Greenish-blue discoloration of the brain and heart after treatment with methylene blue

Durão, Carlos; Pedrosa, Frederico; Dinis-Oliveira, Ricardo Jorge

doi:10.1007/s12024-020-00316-2

Cited by 8 publications

(1 citation statement)

References 25 publications

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“…The effects of a high dose of MB on renal and mesenteric blood flow increase vascular resistance and deteriorate gas exchange. It also causes self-limiting greenish-blue urine and a bluish area of skin and mucosa [23].…”

Section: Health Impact Of Mbmentioning

confidence: 99%

Recent and Emerging Trends in Remediation of Methylene Blue Dye from Wastewater by Using Zinc Oxide Nanoparticles

Modi¹,

Yadav

Gacem

et al. 2022

Water

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Due to the increased demand for clothes by the growing population, the dye-based sectors have seen fast growth in the recent decade. Among all the dyes, methylene blue dye is the most commonly used in textiles, resulting in dye effluent contamination. It is carcinogenic, which raises the stakes for the environment. The numerous sources of methylene blue dye and their effective treatment procedures are addressed in the current review. Even among nanoparticles, photocatalytic materials, such as TiO2, ZnO, and Fe3O4, have shown greater potential for photocatalytic methylene blue degradation. Such nano-sized metal oxides are the most ideal materials for the removal of water pollutants, as these materials are related to the qualities of flexibility, simplicity, efficiency, versatility, and high surface reactivity. The use of nanoparticles generated from waste materials to remediate methylene blue is highlighted in the present review.

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Section: Health Impact Of Mbmentioning

confidence: 99%

Recent and Emerging Trends in Remediation of Methylene Blue Dye from Wastewater by Using Zinc Oxide Nanoparticles

Modi¹,

Yadav

Gacem

et al. 2022

Water

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Fifty shades of green and blue: autopsy findings after administration of xenobiotics

Baumgarten,

Greb,

Holz

et al. 2024

Forensic Sci Med Pathol

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Unusual findings during an autopsy may come from peculiarities in the position, shape, size, weight, consistency, smell or color of organs. The following study was triggered by an autopsy case in which an unusual blue-green discoloration of organs, which changed during the autopsy, was noticed. A review of the local autopsy database, selected cases including the antemortem clinical documentation and the literature has been performed to clarify the etiology of these conspicuous discolorations and to evaluate their diagnostic value. The study showed that certain xenobiotics may lead to such discoloration. After systemic administration of methylene blue, darkening blue-green discoloration of organs, especially the brain and heart, can be observed. In addition, the systemic administration of toluidine blue also appears to be capable of causing such discoloration. Beyond that, drugs (like Rohypnol®) or other foreign substances (like detergents) containing warning colors, i.e. indigocarmin (E132) or Brilliant Blue FCF (E133) may cause discolorations of the upper gastrointestinal tract or the urinary bladder respectively. A blue-green, possibly darkening discoloration of organs during autopsy may point towards an antemortem administration of certain xenobiotics. The affected organs give an indication of the possible route of application and the type of substance. A differentiated interpretation of the etiology of such conspicuous discolorations at autopsy should only be made considering the (medical) history and, if necessary, complementary (toxicological) examinations.

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Multiple drugs

2021

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Greenish-blue discoloration of the brain and heart after treatment with methylene blue

Cited by 8 publications

References 25 publications

Recent and Emerging Trends in Remediation of Methylene Blue Dye from Wastewater by Using Zinc Oxide Nanoparticles

Recent and Emerging Trends in Remediation of Methylene Blue Dye from Wastewater by Using Zinc Oxide Nanoparticles

Fifty shades of green and blue: autopsy findings after administration of xenobiotics

Multiple drugs

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