European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology · 2017
Evaluating the effectiveness of prophylactic central neck dissection with total thyroidectomy for cN0 papillary thyroid carcinoma: An updated meta-analysis.
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Zhao Wan-Jun, Luo Han, Zhou Yi-Mei, Dai Wen-Yu, Zhu Jing-Qiang
Аннотация
BACKGROUND: The effectiveness of prophylactic central neck dissection (pCND) following total thyroidectomy (TT) in patients with clinical node-negative (cN0) papillary thyroid carcinoma (PTC) is still controversial. The aim of this meta-analysis is to evaluate the outcome of pCND and to provide quantitative evidence.
METHOD: A detailed literature search of PubMed, EMBASE, ClinicalTrails.gov and Cochrane Library electronic databases for articles published up to October 2016 was carried out. This meta-analysis was performed by the random method (Mantel-Haenszel) model. Locoregional recurrence (LRR) and surgical complications were analyzed.
RESULTS: Twenty-two studies comparing pCND + TT (combined) and TT alone in cN0 PTC patients were analyzed. A total of 6930 cases were enrolled, including 2381 cases in the combined group and 4009 cases in the TT-alone group. Compared with TT alone, patients in the combined group showed a significantly lower rate of overall LRR (OR = 0.66, 95% CI = 0.48-0.89) and central compartment recurrence (OR = 0.40, 95% CI = 0.22-0.73). There was no statistical difference in the rate of lateral compartment recurrence. However, the combined group showed a significantly higher rate of temporary and permanent hypoparathyroidism (OR = 2.28, 95% CI = 1.92-2.27/OR = 1.84, 95% CI = 1.15-2.95) and temporary recurrent laryngeal nerve injury (LNR) (OR = 1.53, 95% CI = 1.08-2.16). There was no statistical difference in the rate of permanent LNR, hematoma, hemorrhage or wound infection.
CONCLUSIONS: This meta-analysis revealed that pCND with TT was a significantly efficient way to reduce the risk of LRR. However, pCND + TT increased the incidence rate of temporary and permanent hypoparathyroidism and temporary LNR.
METHOD: A detailed literature search of PubMed, EMBASE, ClinicalTrails.gov and Cochrane Library electronic databases for articles published up to October 2016 was carried out. This meta-analysis was performed by the random method (Mantel-Haenszel) model. Locoregional recurrence (LRR) and surgical complications were analyzed.
RESULTS: Twenty-two studies comparing pCND + TT (combined) and TT alone in cN0 PTC patients were analyzed. A total of 6930 cases were enrolled, including 2381 cases in the combined group and 4009 cases in the TT-alone group. Compared with TT alone, patients in the combined group showed a significantly lower rate of overall LRR (OR = 0.66, 95% CI = 0.48-0.89) and central compartment recurrence (OR = 0.40, 95% CI = 0.22-0.73). There was no statistical difference in the rate of lateral compartment recurrence. However, the combined group showed a significantly higher rate of temporary and permanent hypoparathyroidism (OR = 2.28, 95% CI = 1.92-2.27/OR = 1.84, 95% CI = 1.15-2.95) and temporary recurrent laryngeal nerve injury (LNR) (OR = 1.53, 95% CI = 1.08-2.16). There was no statistical difference in the rate of permanent LNR, hematoma, hemorrhage or wound infection.
CONCLUSIONS: This meta-analysis revealed that pCND with TT was a significantly efficient way to reduce the risk of LRR. However, pCND + TT increased the incidence rate of temporary and permanent hypoparathyroidism and temporary LNR.