Cleansing products osmolarity for colonoscopy in maintenance hemodialysis patients - possible disorders of water and electrolyte metabolism
Abstract
Dialysis patients are at higher risk of most common gastrointestinal diseases in comparison with those without serious impairment of renal function. Sufficient iron deficiency and renal anemia management and/or clinical symptoms of gastrointestinal disease are indications of careful examination of gastrointestinal tract.
Colonoscopy belongs to most often examination. Adequate bowel cleansing is of great importance for diagnosis of apparent/occult gastrointestinal bleeding.
Cleansing products for colonoscopy are of different composition and its choice taking in account adverse effects and patient's compliance play important role. From pathophysiological point of view, hyperosmolar cleansing products can cause easily hypervolemia.
Isoosmolar preparations are safer in comparison with hyperosmolar products, although higher volume to drink is necessary. Electrolyte composition of bowel cleansing products, primarily potassium concentration, is the important aspect in hemodialysis patients.