A L McNamara1, E C Dickerson2, D M Gomez-Hassan3, S K Cinti3, A Srinivasan3. 1. From the University of Michigan Health System (A.L.M., D.M.G.-H., S.K.C., A.S.), Ann Arbor, Michigan alyssamcn@gmail.com. 2. University of California, San Francisco (E.C.D.), San Francisco, California. 3. From the University of Michigan Health System (A.L.M., D.M.G.-H., S.K.C., A.S.), Ann Arbor, Michigan.
Abstract
BACKGROUND: Image-guided biopsy is routinely conducted in patients with suspected discitis, though the sensitivity reported in the literature ranges widely. PURPOSE: We applied a systematic review and meta-analysis to estimate the yield of image-guided biopsy for infectious discitis. DATA SOURCES: We performed a literature search of 4 data bases: PubMed, Cochrane CENTRAL Register of Controlled Trials, Embase.com, and Scopus from data base inception to March 2016. STUDY SELECTION: A screen of 1814 articles identified 88 potentially relevant articles. Data were extracted for 33 articles, which were eligible if they were peer-reviewed publications of patients with clinical suspicion of discitis who underwent image-guided biopsy. DATA ANALYSIS: Patients with positive cultures out of total image-guided biopsy procedures were pooled to estimate yield with 95% confidence intervals. Hypothesis testing was performed with an inverse variance method after logit transformation. DATA SYNTHESIS: Image-guided biopsy has a yield of approximately 48% (793/1763), which is significantly lower than the open surgical biopsy yield of 76% (152/201; P < .01). Biopsy in patients with prior antibiotic exposure had a yield of 32% (106/346), which was not significantly different from the yield of 43% (336/813; P = .08) in patients without prior antibiotic exposure. LIMITATIONS: The conclusions of this meta-analysis are primarily limited by the heterogeneity of the included studies. CONCLUSIONS: Image-guided biopsy has a moderate yield for the diagnosis of infectious discitis, which is significantly lower than the yield of open surgical biopsy. This yield is not significantly affected by prior antibiotic use.
BACKGROUND: Image-guided biopsy is routinely conducted in patients with suspected discitis, though the sensitivity reported in the literature ranges widely. PURPOSE: We applied a systematic review and meta-analysis to estimate the yield of image-guided biopsy for infectious discitis. DATA SOURCES: We performed a literature search of 4 data bases: PubMed, Cochrane CENTRAL Register of Controlled Trials, Embase.com, and Scopus from data base inception to March 2016. STUDY SELECTION: A screen of 1814 articles identified 88 potentially relevant articles. Data were extracted for 33 articles, which were eligible if they were peer-reviewed publications of patients with clinical suspicion of discitis who underwent image-guided biopsy. DATA ANALYSIS: Patients with positive cultures out of total image-guided biopsy procedures were pooled to estimate yield with 95% confidence intervals. Hypothesis testing was performed with an inverse variance method after logit transformation. DATA SYNTHESIS: Image-guided biopsy has a yield of approximately 48% (793/1763), which is significantly lower than the open surgical biopsy yield of 76% (152/201; P < .01). Biopsy in patients with prior antibiotic exposure had a yield of 32% (106/346), which was not significantly different from the yield of 43% (336/813; P = .08) in patients without prior antibiotic exposure. LIMITATIONS: The conclusions of this meta-analysis are primarily limited by the heterogeneity of the included studies. CONCLUSIONS: Image-guided biopsy has a moderate yield for the diagnosis of infectious discitis, which is significantly lower than the yield of open surgical biopsy. This yield is not significantly affected by prior antibiotic use.
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Authors: Lars Christian Haugli Bråten; Mads Peder Rolfsen; Ansgar Espeland; Monica Wigemyr; Jörg Aßmus; Anne Froholdt; Anne Julsrud Haugen; Gunn Hege Marchand; Per Martin Kristoffersen; Olav Lutro; Sigrun Randen; Maja Wilhelmsen; Bendik Slagsvold Winsvold; Thomas Istvan Kadar; Thor Einar Holmgard; Maria Dehli Vigeland; Nils Vetti; Øystein Petter Nygaard; Benedicte Alexandra Lie; Christian Hellum; Audny Anke; Margreth Grotle; Elina Iordanova Schistad; Jan Sture Skouen; Lars Grøvle; Jens Ivar Brox; John-Anker Zwart; Kjersti Storheim Journal: BMJ Date: 2019-10-16