Single-dose antibiotic prophylaxis compared with multiple-dose protocol in clean pediatric neurosurgical

Esmaeil Mohammadi1, Sina Azadnajafabad1,2, Mehrdad Goudarzi3

  • 11Department of Pediatric Neurosurgery, Children's Medical Center Hospital, Tehran University of Medical Sciences, Tehran.

Insights

For pediatric neurosurgery, single-dose antimicrobial prophylaxis (AMP) is as effective as multiple-dose AMP. This study found no significant benefit of multiple doses, suggesting single-dose AMP is sufficient and avoids unnecessary antibiotic exposure.

Area of Science:

  • Neurosurgery
  • Pediatric Medicine
  • Infectious Disease Prevention

Background:

  • Current guidelines recommend antimicrobial prophylaxis (AMP) for clean neurosurgical procedures.
  • The optimal dosing strategy (single vs. multiple doses) for AMP in pediatric neurosurgery remains debated.
  • This study addresses the controversy surrounding multiple-dose AMP in pediatric cranial and spinal surgeries.

Purpose of the Study:

  • To compare the efficacy of single-dose versus multiple-dose antimicrobial prophylaxis (AMP) in pediatric neurosurgery.
  • To evaluate surgical site infection rates between single-dose and multiple-dose AMP cohorts.
  • To determine if multiple-dose AMP offers a significant benefit over single-dose AMP in pediatric cranial and spinal surgeries.

Main Methods:

  • Retrospective analysis of 300 pediatric neurosurgery patients (28 days to 18 years) at a single tertiary center.
  • Propensity score matching created three 50-patient arms for single-dose and multiple-dose AMP in noninstrumented spinal, noninstrumented cranial, and instrumented cranial surgeries.
  • Logistic regression analysis adjusted for etiology was used to compare outcomes, with equivalence analysis using a prior meta-analysis.

Main Results:

  • No statistically significant difference in surgical site infections was observed between single-dose and multiple-dose AMP groups across all cohorts.
  • Equivalence analysis showed non-discriminating results for the total cohort (adjusted OR 0.65) and subcohorts (ORs ranging from 0.52 to 0.68).
  • No statistically significant intercohort differences were found based on etiology or surgical procedure type.

Conclusions:

  • Single-dose antimicrobial prophylaxis (AMP) is as effective as multiple-dose AMP in pediatric neurosurgery.
  • There is no detected significant benefit of using multiple-dose AMP over single-dose AMP for clean cranial and spinal neurosurgical interventions.
  • To minimize unnecessary antibiotic exposure, single-dose AMP is indicated for pediatric neurosurgical procedures.
Abstract

Related Concept Videos

Pharmaceutical Alternatives: Stability-Related Therapeutic Nonequivalence01:22

Pharmaceutical Alternatives: Stability-Related Therapeutic Nonequivalence

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...
14
Bioavailability Study Design: Single Versus Multiple Dose Studies01:11

Bioavailability Study Design: Single Versus Multiple Dose Studies

Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
13
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
19
Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
33
Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations01:15

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations

Gentamicin, an aminoglycoside antibiotic, is commonly administered via intermittent intravenous infusion to treat severe infections. An intermittent one-hour infusion of gentamicin, administered at eight-hour intervals, allows for precise control of plasma drug concentrations, minimizing toxicity while ensuring therapeutic efficacy. Pharmacokinetic principles govern the dynamics of plasma concentrations and can be mathematically described using specific equations.The plasma drug concentration...
15
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
18