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Bilateral vocal cord palsy after total thyroidectomy-A new treatment-Case reports
Fong-Fu Chou1, Cheng-Ming Hsu2, Chi-Chih Lai2
1Department of Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung Taiwan 123,Ta-Pei Road, Niao-Sung, Kaohsiung 833, Taiwan.
Introduction:
Dyspnea due to bilateral vocal cord palsy after total thyroidectomy (BVCPATT) is a life-threatening complication; nevertheless, we try to avoid tracheotomy.
Methods:
Using normalized glottal area (NGA), we retrospectively studied 14 patients with BVCPATT. Nine patients without dyspnea were treated conservatively, while five with dyspnea received immediate bilevel positive air-way pressure (BiPAP) treatment. Both right and left recurrent nerves were grossly intact during surgery.
Results:
The mean NGA during inspiration of five patients with dyspnea was less than that of nine patients without (6.21±1.57 (mean±standard deviation) vs. 20.5±9.5; p=0.001). The mean age of patients with dyspnea was more than that of patients without (61.6±15.6 vs. 38±10.2; p=0.007). Five patients with dyspnea that occurred at 0-8days post operation recovered within 3-17days after BiPAP.
Conclusion:
Dyspnea occurred in patients with BVCPATT who were relatively older. The mean NGA during inspiration in patients with dyspnea was less than that in patients without. BiPAP might be a new treatment for dyspnea.
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