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IMPORTANCE Cannabis is the most commonly used illicit substance in the US and worldwide. Understanding the association between cannabis use and sinonasal symptoms may help clinicians and patients better understand the symptomatology associated with cannabis use. OBJECTIVE To assess the association between frequency of cannabis use and presence of sinonasal symptoms in a nationally representative sample of US adults. DESIGN, SETTING, AND PARTICIPANTS This population-based, retrospective cross-sectional study included adults aged 20 to 69 years who had completed data on sinonasal symptoms and substance use for the 2013 to 2014 National Health and Nutrition Examination Survey. The data were analyzed in February 2022. EXPOSURES Cannabis use frequency.MAIN OUTCOMES AND MEASURES Presence of sinonasal symptoms, demographic information, and medical history were obtained from National Health and Nutrition Examination Survey questionnaires. Presence of any sinonasal symptoms was defined as responding yes to any of a series of questions assessing rhinologic symptoms. Regular cannabis users were defined as using cannabis 15 or more times within the last 30 days. Nonregular users were defined as using cannabis fewer than 15 times within the last 30 days. Multivariable models were used to examine the association between frequency of cannabis use and presence of sinonasal symptoms while adjusting for demographic characteristics and medical comorbidities. RESULTSThe study included 2269 adults with a mean (SD) age of 36.5 (12.4) years (1207 women [53.2%]; 330 Asian [14.5%], 739 Black [32.6%], 461 Hispanic [20.3%], and 656 White [28.9%] individuals). The prevalence of sinonasal symptoms among regular cannabis users (45.0%; 95% Cl, 38.9%-51.1%) was lower than the prevalence among never users (64.5%; 95% Cl, 58.3%-68.8%). Compared with adults who had never used cannabis, regular cannabis users were less likely to have sinonasal symptoms (odds ratio, 0.22, 95% CI, 0.10-0.50). Current tobacco smokers were more likely to have sinonasal symptoms (odds ratio, 1.96; 95% CI, 1.17-3.28). The most common sinonasal symptoms reported were nasal congestion (62.8%; 95% Cl, 60.2%-65.4%) and change in smell (17.8%; 95% Cl, 15.2%-20.9%). CONCLUSIONS AND RELEVANCEThis cross-sectional study found that the prevalence of sinonasal symptoms was lower among regular cannabis users. Further research is needed to elucidate the mechanisms underlying the association between cannabis use and sinonasal symptoms.
IMPORTANCE Cannabis is the most commonly used illicit substance in the US and worldwide. Understanding the association between cannabis use and sinonasal symptoms may help clinicians and patients better understand the symptomatology associated with cannabis use. OBJECTIVE To assess the association between frequency of cannabis use and presence of sinonasal symptoms in a nationally representative sample of US adults. DESIGN, SETTING, AND PARTICIPANTS This population-based, retrospective cross-sectional study included adults aged 20 to 69 years who had completed data on sinonasal symptoms and substance use for the 2013 to 2014 National Health and Nutrition Examination Survey. The data were analyzed in February 2022. EXPOSURES Cannabis use frequency.MAIN OUTCOMES AND MEASURES Presence of sinonasal symptoms, demographic information, and medical history were obtained from National Health and Nutrition Examination Survey questionnaires. Presence of any sinonasal symptoms was defined as responding yes to any of a series of questions assessing rhinologic symptoms. Regular cannabis users were defined as using cannabis 15 or more times within the last 30 days. Nonregular users were defined as using cannabis fewer than 15 times within the last 30 days. Multivariable models were used to examine the association between frequency of cannabis use and presence of sinonasal symptoms while adjusting for demographic characteristics and medical comorbidities. RESULTSThe study included 2269 adults with a mean (SD) age of 36.5 (12.4) years (1207 women [53.2%]; 330 Asian [14.5%], 739 Black [32.6%], 461 Hispanic [20.3%], and 656 White [28.9%] individuals). The prevalence of sinonasal symptoms among regular cannabis users (45.0%; 95% Cl, 38.9%-51.1%) was lower than the prevalence among never users (64.5%; 95% Cl, 58.3%-68.8%). Compared with adults who had never used cannabis, regular cannabis users were less likely to have sinonasal symptoms (odds ratio, 0.22, 95% CI, 0.10-0.50). Current tobacco smokers were more likely to have sinonasal symptoms (odds ratio, 1.96; 95% CI, 1.17-3.28). The most common sinonasal symptoms reported were nasal congestion (62.8%; 95% Cl, 60.2%-65.4%) and change in smell (17.8%; 95% Cl, 15.2%-20.9%). CONCLUSIONS AND RELEVANCEThis cross-sectional study found that the prevalence of sinonasal symptoms was lower among regular cannabis users. Further research is needed to elucidate the mechanisms underlying the association between cannabis use and sinonasal symptoms.
Background: Chronic rhinosinusitis (CRS) is a common disease, o en refractory to conventional antimicrobial treatment. In this study we investigate the antimicrobial and anti-inflammatory effects of adding kappa-carrageenan to a commercially available sinus rinse.Methods: Kappa-carrageenan was added to Flo CRS and Flo Sinus Care sinus rinses and applied directly to air-liquid interface cultured primary human nasal epithelial cells (HNECs) from 10 CRS patients. Inflammatory markers were measured using enzyme-linked immunosorbent assay. Kappa-carrageenan-supplemented sinus rinses were applied to human bronchial epithelial cells (HBEs) in the presence of different Staphylococcus aureus strains to observe the effect on intracellular infection rates.Results: Flo Sinus Care with kappa-carrageenan rinse solutions resulted in a marked reduction of interleukin-6 (IL-6) production by HNECs from CRS patients (p = 0.007). Both Flo CRS and Flo Sinus Care rinses significantly reduced the S aureus intracellular infection of HBEs (p < 0.0001). The addition of kappa-carrageenan to both Flo CRS and Flo Sinus Care rinses further reduced the intracellular infection rate by an average of 2%. Conclusions:The commonly used sinus irrigation product Flo Sinus Care with added kappa-carrageenan reduces IL-6 production by HNECs in vitro. Flo CRS and Flo Sinus Care rinses significantly reduced S aureus intracellular infection rates of HBE cells. Our findings may have clinical relevance for CRS patient management. C 2019 ARS-AAOA, LLC.
ObjectiveTo characterize the users of the largest chronic rhinosinusitis (CRS) online support communities (OSCs), describe the perceived benefits of OSCs for their users, and understand how patient medical decision making is affected by membership in OSCs.Study DesignCross‐sectional online survey.SettingOnline.MethodsA cross‐sectional online survey was adapted from the existing literature on patient support groups and modified for CRS patients. The survey was posted on multiple Facebook/Reddit groups aimed at providing support toward patients with CRS. Survey data was collected over 3 months and analyzed thereafter.ResultsThere were 127 total participants. The majority were female (65.35%), white (76.98%), and the median age was 38 years. Just under half of patients had nasal polyps (48.67%) and 54.54% had undergone surgery. Many participants (69.42%) reported engaging in the OSC at least multiple times per month. The most common reason for joining an OSC was to learn tips on how to manage CRS (89.7%) and the most achieved goal from membership was hearing from others undergoing a similar experience (79.5%). Involvement in an OSC impacted knowledge of CRS in 87.41% of participants. Most users (81.1%) would recommend membership in an OSC and 54.33% reported the OSC influenced their medical decision‐making.ConclusionA majority of patients with CRS who frequently engage in an OSC for CRS have a positive experience. OSCs are a resource that CRS patients utilize to manage their disease.
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