Objective: To understand the relationship between residential neighborhood green space and mental health of middle school students, so as to provide a theoretical basis for mental health promotion among of middle school students at the level of residential environment. Methods: From October to December 2023, 1 258 students from three junior high schools and two general high schools in Panlong, Wuhua, Chenggong, and Guandu districts of Kunming City were selected by stratified cluster random sampling method. Conducting onsite questionnaire survey using the Mental Health Inventroy of Middle School students, residential neighborhood green space were evaluated using normalized difference vegetation index (NDVI). Analysis of variance, Pearson correlation analysis and linear regression analysis were used to analyze the relationship between as green space in residential neighborhoods and the mental health of middle school students. Results: The average mental health score of middle school students in Kunming was (2.02± 0.69 ), of which 447 (37.92%) had mild mental health problems, 107 (8.51%) had moderate mental health problems, and 12 ( 0.95% ) had more severe mental health problems. Mental health scores of middle school students varied significantly by gender, grade, and family income ( t/F =6.99, 7.15, 3.70, P <0.05). Correlation analysis showed that NDVI_250 m, NDVI_500 m, and NDVI_1 000 m were all negatively correlated with the total mental health scores of middle school students ( r =-0.07,-0.09, -0.10 , P <0.05). Multiple linear regression analysis showed that gender, grade, NDVI_250 m, NDVI_500 m, and NDVI_1 000 m were infuencing factors on the mental health of middle school students( B =0.25，0.05，-0.47，-0.67，-0.78, P <0.05). Conclusions Mental health of middle school students in Kunming is related to green space in different buffer zones around residences. The mental health education of middle school students should be strengthened, especially for girls and senior students, optimizing resources to reduce pressure, and improving the quality of green space in residential communities to improve the mental health of adolescents.

Objective:To investigate the effect of complex decongestive therapy(CDT) on elephantiasis and skin texture improvement.Methods:The clinical data of patients with elephantiasis of lower limbs who were admitted to the Department of Plastic Surgery, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine from January 2016 to December 2018 were retrospectively analyzed. The patients with elephantiasis of different causes were treated with CDT for 1 course (4 weeks). The skin texture parameters (skin water content, transepidermal water loss, skin fibrosis), limb circumference and segmental edema were measured before and after treatment and analyzed by paired t test. Pearson correlation analysis was used to detect the correlation between segmental edema and skin texture parameters before and after treatment. The subjective feelings of patients were recorded during follow-up. A self-designed online questionnaire was used to follow up the patient’s disease control status, including the limb circumferences, changes in quality of life (life, work, social and emotion), the adaptability to bandages and elastic socks. Data were classified and analysed as excellent, good, medium and poor.Results:A total of 20 patients were included, including 16 females and 4 males. The average age was 50.45 years (ranged 9-70 years). 5 cases were primary lymphedema and 15 cases were secondary lymphedema. The duration of the disease ranged from 2 years to 27 years, with an average of 8.4 years. After 1 course of treatment, the skin texture was significantly improved. The skin water content decreased from 55.6%±7.4% before treatment to 42.1%±7.4% after treatment ( P< 0.001). The transepidermal water loss decreased from (14.981±5.699) g·m -2·h -1 before treatment to (9.312±2.590) g·m -2·h -1 after treatment. The skin fibrosis decreased from (0.087±0.042) N before treatment to (0.065±0.033) N after treatment ( P<0.001). The circumference of the affected limb decreased from (11.09±3.14) cm before treatment to (4.82±2.83)cm after treatment ( P<0.001). The segmental edema decreased from (4.00±2.14)L before treatment to (1.21±0.78) L after treatment. Segmental edema was positively correlated with skin water content, transepidermal water loss, and skin fibrosis ( r=0.447, r=0.429, r=0.751, P<0.05). The patients were followed up for 6 months after treatment. The circumference control was excellent in 13 cases, good in 5 cases and moderate in 2 cases. The quality-of-life changes were excellent in 16 cases, good in 3 cases, medium in 1 case. The adaptability of elastic material was excellent in 9 cases, good in 8 cases, medium in 2 cases and poor in 1 case. Conclusions:CDT can reduce subcutaneous edema, effectively reduce limb volume, decrease skin fibrosis, improve skin barrier function, improve skin texture, restore the appearance of the limb and improve patients’ quality of life.

Objective:To investigate the effect of complex decongestive therapy(CDT) on elephantiasis and skin texture improvement.Methods:The clinical data of patients with elephantiasis of lower limbs who were admitted to the Department of Plastic Surgery, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine from January 2016 to December 2018 were retrospectively analyzed. The patients with elephantiasis of different causes were treated with CDT for 1 course (4 weeks). The skin texture parameters (skin water content, transepidermal water loss, skin fibrosis), limb circumference and segmental edema were measured before and after treatment and analyzed by paired t test. Pearson correlation analysis was used to detect the correlation between segmental edema and skin texture parameters before and after treatment. The subjective feelings of patients were recorded during follow-up. A self-designed online questionnaire was used to follow up the patient’s disease control status, including the limb circumferences, changes in quality of life (life, work, social and emotion), the adaptability to bandages and elastic socks. Data were classified and analysed as excellent, good, medium and poor.Results:A total of 20 patients were included, including 16 females and 4 males. The average age was 50.45 years (ranged 9-70 years). 5 cases were primary lymphedema and 15 cases were secondary lymphedema. The duration of the disease ranged from 2 years to 27 years, with an average of 8.4 years. After 1 course of treatment, the skin texture was significantly improved. The skin water content decreased from 55.6%±7.4% before treatment to 42.1%±7.4% after treatment ( P< 0.001). The transepidermal water loss decreased from (14.981±5.699) g·m -2·h -1 before treatment to (9.312±2.590) g·m -2·h -1 after treatment. The skin fibrosis decreased from (0.087±0.042) N before treatment to (0.065±0.033) N after treatment ( P<0.001). The circumference of the affected limb decreased from (11.09±3.14) cm before treatment to (4.82±2.83)cm after treatment ( P<0.001). The segmental edema decreased from (4.00±2.14)L before treatment to (1.21±0.78) L after treatment. Segmental edema was positively correlated with skin water content, transepidermal water loss, and skin fibrosis ( r=0.447, r=0.429, r=0.751, P<0.05). The patients were followed up for 6 months after treatment. The circumference control was excellent in 13 cases, good in 5 cases and moderate in 2 cases. The quality-of-life changes were excellent in 16 cases, good in 3 cases, medium in 1 case. The adaptability of elastic material was excellent in 9 cases, good in 8 cases, medium in 2 cases and poor in 1 case. Conclusions:CDT can reduce subcutaneous edema, effectively reduce limb volume, decrease skin fibrosis, improve skin barrier function, improve skin texture, restore the appearance of the limb and improve patients’ quality of life.

Objective:To investigate the effect of complex decongestive therapy(CDT) on elephantiasis and skin texture improvement.Methods:The clinical data of patients with elephantiasis of lower limbs who were admitted to the Department of Plastic Surgery, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine from January 2016 to December 2018 were retrospectively analyzed. The patients with elephantiasis of different causes were treated with CDT for 1 course (4 weeks). The skin texture parameters (skin water content, transepidermal water loss, skin fibrosis), limb circumference and segmental edema were measured before and after treatment and analyzed by paired t test. Pearson correlation analysis was used to detect the correlation between segmental edema and skin texture parameters before and after treatment. The subjective feelings of patients were recorded during follow-up. A self-designed online questionnaire was used to follow up the patient’s disease control status, including the limb circumferences, changes in quality of life (life, work, social and emotion), the adaptability to bandages and elastic socks. Data were classified and analysed as excellent, good, medium and poor.Results:A total of 20 patients were included, including 16 females and 4 males. The average age was 50.45 years (ranged 9-70 years). 5 cases were primary lymphedema and 15 cases were secondary lymphedema. The duration of the disease ranged from 2 years to 27 years, with an average of 8.4 years. After 1 course of treatment, the skin texture was significantly improved. The skin water content decreased from 55.6%±7.4% before treatment to 42.1%±7.4% after treatment ( P< 0.001). The transepidermal water loss decreased from (14.981±5.699) g·m -2·h -1 before treatment to (9.312±2.590) g·m -2·h -1 after treatment. The skin fibrosis decreased from (0.087±0.042) N before treatment to (0.065±0.033) N after treatment ( P<0.001). The circumference of the affected limb decreased from (11.09±3.14) cm before treatment to (4.82±2.83)cm after treatment ( P<0.001). The segmental edema decreased from (4.00±2.14)L before treatment to (1.21±0.78) L after treatment. Segmental edema was positively correlated with skin water content, transepidermal water loss, and skin fibrosis ( r=0.447, r=0.429, r=0.751, P<0.05). The patients were followed up for 6 months after treatment. The circumference control was excellent in 13 cases, good in 5 cases and moderate in 2 cases. The quality-of-life changes were excellent in 16 cases, good in 3 cases, medium in 1 case. The adaptability of elastic material was excellent in 9 cases, good in 8 cases, medium in 2 cases and poor in 1 case. Conclusions:CDT can reduce subcutaneous edema, effectively reduce limb volume, decrease skin fibrosis, improve skin barrier function, improve skin texture, restore the appearance of the limb and improve patients’ quality of life.

Objective:To investigate the effect of complex decongestive therapy(CDT) on elephantiasis and skin texture improvement.Methods:The clinical data of patients with elephantiasis of lower limbs who were admitted to the Department of Plastic Surgery, Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine from January 2016 to December 2018 were retrospectively analyzed. The patients with elephantiasis of different causes were treated with CDT for 1 course (4 weeks). The skin texture parameters (skin water content, transepidermal water loss, skin fibrosis), limb circumference and segmental edema were measured before and after treatment and analyzed by paired t test. Pearson correlation analysis was used to detect the correlation between segmental edema and skin texture parameters before and after treatment. The subjective feelings of patients were recorded during follow-up. A self-designed online questionnaire was used to follow up the patient’s disease control status, including the limb circumferences, changes in quality of life (life, work, social and emotion), the adaptability to bandages and elastic socks. Data were classified and analysed as excellent, good, medium and poor.Results:A total of 20 patients were included, including 16 females and 4 males. The average age was 50.45 years (ranged 9-70 years). 5 cases were primary lymphedema and 15 cases were secondary lymphedema. The duration of the disease ranged from 2 years to 27 years, with an average of 8.4 years. After 1 course of treatment, the skin texture was significantly improved. The skin water content decreased from 55.6%±7.4% before treatment to 42.1%±7.4% after treatment ( P< 0.001). The transepidermal water loss decreased from (14.981±5.699) g·m -2·h -1 before treatment to (9.312±2.590) g·m -2·h -1 after treatment. The skin fibrosis decreased from (0.087±0.042) N before treatment to (0.065±0.033) N after treatment ( P<0.001). The circumference of the affected limb decreased from (11.09±3.14) cm before treatment to (4.82±2.83)cm after treatment ( P<0.001). The segmental edema decreased from (4.00±2.14)L before treatment to (1.21±0.78) L after treatment. Segmental edema was positively correlated with skin water content, transepidermal water loss, and skin fibrosis ( r=0.447, r=0.429, r=0.751, P<0.05). The patients were followed up for 6 months after treatment. The circumference control was excellent in 13 cases, good in 5 cases and moderate in 2 cases. The quality-of-life changes were excellent in 16 cases, good in 3 cases, medium in 1 case. The adaptability of elastic material was excellent in 9 cases, good in 8 cases, medium in 2 cases and poor in 1 case. Conclusions:CDT can reduce subcutaneous edema, effectively reduce limb volume, decrease skin fibrosis, improve skin barrier function, improve skin texture, restore the appearance of the limb and improve patients’ quality of life.

Objective To investigate the correlation between the serum levels of homocysteine (Hcy) ,folate acid (FA) and vita‐min B12 (VitB12 ) with cerebral infarction .Methods The enzymatic cycling method and chemiluminescence immunoassay were used to detect the serum Hcy ,FA and Vit B12 levels in 60 patients with cerebral infarction ,and then the detection results were compared the results of 40 people undergoing physical examination in the same period .Results The serum Hcy level in the cerebral infarction group was (23 .16 ± 8 .17)μmol/L ,which was significantly higher than (8 .09 ± 2 .45)μmol/L in the control group(P<0 .01) ,and the serum FA and Vit B12 levels in the cerebral infarction group were (6 .12 ± 2 .19) ng/mL and (323 .92 ± 133 .79)μmol/L ,which were in the control group lower than (10 .57 ± 5 .70) ng/mL and (530 .85 ± 168 .56)μmol/L in the control group (P<0 .01) .The serum Hcy level in the cerebral infarction group showed the negative correlation with FA and VitB 12 levels ( r1 = - 0 .444 , r2 = -0 .535 ,P<0 .05) .Conclusion High hyperhomocysteinemia is an independent risk factor of cerebral infarction and is related to the decrease of FA and VitB12 .

In this study, an analytical method was developed and used to quantify simultaneously protocatechuic acid, neochlorogenic acid, cryptochlorogenic acid and 1, 3-dicaffeoylquinic acid--four bioactive compounds contained in Fructus Xanthii using UPLC. The contents of four phenolic components of 28 batches of samples collected from different product areas and markets were determined and compared by means of this established method. The mobile phase was composed of methanol and water containing 0.1% phosphoric acid. Chromatography was monitored at dual-wavelengths--220 and 327 nm. Flow rate was 0.4 mL x min(-1) and column temperature was 35 degrees C. The correlation coefficient between concentration and chromatographic peak area of protocatechuic acid, neochlorogenic acid, cryptochlorogenic acid and 1, 3-dicaffeoylquinic acid was over 0.9999 in the range of 0.3570-35.70, 2.500-250.0, 1.060-106.1, 1.010-101.0 microg x mL(-1), respectively. The average recoveries of the four compounds were 97.68%, 99.55%, 97.92% and 100.4%, respectively. In conclusion, the established method can rapidly attain an accurate and reproducible result used to control the quality of Fructus Xanthii.