Dataset Information

Antibiotic Prophylaxis for Cesarean Delivery: A Survey of Anesthesiologists.

ABSTRACT:

Background

The most common complication after cesarean delivery is surgical site infection. Antibiotic prophylaxis reduces infectious morbidity and current anesthetic quality metrics include preincision antibiotic prophylaxis. Recently, studies suggest reductions in infectious morbidity with the addition of azithromycin for unscheduled cesarean delivery. Larger doses of cefazolin are recommended for morbidly obese women, but evidence is conflicting. The aim of this study was to survey anesthesiologists to assess current practice for antibiotic prophylaxis for cesarean delivery.

Methods

We invited a random sample of 10,000 current members of the American Society of Anesthesiologists to complete an online survey about their current practice of antibiotic prophylaxis for cesarean delivery in November 2017. The survey included questions similar to a previous survey on this topic in 2012.

Results

The response rate was 12.2% (n?=?1223). Most respondents had at least 15 years of experience (684, 55.9%), work at a nonteaching or community hospital (729, 59.6%), with >500 cesarean deliveries annually (619, 50.6%), and administer obstetric anesthesia several times a week (690, 56.4%). Routine preincision antibiotic prophylaxis was reported by 1162 (95.0%) of the 1223 respondents, a substantial improvement versus the 63.5% reported in the previous study in 2012. For intrapartum cesarean deliveries, 141 (11.5%) administer azithromycin for unscheduled cesarean deliveries. Those who use cefazolin, 509 (42.5%) administer 3?g for morbidly obese women.

Conclusion

Adherence to preincision antibiotic prophylaxis for cesarean delivery is very high, a significant improvement within 5 years. A minority of anesthesiologists utilize azithromycin for intrapartum cesarean deliveries. The dose of cefazolin for morbidly obese women varies widely.

SUBMITTER: Reiff ES

PROVIDER: S-EPMC7787788 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Publications

Antibiotic Prophylaxis for Cesarean Delivery: A Survey of Anesthesiologists.

Reiff Emily S ES Habib Ashraf S AS Carvalho Brendan B Raghunathan Karthik K

Anesthesiology research and practice 20201216

<h4>Background</h4>The most common complication after cesarean delivery is surgical site infection. Antibiotic prophylaxis reduces infectious morbidity and current anesthetic quality metrics include preincision antibiotic prophylaxis. Recently, studies suggest reductions in infectious morbidity with the addition of azithromycin for unscheduled cesarean delivery. Larger doses of cefazolin are recommended for morbidly obese women, but evidence is conflicting. The aim of this study was to survey an ...[more]

PMID: 33488702

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Project description:Postpartum infections are polymicrobial and typically include Ureaplasma, an intracellular microbe that is treated by macrolides such as azithromycin. The aim of this study was to evaluate the perinatal pharmacokinetics of azithromycin after a single preincision dose before cesarean delivery.Thirty women who underwent scheduled cesarean delivery were assigned randomly to receive 500 mg of intravenous azithromycin that was initiated 15, 30, or 60 minutes before incision and infused over 1 hour. Serial maternal plasma samples were drawn from the end of infusion up to 8 hours after the infusion. Samples of amniotic fluid, umbilical cord blood, placenta, myometrium, and adipose tissue were collected intraoperatively. Breast milk samples were collected 12-48 hours after the infusion in 8 women who were breastfeeding. Azithromycin was quantified with high performance liquid chromatography separation coupled with tandem mass spectrometry detection. Plasma pharmacokinetic parameters were estimated with the use of noncompartmental analysis and compartmental modeling and simulations.The maximum maternal plasma concentration was reached within 1 hour and exceeded the in vitro minimum inhibitory concentration (MIC50) of 250 ng/mL of Ureaplasma spp in all 30 patients. The concentrations were sustained with a half-life of 6.7 hours. The median concentration of azithromycin in adipose tissue was 102 ng/g, which was below the MIC50. The median concentration in myometrium was 402 ng/g, which exceeded the MIC50. Azithromycin was detectable in both the umbilical cord plasma and amniotic fluid after the single preoperative dose. Azithromycin concentrations in breast milk were high and were sustained up to 48 hours after the single dose. Simulations demonstrated accumulation in breast milk after multiple doses.A single dose of azithromycin achieves effective plasma and tissue concentrations and is transported rapidly across the placenta. The tissue concentrations that are achieved in the myometrium exceed the MIC50 for Ureaplasma spp.

Project description:BackgroundAnesthesiologic activity in the delivery room environment implies the specifics of a 200% lethality, which describes that emergency situations can affect mother and child. A circumstance that impressively underlines the need for special care in employee training and selection. The training situation in the delivery room is characterized by several difficulties. Technical procedures are often performed on the awake patient, who is herself in an exciting situation during childbirth. A detailed description of the necessary competences in this working environment does not exist at the present. The present study aims to describe the further education situation in anesthesiology. The results can represent the first step of a curriculum development according to the concept of Kern et al. in the sense of a needs assessment.Material and methodsIn a multicenter observational study, doctors in further training (AiW) and consultants (FÄ) were asked about methods of familiarization, feedback, activities taken on and the need for a curriculum. The level of supervision and confidence in action during procedures was also elicited. Participants were contacted via the membership database of the German Society of Anesthesia and Intensive Care and could answer the 11-item questionnaire online.ResultsA total of 495 questionnaires (329 FÄ; 166 AiW;) were completed. The FÄ and AiW gave different information on the conduct of exit interviews (59.6% vs. 10%) and curriculum support (76.3% vs.17.5%). Independent of the year of training, AiWs perform cesarean sections under on-demand (reactive) supervision. Peridural anesthesia (PDA) is the least frequently performed procedure in the context of the familiarization situation with obstetric anesthesia. The groups have a different confidence of security in the successful implementation of procedures, when AiW are proceeding without direct supervision (FÄ = MD 61; AiW = MD 77; p < 0.001; scale 0 = unsecure-100 = very secure). Practical and technical support is mostly provided immediately by FÄ (> MW 91; scale 0 = never-100 = immediately). Individual values deviate significantly from the average values (outliers). Both groups rate the usefulness or value of describing learning objectives and the availability of a curriculum as high.DiscussionThe support of familiarization and continuing support is partly answered differently by consultants and doctors in further training. Individual procedures that are rarely performed, such as administration of a PDA, require special attention in the future. Curricula with workplace-based assessments could provide feedback and assurance to increase confidence in the successful implementation of procedures by AiW. The AiW usually receive immediate professional support. Individual institutions do not seem to have any concepts here and must rethink their processes. This fact is particularly important against the background of the medicolegal significance of the subject. The description of learning objectives and curriculum development is desired both by FÄ and AiW.

Dataset Information

Antibiotic Prophylaxis for Cesarean Delivery: A Survey of Anesthesiologists.

Background

Methods

Results

Conclusion

Publications

Antibiotic Prophylaxis for Cesarean Delivery: A Survey of Anesthesiologists.

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