Hypogammaglobulinemia may be a late consequence of rituximab therapy, predisposing patients to recurrent bacterial infections, chronic diarrhea, and malabsorption syndrome
due to bacterial overgrowth and small bowel villi atrophy.
The treatment of tuberculosis in the presence of malabsorption syndromes
. Am Rev Resp Dis 1976;113:57.
The iron absorption test is the simplest way to quantify the stage of iron depletion, and to differentiate dietary deficiency from malabsorption syndromes
Decreased carotene levels are seen in several malabsorption syndromes
, including, but not limited to, some pancreatic diseases, sprue, post-small intestine resection, and celiac disease.
This would include patients with osteoporosis, those with malabsorption syndromes
, patients taking medications interfering with vitamin D, those with chronic kidney disease and older adults.
Independent of UVB exposure, the following medical conditions can cause vitamin D deficiency: fat malabsorption syndromes
(Crohn's disease, cystic fibrosis, gastric bypass), kidney failure, significantly impaired liver function, and seizure disorders (not directly from the seizures but from long-term use of medications to treat seizures, such as phenobarbitol and phenytoin).
Cobalamin deficiency has been attributed to low vitamin [B.sub.12] intake or protein-bound vitamin [B.sub.12] malabsorption syndromes
This chapter would have been improved with a brief mention of other malabsorption syndromes
such as intestinal lymphangiectasia, transporter defects such as oasthouse syndrome and enzyme deficiencies such a trehalase and sucrase isomaltase deficiency The section on anorexia nervosa seems to be predominantly a psychological overview.
"However, Vitamin D deficiency can also be due to confinement in the home for medical or other reasons, diet, malabsorption syndromes
and liver or kidney disease.
Patients at increased risk for vitamin D insufficiency (for example, those who are nursing-home bound, chronically ill or over age 70) and who have gastrointestinal malabsorption syndromes
should receive vitamin D supplementation in addition to that provided in Fosamax Plus D.
Patients at increased risk for vitamin D insufficiency (e.g., those who are nursing-home bound, chronically ill, over the age of 70 years) and with gastrointestinal malabsorption syndromes
should receive vitamin D supplementation in addition to that provided in FOSAMAX PLUS D.
Gastrointestinal manifestations include a myriad of conditions, mostly malabsorption syndromes
and infectious diarrhea.
TABLE MAJOR CAUSES OF CHRONIC DIARRHEA CLASSIFIED BY TYPICAL STOOL CHARACTERISTICS (6) Osmotic diarrhea [Mg.sup.2+], P[O.sub.4.sup.-3], S[O.sub.4.sup.-2] ingestion Carbohydrate malabsorption Fatty diarrhea Pancreatic disease Short-bowel syndrome Postgastrectomy syndrome Hyperthyroidism Cholestasis Other malabsorption syndromes
Inflammatory diarrhea Inflammatory bowel disease Infectious diseases Ischemic colitis Radiation colitis Neoplasia Secretory diarrhea Irritable bowel syndrome Laxative abuse Fecal incontinence Congenital syndromes (chloridorrhea) Idiopathic secretory diarrhea Bacterial toxins Drugs and poisons Disordered motility Neuroendocrine tumors Neoplasia Addison's disease Epidemic secretory (Brainerd) diarrhea REFERENCES
for treatment of malabsorption syndromes
, intestinal disorders, coronary
Because bacterial metabolism alters folic acid status and intestinal bacterial colonization is altered by nutritional factors and carbohydrate malabsorption syndromes
, dietary measurements should not rely solely on folic acid supplementation but should also consider carbohydrate malabsorption syndromes
, especially fructose malabsorption.