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Rupture of pyogenic liver abscess.

OBJECTIVE
Our objective was to study the clinical manifestations, course, treatment, and results obtained in 23 patients with ruptured pyogenic liver abscess and compare these findings with those of nonruptured cases.


METHODS
Four hundred twenty-four patients with clinical diagnoses of pyogenic liver abscess were enrolled in the study. Among these, 23 patients had ruptured pyogenic liver abscess. The clinical manifestations, incidence of septic shock, laboratory findings, concurrent diabetes mellitus, etiology of abscess, and results of the treatment were recorded. Qualitative data were analyzed by chi 2 test, and quantitative data were analyzed by Student's t test.


RESULTS
Except for abdominal pain and septic shock, other symptoms, such as fever, chills, and jaundice, were similar in ruptured and nonruptured groups. Laboratory findings indicated that the group with ruptured liver abscess had higher levels of bilirubin, blood glucose, and aspartate aminotransferase than the non-ruptured group. Of the patients with ruptured abscess, 14 (60.9%) had diabetes mellitus and 15 (65.2%) were cryptogenic. Klebsiella pneumoniae was the bacteria most often isolated in both blood cultures and liver aspirates. Surgical intervention--draining the abscess and cleaning the abdominal cavity--was the only means of saving the patients' lives. The overall mortality rate was higher in this group (43.5%) than in the nonruptured group (15.5%).


CONCLUSIONS
Ruptured pyogenic liver abscess should be suspected if septic shock and diffuse abdominal pain are found in a patient with pyogenic liver abscess, concurrent with high levels of bilirubin, aspartate aminotransferase, and blood glucose. Surgery is the only treatment for this condition.