• Department of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
SU Anping, Email: suanpingping@126.com; ZHU Jingqiang, Email: zjq-wkys@163.com
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Objective To investigate the application value of indocyanine green (ICG) fluorescence imaging technology for determining the blood supply of parathyroid in thyroid surgery.Methods The patients who underwent total thyroidectomy and bilateral central lymph node dissection for papillary thyroid carcinoma (PTC) from June 1, 2017 to January 1, 2018 were prospectively enrolled and then divided into a study group and control group randomly. The study group used the ICG fluorescence imaging technology to evaluate the blood supply of the parathyroid glands, while the control group assessed the blood supply by naked eyes, then determined that whether the parathyroid glands were retained in situ or autotransplanted. The incidence of hypoparathyroidism, length of hospital stay, and parathyroid hormone (PTH) were compared between the two groups.Results ① A total of 60 patients with PTC were included in the study, and 30 patients in each group. There were no significant differences in the baseline informations of the two groups such as the gender, age, comorbidities, and preoperative PTH, Ca2+ levels, etc. (P>0.05). ② The ICG score of type A parathyroid glands (except type A3) was lower than that of type B parathyroid glands (0.99±0.38 versus 1.45±0.58, t=–2.395, P<0.05). ③ The length of postoperative hospital stay was shorter in the study group than in the control group (t=–2.159, P=0.035). ④ The ICG fluorescence imaging could significantly reduce the incidence of temporary hypoparathyroidism (χ2=5.079, P=0.024). The incidence of permanent hypoparathyroidism was not statistically different between the two groups (χ2=1.000, P=0.317), and only 1 case appeared in the control group. ⑤ There were no statistically significant differences in the PTH and serum Ca2+ levels at day 1, month 1, month 3, and month 6 after the surgery between the two groups (P>0.05). Conclusion ICG fluorescence imaging technology could be used to determine blood supply of parathyroid in situ in real time during operation. Further studies are needed to confirm this conclusion.

Citation: FEI Yuan, ZHAO Wanjun, SU Anping, ZHU Jingqiang, LI Zhihui, WEI Tao. Application of indocyanine green fluorescence imaging in determining blood supply of parathyroid glands during thyroid surgery. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2020, 27(9): 1094-1099. doi: 10.7507/1007-9424.201912024 Copy

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