PMID- 17420111 OWN - NLM STAT- MEDLINE DCOM- 20080211 LR - 20161124 IS - 0753-3322 (Print) IS - 0753-3322 (Linking) VI - 61 IP - 8 DP - 2007 Sep TI - Significance of thyroid blood flow as a predictor of methimazole sensitivity in untreated hyperthyroid patients with Graves' disease. PG - 472-6 AB - OBJECTIVE: The peak systolic velocity (PSV) of the inferior thyroid artery (ITA) is increased in untreated hyperthyroid patients with Graves' disease (GD). We investigated the clinical significance of the ITA-PSV and its determinants in hyperthyroid GD patients. PATIENTS AND METHODS: ITA-PSV, together with thyroid volume, was measured by ultrasonography in untreated hyperthyroid GD patients (n=49) and healthy subjects (n=22). Established markers of GD activity such as TSH receptor antibody (TRAb), thyroid stimulating antibody (TSAb), vascular endothelial growth factor (VEGF) and immunoglobulin E (IgE) were simultaneously determined. RESULTS: ITA-PSV, thyroid volume, VEGF and IgE were significantly higher in hyperthyroid GD patients than in normal subjects. ITA-PSV in hyperthyroid GD patients was correlated positively with serum levels of FT(3), FT(4) and IgE, smoking index and thyroid volume, and negatively with total, HDL- and LDL-cholesterols, but did not correlate significantly with age, triglyceride, TRAb, TSAb or VEGF. In stepwise regression analysis, ITA-PSV showed significant positive and negative associations with IgE and LDL-cholesterol, respectively, in hyperthyroid GD patients. In the pre-treatment hyperthyroid state, FT(4) and ITA-PSV, but not IgE, were found to be significantly and positively associated with the maintenance dose of methimazole (MMI) required to keep serum TSH within normal range for at least 12 months. CONCLUSION: These results suggest that ITA-PSV in untreated hyperthyroid GD patients may reflect GD activity and thus MMI sensitivity. FAU - Nagasaki, Toshiki AU - Nagasaki T AD - Department of Metabolism, Endocrinology and Molecular Medicine, Osaka City University Graduate School of Medicine, 1-4-3, Asahi-machi, Abeno-ku, Osaka 545-8585, Japan. FAU - Inaba, Masaaki AU - Inaba M FAU - Kumeda, Yasuro AU - Kumeda Y FAU - Fujiwara-Ueda, Misako AU - Fujiwara-Ueda M FAU - Hiura, Yoshikazu AU - Hiura Y FAU - Nishizawa, Yoshiki AU - Nishizawa Y LA - eng PT - Journal Article DEP - 20070307 PL - France TA - Biomed Pharmacother JT - Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie JID - 8213295 RN - 0 (Antithyroid Agents) RN - 0 (Immunoglobulins, Thyroid-Stimulating) RN - 0 (Receptors, Thyrotropin) RN - 0 (Vascular Endothelial Growth Factor A) RN - 06LU7C9H1V (Triiodothyronine) RN - 37341-29-0 (Immunoglobulin E) RN - 554Z48XN5E (Methimazole) RN - Q51BO43MG4 (Thyroxine) SB - IM MH - Adolescent MH - Adult MH - Aged MH - Antithyroid Agents/*therapeutic use MH - Blood Flow Velocity MH - Female MH - Graves Disease/diagnostic imaging/*drug therapy/physiopathology MH - Humans MH - Immunoglobulin E/blood MH - Immunoglobulins, Thyroid-Stimulating/blood MH - Male MH - Methimazole/*therapeutic use MH - Middle Aged MH - Predictive Value of Tests MH - Receptors, Thyrotropin/immunology MH - Regional Blood Flow MH - Thyroid Gland/*blood supply/diagnostic imaging/pathology MH - Thyroxine/blood MH - Triiodothyronine/blood MH - Ultrasonography, Doppler MH - Vascular Endothelial Growth Factor A/blood EDAT- 2007/04/11 09:00 MHDA- 2008/02/12 09:00 CRDT- 2007/04/11 09:00 PHST- 2007/01/20 00:00 [received] PHST- 2007/02/06 00:00 [accepted] PHST- 2007/04/11 09:00 [pubmed] PHST- 2008/02/12 09:00 [medline] PHST- 2007/04/11 09:00 [entrez] AID - S0753-3322(07)00023-6 [pii] AID - 10.1016/j.biopha.2007.02.002 [doi] PST - ppublish SO - Biomed Pharmacother. 2007 Sep;61(8):472-6. doi: 10.1016/j.biopha.2007.02.002. Epub 2007 Mar 7.