EASL Congress 2023


21-24 June Vienna
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EASL Congress 2023


21-24 June Vienna
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SAT-193 Efficacy and prediction analysis of pegy.. Chong Zhang .. .. Viral Hepatitis.. - -
WED-193 Stability of Hepatitis B virus RNA in pl.. Valerie Ohlendorf .. .. Viral Hepatitis.. - -
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FRI-194 Hepatocellular carcinoma associated with.. Neil Mcinnes .. P Davies, L Laverty, S Barclay.. Public Health.. - -
SAT-194 The safety and efficacy of hepalatide (L.. Xiaolu Tang .. .. Viral Hepatitis.. - -
WED-195 Driving improvements in hepatitis B care.. Asgeir Johannessen .. .. Viral Hepatitis.. - -
FRI-195 Prevalence of hepatitis B and C viral in.. Hassan Mahmood .. .. Public Health.. - -
THU-195 Long term normalization of systemic infl.. Laura Benitez Gutierrez .. .. Viral Hepatitis.. - -
SAT-195 A novel class of orally-available small .. Marc P. Windisch .. .. Viral Hepatitis.. - -
WED-196 Risk factors for viral reactivation in p.. Ciro Celsa .. .. Viral Hepatitis.. - -
FRI-196 Multidisciplinary Approaches to Increase.. Carolina Villarroel .. .. Public Health.. - -
THU-196 Differences in baseline characteristics .. Spyridon (Spyros) Siakavellas .. .. Viral Hepatitis.. - -
SAT-196 Cell-mediated immunity analysis to asses.. Jenn Singh .. Bruno Salaun, Shihyun You, Ste.. Viral Hepatitis.. - -
WED-197 T-cell responses to PreS1 and PreS2 are .. Francisco Diaz-Mitoma .. David E Anderson.. Viral Hepatitis.. - -
FRI-197 Effectiveness of birth-dose vaccine in p.. Mebrihit Arefaine .. Asgeir Johannessen ,Tilahun Te.. Public Health.. - -
SAT-197 Therapeutic vaccine candidate CLB-3000 (.. Aileen Rubio .. Bharat DixitLaurie Iciek.. Viral Hepatitis.. - -
THU-197 Incidence and associations of HCV reinfe.. Sofia Vasileiadi .. .. Viral Hepatitis.. - -
THU-198 Evaluation of patients treated with dire.. Victor Yung Sin Chow .. Veronica Wing I Cheung.. Viral Hepatitis.. - -
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SAT-198 Phase 1b/2a study of heterologous ChAdOx.. Tom Evans .. .. Viral Hepatitis.. - -

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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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