Olea Europea 3-year pollen record in the area of Thessaloniki,Greece and its sensitizing significance |
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Authors: | Dimitrios Gioulekas Georgios Chatzigeorgiou Simos Lykogiannis Despina Papakosta Christos Mpalafoutis Frits Th M Spieksma |
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Institution: | (1) Laboratory for Allergic Bronchopulmonary Diseases, Pulmonary Clinic, Aristotelean University, Petras 1, GR-54636 Thessaloniki;(2) Lab. Aerobiology, Department of Pulmonology, University Hospital Leiden, Rijnsburgerweg 10, NL-2333 AA Leiden, The Netherlands |
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Abstract: | Summary The observations of airborne pollen ofOlea europea and the incidence of clinical manifestations in patients allergic to this pollen type have not been registered so far in
the city of Thessaloniki.
The purpose of this study was: 1. to assess theO. europea pollen circulation in the area of our city, and 2. to detect the percentage of sensitivity toO. europea pollen in patients with pollinosis. We collected daily pollen samples during a 3-year period (February '87-January '90),
using a Burkard volumetric trap, located on a high level area in the centre of the city. The pollen counts were then registered.
The O.europea pollen grains were not differentiated microscopically from the other Oleaceae, but identified through phenological criteria.
The patients included in the assessment of the sensitivity toO. europea came from the out-patient clinic of bronchial asthma of the General Hospital ?G. Papanicolaou?. They had a seasonal pollinosis
and they were submitted to prick test using a battery of 22 groups and an O.europea extract.
Pollen ofO. europea appears first in the atmosphere of Thessaloniki at the beginning of May, shows a peak in the end of May and continues to
be present till the end of June. The quantity ofO. europea pollen ranked 6th in the list of the total pollen count and its flowering period coincided with that of grasses. In a sample
of 360 patients with seasonal pollinosis, we detected anO. europea pollen sensitivity combined with other alleargens in 37% of the patients and a monosensivity in 4%.
We conclude that pollen ofO. europea results to be present over a relative short period of time (May–June) in the area of Thessaloniki. The percentage of patients'
sensitization toO. europea pollen was a little less frequent than sensitization to grasses, even if their flowering time coincides and their presence
in the air shows about the same concentration values. |
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Keywords: | Greece Olea pollen record Thessaloniki |
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