ボツリズムB型における目の発見
JAMA
|February 2, 1979
まとめ
1977年のアウトブレイクでは,ボツリズム (食中毒) を診断するための重要な指標が明らかになりました. 第3頭蓋骨神経機能障害の特定の徴候は,この重症疾患に罹患している患者の呼吸不全を予測した.
科学分野:
- 臨床神経学 臨床神経学
- 感染症 感染症は感染症です.
- 公衆衛生は公衆衛生である.
背景:
- ボトリズムは,クロストリジウムボトリヌム菌が産生する毒素によって引き起こされる希少だが深刻な麻痺性疾患である.
- 共通発生源のアウトブレイクは,稀であるが,公衆衛生上の重大な課題を提起する.
- 早期で正確な診断は,適切な介入と管理に不可欠です.
研究 の 目的:
- 大規模なアウトブレイク環境におけるボツリズムを示す臨床的徴候および症状を特定する.
- 特定の神経学的発見が呼吸器不全の発達を予測できるかどうかを判断する.
主な方法:
- 1977年のアウトブレイクからの患者履歴と臨床検査の遡及的分析.
- 徴候と症状が病気の進行と相関し,機械呼吸器の必要性を含む.
主要な成果:
- B型ボツリズムの発生源が共通で,59人が感染しました.
- 症状と眼の発見の明確な星座は,ボツリズムを強く示唆しました.
- 3番目の頭蓋骨神経の機能障害は,その後の呼吸器不全の信頼できる予測指標でした.
結論:
- 臨床医は,特徴的な徴候や症状,特に眼性麻痺を呈すると,差別診断においてボツリズムを考慮すべきである.
- 第三頭蓋骨神経の麻痺は,ボツリズム患者における呼吸不全を予測し,管理するための重要な指標です.
関連する概念動画
Glaucoma: Overview
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
Muscles of the Eye
The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
Bacterial Meningitis
Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
Botulism
Botulism is a life-threatening neuroparalytic condition caused by botulinum neurotoxin, which is produced by the bacterium Clostridium botulinum, a Gram-positive, spore-forming, obligate anaerobe.In adults, the toxin enters the body in different ways: in foodborne botulism, the preformed toxin is absorbed in the intestine. In wound botulism, spores grow in injured tissue and release the toxin into the blood. Infant botulism differs mechanistically from adult forms. In infants, botulism commonly...
Bacterial Meningitis II: Pathophysiology
Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...


