Optimization of Perioperative Antibiotic Prophylaxis in Patients Allergic to Beta-lactams in the Orthopedic Surgery and Trauma Departments

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

50 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-07-11

Study Completion Date

2026-07-11

Brief Summary

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When surgery is required, a consultation with an anesthesiologist is mandatory. This preoperative consultation allows for the selection of the appropriate antibiotic prophylaxis tailored to the patient and the type of procedure. The French Society of Anesthesiology and Intensive Care (SFAR) has published recommendations on antibiotic prophylaxis for different types of surgery. During this consultation, several topics are addressed, including drug allergies. This topic plays a central role in the choice of antibiotic prophylaxis.

Ten percent of the population is labeled as allergic to beta-lactams, but only 1% actually are. Diagnosis is difficult and requires specialized teams. In response to the significant increase in patients labeled as allergic, and consequently the rise in requests to specialists, a scoring system has been developed for use by all physicians: the PEN FAST score. This score stratifies the risk of a true penicillin allergy and guides the selection of delabeling strategies. The test aims to eliminate the need for skin prick tests and allows for the direct reintroduction of the drug when the score is below 3. It is based on five questions. Each question is assigned a point value, which is used to calculate a score and thus an estimated risk.

The primary objective of this study is to improve the management of patients allergic to beta-lactams in orthopedic and trauma surgery by ensuring optimal and appropriate intraoperative antibiotic prophylaxis.

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Detailed Description

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Conditions

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Beta Lactam Adverse Reaction

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Adult patient (≥ 18 years old)
* Patient operated on at Strasbourg University Hospital between January 1, 2023, and December 31, 2023, for total knee, shoulder, or hip replacement.
* Patients who underwent surgery at Strasbourg University Hospital between March 1, 2025, and July 31, 2025, involving surgery requiring intraoperative antibiotic prophylaxis.