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Nasointestinal tube placement with a pH sensor feeding tube
D E Heiselman1, R R Vidovich, G Milkovich
1Akron General Medical Center, OH 44307.
Insights
A new pH sensor feeding tube accurately confirms placement in 87.5% of cases, reducing delays and costs. This method offers a reliable alternative to radiography for verifying enteral tube placement in intensive care units.
Area of Science:
- Medical Devices
- Gastroenterology
- Critical Care Medicine
Background:
- Radiographic confirmation of enteral feeding tube placement is costly and delays nutrition therapy.
- Accurate and timely verification of tube placement is crucial for patient care.
Purpose of the Study:
- To evaluate a novel enteral feeding tube with an integrated pH sensor for immediate placement verification.
- To compare pH-based placement assessment with traditional radiographic confirmation.
Main Methods:
- Insertion pH measurements were taken from 24 intensive care unit patients requiring enteral feeding tubes.
- Tube placement was verified using radiography and compared against pH profile predictions.
- Statistical analysis, including Fisher's Exact Test, was used to assess accuracy and the impact of histamine blockers.
Main Results:
- The pH sensor accurately predicted tube placement in 87.5% (21 of 24) of cases when compared to radiography.
- The accuracy of the pH sensor was not significantly affected by the concomitant use of histamine blockers (p > 0.05).
Conclusions:
- Enteral feeding tubes with pH sensors offer a reliable and immediate method for verifying tube placement.
- This pH-based verification can eliminate the need for radiographic confirmation, reducing costs and expediting the initiation of enteral nutrition.
- The technology shows promise for improving enteral feeding practices in critically ill patients.
Abstract:
Radiographic confirmation of enteral feeding tube placement is a common practice representing considerable expense and causing delay in the initiation of enteral nutrition therapy. We evaluated an enteral feeding tube with a pH sensor, which allows immediate verification of the location of the tube by assessment of the pH upon insertion. Insertion pHs were obtained for 24 intensive care unit patients requiring feeding tube placement. Placement was verified radiographically and compared with expected location on the basis of the pH profile. The radiograph and the insertion pH profile were in agreement in 87.5% (21 of 24) of the cases. Concomitant use of histamine blockers did not affect the ability of the pH sensor to detect placement accurately (Fisher's Exact Test, p 5.71) Use of these pH measurements eliminates the need for radiographic documentation of placement, provides a savings for the patient, and may be beneficial in promoting enteral feedings in critically ill patients.