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Hua Wu, Dongdong Li, Jing Wang, Yunfang Sun, Liyan Ye, Dingxia Shen
OBJECTIVE: To summarize the clinical and bacterial features of Klebsiella pnuemoniae liver abscess (KPLA) in order to provide the basis for the diagnosis and treatment of KPLA. METHODS: Retrospective study was conducted. One hundred and fifty-two medical records, from 3 teaching hospitals in Beijing, between January 2010 and December 2014, were collected. Among which 137 complete medical records were analyzed. String test was carried out to detect the hypermucoviscosity phenotype...
October 2015: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Ying Luan, Gui-Ling Li, Li-Bo Duo, Wei-Ping Wang, Cheng-Ying Wang, He-Guang Zhang, Fei He, Xin He, Shu-Juan Chen, Dan-Ting Luo
The present study aimed to investigate the regulatory mechanism of the AmpC enzyme by analyzing the construction and function of AmpCR, AmpE and AmpG genes in the Dhahran (DHA)‑1 plasmid of Klebsiella pneumoniae (K. pneumoniae). The production of AmpC and extended‑spectrum β‑lactamase (ESBL) were determined following the cefoxitin (FOX) inducing test for AmpC, preliminary screening and confirmation tests for ESBL in 10 DHA‑1 plasmid AmpC enzymes of K. pneumoniae strains. AmpCR, AmpD, AmpE and AmpG sequences were analyzed by polymerase chain reaction...
April 2015: Molecular Medicine Reports
Uma R Parekh, Selina Read, Vimal Desai, Arne O Budde
Fibrodysplasia ossificans progressiva (FOP), or Stone man syndrome, is rare and one of the most disabling genetic conditions of the connective tissue due to progressive extraskeletal ossification. It usually presents in the first decade of life as painful inflammatory swellings, either spontaneously or in response to trauma, which later ossify and lead to severe disability. Progressive spinal deformity including thoracolumbar kyphoscoliosis leads to thoracic insufficiency syndrome, increasing the risk for pneumonia and right sided heart failure...
October 2014: Journal of Anaesthesiology, Clinical Pharmacology
Yongxiang Song, Qinglian Li, Xue Liu, Yuchan Chen, Yun Zhang, Aijun Sun, Weimin Zhang, Jingren Zhang, Jianhua Ju
Three new cyclohexapeptides, desotamides B-D (2-4), and the known desotamide (1) were isolated from marine microbe Streptomyces scopuliridis SCSIO ZJ46. The sequences and absolute configurations of 2-4 were elucidated on the basis of high-resolution spectroscopic data, Marfey's method, and chiral-phase HPLC data. Desotamide C (3) contains a unique N-formyl-kynurenine residue, whereas 4 lacks formylation at the same site. Compounds 1 and 2 displayed notable antibacterial activities against strains of Streptococcus pnuemoniae, Staphylococcus aureus, and methicillin-resistant Staphylococcus epidermidis (MRSE), and structure activity relationship studies revealed the indispensability of the Trp component for antibacterial activity within this new scaffold...
August 22, 2014: Journal of Natural Products
Jasmeen S Dara, Liang Chen, Michael H Levi, Barry N Kreiswirth, Rebecca Pellett Madan
This manuscript reports the clinical, microbiological, and genetic characteristics of carbapenem-resistant K. pnuemoniae isolates from pediatric patients at a tertiary-care children's hospital. Although there is an extensive body of literature describing carbapenem-resistant Klebsiella infections in adults, pediatric data are comparatively limited.
March 2014: Journal of the Pediatric Infectious Diseases Society
Madhav Mondhe, Ashley Chessher, Shan Goh, Liam Good, James E M Stach
Broad-spectrum antimicrobials kill indiscriminately, a property that can lead to negative clinical consequences and an increase in the incidence of resistance. Species-specific antimicrobials that could selectively kill pathogenic bacteria without targeting other species in the microbiome could limit these problems. The pathogen genome presents an excellent target for the development of such antimicrobials. In this study we report the design and evaluation of species-selective peptide nucleic acid (PNA) antibacterials...
2014: PloS One
Yuan Lü, Yun Li, Feng Xue, Xiu-zhen Zhang, Yun-jian Hu, Yu-fen Jin, Yun-zhuo Chu, Zhi-dong Hu, Jian-hong Zhao, Shi-yang Pan, Wang-sheng Zhao, Bi-jie Hu, Yun-song Yu, Qiu-lian Deng, Jian Yang, Yan Li, Wen-en Liu, Xiao-ju Lü, Ya-Jing Yang, Ling Zhou, Fang Dong, Wei-ling Fu, Xiu-li Xu, Feng-yan Pei, Bin Yang, Ling Meng, Ping Ji, Shan Wang
OBJECTIVE: To investigate the resistance profiles and the trend of bloodstream-infecting pathogens isolated from hospitalized patients during 2004-2010. METHODS: The bloodstream isolates were collected from 18 hospitals in 17 cities. Minimum inhibition concentrations (MIC) were determined using the agar dilution method recommended by CLSI (Clinical and Laboratory Standards Institute), and susceptibility results were analyzed according to the 2011 CLSI guideline...
June 2013: Chinese Journal of Tuberculosis and Respiratory Diseases
A Puvanalingam, C Rajendiran, K Sivasubramanian, S Ragunanthanan, Sarada Suresh, S Gopalakrishnan
OBJECTIVES: To study the clinical profile of the H1N1 influenza cases attending government hospitals in South India and to study the impact of H1N1 infection on pregnancy outcome. MATERIALS AND METHODS: A total number of 442 H1N1 positive patients (198 inpatients and 244 outpatients) from two government hospitals in Chennai, Madras Medical College & Government General Hospital and Institute of Child Health, Egmore were studied retrospectively during a period of 6 months from August 2009 to January 2010...
January 2011: Journal of the Association of Physicians of India
Rudiwilai Samakoses, Detchvijitr Suwanpakdee, Veerachai Watanaveeradej, Pirangkool Kerdpanich
A 10 month-old female infant presented with one day of high fever with drowsiness and seizures. Physical examination showed meningeal irritation and mild cyanosis. The cerebrospinal fluid (CSF) profile revealed opening pressure of 27 cmH2O, closing pressure of 17 cmH2O, red blood cells 310 cells/microL, white blood cells 100 cells/microL of which 90 percents were lymphocytes, protein 391 mg/dl, sugar 0 mg/dL and blood sugar 74 mg/dl. Numerous gram positive diplococci were found on CSF Gram-stained smear. Bacterial meningitis was diagnosed and cefotaxime 300 mg/kg/day plus vancomycin 60 mg/kg/ day were given empirically...
November 2010: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
P L Lutsey, J S Pankow, A G Bertoni, M Szklo, A R Folsom
AIMS: Prospective studies have identified chronic inflammation as a risk factor for Type 2 diabetes. However, it is not known whether infection by specific pathogens or having a greater 'pathogen burden' is associated with diabetes. The aim of this study was to examine the cross-sectional relation of seropositivity to five pathogens (Chlamydia pneumoniae, cytomegalovirus, Helicobacter pylori, hepatitis A virus, herpes simplex virus) and prevalent diabetes. METHODS: Baseline data from a random sample of MultiEthnic Study of Atherosclerosis (MESA) participants (n = 1000; age 45-84 years) were used...
February 2009: Diabetic Medicine: a Journal of the British Diabetic Association
Gita Satpathy, Anil Bhan, Anjana Sharma, U K Kar
BACKGROUND & OBJECTIVE: Association of Chlamydia pneumoniae with atherosclerosis and coronary artery disease is debated. Increased antibody levels against C. pneumoniae in patients with coronary artery disease is widely reported. Direct evidence would be demonstration of C. pneumoniae, its antigen or genome in the diseased arterial tissue. This study was thus conducted to look for antigen or genome of C. pneumoniae in coronary artery specimens from patients with coronary artery disease along with serology...
November 2008: Indian Journal of Medical Research
Dewan S Billal, Muneki Hotomi, Masaki Suzumoto, Kazuma Yamauchi, Jun Arai, Toshiki Katsurahara, Satomi Moriyama, Keiji Fujihara, Noboru Yamanaka
The appropriate clinical applications of pneumococcal polysaccharide vaccines against recent increases in antimicrobial resistant Streptococcus pneumoniae (S. pneumoniae) urgently require accurate analytical methodologies for determining and characterizing the serotypes. The results of current immunological determinations of serotypes with anti-capsular polysaccharide-specific sera are difficult to interpret in terms of quellung changes of the pneumococci. In this study, we applied the multiplex PCR technique for the rapid identification of pneumococci and simultaneous rapid determinations of their serotypes and genotypes that directly correlated with antimicrobial susceptibilities from nasopharyngeal secretions (NPS)...
April 2008: European Journal of Pediatrics
Supriya S Tankhiwale, Suresh V Jalgaonkar, Sarfraz Ahamad, Umesh Hassani
BACKGROUND & OBJECTIVES: Urinary tract infection (UTI) remain the common infections diagnosed in outpatients as well as in hospitalized patients. Current knowledge on antimicrobial susceptibility pattern of uropathogens is mandatory for appropriate therapy. Extended spectrum beta lactamases (ESBL) hydrolyse expanded spectrum cephalosporins like ceftazidime, cephotaxime which are used in the treatment of UTI. ESBL producing bacteria may not be detectable by routine disk diffusion susceptibility test, leading to inappropriate use of antibiotics and treatment failure...
December 2004: Indian Journal of Medical Research
Gen-ichi Tanaka, Yasuhiro Nagatomo, Yasufumi Kai, Mikitaro Matsuyama, Masayuki Kuroki, Takashi Sasaki, Koichi Murai, Akihiko Okayama, Hirohito Tsubouchi
Mycoplasma pneumoniae (M. pneumoniae) pneumonia is a common disease which usually shows a good prognosis, however, it can develop a very serious state such as respiratory distress syndrome. We experienced 2 cases with M. pneumoniae pneumonia from identical twin sisters. Case 1, who was 22 years-old and was the senior sister of the twin, complained of fever and cough on August 1st, 1999. Her chest radiograph revealed consolidation in the right lung. When she was admitted to our hospital on August 11, she revealed severe hypoxemia and the titer to M...
December 2002: Kansenshōgaku Zasshi. the Journal of the Japanese Association for Infectious Diseases
N Tabassum, A Ahmed
OBJECTIVE: A retrospective study to determine the antibiotic resistance pattern seen in respiratory tract pathogens. MATERIALS AND METHODS: All sputum samples received during one year period (2000) were cultured by standard laboratory technique and antibiotic sensitivity was performed by Kirby Bauer disc method. RESULT: A total of 238 respiratory pathogens were isolated. All three isolates (Haemophilus influenzae, Streptococcus pnuemoniae and Moraxella catarrhalis) were highly resistant against Trimethoprim Sulfamethoxazole...
February 2002: JPMA. the Journal of the Pakistan Medical Association
L Richeldi, G Ferrara, L M Fabbri, P G Gibson
BACKGROUND: Asthma is a chronic disease of the airways in which inflammation of the respiratory mucosa plays a crucial role. The mechanisms responsible for the maintaining of this inflammatory response are only partially known and there is evidence that a role could be paid by chronic infection by intracellular pathogens (such as Chlamydia pneumoniae). Macrolides are antibiotics with both antimicrobial and anti-inflammatory activities and thus their use in asthmatic patients could lead to reduction of the airways inflammation and therefore improvement of symptoms and pulmonary function...
2002: Cochrane Database of Systematic Reviews
K Ahmed, G Martinez, S Wilson, R Yoshida, R Dhar, E Mokaddas, S Kohno, V O Rotimi, T Nagatake
Penicillin-resistant Streptococcus pneumoniae (PRSP) is widespread all over the world, including countries previously free of PRSP. This study was undertaken to determine the prevalence, the common serotypes and the clonality of PRSP isolated over a period of 1 year, from various clinical samples from three major hospitals in Kuwait. Strains were identified by standard methods and their antibiotic susceptibility was determined by the agar dilution method. The clonality of the isolates was determined by repetitive extragenic palindromic sequence polymerase chain reaction (REP-PCR) genomic profiling and pulsed field gel electrophoresis (PFGE)...
December 2000: Epidemiology and Infection
K Bush, M Macielag
Recently, several new drugs for the treatment of bacterial infections have been developed. Quinupristin/dalfopristin, moxifloxacin and gatifloxacin have been approved throughout the world for clinical use. Levofloxacin has been approved for the treatment of community-acquired pneumonia caused by penicillin-resistant Streptococcus pnuemoniae. The Food and Drug Administration has approved linezolid for clinical use, and new drug applications for gemifloxacin and telithromycin were filed. Other new targets have surfaced in the quest for novel antibacterial agents...
August 2000: Current Opinion in Chemical Biology
M L Arias, R Monge, F Antillón, C Chávez
Enteral feeding is the most common and preferred modality for providing nutritional support to hospital patients with a functional gastrointestinal tract that can not satisfy their nutritional requirements. Nevertheless, enteral feeding may be an important cause of bacterial infection. The aim of this study was to evaluate the microbial contamination level of enteral feedings distributed in Costa Rican hospitals. A total of 124 samples of enteral feeding, coming from five different hospitals from San José, Costa Rica, were evaluated during the second semester of 1997 and first of 1998 for the presence and identification of total and fecal coliforms, Pseudomonas sp...
December 1999: Archivos Latinoamericanos de Nutrición
L Cao, M Wang, X Wu
OBJECTIVE: To evaluate sputum culture and serology for detection of chlamydia pneumoniae (C. pneumoniae) in adult patients with acute respiratory tract infection and normal subjects. METHODS: Microimmunoflorescence (micro-IF) test for IgG and IgM antibodies to C. pneumoniae specific antigen was performed in every subject. Thirty-seven patients also had sputum HEP-2 cell culture tested for C. pneumoniae. RESULTS: Twenty-six patients (29.7%) with micro-IF IgG titres equal to or greater than 1:512 or/and IgM titres equal to or greater than 1:32 indicated recent infection...
April 1997: Chinese Journal of Tuberculosis and Respiratory Diseases
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