This study will evaluate the use of RightBio Metrics' RightSpot device used to determine if there is proper placement of a nasogastric or orogastric tube.
Primary objective: To assess the level of accuracy of the RightSpot pH Indicator in determining correct placement of NG/OG tubes as compared to the gold standard of CXR in Emergency Department \& ICU patients. Hypothesis 1: In greater than 90% of the cases, RightSpot pH Indicator will be successful in confirming the placement of NG/OG tubes by demonstrating a pH of 4.5 or less in patients with CXR proven tube placement. Hypothesis 2: The time to confirmation of NG/OG tube placement will be significantly less using the RightSpot pH Indicator than using CXR. The time will be calculated by the start time consisting of the time that the NG/OG tube was placed until the end time, which will be when the device pH Indicator testing is performed. The time to confirmation using the gold standard of a CXR will begin when the NG/OG tube is placed and end when the CXR is available on PACS (picture archiving and communication system). Secondary objective: To determine via subgroup analysis whether gross blood in the stomach, presence of acid-reducing medications, or trauma affects the accuracy of NG/OG placement determination by the RightSpot pH Indicator.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
30
The RightSpot pH Indicator device is used to confirm proper placement of all types of gastric tubes used for gastric rest, suction, or medicating/feeding by measuring the pH of stomach aspirate. This device is intended for 1 (one) SINGLE USE. The probability of proper placement is higher when the pH is less than or equal to 4.5 and if aspirate has a typical gastric fluid appearance (grassy green, brown, colorless- with possible shreds of off-white mucus or sediment).
Chest radiograph will be taken after tube placement to verify proper positioning of the nasogastric or orogastric tube.
Tampa General Hospital
Tampa, Florida, United States
RECRUITINGDetermination of proper placement of ng/og tube
The pH will be assessed by visual inspection of pH paper within the device. If the pH is noted to be less than 4.5 then the placement will be considered to be within the stomach.
Time frame: Participants will be followed until the determination of proper placement of the ng/og tube is made. This is anticipated to be less than 3 hours.
Confounding factors for using the RightSpot pH Indicator
A subgroup analysis will be done to determine whether gross blood in the stomach, presence of acid-reducing medications, or trauma affects the accuracy of NG/OG placement determination by the RightSpot pH Indicator.
Time frame: Participants will be followed until the determination of proper placement of the ng/og tube is made. This is anticipated to be less than 3 hours.
Time to confirmation of tube placement
The time to verification of tube placement will be measured for both chest radiograph and use of RightSpot pH Indicator.
Time frame: Participants will be followed until the determination of proper placement of the ng/og tube is made. This is anticipated to be less than 3 hours.
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