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Revista Brasileira de Anestesiologia

Print version ISSN 0034-7094On-line version ISSN 1806-907X


CRUVINEL, Marcos Guilherme Cunha et al. Tako-Tsubo syndrome secondary to residual neuromuscular blockade: case report. Rev. Bras. Anestesiol. [online]. 2008, vol.58, n.6, pp.623-630. ISSN 0034-7094.

BACKGROUND AND OBJECTIVES: Tako-Tsubo syndrome is a rare postoperative complication with a 5% mortality rate. The objective of this report was to present residual neuromuscular blockade as a trigger for this syndrome, discuss this disorder, and call attention to the risks of residual neuromuscular blockade. CASE REPORT: A 61-year old female, physical status ASA I, who underwent general anesthesia associated with paravertebral cervical block for arthroscopic repair of a rotator cuff lesion. Physical exam after extubation detected residual neuromuscular blockade. In the post-anesthetic care unit the patient developed somnolence, tachycardia, hypertension, and severe respiratory acidosis. After reintubation the patient evolved for cardiac arrest with electrical activity without a pulse, which was reverted with the administration of adrenaline and external cardiac massage. In the postoperative period the patient presented elevation of the ST segment, increased troponin, and left ventricular medial-apical akinesia with an estimated ejection fraction of 30%. Cardiac catheterization showed absence of significant atheromatous lesions in the coronary vessels, and severe disruption of the systolic function with inferior and antero-septo-apical akinesia and compensatory basal hypercontractility. The patient had complete functional recovery with the treatment instituted. CONCLUSIONS: Residual neuromuscular blockade associated with diaphragmatic paralysis and possible pulmonary atelectasis leading to respiratory failure, hypercapnia, and adrenergic discharge triggered the Tako-Tsubo syndrome with severe clinical repercussion.

Keywords : COMPLICATIONS [Residual neuromuscular blockade]; COMPLICATIONS [Tako-Tsubo syndrome].

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