Objective: To explore the application value of enhanced recovery after surgery (ERAS) with the multidisciplinary team (MDT) model in laryngeal cancer surgery. Methods: Eighty patients with laryngeal cancer treated in Department of Otorhinolaryngology Head and Neck Surgery of Yantai Yuhuangding Hospital from May 2016 to June 2017 were selected, including 76 males and 4 females, aged 45 to 75 years old. By random number table method, they were divided into ERAS group (40 cases) and control group (40 cases). Visual analogue scale (VAS), general comfort questionnaire (GCQ) and self-rating Anxiety Scale (SAS) were used to evaluate the symptoms and signs and psychological state of the two groups before and after operation. Mann Whitney U test was used for non-normal distribution data, and chi square test, Fisher exact probability method and covariance analysis were used for classification data. Repeated measures analysis of variance was used for the comparison of each group at different time points. Results: Two cases in the ERAS group and six cases in the control group withdrew from the study for some reason. Finally, 38 cases in the ERAS group and 34 cases in the control group were enrolled in this study. The postoperative pain scores of the two groups were the highest at 6 h after operation, and then gradually decreased. At different time points after operation, the pain scores of ERAS group were lower than those of the control group. At 24 h after operation, the pain relief degree of ERAS group was significantly higher than that of the control group, with a statistically significant difference (P<0.05). Compared to control group, ERAS group had lower preoperative thirst score [(0.15±0.36) vs. (4.29±1.17), Z=-7.695, P<0.001] and hunger score [(0.38±0.49) vs. (3.44±1.13), Z=-7.426, P<0.001]. The total number of postoperative adverse reactions (8 vs.16), oral feeding time [(4.06±4.42) d vs. (9.06±2.42) d] and postoperative hospital stay [(5.91±0.97) d vs. (11.03±2.11)d] in ERAS group were lower than those in control group (statistics 5.461, -4.558, -7.347, P<0.05), but there was no significant difference in postoperative catheter indwelling time and neck drainage tube indwelling time between the two groups (P>0.05). Before discharge, the comfort of ERAS group was significantly higher than that of control group [(60.37±8.78) vs. (50.38±8.08), Z=-4.370, P<0.001]. Before discharge, the anxiety level of ERAS group decreased, while that of the control group increased significantly, which was higher than that of ERAS Group [(59.12±6.43) vs. (52.62±6.25), Z=-4.179, P<0.001]. Conclusion: The application of multidisciplinary ERAS in laryngeal cancer surgery can improve preoperative hunger and thirst, postoperative pain and mental state, shorten the length of hospital stay and reduce postoperative adverse reactions.
Aged ; Enhanced Recovery After Surgery ; Female ; Humans ; Laryngeal Neoplasms/surgery* ; Length of Stay ; Male ; Middle Aged ; Perioperative Care ; Postoperative Period

Objective: To investigate the correlation between CLOCK and BMAL1 genes and MEN2 medullary thyroid carcinoma (MTC). Methods: Thirteen cases with MEN2 MTC and thirteen cases with non-MEN2 MTC were selected who were treated in the Yantai Yuhuangding Hospital between January 2013 and September 2021. Clinical indicators such as blood calcitonin level, tumor diameter and metastatic lymph node of patients were collected. The expression differences of CLOCK and BMAL1 between MEN2 MTC and para-carcinoma tissue as well as between MEN2 MTC and non-MEN2 MTC were detected by immunohistochemistry and qPCR. The correlation between lymph node metastasis and CLOCK or BMAL1 expression was analyzed. Protein-protein interaction (PPI) network analysis combined with qPCR and correlation analysis was used to explore the expression regulation relationship between RET and circadian clock genes. The rhythm disorder of MEN2 cells was verified by lipopolysaccharide cell stimulation experiment after dexamethasone rhythm synchronization. Results: MEN2 MTC exhibited typical RET gene mutation. The mean blood calcitonin level, the tumor diameter and the number of metastatic lymph nodes of patients with MEN2 MTC were higher than those of patients with non-MEN2 MTC (t value was 2.76, 2.53, 2.26, all P<0.05). Immunohistochemical results showed that the expression levels of CLOCK and BMAL1 in MEN2 MTC were higher than those in non-MEN2 MTC, while negatively expressed in para-cancerous thyroid follicle. qPCR displayed that the expression of CLOCK gene in cancer tissues was higher than that in non-MEN2 MTC and para-cancerous tissues (t value was 2.68 and 2.86, all P<0.05); the expression of BMAL1 gene in MEN2 MTC was higher than that in non-MEN2 MTC and para-cancerous tissues (t value was 2.21 and 2.35, all P<0.05). Correlation analysis showed that the expression levels of CLOCK and BMAL1 genes were positively correlated with the number of lymph node metastases in patients with MEN2 MTC (r=0.65, P<0.001; r=0.52, P=0.005). PPI network analysis indicated that the expression of CLOCK gene was positively correlated with the abnormal expression of RET gene (r=0.96, P<0.001). With lipopolysaccharide to stimulate cultured cells in vitro after dexamethasone rhythm synchronization, the expressions of CLOCK and BMAL1 in MEN2 MTC cells (0.47±0.22 and 2.60±1.48) at 12 hours of synchronization were significantly lower than those in para-cancerous tissues (1.70±1.62 and 8.23±2.52), the difference was statistically significant(t=5.04, P=0.007; t=3.34, P=0.029). Conclusion: CLOCK and BMAL1 are correlated with the occurrence and development of MEN2 MTC, and may be potential targets for the development of new therapeutic strategies for MEN2 MTC.
ARNTL Transcription Factors/genetics* ; CLOCK Proteins/genetics* ; Calcitonin ; Carcinoma, Neuroendocrine/genetics* ; Dexamethasone ; Humans ; Lipopolysaccharides ; Lymphatic Metastasis ; Multiple Endocrine Neoplasia Type 2a/genetics* ; Thyroid Neoplasms/surgery*