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Profiles of primary brain abscesses and their impact on survival: An international ID-IRI study

M. Sahin, A. Mert, AN. Emecen, NP. Strunjas, L. Fasanekova, A. Batirel, IA. Darazam, S. Ansari, GG. Firouzjaei, R. Stebel, ET. Tigen, BE. Sengel, O. Dzupova, M. Belitova, M. Abid, ND. Demirbaş, S. Erol, H. Kul, AU. Pekok, TÜ. Ulusoy, H. Alay, ZM....

. 2024 ; 147 (-) : 107228. [pub] 20240830

Language English Country Canada

Document type Journal Article, Multicenter Study

OBJECTIVES: This study of 331 primary brain abscess (PBA) patients aimed to understand infecting agents, predisposing factors, and outcomes, with a focus on factors affecting mortality. METHODS: Data were collected from 39 centers across 16 countries between January 2010 and December 2022, and clinical, radiological, and microbiological findings, along with their impact on mortality, were analyzed. RESULTS: The patients had a mean ± SD age of 46.8 ± 16.3 years, with a male predominance of 71.6%. Common symptoms included headache (77.9%), fever (54.4%), and focal neurological deficits (53.5%). Gram-positive cocci were the predominant pathogens, with Viridans group streptococci identified as the most frequently isolated organisms. All patients received antimicrobial therapy and 71.6% underwent interventional therapies. The 42-day and 180-day survival rates were 91.9% and 86.1%, respectively. Significant predictors of 42-day mortality included intravenous drug addiction (HR: 6.02, 95% CI: 1.38-26.26), malignancy (HR: 3.61, 95% CI: 1.23-10.58), confusion (HR: 2.65, 95% CI: 1.19-5.88), and unidentified bacteria (HR: 4.68, 95% CI: 1.76-12.43). Significant predictors of 180-day mortality included malignancy (HR: 2.70, 95% CI: 1.07-6.81), confusion (HR: 2.14, 95% CI: 1.11-4.15), temporal lobe involvement (HR: 2.10, 95% CI: 1.08-4.08), and unidentified bacteria (HR: 3.02, 95% CI: 1.49-6.15). CONCLUSION: The risk of death in PBA extends beyond the infection phase, with different factors influencing the 42-day and 180-day mortality rates. Intravenous drug addiction was associated with early mortality, while temporal lobe involvement was associated with late mortality.

Bacha Khan Medical Complex Swabi Pakistan

Department of Anaesthesiology and Intensive Care Medical University Sofia University Hospital 'Queen Giovanna' ISUL EAD Sofia Bulgaria

Department of Clinical and Experimental Medicine Unit of Infectious Diseases ARNAS Garibaldi Hospital University of Catania Catania Italy

Department of Health Promotion Sciences Maternal and Infant Care Internal Medicine and Medical Specialties Infectious Disease Unit Policlinico 'P Giaccone' University of Palermo Palermo Italy

Department of Infectious Diseases 3rd Faculty of Medicine Charles University University Hospital Bulovka Prague Czech Republic

Department of Infectious Diseases and Clinical Microbiology Adnan Menderes University Aydin Türkiye

Department of Infectious Diseases and Clinical Microbiology Bezmi Alem University Faculty of Medicine Istanbul Türkiye

Department of Infectious Diseases and Clinical Microbiology Harran University Faculty of Medicine Sanliurfa Türkiye

Department of Infectious Diseases and Clinical Microbiology Health Sciences University Diskapi Yildirim Beyazit Training and Research Hospital Ankara Türkiye

Department of Infectious Diseases and Clinical Microbiology Istanbul Medipol University Faculty of Medicine Istanbul Türkiye

Department of Infectious Diseases and Clinical Microbiology Manisa City Hospital Manisa Türkiye

Department of Infectious Diseases and Clinical Microbiology Marmara University Faculty of Medicine Istanbul Türkiye

Department of Infectious Diseases and Clinical Microbiology Mersin City Hospital Mersin Türkiye

Department of Infectious Diseases and Clinical Microbiology Sisli Hamidiye Etfal Training and Research Hospital Istanbul Türkiye

Department of Infectious Diseases and Clinical Microbiology University of Health Sciences Elazig Fethi Sekin City Hospital Elazig Türkiye

Department of Infectious Diseases and Clinical Microbiology University of Health Sciences Haydarpasa Numune Training and Research Hospital Istanbul Türkiye

Department of Infectious Diseases and Clinical Microbiology University of Health Sciences Istanbul Kartal Dr Lutfi Kirdar City Hospital Istanbul Türkiye

Department of Infectious Diseases and Neuroinfections Medical University in Białystok Białystok Poland

Department of Infectious Diseases and Tropical Medicine Logman Hakim Shahid Beheshti University of Medical Sciences Tehran Iran

Department of Infectious Diseases Central Research Institute of Epidemiology Moscow Russia

Department of Infectious Diseases Ibn El Jazzar Medical School Farhat Hached University Hospital University of Sousse Sousse Tunisia

Department of Infectious Diseases Kandahar University Medical Faculty Teaching Hospital Kandahar Afghanistan

Department of Infectious Diseases of Clinical Microbiology Istanbul Aydın University Faculty of Medicine VM Medical Park Pendik Hospital Istanbul Türkiye

Department of Infectious Diseases University Hospital Brno and Faculty of Medicine Masaryk University Brno Czech Republic

Department of Infectious Diseases University Medical Center Ljubljana Ljubljana Slovenia

Department of Medicine King Saud University Riyadh Saudi Arabia

Department of Microbiology Necmettin Erbakan University Meram Medical School Hospital Konya Türkiye

Department of Neurology Damascus Hospital Damascus Syria

Department of Neuroscience University of Medicine Service of Neurosurgery University Hospital Center Mother Theresa Tirana Albania

Department of Neurosurgery Ankara City Hospital Ankara Türkiye

Dokuz Eylul University Research and Application Hospital Izmir Türkiye

Faculty of Medicine Department of Clinical Pathology Cairo University Cairo Egypt

Faculty of Medicine Department of Infectious Diseases and Clinical Microbiology Ataturk University Erzurum Türkiye

Faculty of Medicine Department of Infectious Diseases and Clinical Microbiology Canakkale Onsekiz Mart University Canakkale Türkiye

Faculty of Medicine Department of Infectious Diseases and Clinical Microbiology Ege University Izmir Türkiye

Faculty of Medicine Department of Infectious Diseases and Clinical Microbiology Firat University Elazig Türkiye

Faculty of Medicine Department of Neurosurgery Ataturk University Erzurum Türkiye

Guilan Road Trauma Research Center Guilan University of Medical Sciences Rasht Iran

Gulhane School of Medicine Department of Infectious Diseases and Clinical Microbiology University of Health Sciences Ankara Türkiye

Hospital Nitra St Elisabeth University of Health Care and Social Work Bratislava Slovak Republic

Infectious Diseases and Tropical Medicine Research Center Shahid Beheshti University of Medical Sciences Tehran Iran

St Marina University Hospital Varna Bulgaria

Unit of Infectious Diseases Azienda provinciale per i Servizi Sanitari Santa Chiara Hospital Trento Italy

References provided by Crossref.org

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$a Sahin, Meyha $u Department of Infectious Diseases and Clinical Microbiology, Istanbul Medipol University Faculty of Medicine, Istanbul, Türkiye. Electronic address: meyha.sahin@medipol.edu.tr
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$a Profiles of primary brain abscesses and their impact on survival: An international ID-IRI study / $c M. Sahin, A. Mert, AN. Emecen, NP. Strunjas, L. Fasanekova, A. Batirel, IA. Darazam, S. Ansari, GG. Firouzjaei, R. Stebel, ET. Tigen, BE. Sengel, O. Dzupova, M. Belitova, M. Abid, ND. Demirbaş, S. Erol, H. Kul, AU. Pekok, TÜ. Ulusoy, H. Alay, ZM. Amiri, A. Cascio, MK. Karadağ, E. Kolovani, N. Mladenov, E. Ramosaco, OR. Sipahi, G. Şanlıdağ, A. El-Kholy, G. Okay, N. Pshenichnaya, MS. Şahinoğlu, S. Alkan, M. Özdemir, BA. Rahimi, GE. Karlidag, ŞÖ. Balin, A. Liskova, A. Jouhar, F. Almajid, X. Artur, M. Çelik, A. Khan, M. Lanzafame, A. Marıno, A. Şenol, S. Oncu, M. Uğuz, J. Zajkowska, H. Erdem
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$a OBJECTIVES: This study of 331 primary brain abscess (PBA) patients aimed to understand infecting agents, predisposing factors, and outcomes, with a focus on factors affecting mortality. METHODS: Data were collected from 39 centers across 16 countries between January 2010 and December 2022, and clinical, radiological, and microbiological findings, along with their impact on mortality, were analyzed. RESULTS: The patients had a mean ± SD age of 46.8 ± 16.3 years, with a male predominance of 71.6%. Common symptoms included headache (77.9%), fever (54.4%), and focal neurological deficits (53.5%). Gram-positive cocci were the predominant pathogens, with Viridans group streptococci identified as the most frequently isolated organisms. All patients received antimicrobial therapy and 71.6% underwent interventional therapies. The 42-day and 180-day survival rates were 91.9% and 86.1%, respectively. Significant predictors of 42-day mortality included intravenous drug addiction (HR: 6.02, 95% CI: 1.38-26.26), malignancy (HR: 3.61, 95% CI: 1.23-10.58), confusion (HR: 2.65, 95% CI: 1.19-5.88), and unidentified bacteria (HR: 4.68, 95% CI: 1.76-12.43). Significant predictors of 180-day mortality included malignancy (HR: 2.70, 95% CI: 1.07-6.81), confusion (HR: 2.14, 95% CI: 1.11-4.15), temporal lobe involvement (HR: 2.10, 95% CI: 1.08-4.08), and unidentified bacteria (HR: 3.02, 95% CI: 1.49-6.15). CONCLUSION: The risk of death in PBA extends beyond the infection phase, with different factors influencing the 42-day and 180-day mortality rates. Intravenous drug addiction was associated with early mortality, while temporal lobe involvement was associated with late mortality.
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