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Related Concept Videos

Pharmaceutical Alternatives: Stability-Related Therapeutic Nonequivalence01:22

Pharmaceutical Alternatives: Stability-Related Therapeutic Nonequivalence

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Generic intravenous (IV) drugs are considered bioequivalent to their branded counterparts due to their 100% bioavailability upon administration. However, variations in stability among different drug products can significantly influence their therapeutic performance, even if they are pharmaceutically equivalent.Cefuroxime, a prophylactic antimicrobial, is often used as a single-dose IV injection for patients undergoing coronary artery bypass grafting surgery. A 3 g dose typically provides...
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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

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Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
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Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

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Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
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Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

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The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
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Combined Effects of Drugs: Synergism01:27

Combined Effects of Drugs: Synergism

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Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
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Related Experiment Video

Updated: Oct 8, 2025

Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
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Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses

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Azithromycin and Septic Shock Outcomes.

Joseph M Johnson1, Raymond J Yost2, Mark H Pangrazzi2

  • 1Department of Pharmacy, Henry Ford Hospital, Detroit, MI, USA.

Journal of Pharmacy Practice
|December 30, 2021
PubMed
Summary
This summary is machine-generated.

This study found that adding azithromycin to empiric antimicrobial regimens did not significantly shorten shock resolution time in patients with septic shock. Outcomes like mortality and length of stay remained similar between groups.

Keywords:
azithromycinintensive care unitsepsisshock resolution

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Area of Science:

  • Critical Care Medicine
  • Infectious Diseases
  • Pharmacology

Background:

  • Macrolide antibiotics, such as azithromycin, are known for their immunomodulatory effects.
  • Limited clinical data exists on the impact of these immunomodulatory properties on measurable outcomes in septic shock.
  • Understanding potential benefits of azithromycin in septic shock is crucial for optimizing treatment strategies.

Purpose of the Study:

  • To investigate whether empiric antimicrobial regimens including azithromycin can reduce the time to shock resolution in adult patients.
  • To evaluate the clinical impact of azithromycin on key outcomes in septic shock patients.

Main Methods:

  • Retrospective study of adult patients with septic shock admitted to intensive care units (ICUs) across three urban teaching hospitals.
  • Inclusion criteria: norepinephrine requirement for at least 4 hours and at least 48 hours of antimicrobial treatment.
  • Propensity score matching was used to compare patients who received azithromycin with those who did not.

Main Results:

  • 258 patients were included after propensity score matching (124 in azithromycin group, 134 in control group).
  • No significant difference in median shock duration (45.6 hr vs 59.7 hr, P = .44) between groups.
  • In-hospital mortality (37.9% vs 38.1%), mechanical ventilation duration, and ICU/hospital length of stay were similar.

Conclusions:

  • Empiric use of azithromycin in adult ICU patients with septic shock did not significantly improve shock resolution time.
  • Azithromycin did not demonstrate a significant impact on mechanical ventilation duration, ICU length of stay, or hospital length of stay.
  • The study did not find a significant effect of empiric azithromycin on in-hospital mortality for septic shock patients.