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https://www.readbyqxmd.com/read/29772722/ethnobotany-phytochemistry-and-pharmacological-effects-of-plants-in-genus-cynanchum-linn-asclepiadaceae
#1
REVIEW
Lu Han, Xiuping Zhou, Mengmeng Yang, Li Zhou, Xinxin Deng, Shijie Wei, Wenping Wang, Zhizhong Wang, Xue Qiao, Changcai Bai
Genus Cynanchum L. belongs to the family Asclepiadaceae, which comprise more than 200 species distributed worldwide. In Chinese medical practice, numerous drugs (such as tablets and powders) containing different parts of plants of this genus are used to treat snake bites, bruises, osteoblasts, rheumatoid arthritis and tumors. A search for original articles published on the cynanchum genus was performed by using several resources, including Flora of China Official Website and various scientific databases, such as PubMed, SciFinder, the Web of Science, Science Direct, and China Knowledge Resource Integrated (CNKI)...
May 16, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29746978/clinical-studies-of-the-effectiveness-and-safety-of-antivenoms
#2
David J Williams, Abdulrazaq G Habib, David A Warrell
In the 1890s, hyperimmune sera proved effective in animals against challenge by the snake venom against which they had been raised. They were first used, apparently successfully, in a human patient in about 1895. Since then, antivenoms have become accepted as the only reliable specific treatment for snake-bite envenoming. Despite decades of accumulated clinical experience and a number of published randomised comparative and observational studies, the clinical effectiveness and safety of some antivenoms remain open to question, due to a lack of robust randomised controlled trial data...
May 7, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29734716/nutraceutical-and-ethnopharmacological-properties-of-vangueria-infausta-subsp-infausta
#3
REVIEW
Alfred Maroyi
Vangueria infausta subsp. infausta (VI) is a nutraceutical with plant parts valued in several cultures for its medicinal properties. Traditionally, VI is used against gastro-intestinal disorders, malaria, pneumonia, cough, menstrual problems, parasitic worms, chest complaints, snake bites, infertility, fever, candidiasis and abdominal pains. This study aims to critically summarize the nutraceutical properties, phytochemistry and pharmacology of VI with a view to provide baseline data required for further investigations on this plant...
May 4, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29705149/assessment-of-the-potential-toxicological-hazard-of-the-green-parrot-snake-leptophis-ahaetulla-marginatus-characterization-of-its-venom-and-venom-delivery-system
#4
Matías N Sánchez, Gladys P Teibler, Carlos A López, Stephen P Mackessy, María E Peichoto
Snakes are the major group of venomous vertebrates, and the rear-fanged snakes represent the vast majority of species and occur worldwide; however, relatively few studies have characterized their venoms and evaluated their potential hazards for humans. Herein we explore the protein composition and properties of the venom of the rear-fanged Green Parrot Snake, Leptophis ahaetulla marginatus, the most common snake found in the Iguazu National Park (Argentina), as well as the main features of its venom delivery system...
April 26, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29664034/incidence-prognosis-of-acute-kidney-injury-in-individuals-of-snakebite-in-a-tertiary-care-hospital-in-india
#5
Ramulu Pulimaddi, Amruth Rao Parveda, Balkishan Brahmanpally, Paul Marx Kalakanda, K Ramakrishna, Venkata Ramana Devi Chinnapaka
Background & objectives: The snakebites are considered to be an occupational hazard in agriculture workers and the snake handlers, resulting in a considerable morbidity, mortality and economical implications. This study was conducted to determine the incidence, clinical presentation, renal injury and clinical outcome in snakebite victims who developed acute kidney injury (AKI). Methods: This hospital-based prospective, observational study was done on 100 cases who were admitted for the management of snakebite and found to develop AKI in a tertiary care hospital at Hyderabad, India...
December 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29651298/true-or-false-coral-snake-is-it-worth-the-risk-a-micrurus-corallinus-case-report
#6
Marcelo Abrahão Strauch, Guilherme Jones Souza, Jordana Nahar Pereira, Tyelli Dos Santos Ramos, Marcelo Oliveira Cesar, Marcelo Amorim Tomaz, Marcos Monteiro-Machado, Fernando Chagas Patrão-Neto, Paulo A Melo
Background: Bites provoked by the genus Micrurus represent less than 1% of snakebite cases notified in Brazil, a tiny fraction compared with other genus such as Bothrops and Crotalus , which together represent almost 80% of accidents. In addition to their less aggressive behavior, habits and morphology of coral snakes are determinant factors for such low incidence of accidents. Although Micrurus bites are rare, victims must be rescued and hospitalized in a short period of time, because this type of envenoming may evolve to a progressive muscle weakness and acute respiratory failure...
2018: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/29626137/snakebites-in-africa-and-europe-a-military-perspective-and-update-for-contemporary-operations
#7
REVIEW
Daniel Wilkins, D S Burns, D Wilson, D A Warrell, L E M Lamb
Snakebite envenoming is rare among military patients, with few cases reported in recent years. Increasingly, however, military operations are taking place in remote parts of Africa, which are inhabited by numerous species of venomous snake, and in Europe, where dangerous species exist but are less common. Bites from a venomous snake may prove fatal, and therefore military medics must be adequately prepared to manage them. This paper reviews the most medically significant species of venomous snake present in Africa and Europe, before suggesting an evidence-based approach to snakebite prevention and management, including possible changes to the UK's Clinical Guidelines for Operations...
April 5, 2018: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/29625942/lethal-toxic-dose-i-p-ld50-total-protein-contents-and-comparative-hemolytic-potential-of-99mtc-labeled-non-labeled-naja-naja-karachiensis-venom
#8
Muhammad Hassham Bin Asad, Arooj Fatima Asad, Sumbal Bibi, Kaleem Ullah, Tariq Javed, Majeed Ullah, Atif Ali, Ziaur Rahman Qureshi, Muhammad Imran Amirzada, Yasser Msa Al-Kahraman, Syed Muhammad Farid Hasan, Jean-Marc Sabatier, Albert Rizvanov
Recent recognition about snake bite envenomation on June, 2017 as neglected tropical disease under category-A by World Health Organization advocated again its undeniable importance. Present circumstances reasoned to work on a neglected subspecies of Naja naja, i.e., Naja naja karachiensis (N. n. karachensis) has been documented for frequent deaths in Pakistan. In this study median lethal toxic dose (LD50 ) was determined intraperitoneally in Swiss albino mice and was found to be 2.0µg/g (2.0mg/kg) equal in potency to Naja pallida (red spitting African cobra)...
March 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29616641/snake-bites-by-bothrops-lanceolatus-in-martinique
#9
D Resiere, M Hossein, B Megarbane
Bothrops lanceolatus, a member of the Viperidae family and Crotalinae subfamily, is the only snake causing envenomation in Martinique, which is the only place it exists in the world. Any bite by this snake may result in severe thrombotic complications including cerebral, pulmonary, and myocardial infarction and affecting the patient's vital or functional prognosis. The exact composition of the venom as well as the mechanisms of toxicity involved are still debated today. The first specific antivenom immunotherapy (AVI), Bothrofav1, manufactured in 1991, reduced mortality and morbidity significantly...
February 1, 2018: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/29616630/the-antivenom-efficacy-against-a-viper-bite-without-medical-treatment-for-3-days-a-case-report
#10
H Alaoui, Y Aissaoui, M Zoubir, M Boughalem
Snakebites can be deadly, depending on the course of extremely serious hemorrhagic complications in the absence of antivenom, which remains the only specific and effective treatment, if it is introduced in time. We report the case of a young patient of 18 years, bitten by a snake and receiving only tradition care until admission to intensive care 3 days later, with advanced bleeding and inflammation; four vials of FAV-Africa antivenom were administered and resulted in dramatic improvement in his condition. This result confirms the empirical concept that delay in management should under no circumstances exclude the administration of antivenom...
February 1, 2018: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/29594003/snake-bite-in-third-trimester-of-pregnancy-with-systemic-envenomation-and-delivery-of-a-live-baby-in-a-low-resource-setting-a-case-report
#11
Adebayo A Adewole, Osadolor A Ugiagbe, Temitope G Onile, Gabriel A Joseph, Oluwamayowa D Kassim, Patricia F Medupin, Abiodun S Adeniran
Background: Snake bite in the third trimester of pregnancy with late presentation, systemic envenomation; disseminated intravascular coagulopathy and delivery of a live neonate is uncommon in a low resource setting. Case: We present a 22 year old unbooked Gravida 3 Para 1+ 1 1alive lentiviral positive woman at 32 weeks gestation with snake bite, leg swelling, vaginal bleeding and labour pains. At presentation, there were anemia, tachycardia, hypotension; a gravid uterus with a single fetus in longitudinal lie, cephalic presentation, regular fetal heart rate and cervical dilatation of 3 cm...
October 2017: Case Reports in Women's Health
https://www.readbyqxmd.com/read/29584906/capillary-leak-syndrome-in-daboia-russelii-bite-a-complication-associated-with-poor-outcome
#12
Pradip P Kendre, Manoj P Jose, Abraham M Varghese, Jaideep C Menon, Joseph K Joseph
Background: Capillary leak syndrome (CLS) has been previously observed as a complication of Daboia russelii bite but not clearly defined or studied in length. This observational case-control study evaluates the mortality along with associated clinical and laboratory features. Methods: Twenty-five patients who developed CLS were compared with 25 patients without CLS following Daboia russelii (Russell's viper) bite. Results: Development of CLS is associated with a significantly high risk of mortality; 11 (44%) patients with CLS died compared with 1 (4%) control (odds ratio 18...
February 1, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29572088/predictive-factors-for-death-after-snake-envenomation-in-myanmar
#13
Kyi-Phyu Aye, Vipa Thanachartwet, Chit Soe, Varunee Desakorn, Supat Chamnanchanunt, Duangjai Sahassananda, Thanom Supaporn, Visith Sitprija
INTRODUCTION: Factors predictive for death from snake envenomation vary between studies, possibly due to variation in host genetic factors and venom composition. This study aimed to evaluate predictive factors for death from snake envenomation in Myanmar. METHODS: A prospective study was performed among adult patients with snakebite admitted to tertiary hospitals in Yangon, Myanmar, from May 2015 to August 2016. Data including clinical variables and laboratory parameters, management, and outcomes were evaluated...
March 20, 2018: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/29567103/analysis-of-snake-venom-metalloproteinases-from-myanmar-russell-s-viper-transcriptome
#14
Khin Than Yee, Sissades Tongsima, Olga Vasieva, Chumpol Ngamphiw, Alisa Wilantho, Mark C Wilkinson, Poorichya Somparn, Trairak Pisitkun, Ponlapat Rojnuckarin
Snake venom metalloproteinases (SVMPs) are the key enzymes in Russell's viper (RV) venom which target all important components of haemostasis, such as clotting factors, platelets, endothelial cells and basement membrane. The structural diversity of SVMPs contributes to the broad spectrum of biological activities. The aim of the study was to investigate the SVMP transcript profile to gain better insights into the characteristic clinical manifestations of the Myanmar Russell's viper (MRV) bites that distinguish it from the RVs of other habitats...
March 19, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29560013/retracted-an-unusual-case-of-bilateral-vitreous-haemorrhage-following-snake-bite
#15
Case Reports In Medicine
[This retracts the article DOI: 10.1155/2013/640582.].
2018: Case Reports in Medicine
https://www.readbyqxmd.com/read/29551526/diversity-within-diversity-parasite-species-richness-in-poison-frogs-assessed-by-transcriptomics
#16
Juan C Santos, Rebecca D Tarvin, Lauren A O'Connell, David C Blackburn, Luis A Coloma
Symbionts (e.g., endoparasites and commensals) play an integral role in their host's ecology, yet in many cases their diversity is likely underestimated. Although endoparasites are traditionally characterized using morphology, sequences of conserved genes, and shotgun metagenomics, host transcriptomes constitute an underused resource to identify these organisms' diversity. By isolating non-host transcripts from host transcriptomes, individual host tissues can now simultaneously reveal their endoparasite species richness (i...
March 15, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29547237/snakebite-poisoning-in-spain
#17
Cristina Martín-Sierra, Santiago Nogué-Xarau, Miguel Ángel Pinillos Echeverría, José Miguel Rey Pecharromán
Emergencies due to snakebites, although unusual in Spain, are potentially serious. Of the 13 species native to the Iberian peninsula, only 5 are poisonous: 2 belong to the Colubridae family and 3 to the Viperidae family. Bites from these venemous snakes can be life-threatening, but the venomous species can be easily identified by attending to certain physical traits. Signs denoting poisoning from vipers, and the appropriate treatment to follow, have changed in recent years.
2018: Emergencias: Revista de la Sociedad Española de Medicina de Emergencias
https://www.readbyqxmd.com/read/29536463/-successful-treatment-of-a-necrotizing-multi-resistant-bacterial-pyoderma-in-a-python-with-cold-plasma-therapy
#18
Christoph Klinger, Berrett Dengler, Thomas Bauer, Ralf S Mueller
A 4-year-old ball python was presented 3 weeks after multiple bite wounds from a prey rat with large skin lesions, a concurrent deep bacterial pyoderma and clinical signs for septicemia, including neurolo -gical symptoms. Affected tissue separated from the underlying muscular layer revealing parts of the muscles. Clinical examination and cyto -logy was consistent with bacterial pyoderma; septicemia was an additional tentative clinical diagnosis. Empirical lincomycin and marbo -floxacin (bacterial culture revealed a multi-resistant Stenotrophomonas maltophilia susceptible to fluoroquinolones) treatment improved the patient's general condition but skin wounds deteriorated to multifocal eschars with intracellular rods...
February 2018: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/29490236/snakebites-as-cause-of-deaths-in-the-western-brazilian-amazon-why-and-who-dies-deaths-from-snakebites-in-the-amazon
#19
Anderson da Silva Souza, Jacqueline de Almeida Gonçalves Sachett, João Arthur Alcântara, Monique Freire, Maria das Graças Costa Alecrim, Marcus Lacerda, Luiz Carlos de Lima Ferreira, Hui Wen Fan, Vanderson de Souza Sampaio, Wuelton Marcelo Monteiro
Snake envenoming represents a major burden for public health worldwide. In the Amazon, the official number of cases and deaths detected is probably underestimated because of the difficulty riverine and indigenous populations have reaching health centers in order to receive medical assistance. Thus, integrated analysis of health information systems must be used in order to improve adequate health policies. The aim of this work is to describe a series of deaths and identify risk factors for lethality from snakebites in the state of Amazonas, Brazil...
April 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29462691/factor-x-activating-atractaspis-snake-venoms-and-the-relative-coagulotoxicity-neutralising-efficacy-of-african-antivenoms
#20
Brice Oulion, James S Dobson, Christina N Zdenek, Kevin Arbuckle, Callum Lister, Francisco C P Coimbra, Bianca Op den Brouw, Jordan Debono, Aymeric Rogalski, Aude Violette, Rudy Fourmy, Nathaniel Frank, Bryan G Fry
Atractaspis snake species are enigmatic in their natural history, and venom effects are correspondingly poorly described. Clinical reports are scarce but bites have been described as causing severe hypertension, profound local tissue damage leading to amputation, and deaths are on record. Clinical descriptions have largely concentrated upon tissue effects, and research efforts have focused upon the blood-pressure affecting sarafotoxins. However, coagulation disturbances suggestive of procoagulant functions have been reported in some clinical cases, yet this aspect has been uninvestigated...
May 15, 2018: Toxicology Letters
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