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Tag: Allergies

  • Nasal Fungi May Be Aggravating Your Allergies

    Nasal Fungi May Be Aggravating Your Allergies

    Credit: Pixabay

    Allergic rhinitis and asthma, often linked, can severely impact respiratory health. Searching for better treatments, scientists analyzed the nasal mycobiome—the community of fungi in the nose. Their study revealed that individuals with allergic rhinitis, with or without asthma, have distinct fungal compositions compared to healthy individuals. This suggests chronic respiratory conditions may disrupt nasal fungi balance, potentially opening new avenues for early detection and treatment.

    In Portugal, about one in four adults suffer from allergic rhinitis, a condition that frequently coexists with asthma. An international research team discovered that affected individuals have a more diverse and altered fungal community in their nasal passages than healthy people.

    “We found significantly higher fungal diversity and distinct fungal structures in allergic rhinitis samples,” said Dr. Luís Delgado from the University of Porto. “This suggests allergic rhinitis may alter the nasal microbiome.”

    The Study: Mapping Nasal Fungi

    To investigate, researchers studied 214 participants from an immunology and asthma clinic. Among them, 155 had both allergic rhinitis and asthma, 47 had allergic rhinitis alone, and 12 had only asthma. A control group of 125 healthy individuals provided a baseline comparison.

    Using nasal swabs, scientists extracted fungal DNA and identified species through sequencing. Network analysis helped them understand relationships between fungal communities and their potential roles in disease.

    The study found two dominant fungal families—Ascomycota and Basidiomycota—with 14 genera making up most of the nasal mycobiome. Some of these fungi are known allergens or opportunistic pathogens, suggesting the nasal cavity may harbor fungi linked to allergic rhinitis and asthma.

    Researchers also discovered that individuals with both allergic rhinitis and asthma had stronger fungal interactions than those with allergic rhinitis alone or healthy controls. This could mean that fungi influence the immune environment in the nose.

    A Potential Path to Treatment

    Patients with respiratory diseases showed significantly different fungal profiles than healthy individuals, but no major differences were found between allergic rhinitis and asthma groups. This suggests a shared fungal influence across these conditions.

    Additionally, the study identified an overabundance of metabolic pathways related to 5-aminoimidazole ribonucleotide (AIR) production, essential for DNA and RNA synthesis. If confirmed in further research, targeting AIR could lead to new diagnostic tools or treatments.

    While this study provides valuable insights, limitations exist. Researchers could not control for disease severity, treatment history, or track changes over time. Future longitudinal studies could determine whether fungi actively drive respiratory diseases and pinpoint specific harmful species.

    “Addressing these clinical variables would be a great follow-up if we secure funding,” Delgado noted. “For now, our findings lay the groundwork for others to explore the link between nasal fungi and respiratory health.”

    Read Original Article: Scitechdaily

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  • Identifying Chronic Sinusitis Apart from Allergies

    Identifying Chronic Sinusitis Apart from Allergies

    A recent study suggests that individuals experiencing prolonged allergy symptoms may actually be dealing with chronic sinusitis, necessitating a distinct treatment approach. In an effort to aid individuals in addressing this condition, researchers have outlined a set of indicators to monitor closely.
    Long-term nasal allergies might actually be chronic sinusitis
    Depositphotos

    A recent study suggests that individuals experiencing prolonged allergy symptoms may actually be dealing with chronic sinusitis, necessitating a distinct treatment approach. In an effort to aid individuals in addressing this condition, researchers have outlined a set of indicators to monitor closely.

    Countless individuals endure allergies, commonly referred to as hay fever or allergic rhinitis (AR), which entail symptoms such as sneezing, itchy nose, nasal congestion, watery eyes, and coughing. Yet, recent research from the University of Cincinnati (UC) reveals that many long-time allergy sufferers actually have chronic sinusitis, a condition akin to allergies but necessitating distinct treatment methods.

    Ahmad Sedaghat, the lead author of the study, highlighted, “In our clinical experience, we have encountered numerous cases where patients have believed they suffered from allergies for an extended period and have sought allergy treatment accordingly. However, their sinus or nasal symptoms persisted because they were actually dealing with chronic rhinosinusitis (CRS), an inflammatory sinus condition.”

    Navigating Symptomatic Similarities and Treatment Disparities

    The challenge arises from the fact that nasal allergies and sinusitis exhibit similar symptoms, such as nasal congestion or a runny nose, along with sinus pressure. Despite these parallels, the two conditions necessitate distinct treatments; using allergy medication to address sinusitis proves ineffective.

    Out of the 219 individuals involved in the study, 91.3% received a diagnosis of allergic rhinitis (AR), while 45.2% were additionally diagnosed with chronic sinusitis. Approximately half of the patients suffering from sinusitis stated that they had not undergone treatment with intranasal steroid sprays, which are considered the primary treatment option for this condition.

    According to their discoveries, the researchers concluded that specific traits and symptoms should prompt consideration of chronic sinusitis rather than, or alongside, nasal allergies. The following indicators strongly correlate with chronic sinusitis and warrant consultation with a healthcare provider:

    • Advanced age and male gender.
    • Experiencing moderate or severe nasal congestion or thick nasal discharge.
    • Any level of reduced ability to taste and smell, even if it’s minor.

    Past research indicates that individuals with chronic sinusitis inadequately managed experience notably diminished quality of life, comparable to conditions like Parkinson’s disease or coronary artery disease. Moreover, they exhibit increased reliance on antibiotics and steroids, and asthmatic patients often encounter deteriorating lung function due to poorly controlled chronic sinusitis. These studies underscore the significance of receiving timely and effective treatment for sinusitis.

    Advocating for Increased Education and Awareness of Chronic Sinusitis

    Moving forward, the researchers advocate for prioritizing education and enhancing awareness concerning chronic sinusitis.

    “I anticipate that this research will equip us with the means to increase public awareness regarding CRS, particularly among those individuals who are at elevated risk of experiencing CRS but may not have it accurately identified,” Sedaghat expressed. “I am enthusiastic about empowering patients to consider the likelihood of CRS and pleased that we have devised an approach that is easily accessible for them. Overall, I am confident that our study will enhance the quality of life for many patients, ultimately saving and improving their well-being.”

    Read the original article on: New Atlas

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