Lipid transfer protein syndrome : How to save a life through careful education
© 2022 The Author(s)..
Introduction: Lipid transfer proteins (nsLTPs) are ubiquitous allergens. Patients affected by nsLTP syndrome experience symptoms to various plant-derived foods, ranging from local manifestations to anaphylaxis, the critical treatment of which is represented by self-administration of adrenaline. The principle aim of this study is to assess how dietary recommendations influence the occurrence of new and severe cases and if poly-sensitization to different nsLTPs may play a role. We also investigated about the appropriate use of adrenaline auto-injector during the episodes of anaphylaxis. Moreover, we examinated how other features (ie, co-sensitization to profilin and PR-10 and the presence of risk co-factors) affect these events.
Materials and methods: We evaluated 78 patients allergic to nsLTPs, investigating adherence to diet and ability to use the adrenaline auto-injector. Number of sensitization to nsLTPs, co-sensitization to other panallergens, and presence of risk factors for new reactions were also assessed. Diagnosis was based on clinical history and positivity to in vivo and in vitro tests. During the follow-up, compliance, diet modifications, and new reactions were noted, and re-training for the use of epinephrine auto-injector was performed. At the last visit we evaluated the patients' ability to use the self-injector.
Results: The whole of fruits belonging to the Rosaceae family emerged as the most frequent culprit foods (28%), followed by walnut (17%), peanut (17%), and hazelnut (10%). At the baseline visit 23% of the patients described the presence of a risk factor during the allergic reaction (mainly nonsteroidal anti-inflammatory drugs [NSAIDs] and exercise). Forty-five percent of the patients reported anaphylactic reactions; no association between the type of food and the severity of the reactions was found. The presence of sensitization to 4 or more nsLTPs was associated to more severe reactions (p < .05; OR 1.67). During the follow-up 38% of the patients experienced at least 1 new allergic reaction: in 79% of them the culprit food was previously tolerated, and in 69% the reaction was an anaphylaxis. Only 47% of the patients showed a proper use of adrenaline auto-injector during the final evaluation, but a significant correlation between periodic education and reduction of the probability of mistakes in the use was reported (p < .05; OR 0.34). Furthermore, an association between co-sensitization to PR-10 (in particular Bet v1) and profilin and less severe symptoms was found, but without a significant odds ratio.
Conclusion: A careful education aimed to the prevention of new reactions, through dietary restrictions and avoidance of risk co-factors, and to the management of anaphylaxis, through the training for the correct use of adrenaline auto-injector, should be a routine practice in nsLTP syndrome.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
|---|---|
| Enthalten in: |
The World Allergy Organization journal - 15(2022), 9 vom: 06. Sept., Seite 100683 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ridolo, Erminia [VerfasserIn] |
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| Links: |
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| Themen: |
Adrenaline self-injector |
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| Anmerkungen: |
Date Revised 20.09.2022 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.waojou.2022.100683 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM346363675 |
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| 245 | 1 | 0 | |a Lipid transfer protein syndrome |b How to save a life through careful education |
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| 500 | |a Date Revised 20.09.2022 | ||
| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2022 The Author(s). | ||
| 520 | |a Introduction: Lipid transfer proteins (nsLTPs) are ubiquitous allergens. Patients affected by nsLTP syndrome experience symptoms to various plant-derived foods, ranging from local manifestations to anaphylaxis, the critical treatment of which is represented by self-administration of adrenaline. The principle aim of this study is to assess how dietary recommendations influence the occurrence of new and severe cases and if poly-sensitization to different nsLTPs may play a role. We also investigated about the appropriate use of adrenaline auto-injector during the episodes of anaphylaxis. Moreover, we examinated how other features (ie, co-sensitization to profilin and PR-10 and the presence of risk co-factors) affect these events | ||
| 520 | |a Materials and methods: We evaluated 78 patients allergic to nsLTPs, investigating adherence to diet and ability to use the adrenaline auto-injector. Number of sensitization to nsLTPs, co-sensitization to other panallergens, and presence of risk factors for new reactions were also assessed. Diagnosis was based on clinical history and positivity to in vivo and in vitro tests. During the follow-up, compliance, diet modifications, and new reactions were noted, and re-training for the use of epinephrine auto-injector was performed. At the last visit we evaluated the patients' ability to use the self-injector | ||
| 520 | |a Results: The whole of fruits belonging to the Rosaceae family emerged as the most frequent culprit foods (28%), followed by walnut (17%), peanut (17%), and hazelnut (10%). At the baseline visit 23% of the patients described the presence of a risk factor during the allergic reaction (mainly nonsteroidal anti-inflammatory drugs [NSAIDs] and exercise). Forty-five percent of the patients reported anaphylactic reactions; no association between the type of food and the severity of the reactions was found. The presence of sensitization to 4 or more nsLTPs was associated to more severe reactions (p < .05; OR 1.67). During the follow-up 38% of the patients experienced at least 1 new allergic reaction: in 79% of them the culprit food was previously tolerated, and in 69% the reaction was an anaphylaxis. Only 47% of the patients showed a proper use of adrenaline auto-injector during the final evaluation, but a significant correlation between periodic education and reduction of the probability of mistakes in the use was reported (p < .05; OR 0.34). Furthermore, an association between co-sensitization to PR-10 (in particular Bet v1) and profilin and less severe symptoms was found, but without a significant odds ratio | ||
| 520 | |a Conclusion: A careful education aimed to the prevention of new reactions, through dietary restrictions and avoidance of risk co-factors, and to the management of anaphylaxis, through the training for the correct use of adrenaline auto-injector, should be a routine practice in nsLTP syndrome | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Adrenaline self-injector | |
| 650 | 4 | |a Anaphylaxis | |
| 650 | 4 | |a Co-factors | |
| 650 | 4 | |a Food allergy | |
| 650 | 4 | |a LTP syndrome | |
| 700 | 1 | |a Pucciarini, Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Kihlgren, Paola |e verfasserin |4 aut | |
| 700 | 1 | |a Barone, Alessandro |e verfasserin |4 aut | |
| 700 | 1 | |a Nicoletta, Francesca |e verfasserin |4 aut | |
| 700 | 1 | |a Peveri, Silvia |e verfasserin |4 aut | |
| 700 | 1 | |a Montagni, Marcello |e verfasserin |4 aut | |
| 700 | 1 | |a Incorvaia, Cristoforo |e verfasserin |4 aut | |
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