Chronic Rhinosinusitis: MALDI-TOF Mass Spectrometry Microbiological Diagnosis and Electron Microscopy Analysis; Experience of the 2nd Otorhinolaryngology Clinic of Cluj-Napoca, Romania.
MALDI-TOF MS
biofilms
chronic rhinosinusitis (CRS)
endoscopic sinus surgery
odontogenic sinusitis
Journal
Journal of clinical medicine
ISSN: 2077-0383
Titre abrégé: J Clin Med
Pays: Switzerland
ID NLM: 101606588
Informations de publication
Date de publication:
08 Dec 2020
08 Dec 2020
Historique:
received:
03
11
2020
revised:
27
11
2020
accepted:
02
12
2020
entrez:
11
12
2020
pubmed:
12
12
2020
medline:
12
12
2020
Statut:
epublish
Résumé
(1) Background: Chronic rhinosinusitis (CRS) represents a wide range of infectious-inflammatory processes affecting, simultaneously, the nose and paranasal sinuses mucosa. The paper presents outcomes of the investigation of CRS microbiological characteristics in a group of 32 patients. (2) Methods: The purulent samples were collected during functional endoscopic sinus surgery. Agar plates were incubated and examined. All types of colonies were identified using Matrix-Assisted Laser Desorption - Ionisation-Time of Flight Mass Spectrometry (MALDI-TOF MS). For scanning electron microscopy, samples were fixed and sputter-coated with 10 nm gold and analyzed using a scanning electron microscope. For transmission electron microscopy, samples were fixed, postfixed, and dehydrated. After polymerization, ultrathin sections were collected on carbon coated copper grids and analyzed with Jeol JEM1010 TEM. (3) Results: Positive microbiological diagnosis was obtained in 62.5% of cases. The most frequent species found are
Identifiants
pubmed: 33302509
pii: jcm9123973
doi: 10.3390/jcm9123973
pmc: PMC7763976
pii:
doi:
Types de publication
Journal Article
Langues
eng
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