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  • Title: Acute organophosphate poisoning: 17 years of experience of the National Poison Control Center in Serbia.
    Author: Slavica V, Dubravko B, Milan J.
    Journal: Toxicology; 2018 Nov 01; 409():73-79. PubMed ID: 30055297.
    Abstract:
    UNLABELLED: Based on human toxicity studies, by appropriate regulatory decisions, the number of organophosphates (OP) on Serbian market has reduced significantly over the last two decades, followed by a gradual decrease in the number of poisonings by organophoshates, treated at the National Poison Control Centre (NPCC). METHODOLOGY: The aim of this retrospective study is to present data regarding the clinical management of poisoning with OP pesticides at the NPCC, that we collected during the 17 years period (1998-2014). RESULTS: In the period 1998-2014, about 17.250 patients were hospitalized at the NPCC, there were around 14.000 patients treated for poisoning by various toxic agents, and among them 410 cases (3%) due to poisoning with OP pesticides. In this period, 92% of OPI poisonings treated in the NPCC were suicidal by intention, while only 8% were due to accidental ingestion or inhalation. The most common clinical signs of poisoning in patients exposed to anticholinesterase pesticides, observed at Clinic of Toxicology of the NPCC were miosis (63.4%), bronchorrhoea (51.9%), vomiting and diarrhea (44.8%), hypotension (19.5%). Acute respiratory insufficiency was registered in 81 (19.7%) and acute cardiocirculatory failure in 16 (3.9%) patients. There were about 25% of most severely poisoned patients. Besides general supportive measures (decontamination, respiratory support), specific pharmacological treatment (atropine, oxime, diazepam) was applied. The highest total administered dose of atropine at NPCC was 6400 mg. However, the most patients received total doses of atropine up to 500 mg (32%). CONCLUSION: Acute poisoning with OP pesticides is not frequent in Serbia, however, it represents important clinical feature due to severity, possible complications and their impact on duration and costs of hospitalization. Initial treatment involves prevention of further absorption and provision of supportive care, followed by administration of specific antidotes. According to its role, the National Poison Control Centre in Belgrade, in addition to treatment of acute poisonings, continuously performs toxicovigilance, i.e. the identification, investigation and evaluation of various toxic risks in the community in order to undertake adequate and timely procedures. Permanent efforts are being made in order to reduce availability and to improve control measures for pesticides marketing.
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