DEN open · 2024
Noninvasive rapid urinary trypsinogen-2 dipstick test for early exclusion of post-endoscopic retrograde cholangiopancreatography pancreatitis within hours after endoscopic retrograde cholangiopancreatography: Clinical diagnosis and considerations.
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Hama Kazuki, Sofuni Atsushi, Nakatsubo Ryosuke, Tsuchiya Takayoshi, Tanaka Reina, Tonozuka Ryosuke, Mukai Shuntaro, Yamamoto Kenjiro, Katanuma Akio, Itoi Takao
Аннотация
OBJECTIVE: Few reports have explored the application of urinary trypsinogen-2 measurement in the early diagnosis of post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis, and none have demonstrated the benefits of noninvasive testing. This study aimed to evaluate the clinical application of the rapid urinary trypsinogen-2 dipstick test (Nipro, Japan) compared with serum amylase and lipase levels for the early diagnosis of post-ERCP pancreatitis (PEP).
METHODS: A total of 100 consecutive patients (54 men and 46 women) who were admitted and underwent ERCP at Tokyo Medical University Hospital from August 2021 to December 2021 were recruited. All patients underwent rapid urinary trypsinogen-2 measurement using the dipstick test before and after ERCP. Measurements were taken 24 h before ERCP for pre-ERCP and 1-4 h after ERCP for post-ERCP. Additionally, serum amylase and lipase levels were measured at 8:00 a.m. of the day after ERCP (at least 8 h after ERCP), and their diagnostic abilities for PEP were compared and evaluated.
RESULTS: PEP occurred in 5/100 patients (5%). The sensitivity, specificity, positive predictive value, and negative predictive value of the dipstick test for diagnosing PEP were 100%, 83.2%, 23.8%, and 100%, respectively. These results were comparable to the diagnostic performance of serum amylase and lipase levels at 8:00 a.m. on the day after ERCP (at least 8 h after ERCP). However, false positives must be considered.
CONCLUSION: The dipstick test may be useful in clinical practice as a noninvasive screening test for the early prediction of PEP.
METHODS: A total of 100 consecutive patients (54 men and 46 women) who were admitted and underwent ERCP at Tokyo Medical University Hospital from August 2021 to December 2021 were recruited. All patients underwent rapid urinary trypsinogen-2 measurement using the dipstick test before and after ERCP. Measurements were taken 24 h before ERCP for pre-ERCP and 1-4 h after ERCP for post-ERCP. Additionally, serum amylase and lipase levels were measured at 8:00 a.m. of the day after ERCP (at least 8 h after ERCP), and their diagnostic abilities for PEP were compared and evaluated.
RESULTS: PEP occurred in 5/100 patients (5%). The sensitivity, specificity, positive predictive value, and negative predictive value of the dipstick test for diagnosing PEP were 100%, 83.2%, 23.8%, and 100%, respectively. These results were comparable to the diagnostic performance of serum amylase and lipase levels at 8:00 a.m. on the day after ERCP (at least 8 h after ERCP). However, false positives must be considered.
CONCLUSION: The dipstick test may be useful in clinical practice as a noninvasive screening test for the early prediction of PEP.