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https://www.readbyqxmd.com/read/27045362/red-bellied-black-snake-pseudechis-porphyriacus-envenomation-in-the-dog-diagnosis-and-treatment-of-nine-cases
#1
Andrew M Padula, Kenneth D Winkel
The clinical signs, biochemical changes and serum and urine venom concentrations for a series of nine cases of Red bellied black snake [RBBS] (Pseudechis porphyriacus) envenomation in eight dogs seen in a regional Australian veterinary hospital are described. Although the resulting envenomation syndrome was, in most cases, relatively mild and responded rapidly to intravenous administration of a novel bivalent caprylic acid purified whole IgG equine antivenom for tiger (Notechis scutatus) and brown snake (Pseudonaja textilis), one fatality prior to antivenom treatment was recorded...
July 2016: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/26930223/successful-use-of-camelid-alpaca-antivenom-to-treat-a-potentially-lethal-tiger-snake-notechis-scutatus-envenomation-in-a-dog
#2
Andrew M Padula, Kenneth D Winkel
This report describes a confirmed clinical case of tiger snake (Notechis scutatus) envenomation in a domestic dog that was successfully treated with a novel polyvalent camelid (alpaca; Llama pacos) antivenom. Samples collected from the dog were assayed for tiger snake venom (TSV) using a highly sensitive and specific ELISA. The TSV concentration in serum and urine at initial presentation was 365 ng/mL and 11,640 ng/mL respectively. At the time of initial presentation whole blood collected from the dog did not clot and the Prothrombin Time was abnormally increased (>300 s)...
May 2016: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/26355585/severe-pit-viper-envenomation-with-extended-clinical-signs-and-treatment-complications-in-a-dog
#3
Michael Schaer, Gareth J Buckley, Bobbi J Conner, Laura C Cuddy, Alessio Vigani, Allison E Vansickle, James G Coisman, Deanna R DeVuyst, Carsten Bandt
This manuscript describes the extended clinical abnormalities that can occur in severe snake envenomation and the clinical signs associated with antivenom hypersensitivity in a 3 yr old dog. Treatment consisted of IV fluid therapy, analgesics, a vasopressor, cardiac antiarrhythmia drugs, and polyvalent pit viper antivenom. Following initial response to treatment, relapse of clinical signs occurred. Most interesting was the recrudescence of clinical signs on day 7 that may have been caused by the release of deposited venom during surgical debridement of necrotic skin...
September 2015: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/26313210/presumed-secondary-immune-mediated-haemolytic-anaemia-following-elapid-snake-envenomation-and-its-treatment-in-four-dogs
#4
H M Ong, A Witham, K Kelers, M Boller
CASE SERIES: This case series describes secondary immune-mediated haemolytic anaemia (IMHA) in four dogs following elapid snake envenomation and its treatment. All the dogs initially presented with clinical signs commensurate with mainland tiger snake (Notechis scutatus) envenomation. None of the dogs was anaemic at the time of presentation. IMHA was diagnosed 3-9 days following snake envenomation. The trigger for IMHA was unclear in each case and may have been a component of the snake venom, antivenom, fresh frozen plasma, concurrent morbidity, administered drugs or a combination thereof...
September 2015: Australian Veterinary Journal
https://www.readbyqxmd.com/read/26153981/an-instructive-case-of-presumed-brown-snake-pseudonaja-spp-envenoming
#5
Judy Ou, Sebastien Haiart, Steven Galluccio, Julian White, Scott A Weinstein
CONTEXT: Several species of medically important Australian elapid snakes are frequently involved in human envenoming. The brown snake group (Pseudonaja spp., 9 species) is most commonly responsible for envenoming including life-threatening or fatal cases. Several Pseudonaja spp. can inflict human envenoming that features minor local effects, but may cause serious systemic venom disease including defibrination coagulopathy, thrombocytopenia, micro-angiopathic hemolytic anemia (MAHA) and, rarely, paralysis...
2015: Clinical Toxicology
https://www.readbyqxmd.com/read/25981819/tail-wags-the-dog-activity-of-krait-natriuretic-peptide-is-determined-by-its-c-terminal-tail-in-a-natriuretic-peptide-receptor-independent-manner
#6
Sindhuja Sridharan, R Manjunatha Kini
Natriuretic peptides (NPs) are potent vasoactive hormones, which maintain pressure-volume homoeostasis. Snake venom NPs exhibit distinct biological activity compared with mammalian NPs due to subtle changes in their sequences. We recently identified a new NP from krait venom (KNP), with an unusual 38-residue long C-terminal tail, which has a propensity to form an α-helix. KNP mediates vasodilation via NP receptor (NPR) independent mechanisms on pre-contracted aortic strips in contrast with classical NPs. The infusion of KNP in anaesthetized rats resulted in a prolonged and sustained drop in blood pressure (BP) and heart rate (HR) with no renal effects in contrast with mammalian counterparts...
July 15, 2015: Biochemical Journal
https://www.readbyqxmd.com/read/25729094/toxicology-and-treatment-medical-authorities-and-snake-bite-in-the-middle-ages
#7
Kathleen Walker-Meikle
By end of the thirteenth century, surgeons and university-trained physicians in Western Europe had a plethora of authorities from the Greco-Roman and Arabic tradition from which to consult for the treatment of snake-bites. Venomous animals receive the largest share of attention in the literature on biting animals. Nearly all of the sources focus on the idea of the animal biting or puncturing the skin's surface with their mouths and few poisonous animals where the venom is passed on through the skin or hairs are mentioned...
December 1, 2014: Korot
https://www.readbyqxmd.com/read/25351524/hemostatic-analysis-of-dogs-naturally-envenomed-by-the-african-puffadder-bitis-arietans-and-snouted-cobra-naja-annulifera
#8
Susanna S Nagel, Johan P Schoeman, Peter N Thompson, Bo Wiinberg, Amelia Goddard
OBJECTIVE: To investigate hemostatic changes in dogs envenomed by cytotoxic (African puffadder) and neurotoxic snakes (snouted cobra) using thromboelastography (TEG) and plasma-based coagulation assays. DESIGN: Prospective observational clinical study. SETTING: University teaching hospital. ANIMALS: Eighteen client-owned dogs; 9 envenomed by African puffadder (Bitis arietans) and 9 by snouted cobra (Naja annulifera)...
November 2014: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/25088177/intravascular-hemolysis-induced-by-the-venom-of-the-eastern-coral-snake-micrurus-fulvius-in-a-mouse-model-identification-of-directly-hemolytic-phospholipases-a2
#9
Ruth Arce-Bejarano, Bruno Lomonte, José María Gutiérrez
Intravascular hemolysis has been described in envenomings by the Eastern coral snake, Micrurus fulvius, in dogs. An experimental model of intravascular hemolysis was developed in mice after intravenous (i.v.) injection of M. fulvius venom. Within one hr, there was prominent hemolysis, associated with a drastic drop in hematocrit, morphological alterations of erythrocytes, hemoglobinemia, and hemoglobinuria. Hemoglobin was identified in urine by mass spectrometry. Histological sections of kidney revealed abundant hyaline casts, probably corresponding to hemoglobin...
November 2014: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/24739031/thromboelastographic-evaluation-of-hemostatic-function-in-dogs-treated-for-crotalid-snake-envenomation
#10
Robert A Armentano, Carsten Bandt, Michael Schaer, John Pritchett, Andre Shih
OBJECTIVE: To characterize the overall hemostatic changes in dogs envenomated by crotaline snakes via kaolin-activated thromboelastography (TEG), and to determine any prognostic/monitoring value from a TEG tracing on presentation, as well as during treatment with antivenom therapy. DESIGN: Prospective observational, cohort study. SETTING: University teaching hospital and primary emergency hospital. ANIMALS: Thirty-eight dogs envenomated by crotaline snakes...
March 2014: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/24615173/production-and-assessment-of-ovine-antisera-for-the-manufacture-of-a-veterinary-adder-antivenom
#11
F M S Bolton, N R Casewell, I Al-Abdulla, J Landon
Medically important venomous snakes in Western Europe are Vipera ammodytes, Vipera aspis, Vipera berus and Vipera latastei. Envenomation of dogs and other animals by these snakes receives limited attention despite the relative frequency and potential mortality and morbidity. This reflects, in part, the lack of a dedicated veterinary antivenom. Successful antivenoms are derived from antisera containing high levels of specific polyclonal antibodies that bind to, and neutralise, all the toxins present. This requires a careful choice of immunogen, animals and immunisation schedule...
April 19, 2014: Veterinary Record
https://www.readbyqxmd.com/read/24563606/endonuclease-and-exonuclease-activities-on-oligodeoxynucleotides-containing-spiroiminodihydantoin-depend-on-the-sequence-context-and-the-lesion-stereochemistry
#12
Xin Chen, Aaron M Fleming, James G Muller, Cynthia J Burrows
8-Oxo-7,8-dihydro-2'-deoxyguanosine (dOG), a well-studied oxidation product of 2'-deoxyguanosine (dG), is prone to facile further oxidation forming spiroiminodihydantoin 2'-deoxyribonucleoside (dSp) in the nucleotide pool and in single-stranded oligodeoxynucleotides (ODNs). Many methods for quantification of damaged lesions in the genome rely on digestion of DNA with exonucleases or endonucleases and dephosphorylation followed by LC-MS analysis of the resulting nucleosides. In this study, enzymatic hydrolysis of dSp-containing ODNs was investigated with snake venom phosphodiesterase (SVPD), spleen phosphodiesterase (SPD) and nuclease P1...
November 1, 2013: New Journal of Chemistry, Nouveau Journal de Chimie
https://www.readbyqxmd.com/read/24304906/myocardial-injury-in-dogs-with-snake-envenomation-and-its-relation-to-systemic-inflammation
#13
Rebecca Langhorn, Frida Persson, Björn Ablad, Amelia Goddard, Johan P Schoeman, Jakob L Willesen, Inge Tarnow, Mads Kjelgaard-Hansen
OBJECTIVE: To investigate the presence of myocardial injury in dogs hospitalized for snake envenomation and to examine its relationship with systemic inflammation. DESIGN: Prospective case-control study. SETTING: University teaching hospital and small animal referral hospital. ANIMALS: Dogs naturally envenomed by the European viper (Vipera berus; n = 24), African puff adder (Bitis arietans; n = 5), or snouted cobra (Naja annulifera; n = 9)...
March 2014: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/24102941/adverse-reactions-to-equine-derived-f-ab-2-antivenin-in-54-dogs-envenomated-by-vipera-berus-berus
#14
Heidi S Lund, Veronica Kristiansen, Anna V Eggertsdóttir, Ellen Skancke, Birgit Ranheim
OBJECTIVE: To describe the occurrence of acute and delayed adverse reactions following the administration of an equine-derived F(ab')2 -antivenin in dogs with Vipera berus berus envenomation. DESIGN: Prospective study (2006-2009). SETTING: Private small animal clinics and university small animal teaching hospital in Norway. ANIMALS: Fifty-four dogs with Vipera berus berus envenomation treated with F(ab')2 -antivenin...
September 2013: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/23718740/successful-snakebite-treatment-in-three-juvenile-african-wild-dogs-lycaon-pictus-with-polyvalent-antivenom-a-namibian-case-report
#15
Florian J Weise, Rudie J van Vuuren, Katherine E Echement, Matthew P Cleverley, Marlice van Vuuren
This article reports the first documented treatment of venomous snakebite with a polyvalent snake antivenom from the South African Institute for Medical Research in endangered African wild dogs (Lycaon pictus). Three juvenile male animals (6.5 months of age) showed clinical signs after being bitten by an unidentified venomous snake. The signs included loss of appetite, disorientation, impaired locomotion, excessive facial swelling, profuse salivation, reduced respiratory effort and an apparent depressed mental state...
2013: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/23327143/morbidity-and-mortality-following-envenomation-by-the-common-night-adder-causus-rhombeatus-in-three-dogs
#16
Kurt G M de Cramer, Garreth A van Bart, Freek Huberts
In South Africa dogs are frequently presented to veterinarians following snakebite. The offending snakes are usually puff adders (Bitis arietans), cobras (Naja spp.) and mambas (Dendroaspis spp.). Night adder (Causus rhombeatus) bites in dogs have not yet been reported in South Africa. This article deals with three cases of dogs bitten by night adders in which extensive tissue damage was noted and one fatality occurred. Night adder bites may be indistinguishable from puff adder bites. Non-specific treatment included addressing the hypovolaemia and swelling...
2012: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/23277442/pit-viper-envenomation-in-a-military-working-dog
#17
REVIEW
Curtis R Cline, Michelle E Goodnight
Military working dogs are often trained and/or work in locations where the potential for snake bites is increased. Knowledge of the local venomous snakes, the effects of their venom, and appropriate initial stabilization is essential for the US Army Veterinary Corps officer (VCO). As military practitioners, VCOs are uniquely situated to benefit from collaboration with other military assets for air evacuation and treatment of their patients. A recent clinical case of envenomation is presented, along with a review of the most current literature regarding treatment of envenomation in veterinary patients...
January 2013: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/23178369/biochemical-and-functional-characterization-of-a-c-type-lectin-bplec-from-bothrops-pauloensis-snake-venom
#18
Letícia Eulálio Castanheira, Débora Cristina de Oliveira Nunes, Thomaz Monteiro Cardoso, Paula de Souza Santos, Luiz Ricardo Goulart, Renata Santos Rodrigues, Michael Richardson, Márcia Helena Borges, Kelly Aparecida Geraldo Yoneyama, Veridiana M Rodrigues
In the present work, we report the isolation and partial biochemical characterization of BpLec, a C-type lectin purified from Bothrops pauloensis venom by one chromatographic step on an affinity agarose column immobilized with d-galactose. This protein was homogeneous by SDS-PAGE under reducing and nonreducing conditions, and was shown to be a 33.6 kDa homodimer by MALDI TOF analysis. BpLec presented an isoeletric point of 5.36. Its partial sequence of 132 amino acids for each subunit, determined by Edman degradation, revealed high identity (between 86% and 95%) when aligned with sequences of other related proteins...
March 2013: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/23101331/-practical-guidelines-for-the-treatment-of-cases-of-adder-envenomation-in-dogs
#19
N C van Rhijn, M E C Leenders, G C H Willemse, M A Dijkman
Every year, dogs are presented to veterinary clinics in the Netherlands after having been bitten by a viper. The viper is the only venomous snake native to the Netherlands. Clinical signs after an acquired viper bite can range from none (after a 'dry' bite) to very mild up to life threatening following a 'wet' bite. To prevent mortality it is important to monitor the animals for a period of time and provide adequate treatment. Clotting disorders and multiple organ failure can occur several days to a week after the viper bite, appropriate follow up is therefore important...
October 2012: Tijdschrift Voor Diergeneeskunde
https://www.readbyqxmd.com/read/22975087/proteomic-profiling-of-dog-urine-after-european-adder-vipera-berus-berus-envenomation-by-two-dimensional-difference-gel-electrophoresis
#20
Mari Palviainen, Marja Raekallio, Mari Vainionpää, Suvi Kosonen, Outi Vainio
Between April and September every year, many dogs in Finland are bitten by Vipera berus berus, also known as the European adder, the only venomous snake in the area. Exposure to snake bite venom causes local and systemic symptoms and in severe cases can lead to death. Urine samples were collected from four dogs bitten by V. berus berus and treated in the intensive care unit of the Veterinary Teaching Hospital at the University of Helsinki. The inclusion criteria were a strong suspicion of an adder bite no more than two days before admission and clinical signs of an adder bite...
December 1, 2012: Toxicon: Official Journal of the International Society on Toxinology
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