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  • Title: Solitary and multiple pyogenic liver abscesses: characteristics of the patients and efficacy of percutaneous drainage.
    Author: Tazawa J, Sakai Y, Maekawa S, Ishida Y, Maeda M, Marumo F, Sato C.
    Journal: Am J Gastroenterol; 1997 Feb; 92(2):271-4. PubMed ID: 9040204.
    Abstract:
    OBJECTIVES: Although percutaneous drainage has emerged as one of the first line of therapies for pyogenic liver abscesses, the presence of multiple abscesses may warrant surgical drainage, which remains controversial in the literature. We studied whether the multiplicity of the lesions influences the outcome of the treatment. METHODS: Ultrasonography-guided percutaneous drainage was carried out in 48 patients with pyogenic liver abscesses. The abscesses were solitary in 38 patients and multiple (two to seven lesions) in 10 patients. Clinical characteristics and the efficacy of the treatment were compared between these two groups. RESULTS: Biliary diseases and malignancies were more frequently observed in the solitary cases than multiple cases. A past history of surgery for cholelithiasis was seen exclusively in the multiple cases. E. coli was more frequently cultured from the abscesses in the multiple cases. Three of the multiple cases required more than a single catheter. All of the multiple cases and 36 of the 38 solitary cases were successfully treated. Two patients died of biliary peritonitis as a complication of the procedure, and three died of other underlining diseases. CONCLUSION: Ultrasonography-guided percutaneous drainage is effective even in patients with multiple pyogenic liver abscesses by adding catheters to obtain sufficient drainage.
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