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Risk of Suicide Attempt after Thyroidectomy: A Nationwide Population Study in South KoreaRisk of Suicide Attempt after Thyroidectomy: A Nationwide Population Study in South Korea

Other Titles
Risk of Suicide Attempt after Thyroidectomy: A Nationwide Population Study in South Korea
Authors
Kim HyewonKim YuwonShin Myung-HeeChoi Kwan WooChung Man KiJeon Hong Jin
Issue Date
Jan-2021
Publisher
대한신경정신의학회
Keywords
Suicide attempt; Thyroidectomy; Incidence rate ratios.
Citation
PSYCHIATRY INVESTIGATION, v.18, no.1, pp.39 - 47
Indexed
SCIE
SSCI
SCOPUS
KCI
Journal Title
PSYCHIATRY INVESTIGATION
Volume
18
Number
1
Start Page
39
End Page
47
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/52253
DOI
10.30773/pi.2020.0174
ISSN
1738-3684
Abstract
Objective To investigate the association between thyroidectomy and suicide attempt.Methods A nationwide population-based electronic medical records database of South Korea between January 1, 2009 and June 30, 2016 was used to investigate incidence rate ratios (IRRs) of suicide attempts and probable suicide attempts before and after thyroidectomy using a self-controlled case series design.Results In 2,986 patients who attempted suicide or probable suicide, the IRRs of suicidal behaviors during risk periods one year before and after thyroidectomy were investigated. Generally, after thyroidectomy, there was no increase in IRR compared to the non-risk period. When data were analyzed according to thyroidectomy type, after partial thyroidectomy, IRR increased up to 1.43 (95% CI: 1.03–1.98, p=0.032) in the days 91–181 period. In the subgroup with major depressive disorder (MDD), the IRR increased up to 1.74 (95% CI: 1.21–2.51, p=0.003) before thyroidectomy, and increased up to 1.67 (95% CI: 1.16–2.41, p=0.006) after thyroidectomy.Conclusion Although the general risk of suicide attempt was not increased after thyroidectomy, patients with MDD showed increased risk of suicide attempt before and after thyroidectomy. These results suggest that suicidality should be evaluated when depressive symptoms are present in patients who have undergone thyroidectomy.
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