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Treatment regimens by pediatric nephrologists in children with congenital nephrogenic diabetes insipidus: A MWPNC study
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Treatment regimens by pediatric nephrologists in children with congenital nephrogenic diabetes insipidus: A MWPNC study
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Author Information (click to view)

D'Alessandri-Silva C, Carpenter M, Mahan JD,


D'Alessandri-Silva C, Carpenter M, Mahan JD, (click to view)

D'Alessandri-Silva C, Carpenter M, Mahan JD,

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Clinical nephrology 2017 11 22() doi 10.5414/CN109127
Abstract
BACKGROUND
Congenital nephrogenic diabetes insipidus (NDI) is a rare genetic disorder affecting urinary concentration. Clinicians have varied medication regimens as well as nutritional plan approaches for these children.

MATERIALS AND METHODS
An electronic survey was distributed to member pediatric nephrologists of the Midwest Pediatric Nephrology Consortium via email (n = 179). Questions included types of drugs prescribed, factors contributing to drug choice, common drug combinations given, and dietary/failure to thrive interventions used.

RESULTS
We analyzed results from 72 respondents (42% overall response rate). 72% treated only 1 – 3 patients with NDI per year, 12% treated 4 or more, and 17% had no NDI patients. Of providers treating NDI patients, almost all prescribed thiazides (93%), 62% prescribed amiloride, and 55% reported prescribing nonsteroidal anti-inflammatory drugs (NSAIDs) as part of their drug regimen. gastrointestinal (GI) and renal side effects (43%) were given as reasons for not prescribing indomethacin. For 70%, drug choice was determined by severity of failure to thrive (FTT). Physicians were asked to define the most common drug combinations they prescribed. 48% reported prescribing indomethacin with hydrochlorothiazide. 84% of respondents have a renal dietitian on staff, and half included appointments with a dietitian as part of FTT therapy. The most common intervention for FFT was gastrostomy tube placement (78%).

CONCLUSION
Our results suggest consensus on the use of thiazides, while the use of indomethacin is limited by GI and renal side effect profile. Our results revealed that multiple drug combinations are frequently used without one specific preferred regimen.
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