Image-Guided Percutaneous Needle Biopsy for Infectious Spondylitis: Factors Affecting Culture Positivity
2015
edle biopsy)이 주로 시행되고 있다(4). 그러나 실제 감염이 있 Purpose: To evaluate the variable factors affecting the results of percutaneous needle biopsies for infectious spondylitis. Materials and Methods: In all, 249 patients who underwent both MRI and percutaneous needle biopsies due to a suspicion of infectious spondylitis were evaluated with respect to the following factors: the usage of antibiotics before the procedure, the location of the biopsy, the guiding equipment used, the experience level of the operators, and the number of biopsies performed. Results: The positivity of culture in cases of treated with antibiotics (16.3%) before the biopsy was lower than in the untreated cases (30.5%) (p = 0.004). Biopsies performed at the abscess (43.5%) and with fluoroscopic guidance (27.8%) showed higher culture positivity as well. The experience level of the operators and the number of biopsies had no effect on culture positivity. Conclusion: The usage of antibiotics before the biopsy, the biopsy’s location, and the guiding equipment used affect the culture positivity, while the experience levels of the operators and the number of biopsies do not have an effect.
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