Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous Spondylodiscitis

Gas in the intervertebral disc is mainly associated with degenerative disc diseases and experts generally assume that it is unlikely in spinal infection. However, large-scale studies supporting this notion are lacking, which is why our study’s aim was to analyze the prevalence of and factors associa...

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Main Authors: Friederike Schömig, Zhao Li, Luis Becker, Tu-Lan Vu-Han, Matthias Pumberger, Torsten Diekhoff
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Diagnostics
Subjects:
Online Access:https://www.mdpi.com/2075-4418/12/5/1089
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author Friederike Schömig
Zhao Li
Luis Becker
Tu-Lan Vu-Han
Matthias Pumberger
Torsten Diekhoff
author_facet Friederike Schömig
Zhao Li
Luis Becker
Tu-Lan Vu-Han
Matthias Pumberger
Torsten Diekhoff
author_sort Friederike Schömig
collection DOAJ
description Gas in the intervertebral disc is mainly associated with degenerative disc diseases and experts generally assume that it is unlikely in spinal infection. However, large-scale studies supporting this notion are lacking, which is why our study’s aim was to analyze the prevalence of and factors associated with the occurrence of gas in patients with spontaneous spondylodiscitis. Patients presenting with spontaneous spondylodiscitis from 2006 to 2020 were included retrospectively. Exclusion criteria were previous interventions in the same spinal segment and missing imaging data. Clinical data were retrieved from electronic medical reports. Computed tomography (CT) scans were evaluated for the presence of intervertebral gas. Causative pathogens were identified from CT-guided biopsy, open biopsy, intraoperative tissue samples, and/or blood cultures. 135 patients with a mean age of 66.0 ± 13.7 years were included. In 93 patients (68.9%), a causative pathogen was found. Intervertebral gas was found in 31 patients (23.0%) in total and in 19 patients (20.4%) with positive microbiology. Patients with gas presented with significantly higher body temperatures (37.2 ± 1.1 vs. 36.8 ± 0.7 °C, <i>p</i> = 0.044) and CRP levels (134.2 ± 127.1 vs. 89.8 ± 97.3 mg/L, <i>p</i> = 0.040) on admission. As a considerable number of patients with spondylodiscitis showed intervertebral gas formation, the detection of intervertebral gas is not suited to ruling out spondylodiscitis but must be interpreted in the context of other imaging and clinical findings, especially in elderly patients.
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spelling doaj.art-2ccf56e09c784cdca9f0d1adf5d035762023-11-23T10:39:10ZengMDPI AGDiagnostics2075-44182022-04-01125108910.3390/diagnostics12051089Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous SpondylodiscitisFriederike Schömig0Zhao Li1Luis Becker2Tu-Lan Vu-Han3Matthias Pumberger4Torsten Diekhoff5Center for Musculoskeletal Surgery, Charité—University Medicine Berlin, Charitéplatz 1, 10117 Berlin, GermanyCenter for Musculoskeletal Surgery, Charité—University Medicine Berlin, Charitéplatz 1, 10117 Berlin, GermanyCenter for Musculoskeletal Surgery, Charité—University Medicine Berlin, Charitéplatz 1, 10117 Berlin, GermanyCenter for Musculoskeletal Surgery, Charité—University Medicine Berlin, Charitéplatz 1, 10117 Berlin, GermanyCenter for Musculoskeletal Surgery, Charité—University Medicine Berlin, Charitéplatz 1, 10117 Berlin, GermanyDepartment of Radiology, Charité—University Medicine Berlin, Charitéplatz 1, 10117 Berlin, GermanyGas in the intervertebral disc is mainly associated with degenerative disc diseases and experts generally assume that it is unlikely in spinal infection. However, large-scale studies supporting this notion are lacking, which is why our study’s aim was to analyze the prevalence of and factors associated with the occurrence of gas in patients with spontaneous spondylodiscitis. Patients presenting with spontaneous spondylodiscitis from 2006 to 2020 were included retrospectively. Exclusion criteria were previous interventions in the same spinal segment and missing imaging data. Clinical data were retrieved from electronic medical reports. Computed tomography (CT) scans were evaluated for the presence of intervertebral gas. Causative pathogens were identified from CT-guided biopsy, open biopsy, intraoperative tissue samples, and/or blood cultures. 135 patients with a mean age of 66.0 ± 13.7 years were included. In 93 patients (68.9%), a causative pathogen was found. Intervertebral gas was found in 31 patients (23.0%) in total and in 19 patients (20.4%) with positive microbiology. Patients with gas presented with significantly higher body temperatures (37.2 ± 1.1 vs. 36.8 ± 0.7 °C, <i>p</i> = 0.044) and CRP levels (134.2 ± 127.1 vs. 89.8 ± 97.3 mg/L, <i>p</i> = 0.040) on admission. As a considerable number of patients with spondylodiscitis showed intervertebral gas formation, the detection of intervertebral gas is not suited to ruling out spondylodiscitis but must be interpreted in the context of other imaging and clinical findings, especially in elderly patients.https://www.mdpi.com/2075-4418/12/5/1089spine surgeryinfectionspondylodiscitisdiagnosisvacuum phenomenon
spellingShingle Friederike Schömig
Zhao Li
Luis Becker
Tu-Lan Vu-Han
Matthias Pumberger
Torsten Diekhoff
Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous Spondylodiscitis
Diagnostics
spine surgery
infection
spondylodiscitis
diagnosis
vacuum phenomenon
title Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous Spondylodiscitis
title_full Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous Spondylodiscitis
title_fullStr Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous Spondylodiscitis
title_full_unstemmed Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous Spondylodiscitis
title_short Gas within the Intervertebral Disc Does Not Rule Out Spinal Infection—A Case Series of 135 Patients with Spontaneous Spondylodiscitis
title_sort gas within the intervertebral disc does not rule out spinal infection a case series of 135 patients with spontaneous spondylodiscitis
topic spine surgery
infection
spondylodiscitis
diagnosis
vacuum phenomenon
url https://www.mdpi.com/2075-4418/12/5/1089
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