1.A prospective study of impact of spicy food intake on risk for cardio/cerebrovascular disease in residents aged 30-79 years
Ziyang LUO ; Xiaofang CHEN ; Xiaofang CHEN ; Xia WU ; Xiaoyu CHANG ; Zhuo WANG ; Xueli ZHANG ; Jun LYU ; Canqing YU ; Pei PEI ; Dianjianyi SUN ; Xianping WU
Chinese Journal of Epidemiology 2025;46(7):1150-1159
Objective:To explore the association between spicy food intake and the risk for cardio/cerebrovascular diseases.Methods:Data were collected from the China Kadoorie Biobank project conducted in Pengzhou, Sichuan Province. Using the Cox proportional hazards regression model, we analyzed the associations of the frequency of spicy food intake, spicy level, types of spicy food, and the age when regular intake of spicy food began (intake in 1 day/week), with the risk for cardio/cerebrovascular disease. Furthermore, the associations with the risks for ischemic heart disease (IHD) and cerebrovascular diseases, as well as the risk of ischemic stroke (IS) and hemorrhagic stroke (HS) were analyzed.Results:A total of 54 859 study participants were included in the study, in whom 49 320 had spicy food intake (89.90%). In these participants, 37 680 (68.69%) had spicy food intake in 6-7 days/week, 5 036 (9.18%) had spicy food intake in 1-5 days/week, and 6 604 (12.03%) had spicy food intake once a week; 5 539 (10.10%) had never/almost never had spicy food intake. After adjusting for multiple confounding factors, compared with those who never/almost never had spicy food intake, intake of spicy food was associated with reduced risks for IHD (intake in 6-7 days/week: HR=0.86, 95% CI: 0.78-0.95), cerebrovascular diseases (intake in 6-7 days/week: HR=0.88, 95% CI: 0.81-0.96), and IS (intak in 6-7 days/week: HR=0.85, 95% CI: 0.76-0.95). With the increase of spicy food intake frequency, the risk for cardio/cerebrovascular disease decreased (intake in 1-5 days/week: HR=0.91, 95% CI: 0.85-0.98; intake in 6-7 days/week: HR=0.89, 95% CI: 0.84-0.94) (trend test P<0.001). However, no statistical association was found between spicy food intake and the risk for HS. In terms of spicy level, after adjusting for multiple confounding factors, compared with those who never/almost never had spicy food intake, intake of spicy food was associated with reduced risk for cardio/cerebrovascular disease (moderate: HR=0.86, 95% CI: 0.82-0.90) and cerebrovascular disease (moderate: HR=0.90, 95% CI: 0.84-0.97). With the increase of spicy level, the risk for IHD decreased (moderate: HR=0.86, 95% CI: 0.79-0.93; strong: HR=0.84, 95% CI: 0.74-0.95) (trend test P<0.001). After adjusting for multiple confounding factors, compared with those who never/almost never had spicy food intake, intake of any type of spicy food was associated with reduced risk for cardio/cerebrovascular disease, IHD, and cerebrovascular disease. Regulat intake of spicy food from age 0-10 years was associated with reduced risk for cardio/cerebrovascular disease, IHD, and cerebrovascular disease. Regular intake of spicy food from age 11-20 years reduced the risk for cardio/cerebrovascular disease and IHD. There was no significant association between the regular intake of spicy food from age 21-79 years and the risks for cardio/cerebrovascular disease, IHD and cerebrovascular disease. Conclusion:The intake of spicy food could reduced the risk for cardio/cerebrovascular diseases, IHD, cerebrovascular diseases and IS in residents aged 30-79 years in Sichuan.
2.A prospective study of the effect of physical activity on mortality risk in patients with chronic obstructive pulmonary disease in Sichuan Province
Ying ZHANG ; Xiaofang CHEN ; Xiaofang CHEN ; Xia WU ; Xiaoyu CHANG ; Zhuo WANG ; Xu HAN ; Jun LYU ; Canqing YU ; Pei PEI ; Dianjianyi SUN ; Xianping WU
Chinese Journal of Epidemiology 2025;46(8):1347-1353
Objective:To investigate the effect of physical activity on mortality risk in patients with chronic obstructive pulmonary disease (COPD) in Sichuan Province.Methods:Based on baseline data from 2004 to 2008 from the China Kadoorie Biobank project site in Pengzhou City, Sichuan Province, a total of 8 501 COPD patients aged 30-79 years were enrolled and followed up for a long period to determine mortality outcomes. Quartiles were used to group physical activity levels. The Cox proportional hazards regression model was used to analyze the effect of physical activity level on mortality outcomes.Results:As of December 31, 2017, the cumulative follow-up of the participants totaled 85 600.58 person-years (mean follow-up duration: 10.07 years). During this period, a total of 2 000 deaths were recorded, yielding a cumulative mortality rate of 23.53%. Among these deaths, 665 were attributed to COPD, corresponding to a cumulative mortality rate of 7.82%; and 1 116 were attributed to cardiovascular and cerebrovascular disease (CVD), corresponding to a cumulative mortality rate of 13.13%. The Cox proportional hazards regression model analysis revealed that, after adjusting for confounding factors, total physical activity was associated with a reduced risk of mortality from COPD, CVD, and all causes in patients with COPD. Compared with the low-level group of total physical activity, the medium-high-level group had the lowest risk of COPD mortality, with an HR of 0.39 (95% CI: 0.30-0.49). The high-level group had the lowest risk of CVD death and all-cause death, with HRs of 0.46 (95% CI: 0.37-0.56) and 0.55 (95% CI: 0.48-0.64), respectively. The lowest risk of COPD death and CVD death was found in the medium-high level of work-based physical activity group, with HRs of 0.36 (95% CI: 0.28-0.46) and 0.43 (95% CI: 0.36-0.51), respectively; the risk of all-cause mortality was lowest in the medium-high and high-level groups, with HRs values of 0.53 (95% CI: 0.46-0.61) and 0.53 (95% CI: 0.45-0.61). The risk of COPD death was lowest in the high-level transportation physical activity group, with an HR of 0.66 (95% CI: 0.53-0.83), and the risk of CVD and all-cause death was lowest in the medium-high level group, with HRs of 0.63 (95% CI: 0.53-0.76) and 0.73 (95% CI: 0.64-0.84), respectively. The risk of COPD death and CVD death was the lowest in the high-level domestic physical activity group, with HRs of 0.66 (95% CI: 0.49-0.89) and 0.76 (95% CI: 0.61-0.95), respectively, and the risk of all-cause death was the lowest in the medium-high level group, with an HR of 0.82 (95% CI: 0.72-0.94). There is no statistical association between leisure physical activity and the risk of death from three types of diseases. Conclusions:Total physical activity, including work-based, transportation-based, and domestic physical activity, reduced the risk of COPD, CVD, and all-cause mortality in patients with COPD in Sichuan Province. The magnitude of mortality risk was influenced by the type and level of physical activity.
3.Value of atherosclerotic index of plasma in predicting risk of coronary heart disease in patients with nonalcoholic fatty liver disease
Shumin YUAN ; Xiaofang OUYANG ; Hao QIN ; Dongsheng LI ; Ting ZHAN ; Meng LIU ; Zheng HAN ; Xia TIAN
Journal of Clinical Medicine in Practice 2025;29(11):55-60
Objective To investigate the predictive value of atherosclerotic index of plasma(AIP)for the risk of coronary heart disease(CHD)in patients with nonalcoholic fatty liver disease(NAFLD).Methods A retrospective analysis was conducted in 299 patients with NAFLD.Based on presence or absence of CHD,the patients were divided into NAFLD with CHD group(n=177)and NAFLD group(n=122).Clinical data were collected from both groups,and AIP was calculat-ed.Multivariate Logistic regression analysis was performed to explore the independent risk factors for CHD in patients with NAFLD.Receiver operating characteristic(ROC)curves were plotted to evalu-ate the predictive value of AIP for the risk of CHD in patients with NAFLD.Results The NAFLD with CHD group had a higher proportion of males,smokers,and higher levels of alanine aminotrans-ferase(ALT),aspartate aminotransferase(AST),fasting plasma glucose(FPG),triglycerides(TG),low-density lipoprotein cholesterol(LDL-C),γ-glutamyltransferase(GGT),uric acid(UA),and AIP than the NAFLD group.The NAFLD with CHD group also had lower levels of high-density lipoprotein cholesterol(HDL-C)than the NAFLD group(P<0.05).Multivariate Logistic regression analysis revealed that males(OR=2.548,95%CI,1.402 to 4.632,P=0.002),high levels of AST(OR=1.038,95%CI,1.002 to 1.077,P=0.041),high levels of LDL-C(OR=1.811,95%CI,1.242 to 2.640,P=0.002),and high AIP(OR=16.117,95%CI,1.874 to 138.609,P=0.011)were independent risk factors for CHD in patients with NAFLD(P<0.05).ROC curve analysis showed that AIP had an area under the curve of 0.746(95%CI,0.688 to 0.804)for pre-dicting CHD in patients with NAFLD,with a sensitivity of 76.3%and a specificity of 73.0%.Conclusion AIP is an independent influencing factor for CHD in patients with NAFLD and has certain predictive value for the risk of CHD in these patients.
4.Acupoint thread-embedding therapy of regulating governor vessel, dispersing lung, and suppressing reflux for gastroesophageal reflux cough: a randomized controlled trial.
Mingjie TANG ; Wen LU ; Xiaoni ZHANG ; Jiawei GAO ; Xinchang WEI ; Jin LU ; Jia ZHU ; Yulu FENG ; Lejing JIAO ; Xiaofang XIA ; Zhi ZHOU ; Zhaoming CHEN
Chinese Acupuncture & Moxibustion 2025;45(8):1047-1052
OBJECTIVE:
To observe the clinical efficacy of acupoint thread-embedding therapy of regulating governor vessel, dispersing lung, and suppressing reflux for gastroesophageal reflux cough (GERC).
METHODS:
A total of 120 GERC patients were randomly assigned to an observation group (60 cases, 1 case dropped out) and a control group (60 cases, 1 case was eliminated). The observation group received acupoint thread-embedding treatment at positive response points of governor vessel. If no such points were detected, the following acupoints were used: Dazhui (GV14), Fenghu (Extra), Shendao (GV11), Lingtai (GV10), and Zhiyang (GV9). Treatment was administered once every two weeks. The control group received oral rabeprazole enteric capsules at 20 mg twice daily. All the treatment was given for 6 weeks. Clinical outcomes were assessed using cough symptom score, reflux disease questionnaire (RDQ) score, and Leicester cough questionnaire (LCQ) score before and after treatment in the two groups. Clinical efficacy was also compared between the two groups.
RESULTS:
After treatment, both groups showed decreased cough symptom scores and the each item scores and total scores of RDQ (P<0.001), and increased LCQ scores (P<0.001) compare with those before treatment. The observation group exhibited lower cough symptom score and chest pain, reflux and total score of RDQ, and higher LCQ score compared to those in the control group (P<0.05). The total effective rate in the observation group was 94.9% (56/59), which was higher than 84.7% (50/59) in the control group (P<0.05).
CONCLUSION
Acupoint thread-embedding therapy of regulating governor vessel, dispersing lung, and suppressing reflux could effectively alleviate cough and reflux symptoms in patients with GERC and improve their quality of life.
Humans
;
Acupuncture Points
;
Gastroesophageal Reflux/physiopathology*
;
Male
;
Female
;
Cough/physiopathology*
;
Middle Aged
;
Aged
;
Acupuncture Therapy
;
Adult
;
Treatment Outcome
;
Lung/physiopathology*
;
Meridians
5.The developmental trajectory and influencing factors of kinesiophobia among post-percutaneous coronary intervention patients
Ruinan XIA ; Rui WANG ; Junfeng ZHANG ; Xiaofang ZOU ; Runfeng ZOU
Chinese Journal of Behavioral Medicine and Brain Science 2025;34(1):43-50
Objective:To explore the developmental trajectory and influencing factors of kinesiophobia in patients undergoing percutaneous coronary intervention (PCI) .Methods:By convenient sampling, totally 217 patients undergoing PCI who enrolled from two tertiary hospitals in Guangdong Province from March 2022 to July 2023. The demographic data of the patients was collected , and kinesiophobia was measured using the Tampa scale for kinesiophobia heart(TSK-SV-Heart) at one day pre-discharge, 2 weeks, 1 month, and 4 months post-discharge. Data analysis was conducted using SPSS 25.0 and Mplus 8.7 softwares. Growth mixture modelling, chi-square test, and polynomial Logistic regression were used for data processing and analysis.Results:Three different kinesiophobia trajectory classes were identified in patients within 4 months after PCI: sustained high level of kinesiophobia group (C1 group, 22.6%(49/217)), moderate level of kinesiophobia with a rapid decrease group (C2 group, 47.4%(103/217)), and rapid decrease of kinesiophobia followed an increase group (C3 group, 30.0%(65/217)). Polynomial Logistic regression results showed that, females ( B=1.136, OR=3.113, 95% CI=1.155-8.389) , patients with NYHA Ⅱ/Killip class Ⅱ or above ( B=1.135, OR=3.112, 95% CI=1.380-7.017) were more likely to develop into the C1 compared with the C2 group. Compared with the C3 group, patients with NYHA Ⅱ/Killip class Ⅱ or above ( B=3.322, OR=27.712, 95% CI=5.251-146.244), and patients with coronary heart disease(CHD) more than two years ( B=3.855, OR=47.250, 95% CI=2.146-1 040.535)were more likely to develop into the C1 group. Compared with the C3 group, patients with NYHA Ⅱ/Killip class Ⅱ or above ( B=-2.187, OR=0.112, 95% CI=0.022-0.565), patients with three or more comorbidities ( B=-2.711, OR=0.066, 95% CI=0.008-0.528), and patients with CHD more than two years ( B=-2.376, OR=0.093, 95% CI=0.011-0.783) were more likely to develop into the C2 group. Conclusion:Kinesiophobia level in patients undergoing PCI presents a curvilinear decrease within 4 months after PCI.Different kinesiophobia trajectory classes can be observed. Sex, NYHA/Killip class, course of CHD, and comorbidity affect the development trajectory of different subgroups.
6.A prospective study of impact of spicy food intake on risk for cardio/cerebrovascular disease in residents aged 30-79 years
Ziyang LUO ; Xiaofang CHEN ; Xiaofang CHEN ; Xia WU ; Xiaoyu CHANG ; Zhuo WANG ; Xueli ZHANG ; Jun LYU ; Canqing YU ; Pei PEI ; Dianjianyi SUN ; Xianping WU
Chinese Journal of Epidemiology 2025;46(7):1150-1159
Objective:To explore the association between spicy food intake and the risk for cardio/cerebrovascular diseases.Methods:Data were collected from the China Kadoorie Biobank project conducted in Pengzhou, Sichuan Province. Using the Cox proportional hazards regression model, we analyzed the associations of the frequency of spicy food intake, spicy level, types of spicy food, and the age when regular intake of spicy food began (intake in 1 day/week), with the risk for cardio/cerebrovascular disease. Furthermore, the associations with the risks for ischemic heart disease (IHD) and cerebrovascular diseases, as well as the risk of ischemic stroke (IS) and hemorrhagic stroke (HS) were analyzed.Results:A total of 54 859 study participants were included in the study, in whom 49 320 had spicy food intake (89.90%). In these participants, 37 680 (68.69%) had spicy food intake in 6-7 days/week, 5 036 (9.18%) had spicy food intake in 1-5 days/week, and 6 604 (12.03%) had spicy food intake once a week; 5 539 (10.10%) had never/almost never had spicy food intake. After adjusting for multiple confounding factors, compared with those who never/almost never had spicy food intake, intake of spicy food was associated with reduced risks for IHD (intake in 6-7 days/week: HR=0.86, 95% CI: 0.78-0.95), cerebrovascular diseases (intake in 6-7 days/week: HR=0.88, 95% CI: 0.81-0.96), and IS (intak in 6-7 days/week: HR=0.85, 95% CI: 0.76-0.95). With the increase of spicy food intake frequency, the risk for cardio/cerebrovascular disease decreased (intake in 1-5 days/week: HR=0.91, 95% CI: 0.85-0.98; intake in 6-7 days/week: HR=0.89, 95% CI: 0.84-0.94) (trend test P<0.001). However, no statistical association was found between spicy food intake and the risk for HS. In terms of spicy level, after adjusting for multiple confounding factors, compared with those who never/almost never had spicy food intake, intake of spicy food was associated with reduced risk for cardio/cerebrovascular disease (moderate: HR=0.86, 95% CI: 0.82-0.90) and cerebrovascular disease (moderate: HR=0.90, 95% CI: 0.84-0.97). With the increase of spicy level, the risk for IHD decreased (moderate: HR=0.86, 95% CI: 0.79-0.93; strong: HR=0.84, 95% CI: 0.74-0.95) (trend test P<0.001). After adjusting for multiple confounding factors, compared with those who never/almost never had spicy food intake, intake of any type of spicy food was associated with reduced risk for cardio/cerebrovascular disease, IHD, and cerebrovascular disease. Regulat intake of spicy food from age 0-10 years was associated with reduced risk for cardio/cerebrovascular disease, IHD, and cerebrovascular disease. Regular intake of spicy food from age 11-20 years reduced the risk for cardio/cerebrovascular disease and IHD. There was no significant association between the regular intake of spicy food from age 21-79 years and the risks for cardio/cerebrovascular disease, IHD and cerebrovascular disease. Conclusion:The intake of spicy food could reduced the risk for cardio/cerebrovascular diseases, IHD, cerebrovascular diseases and IS in residents aged 30-79 years in Sichuan.
7.A prospective study of the effect of physical activity on mortality risk in patients with chronic obstructive pulmonary disease in Sichuan Province
Ying ZHANG ; Xiaofang CHEN ; Xiaofang CHEN ; Xia WU ; Xiaoyu CHANG ; Zhuo WANG ; Xu HAN ; Jun LYU ; Canqing YU ; Pei PEI ; Dianjianyi SUN ; Xianping WU
Chinese Journal of Epidemiology 2025;46(8):1347-1353
Objective:To investigate the effect of physical activity on mortality risk in patients with chronic obstructive pulmonary disease (COPD) in Sichuan Province.Methods:Based on baseline data from 2004 to 2008 from the China Kadoorie Biobank project site in Pengzhou City, Sichuan Province, a total of 8 501 COPD patients aged 30-79 years were enrolled and followed up for a long period to determine mortality outcomes. Quartiles were used to group physical activity levels. The Cox proportional hazards regression model was used to analyze the effect of physical activity level on mortality outcomes.Results:As of December 31, 2017, the cumulative follow-up of the participants totaled 85 600.58 person-years (mean follow-up duration: 10.07 years). During this period, a total of 2 000 deaths were recorded, yielding a cumulative mortality rate of 23.53%. Among these deaths, 665 were attributed to COPD, corresponding to a cumulative mortality rate of 7.82%; and 1 116 were attributed to cardiovascular and cerebrovascular disease (CVD), corresponding to a cumulative mortality rate of 13.13%. The Cox proportional hazards regression model analysis revealed that, after adjusting for confounding factors, total physical activity was associated with a reduced risk of mortality from COPD, CVD, and all causes in patients with COPD. Compared with the low-level group of total physical activity, the medium-high-level group had the lowest risk of COPD mortality, with an HR of 0.39 (95% CI: 0.30-0.49). The high-level group had the lowest risk of CVD death and all-cause death, with HRs of 0.46 (95% CI: 0.37-0.56) and 0.55 (95% CI: 0.48-0.64), respectively. The lowest risk of COPD death and CVD death was found in the medium-high level of work-based physical activity group, with HRs of 0.36 (95% CI: 0.28-0.46) and 0.43 (95% CI: 0.36-0.51), respectively; the risk of all-cause mortality was lowest in the medium-high and high-level groups, with HRs values of 0.53 (95% CI: 0.46-0.61) and 0.53 (95% CI: 0.45-0.61). The risk of COPD death was lowest in the high-level transportation physical activity group, with an HR of 0.66 (95% CI: 0.53-0.83), and the risk of CVD and all-cause death was lowest in the medium-high level group, with HRs of 0.63 (95% CI: 0.53-0.76) and 0.73 (95% CI: 0.64-0.84), respectively. The risk of COPD death and CVD death was the lowest in the high-level domestic physical activity group, with HRs of 0.66 (95% CI: 0.49-0.89) and 0.76 (95% CI: 0.61-0.95), respectively, and the risk of all-cause death was the lowest in the medium-high level group, with an HR of 0.82 (95% CI: 0.72-0.94). There is no statistical association between leisure physical activity and the risk of death from three types of diseases. Conclusions:Total physical activity, including work-based, transportation-based, and domestic physical activity, reduced the risk of COPD, CVD, and all-cause mortality in patients with COPD in Sichuan Province. The magnitude of mortality risk was influenced by the type and level of physical activity.
8.The developmental trajectory and influencing factors of kinesiophobia among post-percutaneous coronary intervention patients
Ruinan XIA ; Rui WANG ; Junfeng ZHANG ; Xiaofang ZOU ; Runfeng ZOU
Chinese Journal of Behavioral Medicine and Brain Science 2025;34(1):43-50
Objective:To explore the developmental trajectory and influencing factors of kinesiophobia in patients undergoing percutaneous coronary intervention (PCI) .Methods:By convenient sampling, totally 217 patients undergoing PCI who enrolled from two tertiary hospitals in Guangdong Province from March 2022 to July 2023. The demographic data of the patients was collected , and kinesiophobia was measured using the Tampa scale for kinesiophobia heart(TSK-SV-Heart) at one day pre-discharge, 2 weeks, 1 month, and 4 months post-discharge. Data analysis was conducted using SPSS 25.0 and Mplus 8.7 softwares. Growth mixture modelling, chi-square test, and polynomial Logistic regression were used for data processing and analysis.Results:Three different kinesiophobia trajectory classes were identified in patients within 4 months after PCI: sustained high level of kinesiophobia group (C1 group, 22.6%(49/217)), moderate level of kinesiophobia with a rapid decrease group (C2 group, 47.4%(103/217)), and rapid decrease of kinesiophobia followed an increase group (C3 group, 30.0%(65/217)). Polynomial Logistic regression results showed that, females ( B=1.136, OR=3.113, 95% CI=1.155-8.389) , patients with NYHA Ⅱ/Killip class Ⅱ or above ( B=1.135, OR=3.112, 95% CI=1.380-7.017) were more likely to develop into the C1 compared with the C2 group. Compared with the C3 group, patients with NYHA Ⅱ/Killip class Ⅱ or above ( B=3.322, OR=27.712, 95% CI=5.251-146.244), and patients with coronary heart disease(CHD) more than two years ( B=3.855, OR=47.250, 95% CI=2.146-1 040.535)were more likely to develop into the C1 group. Compared with the C3 group, patients with NYHA Ⅱ/Killip class Ⅱ or above ( B=-2.187, OR=0.112, 95% CI=0.022-0.565), patients with three or more comorbidities ( B=-2.711, OR=0.066, 95% CI=0.008-0.528), and patients with CHD more than two years ( B=-2.376, OR=0.093, 95% CI=0.011-0.783) were more likely to develop into the C2 group. Conclusion:Kinesiophobia level in patients undergoing PCI presents a curvilinear decrease within 4 months after PCI.Different kinesiophobia trajectory classes can be observed. Sex, NYHA/Killip class, course of CHD, and comorbidity affect the development trajectory of different subgroups.
9.Clinicopathological features of intravascular large B-cell lymphoma and collision tumors of five cases
Jia LIU ; Guangzhen LIU ; Lei XIA ; Hongyan WANG ; Xiaofang ZHANG ; Hui LIU
Chinese Journal of Pathology 2024;53(1):22-28
Objective:To investigate the clinicopathological characteristics, diagnosis and differential diagnosis of intravascular large B-cell lymphoma (IVLBCL) and its collision tumors.Methods:Five cases of IVLBCL were collected, including 2 cases of collision tumors, and 1 case complicated with liver cirrhosis. The morphology and immunophenotype were analyzed. The related literature was reviewed.Results:There were 2 females and 3 males, aged from 53 to 73 years, with a median age of 65 years. The tumors were located in the lower extremities, right cerebellar hemisphere, left kidney, bilateral nasal cavity, and liver, respectively. Cases 2 and 3 were incidentally found in meningioma and renal cell carcinoma tissues, respectively. Case 5 had a background of liver cirrhosis. Morphologically, atypical large lymphoid cells were located in small blood vessels and capillary lumen, with little cytoplasm, hyperchromasia, prominent nucleoli, and obvious mitotic figures. Immunohistochemically, the IVLBCL tumor cells expressed CD20 and PAX5; 2 cases were CD5 positive. One of the 5 cases was GCB phenotype, and 4 cases were non-GCB phenotype. All cases expressed C-MYC (positive rate was 10%-40%). PD-L1 was positive in 4 cases (positive rate was 60%-90%). Ki-67 proliferation index was 70%-90%. CKpan, CD3, TDT, and CD34 were negative. In case 2, meningioma cells were positive for PR, EMA, and vimentin, but negative for CKpan and PD-L1. In case 3, renal carcinoma cells were positive for CKpan, PAX8, EMA, vimentin, CAⅨ and CD10, while PD-L1 was negative. No EBER expression (by in situ hybridization) or C-MYC gene translocation (FISH, break-apart probe) was detected in any of the 5 cases. Three patients were followed up, and all died within 1-13 months.Conclusions:IVLBCL is a highly aggressive lymphoma, with occult clinical manifestations and poor prognosis. Collision tumors of IVLBCL are extremely rare. A better understanding of IVLBCL would help pathologists avoid misdiagnoses.
10.A prospective study on the relationship between exposure to solid fuels for heating and its duration and the risk of morbidity of respiratory diseases among residents aged 30-79 years
Song ZHANG ; Xiaofang CHEN ; Xiaofang CHEN ; Xia WU ; Xiaoyu CHANG ; Jun LYU ; Canqing YU ; Pei PEI ; Dianjianyi SUN ; Xianping WU
Chinese Journal of Epidemiology 2024;45(4):490-497
Objective:To research the association between exposure to solid fuels for heating and its duration and the risk of respiratory diseases morbidity.Methods:Data from the China Kadoorie Biobank project sited in Pengzhou City, Sichuan Province. Cox proportional hazard regression model was used to analyze the association between exposure to solid fuels for heating and its duration and the risk of total respiratory diseases and the association between exposure to solid fuels for heating and the risk of chronic obstructive pulmonary disease (COPD) and pneumonia among respiratory diseases.Results:A total of 46 082 participants aged 30-79 years were enrolled, with 11 634 (25.25%) heating during the winter, of whom 8 885 (19.28%) used clean fuels and 2 749 (5.97%) used solid fuels, of whom 34 448 (74.75%) did not heat. After controlling for multiple confounding factors, Cox proportional hazard regression model was used, which revealed that compared with clean fuels, unheating could reduce the risk of total respiratory disease ( HR=0.81,95% CI:0.77-0.86), COPD ( HR=0.86,95% CI:0.78-0.95) and pneumonia ( HR=0.80,95% CI:0.74-0.86), respectively. Exposure to solid fuels increased the risk of total respiratory disease ( HR=1.10, 95% CI:1.01-1.20) and were not associated with COPD and pneumonia. Compared with no solid fuel exposure, the risk of total respiratory disease (1-19 years: HR=1.23, 95% CI:1.10-1.37; 20-39 years: HR=1.25, 95% CI:1.16-1.35; ≥40 years: HR=1.26, 95% CI:1.15-1.39) and COPD (1-19 years: HR=1.21, 95% CI:1.03-1.42; 20-39 years: HR=1.30, 95% CI:1.16-1.46; ≥40 years: HR=1.35, 95% CI:1.18-1.54) increased with the length of exposure of solid fuels (trend test P<0.001). Solid fuels exposure for 1-19 years and 20-39 years increased the risk of COPD by 23% ( HR=1.23,95% CI:1.02-1.49) and 16% ( HR=1.16, 95% CI:1.00-1.35). Conclusion:Heating solid fuels exposure increases the risk of total respiratory disease, COPD, and pneumonia.

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