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Analysis of the incidence and factors predictive of inadvertent parathyroidectomy during thyroid surgery

Published online by Cambridge University Press:  10 June 2016

R W A Hone ,
T Tikka ,
A I Kaleva ,
A Hoey ,
V Alexander ,
A Balfour  and
I J Nixon
R W A Hone*
Affiliation:
Ear, Nose and Throat Department, William Harvey Hospital, Ashford, UK
T Tikka
Affiliation:
Ear, Nose and Throat Department, Heart of England NHS Foundation Trust, Birmingham, UK
A I Kaleva
Affiliation:
Ear, Nose and Throat Department, William Harvey Hospital, Ashford, UK
A Hoey
Affiliation:
Ear, Nose and Throat Department, William Harvey Hospital, Ashford, UK
V Alexander
Affiliation:
Ear, Nose and Throat Department, William Harvey Hospital, Ashford, UK
A Balfour
Affiliation:
Ear, Nose and Throat Department, William Harvey Hospital, Ashford, UK
I J Nixon
Affiliation:
Ear, Nose and Throat Department, William Harvey Hospital, Ashford, UK
*
Address for correspondence: Mr R W A Hone, Ear, Nose and Throat Department, William Harvey Hospital, Head & Neck Directorate, Kennington Road, Willesborough, Ashford, Kent TN24 0LZ, UK E-mail: rwahone@doctors.org.uk
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Abstract

Background:

Inadvertent (or incidental) parathyroidectomy can occur during thyroidectomy. However, the factors associated with inadvertent parathyroidectomy remain unclear. This study aimed to report the rate of inadvertent parathyroidectomy during thyroidectomy and associated risk factors.

Methods:

Variables including fine needle aspiration cytology findings, age, sex, thyroid weight, concurrent neck dissection, extent of thyroidectomy, and the presence of cancer and parathyroid tissue within the specimen were recorded for 266 patients. The incidence of post-operative hypocalcaemia was also recorded. Univariate and multivariate analysis were performed to identify factors associated with inadvertent parathyroidectomy.

Results:

The inadvertent parathyroidectomy rate was 16 per cent. Univariate analysis revealed that cancer and concurrent neck dissection predicted inadvertent parathyroidectomy. On multivariate analysis, only concurrent neck dissection remained an independent predictor of inadvertent parathyroidectomy: it was associated with a fourfold increase in inadvertent parathyroidectomy.

Conclusion:

The inadvertent parathyroidectomy rate was 16 per cent and concurrent neck dissection was identified as an independent predictor of inadvertent parathyroidectomy.

Keywords

Parathyroid GlandsThyroid GlandParathyroidectomyIncidence
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 130 , Issue 7 , July 2016 , pp. 669 - 673
Copyright
Copyright © JLO (1984) Limited 2016 

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