General anesthesia with a transcutaneous pacemaker for a Noonan syndrome patient with advanced atrioventricular block discovered in the remote period after open-heart surgery: a case report
Emi Ishikawa, Makiko Shibuya, Ayako Yokoyama, Takayuki Hojo, Yukifumi Kimura, Toshiaki Fujisawa,
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( Emi Ishikawa ) -
( Makiko Shibuya ) -
( Ayako Yokoyama ) -
( Takayuki Hojo ) -
( Yukifumi Kimura ) -
( Toshiaki Fujisawa ) -
Abstract
We provided general anesthesia management to a patient with advanced atrioventricular block, which was discovered in the remote period after open-heart surgery. A 21-year-old man with Noonan syndrome was scheduled to undergo excision of a median intramandibular tumor. At 2 months of age, the patient underwent endocardial repair for congenital heart disease. During our preoperative examination, an atrioventricular block was detected, which had not been previously noted. Emergency drugs were administered, and a transcutaneous pacemaker was placed. During anesthesia induction, mask ventilation was easy, and intubation was performed smoothly using a video laryngoscope. The transcutaneous pacemaker was activated in demand mode at a pacing rate of 50 cycles/min approximately throughout the anesthesia time, and the hemodynamic status remained stable. The effect of intraoperatively administered atropine was brief, lasting only a few seconds. Although body movements due to thoracoabdominal muscle spasm were observed during pacemaker activation, they did not interfere with surgery. In postoperative patients with congenital heart disease, an atrioventricular block may be identified in the remote period, and preoperative evaluation should be based on this possibility. In addition, during anesthesia management, it is important to prepare multiple measures to maintain hemodynamic status.
키워드
Anesthesia; General; Atrioventricular Block; Case Reports; Noonan Syndrome; Pacemaker; Artificial
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