[Application of health education path in advanced schistosomiasis patients with splenomegaly in perioperative period].

OBJECTIVE: To evaluate the effect of health education path on advanced schistosomiasis patients with splenomegaly in perioperative period. METHODS: A total of 60 advanced schistosomiasis patients with splenomegaly in perioperative period were randomly divided into an observation group and a control group (30 cases each group). The patients in the observation group were intervened by the nursing and health education from admission to discharge according to the standardized process of health education path, while those in the control group were implemented with the conventional health education. Then the satisfaction of nursing work, hospital stays, hospitalization expenses and mastery of health knowledge of the patients in the two groups were investigated and the results were compared. RESULTS: The satisfaction rates of nursing work of patients in the observation group and the control group were 90% and 60%, respectively, the difference between them was statistically significant (χ2 = 7.57, P < 0.05). The average hospitals stays of the above two groups were 14.0 ± 3.5 d and 19.0 ± 6.8 d (t = 2.85, P < 0.01), respectively, and the average hospitalization expenses were (1.5 ± 0.5) thousand Yuan and (2.2 ± 0.7) thousand Yuan (t = 24.57, P < 0.01), respectively, both of the differences were statistically significant. On the 10th day after surgery, the mastery rates of the health knowledge of the two groups were 96.7% and 50.0%, respectively, the difference was statistically significant (χ2 = 16.86, P < 0.001). CONCLUSIONS: The implementation of the health education path can promote the rehabilitation of advanced schistosomiasis patients with splenomegaly, and increase the satisfaction as well as improve the mastery of the health knowledge of the patients. Meanwhile, it also can cut down the hospital stays and save the hospitalization expenses.

[Effect of silicon on translocation and morphology distribution of lead in soil-tobacco system].

Taking tobacco as test material, a pot experiment was conducted to study the effect of silicon on translocation of lead (Pb) form soil to tobacco in order to explore effective measures for reducing Pb concentration in tobacco leaf. The results showed that silicon application promoted the transformation of exchangeable Pb into Fe-Mn oxide-bound Pb in non-rhizospheric soil, and into Fe-Mn oxide-bound Pb and residual Pb in rhizospheric soil, which decreased the availability and mobility of Pb in the soil. Silicon application significantly reduced the Pb uptake of tobacco, with the content of Pb being decreased by 6.5% to 44.0% in tobacco, and 3.1% to 60.4% in leaf. Silicon application promoted the transformation of ethanol-extractable, H2O-extractable Pb and NaCl-extractable Pb into HCl-extractable Pb and residual Pb in root, stem and leaf of tobacco, which reduced the toxicity and mobility of Pb in tobacco. Silicon restricted the transportation of Pb from soil to tobacco leaf by reducing the mobility index of Pb from soil to root and the mobility index of Pb from root to stem in soil-tobacco system. Meanwhile, the mobility index of Pb from stem to leaf in soil-tobacco system showed a rising-and-falling trend with the increase of Pb application. Silicon inhibited the Pb migration from soil to tobacco leaf by reducing availability of Pb, mitigating toxicity of Pb to tobacco, and changing the distribution of Pb forms in tobacco, consequently reducing Pb concentration of tobacco leaf. These results demonstrated silicon application could be effective in reducing translocation of Pb from soil to tobacco.