Cases reported "Polyuria"

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1/7. Celiac crisis.

    Celiac crisis is a life-threatening cause of acute diarrhea and multiple metabolic emergencies. It is extremely rare these days. We successfully managed a 5-year old girl with celiac crisis for multiple metabolic problems viz., hyponatremia, hypokalemia, metabolic acidosis, hyperglycemia and polyuria in Pediatric intensive care Unit. Steroid therapy was life saving. The case may serve as a reminder of the condition, which presents a difficult therapeutic challenge.
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2/7. polyuria during guillain-barre syndrome.

    Severe guillain-barre syndrome (GBS) usually results in life-threatening autonomic disturbances requiring a close monitoring of the patient in an intensive care Unit. Besides dangerous cardiac manifestations, neuroendocrine changes are also reported and could induce electrolytes and fluid balance impairments. polyuria has been observed in a severe case of GBS occurring in a 16-year-old boy. Consecutive blood samples were obtained for renin, aldosterone, antidiuretic hormone and atrial natriuretic factor measurements. polyuria in GBS is multifactorial and would be partly due to a dysregulation of osmoreceptors.
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3/7. Dipsogenic diabetes insipidus: report of a novel treatment strategy and literature review.

    Dipsogenic diabetes insipidus is a syndrome of disordered thirst, in patients without psychiatric disease, which may be confused with partial central diabetes insipidus. Distinguishing these entities involves monitored water testing. Therapy with antidiuretic hormone in patients with dipsogenic diabetes insipidus is thought to be contraindicated for fear of inducing water intoxication. We report a case of a 26-year-old woman without psychiatric illness referred for longstanding polyuria and polydipsia. Otherwise healthy, she complained of near-constant thirst and frequent urination, causing severe disruption of her personal and professional life. She had been consistently eunatremic and polyuric, with low urine osmolality. Results of extensive water testing revealed intact urinary concentrating and diluting capacity, physiologic though blunted antidiuretic hormone (ADH) release, and an abnormally low thirst threshold, consistent with the diagnosis of dipsogenic diabetes insipidus. To control her polyuria we initiated treatment with intermittent, low-dose, intranasal desmopressin and strict water restriction during drug dosing. In follow-up she reported excellent control of polyuria and significant functional improvement. The reviewed literature demonstrates a limited number of reports about dipsogenic diabetes insipidus, and no prior report of a similar treatment strategy. Dipsogenic diabetes insipidus is an uncommonly (and not universally) recognized disorder, requiring monitored testing in order to distinguish it from incomplete forms of central diabetes insipidus. Though therapy with desmopressin cannot be recommended based on the results of a single case, the outcome presented here is intriguing and suggests that larger studies in such patients is warranted to assess the broader application of such an intervention.
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4/7. Central diabetes insipidus in a patient with malaria tropica.

    Up to 21% of severe cases of malaria tropica are associated with polyuria and are life-threatening. We describe a 39-yr-old man with malaria tropica who developed disseminated intravascular coagulation, polyuria, and a pituitary lesion. Empiric treatment with vasopressin improved the polyuria. This is the first case of malaria tropica in which central diabetes insipidus has been documented.
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5/7. Prostaglandin synthetase inhibitors in the treatment of nephrogenic diabetes insipidus.

    Two boys with classical NDI have been treated with prostaglandin synthetase inhibitors. A boy, 7 years old, was treated with low solute-load diet and diuretics from his first year of life. His main complaint was nocturnal enuresis. He responded within one day to indomethacin 25 mg twice daily, and the urine volume was reduced from 4 1/2--6 litre/day to 2 1/2--3 litre/day. There is almost no enuresis. A boy, 7 months old, had a basal daily urine volume of 1.6--1.8 litre. A low solute-load diet and diuretics reduced urine volume to 1 litre, but he still needed gastric tube feeding. With the addition of acetylsalicylic acid, 75 mg three times daily, the urine volume was reduced to 600 ml, and he needed no more tube feeding. Both boys are doing well on the above-mentioned regimens, and no side effects have been observed after 1 year of treatment.
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6/7. Primary polydipsia. Syndrome of inappropriate thirst.

    A patient with lifelong severe polyuria and polydipsia had normal serum antidiuretic hormone (ADH) levels and responded to water deprivation with a prompt increase in urine osmolality and maintenance of normal plasma osmolality (less than 290 mOsm/kg), despite extreme thirst. When treated with desmopressin acetate and allowed free access to water, she was able to reduce plasma osmolality below 270 mOsm/kg, and her compelling thirst disappeared. The disorder is interpreted to be the result of excessive fluid intake in response to a thirst stimulus that was not inhibited by normal plasma osmolality. This study indicates that osmoreceptor control of ADH secretion is normal. Continued administration of vasopressin has relieved the symptoms and has not resulted in water intoxication.
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7/7. An extreme example of the neonatal form of Bartter's syndrome.

    A male infant is described who had polyuria over the 4 months of his life with urine volumes exceeding 1,000 ml/kg per day, severe serum electrolyte losses, metabolic alkalosis and increased plasma renin activity (56 ng/ml per hour). He had a normal blood pressure and glomerular filtration rate when fluid replete. The urine flow rate was about 25% of the glomerular filtration rate. Renal histology showed hyperplasia of the juxtaglomerular apparatus and abnormalities of the proximal tubules. The features of this case suggest an extreme form of Bartter's syndrome presenting from the first days of life.
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