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Query: UMLS:C0348321 (Haemophilus)
 15,372 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Selective adherence to host mucosal surfaces is probably a requirement for colonization and infection by bacteria. Since pharyngeal colonization may be an important determinant in the pathogenesis of pneumonia, we studied the adherence of 10 different bacteria to pharyngeal cells obtained from nonsmokers, smokers, and chronic bronchitics. Various patterns of adherence among the different groups of subjects were found. Young healthy smokers had increased adherence of Streptococcus pneumoniae type I and, to a lesser extent, S. pneumoniae type III and Staphylococcus aureus when compared with nonsmokers. Middle-aged smokers with a long history of chronic bronchitis had significantly increased adherence only of untypable Haemophilus influenzae when compared with age-matched nonsmokers. The acquisition of pneumococcal pneumonia by smokers and the role of nontypable Haemophilus species in chronic bronchitis may be determined, in part, by bacterial adherence to pharyngeal cells.
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PMID:Bacterial adherence to pharyngeal cells in smokers, nonsmokers, and chronic bronchitics. 4 Aug 79

Sixty patients with pneumonia and/or bronchitis were treated with cefaclor, a new orally administered cephalosporin. Of those 60, 27 adults were treated with 500 mg every 8 hours, 26 adults with 250 mg every 6 hours, and 7 children with 50 mg/kg/day. In the adults, pneumonia was caused most frequently by Streptococcus pneumoniae and Haemophilus influenzae. The 7 children had pneumococcal pneumonia. All but 2 adults, both elderly patients with chronic obstructive pulmonary disease, were successfully treated. One instance of drug hypersensitivity occurred. All 7 children responded rapidly, with no side effects, to cefaclor therapy.
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PMID:Treatment of acute bacterial bronchitis and pneumonia with cefaclor. 4 8

Two patients had community-acquired Acinetobacter calcoaceticus var anitratus pneumonia. Both patients were alcoholic and one was cirrhotic. One patient died and the other received two weeks of gentamicin therapy and survived. Misinterpretation of the sputum Gram stain delayed diagnosis and institution of proper therapy in both cases. In addition to organisms sensitive to penicillins such as Neisseria or Haemophilus, Acinetobacter must be considered in the differential diagnosis of community-acquired Gram-negative coccobacillary pneumonia.
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PMID:Community-acquired Acinetobacter calcoaceticus var anitratus pneumonia. 7 May 40

We have reviewed the clinical presentation of pneumonia to the Goroka paediatric ward. In comparison to survivors, children dying from pneumonia more often (p less than 0.05) had malnutrition (weight-for-age under 80%), anaemia (haemoglobin under 9g%), and a marked leucocytosis (total white cell count over 30,000 cells per c.m.m.). Children dying from pneumonia had been ill for longer and had been given more antibiotics prior to admission. There was no significant difference between children dying from pneumonia and survivors in age distribution, pulse rate, incidence of cardiac failure or duration of stay in hospital. 70% of the children dying from pneumonia at Goroka Hospital are infants under 12 months of age. Pneumococcal vaccine gives a poor antibody response in infants, and overseas studies using lung aspiration suggest that Haemophilus influenzae and Staphylococcus aureus might be causative organisms as well as Streptococcus pneumoniae. A study to determine the aetiology of pneumonia in Highlands children is required to enable a rational choice of routine antibiotic therapy and to plan further research on vaccination against pneumonia.
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PMID:Childhood pneumonia at Goroka Hospital. 29 32

Thirteen patients with Haemophilus influenzae type b pneumonia are reported to emphasise the clinical, radiographic, and therapeutic aspects of this illness. All but one patient was under 2 1/2 years of age. The presenting complaint was a variable duration of upper respiratory infection and fever in most cases. One-third of patients had radiographic evidence of pleural involvement; one-third showed a patchy bronchopneumonia on roentgenogram; and the remainder had segmental or lobar infiltrates. Clinical response to antibiotic therapy was prompt in patients without pleural involvement.
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PMID:Haemophilus influenzae type b pneumonia. 30 25

Fifty-three infants and children, aged three months to 15 years, were treated with an average daily dose of 100 mg of cefamandole/kg intravenously. Of these patients, 47 had soft tissue cellulitis and six had pneumonia. Primary pathogens, including Staphylococcus aureus, Streptococcus pyogenes, Streptococcus pneumoniae, and Haemophilus influenzae, were isolated from 43 of the 53 patients. Bacteremia was documented in six of the 53 patients. A satisfactory clinical and bacteriologic response to cefamandole was achieved in all cases except on (98%). The only treatment failure occurred in an infant with both periorbital cellulitis and bacteremia due to H. influenzae who developed meningitis while receiving cefamandole; no extravasation of the drug across the blood-brain barrier could be detected in spite of inflamed meninges. In general, the only aberrant effects of cefamandole were the appearance of eosinophilia in 28% of patients and a positive indirect Cooms' test without hemolysis in one patient. Cefamandole showed excellent in vitro activity against 87 ampicillin-resistant strains of H. influenzae. Because it has greater activity than any of the other cephalosporins against this important pediatric pathogen, cefamandole may have particular pertinence in the treatment of infections in infants and young children.
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PMID:Clinical and laboratory evaluation of cefamandole in infants and children. 30 2

Several recent studies in adults have indicated that counterimmunoelectrophoresis (CIE) of sputum can distinguish persons with pneumococcal pneumonia vs those in whom merely colonization of pneumococcus occurs--CIE being positive in the former and negative in the latter. Counterimmunoelectrophoretic determinations were done on nasopharyngeal (NP) secretions in 20 children with bacterial pneumonia as evidenced by physical and radiological findings, leukocytosis, response to a penicillin, and in some cases, evidence of bloodstream invasion. Thirty-five children with other types of respiratory illness served as controls. Ten of 16 children from the pneumonia group had pneumococcal antigen in their NP secretions. Four of the six patients without pneumonia had evidence of disease associated with type 14 pneumococcus, which is not generally detected by CIE. The four additional patients with pneumonia had Haemophilus influenzae type b, and H influenzae type b antigen was present in the NP secretions. In the control group, one patient had pneumococcal antigen, and one patient had H influenzae type b antigen in the NP secretions, although 17/35 were positive for pneumococcus by culture. Counterimmunoelectrophoretic determinations of NP secretins are reliable in distinguishing patients with pneumococcal pneumonia vs those who are merely carriers (P less than .001).
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PMID:Diagnosis of pneumonia by counterimmunoelectrophoresis of respiratory secretions. 30 43

A 69-year-old man was hospitalized with fatal bacteremic Hemophilus influenzae type F pneumonia. Three cases of type F pneumonia have been reported previously. When compared with 22 reported cases of bacteremic type B pneumonia, patients with type F infection were more likely to be elderly males who succumbed to their infection (p less than 0.05). Statistically significant differences in the incidence of underlying conditions or in the extent of pneumonia were not present.
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PMID:Hemophilus influenzae type F pneumonia in adults. 30 46

Forty-seven infants and children with a variety of infections including bacteremia, ethmoiditis, and periorbital cellulitis, soft tissue infection, pneumonia, and lymphadenitis were treated with intravenous cefamandole. The infections were due to Staphylococcus aureus, Streptococcus pyogenes, Streptococcus pneumoniae, and Haemophilus influenzae. The clinical response was prompt, and, with the exception of two cases who developed skin rash, significant side effects were not noted. In vitro cefamandole was very effective in inhibiting the growth of H. influenzae, including ampicillin-resistant isolates.
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PMID:Clinical and laboratory investigation of cefamandole in infections of infants and children. 30 39

Six soft tissue infections (three epiglottitis, one cellulitis, one pneumonia, and one arthritis) with ampicillin-resistant Haemophilus influenzae were treated initially with high doses of ampicillin (200 to 400 mg/kg/day intravenously) alone and had good clinical responses. All had documented bacteremia with H. influenzae. One child was treated only with ampicillin; treatment in the remainder was changed to oral therapy with other antibiotics to facilitate discharge. There was no recurrence of disease. Disc diffusion studies done on clinical isolates of both resistant and sensitive organisms indicate a break point at which the resistant organism shows progressive sensitivity to increasingly higher concentrations of ampicillin.
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PMID:Treatment of ampicillin-resistant Haemophilus influenzae in soft tissue infections with high doses of ampicillin. 31 30


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