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Paolino G, Di Nicola MR, Pontara A, Didona D, Moliterni E, Mercuri SR, Grano M, Borgianni N, Kumar R, Pampena R. Vipera snakebite in Europe: a systematic review of a neglected disease. J Eur Acad Dermatol Venereol 2020; 34:2247-2260. [PMID: 32530549 DOI: 10.1111/jdv.16722] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 05/20/2020] [Indexed: 12/13/2022]
Abstract
In 2009, snakebites were included in the list of the World Health Organization (WHO) neglected diseases. Dermatological literature lacks current and up-to-date articles about snakebites and their management, despite the fact that dermatologists, especially from rural hospitals, can be called into the emergency room to consult the management of suspected snakebites. In this systematic review, we highlighted the main clinical and laboratory aspects of snakebites from Vipera spp. in Europe, by reviewing 3574 studies initially retrieved from PubMed, Embase and Cochrane CENTRAL databases. Of these, 78 were finally included in the systematic review. We found that the most involved taxon was V. berus in 63.3% and the most involved anatomic site of the bite was the upper limbs 53.1% with fang marks reported in 90.5%. The mean age of the patients was 32.9 years, and bites were slightly more common among males (58.2%). A wound washing was performed in 86.9% of cases before the hospitalization. The most frequently reported grade of envenomation was G2 (42.2%). In addition to local dermatological symptoms (extended erythema, oedema, cutaneous necrosis, hives, purpura, petechiae, acute compartment syndrome), numerous systemic symptoms have also been reported, including fatigue (14.4%), pain (75.3%), fever (49.2%), direct anaphylactoid reaction (5.3%), anxiety (60.8%), cranial nerve neurotoxicity (14.8%), dysesthesia/paraesthesia (7.9%), vomiting (33.7%), abdominal pain (23.3%), diarrhoea (15.4%), dyspnoea (6.3%), proteinuria (10.6%) and haematuria (9.3%). Secondary infections were present in 3.5% and disseminated intravascular coagulation in 3.1% of cases, and fasciotomy was performed in 4.2% cases, while an amputation in 6.9%. Only 0.9% of patients died. Antivenom was administered in 3053 cases. In conclusion, there is a pressing need for robust multi-centre randomized control trials, standardized protocol for snakebite management and antivenom administration across Europe and a National snakebite register for each European country.
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Affiliation(s)
- G Paolino
- Clinica Dermatologica, La Sapienza University of Rome, Rome, Italy.,Unit of Dermatology, IRCCS San Raffaele Hospital, Milan, Italy
| | | | - A Pontara
- Internal Medicine, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - D Didona
- Department of Dermatology and Allergology, Philipps Medical University of Marburg, Marburg, Germany
| | - E Moliterni
- Clinica Dermatologica, La Sapienza University of Rome, Rome, Italy
| | - S R Mercuri
- Unit of Dermatology, IRCCS San Raffaele Hospital, Milan, Italy
| | - M Grano
- Via Valcenischia, Rome, Italy
| | | | - R Kumar
- Unit of Dermatology, IRCCS San Raffaele Hospital, Milan, Italy
| | - R Pampena
- Centro Oncologico ad Alta Tecnologia Diagnostica, Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia, Reggio Emilia, Italy
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Chippaux JP. Epidemiology of snakebites in Europe: a systematic review of the literature. Toxicon 2011; 59:86-99. [PMID: 22056768 DOI: 10.1016/j.toxicon.2011.10.008] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Revised: 10/07/2011] [Accepted: 10/11/2011] [Indexed: 11/19/2022]
Abstract
Snakebites are rare medical emergency cases in Europe but may sometimes be severe and lead to complications. A better knowledge of snakebite epidemiology may help health authorities to better understand therapeutic requirements, especially concerning antivenoms, and thus improve treatment of snakebite. An extensive literature search for studies and articles published between 1970 and 2010 was performed. Both indexed and non-indexed articles were examined, the analysis of which took into account the heterogeneity between the studies and weighted the studies according to size of the study population covered. Most of the articles involved hospitalized patients who represented more than 90% of snakebites. Incidence, mortality and population at risk were estimated after stratification into three regions (northern, central and southern Europe) based both on viper species distribution and climatic characteristics. There was no significant variation in incidence from the north to the south of Europe. In the whole of Europe, including European Russia and Turkey, the annual number of snakebite cases was estimated at 7992 [CI 95% = 6860-9178] bites, out of which approximately 15% were considered severe (grade 3). These bites usually occurred between May and September, with a more dispersed distribution in southern Europe. The average number of deaths per annum was 4 [0.7-7.7]. Children and male victims are more affected, contrary to what one would expect given their respective proportion in the entire population. Both upper and lower limb bites were recorded at an equal frequency while the bites in other parts of the body were very rare. Immunotherapy was prescribed in one out of three snakebites in Europe, with a very high geographical variability, in spite of excellent tolerance, at least considering highly-purified immunoglobulin fragments. Snakebites are uncommon in Europe but can cause life-threatening envenomation. Fragments of highly-purified immunoglobulins are now very well tolerated and dramatically reduce both severity and mortality of snakebites when used in treatment.
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Affiliation(s)
- Jean-Philippe Chippaux
- Institut de Recherche pour le Développement, UMR 216, Mother and Child Facing Tropical Diseases, 08 BP 841 Cotonou, Bénin.
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Archundia IG, de Roodt AR, Ramos-Cerrillo B, Chippaux JP, Olguín-Pérez L, Alagón A, Stock RP. Neutralization of Vipera and Macrovipera venoms by two experimental polyvalent antisera: a study of paraspecificity. Toxicon 2011; 57:1049-56. [PMID: 21530569 DOI: 10.1016/j.toxicon.2011.04.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2011] [Revised: 04/07/2011] [Accepted: 04/12/2011] [Indexed: 11/28/2022]
Abstract
We conducted an extensive study of neutralization of lethality of 11 species and one subspecies of snakes of the genus Vipera, and of five species of Macrovipera, by two experimental equine antisera. One antiserum was a trivalent preparation raised against the venoms of Vipera aspis aspis, Vipera berus berus and Vipera ammodytes ammodytes; the other was a pentavalent preparation that also included venoms of Vipera (now Montivipera) xanthina and Macrovipera lebetina obtusa. We measured specific neutralization of lethality against all venoms included in the immunization schemes, and paraspecific neutralization against the venoms of Vipera ammodytes montandoni, Vipera (Montivipera) bornmuelleri, Vipera latastei, Vipera (Mo.) latifii, Vipera (Mo.) lotievi, Vipera (Daboia) palaestinae, Vipera (Mo.) raddei and Vipera seoanei, as well as against Macrovipera (D.) deserti, Macrovipera lebetina cernovi, Macrovipera lebetina turanica and Macrovipera schweitzeri. We found an important degree of paraspecific protection within each genera (omitting recent reclassification) that was quite independent of both the lethal potency of the venoms and their geographic origin. This information may be of use to clinicians charged with the treatment of Vipera or Macrovipera envenomations with non-specific antivenoms.
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Affiliation(s)
- Irving G Archundia
- Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001, Cuernavaca, Morelos 62210, Mexico
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Abstract
A review of published reports on the incidence, pathology, and treatment of adder (Vipera berus) bites in man in the United Kingdom and Europe produced numerous case studies but little information about the impact od adders as a threat to public health. Adder bites in man are not uncommon (at least 44/year and probably more than 90/year in the United Kingdom) and, although they have been recorded for every month of the year between February and October, envenoming is most likely to occur during June, July, and August. Most adder bites are on the hand (51.6%) or foot (38.2%). The effects of adder bite envenoming are now know. Effective treatment protocols can reduce both the length of time victims spend in hospital and the morbidity in the affected areas: they have resulted in a decline in the death rate over the last 30 years, so that deaths are now rare.
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Affiliation(s)
- C J Reading
- Institute of Terrestrial Ecology, Furzebrook Research Station, Dorset, United Kingdom.
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Abstract
The results of hospital admissions for adder bite suffered by British Army personnel were reviewed over a ten year period. They confirmed the low bite rate and the risk factors previously demonstrated in earlier studies. In particular, the dangers of handling and attempting to catch the snake were highlighted. Also illustrated was a general ill-preparedness by clinicians to manage the condition. In this connection, the use of specific Zagreb anti-venom preparation for cases of severe poisoning is advocated, as is admission to hospital for assessment and appropriate monitoring. Adder bite is both unusual and unpredictable so caution needs to be exercised in the initial clinical appraisal.
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Affiliation(s)
- A Hawley
- 23 Parachute Field Ambulance, Rhine Barracks, Aldershot
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