A fatal adverse effect of cefazolin administration: severe brain edema in a patient with multiple meningiomas

We present a rare case of fatal cefazolin hypersensitivity in a female who was diagnosed with multiple meningiomas and scheduled for craniotomy and tumor removal. Immediately after cefazolin IV administration, the patient developed acute hypertensive crisis, which resolved within 10 minutes after the treatment. This was followed by unexplained metabolic acidosis. The patient then developed severe brain edema 100 minutes later. The patient had facial edema when her face was exposed for the next 30 minutes. A computed tomography scan revealed global brain edema with herniation. She was admitted to the intensive care unit for symptomatic treatment and died 10 days after surgery from multiorgan failure. The serum IgE level was very high (734 IU/mL). Single-dose administration of cefazolin for surgical prophylaxis may lead to rare, fatal adverse reaction. The warning signs are sudden, unexplained metabolic acidosis, hypertensive crisis, tachycardia, and facial angioedema predominating with or without cutaneous symptoms like urticaria. Keywords: cefazolin, adverse effect, drug hypersensitivity, brain edema, hypertension
Source: Drug, Healthcare and Patient Safety - Category: Drugs & Pharmacology Tags: Drug, Healthcare and Patient Safety Source Type: research

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In this study, 5% w/v SMP dispersion was acidified to pH 2.4–3.0 using citric acid and heated at different conditions. Lowering pH resulted in dissolution of colloidal calcium phosphate from casein micelles, corresponding to lowered turbidity and reduced hydrodynamic diameter of dispersions. When heated for 10 min at different temperatures, 70 °C was the most effective to produce transparent dispersions; whereas a shorter heating time between 2 and 60 min was desired at 90 °C. The decreased turbidity after heating was attributed to weakened hydrophobic interaction between casein molecules based on f...
Source: Food Hydrocolloids - Category: Food Science Source Type: research
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Source: Korean Journal of Radiology - Category: Radiology Tags: Korean J Radiol Source Type: research
Publication date: Available online 13 October 2019Source: Journal of Molecular LiquidsAuthor(s): Hany M.Abd El-Lateef, Zeinab A. Abdallah, Mohamed S.Mohamed AhmedAbstractEthyl 2-(1,2,3,6-tetrahydro-6-oxo-2-thioxopyrimidin-4-yl)ethanoate (EOTPE) was synthesized by a facile and cost-effective method. The structure confirmation of the synthesized EOTPE was performed by different spectroscopic methods. The corrosion inhibition action of EOTPE in pickling acids (1.0 N HCl and1.0 N H2SO4) at different temperatures (30–60 °C) was tested by various surface and corrosion methods, including open circuit potential (...
Source: Journal of Molecular Liquids - Category: Molecular Biology Source Type: research
Publication date: November 2019Source: Fish &Shellfish Immunology, Volume 94Author(s): Elumalai Preetham, Abdul Salam Rubeena, Baskaralingam Vaseeharan, Mukesh Kumar Chaurasia, Jesu Arockiaraj, Rolf Erik OlsenAbstractThe study is carried out to understand the antimicrobial and immunological response of a potential immune molecule lectin, MmLec isolated from haemolymph of Speckled shrimp, Metapenaeus monoceros. MmLec was purified using mannose coupled Sepharose CL-4B affinity chromatography, which was further subjected on SDS-PAGE to ascertain the distribution of their molecular weight. Sugar binding specificity assay w...
Source: Fish and Shellfish Immunology - Category: Biology Source Type: research
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Source: Journal of Circadian Rhythms - Category: Biology Source Type: research
Publication date: Available online 13 October 2019Source: Sensors and Actuators B: ChemicalAuthor(s): Zakie Anajafi, Mahmoud Naseri, G. NeriAbstractIn this paper, the synthesis, characterization and sensing properties of SmFeO3/ZnO nanocomposite synthesized by the thermal treatment method, is reported. The morphological and microstructural characteristics of the synthesized composite nanopowders and single SmFeO3 and ZnO components, were analyzed by Scanning Electron Microscopy-Electron Dispersive X-ray (SEM-EDX), X-ray diffraction (XRD), Fourier Transform-Infrared (FT-IR) spectroscopy and Photoluminscence (PL). Characteri...
Source: Sensors and Actuators B: Chemical - Category: Chemistry Source Type: research
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Source: Sensors and Actuators B: Chemical - Category: Chemistry Source Type: research
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Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Category: Chemistry Source Type: research
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Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Category: Chemistry Source Type: research
Publication date: Available online 14 October 2019Source: Chinese Chemical LettersAuthor(s): Minghao Wu, Qing Chen, Yingdi Wang, Yulei Li, Xia Zhao, Qi ChangAbstractHYL derived from the venom of the solitary bee Hylaeus signatus (Hymenoptera: Colletidae) is an α-helical antimicrobial peptide with 16 residues. To explore whether HYL can be applied in anti-tumor therapy, we synthesized HYL and further modified its structure by using a solid-phase synthesis method, and then evaluated their antitumor activities. Firstly, we identified the key residues of HYL by alanine scanning strategy, and then a series of stapled pept...
Source: Chinese Chemical Letters - Category: Chemistry Source Type: research
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