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Polyuria, excessive urination, can be missed by caregivers and doctors. This review clarifies polyuria definition, causes in children, and associated conditions like diabetes insipidus for better diagnosis.
Area of Science:
- Pediatric Endocrinology
- Nephrology
- Clinical Medicine
Context:
- Polyuria is a significant clinical symptom often overlooked in both community and hospital settings.
- Understanding the underlying pathophysiology is crucial for accurate diagnosis and management.
- Pediatric polyuria requires a systematic diagnostic approach due to its diverse etiology.
Purpose:
- To define polyuria and review its pathophysiological basis.
- To discuss the causes of polyuria specifically in pediatric patients.
- To outline clinical and laboratory findings for common conditions associated with polyuria.
Summary:
- This paper reviews the definition and pathophysiology of polyuria.
- It details the causes of polyuria in children, aiding systematic diagnosis.
- Key clinical and laboratory findings for conditions such as neurogenic and nephrogenic diabetes insipidus, primary polydipsia, and osmotic diuresis are presented.
Impact:
- Enhances clinician's ability to diagnose polyuria in pediatric patients.
- Provides a structured approach to identifying the root causes of excessive urination.
- Improves recognition and management of conditions like diabetes insipidus and osmotic diuresis.
Abstract:
Polyuria is an important clinical sign that may pass unnoticed to the relatives and to the physician. In this paper, the definition of polyuria and the pathophysiological bases that condition its presence are reviewed. Likewise, the causes of polyuria in pediatric ages are discussed; this allows the clinician to approach the diagnosis in a systematized and organized manner. Finally, the outstanding clinical and laboratory findings of the entities that usually go with polyuria are reviewed; some of them are: neurogenic diabetes insipidus, primary polydipsia, osmotic diuresis, and nephrogenic diabetes insipidus.