Faculty of Medicine

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    The role of rapid chromatographic immunoassay tests in acute poisoning: two case reports and literature overview
    (Edizioni Minerva Medica, 2026-03-22)
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    This report through the presentation of two case studies highlights the common problem with false-positive urine drug screen faced by many physicians to the emergency and toxicology departments. Case 1: a 29-year-old male patient was admitted after acute poisoning with analgesics/antipyretics (Caffetin Cold, Caffetin); diazepam; amlopin. Case 2: a 56-year-old female patient was admitted with impaired consciousness. According to the data obtained from the patient’s family they suspected that she took the following drugs: Zanfexa, Zalasta and Diazepam. A rapid chromatographic immunoassay urine test was performed in both patients for the following substances: opiates, amphetamines, metamphetamine, MDMA (3,4-methylenedioxymethamphetamine), oxycodone, phencyclidine, cocaine, methadone, barbiturates, cannabinoids, benzodiazepines, tricyclic antidepressants, and tramadol. Case 1 was positive for opiates, benzodiazepines and amphetamines. Gas chromatography mass spectrometry and high-performance liquid chromatography were used and confirmed the presence of caffeine, codeine, paracetamol, propyphenazone, pseudoephedrine, dextromethorphan, nordazepam, ramipril and amlodipine in urine sample. Case 2 was positive for tramadol and benzodiazepines. Gas chromatography mass spectrometry was used and confirmed the presence of venlafaxine, its metabolites and nordazepam in serum and urine samples. If a false-positive urine screen result is suspected, nonimmunologic techniques, such as gas chromatography/mass spectrometry or high-performance liquid chromatography, are necessary for confirmation.
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    Late emergence of myasthenia gravis complicating envenoming by Vipera ammodytes
    (Elsevier BV, 2026-10-01)
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    Kostadinovski, Kristin
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    Acute severe poisoning with disinfectant in senior aged patient-case report and overview of literature considering age influence on treatment decision in alcohol-based intoxications
    (2021)
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    Berat-Huseini, Afrodita
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    We present our experiences in the first case of severe suicidal poisoning with 70% ethanol-disinfectant in North Macedonia, in an elderly patient with immunocompromising comorbidities. A 66-year-old unconscious woman was admitted at our clinic, with a history of seropositive rheumatoid arthritis treated with methotrexate. She was in a coma, without signs of serotonin syndrome, recurrent episodes of cardio-respiratory insufficiency under supportive treatment without invasive ventilation, metabolic acidosis, increased D-dimer 3254 ng/mL. The toxicology screening confirmed low benzodiazepines levels and alcoholaemia of 526 mg/dL (5.26 g/L), due to ingestion of 70% ethanol. Considering the decreased biotransformation in the elderly, immunocompromising comorbidities, reports of fatal outcome in poisoned elderly patients with disinfectants under standard fluids supportive protocol, haemodialysis was initiated, with registered associated hypercoagulability which resulted in complete stabilization after 48 h of admission. Treatment protocols of poisoning with ethanol-based disinfectant in the elderly should consider timely performing haemodialysis at lower alcoholaemia levels than recommended.
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    Neurotoxicity and Renal Impairment in a Patient with Acute Poisoning with Antipsychotic Drugs-Literature Review
    (2021-05)
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    Kostadinovski, Kristin
    Neuroleptic malignant syndrome is a rare, severe and potentially fatal condition characterized by hyperthermia, muscle rigidity, changes in mental status (delirium, altered consciousness). There are many risk factors responsible for development of this syndrome such as the use of high-dose, high-potency and long-acting antipsychotic drugs, rapid increase in the dosage, using multiple antipsychotic drugs or other medications like antidepressants and mood stabilizers, especially lithium. A correlation between chronic kidney diesease and sudden lithium intoxication has been postulated, but the relationship between both remains unclear. We present here a case with neurotoxicity, rhabdomyolysis, renal impairment and hyperparathyroidism caused by acute poisoning with lithium, haloperidol, diazepam. The purpose of this case report is to increase awareness and vigilance of the fact that concurrent use of multiple antipsychotic and other drugs may cause multiple organ failures.
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    Cardiovascular toxicity in acute tricyclic antidepressant (Amitriptyline) overdose
    (Elsevier BV, 2006-09)
    Pavlovski, Branimir
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    Becarovski, Niko
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    Melovska, Letka
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    Popovski, Nestor
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    Influence of Duration of Heroin Dependence on Humoral Immunologic Indicators
    (American Society of Addiction Medicine, 2016-11)
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    Zafirova-ivanovska, Beti
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    Babulovska, Aleksandra
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    Zanina Pereska
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    Irena Jurukov
    Objective: The incidence of autoantibodies may be associated with the duration of drug use. In this study, we assessed the association between the duration of heroin dependence and various humoral immunologic indicators, including IgA, IgG, IgM, complement component 3, complement component 4, rheumatoid factor, anti￾b2-glycoprotein 1 (IgA, IgG, IgM), antinuclear antibody, circulating immune complexes, and cryoglobulins. Methods: A total of 363 patients with heroin dependence were enrolled in this cross-sectional and prospective study over a 3.5- year period. Depending on the duration of heroin use, participants were divided into 3 groups: up to 3 years, 4 to 7 years, and more than 7 years of heroin dependence. All patients were analyzed for the indicators. Results: There was a significant difference between the duration of heroin dependence and increased concentration of IgA (P ¼ 0.0000), IgG (P ¼ 0.0000), IgM (P ¼ 0.0001), complement component 3 (P ¼ 0.042), rheumatoid factor (P ¼ 0.0001), anti-b2-glycoprotein 1 (IgA, P ¼ 0.0098; IgG, P ¼ 0.0000; IgM, P ¼ 0.0000), the presence of antinuclear antibody (P ¼ 0.01) and cryoglobulins (P ¼ 0.0000), and decreased concentration of complement component 4 (P ¼ 0.002). There was no significant difference in circulating immune complex concentration (P ¼ 0.097). Conclusions: A longer duration of heroin dependence was associ￾ated with increased concentrations of IgA, IgG, IgM, complement component 3, rheumatoid factor, anti-b2-glycoprotein 1 (IgA, IgG, IgM), presence of antinuclear antibodies and cryoglobulins, and decreased concentrations of complement component 4, but there was no influence on circulating immune complex values