Population-Based Assessment of Complications Following Surgery for Thyroid Cancer.

Papaleontiou M1, Hughes DT2, Guo C3, Banerjee M3, Haymart MR1.

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Abstract

CONTEXT:

As thyroid cancer incidence rises, more patients undergo thyroid surgery. Although postoperative complication rates have been reported in single institution studies, population-based data are limited.

OBJECTIVE:

To determine thyroid cancer surgery complication rates and identify at-risk populations.

DESIGN/SETTING/PATIENTS:

Using the Surveillance, Epidemiology, and End Results-Medicare database, we evaluated general complications within 30 days and thyroid surgery-specific complications within 1 year in 27,912 patients who underwent surgery for differentiated or medullary thyroid cancer between 1998 and 2011. Multivariable analyses of patient characteristics associated with postoperative complications were performed.

MAIN OUTCOME MEASURES:

General and thyroid surgery-specific complications.

RESULTS:

Overall, 1820 (6.5%) patients developed general postoperative complications and 3427 (12.3%) developed thyroid surgery-specific complications. In multivariable analyses, general and thyroid surgery-specific complications were significantly higher in patients >65 years [odds ratio (OR), 2.61; 95% confidence interval (CI), 2.31 to 2.95; OR, 3.12; 95% CI, 2.85 to 3.42], those with a Charlson/Deyo comorbidity score of 1 (OR, 2.40; 95% CI, 1.66 to 3.49; OR, 1.88; 95% CI, 1.53 to 2.31) and ≥2 (OR, 7.05; 95% CI, 5.33 to 9.56; OR, 3.62; 95% CI, 3.11 to 4.25), and those with regional (OR, 1.18; 95% CI, 1.03 to 1.35; OR, 1.31; 95% CI, 1.19 to 1.45) or distant disease (OR, 2.83; 95% CI, 2.30 to 3.47; OR, 1.85; 95% CI, 1.54 to 2.21), respectively.

CONCLUSIONS:

The rates of thyroid cancer surgery complications are higher than predicted, and patients with older age, more comorbidities, and advanced disease are at greatest risk. Efforts to reduce complications are needed.