A child with recurrent urinary tract infections is most likely to show?

JODHPUR AIIMS SNO-2018

Child Health Nursing (Pediatrics)

Easy

Appeared in: JODHPUR AIIMS SNO-2018

Explanation

Vesicoureteric reflux (VUR) is the most common congenital urinary tract abnormality predisposing children to recurrent UTIs.
VUR is defined as the retrograde or backward flow of urine from the bladder into one or both ureters and, in severe cases, to the kidneys.
This abnormal backflow facilitates the transport of bacteria from the bladder to the upper urinary tract, significantly increasing the risk of pyelonephritis (kidney infection) and subsequent renal scarring.
Studies show that VUR is present in approximately 30% of children who are evaluated for a febrile UTI, making it the most probable underlying diagnosis among the given options.

Option B: Neurogenic bladder is a functional disorder of the bladder due to a neurologic condition (e.g., spina bifida, spinal cord injury). While it does cause urinary stasis and recurrent UTIs, it is far less common in the general pediatric population than primary VUR.
Option C: Renal and ureteric calculi (kidney stones) are an infrequent cause of recurrent UTIs in children. They are more commonly seen in adults.
Option D: Posterior urethral valves (PUV) are obstructive membranes in the urethra that occur only in males. While PUV is a very important cause of urinary obstruction and UTIs in male infants, VUR is more prevalent when considering the entire pediatric population (both boys and girls of all ages).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Etiology of recurrent urinary tract infections in the pediatric population as background academic context rather than a clinical decision trigger.
The primary clinical goal in managing a child with recurrent UTIs is to identify underlying causes like VUR to prevent reflux nephropathy (permanent kidney scarring), which can lead to hypertension and chronic kidney disease later in life.
Nurses are vital in educating parents on recognizing UTI symptoms (fever, irritability, foul-smelling urine), ensuring proper urine sample collection, and explaining the purpose of diagnostic tests like a voiding cystourethrogram (VCUG).
What if? If the question specified the patient was a newborn male with a weak urinary stream and a palpable bladder, the most likely cause would shift from VUR to Posterior Urethral Valves (PUV), as this presentation is classic for severe urethral obstruction in that specific demographic.

How to Approach the Question

First, identify the key elements of the question: the patient is a 'child' and the clinical problem is 'recurrent urinary tract infections'.
Recognize that recurrent infections in a child often point to an underlying anatomical or functional abnormality of the urinary tract.
The question asks for the 'most likely' cause, which requires you to consider the prevalence of the conditions listed in the options.
Evaluate each option based on how commonly it causes recurrent UTIs in the general pediatric population.
Recall that Vesicoureteric reflux (VUR) is the most common congenital anomaly associated with recurrent UTIs in children.
Differentiate this from other causes: Neurogenic bladder is less common and tied to nerve issues, calculi are rare in children, and posterior urethral valves are specific to males and less prevalent overall than VUR.

Concept Tested & Keywords

Concept Tested: Etiology of recurrent urinary tract infections in the pediatric population.
Stem keywords: child, recurrent urinary tract infections
Lead-in keywords: most likely
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.

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