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Query: UMLS:C0032285 (pneumonia)
 54,520 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Pneumococci relatively insensitive to penicillin G were isolated from the sputum of two patients with pneumonia. One of the organisms was also relatively insensitive to ampicillin, cefamandole, and cephalothin and was resistant to tetracycline. Because penicillin-insensitive pneumococci are being reported with greater frequency, continued surveillance of pneumococcal sensitivity to penicillin is appropriate.
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PMID:Penicillin-insensitive pneumococci: isolation from patients with pneumonia. 3 28

Three cases of pneumonia caused by Neisseria meningitidis group Y are reported. From the results of these cases, the following conclusions were made. N. meningitidis probably can cause serious infection without preceding blood stream invasion. Primary meningococcal pneumonia is not rare; it has no distinctive clinical presentation; and it may not be recognized by routine expectorated sputum cultures. In addition, it may be associated with recent influenzal and adenoviral infections. Lastly, meningococci of the serogroup Y are capable of causing serious disease. Antimicrobial susceptibility studies showed that all three group Y isolates were sensitive to sulfadiazine and rifampin as well as to penicillin, ampicillin, erythromycin, and chloramphenicol.
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PMID:Primary meningococcal pneumonia. 16 44

Thirty cases of Haemophilus influenzae pneumonia with clinical and laboratory features have previously been recorded in adults. During the past three years, we have examined 18 patients in whom this diagnosis was established by transtracheal aspirate or blood culture. Our study suggests that H influenzae, both typable and nontypable strains, is a more frequent cause of pneumonia in adults than previously appreciated. We found no clinical values that distinguished H influenzae pneumonia from other bacterial pneumonias. A properly performed Gram's stain of a transtracheal aspirate specimen is classical in its appearance and facilitates instritution of appropriate initial treatment. The emergence of both typable and nontypable organisms resistant to ampicillin makes it important that organisms be isolated from reliable samples for sensitivity testing. With appropriate therapy, the prognosis for patients with H influenzae pneumonia appears to be good.
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PMID:Haemophilus influenzae pneumonia in adults. 30 74

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

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

Cefuroxime is a new parenteral antibiotic with a wider spectrum of activity than earlier cephalosporins and is particularly active against Haemophilus influenzae, including strains resistant to ampicillin due to beta-lactamase production. From 18 centres, 274 patients suffering with 275 infections were treated with cefuroxime sodium using the standard regimen of 750 mg 8-hourly by intramuscular injection. The clinical results showed a 90% success rate in the patients with bronchopneumonia (105), 91% in patients with post-operative pneumonia (74), and 89% in the patients with acute exacerbations of chronic bronchitis (96). Renal function was closely monitored during therapy, and no adverse changes attributable to cefuroxime therapy were seen in any patient, including those who also received frusemide. Two patients (0.7%) developed a rash, although 8 penicillin-allergic patients were treated without incident. From these studies, it can be concluded that 750 mg cefuroxime 8-hourly is effective in the treatment of lower respiratory tract infections. It is suggested that the attributes of this antibiotic may offer several advantages over existing therapies.
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PMID:Cefuroxime in the treatment of lower respiratory tract infection. 37 91

A nosocomial epidemic of multiply resistant (MR) Klebsiella pneumoniae characterized by resistance to gentamicin, tobramycin, kanamycin, cephalothin, chloramphenicol, and ampicillin occurred in a Veterans Administration hospital from 1975 to 1977. A total of 66 infected or colonized patients were observed in a 2-year period; there were 43 urinary tract infections, 13 wound or soft tissue infections, 8 pneumonias, and 6 patients with only asymptomatic stool colonization. Four patients had both pneumonia and a urinary tract infection. There were five secondary bacteremias. The majority of MR K. pneumoniae strains were type 30, but types 17, 21, and 23 and nontypable organisms were also recovered. Other gram-negative bacilli with the same antibiotic resistance pattern were isolated from 14 patients. Seven MR K. pneumoniae and three resistant Escherichia coli isolates were shown to transfer resistance to E. coli K-12. MR K. pneumoniae-infected patients were seriously ill, had long hospitalization times (mean, 67 days), and were in close geographic proximity to other cases. Compared with controls, cases more frequently had prior antibiotic treatment and urinary catheters, but not respiratory instrumentation, nasogastric tubes, or antacid treatment. The apparent source of the outbreak was traced to an index case who entered the hospital with an MR K. pneumoniae urinary tract infection. Asymptomatic gastrointestinal carriage without infection elsewhere was infrequent (1.6% of cultured patients), but 78% of patients with MR K. pneumoniae infections at other sites also had the organism in their stools. Hospital antibiotic usage was unchanged before and during the outbreak. The identification of an index case and relative lack of asymptomatic stool carriers are unique features of this plasmid-mediated MR K. pneumoniae epidemic. Although this MR K. pneumoniae outbreak appeared to be controlled by the use of isolation techniques, a simultaneous increase in gentamicin resistance among other gram-negative organisms was observed.
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PMID:Nosocomial multiply resistant Klebsiella pneumoniae: epidemiology of an outbreak of apparent index case origin. 38 Apr 63

A prospective, randomized, single-blind comparison of parenteral cefamandole and ampicillin was conducted in 27 hospitalized adult patients with pneumonia or purulent tracheobronchitis due to Haemophilus spp. Patients received either parenteral cefamandole or ampicillin in a dose of 1 g every 6 h. Cefamandole was as effective and safe as ampicillin. Of the 14 patients treated with cefamandole, 13 were considered cured, as were 12 of the 13 treated with ampicillin. One patient in each treatment group improved clinically but did not clear his sputum of Haemophilus spp. One patient treated with cefamandole had a recurrence of Haemophilus spp. bronchitis 9 days after cure. Adverse effects were more common in the cefamandole-treated group (50% versus 15%), but were mild and did not require discontinuation of therapy in any patient. The in vitro susceptibilities of 64 clinical isolates of Haemophilus spp. to 10 antibiotics were determined. Cefamandole was the most active of the cephalosporin-cephamycin antibiotics tested, inhibiting 98% of 61 non-beta-lactamase-producing isolates at 2 mug/ml and 100% at 4 mug/ml. Cefamandole inhibited the three ampicillin-resistant isolates at 2 mug/ml or less. Cephapirin, cefoxitin, and cephalothin were the next most active, whereas cefazolin and cephradine were the least active.
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PMID:Clinical and laboratory evaluation of cefamandole in the therapy of Haemophilus spp. Bronchopulmonary infections. 38 11

One of the main uses of erythromycin in respiratory tract infection has been in the treatment of acute streptococcal tonsillitis as an alternative to penicillin. Studies on the quantitative bacteriology of tonsils obtained at tonsillectomy have shown large numbers of both haemolytic streptococci and Haemophilus species in most samples and these organisms can be effectively reduced in number by preoperative treatment with antibiotics such as erythromycin. Such investigations suggest that erythromycin might have wider use in the treatment of respiratory tract infections, particularly where Haemophilus influenzae and other Haemophilus species are involved. Apart from specific infections such as those due to Mycoplasma pneumoniae, erythromycin is effective in the treatment of acute pneumonia due to organisms such as the pneumococcus, and this paper reports the further use of erythromycin in the treatment of acute exacerbations of chronic bronchitis where the clinical and bacteriological effects of treatment with this antibiotic are compared with those of ampicillin.
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PMID:Erythromycin in respiratory tract infection. 41 55


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