antifungal susceptibility – Page 10

Life-threatening airway stenosis due to Scedosporium infection during nontuberculous mycobacteria treatment: A case report

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A 73-year-old woman with arthritis being treated with immunosuppressive drugs developed a severe fungal airway infection caused by a rare fungus called Scedosporium apiospermum. Her airway became dangerously narrowed, requiring emergency support with an artificial lung machine while doctors inserted a stent to open her airway. After correctly identifying the fungus and treating it with an antifungal medication called voriconazole, she recovered well with complete healing of the infection.

Changing Climate, Changing Candida: Environmental and Social Pressures on Invasive Candidiasis and Antifungal Resistance in Latin America

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Invasive fungal infections caused by Candida species are becoming increasingly common and dangerous in Latin American hospitals, with newer strains showing resistance to multiple antifungal drugs. Rising temperatures from climate change and widespread use of fungicides in agriculture appear to be selecting for these resistant fungi. Most hospitals in the region lack advanced diagnostic tools to quickly identify which fungal strain is causing infection, leading to delayed and sometimes inappropriate treatment. Implementing better diagnostic access, stricter antifungal use policies, and coordinated surveillance programs across the region could help control this growing public health problem.

Magnusiomyces capitatus bloodstream infection in a patient with acute monocytic leukemia: A rare case report

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A 26-year-old patient with acute leukemia developed a rare fungal bloodstream infection caused by Magnusiomyces capitatus during cancer treatment. The infection was identified through advanced laboratory techniques including DNA sequencing and mass spectrometry. The patient was successfully treated with amphotericin B, highlighting the importance of rapid and accurate fungal identification for better patient outcomes.

Extensive and recurrent infection caused by Medicopsis romeroi in two immunocompromised patients

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This case report describes two patients with weakened immune systems who developed serious fungal skin infections caused by a rare mold called Medicopsis romeroi. Both patients underwent multiple surgeries and required extended antifungal medication treatment lasting months to years. The study demonstrates that successful treatment requires a combination approach including surgical removal of infected tissue, adjustment of immunosuppressive medications, and prolonged antifungal therapy.

Trichosporon Urinary Tract Infections: A Hidden Menace Revealed

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Trichosporon is a fungus that causes urinary tract infections primarily in hospitalized patients and those with weakened immune systems. This review found that Trichosporon asahii is the most common species responsible for these infections, especially in patients with prolonged hospital stays or using immunosuppressive medications. The drug voriconazole works best against this fungus, while some common antifungal medications like amphotericin B are less effective. Accurate identification using modern laboratory techniques is crucial for proper treatment.

Mucor germinans, a novel dimorphic species resembling Paracoccidioides in a clinical sample: questions on ecological strategy

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Researchers identified a new fungal species called Mucor germinans from a patient with Burkitt lymphoma that can switch between filamentous and yeast-like forms. This is unusual because Mucor species are typically identified by their thread-like filaments, not budding yeast cells. The yeast form appeared at body temperature and resembled a different fungus called Paracoccidioides, potentially causing misdiagnosis. The discovery emphasizes the importance of recognizing that some Mucor infections may present with yeast-like cells and highlights the need for rapid, accurate identification to guide appropriate antifungal treatment.

Olorofim activity against multidrug-resistant Fusarium unveils intra-species and inter-species variability

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Researchers tested a new antifungal drug called olorofim against 253 different Fusarium fungi that infect humans. Fusarium is particularly dangerous for people with weakened immune systems and resists most common antifungals. The study found that olorofim works, but its effectiveness varies significantly depending on which type of Fusarium is present. While these lab results are promising, additional testing in animal models is needed before it can be used clinically.

Infection caused by a cryptic fungal species, Blastomyces gilchristii, in a tiger

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A tiger in Tennessee became ill with a serious fungal infection caused by a lesser-known fungus called Blastomyces gilchristii. While blastomycosis is typically caused by a different fungus species, this case represents the first detection of this particular cryptic fungal species in the southeastern United States. Scientists used advanced genetic sequencing to identify the fungus when standard laboratory methods failed. This discovery suggests that this dangerous fungus is spreading to areas where it was not previously thought to exist.

Favorable outcome of Lasiodiplodia theobromae keratomycosis: a clinical case and systematic review

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A 74-year-old farmer developed a serious fungal eye infection caused by Lasiodiplodia theobromae, a rare tropical fungus. Instead of requiring eye surgery, the patient was successfully treated with a combination of two antifungal medications applied as eye drops and taken orally for eight weeks. This case is significant because it’s the first documented successful medical treatment of this particular fungal infection, highlighting the importance of quick diagnosis and avoiding corticosteroid eye drops that can worsen fungal infections.

Molecular epidemiology, diversity, and antifungal susceptibility profiles of clinical and environmental mucorales: a five-year multicenter study in Iran (2018–2023)

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This study examined dangerous mold infections called mucormycosis that became more common during the COVID-19 pandemic, particularly in Iran. Researchers tested over 180 fungal samples from patients and soil to understand which types of molds cause infections and which antifungal medicines work best against them. They found that two medicines, amphotericin B and posaconazole, were most effective, while fungi from soil samples were often more resistant to treatment than those from infected patients. This research helps doctors choose the right treatments for patients with these serious infections.

Research Keyword: antifungal susceptibility