Sexually transmitted infections
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Gonorrhoea is an important sexually transmitted infection associated with serious complications and enhanced HIV transmission. Oropharyngeal infections are often asymptomatic and will only be detected by screening. Gonococcal culture has low sensitivity (<50%) for detecting oropharyngeal gonorrhoea, and, although not yet approved commercially, nucleic acid amplification tests (NAAT) are the assay of choice. ⋯ As antimicrobial-resistant gonorrhoea is now an urgent public health threat, requiring improved antibiotic stewardship, laboratory-guided recycling of older antibiotics may help reduce ESC use. Future trials of antimicrobial agents for gonorrhoea should be powered to test their efficacy at the oropharynx as this is the anatomical site where treatment failure is most likely to occur. It remains to be determined whether a combination of frequent screening of high-risk individuals and/or laboratory-directed fluoroquinolone therapy of oropharyngeal gonorrhoea will delay the further emergence of drug-resistant N. gonorrhoeae strains.
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In UK Microbiology laboratories there is widespread use of nucleic acid amplification tests (NAATs) which allow the simultaneous 'dual' detection of Neisseria gonorrhoeae and Chlamydia trachomatis, although the prevalence of gonorrhoea in most areas is low and this may lead to high numbers of false positive results. The aim of this study was to examine the evidence base for unselected testing for gonorrhoea in the community. ⋯ We were unable to find an evidence base to support widespread screening for gonorrhoea in the community. However, the increasing availability of dual NAATs may lead to more testing but this should be tempered by the public health need. Pilot studies and development of robust testing algorithms should be encouraged.
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Although the key focus of this supplement is related to antimicrobial resistance (AMR) in a sexually transmitted infection, Neisseria gonorrhoeae, the purpose of this article is to highlight the wider public health impact of AMR and the need for different disciplines of health to coordinate and collaborate in their selection and use of antimicrobial agents. AMR is being detected in health areas ranging from simple drugs used to treat common bacterial infections to the complex formulations used to treat tuberculosis, malaria and HIV infection, and on all continents. ⋯ In June 2012, WHO launched the WHO Global Action Plan to Control the Spread and Impact of Antimicrobial Resistance in Neisseria gonorrhoeae with a vision to enhance the global response to the prevention, diagnosis and control of N gonorrhoeae infection and mitigate the health impact of AMR through enhanced, sustained, evidence-based and collaborative multisectoral action. This global action plan is positioned within a long-standing commitment of WHO to the issue of AMR with the launch of the Global Strategy on AMR in 2001 and World Health Day on AMR in 2011.
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Review
The role of core groups in the emergence and dissemination of antimicrobial-resistant N gonorrhoeae.
Core groups contain individuals who are regularly infected with Neisseria gonorrhoeae and are able to transmit their infection to a large number of sexual partners. Classical core groups, such as sex workers and their male partners, or men who have sex with men (MSM), have contributed to the emergence and spread of antimicrobial-resistant N gonorrhoeae over many years. Sex workers and their clients were the most important core group driving the dissemination of penicillinase-producing N gonorrhoeae in the 1970s. ⋯ Individuals within other core groups have also been linked to the transmission of antimicrobial-resistant gonorrhoea, such as military personnel, travellers, drug users, young adults, older men and members of street gangs. Understanding core behaviours and their geospatial clustering is essential for an optimal public health response to the rising prevalence of antimicrobial-resistant gonorrhoea. Furthermore, rapid and effective treatment of N gonorrhoeae infections in core individuals and their sexual partners should be a priority for gonorrhoea control programmes.
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The need for palliative care in HIV management is underlined by the high prevalence of pain and symptoms, the toxicity, side effects, and virological failure associated with antiretroviral therapy, emergence of co-morbidities, continued high incidence of malignancies, late presentation of people with HIV disease, and the comparatively higher death rates among the infected individuals. ⋯ Although the appraisal of evidence found improvements across domains, the current body of evidence suffers from a lack of (quasi) experimental methods and standardised measures. The specialism of palliative care is responding to the clinical evidence that integration into earlier disease stages is necessary. Further studies are needed to both identify feasible methods and evaluate the apparent beneficial effect of palliative care on patient outcomes in the post-HAART era.