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How long would you hold antibiotics before performing a vertebral biopsy to optimize culture yield in a patient who has been on empiric antibiotics for a week for suspected vertebral osteomyelitis?

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How long would you hold antibiotics before performing a vertebral biopsy to optimize culture yield in a patient who has been on empiric antibiotics for a week for suspected vertebral osteomyelitis?

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3 Answers
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Infectious Disease · Saint Francis Hospital
Answered on

I would devote my efforts to obtaining a sample for WGS or other molecular technology and (briefly) delay sampling until an administrative route has been identified. If absolutely not available, antibiotics delay would depend on a) clinical status of the patient and b) tissue T1/2 of antibiotics adm...

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Infectious Disease · Christiana Care Health Syst
Answered on · Updated on

I think the heart of this question is to better understand why the patient was started on empiric antibiotics. The 2015 IDSA guidelines for vertebral osteo endorse holding abx in clinically stable patients to optimize cultures, which is obviously the most ideal situation, and where I have pushed for...

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Infectious Disease · University of Minnesota Medical School, Minneapolis, Minnesota, United States
Answered on

This question was asked in this study. It showed that the yield started to increase significantly after 4 days of holding antibiotics. It depends on what antibiotics the patient is on as well. Practically speaking, it is reasonable to perform a biopsy on one antibiotic, which I think would be a suit...

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