Only one prospective study has examined the association between cedar pollinosis and mortality.
Kenichi Mori, Keiko Wada, Kie Konishi, Yuko Goto, Fumi Mizuta, Sachi Koda, TakahiroUji, Yatsuji Ito, Chisato Nagata 2019, 'Cedar Pollinosis and Mortality: A Population-Based Prospective Cohort Study in Japan',Journal of Epidemiologyhttps://www.jstage.jst.go.jp/article/jea/29/2/29_JE20170278/_pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Spring pollinosis has become a part of life for many people throughout the world.
Jana Žiarovská, Lucia Zeleňáková 2016, 'Central and Eastern European Spring Pollen Allergens and Their Expression Analysis—Stateof the Art', Diversityhttp://www.mdpi.com/1424-2818/8/4/19. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Cryptomeria japonica pollinosis was first reported in 1964.
Hideaki Taira, Hidetoyo Teranishi, Yukiko Kenda 2000, 'Male flowering index can predict the annual airborne pollen count of Cryptomeria japonicaat different altitudes', Allergology Internationalhttp://www.sciencedirect.com/science/article/pii/S1323893015314039. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Thirty-seven patients with pollinosis and thirteen non-allergic subjects were recruited.
ZHIVKA KOSTOVA, TSVETELINA BATSALOVA, DZHEMAL MOTEN, IVANKA TENEVA, BALIK DZHAMBAZOV 2015, 'Characteristics of T-cell and B-cell immune respoonses to pollen allergens in Bulgarianpatients with pollinosis', Journal of BioScience and Biotechnologyhttp://www.jbb.uni-plovdiv.bg/documents/27807/1014563/jbb_2015-4(3)-pages_271-283.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, the allergic profile for perennial allergens in spring pollinosis remains unclear.
Masafumi Ohki, Masanobu Shinogami 2014, 'Allergic Sensitization to Perennial Allergens in Adults and Children Sensitized toJapanese Cedar or Japanese Cypress Pollen in Japan', International Journal of Otolaryngologyhttp://dx.doi.org/10.1155/2014/835790. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This treatment can potentially lessen symptoms and help pollinosis patients remain in the intermittent state.
Seiichiro Makihara, Mitsuhiro Okano, Tazuko Fujiwara, Masayo Kimura, Takaya Higaki,Takenori Haruna, Yohei Noda, Kengo Kanai, Shin Kariya, Kazunori Nishizaki 2012, 'Early Interventional Treatment with Intranasal Mometasone Furoate in Japanese Cedar/CypressPollinosis: A Randomized Placebo-Controlled Trial', Allergology Internationalhttp://www.sciencedirect.com/science/article/pii/S1323893015302239. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Five patients suffered from cedar pollinosis in addition to asthma, and 1 patient had no pollinosis.
Yuji Maeda, Kazuo Akiyama, Takao Shida 2008, 'A Clinical Study of Japanese Cedar (Cryptomeria japonica) Pollen-Induced Asthma',Allergology Internationalhttp://www.sciencedirect.com/science/article/pii/S1323893015308066. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The prevalence of cedar pollinosis was 41.2% based on subjective symptoms and 22.2% based on physician diagnosis.
Satoshi Nakamura, Sachiko Tsunoda, Hiroshi Sakaida, Sawako Masuda, Ahamad Shah Said,Kazuhiko Takeuchi 2019, 'Analysis of factors associated with cedar pollen sensitization and development ofpollinosis in a young Japanese adult population', Allergology Internationalhttp://www.sciencedirect.com/science/article/pii/S1323893018300625. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, few studies have reported the relationship between pollen count levels and the prevalence of pollinosis.
Kohei Honda, Hidekazu Saito, Naoko Fukui, Eiko Ito, Kazuo Ishikawa 2013, 'The Relationship between Pollen Count Levels and Prevalence of Japanese Cedar Pollinosisin Northeast Japan', Allergology Internationalhttp://www.sciencedirect.com/science/article/pii/S1323893015301520. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)