Pediatric Surgery International

, Volume 30, Issue 4, pp 381–385 | Cite as

Proton pump inhibitors for reflux therapy in infants: effectiveness determined by impedance pH monitoring

  • Christoph CastellaniEmail author
  • Andrea Huber-Zeyringer
  • Gerhard Bachmaier
  • Amulya K. Saxena
  • Michael E. Höllwarth
Original Article



To evaluate the influence of proton pump inhibitors (PPI) in predominantly milk-fed infants with symptoms of GERD by 24-h pH-multichannel intraluminal impedance (24-h pH-MII).


Ten infants (8 males and 2 females) with a mean gestational age of 39 weeks (28–40) were included. 24-h pH-MII was performed before prescription and during intake of PPI. Total acid exposure time, bolus exposure time (acidic/non-acidic/total) and the number of refluxes (acidic/non-acidic/total) were determined. Clinical symptoms were recorded and used to calculate the Reflux Symptom Index (RSI) and the Symptom Severity Index (SSI).


There was a significant decrease in the number of acidic refluxes, total acid exposure and acidic bolus exposure time. However, this went along with a significant increase in non-acidic bolus exposure time. The total number of refluxes and the total bolus exposure time remained unchanged. Under PPI, a decrease of SSI and RSI for pain-related symptoms could be observed. For respiratory symptoms and vomiting however no significant changes could be demonstrated.


Under PPI, an improvement of pain-related symptoms could be shown. The decrease of acid exposure went along with an increase of non-acidic refluxes resulting in almost constant total reflux numbers. This finding is interpreted as main reason for some persisting symptoms despite adequate PPI dosage. Concluding from our data PPI therapy should only be indicated in case of pain, but has no effect in case of vomiting or recurrent respiratory symptoms.


Reflux GERD Infants PPI Impedance Vomiting 


Conflict of interest

None of the authors has any financial disclosure or conflict of interest.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Christoph Castellani
    • 1
    Email author
  • Andrea Huber-Zeyringer
    • 1
  • Gerhard Bachmaier
    • 2
  • Amulya K. Saxena
    • 1
  • Michael E. Höllwarth
    • 1
  1. 1.Department of Pediatric and Adolescent SurgeryMedical University GrazGrazAustria
  2. 2.Department of Informatics, Statistics and DocumentationMedical University GrazGrazAustria

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