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pyogenic liver abscess

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https://www.readbyqxmd.com/read/27902401/involvement-of-camp-receptor-protein-in-biofilm-formation-fimbria-production-capsular-polysaccharide-biosynthesis-and-lethality-in-mouse-of-klebsiella-pneumoniae-serotype-k1-causing-pyogenic-liver-abscess
#1
Qin Ou, Jinming Fan, Dejian Duan, Xu Li, Jie Wang, Dongsheng Zhou, Huiying Yang, Bei Li
The global regulator cAMP receptor protein (CRP) has been shown to be required for the full virulence and/ or for the expression of virulence determinants in a wide set of bacterial pathogens. In this work, the crp mutant as well as the complemented mutant was constructed from a wild-type Klebsiella pneumoniae capsular serotype K1 strain causing the primary pyogenic liver abscess. The phenotypes of wild-type strain, crp mutant, and complemented mutant were characterized systematically. It was disclosed that K...
November 16, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27895128/characterization-of-the-pathogenicity-of-streptococcus-intermedius-tyg1620-isolated-from-a-human-brain-abscess-based-on-the-complete-genome-sequence-with-transcriptome-analysis-and-transposon-mutagenesis-in-a-murine-subcutaneous-abscess-model
#2
Noriko Hasegawa, Tsuyoshi Sekizuka, Yutaka Sugi, Nobuhiro Kawakami, Yumiko Ogasawara, Kengo Kato, Akifumi Yamashita, Fumihiko Takeuchi, Makoto Kuroda
Streptococcus intermedius is known to cause periodontitis and pyogenic infections in the brain and liver. Here we report the complete genome sequence of strain TYG1620 (genome size: 2,006,877 bp; GC content: 37.6%; 2,020 predicted ORFs) isolated from a brain abscess in an infant. Comparative genome analysis of S. intermedius genome sequences suggested that TYG1620 carries a notable type VII secretion system (T7SS), two long-repeat regions and 19 ORFs for cell-wall-anchored proteins (CWAPs). To elucidate genes responsible for the pathogenicity of TYG1620, transcriptome analysis was performed in a murine subcutaneous abscess model...
November 28, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27892720/association-between-chronic-pancreatitis-and-pyogenic-liver-abscess-a-nationwide-population-study
#3
Chih-Wei Tseng, Yu-Tso Chen, Cheng-Li Lin, Ji-An Liang
BACKGROUND: The relationship between chronic pancreatitis (CP) and subsequent pyogenic liver abscess (PLA) is not well understood. METHODS: We investigated the risk of PLA in patients with CP using inpatient claims data from the Taiwan National Health Insurance Program for the period 2000-2010, we identified 17,810 patients with chronic pancreatitis (CP group) and 71,240 patients without CP (non-CP group). Both cohorts were followed until a diagnosis of PLA, until they were censored from the study because of loss to follow-up, death, or termination of insurance, or until the study cut-off date of December 31, 2011...
November 28, 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27872770/herpes-simplex-virus-hepatitis-in-an-immunocompetent-host-resembling-hepatic-pyogenic-abscesses
#4
Carrie Down, Amit Mehta, Gayle Salama, Erika Hissong, Russell Rosenblatt, Michael Cantor, David Helfgott, Kristen Marks
Herpes simplex virus (HSV) hepatitis represents a rare complication of HSV infection, which can progress to acute liver failure and, in some cases, death. We describe an immunocompetent 67-year-old male who presented with one week of fever and abdominal pain. Computed tomography (CT) scan and magnetic resonance imaging (MRI) of the abdomen showed multiple bilobar hepatic lesions, some with rim enhancement, compatible with liver abscesses. Subsequent liver biopsy, however, revealed hepatocellular necrosis, HSV-type intranuclear inclusions, and immunostaining positive for herpes virus type 2 (HSV-2)...
2016: Case Reports in Hepatology
https://www.readbyqxmd.com/read/27854050/herpes-zoster-correlates-with-pyogenic-liver-abscesses-in-taiwan
#5
Shen Mei-Ling, Liao Kuan-Fu, Tsai Sung-Mao, Lin Ms Cheng-Li, Lai Shih-Wei
OBJECTIVE: The purpose of the paper was to explore the relationship between herpes zoster and pyogenic liver abscesses in Taiwan. METHODS: This was a nationwide cohort study. Using the database of the Taiwan National Health Insurance Program, there were 33049 subjects aged 20-84 years who were newly diagnosed with herpes zoster from 1998 to 2010 that were selected for our study, and they were our herpes zoster group. 131707 randomly selected subjects without herpes zoster were our non-herpes zoster group...
December 2016: BioMedicine
https://www.readbyqxmd.com/read/27780943/the-prevalence-of-colonic-neoplasm-in-cryptogenic-pyogenic-liver-abscess-a-prospectively-enrolled-cross-sectional-study
#6
Nae Yun Heo, Young Mi Hong, Tae Oh Kim, Young Soo Moon, Sung Yeun Yang, Seung Ha Park, Jongha Park, Joon Hyuk Choi, Sung Min Kim, Ki Tae Yoon, Mong Cho, Minkyung Oh
Background/Aims: Several studies suggest that pyogenic liver abscess (PLA) is associated with colon neoplasm. A colonoscopic exam for cryptogenic PLA might detect a hidden colon neoplasm, through which intestinal flora can be transmitted into the liver. However, there are no prospectively enrolled cross-sectional data for colonic neoplasm in cryptogenic PLA. Methods: Patients with PLA were prospectively enrolled from two university hospitals. Among them, all the patients with cryptogenic PLA were recommended for colonoscopic exam to check for colonic neoplasm...
October 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/27777630/the-emergence-of-klebsiella-pneumoniae-liver-abscess-in-non-diabetic-patients-and-the-distribution-of-capsular-types
#7
Chien Chuang, Wen-Chien Fan, Yi-Tsung Lin, Fu-Der Wang
BACKGROUND: Klebsiella pneumoniae is the most common pathogen of community-acquired pyogenic liver abscess in East Asia. Diabetes mellitus (DM) is a well-established risk factor for K. pneumoniae liver abscess (KPLA). However, reports regarding the emergence of KPLA in non-diabetic patients are limited. RESULTS: A total 230 patients with KPLA from a medical center in Taiwan were identified retrospectively. The rate of DM in patients with KPLA was 44.4 % in 2011, 57...
2016: Gut Pathogens
https://www.readbyqxmd.com/read/27775098/clinical-charateristics-and-outcome-of-pyogenic-liver-abscess-with-different-size-15-year-experience-from-a-single-center
#8
Zhao-Qing Du, Li-Na Zhang, Qiang Lu, Yi-Fan Ren, Yi Lv, Xue-Min Liu, Xu-Feng Zhang
The standard therapeutic protocols of pyogenic liver abscess (PLA) have not been well established yet. We investigated the clinical characteristics, disease progression, choices of treatments and outcomes of PLA with different size. 410 cases of patients with PLA were enrolled retrospectively from 2000 to 2014, and were grouped as small abscess (≤5 cm, n = 125), large abscess (5 cm to 10 cm, n = 218) and giant abscess (>10 cm, n = 36). The most common bacteria were Klebsiella pneumonia (22%) and Escherichia coli (11%) by pus culture, and Escherichia coli (36...
October 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27765437/pyogenic-liver-abscess-a-retrospective-study-of-105-cases-in-an-emergency-department-from-east-china
#9
Li Liu, Wanjun Chen, Xiaoye Lu, Keji Zhang, Changqing Zhu
BACKGROUND: Pyogenic liver abscesses have become common in emergency departments (EDs) in recent years in Shanghai, China due to a variety of risk factors contributory to the disease. OBJECTIVE: To review our experience in managing pyogenic liver abscesses to aid in the current management of this complex condition. METHODS: This retrospective study was conducted to collect and analyze information from adult patients diagnosed with liver hepatic abscesses who were admitted to Ren Ji Hospital during the period from January 1, 2010 to December 31, 2015...
October 17, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27759785/pyogenic-liver-abscess-diagnostic-and-therapeutic-management
#10
Otto Mauro Dos Santos-Rosa, Henrique Simonsen Lunardelli, Marcelo Augusto Fontenelle Ribeiro-Junior
Background: The pyogenic liver abscess has an incidence of 1.1/1,000 habitants. Mortality can reach 100%. The use of less invasive procedures diminish morbidity and hospital stay. Aim: Identify risk factors in patients who underwent percutaneous drainage guided by ultrasound as treatment. Method: Were analyzed 10 patients submitted to the method. Epidemiological characteristics, laboratory markers and imaging exams (ultrasound and CT) were evaluated...
July 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/27733320/patients-with-culture-negative-pyogenic-liver-abscess-have-the-same-outcomes-compared-to-those-with-klebsiella-pneumoniae-pyogenic-liver-abscess
#11
Vishal G Shelat, Qiao Wang, Clement Lk Chia, Zhongkai Wang, Jee Keem Low, Winston Wl Woon
BACKGROUND: Etiologic organism is not frequently isolated despite multiple blood and fluid cultures during management of pyogenic liver abscess (PLA). Such culture negative pyogenic liver abscess (CNPLA) is routinely managed by antibiotics targeted to Klebsiella pneumoniae. In this study, we evaluated the outcomes of such clinical practice. METHODS: All the patients with CNPLA and Klebsiella pneumoniae PLA (KPPLA) admitted from January 2003 to December 2011 were included in the study...
October 2016: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/27728413/forming-pyogenic-liver-abscess-in-an-immunocompetent-young-adult-male
#12
Gandhi P, Krishna Murthy A, Vasavilatha, Srinivas Rao B, Srinivasa Reddy Vc
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27728347/gas-forming-pyogenic-liver-abscess-in-an-non-diabetic-young-adult-male
#13
Erukulla Venkatesh
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27718321/biliary-diseases-as-main-causes-of-pyogenic-liver-abscess-caused-by-extended-spectrum-beta-lactamase-producing-enterobacteriaceae
#14
Shao-Hua Shi, Xiao-Ning Feng, Ming-Chun Lai, Hai-Shen Kong, Shu-Sen Zheng
BACKGROUND & AIMS: Little is known about aetiology and morbidity and clinical characteristics of pyogenic liver abscess caused by extended-spectrum beta-lactamase-producing Enterobacteriaceae. METHODS: An analysis between pyogenic liver abscess patients caused by extended-spectrum beta-lactamase-producing Enterobacteriaceae isolates and those caused by non-extended-spectrum beta-lactamase-producing Enterobacteriaceae was performed. RESULTS: Among 817 pyogenic liver abscess patients, there were 176 patients (21...
October 8, 2016: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/27712972/pyogenic-liver-abscess-current-status-and-predictive-factors-for-recurrence-and-mortality-of-first-episodes
#15
Matías E Czerwonko, Pablo Huespe, Santiago Bertone, Pablo Pellegrini, Oscar Mazza, Juan Pekolj, Eduardo de Santibañes, Sung Ho Hyon, Martín de Santibañes
BACKGROUND: In times of modern surgery, transplantation and percutaneous techniques, pyogenic liver abscess (PLA) has essentially become a problem of biliary or iatrogenic origin. In the current scenario, diagnostic approach, clinical behavior and therapeutic outcomes have not been profoundly studied. This study analyzes the clinical and microbiological features, diagnostic methods, therapeutic management and predictive factors for recurrence and mortality of first episodes of PLA. METHODS: A retrospective single-center study was conducted including 142 patients admitted to the Hospital Italiano de Buenos Aires, between 2005 and 2015 with first episodes of PLA...
October 3, 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/27693543/clostridium-difficile-a-rare-cause-of-pyogenic-liver-abscess
#16
Nurver Ulger Toprak, Gulcin Balkose, Deniz Durak, Ender Dulundu, Tolga Demirbaş, Cumhur Yegen, Guner Soyletir
Extra-intestinal infections due to Clostridium difficile have been reported rarely. Herein we report a case of pyogenic liver abscess from toxigenic C. difficile in an 80-year-old non-hospitalized woman with diabetes mellitus, cerebrovascular and cardiovascular diseases. The patient was admitted to the emergency department with fever and abdominal pain. There was no history of diarrhea or use of antibiotics. Laboratory parameters revealed signs of inflammation and elevated AST and ALT levels. Abdominal ultrasound and computer tomography showed multiple focal lesions in the bilateral liver lobes and hydropic gallbladder with stones...
September 28, 2016: Anaerobe
https://www.readbyqxmd.com/read/27671754/gastrectomy-is-associated-with-an-increased-risk-of-pyogenic-liver-abscess-a-13-year-nationwide-cohort-study
#17
Ming-Shian Tsai, Cheng-Li Lin, Long-Bin Jeng
Whether patients who have undergone gastrectomy are at a high risk of developing pyogenic liver abscess (PLA) remains debatable. From the inpatient claims records of Taiwan's National Health Insurance Research Database, we identified 33 834 patients with a history of 2000-2010 and135 336 controls without a history of gastrectomy. The 2cohorts were matched by age, sex, and admission year and followed-up until the end of 2011 for estimating the risk of PLA. Overall, the incidence of PLA was 3.5-fold higher in the gastrectomy cohort than in the control cohort (21...
September 27, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27630763/intra-abdominal-abscess-and-primary-peritonitis-caused-by-streptococcus-anginosus
#18
Huseyin Agah Terzi, Tayfur Demiray, Mehmet Koroglu, Guner Cakmak, Ihsan Hakki Ciftci, Ahmet Ozbek, Mustafa Altindis
INTRODUCTION: The Streptococcus anginosus group of bacteria are low-virulence bacteria existing as commensals in the oral flora and gastrointestinal tracts of humans. S. anginosus may spread to the blood in individuals with poor oral hygiene in cases of oral infections, such as gingivitis and tooth abscesses, that develop following the loss of mucosal unity. This may lead to infections in the whole body, primarily as brain and liver abscesses. CASE PRESENTATION: A 32-year-old male patient presented with complaints of nausea, vomiting, and diffuse abdominal pain...
June 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27614214/a-case-of-bacteroides-pyogenes-bacteremia-secondary-to-liver-abscess
#19
Jong Eun Park, So-Young Park, Dong Joon Song, Hee Jae Huh, Chang-Seok Ki, Kyong Ran Peck, Nam Yong Lee
Bacteroides pyogenes, a non-spore-forming, anaerobic, gram-negative rod, is a component of the oral flora of animals and has, on occasion, been reported to cause human infection through dog or cat bites. We report the first case of B. pyogenes bacteremia secondary to liver abscess with no history of an animal bite. The microorganism was identified by 16S rRNA sequencing.
September 8, 2016: Anaerobe
https://www.readbyqxmd.com/read/27550826/identification-of-a-capsular-variant-and-characterization-of-capsular-acetylation-in-klebsiella-pneumoniae-pla-associated-type-k57
#20
Chun-Ru Hsu, Chun-Hsing Liao, Tzu-Lung Lin, Han-Ru Yang, Feng-Ling Yang, Pei-Fang Hsieh, Shih-Hsiung Wu, Jin-Town Wang
Klebsiella pneumoniae can cause community-acquired pyogenic liver abscess (PLA). Capsular polysaccharide (CPS) is important for its virulence. Among 79 capsular (K) types discovered thus far, K57 is often associated with PLA. Here, we report the identification of a K57 variant. Cps gene locus sequencing revealed differences between the K57 reference strain 4425/51 (Ref-K57) and a variant, the PLA isolate A1142. While Ref-K57 cps contained orf13 encoding a putative acetyltransferase, the insertion of a putative transposase-encoding gene at this position was detected in A1142...
2016: Scientific Reports
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