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PubMed1995

Observer variability in the process of medical care for amebic liver abscess.

The objectives of this study were to evaluate the degree of concordance between specialists (physicians) in relation to the process of medical care of patients with amebic liver abscess and to elaborate a model that contains the minimum elements considered as indispensable for the diagnosis, treatment and follow-up of an illness, based on the consensus of physicians that usually treat these patients. The design of the study was a comparative survey. Twenty eight specialists (physicians) were interviewed (nine infectologists, two gastroenterologists, six internists and eleven general surgeons) affiliated with second and third level hospitals (medical centers) of the Instituto Mexicano del Seguro Social (Mexican Institute of Social Security) located in the southern part of Mexico City. A three-part structured questionnaire was applied: the first part consisting of 57 questions focused on the diagnosis, the second corresponded to treatment and consisted of 16 questions and the third part referred to follow-up and included five questions. The agreement among the internists for the overall process (diagnosis+treatment) was the highest (kappa (k) = 0.64), followed by the surgeons (k = 0.63) and the infectologists (k = 0.49); the difference among these three groups of specialists was considered statistically significant (p = 0.001). When the therapeutic process was analyzed in separated form, this same statistical difference was sustained, which on the other hand was not identified for the diagnosis and follow-up processes. When comparing each group, the degree of agreement obtained from the members of each group did not express statistically significant differences.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1995

Pyogenic liver abscesses: 13 years of experience in percutaneous needle aspiration with US guidance.

PURPOSE: To determine the efficacy of percutaneous needle aspiration (PNA) with antibiotic therapy in treatment for pyogenic liver abscess (PLA). MATERIALS AND METHODS: One hundred fifteen patients (59 male; 56 female; age range, 16-86 years; mean age, 45.3 years) with 147 PLAs (mean diameter, 6.8 cm; range, 3-16 cm) underwent PNA with ultrasound (US) guidance and antibiotic therapy. Needle caliber (22-16 gauge) was tailored to PLA volume. If necessary, PNA was repeated every 3-7 days. RESULTS: Three hundred one PNAs were performed (range, 1-4 per patient; mean, 2.2 per patient). A single puncture was sufficient in 57 patients. Cure (normalization of clinical and laboratory parameters and resolution of hepatic lesions) was achieved in 113 patients (98.3%). Two patients with large PLAs required surgery. Patients were hospitalized 7-24 days (mean, 9 days). In the last eight patients, all abscesses were evacuated in one session. Neither complications nor deaths ensued. Recurrence of PLA was not observed in any patient during follow-up (6-36 months). CONCLUSION: US-guided PNA with antibiotic therapy in treatment for PLA is a valid alternative to prolonged catheter drainage.

Anti-Bacterial Agents↗
PubMed1983

Progesterone-induced amoebic liver abscess in guinea-pigs--a new model.

An experimental model of hepatic amoebiasis in guinea-pigs, simulating the natural infection in man, induced by progesterone following intracaecal inoculation of Entamoeba histolytica has been developed. On Day 3 after infection, 60% of the animals developed amoebic liver abscess, but on Days 7, 11, 15, 20 and 35 after infection liver involvement was recorded in all the animals. No animal in the control group developed hepatic amoebiasis. Severity and frequency of caecal lesions was greater in the control groups than in the experimental group receiving progesterone injections. The antiamoebic antibody levels were slightly higher in the experimental group as compared to the control group.

Animals↗
PubMed1990

[Surgical treatment of amebic liver abscess].

Results of surgical treatment of hepatic amebic abscess in three hospitals during last three years are presented. Seventy four percent of patients admitted with complications of amebiasis have liver abscess. Of them 22% require surgical treatment and mortality is 8%. Nineteen years ago the amount of patients admitted with amebic complications was greater and a larger number of patients were operated; however mortality has not changed.

Combined Modality Therapy↗
PubMed2006

Randomized, single-blind, placebo-controlled multicenter trial to compare the efficacy and safety of metronidazole and satranidazole in patients with amebic liver abscess.

The aims of our randomized, single-blind trial involving 49 patients were to study the efficacy, side effects, and tolerance of metronidazole and satranidazole in patients of amebic liver abscess. Twenty-five patients received metronidazole (800 mg TID) and 24 received satranidazole (300 mg TID with placebo at mealtime). Patients recorded side effects and tolerability through a performa. The time taken for resolution of fever and pain and the fall in abscess size was not significant. However, tolerance of satranidazole as reported by the patients was significantly better than metronidazole (P < .005). The incidence of adverse effects was significantly lower in the group given satranidazole (P < .005). The incidence of nausea and metallic taste was significantly lower in the patients given satranidazole (P < .005). Thus, despite having a similar efficacy, satranidazole showed a far lower incidence of side effects and had a significantly better tolerance than Metronidazole.

Adult↗
PubMed2006

Liver abscess caused by Edwardsiella tarda biogroup 1 and identification of its epidemiological triad by ribotyping.

Two clinical isolates and an environmental isolate of Edwardsiella tarda biogroup 1 (ETB1), recovered from liver pus, the stool specimen and from the pond water of the village of the patient, diagnosed to have liver abscess, were found to be identical by protein fingerprinting and ribotyping. It can be construed that the pond water served as the source of infection. The epidemiological triad of the agent (ETB1), host (the patient) and environment (pond water) was thus established. This is the first report in which the triad for extraintestinal Edwardsiellosis caused by ETB1 has been identified. This also constitutes the first report of typing of ETB1 strains by SDS-PAGE and ribotyping.

Adult↗
PubMed2005

Streptococcus intermedius liver abscesses and colon cancer: a case report.

Certain species of bacteria are known to be associated with colorectal cancer. We report a case of adenocarcinoma of the colon with bacteraemia and liver abscesses due to Streptococcus intermedius. The isolation of this organism should prompt investigation for colorectal neoplasm, which may be present but asymptomatic, without metastases, and therefore at a curative stage.

Anti-Bacterial Agents↗
PubMed1977

Tinidazole in treatment of amoebic liver abscess in children.

Tinidazole as a single drug therapy given in a single dose daily for 5 or 3 days was put to rigorous test in malnourished children. Of 25 children with amoebic liver abscess, 23 were cured. The 2 remaining cases required surgical drainage followed by other amoebicides, one subsequently dying from complicating bronchopneumonia.

Child↗
PubMed1977

Demonstration of a liver abscess by ERC.

In a patient with septic fever and elevated alkaline phosphatase an ERC was conducted to explore the biliary system. Contrast media could be demonstrated within the hepatic parenchyma, establishing the diagnosis of a liver abscess in communication with the intrahepatic biliary system.

Adult↗
PubMed2000

[Successful allogeneic bone marrow transplantation following fungal liver abscess treatment in a patient with chronic myeloid leukemia in blastic crisis].

A 40-year-old man was diagnosed as having chronic myeloid leukemia (CML) in December 1990 and received busulfan and hydroxyurea. He developed myeloid blast crisis in February 1996. After DCMP combination chemotherapy, his disease reverted to chronic phase, but right hypochondrial pain developed and low-grade fever persisted. Abdominal CT scan revealed multiple low-density areas in the liver, suggestive of abscess formation. Grocott staining of a liver biopsy sample revealed granuloma and fungus. The patient was treated with intravenous amphotericin B (AMPH-B) without success. AMPH-B was then administered via a catheter placed in the portal vein on January 6, 1997, and an additional catheter placed in the hepatic artery on March 28. AMPH-B was administered through both catheters for more than two months, but later substituted by fluconazole because of renal impairment. On September 10, allogeneic bone marrow transplantation from the patient's HLA-identical brother was performed, despite persistence of the abnormal CT findings. Acute grade III GVHD developed, but there was no evidence of reactivation of the liver abscesses. This case demonstrates that a prior fungal liver abscess is not an absolute contraindication for BMT if prophylactic antifungal drugs are administered and careful observation is conducted.

Adult↗
PubMed2006

Case report: brain and liver abscesses caused by oral infection with Streptococcus intermedius.

Organ abscesses are a rare and life-threatening complication mostly of hematogenously disseminated infections. We report a case of brain and liver abscesses. Identification of the lesions was made by contrast-enhanced computed tomography (CT) and magnetic resonance imaging (MRI), respectively. An oral examination comprised an oral focus of infection. Streptococcus intermedius was isolated from oral smear, liver and ventricular drainage, and blood sample. After the commencement of antibiotic therapy, drainage of abscesses and oral rehabilitation, complete recovery was noted.

Adult↗