Publications by authors named "Bahgat Gerges"

Candida auris is a rapidly spreading virulent pathogen frequently resistant to multiple antifungal drugs that can form biofilms and infect wounds. Hence, there is a need for C. auris wound treatments not posing risks for developing antifungal resistance.

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Background: Key wound environment parameters include pH, hydration, and the balance between tissue remodeling and deposition of new tissue. When prolonged inflammation is present, the proliferation phase of wound healing can be delayed because excessive protease production due to persistent inflammation can destroy newly formed tissue and prevent wounds from filling and reepithelializing.

Objective: To conduct an in vitro study of the ability of polygalacturonic acid (PG), a natural pectin derivative present in ripening fruit, to inhibit 3 destructive wound proteases and prevent dehydration in environments in which significant evaporation can occur.

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Background: Taniborbactam is a β-lactamase inhibitor that, when combined with cefepime, may offer a potential treatment option for patients with serious and resistant Gram-negative bacterial (GNB) pathogens.

Objectives: This study evaluated activity of cefepime/taniborbactam and comparator agents against GNB pathogens isolated from patients with cancer at our institution.

Methods: A total of 270 GNB pathogens (2019-23) isolated from patients with cancer were tested against cefepime/taniborbactam and comparator agents commonly used for these patients.

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Background: Tebipenem is a broad-spectrum orally administered carbapenem antibiotic that could be an alternative to IV carbapenems. The current study evaluated activity of tebipenem against bacterial isolates recovered from patients with cancer.

Methods: A total of 611 bacterial pathogens recently isolated from patients with cancer were tested for susceptibility to tebipenem and comparators.

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Background: Fluoroquinolones are used for infection prevention in high-risk patients with haematological malignancies. Fluoroquinolones are active against many Gram-negative bacilli (GNB) but are less active against Gram-positive organisms. We evaluated the activity of delafloxacin and selected comparators against 560 bacterial pathogens isolated exclusively from patients with cancer.

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Article Synopsis
  • Bacterial infections are prevalent in cancer patients, with many bacteria showing resistance to current antibiotics.
  • Researchers assessed the effectiveness of eravacycline, a new antibiotic, against bacteria sourced from cancer patients.
  • Results showed eravacycline was highly effective against most Gram-positive and Gram-negative bacteria, including tough strains like MRSA and carbapenem-resistant Enterobacterales, suggesting it could be crucial for treating infections in cancer patients.
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Objectives: Gram-negative bacilli (GNB) are currently the predominant bacterial pathogens in patients with cancer. Many GNB have become problematic due to the widespread emergence of resistance. Imipenem/relebactam (IMI/REL) is a combination of the carbapenem imipenem with relebactam, a non-β-lactam β-lactamase inhibitor.

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Chlorhexidine is an antimicrobial agent widely used for infection prevention in medical settings. Nevertheless, allergic reactions ranging from mild to severe have been reported following its use. In this review, we analyzed all case reports published between the introduction of chlorhexidine and the end of 2019 for allergic responses associated with the use of medical devices and or other medical products containing chlorhexidine (CHX) to ascertain the prevalence of severe CHX allergic reactions and what practices might best mitigate those risks.

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Article Synopsis
  • Antiseptic ointments are commonly used for treating contaminated wounds, and a new ointment combining polygalacturonic acid (PG) and caprylic acid (CAP) has shown promise in eliminating biofilms.
  • The study compared the effectiveness and toxicity of PG+CAP against popular commercial antiseptics, finding that PG+CAP completely eradicated resistant biofilms, while others did not perform as well within a 2-hour timeframe.
  • Cytotoxicity tests indicated that PG+CAP is safe for fibroblasts and erythrocytes, showing high cell viability similar to untreated cells, suggesting its potential as an effective and safe antimicrobial wound treatment worthy of further testing.
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Background: Catheter infections remain one of the most persistent adverse events causing significant morbidity, economic impact and mortality. Several strategies have been proposed to reduce these infections including the use of catheters embedded with antibiotics and/or antiseptics. One reoccurring challenge is the fear that antimicrobial medical devices will induce resistance.

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is an emerging pathogen that can cause virulent central-line-associated bloodstream infections. Catheter salvage through the eradication of biofilms is a desirable therapeutic option. We compared taurolidine and minocycline-EDTA-ethanol (MEE) catheter lock solutions for the eradication of biofilms of 10 strains.

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