Clinical manifestations and treatment management of hospitalized patients with zinc phosphide poisoning, Mazandaran Province, Northern Iran

Ghasempouri, Seyed Khosro; Zakariaei, Zakaria; Hoseininejad, Seyed Mohammad; Chinian, Fatemeh; Soleymanii, Mostafa; Pashaei, Seyedeh Masoumeh; Sadeghi, Mahdieh

doi:10.1186/s12873-022-00661-1

Cited by 2 publications

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“…The general treatment principles include supportive management. 55 Although most deceased were from patients poisoned with rodenticides, the mortality according to the type of pesticide was higher among patients poisoned with herbicides, so that 23.3% of patients died. Paraquat poisoning was the most common herbicide poisoning in our center with high mortality.…”

Section: Discussionmentioning

confidence: 98%

Acute pesticide poisoning in the central part of Iran: A 4-year cross-sectional study

et al. 2023

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Objectives: Intoxication with pesticides is a well-known public health problem. We aimed to describe the demographic and toxico-clinical characteristics and outcomes of patients with pesticide poisoning. Methods: This retrospective cross-sectional study was performed in Khorshid Hospital affiliated with Isfahan University of Medical Sciences, Isfahan, Iran. All patients with pesticide poisoning (insecticides, herbicides, fungicides, rodenticides, and acaricides) were evaluated. The patients’ demographic, toxicological, clinical, and laboratory findings from March 2016 until March 2021 were collected and analyzed. Results: During the study period, 25,659 patients with acute poisoning were admitted, of which, 1567 (6.1% of the total poisoning) with pesticide poisoning were included. The mean ± SD age of the patients was 31.34 ± 13.7 years and 55.3% were men (male/female ratio = 1.23). In approximately 75% of the patients, poisoning occurred by suicidal attempts, while in 14.3% ( n = 224), it was accidental. Insecticides caused about 51.30% of the poisonings. However, rodenticides were most commonly used in completed suicide attempts (79.9%). The frequency of previously attempted suicide, and self-harming was different among the patients with respect to the type of pesticide poisoning ( p < 0.05). Previous suicidal attempts (35.3%) and self-harming (17.3%) were reported more in patients poisoned with the combination of pesticides. Half of the patients were employed. Nausea and vomiting (56.7%, n = 889) were the most common clinical manifestations; 8.3% ( n = 130) of the patients died, 64 of whom had rodenticide poisoning. Conclusion: The prevalence of pesticide poisoning was relatively low; most were insecticide poisoning. Poisoning occurred most through attempted suicide. Rodenticides and herbicides had higher mortality rates than other pesticides. Patients with previously attempted suicide and self-harming behavior may use a combination of pesticides.

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Section: Discussionmentioning

confidence: 98%

Acute pesticide poisoning in the central part of Iran: A 4-year cross-sectional study

et al. 2023

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Novel triazole derivatives as potential rodenticides against the Norway rat, R. norvegicus: histology, biochemical alternations, and field application

et al. 2023

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Economically speaking, rodents possess a serious threat to the agriculture sector. One of these organisms that directly threaten agriculture, stocks, and others is the Norway rat, Rattus norvegicus (R. norvegicus). The 2-cyano-N-(1H-1,2,4-triazol-3-yl) acetamide (1) was used as a precursor to give 2-cyano-3-(dimethylamino)-N-(1H-1,2,4-triazol-3-yl) acrylamide (2) and ethyl 2-amino-5-cyano-1,6-dihydro-6-oxo-1-(1H-1,2,4-triazol-3-yl) pyridine-3-carboxylate (3). Infra-red, 1H-NMR, 13C-NMR, MS, and elemental analysis were done for the precise structure elucidation of the applied synthons. The prepared compounds were tested as potential rodenticides against the Norway rat, Rattus norvegicus. Toxicity analysis using four serial doses of both prepared compounds revealed that the LD50 values were 160.6 and 391.7 mg/kg body weight, for ethyl 2-amino-5-cyano-1,6-dihydro-6-oxo-1-(1H-1,2,4-triazol-3-yl) pyridine-3-carboxylate (3) and 2-cyano-N-(1H-1,2,4-triazol-3-yl) acetamide (1), respectively. Several biological variables, such as alanine transaminase (ALT), aspartate transaminase (AST), serum urea, creatinine, and total protein, have been assessed and evaluated as biological response indicators. Analysis revealed a highly significant increase in both AST, ALT, urea, and creatinine levels, while the total protein level showed a considerable reduction in treated rats exposed to 2-cyano-N-(1H-1,2,4-triazol-3-yl) acetamide (1) and ethyl 2-amino-5-cyano-1,6-dihydro-6-oxo-1-(1H-1,2,4-triazol-3-yl) pyridine-3-carboxylate (3) when compared to the control treatment. Liver histological examination showed structural changes in the form of congestion in the central vein, necrosis in some hepatic regions, and pyknotic nuclei, while kidney histological examination showed vacuolar degeneration of the epithelial cells of some convoluted tubules and the disappearance of some glomeruli and other marked atrophies. Necrosis in some areas was noticed. Field application through bait consumption took place with a satisfactory reduction of 68.4% for ethyl 2-amino-5-cyano-1,6-dihydro-6-oxo-1-(1H-1,2,4-triazol-3-yl) pyridine-3-carboxylate (3), while it was 61.9% for 2-cyano-N-(1H-1,2,4-triazol-3-yl) acetamide (1) when compared to the recommended Zinc phosphide commercial rodenticide that poses an 81% reduction. Graphic abstract

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Clinical manifestations and treatment management of hospitalized patients with zinc phosphide poisoning, Mazandaran Province, Northern Iran

Cited by 2 publications

References 9 publications

Acute pesticide poisoning in the central part of Iran: A 4-year cross-sectional study

Acute pesticide poisoning in the central part of Iran: A 4-year cross-sectional study

Novel triazole derivatives as potential rodenticides against the Norway rat, R. norvegicus: histology, biochemical alternations, and field application

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