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Multiply-resistant pneumococcus: therapeutic problems in the management of serious infections
1Department of Medical Microbiology, Creighton University School of Medicine, Omaha, Nebraska 68178, USA.
Abstract:
The control of penicillin-resistant pneumococci has become one of the more serious therapeutic challenges facing clinicians today. The occurrence and geographical coverage of these microorganisms have increased rapidly since they were first recognized in the late 1960s. They have now been reported from every continent, and in some regions can account for over 60% of the pneumococci isolated. An even greater concern is the propensity of penicillin-resistant pneumococci towards resistance to multiple antibiotics, including the cephalosporins and non-beta-lactam drugs. In areas where multiply-resistant strains are common, the therapeutic choices for the treatment of life-threatening infections may be limited to drugs which are either toxic for the patient or for which we are only beginning to gain clinical experience. As the importance of Streptococcus pneumoniae in meningitis continues to increase and multiply-resistant strains become more widespread and entrenched, it is essential that the search for more well-tolerated and effective treatment regimens continues. However, unless the effect of antibiotics on the selection of these resistant pathogens is addressed and a more judicious approach towards drug use is taken; this resistance problem will continue well into the future.
Insights
Penicillin-resistant pneumococci are a growing global threat, often resisting multiple antibiotics. This necessitates urgent development of new treatments and judicious antibiotic use to combat rising antimicrobial resistance.
Area of Science:
- Microbiology
- Infectious Diseases
- Clinical Therapeutics
Background:
- Penicillin-resistant *Streptococcus pneumoniae* (PRSP) presents a significant clinical challenge.
- The prevalence and geographic spread of PRSP have increased dramatically since the late 1960s.
- PRSP strains are increasingly resistant to multiple antibiotic classes, complicating treatment options.
Purpose of the Study:
- To highlight the increasing threat of penicillin-resistant pneumococci.
- To emphasize the challenge posed by multidrug-resistant strains.
- To underscore the need for novel therapeutic strategies and responsible antibiotic stewardship.
Main Methods:
- Literature review on the epidemiology and resistance patterns of *Streptococcus pneumoniae*.
- Analysis of clinical implications of multidrug-resistant strains.
- Discussion of current and future treatment challenges.
Main Results:
- Penicillin resistance in pneumococci is widespread globally, exceeding 60% in some regions.
- Multidrug resistance, including to cephalosporins and non-beta-lactam agents, is a major concern.
- Limited therapeutic options exist for life-threatening infections caused by these resistant strains.
Conclusions:
- Continued emergence of multidrug-resistant *Streptococcus pneumoniae* necessitates urgent research into new, well-tolerated treatments.
- Judicious antibiotic use and addressing the selection pressure of antibiotics are critical to mitigate future resistance.
- Effective control strategies are essential to manage the growing public health threat of resistant pneumococcal infections.
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