We are describing a novel technique to insert nasogastric tube (NGT) in the anesthetized patients dur- ing cervical esophageal reconstruction. Methods: Forty patients with mid and upper esophageal tumor enrolled into this study were randomly allocated into two groups (the control group, group C and the novel method group, group N). All the patients were applied mechanical anastomosis to finish the cervical esophageal reconstruction. The procedure of NGT insertion for group C use the conventional method; well, the group N use the novel technique. Results: All the patients in group N had been finished the NGT insertion in the first attempt, and the total time for insertion was (5.05 + 1.15) mins; on the contrary, for the group C, duration of insertion (min) was (24.45 ± 5.23) mins, and the successful rate of NGT insertion in the first attempt was 40% (P〈 0.05); no one in group N had coiling/kinking, and 6/20 (30%) in group C had it (P= 0.020). The complication rate of bleeding between the two group had no significant difference. Conclusion: For the patient with mid and upper esophageal tumor who need cervical esophageal reconstruction, this novel method can save the NGT insertion time, and make it easier with higher successful rate. 相似文献
In this study, the mechanical responses of a functionally graded thick-walled tube simultaneously under magnetic, thermal and mechanical loads are studied. Based on the assumption that the volume fraction of each phase material is distributed as a power function, the Voigt method is used to obtain the stress–strain relationship of the functionally graded materials (FGMs). The influences of the relevant material parameters including volume fraction, thermal expansion coefficient, and Poisson’s ratio on the magneto-thermo-elastic theoretical solution are deeply studied and discussed. Furthermore, when some of the parameters are set as special values, the research results can be degenerated to two coupled loads which are consistent with the existing researches. The results of this paper provide theoretical support for the practical design and application of the FGM tube under the combined action of magnetic, thermal and mechanical loads. 相似文献