{"title":"A Case Report of an Incidental Ultrasound Finding in a Suspected Malignant Hyperthermia Patient.","authors":"Pei-Han Fu, Chun-Ning Ho","doi":"10.1213/XAA.0000000000001651","DOIUrl":null,"url":null,"abstract":"<p><p>Malignant hyperthermia (MH) is a rare but life-threatening genetic disorder of the skeletal muscles triggered by inhalation anesthetics or succinylcholine. A 49-year-old female developed symptoms of MH shortly after a lumbar surgery. Despite being insidious, MH was diagnosed based on the clinical grading scale. We incidentally discovered fine fasciculations in extremities while inserting an ultrasound-guided arterial catheter. On receiving dantrolene, her symptoms improved within 20 minutes; a subsequent ultrasound revealed no fasciculations. Although halothane contracture testing was not available, the fasciculations that resolved with dantrolene administration in a MH suspected patient opens up a new potential avenue of diagnostics.</p>","PeriodicalId":7307,"journal":{"name":"A&A Practice","volume":"16 12","pages":"e01651"},"PeriodicalIF":0.5000,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"A&A Practice","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1213/XAA.0000000000001651","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Malignant hyperthermia (MH) is a rare but life-threatening genetic disorder of the skeletal muscles triggered by inhalation anesthetics or succinylcholine. A 49-year-old female developed symptoms of MH shortly after a lumbar surgery. Despite being insidious, MH was diagnosed based on the clinical grading scale. We incidentally discovered fine fasciculations in extremities while inserting an ultrasound-guided arterial catheter. On receiving dantrolene, her symptoms improved within 20 minutes; a subsequent ultrasound revealed no fasciculations. Although halothane contracture testing was not available, the fasciculations that resolved with dantrolene administration in a MH suspected patient opens up a new potential avenue of diagnostics.
期刊介绍：
A & A Case Reports, our new online journal publishing Case Reports, related Editorial Commentary, and Correspondence. Anesthesia & Analgesia 1 and Anesthesiology 2 recently announced that they were suspending publication of Case Reports. One reason is that Case Reports typically reduce the Impact Factor of a journal because they are rarely cited. Regardless of the merits of Impact Factor as a metric of journal worth, journals and their editors necessarily consider Impact Factor in strategic planning. At the same time, Case Reports are appreciated by readers for describing “real life” management of difficult or unusual cases not often encountered by practitioners. In a recent issue of Anesthesia & Analgesia, Steven Shafer1 identified many Case Reports whose publication launched productive careers dedicated to solving the puzzle posed by an unusual observation in a single patient.
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