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  • Title: Clinical features and treatment approaches in cystic fibrosis with pseudo-Bartter syndrome.
    Author: Yalçin E, Kiper N, Doğru D, Ozçelik U, Aslan AT.
    Journal: Ann Trop Paediatr; 2005 Jun; 25(2):119-24. PubMed ID: 15949200.
    Abstract:
    INTRODUCTION: Infants with cystic fibrosis (CF) are prone to develop episodes of hyponatraemic, hypochloraemic dehydration with metabolic alkalosis, which are biochemical hallmarks of the pseudo-Bartter syndrome (PB). METHOD: We reviewed the clinical and laboratory features and treatment approaches of 29 children with CF and PB who were under follow-up in our institution from May 1992 to November 2003. RESULTS: Of 241 patients with CF, PB was detected in 29 (12%) with a median age of 4 months at the time of the first attack. Most patients experienced vomiting, loss of appetite and dehydration during episodes of PB. All patients were managed with intravenous fluids and sodium chloride solutions. During follow-up, 12/29 cases required hospital admission for recurrent PB attacks. The oldest age at the time of the last attack was 48 months. CONCLUSIONS: CF should be considered in the differential diagnosis of metabolic alkalosis in young children. Vomiting and loss of appetite are important warning signs of possible PB in CF patients, particularly before 4 years of age. To prevent serious complications, it is crucial that parents and physicians recognise PB as early as possible.
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