THE JOURNAL OF THE TOKYO DENTAL COLLEGE SOCIETY

Vol. 108 No. 6      December 2008

ISSN: 0037-3710      UBIC: 342-J

ABSTRACT

Hyperkalemic periodic paralysis (HPP) is a rare disease which causes the paroxysmal atonic paralysis of the muscles of the limbs and trunk. Pain, hunger, and tiredness have been reported to trigger attacks, and it is very likely to occur during an operation under general anesthesia. We report a case of perioperative management of orthognathic surgery in a patient with HPP. The patient was a 27-year-old man scheduled to undergo orthodontic treatment followed by orthognathic surgery due to a diagnosis of jaw defomity 2 years earlier. Orthognathic surgery was scheduled at another department of oral and maxillofacial surgery. However, he was referred to our general hospital for management of HPP perioperatively. After consultation with other departments, he underwent bilateral sagittal splitting ramus osteotomy under general anesthesia. After the operation, we tried to alleviate pain and hunger. The postoperative course was uneventful. In order to prevent an HPP attack, we believe it is important to discuss how to manage such patients with the physicians concerned. Moreover, it is also necessary to acquire knowledge of generalized disease and how to deal with it. (The Shikwa Gakuho, 108 : 637-643, 2008) Key words: Hyperkalemic periodic paralysis, Orthognathic surgery, Perioperative management

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