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Bereanu AS, Vintilă BI, Bereanu R, Codru IR, Hașegan A, Olteanu C, Săceleanu V, Sava M. TiO 2 Nanocomposite Coatings and Inactivation of Carbapenemase-Producing Klebsiella Pneumoniae Biofilm-Opportunities and Challenges. Microorganisms 2024; 12:684. [PMID: 38674628 PMCID: PMC11051735 DOI: 10.3390/microorganisms12040684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
The worldwide increase of multidrug-resistant Gram-negative bacteria is a global threat. The emergence and global spread of Klebsiella pneumoniae carbapenemase- (KPC-) producing Klebsiella pneumoniae represent a particular concern. This pathogen has increased resistance and abilities to persist in human reservoirs, in hospital environments, on medical devices, and to generate biofilms. Mortality related to this microorganism is high among immunosuppressed oncological patients and those with multiple hospitalizations and an extended stay in intensive care. There is a severe threat posed by the ability of biofilms to grow and resist antibiotics. Various nanotechnology-based strategies have been studied and developed to prevent and combat serious health problems caused by biofilm infections. The aim of this review was to evaluate the implications of nanotechnology in eradicating biofilms with KPC-producing Klebsiella pneumoniae, one of the bacteria most frequently associated with nosocomial infections in intensive care units, including in our department, and to highlight studies presenting the potential applicability of TiO2 nanocomposite materials in hospital practice. We also described the frequency of the presence of bacterial biofilms on medical surfaces, devices, and equipment. TiO2 nanocomposite coatings are one of the best long-term options for antimicrobial efficacy due to their biocompatibility, stability, corrosion resistance, and low cost; they find their applicability in hospital practice due to their critical antimicrobial role for surfaces and orthopedic and dental implants. The International Agency for Research on Cancer has recently classified titanium dioxide nanoparticles (TiO2 NPs) as possibly carcinogenic. Currently, there is an interest in the ecological, non-toxic synthesis of TiO2 nanoparticles via biological methods. Biogenic, non-toxic nanoparticles have remarkable properties due to their biocompatibility, stability, and size. Few studies have mentioned the use of nanoparticle-coated surfaces as antibiofilm agents. A literature review was performed to identify publications related to KPC-producing Klebsiella pneumoniae biofilms and antimicrobial TiO2 photocatalytic nanocomposite coatings. There are few reviews on the antibacterial and antibiofilm applications of TiO2 photocatalytic nanocomposite coatings. TiO2 nanoparticles demonstrated marked antibiofilm activity, but being nano in size, these nanoparticles can penetrate cell membranes and may initiate cellular toxicity and genotoxicity. Biogenic TiO2 nanoparticles obtained via green, ecological technology have less applicability but are actively investigated.
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Affiliation(s)
- Alina-Simona Bereanu
- Faculty of Medicine, Lucian Blaga University of Sibiu, Lucian Blaga Street 2A, 550169 Sibiu, Romania; (A.-S.B.); (R.B.); (A.H.); (V.S.); (M.S.)
- County Clinical Emergency Hospital, Bld. Corneliu Coposu nr. 2-4, 550245 Sibiu, Romania;
| | - Bogdan Ioan Vintilă
- Faculty of Medicine, Lucian Blaga University of Sibiu, Lucian Blaga Street 2A, 550169 Sibiu, Romania; (A.-S.B.); (R.B.); (A.H.); (V.S.); (M.S.)
- County Clinical Emergency Hospital, Bld. Corneliu Coposu nr. 2-4, 550245 Sibiu, Romania;
| | - Rareș Bereanu
- Faculty of Medicine, Lucian Blaga University of Sibiu, Lucian Blaga Street 2A, 550169 Sibiu, Romania; (A.-S.B.); (R.B.); (A.H.); (V.S.); (M.S.)
| | - Ioana Roxana Codru
- Faculty of Medicine, Lucian Blaga University of Sibiu, Lucian Blaga Street 2A, 550169 Sibiu, Romania; (A.-S.B.); (R.B.); (A.H.); (V.S.); (M.S.)
- County Clinical Emergency Hospital, Bld. Corneliu Coposu nr. 2-4, 550245 Sibiu, Romania;
| | - Adrian Hașegan
- Faculty of Medicine, Lucian Blaga University of Sibiu, Lucian Blaga Street 2A, 550169 Sibiu, Romania; (A.-S.B.); (R.B.); (A.H.); (V.S.); (M.S.)
- County Clinical Emergency Hospital, Bld. Corneliu Coposu nr. 2-4, 550245 Sibiu, Romania;
| | - Ciprian Olteanu
- County Clinical Emergency Hospital, Bld. Corneliu Coposu nr. 2-4, 550245 Sibiu, Romania;
| | - Vicențiu Săceleanu
- Faculty of Medicine, Lucian Blaga University of Sibiu, Lucian Blaga Street 2A, 550169 Sibiu, Romania; (A.-S.B.); (R.B.); (A.H.); (V.S.); (M.S.)
- County Clinical Emergency Hospital, Bld. Corneliu Coposu nr. 2-4, 550245 Sibiu, Romania;
| | - Mihai Sava
- Faculty of Medicine, Lucian Blaga University of Sibiu, Lucian Blaga Street 2A, 550169 Sibiu, Romania; (A.-S.B.); (R.B.); (A.H.); (V.S.); (M.S.)
- County Clinical Emergency Hospital, Bld. Corneliu Coposu nr. 2-4, 550245 Sibiu, Romania;
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Vintila BI, Arseniu AM, Morgovan C, Butuca A, Bîrluțiu V, Dobrea CM, Rus LL, Ghibu S, Bereanu AS, Arseniu R, Roxana Codru I, Sava M, Gabriela Gligor F. A Real-World Study on the Clinical Characteristics, Outcomes, and Relationship between Antibiotic Exposure and Clostridioides difficile Infection. Antibiotics (Basel) 2024; 13:144. [PMID: 38391530 PMCID: PMC10885986 DOI: 10.3390/antibiotics13020144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/24/2024] Open
Abstract
Clostridioides difficile is a Gram-positive bacteria that causes nosocomial infections, significantly impacting public health. In the present study, we aimed to describe the clinical characteristics, outcomes, and relationship between antibiotic exposure and Clostridioides difficile infection (CDI) in patients based on reports from two databases. Thus, we conducted a retrospective study of patients diagnosed with CDI from Sibiu County Clinical Emergency Hospital (SCCEH), Romania, followed by a descriptive analysis based on spontaneous reports submitted to the EudraVigilance (EV) database. From 1 January to 31 December 2022, we included 111 hospitalized patients with CDI from SCCEH. Moreover, 249 individual case safety reports (ICSRs) from EVs were analyzed. According to the data collected from SCCEH, CDI was most frequently reported in patients aged 65-85 years (66.7%) and in females (55%). In total, 71.2% of all patients showed positive medical progress. Most cases were reported in the internal medicine (n = 30, 27%), general surgery (n = 26, 23.4%), and infectious disease (n = 22, 19.8%) departments. Patients were most frequently exposed to ceftriaxone (CFT) and meropenem (MER). Also, in the EV database, most CDI-related ADRs were reported for CFT, PIP/TAZ (piperacillin/tazobactam), MER, and CPX (ciprofloxacin). Understanding the association between previous antibiotic exposure and the risk of CDI may help update antibiotic stewardship protocols and reduce the incidence of CDI by lowering exposure to high-risk antibiotics.
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Affiliation(s)
- Bogdan Ioan Vintila
- Clinical Surgical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 550245 Sibiu, Romania
| | - Anca Maria Arseniu
- Preclinical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
| | - Claudiu Morgovan
- Preclinical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
| | - Anca Butuca
- Preclinical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
| | - Victoria Bîrluțiu
- County Clinical Emergency Hospital, 550245 Sibiu, Romania
- Clinical Medical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
| | - Carmen Maximiliana Dobrea
- Preclinical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
| | - Luca Liviu Rus
- Preclinical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
| | - Steliana Ghibu
- Department of Pharmacology, Physiology and Pathophysiology, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Alina Simona Bereanu
- Clinical Surgical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 550245 Sibiu, Romania
| | - Rares Arseniu
- County Emergency Clinical Hospital "Pius Brînzeu", 300723 Timișoara, Romania
| | - Ioana Roxana Codru
- Clinical Surgical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 550245 Sibiu, Romania
| | - Mihai Sava
- Clinical Surgical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 550245 Sibiu, Romania
| | - Felicia Gabriela Gligor
- Preclinical Department, Faculty of Medicine, "Lucian Blaga" University of Sibiu, 550169 Sibiu, Romania
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Vintila BI, Arseniu AM, Morgovan C, Butuca A, Sava M, Bîrluțiu V, Rus LL, Ghibu S, Bereanu AS, Roxana Codru I, Gligor FG. A Pharmacovigilance Study Regarding the Risk of Antibiotic-Associated Clostridioides difficile Infection Based on Reports from the EudraVigilance Database: Analysis of Some of the Most Used Antibiotics in Intensive Care Units. Pharmaceuticals (Basel) 2023; 16:1585. [PMID: 38004450 PMCID: PMC10675398 DOI: 10.3390/ph16111585] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 10/29/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
The Gram-positive anaerobic bacterium Clostridioides difficile (CD) can produce intense exotoxins, contributing to nosocomial infections, and it is the most common cause of health-care-associated infectious diarrhea. Based on spontaneous Individual Case Safety Reports from EudraVigilance (EV), we conducted a descriptive analysis of Clostridioides difficile infection (CDI) cases that reported a spontaneous adverse reaction related to using ceftriaxone, colistimethate, ciprofloxacin, gentamicin, linezolid, meropenem, and piperacillin/tazobactam. Most ADR reports registered in EV that were related to CDI were associated with ceftriaxone (33%), ciprofloxacin (28%), and piperacillin/tazobactam (21%). Additionally, the disproportionality analysis performed showed that all studied antibiotics had a lower reporting probability when compared to clindamycin. A causal relationship between a drug and the occurrence of an adverse reaction cannot be established from EV data alone because the phenomena of underreporting, overreporting, and reporting bias may affect the results. Based on the analysis of the collected data, this study underlines the importance of surveillance and monitoring programs for the consumption of antibiotics. Furthermore, it is essential to use standardized laboratory tests to define CDI's nature accurately. To prevent this infection, specialists should collaborate and adhere strictly to antibiotic stewardship programs, hygiene practices, and isolation protocols.
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Affiliation(s)
- Bogdan Ioan Vintila
- Clinical Surgical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (B.I.V.); (A.S.B.); (I.R.C.)
- County Clinical Emergency Hospital, 550245 Sibiu, Romania;
| | - Anca Maria Arseniu
- Preclinical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (C.M.); (A.B.); (L.L.R.); (F.G.G.)
| | - Claudiu Morgovan
- Preclinical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (C.M.); (A.B.); (L.L.R.); (F.G.G.)
| | - Anca Butuca
- Preclinical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (C.M.); (A.B.); (L.L.R.); (F.G.G.)
| | - Mihai Sava
- Clinical Surgical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (B.I.V.); (A.S.B.); (I.R.C.)
- County Clinical Emergency Hospital, 550245 Sibiu, Romania;
| | - Victoria Bîrluțiu
- County Clinical Emergency Hospital, 550245 Sibiu, Romania;
- Clinical Medical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania
| | - Luca Liviu Rus
- Preclinical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (C.M.); (A.B.); (L.L.R.); (F.G.G.)
| | - Steliana Ghibu
- Department of Pharmacology, Physiology and Pathophysiology, Faculty of Pharmacy, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Alina Simona Bereanu
- Clinical Surgical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (B.I.V.); (A.S.B.); (I.R.C.)
- County Clinical Emergency Hospital, 550245 Sibiu, Romania;
| | - Ioana Roxana Codru
- Clinical Surgical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (B.I.V.); (A.S.B.); (I.R.C.)
- County Clinical Emergency Hospital, 550245 Sibiu, Romania;
| | - Felicia Gabriela Gligor
- Preclinical Department, Faculty of Medicine, “Lucian Blaga” University of Sibiu, 550169 Sibiu, Romania; (C.M.); (A.B.); (L.L.R.); (F.G.G.)
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Codru IR, Sava M, Vintilă BI, Bereanu AS, Bîrluțiu V. A Study on the Contributions of Sonication to the Identification of Bacteria Associated with Intubation Cannula Biofilm and the Risk of Ventilator-Associated Pneumonia. Medicina (Kaunas) 2023; 59:1058. [PMID: 37374262 DOI: 10.3390/medicina59061058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/27/2023] [Accepted: 05/28/2023] [Indexed: 06/29/2023]
Abstract
Ventilator-associated pneumonia is one of the most severe complications of critically ill patients that need mechanical respiratory support, as it poses a significant risk of prolonging hospitalization, disability, and even death. This is why physicians worldwide target newer methods for prevention, early diagnosis, and early target treatment for this condition. There are few methods for a quick etiological diagnosis of pneumonia, especially point of care, and most are only readily available in some intensive care units. This is why a new, simple, and cheap method is needed for determining the bacteria that might be infectious in a particular patient. The manner in question is sonication. Method: In this prospective, observational, single-center study, endotracheal cannula specimens will be collected from at least 100 patients in our intensive care unit. This specimen will be submitted to a specific sonication protocol for bacteria to dislodge the biofilm inside the cannula. The resulting liquid will be seeded on growth media, and then a comparison will be made between the germs in the biofilm and the ones in the tracheal secretion of the patient. The primary purpose is to determine the bacteria before the appearance of a manifest infection.
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Affiliation(s)
- Ioana Roxana Codru
- Faculty of Medicine, Lucian Blaga University, 2A, Lucian Blaga Str., 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 2-4, Corneliu Coposu Bld., 550245 Sibiu, Romania
| | - Mihai Sava
- Faculty of Medicine, Lucian Blaga University, 2A, Lucian Blaga Str., 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 2-4, Corneliu Coposu Bld., 550245 Sibiu, Romania
| | - Bogdan Ioan Vintilă
- Faculty of Medicine, Lucian Blaga University, 2A, Lucian Blaga Str., 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 2-4, Corneliu Coposu Bld., 550245 Sibiu, Romania
| | - Alina Simona Bereanu
- Faculty of Medicine, Lucian Blaga University, 2A, Lucian Blaga Str., 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 2-4, Corneliu Coposu Bld., 550245 Sibiu, Romania
| | - Victoria Bîrluțiu
- Faculty of Medicine, Lucian Blaga University, 2A, Lucian Blaga Str., 550169 Sibiu, Romania
- County Clinical Emergency Hospital, 2-4, Corneliu Coposu Bld., 550245 Sibiu, Romania
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