Analysis of disease burden of occupational pneumoconiosis in Gansu Province from 2010 to 2020 / 中华劳动卫生职业病杂志

Objective: Through comparative analysis of the disease burden of occupational pneumoconiosis in Gansu Province from 2010 to 2020, the main influencing factors are screened, and scientific basis is provided for rational allocation of limited health resources, precise management and policy implementation. Methods: In August 2021, survey and collect information on surviving occupational pneumoconiosis patients and dead occupational pneumoconiosis patients diagnosed in Gansu Province from 2010 to 2020, and analyze and calculate indicators such as morbidity, mortality, and disability adjusted of life years (DALY). Analyzing the influencing factors of disease burden usirrg multiple linear regression. Results: From 2010 to 2020, the average annual incidence of occupational pneumoconiosis in Gansu Province was 0.9992/100000, the average annual mortality was 0.897/100000, the cumulative case fatality rate was 25.75%, and the cumulative DALY was 28932.96 person-years. The first stage of occupational pneumoconiosis was the highest among DALY loss (19920.14 person-years), and the DALY loss was positively correlated with the stage of occupational pneumoconiosis. Among occupational pneumoconiosis in Gansu Province, silicosis (13753.66 person-years) and coal worker's pneumoconiosis (13414.73 person-years) caused the highest disease burden, followed by cement pneumoconiosis and asbestos lung. Period, length of service, type of disease, and region are all influencing factors of DALY loss (P<0.05). Conclusion: From 2010 to 2020, the DALY losses caused by occupational pneumoconiosis in Gansu Province showed a fluctuating decrease, with the composition of DALY mainly changing from the loss of life years due to premature death to the loss of years due to injury and disability.

BIS Monitoring on Intraoperative Awareness: A Meta-analysis / 华中科技大学学报（医学）（英德文版）

Intraoperative awareness is a very serious complication of general anesthesia.Several studies have evaluated the potential association between bispectral index (BIS) and intraoperative awareness,however,the results obtained were controversial.Therefore,we performed a meta-analysis to further assess the association between the BIS monitoring and the incidence of intraoperative awareness.A comprehensive search was conducted to identify all eligible studies from the online literature databases published prior to Feb.2017.A total of five studies with 17 432 cases and 16 749 controls were included.An odds ratio (OR) and a 95％ confidence interval (CI) were calculated to examine the strength of the association.The results showed that in the overall analysis,the association between the BIS monitoring and the incidence of intraoperative awareness was not significant (OR=0.58,95％ CI=0.22-1.58,P=0.29).A stratified analysis by comparing different anesthesia methods revealed that BIS monitoring group showed a lower incidence of intraoperative awareness in patients with intravenous anesthesia when compared with non-BIS monitoring group (OR=0.20,95％ CI=0.08-0.49,P=0.0004),whereas there was no statistically significant difference in the incidence of intraoperative awareness between BIS and non-BIS monitoring groups in patients with inhalation anesthesia (OR=1.13,95％ CI=0.56-2.26,P=0.73).In conclusion,our meta-analysis showed that BIS monitoring had no appreciable advantage in the reduction of the intraoperative awareness incidence in inhalation anesthesia,while showed a remarkable superiority in intravenous anesthesia.

BIS Monitoring on Intraoperative Awareness: A Meta-analysis / 华中科技大学学报（医学）（英德文版）

Intraoperative awareness is a very serious complication of general anesthesia.Several studies have evaluated the potential association between bispectral index (BIS) and intraoperative awareness,however,the results obtained were controversial.Therefore,we performed a meta-analysis to further assess the association between the BIS monitoring and the incidence of intraoperative awareness.A comprehensive search was conducted to identify all eligible studies from the online literature databases published prior to Feb.2017.A total of five studies with 17 432 cases and 16 749 controls were included.An odds ratio (OR) and a 95％ confidence interval (CI) were calculated to examine the strength of the association.The results showed that in the overall analysis,the association between the BIS monitoring and the incidence of intraoperative awareness was not significant (OR=0.58,95％ CI=0.22-1.58,P=0.29).A stratified analysis by comparing different anesthesia methods revealed that BIS monitoring group showed a lower incidence of intraoperative awareness in patients with intravenous anesthesia when compared with non-BIS monitoring group (OR=0.20,95％ CI=0.08-0.49,P=0.0004),whereas there was no statistically significant difference in the incidence of intraoperative awareness between BIS and non-BIS monitoring groups in patients with inhalation anesthesia (OR=1.13,95％ CI=0.56-2.26,P=0.73).In conclusion,our meta-analysis showed that BIS monitoring had no appreciable advantage in the reduction of the intraoperative awareness incidence in inhalation anesthesia,while showed a remarkable superiority in intravenous anesthesia.

Analysis on reproductive health status and influencing factors of female workers of pharmaceutical industry in Gansu province / 中华劳动卫生职业病杂志

<p><b>OBJECTIVE</b>To understand the reproductive health status of female workers in pharmaceutical industry of Gansu Province, to explore influencing factors, and to propose some reference basis of intervening measures.</p><p><b>METHODS</b>The cluster sampling method was used to study 1801 female workers from 16 pharmaceutical industries in 6 cities (Pingliang, Qingyang, Lanzhou, Dingxi, Zhangye and Jiuquan cities) of Gansu Province. The investigation was performed by interviewing and adopting questionnaires.</p><p><b>RESULTS</b>There were the problems of labor and organization, which included the overtime work, continuous work, standing for long periods, rapid monotonous action assignments, the loading work and a variety of harmful factors in the working environment of the pharmaceutical industry in Gansu Province. There were many problems in the reproductive health status of female workers. The morbidities of abnormal menstruation and breast diseases in female workers were 43.25% and 20.43%. The order of high morbidities was hyperplasia of mammary glands (91.30%), breast adenofibroma (5.43%) and mastitis (2.99%). The order of morbidities for three reproductive system disease was adnexitis (21.57%), cervical erosion (20.06%) and vaginitis (11.09%). The rates of abnormal menstrual cycle, abnormal menstrual amount and cervical erosion increased with the length of service (P < 0.01). The taking breaks, long standing, loading work, exposure to harmful factors were related to abnormal menstruation (P < 0.05). The rapid repeat monotonous action was an important influencing factor for female reproductive system disease (OR = 1.255, 95%CI = 1.031 ∼ 1.528).</p><p><b>CONCLUSION</b>There are relatively serious occupational hazards in the pharmaceutical industry of Gansu Province. The reproductive health status of female workers is not improved. Social public should pay attention to the protection for female workers.</p>

The status of occupational health of female migrant workers in traditional Chinese medicine, western medicine and bio-pharmaceutical industry in Gansu province / 中华劳动卫生职业病杂志

<p><b>OBJECTIVE</b>To understand the status of occupational health of female migrant workers in different kinds of pharmaceutical industries in Gansu province and to provide the basis for improving occupational health condition.</p><p><b>METHODS</b>One thousand eight hundreds and one female workers from 16 enterprises were selected by cluster sampling in Gansu province and investigated by interviewing and questionnaires.</p><p><b>RESULTS</b>There were statistical significances of education level, status of residency registrations, employment relationship and occupational hazards among female workers in three types of enterprises (P < 0.05 or P < 0.01). The morbidities of skin disease in female workers for three kinds of enterprises were 4.46%, 2.53% and 3.70%, respectively. The morbidities of reproductive system disease in female workers for three kinds of enterprises were 48.57%, 36.70% and 36.11%, respectively.</p><p><b>CONCLUSION</b>The levels of education and working conditions of female workers in the traditional Chinese medicine, western medicine plants are low. There are more severe occupational hazards in female workers of the traditional Chinese medicine plants.</p>

Effects of the first premolar extraction on the third molar angulation / 华西口腔医学杂志

<p><b>OBJECTIVE</b>To analyze the effects about inclinations of the second and the third molars in patients treated with or without premolar extractions.</p><p><b>METHODS</b>Fifty-six adolescents were chosen and divided into the first premolar extraction and non-extraction groups, 30 and 26 patients respectively. The pre-treatment and post-treatment panoramic radiographs were made. Angles between long axis of the third molar and the occlusal plane (the second molar alike), and long axis of the second and the third molar were measured and evaluated.</p><p><b>RESULTS</b>The maxillary and mandibular third molar angulations were all improved after treatment in two groups. Compared with non-extraction group, the average changes of angle between long axis of the third molar and the occlusal plane increased significantly in maxilla and mandible (P < 0.05). Average changes of angles between long axis of the second and the third molar decreased and had statistically significant difference (P < 0.05). The change of angle between long axis of mandibular second molar and the occlusal plane had statistically significant difference (P < 0.05), but there was no statistically significant difference in maxillary second molar (P > 0.05).</p><p><b>CONCLUSION</b>The first premolar extraction in orthodontic treatment could improve the third molar angulations and it would promote the eruption of the third molar.</p>

The effect of Shen-Fu on gastrointestinal tract injury and its potential mechanism during cardio-pulmonary bypass in patients undergoing cardiac surgery / 中华创伤杂志(英文版)

<p><b>OBJECTIVE</b>To investigate the effect of Shen-Fu (SF) injection on gastrointestinal tract injury and its potential mechanism.</p><p><b>METHODS</b>Thirty-eight patients undergoing elective open heart surgery were assigned to Group C (control group, n=18) and Group SF (n=20) randomly. In Group SF, the patients received intravenous injection of SF (0.5 ml/kg) at the beginning of the surgery followed by a continuous infusion of 100 ml SF (1.0 ml/kg) solution diluted by saline at a rate of 0.004 ml x Kg(-1) x min(-1) with a Grasby pump. The control group was injected with normal saline in the same volume. Gastric intramucosal pH (pHi), activity of blood diamine oxidase (DAO), and concentrations of blood LPS and IL-6 were measured before CPB (S0) and 1 h (S1) and 2 h (S2) after aortic declamping, respectively.</p><p><b>RESULTS</b>In Group C, pHi value was significantly lower at S1 and S2 than at S0 (mean P<0.01) and blood DAO and concentrations of LPS and IL-6 were significantly higher at S1 and S2 than at S0 (mean P<0.01). In Group SF, pHi was obviously lower at S1 and S2 than at S0 (P<0.05) but LPS and IL-6 levels and DAO were higher at S0 (mean P<0.05). Blood DAO and LPS level demonstrated significant negative correlations with pHi (mean P<0.01) while LPS concentration showed a positive correlation with blood DAO (P<0.01) and IL-6 concentration (P<0.05). At S1 and S2 after aortic declamping, the levels of pHi were higher in Group SF than in Group C (mean P<0.01 ) but DAO and LPS and IL-6 levels were significantly lower in Group SF than in Group C (P<0.01).</p><p><b>CONCLUSIONS</b>SF has a protective effect on gastrointestinal tract and can reduce inflammatory actions.</p>