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bioRxiv · 10.1101/783993

The Role of Carbon Nanoparticle in Lymph Node Detection and Parathyroid Gland Protection during Thyroidectomy - a Meta Analysis

Xu, S.·Li, Z.-F.·Xu, M.·Peng, H.
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Abstract

ObjectiveTo assess the efficiency of the carbon nanoparticles (CNs) in lymph node identification and parathyroid gland protection during thyroidectomy.\n\nMethodsA systematic literature search for relevant literatures published up to December 2018 in PubMed, Embase, Web of Science and Cochrane Library was performed. Both English and Chinese literatures were retrieved and analyzed. Randomized controlled trials or nonrandomized controlled trials on the use of CNs during thyroidectomy were enrolled in this study. The primary outcomes included the number of lymph nodes harvesed, rate of lymph nodes involvement, and the rates of accidental parathyroidectomy, hypoparathyroidism, and hypocalcemia. Weighted mean differences (WMDs), odds ratios (ORs) and risk differences (RDs) were calculated for the dichotomous outcome variables. Between-study heterogeneity was tested using the Q tests and the I2 statistics. All analyses were performed using Review Manager (version 5.3.5).\n\nResults25 studies comprising 3266 patients were included in this analysis. The total number of lymph nodes harvested in the groups of carbon nanoparticles was significant higher than that in the control groups (WMD, 2.36; 95% CI, 1.40 to 3.32; P <0.01). Administrating carbon nanoparticles was associated with a lower incidence of accidental parathyroid gland removal (OR = 0.30, 95% CI = 0.23 to 0.40, P <0.01) and lower rates of both postoperative transient hypoparathyroidism (OR =0.46, 95% CI = 0.33 to 0.64, P <0.01) and transient hypocalcemia (OR =0.55, 95% CI = 0.09 to 3.43, P =0.52). There was no significant difference of identified lymph node metastatic rates between the patients with and without use of carbon nanoparticles. Subgroup analyses indicated that the application of CNs in thyroid cancer reoperation also decreased the rate of transient hypoparathyroidism (OR =0.20, 95% CI = 0.36 to 0.04, P =0.01) and the possibility of accidental parathyroid glands removal (OR = 0.19, 95% CI = 0.05 to 0.73, P<0.05).\n\nConclusionsThe application of CNs for thyroidectomy results in higher number of lymph node harvested and better parathyroid gland protection during initial surgery and reoperation for thyroid cancer.

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Xu, S., Li, Z.-F., Xu, M., Peng, H.. 2019-09-30. The Role of Carbon Nanoparticle in Lymph Node Detection and Parathyroid Gland Protection during Thyroidectomy - a Meta Analysis. https://doi.org/10.1101/783993

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