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BLADDER STIMULATION IN PEDIATRIC EMERGENCY DEPARTMENT

12 de junho de 2026 atualizado por: Aytaç Göktuğ, Istanbul Medeniyet University

CAN THE BLADDER STIMULATION TECHNIQUE SOLVE THE URINE COLLECTION CHAOS IN THE PEDIATRIC EMERGENCY DEPARTMENT?

The purpose of this prospective, quasi-experimental study is to evaluate the efficacy of the Bladder Stimulation Technique (BST) compared to the traditional urine collection bag method in non-toilet-trained infants presenting to the Pediatric Emergency Department. The primary objective is to determine whether BST can significantly reduce urine contamination rates and the time required for successful sample collection. By comparing these two non-invasive methods, the study aims to provide a faster, cleaner, and more reliable diagnostic approach to solve the operational challenges of urine collection in acute pediatric care

Visão geral do estudo

Descrição detalhada

Diagnosing urinary tract infections (UTIs) in non-toilet-trained infants is a daily and critical challenge in pediatric emergency departments. In this highly vulnerable group, a UTI can rapidly progress to severe complications, making an accurate diagnosis via a sterile or very clean urine sample absolutely essential. Currently, the most common non-invasive method for collecting urine from these infants is the adhesive urine bag. However, this method has significant drawbacks. Bag samples have notoriously high contamination rates-often exceeding 50%-because bacteria from the baby's skin or stool easily mix with the urine.

When a urine sample is contaminated, it frequently leads to false-positive results. This forces physicians to either prescribe unnecessary antibiotics to a very young infant or subject the baby to invasive, painful procedures like urethral catheterization to secure a sterile sample. Furthermore, waiting for an infant to naturally void into a bag is highly unpredictable, often taking hours. This waiting period increases the length of hospital stays, frustrates parents, and creates operational bottlenecks in busy emergency departments.

The Proposed Intervention: Bladder Stimulation Technique (BST) To address these clinical and operational challenges, clinicians are exploring alternative non-invasive methods. The Bladder Stimulation Technique (BST) is a safe, completely non-invasive maneuver that involves gently tapping and massaging the infant's lower abdomen (suprapubic area) and lower back (lumbar region) in a specific sequence. This gentle stimulation triggers the infant's natural reflex to urinate, allowing healthcare providers to catch a midstream urine sample directly into a sterile container.

Study Design and Methodology This is a prospective, quasi-experimental comparative study conducted in a high-volume Pediatric Emergency Department. The study is designed to directly compare the traditional adhesive urine bag method with the Bladder Stimulation Technique.

The study will specifically include infants younger than 6 months of age who present to the emergency department and require a urine sample for clinical evaluation. Eligible infants will be evaluated using one of the two collection methods, and the study will rigorously track and compare the outcomes of both approaches in real-time.

Primary and Secondary Objectives

The study focuses on three main questions regarding this specific age group:

Contamination Rates: Does BST provide a cleaner urine sample compared to the bag method in infants under 6 months, thereby significantly reducing the rate of false-positive cultures?

Time Efficiency: Does BST reduce the time required to successfully collect a urine sample compared to waiting for a bag collection?

Success Rate: What is the overall success rate of obtaining a viable urine sample using BST versus the bag method within a standard emergency room timeframe? The findings of this study have the potential to immediately change clinical guidelines and daily practices in acute pediatric care. If the Bladder Stimulation Technique proves to be faster and less prone to contamination than the traditional bag method, it will serve as a crucial "diagnostic firewall." For parents, this means less time waiting in the emergency room, protection from unnecessary antibiotic treatments, and avoiding the pain and trauma of invasive catheterization for their babies. For healthcare systems, it offers a cost-effective, evidence-based solution to resolve diagnostic dilemmas and operational bottlenecks in emergency departments.

Tipo de estudo

Intervencional

Inscrição (Estimado)

124

Estágio

  • Não aplicável

Contactos e Locais

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Locais de estudo

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

  • Filho

Aceita Voluntários Saudáveis

Não

Descrição

Inclusion Criteria:

  • Infants strictly under 6 months of age.
  • Patients presenting to the pediatric emergency department who require a urine sample collection for any clinical indication (e.g., fever without a source, suspected urinary tract infection).
  • Infants who are able to be fed orally or enterally (as the protocol requires the procedure to be performed 20 minutes after feeding to ensure bladder volume).
  • Presence of informed written consent from a parent or legal guardian.

Exclusion Criteria:

  • Infants aged 6 months or older.
  • Patients requiring immediate life-saving resuscitation or those who are hemodynamically unstable.
  • Patients with known congenital anomalies of the genitourinary tract.
  • Patients with known neurological disorders that may affect normal bladder function or voiding reflexes (e.g., neural tube defects, spina bifida).
  • Presence of skin lesions, active infections, trauma, or surgical incisions in the paravertebral (lower back) or suprapubic (lower abdomen) areas that would contraindicate physical massage and tapping.
  • Patients with any clinical contraindication to feeding.
  • Refusal of parental consent.

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Diagnóstico
  • Alocação: Não randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Nenhum (rótulo aberto)

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: Arm 1: Bladder Stimulation Technique
Infants in this arm will undergo the Bladder Stimulation Technique. This completely non-invasive method involves a specific sequence of paravertebral (lower back) massage and suprapubic (lower abdomen) tapping to trigger the infant's natural voiding reflex, allowing for a midstream urine sample to be collected directly into a sterile container.
In the intervention group, the Bladder Stimulation Technique (BST) was performed. The infant was held safely suspended in the air by their armpits by a researcher to relax the abdominal muscles. The physician then initiated a stimulation cycle consisting of 30 seconds of gentle paravertebral (lower back) massage, followed immediately by 30 seconds of light suprapubic (lower abdomen) tapping. This 1-minute cycle was repeated continuously for a maximum of 5 minutes. The moment the natural voiding reflex was triggered and the infant began to urinate, a midstream urine sample was directly caught into a sterile specimen container
Comparador Ativo: Arm 2: Traditional Urine Bag Method
Infants in this arm will undergo the current standard of care. A standard, sterile adhesive urine collection bag will be applied to the infant's perineal area. The patient will be monitored until natural voiding occurs into the bag
The current standard care method for urine collection in non-toilet-trained infants. The infant's perineal area is cleaned, and a standard, sterile pediatric adhesive urine collection bag is attached. The infant is then closely monitored in the emergency department until spontaneous natural voiding occurs into the bag.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Success Rate of the Bladder Stimulation Technique and Influencing Factors
Prazo: From the start of the stimulation maneuver until at least 1 cc of urine is obtained (maximum of 5 minutes)
The primary objective is to evaluate the percentage of successful urine collections, strictly defined as obtaining at least 1 cc (mL) of clean-catch midstream urine, achieved specifically by using bladder stimulation maneuvers (paravertebral massage and suprapubic tapping). Additionally, this outcome evaluates the clinical and demographic factors (e.g., patient age, gender, weight) that influence the success of this specific maneuver.
From the start of the stimulation maneuver until at least 1 cc of urine is obtained (maximum of 5 minutes)

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Effect on Emergency Department Waiting Time
Prazo: Up to 5 minutes for the bladder stimulation group, and until at least 1 cc of urine is obtained for the traditional bag group
To evaluate and compare the effect of both urine collection methods (the bladder stimulation technique versus the traditional adhesive bag) on the total waiting time in the emergency department, measured from the initiation of the procedure until at least 1 cc of urine is successfully obtained.
Up to 5 minutes for the bladder stimulation group, and until at least 1 cc of urine is obtained for the traditional bag group

Outras medidas de resultado

Medida de resultado
Descrição da medida
Prazo
Effect on Specimen Contamination Rates
Prazo: Up to 72 hours
To evaluate and compare the effect of both urine collection methods on the rates of urine culture contamination, in order to determine which method yields more reliable clinical samples.
Up to 72 hours

Colaboradores e Investigadores

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Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

1 de fevereiro de 2026

Conclusão Primária (Real)

30 de abril de 2026

Conclusão do estudo (Estimado)

15 de junho de 2026

Datas de inscrição no estudo

Enviado pela primeira vez

12 de junho de 2026

Enviado pela primeira vez que atendeu aos critérios de CQ

12 de junho de 2026

Primeira postagem (Real)

17 de junho de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

17 de junho de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

12 de junho de 2026

Última verificação

1 de junho de 2026

Mais Informações

Termos relacionados a este estudo

Outros números de identificação do estudo

  • IstabulMU-PED-AG-01

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

NÃO

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

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