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KMID : 1100320150320010055
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Yeungnam University Journal of Medicine
2015 Volume.32 No. 1 p.55 ~ p.59
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Severe hyponatremia and seizures after bowel preparation with low-volume polyethylene glycol plus ascorbic acid solution
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Lee Jae-Young
Jang Byung-Ik
Nam Yoon-Jeong
Song Jay
Kim Min-Cheol
Chung Seung-Min
Jang Jong-Geol
Cho Jae-Ho
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Abstract
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The widely used polyethylene glycol (PEG)-based solutions have been proven effective for bowel preparation when 4 L of the solution is administered before colonoscopy. However, large volumes of the solutions are generally poorly tolerated. A new PEG-based solution consisting of 2 L of PEG and a high dose of ascorbic acid has recently become available. Electrolyte abnormalities caused by PEG-based solutions have rarely been reported. We report on a case of acute severe hyponatremia with associated generalized tonic-clonic seizures after bowel preparation with a low-volume PEG plus ascorbic acid solution in a 74-year-old woman with no history of seizures. She took a beta blocker, an angiotensin-converting enzyme inhibitor, and glimepiride for hypertension and diabetes mellitus. She showed general weakness, nausea, agitation, muscle cramping, and seizures after ingestion of the PEG plus ascorbic acid solution. Her serum sodium level was 112 mEq/L. Her symptoms improved after intravenous administration of hypertonic saline. Physicians should pay attention to screening for electrolytes and development of neurological symptoms during bowel preparation.
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KEYWORD
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Polyethylene glycol, Bowel preparation, Hyponatremia, Seizure
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