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Int J Pancreatol. 1997 Dec;22(3):201-6.

Failure of the Hong Kong criteria to predict the severity of acute pancreatitis.

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  • 1Department of Surgery, Prince of Wales Hospital, Chinese University of Hong Kong, Shatin, New Territories, Hong Kong.

Abstract

CONCLUSION:

The results of the present study demonstrate that the HK criteria do not provide effective prediction of severity.

BACKGROUND:

Fan et al. (1) have reported previously that a blood urea (BU) > 7.4 mmol/L and/or glucose (BG) > 11 mmol/L at the time of admission to hospital detects a severe attack of acute pancreatitis with a sensitivity of 76% and specificity of 75%. However, a similar study conducted in the West of Scotland did not confirm these findings (sensitivity 33% and specificity 83%). The reason underlying this discrepancy in prediction is unclear, but it may be because of differences in the nature of acute pancreatitis between Asian and Western populations.

AIMS:

In this study we examined the predictive ability of the Hong Kong (HK) criteria in a patient population similar to that studied by Fan et al.

PATIENTS AND METHODS:

A consecutive series of 130 patients experienced 135 attacks of acute pancreatitis. One-hundred-and-four (77%) attacks were mild and 31 (23%) severe (including 12 [9.0%] deaths). Eighty-nine (66%) episodes had a biliary etiology. In 19 (14%) of these episodes, the gallstones had a primary ductal origin being associated with recurrent pyogenic cholangitis.

RESULTS:

Median admission BU concentrations were 5.2 mmol/L (range 3.6-32.1 mmol/L) for the mild group and 7.6 mmol/L (range 3.6-28.8 mmol/L) for the severe group. Corresponding values of BG were 7.1 mmol/L (range 2.1-17.9 mmol/L) and 8.4 mmol/L (range 3.6-28.8 mmol/L), respectively. Differences in admission BU concentrations between patients with mild and severe episodes were significant (p = 0.0001). However, differences in BG concentrations were not (p = 0.16). In the severe group, 14 patients had BU and four patients BG concentrations above the cut-off values. The HK criteria predicted severe acute pancreatitis with a sensitivity of 52% and specificity of 80%. These results compare with values of 79 and 56% for the Ranson criteria and 83 and 60% for the Glasgow score. The best prediction was provided by the APACHE II score 24 h post admission (sensitivity 79%, specificity 82%).

PMID:
9444551
[PubMed - indexed for MEDLINE]
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