Colectomy is a surgical procedure to remove all or part of the colon. When only part of the colon is removed, it is called a partial colectomy. The procedure is also known as a bowel resection. The colon is part of the body's digestive system.
The use of potassium-sparing diuretics is contraindicated in patients with anuria, acute or progressive renal insufficiency, or diabetic nephropathy. Potassium-sparing diuretics can cause hyperkalemia, which may result in life-threatening cardiac arrhythmias. Careful monitoring of serum potassium levels is necessary in all patients treated with potassium-sparing diuretics, especially during initiation of therapy, after dosage adjustment, and during illness that could alter renal function.
Hyponatremia associated with diuretics can be associated with overt clinical or physiologic evidence of hypovolemia. Since evidence of hypovolemia might be subtle, studies to define physiologic evidence of hypovolemia, such as measurement of the renin angiotensin system, can help differentiate the various causes of hyponatremia.