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Asia Pacific survey of physicians on asthma and allergic rhinitis (ASPAIR): data from China.

ABSTRACT: BACKGROUND:In China, the prevalence of allergic rhinitis (AR) and asthma has increased in the past decade. As these two diseases frequently coexist, the Asia-Pacific Survey of Physicians on Asthma and Allergic Rhinitis (ASPAIR) study aimed to assess physicians' beliefs and treatment patterns of coexistent asthma-AR across six Asian countries. This analysis presents the results from China. METHODS:The 200 hospital-based general physicians and pediatricians were interviewed from five cities in China. Physicians were questioned in-person about their knowledge, beliefs and management practices for patients with coexistent asthma-AR. RESULTS:Approximately 70% of the physicians interviewed routinely evaluated their patients with asthma or AR for signs of coexistent disease. While the majority of physicians (>90% of physicians) recognized the increased burden of coexistent asthma-AR vs. one condition alone and that coexistent disease requires additional treatment, most physicians (96%) also believed that patients with coexistent asthma-AR were well managed if either condition alone improved. Similarly, although 71% of physicians selected a combination of intranasal and inhaled corticosteroids as their preferred treatment for coexistent asthma-AR, in line with treatment guidelines, two fifths of physicians indicated that treatment for coexistent disease requires too much medication and that their patients prefer oral medications and a third of physicians believed that corticosteroids should be delayed in children. CONCLUSIONS:This survey demonstrates that physicians interviewed in China have a broad understanding of coexistent asthma-AR and its impact on patients. A holistic approach to patient management with informed decisions regarding patients' overall treatment will benefit patients who suffer from coexistent disease.

SUBMITTER: Hinds D

PROVIDER: S-EPMC6629359 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Asia Pacific survey of physicians on asthma and allergic rhinitis (ASPAIR): data from China.

Hinds David D Aggarwal Bhumika B Du Xin X Mulgirigama Aruni A Shantakumar Sumitra S

Chinese medical journal 20190601 11

<h4>Background</h4>In China, the prevalence of allergic rhinitis (AR) and asthma has increased in the past decade. As these two diseases frequently coexist, the Asia-Pacific Survey of Physicians on Asthma and Allergic Rhinitis (ASPAIR) study aimed to assess physicians' beliefs and treatment patterns of coexistent asthma-AR across six Asian countries. This analysis presents the results from China.<h4>Methods</h4>The 200 hospital-based general physicians and pediatricians were interviewed from fiv ...[more]

PMID: 30925548

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Project description:ObjectivesThe aim of this study was to compare the prescription patterns according to characteristics of physicians using a survey distributed amongst physicians in Korea.MethodsWe surveyed the prescription patterns for allergic rhinitis (AR) of the members of the Korean Academy of Asthma, Allergy and Clinical Immunology (KAAACI) and the Korean Association of Otorhinolaryngologists (KAO). Questionnaire contained 4 categories with 28 queries. 448 physicians including 98 internal medicine (IM), 113 pediatrics (PED), and 237 otorhinolaryngology (ENT) were responded.ResultsAlthough the Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines are most frequently used in all specialties, seasonal or perennial AR is the most frequent classification system. For the definitive diagnosis of AR, ENT physicians reported using multiple allergen simultaneous test (MAST)/radio allergy sorbent test (RAST) more than others (IM, 10.9%; PED, 20.6%; ENT, 44.2%; P<0.001). In treatment, most physicians reported that antihistamine medication is the initial treatment for AR. PED physicians prescribed fewer intranasal steroid to combinations with an antihistamine than other specialists (IM, 65.3%; PED, 42.5%; ENT, 63.3%), but preferred leukotriene antagonists (IM, 4.1%; PED, 23.0%; ENT, 3.9%; P=0.041). Overall, 53% (235/448) of the physicians performed allergen immunotherapy (AIT), and IM administers the most AIT (IM, 71.6%; PED, 42.0%; ENT, 39.5%; P=0.019). Furthermore, university and general hospital physicians prescribed more AIT than doctors at other hospital types (university hospital, 76.4%; general hospital, 64.3%; local hospital, 21.4%; private clinic, 20.2%; P<0.001).ConclusionThe prescription patterns for AR were different according to the physicians' characteristics and general rate of prescribing AIT is just about 53% in Korea. Thus, the development of complementary Korean-specific guidelines is needed and proper clinical instruction of AIT would be necessary.

Project description:PurposeAsthma is an important cause of morbidity and mortality worldwide and information on the prevalence of asthma in Nigeria is inconsistent. Nationally representative data, important for health planning is unavailable. We aimed to determine the current prevalence of asthma and allergic rhinitis in Nigeria.Materials and methodsA cross-sectional population survey conducted between June 2017 and March 2018 across five cities representing five geo-political zones in Nigeria. Validated screening questionnaires were used to identify persons with asthma and allergic rhinitis respectively. Asthma was defined as physician diagnosed asthma, clinical asthma and by presence of wheeze in the last 12 months respectively. Socio-demographic information, tobacco smoking, sources of household cooking fuel were also obtained.ResultsA total of 20063 participants from 6024 households were screened. The prevalence (95% confidence interval) of physician diagnosed asthma, clinical asthma and wheeze was 2.5% (2.3-2.7%), 6.4% (6.0-6.64%) and 9.0% (8.6-9.4%) respectively. The prevalence of allergic rhinitis was 22.8% (22.2-23.4%). The prevalence of asthma and rhinitis increased with age (prevalence of clinical asthma: 3.1% (2.8-3.4%), 9.8% (9.1-10.5) and 10.7% (9.4%-12.0) among 6-17 years, 18-45 years and >45 years respectively). Prevalence also varied across different cities with the highest prevalence of clinical asthma occurring in Lagos (8.0%) and the lowest in Ilorin (1.1%). The frequency of allergic rhinitis among persons with clinical asthma was 74.7%. Presence of allergic rhinitis, family history of asthma, current smoking and being overweight were independent determinants of current asthma among adults.ConclusionThe prevalence of asthma and allergic rhinitis in Nigeria is high with variabilities across regions and age groups. The number of persons with clinical asthma in Nigeria (approximately 13 million) is likely to rank among the highest in Africa. This warrants prioritization by stakeholders and policy makers to actively implement risk reduction measures and increase investment in capacity building for the diagnosis and treatment of asthma and allergic rhinitis.

Project description:BackgroundAllergic diseases are on the rise in many parts of the world, including the Asia-Pacific (APAC) region. Second-generation antihistamines are the first-line treatment option in the management of allergic rhinitis and urticaria. International guidelines describe the management of these conditions; however, clinicians perceive the additional need to tailor treatment according to patient profiles. This study serves as a consensus of experts from several countries in APAC (Hong Kong, Malaysia, the Philippines, Singapore, Thailand, Vietnam), which aims to describe the unmet needs, practical considerations, challenges, and key decision factors when determining optimal second-generation antihistamines for patients with allergic rhinitis and/or urticaria.MethodsSpecialists from allergology, dermatology, and otorhinolaryngology were surveyed on practical considerations and key decision points when treating patients with allergic rhinitis and/or urticaria.ResultsClinicians felt the need for additional tools for diagnosis of these diseases and a single drug with all preferred features of an antihistamine. Challenges in treatment include lack of clinician and patient awareness and compliance, financial constraints, and treatment for special patient populations such as those with concomitant disease. Selection of optimal second-generation antihistamines depends on many factors, particularly drug safety and efficacy, impact on psychomotor abilities, and sedation. Country-specific considerations include drug availability and cost-effectiveness. Survey results reveal bilastine as a preferred choice due to its high efficacy and safety, suitability for special patient populations, and the lack of sedative effects.ConclusionsCompliance to the international guidelines is present among allergists, dermatologists and otorhinolaryngologists; however, this is lower amongst general practitioners (GPs). To increase awareness, allergy education programs targeted at GPs and patients may be beneficial. Updates to the existing international guidelines are suggested in APAC to reflect appropriate management for different patient profiles and varying symptoms of allergic rhinitis and urticaria.

Project description:BACKGROUND: Asthma genetics has been extensively studied and many genes have been associated with the development or severity of this disease. In contrast, the genetic basis of allergic rhinitis (AR) has not been evaluated as extensively. It is well known that asthma is closely related with AR since a large proportion of individuals with asthma also present symptoms of AR, and patients with AR have a 5-6 fold increased risk of developing asthma. Thus, the relevance of asthma candidate genes as predisposing factors for AR is worth investigating. The present study was designed to investigate if SNPs in highly replicated asthma genes are associated with the occurrence of AR. METHODS: A total of 192 SNPs from 21 asthma candidate genes reported to be associated with asthma in 6 or more unrelated studies were genotyped in a Swedish population with 246 AR patients and 431 controls. Genotypes for 429 SNPs from the same set of genes were also extracted from a Singapore Chinese genome-wide dataset which consisted of 456 AR cases and 486 controls. All SNPs were subsequently analyzed for association with AR and their influence on allergic sensitization to common allergens. RESULTS: A limited number of potential associations were observed and the overall pattern of P-values corresponds well to the expectations in the absence of an effect. However, in the tests of allele effects in the Chinese population the number of significant P-values exceeds the expectations. The strongest signals were found for SNPs in NPSR1 and CTLA4. In these genes, a total of nine SNPs showed P-values <0.001 with corresponding Q-values <0.05. In the NPSR1 gene some P-values were lower than the Bonferroni correction level. Reanalysis after elimination of all patients with asthmatic symptoms excluded asthma as a confounding factor in our results. Weaker indications were found for IL13 and GSTP1 with respect to sensitization to birch pollen in the Swedish population. CONCLUSIONS: Genetic variation in the majority of the highly replicated asthma genes were not associated to AR in our populations which suggest that asthma and AR could have less in common than previously anticipated. However, NPSR1 and CTLA4 can be genetic links between AR and asthma and associations of polymorphisms in NPSR1 with AR have not been reported previously.

Dataset Information

Asia Pacific survey of physicians on asthma and allergic rhinitis (ASPAIR): data from China.

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Asia Pacific survey of physicians on asthma and allergic rhinitis (ASPAIR): data from China.

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