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Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
Published on: August 30, 2018
Adverse reactions to antimicrobial therapy
Abstract:
Adverse reactions to antimicrobial agents consist of toxic effects mediated through chemical changes in tissue cells, sensitivity reactions produced by antigen-antibody reactions, and biological effects caused by alteration of the bacterial flora in the body. Patients vary in their susceptibility to these because of genetically determined differences in enzyme and protein make-up, differences in immunologic reactivity, differences in environment, or because of the effects of disease. Some antibiotics are capable of producing almost invariable damage to certain tissues if given long enough in sufficient dosage, whereas others produce disturbances in only occasional patients. Almost any organ in the body may be involved, indicating that the metabolic processes affected by these agents are represented to a varying degree in the cells of the host. Little is known of the specific mechanisms involved, but as information is acquired, it should be possible to reduce the incidence of reactions.
Insights
Adverse reactions to antimicrobial agents stem from toxic, sensitivity, or biological effects. Patient susceptibility varies due to genetics, immunity, environment, or disease, impacting diverse organs.
Area of Science:
- Pharmacology and Toxicology
- Immunology
- Microbiology
Background:
- Adverse reactions to antimicrobial agents are a significant clinical concern.
- These reactions manifest as toxic effects, hypersensitivity, or alterations in the body's natural microbial flora.
- Patient variability in susceptibility complicates predicting and managing these reactions.
Purpose of the Study:
- To elucidate the multifaceted nature of adverse reactions to antimicrobial agents.
- To explore the underlying mechanisms contributing to patient susceptibility.
- To highlight the potential for reducing reaction incidence with further research.
Main Methods:
- Review of existing literature on antimicrobial-induced adverse events.
- Analysis of factors influencing patient susceptibility, including genetic, immunologic, environmental, and disease-related aspects.
- Examination of the range of organ systems affected by antimicrobial agents.
Main Results:
- Adverse reactions are categorized into toxic, sensitivity (antigen-antibody), and biological (microflora alteration) effects.
- Patient susceptibility is influenced by genetic makeup, immune status, environment, and concurrent diseases.
- Antimicrobial agents can cause dose-dependent tissue damage or idiosyncratic reactions, affecting nearly any organ.
Conclusions:
- Understanding the diverse mechanisms of antimicrobial adverse reactions is crucial.
- Individual patient factors significantly modulate the risk and type of reactions.
- Further research into specific mechanisms is essential for developing strategies to minimize adverse events.
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