INTERNATIONAL ASSOCIATION FOR VEGETATION SCIE..

63rd IAVS Symposium

 

20-23 September 2021 Virtual Conference
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   Previous range   ... 150-176 | 177-999 |
presentations found | 129
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OP-150 Ecosystem state assessment after more th.. Gianmaria Bonari .. .. Conservation and restoration.. - -
OP-152 Predicting the risk of grassland habitat.. Anna Kuzemko .. Vasyl Budzhak, Illia Chorney, .. Climate change.. - -
OP-153 Spatial indicators for evaluating change.. Elisabeth Kindermann .. .. Vegetation dynamics and succession.. - -
OP-154 Do Sacred Natural Sites conserve biodive.. Piero Zannini .. Fabrizio Frascaroli; Juri Nasc.. Conservation and restoration.. - -
PLT-155 Unmanned Aerial Systems to investigate p.. Leopoldo de Simone .. Martina Bencistà, Emanuele Fan.. Invasive species.. - -
OP-157 Determinants of biogeographical distribu.. Helena Streit .. Rodrigo Scarton BergaminSandra.. Macroecology of vegetation.. - -
PO-158 Classification of Pinus nigra forest veg.. Gianmaria Bonari .. .. Special session: Big data and big classi.. - -
PLT-159 Natural Intelligence for Robotic Monitor.. Daniela Gigante .. F. . ANGELINI, C. ANGIOLINI, S.. Informatics, databases, tools and new te.. - -
OP-160 Evolutionary history of grazing and reso.. Jodi Price .. Judith Sitters.. Disturbance ecology.. - -
OP-162 Species richness and phylogenetic distan.. Leonardo H. Teixeira .. Guilherme G. Mazzochinni, Joha.. Conservation and restoration.. - -
PO-163 Weak coordination between leaf drought t.. Maria Majekova .. Tomá Hájek, Agnes J. Albert, F.. Functional traits.. - -
PLT-164 Shifts in ecological strategies at inter.. Joice Klipel .. .. Functional traits.. - -
PLT-165 Post-fire reproductive phenology of a sa.. Hudson Fontenele .. Heloisa Miranda.. Disturbance ecology.. - -
OP-166 Endemics determine bioregionalization in.. Jalil Noroozi .. .. Species composition and diversity.. - -
OP-168 Continental scale drivers of EU habitat .. Marco Cervellini .. .. Conservation and restoration.. - -
OP-169 Abundance and diversity of edible wild p.. Anni Jasková .. Pohjanmies, T., Hotanen, J-P.,.. Ecosystem function.. - -
OP-171 Grassland stability: the role of biodive.. Daniela Hoss .. L. Menezes, V. Debastiani, E. .. Ecosystem function.. - -
PLT-173 The effect of overgrazing on the physiol.. Aicha DOUCH .. .. Functional traits.. - -
OP-175 Space-constrained hierarchical clusterin.. Pierre Legendre .. .. Vegetation inventory and mapping.. - -
PLT-176 Successional stages in dolines (sinkhole.. Andraz Carni .. .. Ecosystem function.. - -
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Abstract

Thunderstorm-related asthma in patients sensitised to olea europaea pollen: twenty emergency department visits for asthmatic symptoms in one single day Losappio, Laura1; Heffler, Enrico2; Falco, Antonio1; Contento, Francesco1; Cannito, Cosimo1; Rolla, Giovanni2 1"Dimiccoli" Hospital, Emergency Department, Barletta, Italy; 2University of Torino - AO Mauriziano "Umberto I", Allergy and Clinical Immunology, Torino, Italy

Background: Associations between thunderstorm and asthma morbidity have been reported in several countries. Common to all epidemics of thunderstorm-related asthma is a significant increase in atmospheric allergen load during and immediately after a thunderstorm. Sensitization to Alternaria species or to grass and parietaria pollens has been suggested to play a key role in thunderstorm-related asthma. The only reported event of thunderstorm-related asthma in Mediterranean area was attributed to sensitization to parietaria pollen.

Method: here we describe a series of 20 patients who presented to Emergency Department in Barletta (94,000 inhabitants), Puglia (Italy) for sudden and severe asthmatic symptoms between May 27th and 28th 2010 (from15:36 to 5:02), immediately after a violent thunderstorm which occurred following a very hot morning (mean temperature: 29°C). All the patients have been subsequently visited by an allergist and underwent allergological work-up which included skin prick tests and a careful clinical history. Local pollen counts were available.

Result: Between May 10th and June 10th 2010, 86 Emergency Department asthma visits were recorded, 20 of them during the study day. Patients' mean age was 44.25 +/- 18.5 years (range: 9-81), 8/20 females, 2 smokers, 16 with a previous history of known respiratory allergy. Only two patients regularly took anti-asthma drugs. All 20 patients were sensitized to Olea europaea pollen, 7 of whom were monosensitized. Ten patients were sensitized to grass, 7 to parietaria, 5 to compositae, 5 to cypress, 5 to house dust mites, 3 to dog and 1 to cat danders. No patient was sensitized to Alternaria. Mean pollen count was 17 granules/m3 for Olea europaea, 6 granules/m3 for grass pollen.

Conclusion: This is, in our knowledge, the second epidemic of thunderstorm related asthma described in Mediterranean area and the first one in which sensitization to Olea europaea played a key-role. In conclusion, our report indicates that thunderstorm asthma may involve different allergens (not only fungal spores and grass or parietaria pollen) in different geographic areas, depending on the seasonality of thunderstorms and allergenic pollen.

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