ABSTRACT
OBJECTIVE: To explore the efficacy of thoracoscopy combined with laparoscopy (TCL) and esophagectomy in patients with esophageal carcinoma (EC) and analyze the risk factors for postoperative infection. METHODS: A total of 122 patients with EC admitted to our hospital were randomly divided into the study group (SG) and the control group (CG), with 61 patients in each group. Patients in the SG were treated with TCL, while patients in the CG were treated with traditional radical surgery for EC. The operation time, intraoperative blood loss, swallowing function, length of stay (LOS), number of lymph node dissections, postoperative infection rate, and quality of life in the first month after treatment were recorded and compared between the two groups. A logistic regression model was used to analyze the risk factors for postoperative infection. RESULTS: The operation time, intraoperative blood loss, LOS, and postoperative infection rate of the SG were significantly lower than those of the CG (all P<0.05). However, the number of lymph node dissections, swallowing function, and quality of life of patients in the SG were significantly higher than those in the CG, with statistically significant differences (all P<0.05). Postoperative hypoproteinemia, diabetes mellitus, and surgical mode were independent risk factors for postoperative infection in patients with EC (P<0.05). CONCLUSION: Compared with traditional radical surgery for EC, TCL and resection can effectively reduce trauma, improve the lymph node dissection rate, promote postoperative recovery, and reduce postoperative infection, which is worthy of clinical application and promotion. Hypoproteinemia, diabetes mellitus, and surgical procedures are independent risk factors for postoperative infection in patients with EC. However, with improved medical technologies, the attention to and understanding of these high-risk factors can effectively improve postoperative infection in EC patients.
ABSTRACT
Two series of phosphors of Ca8MgSc(PO4)7:Dy3+ and Sr8MgSc(PO4)7:Dy3+ single-phase white-emitting phosphors with high thermal emission stability are synthesized by the high-temperature solid-state reaction. The crystal structure, photoluminescence (PL), PL excitation (PLE), and thermal PL quenching spectra of Ca8MgSc(PO4)7:xDy3+ and Sr8MgSc(PO4)7:xDy3+ were investigated and compared in detail. Upon excitation at 387 nm, M8MgSc(PO4)7:xDy3+ (M = Ca/Sr) showed white emission centered at 480, 571, 660, and 754 nm. The white-emitting Dy-phosphor Ca8MgSc(PO4)7:Dy3+ (CMSP:Dy) had good terminal stability. The emission intensity of Ca8MgSc(PO4)7:Dy3+ still remained 95.2% of that at room temperature at 160 °C, and remained 77.3% at 300 °C under 387 nm excitation.
