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To investigate the likelihood of allergic rhinitis and potential co-morbidities, and to assess whether allergic rhinitis is associated with arterial blood pressure and hypertension.
In this population-based study, 369 adults with allergic rhinitis and asthma were assessed via a questionnaire and immunoglobulin E levels. There were four groups: control (n = 90), allergic rhinitis (n = 99), asthma (n = 87) and hypertension (n = 93). Arterial blood pressure was measured in all groups.
There were no significant differences in systolic or diastolic blood pressure between males and females in any group. Pairwise comparisons revealed no significant differences between: the control and allergic rhinitis groups, the control and asthma groups, or the allergic rhinitis and asthma groups. The systolic and diastolic blood pressure values of males and females were significantly higher in the hypertension group than the allergic rhinitis group. There were no significant differences in systolic blood pressure or diastolic blood pressure for seasonal and perennial allergic rhinitis patients.
Rhinitis was not associated with increased blood pressure. Allergic rhinitis can coincide with asthma and hypertension. The findings do not support the need for blood pressure follow up in allergic rhinitis patients.
Xylitol is a five-carbon sugar alcohol. Natural sources of xylitol include plums, strawberries and raspberries. Xylitol is commercially available in chewing gums, lozenges, syrups, nasal sprays, toothpastes, mouthwashes and other products in some countries. It has gained relative prominence in the past decade as a naturally occurring antibacterial agent.
A review of contemporary literature was conducted to evaluate the efficacy of xylitol usage in ENT practice.
The English-language literature was searched using the following terms: xylitol, otitis media, nasal, sinusitis, dental caries and preventive therapy. The articles identified were included in this review.
Xylitol has no antibacterial properties of its own; rather, it appears to enhance the body's own innate immunity. Xylitol has anti-adhesive effects on micro-organisms like Streptococcus pneumoniae and Streptococcus mutans, inhibiting their growth. Xylitol has already been used for preventing otitis media, rhinosinusitis and dental caries. The worldwide spread of drug-resistant strains of pneumococci substantiates the need for new approaches to prevent ENT-related infectious diseases.
Xylitol may be a promising agent for this purpose in ENT practice, but further experimental and clinical studies are required.