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Liver abscess can be caused by bacterial, parasitic, or fungal infection. Amebic abscesses are more common, but pyogenic abscesses account for three quarters of hepatic abscess in developed countries. Most common pathogens of the pyogenic liver abscess are Escherichia coli, Klebsiella pneumoniae, Bacteroides, Enterococci, Streptococci, and Staphylococci. However, liver abscess caused by Salmonella species has rarely been reported. We experienced a case of Salmonella liver abscess which improved after antibiotic therapy and percutaneous drainage. The patient was 52 years-old man who had an episode of intermittent fever, chills and epigastric pain for 2 weeks. He was diagnosed as liver cirrhosis eight years ago and diabetes three years ago. Salmonella group D, non-typhi was cultured from blood and pus from the liver respectively at the same time. With percutaneous drainage and susceptible antibiotic therapy, liver abscess decreased in size with improvements in fever and abdominal pain.
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PMID:[A case of Salmonella liver abscess]. 1663 85

Diseases of the biliary tract can get complicated by infection. Endotoxin may theoretically be responsible for damage to the gall bladder due to its numerous pathophysiological effects. The aim of the present study was to detect and semi-quantitate the amount of endotoxin present in the bacteriologically positive bile samples and to correlate the endotoxin levels with the clinical profile of the patients. One hundred patients with gall bladder diseases and with infected bile constituted the population for investigation. The clinical profile included presence of fever, jaundice, abdominal pain and gall bladder stones. Endotoxin detection and semi-quantitation in the bile samples were carried out using the Limulus amoebocyte assay: Of 100 infected bile samples investigated, 9 samples (9%) were positive for endotoxin ranging from 1.9 EU/ml to 15 EU/ml. Four of them had Klebsiella pneumoniae, 2 had Acinetobacter anitratus and one each of the remaining 3 samples was positive for (i) Escherichia coli and Serratia marcescens (ii) Pseudomonas aeruginosa and (iii) Salmonella enteritidis. The stool sample of the patient with S. enteritidis in the bile also grew the same microorganism. Statistical analysis showed a significant increase in the presence ofjaundice (p<0.05) and abdominal pain (p<0.01) in the endotoxin positive patients compared to the endotoxin negative ones. Hitherto this is the first report that investigated the endotoxin levels in the bile of patients with gall bladder and biliary tract diseases, along with their biliary bacterial profile. Further research is warranted on the effects of endotoxin on gall stone formation.
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PMID:Estimation of endotoxin in infected bile from patients with biliary diseases. 1691 56

An 84-year-old woman was admitted to our hospital with high fever, and she suddenly complained of severe abdominal pain the next day. Computed tomography revealed a gas-containing abscess in the lateral segment of the liver, with spontaneous pneumoperitoneum. An emergency lateral segmentectomy was performed, and Klebsiella pneumoniae was cultured from the liver tissue, abscess, and blood. The patient made a satisfactory recovery and was discharged on the thirty-first postoperative day. Pneumoperitoneum caused by the rupture of a gas-containing liver abscess is rare, and to our best knowledge, this is the first report, in the English-language literature, of a patient who has undergone successful hepatectomy for such a condition.
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PMID:Pneumoperitoneum caused by ruptured gas-containing liver abscess. 1738 17

Pouch of Douglas aspirates were collected from 50 women with history and examination suggestive of acute pelvic inflammatory disease (PID) and 20 healthy women admitted for tubal ligation served as control. A total of 57 microorganisms were isolated from 37 patients out of 50 in study group. Of 37 positive cultures 21(56.7%) were monomicrobial and 16(43.2%) were polymicrobial. Most common symptom in study group was lower abdominal pain (90%), vaginal discharge (70%) and irregular bleeding (40%) and 30% patients had history of intrauterine contraceptive device (IUCD) implantation. The predominant aerobic isolates were Escherichia coli, Coagulase Negative Staphylococcus (CONS), Staphylococcus aureus, Klebsiella pneumoniae while common anaerobes were Bacteroides fragilis, Prevotella melaninogenica, Fusobacterium nucleatum and Peptostreptococcus spp. Our study shows that cefotaxime, cefuroxime and gentamicin may be used for gram negative aerobic bacilli; cloxacillin, cephaloridine and erythromycin for aerobic gram positive cocci and amikacin and ceftazidime for Pseudomonas aeruginosa. Thus for optimum therapy of acute PID it is beneficial to keep in mind major conceptual changes and therapeutic realities that have influenced current understanding of acute PID and have affected the choice of therapy.
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PMID:Role of anaerobes in acute pelvic inflammatory disease. 1764 17

We report a case of a 49-year-old male with a history of chronic alcoholism and evidence of a pancreatic pseudocyst on CT scanning. He presented with a 3-days history of fever, loss of appetite and upper abdominal pain. Blood cultures grew Klebsiella pneumoniae and he improved clinically with a seven-day course of intravenous co-amoxiclav and metronidazole. Two weeks later he was readmitted to hospital with impaired consciousness and septic shock, and died three days later in intensive care. Post mortem examination revealed bacterial meningitis and an infected pancreatic pseudocyst. Klebsiella pneumoniae was isolated from the pancreas and meninges.
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PMID:Community-acquired Klebsiella pneumoniae meningitis in an alcoholic patient with an infected pancreatic pseudocyst; a case report and review of literature. 1796 81

Xanthogranulomatous pyelonephritis and emphysematous pyelonephritis are two uncommon variants of pyelonephritis. The combined occurrence is very rare and has not been described in dialysis patients. We report a 78-year-old woman with end-stage renal disease receiving chronic hemodialysis who presented with a one-week history of vague abdominal pain. During the previous 4 months, she had experienced four episodes of urinary tract infection presenting with fever and pyuria which were improved by antibiotic therapy. The urine cultures yielded Klebsiella pneumoniae at all events. Abdominal computed tomography showed the right kidney replaced by multiple hypodense masses. A kidney biopsy demonstrated characteristic pictures of xanthogranulomatous pyelonephritis. Subsequent computed tomography showed gas bubbles formation in the right renal masses suggestive of emphysematous pyelonephritis. Because the patient refused surgical nephrectomy, percutaneous needle aspiration with prolonged antibiotic treatment was done. Follow-up computed tomography demonstrated dramatic regression of the renal mass. This case suggests that xanthogranulomatous pyelonephritis can be complicated by emphysematous pyelonephritis. Furthermore, the unique features in end-stage renal disease patients make the diagnosis of xanthogranulomatous pyelonephritis more difficult.
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PMID:Xanthogranulomatous pyelonephritis complicated by emphysematous pyelonephritis in a hemodialysis patient. 1818 27

We describe the case of a 62-year-old patient with fever and abdominal pain of the right upper quadrant with a known history of adenocarcinoma of the colon and presence of hepatic metastases. One of the liver lesions underwent aspiration, and pus was sent for microbiological testing. Cultures of the pus were positive for Klebsiella pneumoniae and Candida albicans and polymerase chain reaction for Mycobacterium tuberculosis was concurrently positive; the patient received treatment for all three pathogens and improved clinically. One may consider searching not only for the usual pathogens of liver abscesses (gram-negative bacteria, anaerobic bacteria and gram-positive bacteria), but in special cases might consider pursuing a more detailed search for coexistence of fungi and mycobacteria in patients with cancer.
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PMID:Concurrent M. tuberculosis, Klebsiella pneumoniae, and Candida albicans infection in liver metastasis of bowel carcinoma. 1829 6

An 82-year old, elderly woman who had been found to have myelodysplastic syndrome (MDS)-refractory anemia three years previously, complained of fever and abdominal pain, and was hospitalized. Abdominal CT images resulted in a diagnosis of renal subcapsular hematoma thus conservative treatment, including blood transfusions of platelet, was initiated. However, the hematoma enlarged, and she also had a spiking fever. After the hematoma was punctured and we drained an abscess caused by Klebsiella Pneumoniae, the hematomal legion subsided, and the inflammatory symptoms improved. There has been no recurrence for more than one year. This case is thought to be the first in which a renal subcapsular hematoma developed with MDS. Although the cause of the renal subcapsular hematoma has not yet been identified, the vulnerability due to aging of the small vessels along with a decrease in the number of platelets have been considered as contributing factors in this elderly case.
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PMID:[Renal subcapsular hematoma developed with an elderly myelodysplastic syndrome case]. 1844 99

Gas-forming pyogenic liver abscess (GPLA) is rare and is associated with a high mortality rate. It is commonly associated with underlying diabetes mellitus (DM). Gas formation occurs as a result of mixed acid fermentation within the abscess by formic hydrogenlyase, an enzyme produced by certain bacteria. Presentations can be nonspecific leading to a delay in diagnosis. Management includes urgent drainage of the abscess. We report three cases of GPLA as a result of Klebsiella spp. and Escherichia coli infections. All three patients had DM and were very sick at presentation. Diagnosis was delayed in one patient and this likely contributed to his death. Hospitalisations were prolonged. These cases highlight the need to consider GPLA in diabetic patients presenting with fever, abdominal pain, nonspecific symptoms or septic shock.
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PMID:Gas-forming pyogenic liver abscess. 1846 35

Simultaneous Klebsiella pneumoniae and amoebic liver abscess is rarely reported in immunocompetent patients. A 47-year-old man was hospitalized with abdominal pain, fever, chills, and hypotension. Physical examination revealed right upper quadrant tenderness. Abdominal computed tomography showed an area of low attenuation with some liquefaction in the liver. Echo-guided aspiration revealed 30 mL of pus, which grew Klebsiella pneumoniae, and the same organism was isolated from the blood. Cytology examination of the pus showed scattered amoeba. The patient gradually improved over 1 month on treatment with cefmetazole and metronidazole, along with repeated drainage of the abscess. His amoebic indirect hemagglutination titer was 1:128, but no parasite ova or amoeba were found in the stool. He had no evidence of immunocompromise. Parasitic diseases may be a predisposing factor for bacterial infections, including pyogenic liver abscess. The possible coexistence of amoebae and bacteria in a liver abscess should not be discounted.
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PMID:Simultaneous Klebsiella pneumoniae and amoebic liver abscess in an immunocompetent patient. 1848 Jun 55


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