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664. Syndromes of thrombotic microangiopathy.
This review article covers the diverse pathophysiological pathways that can lead to microangiopathic hemolytic anemia and a procoagulant state with or without damage to the kidneys and other organs.
665. Clinical practice: Obsessive-compulsive disorder.
A 19-year-old man is brought to his primary physician by his father, who explains that his son washes his hands a hundred times a day, will not touch anything that has been touched by someone else without scrubbing it first, and has a fear of germs that has left him isolated in his bedroom, unable to eat, and wishing he were dead. Although the father reports that his son has always been finicky, this problem started approximately 2 years ago and has gradually become completely disabling. How should this patient be evaluated and treated?
671. Mold infections of the central nervous system.
作者: Matthew McCarthy.;Axel Rosengart.;Audrey N Schuetz.;Dimitrios P Kontoyiannis.;Thomas J Walsh.
来源: N Engl J Med. 2014年371卷2期150-60页
The recent outbreak of exserohilum rostratum meningitis linked to epidural injections of methylprednisolone acetate has brought renewed attention to mold infections of the central nervous system (CNS). Although uncommon, these infections are often devastating and difficult to treat. This focused review of the epidemiologic aspects, clinical characteristics, and treatment of mold infections of the CNS covers a group of common pathogens: aspergillus, fusarium, and scedosporium species, molds in the order Mucorales, and dematiaceous molds. Infections caused by these pathogen groups have distinctive epidemiologic profiles, clinical manifestations, microbiologic characteristics, and therapeutic implications, all of which clinicians should understand.
673. Clinical practice. Giant-cell arteritis and polymyalgia rheumatica.
A 79-year-old woman presents with new-onset pain in her neck and both shoulders. She takes 7.5 mg of prednisone per day for giant-cell arteritis. Occipital tenderness and diplopia developed 11 months before presentation. At that time, her erythrocyte sedimentation rate was elevated, at 78 mm per hour, and a temporal-artery biopsy revealed granulomatous arteritis. The diplopia resolved after 6 days of treatment with 60 mg of prednisone daily. Neither headache nor visual symptoms developed when the glucocorticoids were tapered. How should this patient’s care be managed?
677. Videos in clinical medicine. Insertion of an intraosseous needle in adults.
Intraosseous needle insertion is used as a temporary measure when intravascular access cannot be achieved through peripheral or central venous routes. The intraosseous needle may remain in situ for 72 to 96 hours, but it is best removed within 6 to 12 hours, as soon as an alternative site of intravascular access has been established. The intraosseous route provides fast and reliable vascular access in emergency medical situations. The use of the appropriate technique will ensure that the procedure is performed as safely and effectively as possible.
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