcium.
- Absorption of phosphate in the jejunum of patients with chronic renal failure before and after correction of vitamin D deficiency.
- Evaluation of chloride/bicarbonate. Exchange in the human colon in vivo.
- Effect of 1,25-(OH)2D3 on jejunal absorption of magnesium in patients with chronic renal Disease.
- Purging and calorie absorption in bulimic patients and normal women.
- Starch blockers--their effect on calorie absorption from a high-starch meal.
- Gas production after reaction of sodium bicarbonate and hydrochloric acid.
- Gastric hypothermia for duodenal ulcer. A long-term controlled study.
- Speculations on the pathogenesis of diarrhea.
- Gastric emptying and Intestinal absorption during prolonged severe exercise.
- Water and solute movement in the small intestine of patients with sprue.
- Glucose-galactose Malabsorption.
- Ionic constituents and osmolality of gastric and small-Intestinal fluids after eating.
- Antacid pharmacology in duodenal ulcer. Effect of antacids on postcibal Gastric acidity and peptic activity.
- A method for studying absorption of water and solute from the human small intestine.
- Permeability characteristics of the human small intestine.
- Segmental perfusion techniques.
- Bicarbonate absorption in the human jejunum.
- Bile salt and micellar fat concentration in proximal small Bowel contents of ileectomy patients.
- The mechanisms of sodium absorption in the human small intestine.
- Stimulation of Intestinal sodium absorption by sugars.
- Ion transport during cholera-induced ileal secretion in the dog.
- Organic anions in fecal contents.
- On the establishment of a National Institute of Digestive Diseases and Nutrition.
- Interrelationships of chloride, bicarbonate, sodium, and hydrogen transport in the human ileum.
- Mechanism of bicarbonate absorption and its relationship to sodium transport in the human jejunum.
- Electrolyte transport in the human ileum.
- Marker perfusion techniques for measuring Intestinal absorption in man.
- Water and electrolyte movement in the intestine.
- Injury and permeability of Gastric mucosa.
- Pathogenesis of congenital alkalosis with diarrhea. Implications for the physiology of normal ileal electrolyte absorption and secretion.
- The role of intraluminal sodium in glucose absorption in vivo.
- Effect of long term anticholinergic therapy on Gastric acid secretion, with observations on the serial measurement of peak histalog response.
- Effect of calcitonin on meal-stimulated Gastric acid secretion and serum gastrin concentration.
- Jejunal absorption and secretion of calcium in patients with chronic renal Disease on hemodialysis.
- Ectopic Gastric mucosa in celiac sprue.
- Thyrocalcitonin and the jejunal absorption of calcium, water, and electrolytes in normal subjects.
Schools
Tulane University of Louisiana
Conditions Treated
- Abdominal Pain
- Anemia
- Crohn's Disease (Regional Enteritis)
- Diverticulitis, Intestinal
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Doctors Specialties
- Gastroenterology
Accepted Insurances
- Medicare MCR
- Tricare
Awards
- Fellow (AGAF)
- Elected Member
- Whos Who in Medicine and Healthcare
Education
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Boston University Medical Center -
Tulane University School of Medicine
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