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Article

Alert Germ Infections: Chest X-ray and CT Findings in Hospitalized Patients Affected by Multidrug-Resistant Acinetobacter baumannii Pneumonia

1
Department of Radiology, CTO Hospital, Azienda Ospedaliera dei Colli, 80131 Naples, Italy
2
Department of Public Health, University Federico II of Naples, 80138 Napoli, Italy
3
Department of Radiology, Monaldi Hospital, Azienda Ospedaliera dei Colli, 80131 Naples, Italy
4
Department of Translational Medical Sciences, Section of Pediatrics, University Federico II of Naples, 80138 Napoli, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Emilio Quaia
Tomography 2022, 8(3), 1534-1543; https://doi.org/10.3390/tomography8030126
Received: 15 April 2022 / Revised: 7 June 2022 / Accepted: 9 June 2022 / Published: 14 June 2022
Acinetobacter baumannii (Ab) is an opportunistic Gram-negative pathogen intrinsically resistant to many antimicrobials. The aim of this retrospective study was to describe the imaging features on chest X-ray (CXR) and computed tomography (CT) scans in hospitalized patients with multidrug-resistant (MDR) Ab pneumonia. CXR and CT findings were graded on a three-point scale: 1 represents normal attenuation, 2 represents ground-glass attenuation, and 3 represents consolidation. For each lung zone, with a total of six lung zones in each patient, the extent of disease was graded using a five-point scale: 0, no involvement; 1, involving 25% of the zone; 2, 25–50%; 3, 50–75%; and 4, involving >75% of the zone. Points from all zones were added for a final total cumulative score ranging from 0 to 72. Among 94 patients who tested positive for MDR Ab and underwent CXR (males 52.9%, females 47.1%; mean age 64.2 years; range 1–90 years), 68 patients underwent both CXR and chest CT examinations. The percentage of patients with a positive CT score was significantly higher than that obtained on CXR (67.65% > 35.94%, p-value = 0.00258). CT score (21.88 ± 15.77) was significantly (p-value = 0.0014) higher than CXR score (15.06 ± 18.29). CXR and CT revealed prevalent bilateral abnormal findings mainly located in the inferior and middle zones of the lungs. They primarily consisted of peripheral ground-glass opacities and consolidations which predominated on CXR and CT, respectively. View Full-Text
Keywords: Acinetobacter pneumonia; multidrug resistance; chest X-ray; chest tomography; ground-glass; consolidation Acinetobacter pneumonia; multidrug resistance; chest X-ray; chest tomography; ground-glass; consolidation
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MDPI and ACS Style

Capasso, R.; Pinto, A.; Serra, N.; Atripaldi, U.; Corcione, A.; Bocchini, G.; Guarino, S.; Lieto, R.; Rea, G.; Sica, G.; Valente, T. Alert Germ Infections: Chest X-ray and CT Findings in Hospitalized Patients Affected by Multidrug-Resistant Acinetobacter baumannii Pneumonia. Tomography 2022, 8, 1534-1543. https://doi.org/10.3390/tomography8030126

AMA Style

Capasso R, Pinto A, Serra N, Atripaldi U, Corcione A, Bocchini G, Guarino S, Lieto R, Rea G, Sica G, Valente T. Alert Germ Infections: Chest X-ray and CT Findings in Hospitalized Patients Affected by Multidrug-Resistant Acinetobacter baumannii Pneumonia. Tomography. 2022; 8(3):1534-1543. https://doi.org/10.3390/tomography8030126

Chicago/Turabian Style

Capasso, Raffaella, Antonio Pinto, Nicola Serra, Umberto Atripaldi, Adele Corcione, Giorgio Bocchini, Salvatore Guarino, Roberta Lieto, Gaetano Rea, Giacomo Sica, and Tullio Valente. 2022. "Alert Germ Infections: Chest X-ray and CT Findings in Hospitalized Patients Affected by Multidrug-Resistant Acinetobacter baumannii Pneumonia" Tomography 8, no. 3: 1534-1543. https://doi.org/10.3390/tomography8030126

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