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https://www.readbyqxmd.com/read/28636631/incidence-and-mortality-due-to-snakebite-in-the-americas
#1
Jean-Philippe Chippaux
BACKGROUND: Better knowledge of the epidemiological characteristics of snakebites could help to take measures to improve their management. The incidence and mortality of snakebites in the Americas are most often estimated from medical and scientific literature, which generally lack precision and representativeness. METHODOLOGY/PRINCIPAL FINDINGS: Authors used the notifications of snakebites treated in health centers collected by the Ministries of Health of the American countries to estimate their incidence and mortality...
June 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28627854/swiss-and-tropical-snakebites-the-clinical-management
#2
Laurence Rochat, Gabriel Alcoba
With increasing trips to tropical areas, as well as a high number of venomous snake holders in the country, the frequency of snake bites is likely to increase. Even if in 50 % of cases, the bites do not lead to clinical envenoming, rapid and effective management is essential to successful treatment, which includes supply with the polyvalent or specific antivenom and recognition of the signs and symptoms justifying its administration. We will deal here mainly with local and tropical snake envenoming that Swiss practitioners could encounter in their offices or the emergency rooms and propose scenarios according to the syndromes...
May 3, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28595590/shortcomings-in-snake-bite-management-in-rural-cameroon-a-case-report
#3
Frank-Leonel Tianyi, Christian Akem Dimala, Vitalis Fambombi Feteh
BACKGROUND: Snake bites are an important public health problem in developing countries with most bites occurring in rural areas. Severe envenomation often occurs in children and following bites to the face. Prompt administration of potent anti-venom remains the mainstay of management. However in Cameroon, the use of anti-venoms is limited by non-availability, high cost (where available) and poor mastery of treatment guidelines. CASE PRESENTATION: We present a 10-year-old muslim Cameroonian child from an enclaved rural area, brought to the hospital 12 h after a snake bite to the face, with signs of severe envenomation...
June 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28592212/low-dose-versus-high-dose-anti-snake-venom-therapy-in-the-treatment-of-haematotoxic-snake-bite-in-south-india
#4
Imanto M Joseph, Cijoy K Kuriakose, Anand Vimal Dev, George A Philip
Most of the studies on the appropriate dose of anti-snake venom (ASV) are from tertiary hospitals and the guidelines are unclear. Our observational study compared the outcomes of two prevalent treatment regimes for haematotoxic snake bite in a secondary care hospital in South India. The time to normalisation of whole blood clotting time, mortality and complications were not different between the groups. The average dose of ASV required in the low and high dose groups were 106 mL and 246 mL, respectively...
January 1, 2017: Tropical Doctor
https://www.readbyqxmd.com/read/28579478/absolute-venomics-absolute-quantification-of-intact-venom-proteins-through-elemental-mass-spectrometry
#5
Francisco Calderón-Celis, Laura Cid-Barrio, Jorge Ruiz Encinar, Alfredo Sanz-Medel, Juan J Calvete
We report the application of a hybrid element and molecular MS configuration for the parallel absolute quantification of μHPLC-separated intact sulfur-containing venom proteins, via ICP triple quadrupole MS and (32)S/(34)S isotope dilution analysis, and identification by ESI-QToF-MS of the toxins of the medically important African black-necked spitting cobra, Naja nigricollis (Tanzania); New Guinea small-eyed snake, Micropechis ikaheka; and Papuan black snake, Pseudechis papuanus. The main advantage of this approach is that only one generic sulfur-containing standard is required to quantify each and all intact Cys- and/or Met-containing toxins of the venom proteome...
July 5, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28574015/clinical-profile-complications-of-neurotoxic-snake-bite-comparison-of-two-regimens-of-polyvalent-anti-snake-venom-in-its-treatment
#6
Krishna Sarin, Tarun Kumar Dutta, K V Vinod
BACKGROUND & OBJECTIVES: The optimal anti-snake venom (ASV) dose required to treat neurotoxic snake envenomation is not known. Low-dose ASV (national protocol: maximum dose 200 ml) may be as efficacious as the conventional regimen (100 ml six hourly till all symptoms disappear), but a direct comparison of the regimens is not available. The aim of this study was to test the efficacy of low-dose ASV regimen against the conventional high-dose regimen. METHODS: The clinical profile of 51 patients with neurotoxic snake envenomation was studied...
January 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28573238/kirkia-acuminata-oliv-a-review-of-its-ethnobotany-and-pharmacology
#7
Alfred Maroyi
BACKGROUND: Local communities in sub-Saharan Africa have a long history of medicinal plant usage. Like in other parts of the developing world, rural and urban communities are still dependent on herbal medicines for primary health care, and the use of herbal medicines is still an integral part of their daily life and socio-cultural life style. The objective of this paper is to summarise information on the ethnobotany and pharmacology of Kirkia acuminata Oliv. throughout its distributional range...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28571206/spontaneous-intracerebral-bleed-post-snake-envenomation
#8
Girish Menon, Lakshman I Kongwad, Rajesh Parameshwaran Nair, Anmol Nagaraj Gowda
Snakebite envenomation is a commonly encountered emergency in tropical countries with potentially fatal complications. Life threatening neurosurgical complications are rare and infrequently documented in literature. We discuss the case of 28-year-old gentleman, managed successfully for an intracerebral haemorrhage following a viper bite and attempt to obviate some management dilemmas often encountered in viperine envenomation.
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28562767/infrared-thermography-to-diagnose-and-manage-venomous-animal-bites-and-stings
#9
Carlos Roberto de Medeiros, Marcos Leal Brioschi, Solange Nogueira de Souza, Manoel Jacobsen Teixeira
INTRODUCTION: Infrared imaging (IR) is a noninvasive technique that quantifies body surface temperature, producing a digital color image. IR has been used to study diseases in which skin temperature can reflect the presence of inflammation. METHODS: This was an observational pilot study of eight patients envenomed by snakes, spiders, and scorpions. All patients were examined using a thermal camera. RESULTS: In all cases, we obtained infrared images that corroborated clinical findings indicating localized effects of venom, specifically inflammation...
March 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28542227/health-beliefs-of-school-age-rural-children-in-podoconiosis-affected-families-a-qualitative-study-in-southern-ethiopia
#10
Abebayehu Tora, Getnet Tadele, Abraham Aseffa, Colleen M McBride, Gail Davey
BACKGROUND: Several studies have suggested investigation of health beliefs in children to be an important pre-condition for primary prevention of disease. However, little effort has been made to understand these in the context of podoconiosis. This study therefore aimed to explore the health beliefs of school-age rural children in podoconiosis-affected families. METHODOLOGY/PRINCIPAL FINDINGS: A cross sectional qualitative study was conducted in March 2016 in Wolaita Zone, Southern Ethiopia...
May 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28540846/role-of-thromboelastography-in-the-management-of-snake-bite-a-case-report-from-india
#11
Ipsita Nag, Suvro Sankha Datta, Dibyendu De, Partha Pal, Shantanu K Das
In the absence of a specific laboratory test of envenomation, there is a need for an alternative mechanism for the early recognition of envenomation following hematotoxic snake-bite in tropical countries. Abnormalities of clotting are commonly associated with hematotoxic snake bite either due to systemic envenomation or due to the release of an inappropriate tourniquet applied as 'first-aid' often by the rural people before presentation to the hospital. Thromboelastography (TEG) has been used to monitor the coagulation abnormalities in various clinical scenarios...
April 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28540205/clinicopathological-spectrum-of-snake-bite-induced-acute-kidney-injury-from-india
#12
Sanjay Vikrant, Ajay Jaryal, Anupam Parashar
AIM: To study the clinico-pathological spectrum of snake bite-induced acute kidney injury (AKI). METHODS: A retrospective study of patients admitted at Indira Gandhi Medical College Hospital, Shimla with snake bite-induced AKI from July 2003 to June 2016. Medical records were evaluated for patient's information on demographic, clinical characteristics, complications and outcome. Outcomes of duration of hospital stay, requirement for intensive care unit support, treatment with dialysis, survival and mortality were analyzed...
May 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28534833/coagulating-colubrids-evolutionary-pathophysiological-and-biodiscovery-implications-of-venom-variations-between-boomslang-dispholidus-typus-and-twig-snake-thelotornis-mossambicanus
#13
Jordan Debono, James Dobson, Nicholas R Casewell, Anthony Romilio, Bin Li, Nyoman Kurniawan, Karine Mardon, Vera Weisbecker, Amanda Nouwens, Hang Fai Kwok, Bryan G Fry
Venoms can deleteriously affect any physiological system reachable by the bloodstream, including directly interfering with the coagulation cascade. Such coagulopathic toxins may be anticoagulants or procoagulants. Snake venoms are unique in their use of procoagulant toxins for predatory purposes. The boomslang (Dispholidus typus) and the twig snakes (Thelotornis species) are iconic African snakes belonging to the family Colubridae. Both species produce strikingly similar lethal procoagulant pathologies. Despite these similarities, antivenom is only produced for treating bites by D...
May 19, 2017: Toxins
https://www.readbyqxmd.com/read/28507562/antivenomics-as-a-tool-to-improve-the-neutralizing-capacity-of-the-crotalic-antivenom-a-study-with-crotamine
#14
Ricardo Teixeira-Araújo, Patrícia Castanheira, Leonora Brazil-Más, Francisco Pontes, Moema Leitão de Araújo, Maria Lucia Machado Alves, Russolina Benedeta Zingali, Carlos Correa-Netto
BACKGROUND: Snakebite treatment requires administration of an appropriate antivenom that should contain antibodies capable of neutralizing the venom. To achieve this goal, antivenom production must start from a suitable immunization protocol and proper venom mixtures. In Brazil, antivenom against South American rattlesnake (Crotalus durissus terrificus) bites is produced by public institutions based on the guidelines defined by the regulatory agency of the Brazilian Ministry of Health, ANVISA...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28487791/a-horned-viper-bite-victim-with-pres
#15
Ahmed Mustafa Ibrahim, Tarek Talaat ElSefi, Maha Ghanem, Akram Muhammad Fayed, Nesreen Adel Shaban
Neurological complications of snake bites have been well documented in the literature as neuromuscular paralysis and cerebrovascular complications; posterior reversible encephalopathy syndrome was rarely described. A 23-year-old lady presented near full term of her pregnancy with a horned snake Cerastes cerastes bite; after successful delivery she started complaining of altered mental status and visual disturbance with ulceration over the site of the snake bite. On admission, the patient had Glasgow Coma Score of 12, blood pressure 130/80 mmHg, temperature 38°C, sinus tachycardia at 120 beats per minute, severe dehydration, and reduction in visual acuity to "hand motion" in both eyes with poor light projection and sluggish pupillary reactions...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28476572/venomics-of-bungarus-caeruleus-indian-krait-comparable-venom-profiles-variable-immunoreactivities-among-specimens-from-sri-lanka-india-and-pakistan
#16
Angeline Mei Feng Oh, Choo Hock Tan, Gnanathasan Christeine Ariaranee, Naeem Quraishi, Nget Hong Tan
The Indian krait (Bungarus caeruleus) is one of the "Big Four" venomous snakes widely distributed in South Asia. The present venomic study reveals that its venom (Sri Lankan origin) is predominated by phospholipases A2 (64.5% of total proteins), in which at least 4.6% are presynaptically-acting β-bungarotoxin A-chains. Three-finger toxins (19.0%) are the second most abundant, comprising 15.6% κ-neurotoxins, the potent postsynaptically-acting long neurotoxins. Comparative chromatography showed that venom samples from Sri Lanka, India and Pakistan did not exhibit significant variation...
May 2, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28462021/differential-transcript-profile-of-inhibitors-with-potential-anti-venom-role-in-the-liver-of-juvenile-and-adult-bothrops-jararaca-snake
#17
Cícera Maria Gomes, Karen de Morais-Zani, Stephen Lu, Diego de Souza Buarque, Glória Regina Cardoso Braz, Kathleen Fernandes Grego, Aparecida Sadae Tanaka, Anita Mitico Tanaka-Azevedo
BACKGROUND: Snakes belonging to the Bothrops genus are vastly distributed in Central and South America and are responsible for most cases of reported snake bites in Latin America. The clinical manifestations of the envenomation caused by this genus are due to three major activities-proteolytic, hemorrhagic and coagulant-mediated by metalloproteinases, serine proteinases, phospholipases A2 and other toxic compounds present in snake venom. Interestingly, it was observed that snakes are resistant to the toxic effects of its own and other snake's venoms...
2017: PeerJ
https://www.readbyqxmd.com/read/28461874/epidemiological-study-of-snakebites-in-ardabil-province-iran
#18
Esmaeil Farzaneh, Nasrin Fouladi, Yousef Shafaee, Zahra Mirzamohammadi, Farnaz Naslseraji, Omid Mehrpour
INTRODUCTION: Average annual incidence of snakebite worldwide is between 5.5 to 1.2 million, and at least 125,000 of them are fatal. In Iran, around 4,500-11,000 snakebites occur annually, and a small number of them are fatal. Snake bites can cause intoxity and immediate death in patients, and the aim of this study was to investigate the epidemiological study of snakebites in Ardabil Province. METHODS: This study was a cross-sectional that has been done on 67 snakebite patients who were admitted to the Imam Khomeini Hospital of Ardabil during 2008-2013...
March 2017: Electronic Physician
https://www.readbyqxmd.com/read/28456535/-dry-bite-in-venomous-snakes-a-review
#19
REVIEW
B Sadananda Naik
It is quite interesting that when a venomous snake bites a person and the victim does not suffer from any signs or symptoms of envenomation. A good percentage of venomous snake bites in humans do occur without venom injection. This phenomenon is termed as "Dry" bite in clinical medicine. Though this was not very uncommon in toxicological practice but, our awareness of this problem has increased. In this article an effort has been made to provide an insight into the incidence, pathophysiology and patho-mechanics of this unique medical enigma...
July 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28450682/clinical-serum-therapy-benefits-cautions-and-potential-applications
#20
Toru Hifumi, Akihiko Yamamoto, Manabu Ato, Kyoko Sawabe, Kazunori Morokuma, Nobuya Morine, Yutaka Kondo, Eiichiro Noda, Atsushi Sakai, Jin Takahashi, Kazuo Umezawa
Blood serum from immunized humans or animals (e.g., horses) contains relevant antibodies and has been used as serum therapy to treat many diseases or envenomation events. The effectiveness of blood serum was initially discovered in 1890 when Kitasato and von Behring observed the effectiveness of this type of therapy against diphtheria and tetanus. Serum therapies played an important role in the advancement of modern medicine prior to the development of penicillin and steroids. At present, several types of serum therapy remain in clinical use...
April 28, 2017: Keio Journal of Medicine
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