Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: UMLS:C0036690 (sepsis)
59,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This study was undertaken to determine whether the terminal complement components (C3-9) are involved in the nonimmune host defense against Haemophilus influenzae type b septicemia and meningitis. Using cobra venom factor, infant rats were depleted of C3 and C5. After intranasal challenge with H. influenzae type b, the complement-depleted rats developed a greater incidence and magnitude of bacteremia and a higher mortality rate. In contrast to the effects on bacteremia, complement depletion did not directly influence either the occurrence of meningitis or bacterial multiplication within the cerebrospinal fluid. These experiments provide evidence that the complement system may be an important mechanism of natural immunity to H. influenzae type b.
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PMID:Participation of complement in the nonimmune host defense against experimental Haemophilus influenzae type b septicemia and meningitis. 108 32

Pharmacokinetic, bacteriological and clinical studies were performed on panipenem/betamipron (PAPM/BP) in children. The results are summarized as follow: 1. Twelve patients with various bacterial infectious diseases were treated with PAPM/BP. Each dose was 20 mg/20 mg/kg, administered 3 times daily, in 30-minute intravenous drip infusion. Treatments were continued for 5-22 days. Clinical efficacies of PAPM/BP in 12 patients with bacterial infections (1 with suspected sepsis, 5 with pneumonia, 1 with acute maxillary sinusitis, 2 with acute otitis media, 1 with cervical abscess and 2 with urinary tract infection complexed type) were evaluated as excellent in 7, good in 4 and fair in 1, with an efficacy rate of 91.7%. Seventeen causative organisms found in 10 patients (Haemophilus influenzae in 4, Branhamella catarrhalis in 3, Streptococcus pneumoniae in 2, Pseudomonas aeruginosa in 2, Staphylococcus aureus in 1, alpha-Streptococcus in 1, Corynebacterium sp. in 1, Peptostreptococcus micros in 1 and Klebsiella pneumoniae in 2) were eradicated except 2 strains (S. aureus and P. aeruginosa) from 1 patient (patient No. 2). No adverse reactions were observed in any of the 12 patients. 2. MICs of PAPM were examined against 22 clinical isolates (H. influenzae 5, B. catarrhalis 3, alpha-Streptococcus 3, S. pneumoniae 2, Corynebacterium sp. 2, S. aureus 1, P. aeruginosa 1, P. micros 1, Enterobacter cloacae 1, Escherichia coli 1, Group D Streptococcus 1 and Staphylococcus epidermidis 1) from children with bacterial infections. PAPM showed a good antibacterial activity comparable to the activity of cefoperazone (CPZ) against S. pneumoniae strains relatively tolerant to penicillins. However, the activity of PAPM against H. influenzae was somewhat weaker than that of CPZ. 3. Pharmacokinetic studies.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Pharmacokinetic, bacteriological, and clinical studies on panipenem/betamipron in children]. 151 26

A case of fulminant neonatal Haemophilus influenzae sepsis is presented. A 29-year-old woman presented at 34 weeks gestation with premature labor but with intact membranes. The male infant died 8 h after delivery due to respiratory insufficiency. Ante-mortem blood cultures and post-mortem blood and lung cultures yielded H. influenzae (biotype II) which could not be serotyped. H. influenzae was cultured from the mother's cervix 5 days after delivery. This strain was of the same biotype and also nonserotypable. Serum obtained from the mother exhibited reduced bactericidal activity against the isolates. We suggest the use of selective media in routine cervix cultures from pregnant women to detect H. influenzae, which might be responsible for neonatal septicemia.
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PMID:Fulminant neonatal sepsis due to Haemophilus influenzae. 176 62

We conducted a study on the pharmacokinetics and clinical application of cefpirome (CPR) in children. 1. A single intravenous injection of 20 mg/kg of CPR was given to a two-month-old boy, and the concentration of the drug in the blood was measured. Fifteen minutes after administration, the concentration was 53.3 micrograms/ml, and it gradually decreased thereafter, reaching a level of 5.18 micrograms/ml after 8 hours with a half-life in the plasma of 2.36 hours. 2. A single intravenous injection of 700 mg (50 mg/kg) of CPR and that of cefotaxime (CTX) were given to a girl with suppurative meningitis (3 years old, 14 kg, causative bacteria, Haemophilus influenzae), and concentrations of the drugs in plasma and cerebrospinal fluid after 1 hour were measured. On the second day of illness, the concentration of CTX in the plasma was 39.4 micrograms/ml and the concentration of desacetyl-CTX (D-CTX) was 25.2 micrograms/ml, while concentrations in the cerebrospinal fluid were 6.22 micrograms/ml (15.8%) for CTX and 3.94 micrograms/ml (15.6%) for D-CTX. On the third day of illness, concentration of CPR in the plasma was 59.3 micrograms/ml, while its concentration in the cerebrospinal fluid was 7.44 micrograms/ml (12.5%). 3. CPR was intravenously administered in daily dosages of 37.7-75.0 mg/kg in 2-3 portions for periods of 4-15 days to 2 patients with septicemia (causative bacteria, Klebsiella pneumoniae in 1 case and Escherichia coli in the other), 1 patient with bronchitis (K. pneumoniae), 9 patients with pneumonia (1 case of Staphylococcus aureus, 3 cases of H. influenzae, 2 cases of Haemophilus parainfluenzae, 1 case of K. pneumoniae + Pseudomonas cepacia, 2 cases of H. influenzae + Branhamella catarrhalis), 2 patients with cellulitis (1 case of S. aureus, 1 case, causative agent unknown), 1 patient with suppurative lymphadenitis (causative agent, unknown), 1 patient with staphylococcal scalded skin syndrome, 1 patient with renal abscess (causative agent, unknown), and 1 patient with a urinary tract infection (E. coli), for a total of 18 patients, with excellent results in 9 cases and good results in 9 cases, hence an efficacy rate of 100% was obtained. 4. As an accompanying side-effect, eruption was observed in 1 of the 18 patients, but when administration was discontinued, the symptom gradually receded, and it disappeared by the 4th day.(ABSTRACT TRUNCATED AT 400 WORDS)
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PMID:[Pharmacokinetic and clinical studies of cefpirome in pediatric field]. 182 75

Bacteriological and clinical studies on cefodizime (CDZM, THR-221), a new cephem developed by Hoechst AG and Roussel Uclaf, were carried out and the results are summarized below: 1. Against Gram-positive bacteria, Staphylococcus aureus, Streptococcus pyogenes and Streptococcus pneumoniae, antibacterial activities of CDZM were similar to those of cefotaxime (CTX), cefazolin, cefotiam and piperacillin. Against Escherichia coli, Klebsiella pneumoniae and Serratia sp., antibacterial activities of CDZM were similar to that of CTX, and superior to those of other tested antibiotics. Especially against Haemophilus influenzae and Branhamella catarrhalis, it showed an excellent antibacterial activity. 2. Although the clinical efficacy was poor in 1 patient with sepsis caused by Salmonella marcescens and in another with cervical lymphadenitis, in 5 patients with upper respiratory tract infection, 4 patients with bronchitis, 6 patients with bronchopneumonia, 18 patients with pneumonia, 5 patients with urinary tract infection and 1 patient with enteritis, the clinical efficacy was excellent or good and the efficacy rate was 95.1% (39/41) including excellent efficacies in 25 cases. 3. Bacteriologically, all identified causative bacteria were eradicated except for 1 case of Salmonella sp., thus the eradication rate was 97.4% (38/39). Especially S. pneumoniae in 10 cases, H. influenzae in 12 cases and B. catarrhalis in 3 cases were eradicated totally. 4. Adverse reactions were studied in 46 cases, and digestive symptoms were observed in 9 cases (diarrhea 5 cases, loose stools 4 cases). Eruption and vascular pain were observed in 1 case each. As digestive symptoms in 9 cases were mild, the treatment were not suspended. In laboratory test values, elevation of GOT, elevation of GPT, elevation of bilirubin, and eosinophilia were observed in 1 case each. Influences on blood coagulation parameters were studied. No change was observed between the beginning and the end of the treatment. From above results, we have concluded that CDZM is a useful and safe antibiotic in pediatrics, administered at a daily dose of 20 mg/kg divided into 3 or 4 doses and administered intravenously.
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PMID:[Bacteriological and clinical studies of cefodizime in pediatrics]. 188 Sep 19

Cefpodoxime proxetil (RU 51807) is an enterally absorbed ester prodrug which is rapidly cleaved in vivo after oral administration, with release of the active free acid metabolite cefpodoxime. The in vitro antibacterial activity of the sodium salt of cefpodoxime (RU 51746) against approximately 800 clinical isolates was evaluated comparatively with other orally active beta-lactams. RU 51746 was found to be active against enterobacteria normally susceptible to third generation cephalosporins, with MIC50 values ranging from 0.02 mg/l (Providencia sp) to 5 mg/l (C. freundii). RU 51746 was also active against H. influenzae, including beta-lactamase producing strains (MIC50 0.04 mg/l), oxa-S S. aureus (2,5), beta-hemolytic streptococci (0.05) and S. pneumoniae (0.002). Oxa-R staphylococci and P. aeruginosa were resistant to RU 51746 (MIC50 greater than 40 mg/l for both organisms). The antibacterial activity of RU 51746 was bactericidal in nature and independent from test conditions. The molecule was stable to all the beta-lactamases studied, with the exception of cefuroximase (type Ic). RU 51746 exhibited no strong inhibitory effects on these enzymes, except with Enterobacter P99 (type Ia). A good correlation was found between in vivo activity of RU 51807 and in vitro activity of RU 51746. Cefpodoxime proxetil was found to be more effective than cefaclor in mice with experimental septicemia caused by various streptococci, with a DP50 ratio in the 10-100 range. This advantage was again evidenced for septicemias due to various enterobacteria. In contrast, cefaclor proved more effective in experimental staphylococcus infections. In mice with experimental pneumonia, cefpodoxime proxetil caused sharp falls in K. pneumoniae lung counts. Six days after induction of the infection, 60% of animals under cefpodoxime proxetil had sterile lungs, versus 25% of animals under amoxicillin.
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PMID:[RU 51807 (cefpodoxime proxetil). In vitro and in vivo antibacterial activity of a new orally administered active cephalosporin]. 190 3

Haemophilus influenzae type b is responsible for an estimated 15,000 to 20,000 cases of meningitis per year in the United States, mainly in children 2 months to 5 years old. The mortality rate from meningitis due to H influenzae type b infections ranges from 5% to 10%. Despite antibiotic treatment, up to 35% of survivors have permanent neurologic sequelae. In addition to meningitis, H. influenzae type b is responsible for other invasive infections, including epiglottitis, septicemia, cellulitis, septic arthritis, osteomyelitis, pneumonia, pericarditis, and otitis media; approximately 30,000 cases H influenzae diseases occur annually in the United States. The diseases peak in incidence between 6 and 12 months of age, with almost one half of the cases occurring before 1 year of age. About 75% of disease caused by H influenzae type b occurs in children younger than 24 months old. The incidence of disease is higher in children of certain groups, including blacks, Hispanics, Eskimos and Native Americans, young children attending day-care facilities, patients with asplenia or antibody-deficiency syndromes, and children of lower socioeconomic status. There is considerable evidence that antibody to the capsular polysaccharide (polyribosylribitol-phosphate [PRP] of H influenzae type b is protective.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Immunogenicity of a new Haemophilus influenzae type b conjugate vaccine (meningococcal protein conjugate) (PedvaxHIB). 210 17

On the basis of intensified surveillance in Finland we report the epidemiology of invasive Haemophilus influenzae type b disease based on 333 consecutive culture-proved cases recorded during 1985 and 1986. The annual incidence rate among children younger than 5 years of age was 52/100,000; 46% of patients had meningitis, 29% had epiglottitis and 25% had other forms of invasive disease. The median age of patients was 27 months, with 45% younger than 2 years of age. Meningitis and epiglottitis were found more often among boys than among girls, whereas the opposite was found among patients with other types of invasive disease (P = 0.015). Among the latter 68% of children with pneumonia or septicemia were 2 years or older compared with 32% of patients with arthritis, cellulitis or pyelonephritis (P = 0.009). These background data are essential for correct interpretation and application of results from trials with H. influenzae type b conjugate vaccines that are currently ongoing in Finland.
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PMID:Epidemiology of invasive Haemophilus influenzae type b disease among children in Finland before vaccination with Haemophilus influenzae type b conjugate vaccine. 265 19

The pharmacokinetics, efficacy and safety of sulbactam/ampicillin (SBT/ABPC) were evaluated in 21 children with a variety of infections. The results obtained are summarized as follows. 1. Pharmacokinetics in 4 children, each receiving a single dose of 60 mg/kg, were evaluated. The average half-life of SBT was 1.03 hours and that of ABPC was 0.83 hour. 2. In vitro antimicrobiol activity (MIC) of SBT/ABPC in which SBT and ABPC are combined at a ratio of 1:2 was stronger than ABPC alone and was quite effective against Staphylococcus aureus and Haemophilus influenzae, but activity against Escherichia coli was relatively low. Antimicrobial activity of SBT/ABPC against S. aureus was almost equal to those of piperacillin (PIPC), cefazolin (CEZ) and cefmetazole (CMZ), but against H. influenzae was stronger than those of CEZ and CMZ. Activity against E. coli was lower than those of PIPC, CEZ and CMZ. 3. A total of 21 patients including 3 with pharyngitis, 10 with bronchitis, 5 with pneumonia, 1 each with acute enteritis, pyelonephritis and suspected sepsis were treated with SBT/ABPC. The clinical efficacy rate for these patients was 95.2% (20/21). The bacteriological eradication rate was 80% (8/10). 4. There were 4 instances of side effects, 1 case each of eruption, diarrhea, thrombocytosis and eosinophilia, but all symptoms were transient.
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PMID:[Pharmacokinetic, bacteriological and clinical evaluation of sulbactam/ampicillin in pediatrics]. 274 54

There is poor correlation between the MICs and zone sizes obtained for erythromycin against Haemophilus influenzae. The effect of two media, Mueller-Hinton medium supplemented with 3% lysed horse blood and 10 micrograms of NAD per ml (MHA + LYHB) and Mueller-Hinton agar supplemented with 1% bovine hemoglobin and 1% IsoVitaleX (MHA + HGB), on the MICs and zone sizes of erythromycin against H. influenzae was determined. The effect of three different methods for inoculum preparation on the susceptibility of H. influenzae was also determined. The MICs were independent of the method of inoculum preparation, but the zone sizes were smaller if the inoculum was carefully adjusted to contain approximately 10(8) CFU/ml. MICs were higher and zone sizes were smaller when MHA + HGB was used instead of MHA + LYHB. Good correlation was found when MHA + LYHB was used for determining the MIC and MHA + HGB was used for determining susceptibility by the disk method. When the inoculum was adjusted to match a McFarland 0.5 standard, the viable counts had to be approximately 10(8) CFU/ml for good correlation between MICs and zone sizes. A-56268, a new macrolide antibiotic, was tested against H. influenzae, and its MICs and tentative breakpoints against this organism were determined. The MICs obtained by various methods were correlated with in vivo efficacy by using a mouse septicemia model. MICs obtained on MHA + HGB or MHA + LYHB incubated without a 5% CO2 atmosphere showed the best correlation with in vivo efficacy.
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PMID:Susceptibility testing of macrolide antibiotics against Haemophilus influenzae and correlation of in vitro results with in vivo efficacy in a mouse septicemia model. 295 54


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