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Ann Surg Treat Res. 2019 Sep;97(3):119-123. doi: 10.4174/astr.2019.97.3.119. Epub 2019 Aug 29.

Postthyroidectomy obesity in a Korean population: does the extent of surgery matter?

Author information

1
Department of Surgery, Konkuk University School of Medicine, Seoul, Korea.
2
Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea.
3
Department of Family Medicine, Konkuk University School of Medicine, Seoul, Korea.
4
Department of Surgery, Kyung Hee University School of Medicine, Seoul, Korea.

Abstract

Purpose:

The purpose of this study was to investigate the prevalence of postthyroidectomy obesity, and the relationship between the extent of thyroidectomy and obesity.

Methods:

A survey conducted at an outpatient clinic from June to October 2014 and retrospective charts for patients undergoing thyroidectomy at Konkuk University Medical Centers from June 2009 to December 2013 were reviewed. We compared clinical characteristics and pre- and postoperative obesity-related factors in 227 patients who underwent total thyroidectomy or lobectomy.

Results:

Patients included 39 males and 188 females with a mean age of 46.0 ± 11.0 years; the mean follow-up period was 23.9 ± 16.7 months, and 90 of the 227 patients showed postthyroidectomy obesity. In effect of operative extent on postoperative obesity, patients who underwent TT (48.2 years) than those who underwent lobectomy (43.4 years). TT group had longer follow-up and the frequency of menopause was higher than in the lobectomy group. No differences in postthyroidectomy obesity, body weight change, or body mass index (BMI), change among 2 groups. The predictors of postthyroidectomy obesity were older age, female, heavy alcohol consumption (P = 0.029), higher preoperative BMI (P < 0.001), larger postoperative weight gain (P = 0.024), and larger BMI change. However, the extent of thyroidectomy did not affect postthyroidectomy obesity. Preoperative BMI (P < 0.001) and heavy alcohol consumption (P = 0.03) were independent factors of postthyroidectomy obesity.

Conclusion:

The extent of thyroidectomy does not affect postthyroidectomy obesity. Preoperative BMI and heavy alcohol consumption are risk factors for postthyroidectomy obesity. Studies are needed to suggest preoperative life style modification to prevent postthyroidectomy obesity.

KEYWORDS:

Lobectomy; Obesity; Thyroid neoplasms; Thyroidectomy

Conflict of interest statement

CONFLICTS OF INTEREST: No potential conflict of interest relevant to this article was reported.

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