Melasma and thyroid disorders: a systematic review and meta-analysis.
Journal
International journal of dermatology
ISSN: 1365-4632
Titre abrégé: Int J Dermatol
Pays: England
ID NLM: 0243704
Informations de publication
Date de publication:
Nov 2019
Nov 2019
Historique:
received:
10
02
2019
revised:
05
04
2019
accepted:
28
04
2019
pubmed:
1
6
2019
medline:
27
2
2020
entrez:
1
6
2019
Statut:
ppublish
Résumé
Thyroid hormones may play a key role in melasma; however, melasma link with thyroid disorders remains controversial. To compare the serum levels of thyroid-stimulating hormone (TSH), T4, T3, anti-thyroid peroxidase (anti-TPO), and antithyroglobulin between patients with melasma and control group using meta-analysis. We screened 10 databanks and search engines, searched mesh and nonmesh terms. The identified evidences were reviewed and quality assessed using the Newcastle-Ottawa Scale (NOS). The heterogeneity between the primary results was investigated using Cochrane and I-square indices. Random effect model was applied to combine the standardized mean differences of thyroid function indicators between patients with and without melasma. P values meta-analysis was used to investigate the association between anti-TPO and melasma. We included seven studies, 473 cases, and 379 controls that had been investigated. The total standardized mean differences (95% confidence intervals) of TSH, T3, T4, and antithyroglobulin antibody between cases and controls were estimated to be 0.33 (0.18, 0.47), -0.01 (-0.20, 0.19), -1.50 (-2.96, -0.04), and 0.62 (0.14, 1.11), respectively. The corresponding figures among women were 0.35 (0.17, 0.52), 0.10 (-0.17, 0.38), -2.75 (-6.30, 0.81), and 0.99 (0.14, 1.83), respectively. P value of meta-analysis showed a significant relationship between anti-TPO serum level and melasma (Fisher = 26.80, P = 0.020). Serum levels of TSH, anti-TPO, and antithyroglobulin antibody were significantly higher in patients with melasma than those without melasma. Moreover, these differences were more severe among women with melasma.
Sections du résumé
BACKGROUND
BACKGROUND
Thyroid hormones may play a key role in melasma; however, melasma link with thyroid disorders remains controversial.
OBJECTIVES
OBJECTIVE
To compare the serum levels of thyroid-stimulating hormone (TSH), T4, T3, anti-thyroid peroxidase (anti-TPO), and antithyroglobulin between patients with melasma and control group using meta-analysis.
METHODS
METHODS
We screened 10 databanks and search engines, searched mesh and nonmesh terms. The identified evidences were reviewed and quality assessed using the Newcastle-Ottawa Scale (NOS). The heterogeneity between the primary results was investigated using Cochrane and I-square indices. Random effect model was applied to combine the standardized mean differences of thyroid function indicators between patients with and without melasma. P values meta-analysis was used to investigate the association between anti-TPO and melasma.
RESULTS
RESULTS
We included seven studies, 473 cases, and 379 controls that had been investigated. The total standardized mean differences (95% confidence intervals) of TSH, T3, T4, and antithyroglobulin antibody between cases and controls were estimated to be 0.33 (0.18, 0.47), -0.01 (-0.20, 0.19), -1.50 (-2.96, -0.04), and 0.62 (0.14, 1.11), respectively. The corresponding figures among women were 0.35 (0.17, 0.52), 0.10 (-0.17, 0.38), -2.75 (-6.30, 0.81), and 0.99 (0.14, 1.83), respectively. P value of meta-analysis showed a significant relationship between anti-TPO serum level and melasma (Fisher = 26.80, P = 0.020).
CONCLUSION
CONCLUSIONS
Serum levels of TSH, anti-TPO, and antithyroglobulin antibody were significantly higher in patients with melasma than those without melasma. Moreover, these differences were more severe among women with melasma.
Substances chimiques
Autoantibodies
0
Thyroid Hormones
0
anti-thyroglobulin
0
Iodide Peroxidase
EC 1.11.1.8
Types de publication
Comparative Study
Journal Article
Meta-Analysis
Systematic Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
1231-1238Informations de copyright
© 2019 The International Society of Dermatology.
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