[Resistance of Neisseria gonorrheae to streptomycin].
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In an attempt to evaluate the current prevalence rate of penicillinase producing Neisseria gonorrhoeae (PPNG) and whether non-PPNG strains are still in existence in Ibadan, Nigeria, all isolates of Neisseria gonorrhoeae from patients that attended our clinic between January and December 1997 were studied. Of the 155 patients that had gonococcal infections, 118 were male (76.1%) and 37 (23.9%) were female with 31 (83.8%) being the partners of infected men. Sixty-four (54.2%) of the male and 19 (51.4%) of the female were aged between 20 and29 years while 21.2% of the male and 16.2% of the female were in the age of 40 and above. The sex difference is not statistically significant (chi2=1.47,P=-0.69). The present study revealed that non-PPNG strains have reduced considerably to 5.4% from 100% in 1977. This has posed a great threat to the usefulness of penicillin and ampicillin as the drugs of choice in gonococcal therapy in Nigeria.
The present state of epidemiology and the microbiology of beta-lactamase-producing N. gonorrhoeae are reviewed. Methods of identification of such strains and therapeutic consequences are discussed.
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In many cases gonorrhea is overlooked and not treated due to an unusual course of the disease. The longer this infection exists the greater is the danger of dissemination of the gonococci. Gonorrhea, if not diagnosed, may cause a series of local and general clinical manifestations, such as: the dermatitis-arthritis syndrome whose pathogenesis is not yet completely clarified: the Fitz-Hugh-Curtis syndrome which is often seen in females with chronic gonococcal adnexitis;gonococcal pharyngitis which nowadays occurs more often due to less conventional sexual practices of contemporary society; gonococcal conjunctivitis which represents the best known extragenital gonococcosis. This paper deals with the clinical manifestations and their treatment.
A study of 1,043 strains of E. coli and 22 strains of Salmonella isolated from various foods in eastern France between the dates of June 1974 and December 1976 showed that 164 (15.6%) of E. coli and nine Salmonella were resistant to one or several drugs. Only 18 of the 83 resistant E. coli strains were able to transfer their resistance to tetracycline and some other drug resistance to E. coli K12 in vitro. A conjugative R plasmid has been identified by transfer experiments, incompatibility testing and agarose gel electrophoresis in a strain of multiresistant S. saint-paul.
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A randomized trial was conducted to compare cefixime (400 mg or 800 mg single oral dose) with ceftriaxone (250 mg single intramuscular dose) in terms of efficacy and safety for the treatment of uncomplicated Neisseria gonorrhoeae urethritis or cervicitis. Of 75 men and 150 women screened, 187 had positive culture results for N. gonorrhoeae. The course of treatment was evaluable in 155 cases (59 men, 96 women). Bacteriologic eradication was evident in 97% (105 out of 108) of the patients treated with cefixime and in 100% (47 out of 47) of the patients treated with ceftriaxone. N. gonorrhoeae was eliminated at 98% (143 out of 146) and 100% (72 out of 72) of the infection sites in the respective treatment groups. Of the 187 isolates, 8 were penicillinase-producing (PPNG) and 20 had high-level tetracycline resistance (TRNG). The cefixime and ceftriaxone MIC90 for all 187 study isolates was 0.008 micrograms/ml. The adverse clinical experiences reported by the patients treated with cefixime (10%) were self-limiting; no adverse experiences occurred in the patients treated with ceftriaxone. Cefixime was as well tolerated and efficacious as ceftriaxone in the treatment of the patients with uncomplicated N. gonorrhoeae urethritis or cervicitis reported here.
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These recommendations specify appropriate treatment, including dosage of antibiotics for uncomplicated gonococcal infections in adults, infections with penicillinase-producing Neisseria gonorrhoeae, acute salpingitis, acute epididymitis, disseminated gonococcal infections, and gonococcal infections in pediatric patients (including neonatal infections). Special attention is given to important diagnostic considerations, relation of gonococcal infections to concomitant venereal infections, treatment of sexual partners, follow-up, treatment failures, treatments not recommended, allergic problems in treatment, needs for hospitalization, and prevention of gonococcal ophthalmia. Attention is called to the importance of using no less than the recommended dosages of antibiotics.
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We studied 181 patients diagnosed with male urethritis at Oogaki Municipal Hospital from April 2002 to March 2004. Twenty-two out of 92 patients diagnosed with gonococcal urethritis (GU) and 52 out of 89 patients diagnosed with non-gonococcal urethritis (NGU) were positive for Chlamidia trichomatis by polymerase chain reaction (PCR). Most patients of male urethritis were in their twenties. Of GU patients, 39 (67%) were infected from commercial sex workers (CSWs). Of NGU patients, 12 (30%) were infected from CSWs, 24 (40%) from girl friends and 4 (10%) from their Twenty-eight (48%) out of GU patients were infected through oral sex. spouse. Eighty-three GU patients were treated with SPCM (2 g, one shot). Fifty-five patients could be evaluated for the efficacy of treatment. Elimination rate of Neisseria gonorrhoeae was 100% and 14 out of 18 patients with persisting urethritis had C. trichomatis. Eighty-two NGU patients were treated with minocycline, tosufloxacin, levofloxacin, gatiflixacin or clarithromycine. Sixty-six patients could be evaluated for the efficacy of treatment. Forty-one patients were diagnosed with non-gonococcal chlamydial urethritis (NGCU) and 25 patients were diagnosed with non-gonococcal, non-chlamydial urethritis (NGNCU). The clinical curative rate of NGCU and NGNCU was 93% (38/41) and 80% (20/25), respectively.