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Viper bites: treat or ignore? Review of a series of 99 patients bitten by Vipera aspis in an alpine Swiss area.
Swiss Med Wkly. 2005 Oct 15; 135(41-42):618-25.SM

Abstract

In a well defined alpine area of Switzerland (Valais, about 300000 inhabitants, tourists included) we studied retrospectively over 32 years, 99 patients bitten by vipers (Vipera aspis, the likely unique species in this area). The annual incidence was estimated at 3/100,000, as in other European countries. The mortality was 0% for the adults. The patients, 72 adults and 17 children (13 years and less), were classified in four groups: grade 0 no envenomation (8%), grade 1 minimal (42%), grade 2 moderate (40%), and grade 3 severe envenomation (10%). The 10 patients of grade 3 showed impressive clinical signs and blood abnormalities, as exemplified by our three most severe cases. Only patients of grade 3 must be treated with antivenom and other intensive treatments, but all patients, even grade 1, especially small children, must be observed for several hours.

Authors+Show Affiliations

Hôpital Régionale, Martigny, Switzerland. j.petite@mycable.ch

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

16380847

Citation

Petite, Jacques. "Viper Bites: Treat or Ignore? Review of a Series of 99 Patients Bitten By Vipera Aspis in an Alpine Swiss Area." Swiss Medical Weekly, vol. 135, no. 41-42, 2005, pp. 618-25.
Petite J. Viper bites: treat or ignore? Review of a series of 99 patients bitten by Vipera aspis in an alpine Swiss area. Swiss Med Wkly. 2005;135(41-42):618-25.
Petite, J. (2005). Viper bites: treat or ignore? Review of a series of 99 patients bitten by Vipera aspis in an alpine Swiss area. Swiss Medical Weekly, 135(41-42), 618-25.
Petite J. Viper Bites: Treat or Ignore? Review of a Series of 99 Patients Bitten By Vipera Aspis in an Alpine Swiss Area. Swiss Med Wkly. 2005 Oct 15;135(41-42):618-25. PubMed PMID: 16380847.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Viper bites: treat or ignore? Review of a series of 99 patients bitten by Vipera aspis in an alpine Swiss area. A1 - Petite,Jacques, PY - 2005/12/29/pubmed PY - 2006/3/15/medline PY - 2005/12/29/entrez SP - 618 EP - 25 JF - Swiss medical weekly JO - Swiss Med Wkly VL - 135 IS - 41-42 N2 - In a well defined alpine area of Switzerland (Valais, about 300000 inhabitants, tourists included) we studied retrospectively over 32 years, 99 patients bitten by vipers (Vipera aspis, the likely unique species in this area). The annual incidence was estimated at 3/100,000, as in other European countries. The mortality was 0% for the adults. The patients, 72 adults and 17 children (13 years and less), were classified in four groups: grade 0 no envenomation (8%), grade 1 minimal (42%), grade 2 moderate (40%), and grade 3 severe envenomation (10%). The 10 patients of grade 3 showed impressive clinical signs and blood abnormalities, as exemplified by our three most severe cases. Only patients of grade 3 must be treated with antivenom and other intensive treatments, but all patients, even grade 1, especially small children, must be observed for several hours. SN - 1424-7860 UR - https://www.unboundmedicine.com/medline/citation/16380847/Viper_bites:_treat_or_ignore_Review_of_a_series_of_99_patients_bitten_by_Vipera_aspis_in_an_alpine_Swiss_area_ DB - PRIME DP - Unbound Medicine ER -