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Zeng Q, Li R, Li Y, Yang M, Sun Q, Yang H. Recognition of a quasi-static region in a granular bed impacted with a sphere. POWDER TECHNOL 2022. [DOI: 10.1016/j.powtec.2022.117612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hu K, Sarah H, Li R, Ben W M. P-712 Optimal interval time between embryo freezing and embryo transfer in women undergoing freezing-all embryo transfer. Hum Reprod 2022. [DOI: 10.1093/humrep/deac107.660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Study question
In women having a freeze all cycle, does the time frame between freezing and the final embryo transfer matter?
Summary answer
Women undergoing a freeze all embryo transfer cycle may benefit from a three to four months interval between embryo freezing and embryo transfer.
What is known already
A freeze all embryo cycle strategy is increasingly employed in assisted reproductive technology (ART) practice. The time needed for the endometrium to the optimal receptivity after ovarian stimulation and the effects of prolonged vitrification on embryo viability and subsequent implantation potential remains unclear.
Study design, size, duration
A single-center retrospective cohort study was performed in Peking University Third Hospital. Women who underwent their first vitrified-warmed cycles from January 2013 to December 2019 were included.
Participants/materials, setting, methods
Women were divided into eight categories according to the frozen time of transferred embryos: Group 1, 0.8-1.0 months; Group 2, 1.1-2.0 months; Group 3, 2.1-3.0 months; Group 4, 3.1-4.0 months; Group 5, 4.1-5.0 months; Group 6, 5.1-6.0 months; Group 7, 6.1-12.0 months; Group 8, 12.1-max months. Multivariate logistic regression was used to test the risk of factors with the expression of crude odds ratios (OR) and adjusted OR (aOR) with 95% confidence intervals (CI).
Main results and the role of chance
A total of 14,928 women who underwent freeze-all treatment were eligible for analysis. Stratifications of embryo storage time showed that group 3, group 4, and group 5 were associated with the higher live birth rate (42%, 41%, 42%) with live birth rates in group 1 at 35% (aOR=0.82 (0.68, 1.02)), group 2 at 38% (aOR=0.91 (0.81, 1.01)), group 6 at 39% (aOR=0.94 (0.79, 1.12)), group 7 at 34% (aOR= 0.83 (0.71, 0.96)), group 8 at 30% (aOR= 0.68 (0.52, 0.90)). The results were confirmed by an inverted U curve in the restricted cubic splines before as well as after adjustment for covariables, which suggested that an embryo storage time of 3-4 months was associated with the highest live birth rate. Subgroup analysis demonstrated that the inverted U curve relationship between embryo storage time and live birth rate was enhanced in women with the high response, with a significantly higher live birth rate in group 5 in women with high response (aOR= 1.19 (1.00, 1.41)). Once pregnancy had occurred, there was no difference in neonatal outcomes between the groups, except a higher risk of preterm birth in group 1 (13%).
Limitations, reasons for caution
The main limitation of our study was its retrospective nature. Even we have adjusted available covariates in the multivariate analysis and have conducted several sensitivity analysis, there is the possibility of residual confounding and unmeasured confounders. Our findings should be tested in large randomized clinical trials.
Wider implications of the findings
Women may benefit from a 3-4 months delay prior to embryo transfer in freeze-all cycles, particularly in women with number of oocytes retrieved higher than 20. Prolonged storage time of greater than 6 months was associated with lower pregnancy rates but not adverse perinatal outcomes.
Trial registration number
NA
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Liu F, Yang S, Yu Y, Li R. O-304 An altered microbiota in the lower and upper female reproductive tract of women with recurrent spontaneous abortion. Hum Reprod 2022. [DOI: 10.1093/humrep/deac106.097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Study question
Whether the vagina, cervical and uterine microbiota have changed in women with recurrent spontaneous abortion (RSA).
Summary answer
An altered microbial biodiversity in the vagina, cervix and uterine lavage fluid in the RSA group was observed.
What is known already
An obstacle to pregnancy, RSA can be caused by a variety of factors, including genetics, uterine anomalies, autoimmune diseases, and infection. However, the current understanding of the etiology of RSA is still lacking, and half of cases have unknown causes. Studies have demonstrated that two genera (Atopobium and Prevotella) exhibited significantly greater abundance. The characteristics of the microbiota harbored in vaginal secretions in RSA have been revealed but less attention has been given to the cervical and uterine microbiota in RSA patients.
Study design, size, duration
Samples were collected (RSA group: n = 25; Control group: n = 25) in Peking University Third Hospital from December 2020 to June 2021.
Participants/materials, setting, methods
Women with two or more consecutive spontaneous abortions were included. Microbiota compositions were acquired and analyzed by16S rRNA sequencing and Th1/Th2/Th17 inflammation cytokines level of uterine flush fluid were tested.
Main results and the role of chance
Beta diversity was significantly higher in the RSA group than in the control group in the vaginal microbiota (p = 0.036), cervical microbiota (p = 0.010) and microbiota from uterine lavage fluid (p = 0.001). In addition, dramatic decreases in IFN-γ and IL-6 cytokine levels were observed in the RSA group. In conclusion, our data suggested altered microbial biodiversity in the vagina, cervix and uterine lavage fluid in the RSA group. Moreover, the microbiota composition differed markedly from the lower genital tract to the uterine cavity, and the microbiota in the uterine cavity also distinctly varied between endometrial tissue and uterine lavage fluid in the RSA group (p = 0.001).
Limitations, reasons for caution
Due to the limitations of 16S rRNA sequencing, only relative rather than absolute abundances of the microbiota were obtained.
Wider implications of the findings
Our study suggested that significant alterations in the microbial profile of the vagina, cervix and uterine cavity were present in RSA patients, and the key microbiota in different locations of female reproductive tract involved in pathogenic processes were different, which indicated that different treatments should be considered in clinics.
Trial registration number
Not applicable
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Li R. O-114 Preimplantation genetic testing for monogenic diseases without necessary familial members. Hum Reprod 2022. [DOI: 10.1093/humrep/deac105.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Preimplantation genetic testing for monogenic diseases (PGT-M) is available for any single gene defects theoretically, as long as the disease-causing locus has been unequivocally identified. However, PGT-M has faced great challenges for couples with more than one genetic mutation, de novo mutations or without essential family members for linkage analysis. In order to overcome these challenges, we developed a comprehensive strategy which includes preimplantation genetic testing for aneuploidies (PGT-A) and chromosomal structural rearrangements (PGT-SR) study, as well as monogenic diagnosis study for couples bearing de novo mutations or without necessary familial members. The innovation of our strategy is to use the gamete (polar body or single sperm) or embryo as proband for linkage analyses (GEPLA) to detect an embryo’s carrier status. GEPLA strategy uses affected embryo as proband or gametes carrying mutant alleles as proband for SNP linkage analyses, that were suitable for all types of patients mentioned above. Using this novel developed method, nine autosomal dominant polycystic kidney disease (ADPKD) couples with either de novo mutation or without a positive family history were recruited. Moreover, other two couples with single gene disorders (SMA and NF2) which lack of essential family members for linkage analysis including de novo mutation, and also combined with reciprocal translocation were recruited too. For nine ADPKD couples, a total of 34 embryos from 13 PGT-M cycles were examined and two couples were successfully delivered healthy babies. For the other two couples, 15 embryos were screened, and two embryos were determined as free of the monogenic disease and specific chromosomal abnormalities created by reciprocal translocations. This study provides a creative approach for embryo diagnosis of patients with de novo mutations or patients lacking of essential family members for linkage analysis, and even for reciprocal chromosome translocation concurrently.
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Guo X, Li R. 927 MENDELIAN RANDOMIZATION ANALYSIS SHOWS A CAUSAL EFFECT OF NOISE EXPOSURE ON ALZHEIMER’S DISEASE RISK. Age Ageing 2022. [DOI: 10.1093/ageing/afac124.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Introduction
Epidemiological studies suggested that exposure to transportation noise and long-term community noise was associated with a higher incidence of dementia, especially Alzheimer’s disease (ad). However, since subjects with low education and low income were also more likely to live or work in noisy environments, the association observed between noise exposure and ad may be distorted by education level, income level, and hearing impairment. Thus, whether noise exposure was causally associated with ad risk remained to be further clarified.
Method
A bidirectional Mendelian randomization (BMR) analysis was performed leveraging genome-wide association studies (GWAS) summary statistics of noise exposure (N = 456,380, UK Biobank) and ad (N = 54,162, IGAP) from the OpenGWAS database. Those single nucleotide polymorphisms (SNPs) with a P value less than 1E-05 were selected as instrumental variables (IVs). The TwoSampleMR package (version 0.5.6) was used to do BMR analysis using the inverse variance weighted (IVW) method with default parameters.
Results
The IVW results howed that exposure to noise at different times of day was causally associated with increased risk of ad (daytime: odds ratio [OR] = 2.2113, P = 0.0326; evening: OR = 2.2127, P = 0.0324; nighttime: OR = 2.2110, P = 0.0326; 16-hour: OR = 2.2114, P = 0.0325; 24-hour: OR = 2.2128, P = 0.0324). No obvious pleiotropic effects and heterogeneity were found in the BMR analysis, suggesting good reliability of the causal effect of noise exposure on ad. Moreover, the BMR results remained significant despite removing IVs associated with an education degree, average income, and hearing impairment. There was no reverse causal effect of ad on noise exposure in BMR analysis, which has been deposited in FigShare (https://figshare.com/s/09e30a1a0ccff450246b).
Conclusion
The results BMR analysis demonstrate that noise exposure is causally associated with an elevated risk of ad, independently of education degree, average income, and hearing impairment. Further studies are needed to confirm the underlying mechanism of this effect.
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Ji Y, Li R, Tian Y, Chen G, Yan A. Classification models and SAR analysis on thromboxane A 2 synthase inhibitors by machine learning methods. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2022; 33:429-462. [PMID: 35678125 DOI: 10.1080/1062936x.2022.2078880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
Thromboxane A2 synthase (TXS) is a promising drug target for cardiovascular diseases and cancer. In this work, we conducted a structure-activity relationship (SAR) study on 526 TXS inhibitors for bioactivity prediction. Three types of descriptors (MACCS fingerprints, ECFP4 fingerprints, and MOE descriptors) were utilized to characterize inhibitors, 24 classification models were developed by support vector machine (SVM), random forest (RF), extreme gradient boosting (XGBoost), and deep neural networks (DNN). Then we reduced the number of fingerprints according to the contribution of descriptors to the models, and constructed 16 extra models on simplified fingerprints. In general, Model_4D built by DNN algorithm and 67 bits MACCS fingerprints performs best. The prediction accuracy of the model on the test set is 0.969, and Matthews correlation coefficient (MCC) is 0.936. The distance between compound and model (dSTD-PRO) was used to characterize the application domain of the model. In the test set of Model_4D, dSTD-PRO of 91.5% compounds is lower than the corresponding training set threshold (threshold0.90 = 0.1055), and the accuracy of these compounds is 0.983. In addition, the important descriptors were summarized and further analyzed. It showed that aromatic nitrogenous heterocyclic groups were beneficial to improve the bioactivity of TXS inhibitors.
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Li R, Zhu X, Liu S, Zhang X, Xie C, Fu Z, Huang A, Sun L, Liu D, Zhao J, Wu L, Qin Z, Li S, Liu Y, Li Z. LB0005 ORELABRUTINIB, AN IRREVERSIBLE INHIBITOR OF BRUTON’S TYROSINE KINASE (BTK), FOR THE TREATMENT OF SYSTEMIC LUPUS ERYTHEMATOSUS (SLE): RESULTS OF A RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, PHASE IB/IIA DOSE-FINDING STUDY. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.5086a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundOrelabrutinib is an oral, highly-selective, irreversible inhibitor of Bruton’s tyrosine kinase (BTK). Orelabrutinib has been approved for the treatment of B cell malignancies in China. Two distinct lupus animal models showed significant efficacy of orelabrutinib in reducing disease activity, which supported the clinical development of orelabrutinib in Systemic Lupus Erythematosus (SLE).ObjectivesThis phase Ib/IIa, randomized, double-blind, placebo-controlled, dose-finding study aimed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), preliminary efficacy and biomarkers of orelabrutinib in patients with mild to moderate SLE who received standard of care (SoC) therapy.MethodsPatients diagnosed with SLE by the ACR classification criteria for ≥ 6 months, who had a SLEDAI-2K score ≥5 at screening, and were autoantibody-positive, were randomized 1:1:1:1 to receive oral orelabrutinib at 50mg, 80mg, 100mg or placebo once daily for 12 weeks, respectively.ResultsThis study randomized 60 patients with 55 patients who completed 12-week treatment. Age at baseline was 33.7±9.8 years and 96.7% were female. Baseline disease characteristics were generally balanced across treatment groups. Adverse events (AEs) were reported in 80%, 93.3% and 100% of orelabrutinib treated patients at doses of 50mg, 80mg and 100mg QD respectively versus 85.5% in placebo group. AEs were mostly mild or moderate. Treatment-related SAEs were reported in 3 patients treated with orelabrutinib, only 1 of which was grade 3. No deaths were reported. The plasma exposure of orelabrutinib (AUC and Cmax) was proportionally increased with doses. Nearly complete BTK occupancy was achieved at all dose levels, and the occupancy lasted for 24 hours without any decrease compared to that at 4 hour post-dosing. In all evaluable patients, the SLE Response Index (SRI)-4 response rates at week 12 were 50.0%, 61.5% and 64.3% in patients treated with orelabrutinib at 50mg (n=14), 80mg (n=13) and 100mg (n=14) respectively, compared with 35.7% in patients treated with placebo (n=14), which indicated the trend of dose-dependent improvement. Among the subgroup of patients with SLEDAI-2K≥8 at screening, SRI-4 response occurred in 70%, 70% and 66.7% of patients treated with orelabrutinib at 50mg (n=10), 80mg (n=10) and 100mg (n=9), respectively, compared with 30% who received placebo (n=10). Trends of reduced proteinuria, anti-dsDNA and IgG, total B cells and increased complements C4 were also observed following orelabrutinib treatment.ConclusionOrelabrutinib was generally safe and well tolerated in patients with SLE. Preliminary results also suggested encouraging efficacy which supports further development of orelabrutinib in larger and longer trials for SLE.Table 1.Efficacy results at week 12.All Evaluable PatientsPlaceboOrelabrutinibOrelabrutinibOrelabrutinib50 mg80 mg100 mgN=5514141314SRI-4 response, n (%)5 (35.7%)7 (50.0%)8 (61.5%)9 (64.3%)Treatment difference vs. PBO (%)14.3%25.8%28.6%SLEDAI-2K≥8, N=391010109SRI-4 response, n (%)3 (30.0%)7 (70.0%)7 (70.0%)6 (66.7%)Treatment difference vs. PBO (%)40.0%40.0%36.7%Note: All evaluable patients at week 12 efficacy data were included in the efficacy analysis.Figure 1.SRI-4 response rates at week 12.Disclosure of InterestsRu Li: None declared, Xiaoxia Zhu: None declared, Shengyun Liu: None declared, Xiao Zhang: None declared, Changhao Xie: None declared, Zili Fu: None declared, Anbin Huang: None declared, Lingyun Sun: None declared, Dongzhou Liu: None declared, Jinxia Zhao: None declared, Lin Wu: None declared, Zhoushuai Qin Employee of: InnoCare Pharma Limited., Sichen Li Employee of: InnoCare pharma Limited., Yaorong Liu Employee of: InnoCare pharma Limited., Zhanguo Li: None declared
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Li R, Huang C, Hong C, Wang J, Li Q, Hu C, Cui H, Dong Z, Zhu H, Liu L, Xiao L. [Impact of nonsteroidal anti-inflammatory drugs on efficacy of anti-PD-1 therapy for primary liver cancer]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2022; 42:698-704. [PMID: 35673913 DOI: 10.12122/j.issn.1673-4254.2022.05.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To assess the impact of nonsteroidal anti-inflammatory drugs (NSAIDs) on clinical outcomes of patients receiving anti-PD-1 immunotherapy for hepatocellular carcinoma. METHODS We conducted a retrospective study among 215 patients with primary liver cancer receiving immunotherapy between June, 2018 and October, 2020. The patients with balanced baseline characteristics were selected based on propensity matching scores, and among them 33 patients who used NSAIDs were matched at the ratio of 1∶3 with 78 patients who did not use NSAIDs. We compared the overall survival (OS), progression-free survival (PFS), and disease control rate (DCR) between the two groups. RESULTS There was no significant difference in OS between the patients using NSAIDs (29.7%) and those who did not use NSAIDs (70.2%). Univariate and multivariate analyses did not show an a correlation of NSAIDs use with DCR (univariate analysis: OR=0.602, 95% CI: 0.299-1.213, P=0.156; multivariate analysis: OR=0.693, 95% CI: 0.330-1.458, P=0.334), PFS (univariate analysis: HR=1.230, 95% CI: 0.789-1.916, P=0.361; multivariate analysis: HR=1.151, 95% CI: 0.732-1.810, P=9.544), or OS (univariate analysis: HR=0.552, 95% CI: 0.208-1.463, P=0.232; multivariate analysis: HR=1.085, 95% CI: 0.685-1.717, P=0.729). CONCLUSION Our results show no favorable effect of NSAIDs on the efficacy of immunotherapy in patients with advanced primary liver cancer, but this finding still needs to be verified by future prospective studies of large cohorts.
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Chen J, Yuan Y, Peng W, Tang Y, Chen X, Wang Y, Shen H, Li R. [Application of three-dimensional visualization technique in laparoscopic D3 radical resection of right colon cancer]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2022; 42:760-765. [PMID: 35673922 DOI: 10.12122/j.issn.1673-4254.2022.05.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To explore the clinical value of three-dimensional (3D) visualization technique in laparoscopic D3 radical resection of right colon cancer. METHODS We retrospectively analyzed the clinical data of 73 patients with right colon cancer undergoing laparoscopic D3 radical operation in our hospital between May, 2019 and March, 2021. Among these patients, 41 underwent enhanced CT examination with 3D visualization reconstruction to guide the actual operation, and 32 underwent enhanced CT examination only before the operation (control group). In 3D visualization group, we examined the coincidence rate between the 3D visualization model and the findings in surgical exploration of the anatomy and variations of the main blood vessels, supplying vessels of the tumor, and the tumor location, and the coincidence rate between the actual surgical plan for D3 radical resection of right colon cancer and the plan formulated based on the 3D model. The operative time, estimated blood loss, unexpected injury of blood vessels, number of harvested lymph nodes, mean time of the first flatus, complications, postoperative hospital stay and postoperative drainage volume were compared between the two groups. RESULTS The operative time was significantly shorter in 3D visualization group than in the control group (P < 0.05). The volume of blood loss, proportion of unexpected injury of blood vessel, the number of harvested lymph nodes, time of the first flatus, proportion of complications, postoperative hospital stay and postoperative drainage volume did not differ significantly between the two groups (P > 0.05). In the 3D visualization group, the 3D visualization model clearly displayed the shape and direction of the colon, the location of the tumor, the anatomy and variation of the main blood vessels and the blood vessels supplying the cancer, and showed a coincidence rate of 100% with the findings by surgical exploration. The surgical plan for D3 radical resection of right colon cancer was formulated based on the 3D model also showed a coincidence rate of 100% with the actual surgical plan. CONCLUSION The 3D visualization reconstruction technique allows clear visualization the supplying arteries of the tumor and their variations to improve the efficiency, safety and accuracy of laparoscopic D3 radical resection of right colon cancer.
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Li R, Qi J, Yang Y, Wu Y, Yin P, Zhou M, Qian Z, LeBaige MH, McMillin SE, Guo H, Lin H. Disease Burden and Attributable Risk Factors of Alzheimer's Disease and Dementia in China from 1990 to 2019. J Prev Alzheimers Dis 2022; 9:306-314. [PMID: 35543004 DOI: 10.14283/jpad.2021.69] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Updated information on the burden of Alzheimer's disease and other forms of dementia are of great importance for evidence-based health care planning. However, such an estimate has been lacking in Chinese populations at both national and provincial levels. OBJECTIVE To estimate the temporal trends and the attributable burdens of selected risk factors of Alzheimer's disease and other forms of dementia in China. DESIGN, SETTING, AND PARTICIPANTS This is an observational description of the Global Burden of Diseases Study 2019 (GBD 2019). Data on incidence, mortality, prevalence, disability-adjusted life years (DALYs), years lived with disability (YLDs), and years of life lost (YLLs) of Alzheimer's disease and other forms of dementia were derived from the GBD 2019 study at both national and provincial levels in China. MEASUREMENTS Six indicators were used: incidence, mortality, prevalence, DALYs, YLLs, and YLDs. Absolute numbers in detail by age, sex, region, and age-standardized rates (with 95% uncertainty intervals) were calculated. RESULTS There were notable increasing trends in the number of deaths (247·9%), incidence (264·8%), prevalence (296·5%), DALYs (228·1%), YLDs (308·7%) and YLLs (201·7%) from 1990 to 2019, respectively. The corresponding age-standardized rates increased by 6·2%, 19·3%, 33·6%, 10·7%, 33·4% and 3·1%. Smoking, high body mass index, high fasting plasma glucose levels, and metabolic risks were the four leading risk factors. Higher burden was observed among females versus males and in the more developed regions. CONCLUSIONS The disease burden in China were increasing substantially. Regional differences of the disease burden are accompanied by discrepancies of economic level and geographical location, as well as different levels of exposure to risk factors. Targeted prevention and control strategies are urgently needed to reduce the disease burden.
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Li Q, Li R, Zhang S, Zhang Y, Liu M, Song Y, Liu C, Liu L, Wang X, Wang B, Xu X, Qin X. Relation of BMI and waist circumference with the risk of new-onset hyperuricemia in hypertensive patients. QJM 2022; 115:271-278. [PMID: 33486528 DOI: 10.1093/qjmed/hcaa346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/19/2020] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND We aimed to evaluate the relationship of body mass index (BMI) and waist circumference (WC) with the risk of new-onset hyperuricemia, and examine possible effect modifies in general hypertensive patients. METHODS A total of 10 611 hypertensive patients with normal uric acid (UA) concentrations (<357 μmol/l) at baseline were included from the UA sub-study of the China Stroke Primary Prevention Trial. The primary outcome was new-onset hyperuricemia, defined as a UA concentration ≥417 μmol/l in men or ≥357 μmol/l in women at the exit visit. RESULTS During a median follow-up duration of 4.4 years, 1663 (15.7%) participants developed new-onset hyperuricemia. When analyzed separately, increased BMI (≥25 kg/m2, quartile 3-4; OR, 1.46; 95% CI: 1.29-1.65), or increased WC (≥85 cm for females, quartile 3-4; OR, 1.24; 95% CI: 1.08-1.42; and ≥84 cm for males, quartile 3-4; OR, 1.30; 95% CI: 1.01-1.67) were each significantly associated with higher risk of new-onset hyperuricemia. When WC was forced into the model with BMI simultaneously, its significant association with new-onset hyperuricemia disappeared in females (<85 vs. ≥85 cm; OR, 0.96, 95% CI: 0.81-1.13) or males (≥84 vs. <84 cm; OR, 1.13; 95% CI: 0.84-1.52); however, BMI was still significantly related with new-onset hyperuricemia (≥25 vs. <25 kg/m2; OR, 1.48; 95% CI: 1.27-1.73). Moreover, the positive BMI & new-onset hyperuricemia association was more pronounced in participants with higher time-averaged on-treatment systolic blood pressure (median: <138.3 vs. ≥138.3 mmHg; P-interaction = 0.041). CONCLUSIONS Higher BMI, but not WC, is significantly and independently associated with an increased risk of new-onset hyperuricemia among hypertensive patients.
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Wei X, Leng Y, Sun T, Hou JX, Wang LS, Liu T, Li R, Zhou PJ, Liu YJ, Kang DM. [An analysis on senior pupil's tobacco use and exposure in Shandong province in 2012 and 2019]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2022; 43:681-685. [PMID: 35589572 DOI: 10.3760/cma.j.cn112338-20210517-00404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To analyze the changes in tobacco use and exposure in primary school students in Shandong province in 2012 and 2019. Methods: A multi-stage stratified cluster random sampling method was used in the survey. In 2012 and 2019, 5 861 and 4 021 students from 3 different cities of Shandong province were selected as the study population. The questionnaire was filled anonymously by the subjects. χ2 test was conducted to compare the difference of groups. Results: In 2012 and 2019, the rate of attempting smoking among pupils under this study in Shandong province were 6.0%and 6.3%, respectively, while the current smoking rate were 1.2%and 2.3%, respectively. The sex ratio of male and female students attempting to smoke was 2.56∶1 in 2012 and 1.31∶1 in 2019. The sex ratio of current smoking rate was 2.43∶1 and 2.00∶1, respectively in 2012 and in 2019. The rate of tobacco exposure in the public places was 50.5%and 41.4%, respectively. The rate of tobacco exposure in family was 49.7% and 46.4%, respectively. Two rates of tobacco exposure decreased, but the reduction in family (3.3%) was far less than that in public places (9.1%). In 2019, the rate of tobacco exposure in family was higher than that in public places. Conclusions: The tobacco exposure rate declined in senior pupils in Shandong province. However, the situation is still grim for the current smoking rate, growth trend of girls tobacco use, and tobacco exposure in family.
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Wang L, Li R, Lai X, Zhang X, Chen H, Zhao W. [Mapping Regulatory Elements within 5' and 3' UTRs of SIGLEC15 with a Use of Reporter System]. Mol Biol (Mosk) 2022; 56:465-467. [PMID: 35621101 DOI: 10.31857/s0026898422030181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/31/2021] [Indexed: 06/15/2023]
Abstract
Siglec-15 is an immune suppressor with broad upregulation on various cancer types and has emerged as a potential target for cancer immunotherapy. However, it remains unclear how SIGLEC15 expression is controlled in normal or cancer cells. In this work, we utilized reporter assays to evaluate the impact of the 5' UTR and the 3' UTR of SIGLEC15 mRNA on gene expression. We found that the 3' UTR dramatically reduced reporter protein production, whereas the 5' UTR showed modest inhibitory effect. Quantification of steady-state mRNA revealed the good coupling of protein amount and mRNA abundance that was associated with the 3' UTR. In contrast, the 5' UTR had little effect on mRNA abundance compared with the empty control. By measuring mRNA half-life, we showed that the 3' UTR markedly promoted mRNA degradation. Testing shortened 3' UTR fragments demonstrated five out of the six having notable inhibitory effect, with the one spanning 993-1317 had the most robust activity. More interestingly, the 993-1317 region contains a predicted 43-nt stem-loop structure that showed apparent inhibitory activity in four cell lines tested. These results suggested that the 3' UTR inhibited reporter gene expression by accelerating mRNA decay possibly via multiple cis-regulatory elements, but the 5' UTR repressed gene expression by inhibiting translation. Thus, our findings provided a clue to the molecular mechanism underlying the regulation of SIGLEC15 expression.
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Li R, Jin S, Wang Y, Li JF, Xiao HF, Wang YL, Ma L. Brain Perfusion Alterations on 3D Pseudocontinuous Arterial Spin-Labeling MR Imaging in Patients with Autoimmune Encephalitis: A Case Series and Literature Review. AJNR Am J Neuroradiol 2022; 43:701-706. [PMID: 35393361 PMCID: PMC9089268 DOI: 10.3174/ajnr.a7478] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 02/08/2022] [Indexed: 01/26/2023]
Abstract
Autoimmune encephalitis is a heterogeneous group of newly identified disorders that are being diagnosed with increasing frequency. Early recognition and treatment of autoimmune encephalitis are crucial for patients, but diagnosis remains challenging and time-consuming. In this retrospective case series, we describe the findings of conventional MR imaging and 3D pseudocontinuous arterial spin-labeling in patients with autoimmune encephalitis confirmed by antibody testing. All patients with autoimmune encephalitis showed increased CBF in the affected area, even when some of them presented with normal or slightly abnormal findings on conventional MR imaging. Additionally, serial 3D pseudocontinuous arterial spin-labeling showed perfusion reduction in 1 patient after therapy. For patients with highly suspected autoimmune encephalitis, 3D pseudocontinuous arterial spin-labeling may be added to the clinical work-up. Further studies and longitudinal data are needed to corroborate whether and to what extent 3D pseudocontinuous arterial spin-labeling improves the diagnostic work-up in patients with autoimmune encephalitis compared with conventional MR imaging.
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Wen Z, Huang G, Lai Y, Xiao L, Peng X, Liu K, Zhang C, Chen X, Li R, Li X, Lai Y, Ni L. Diagnostic panel of serum miR-125b-5p, miR-182-5p, and miR-200c-3p as non-invasive biomarkers for urothelial bladder cancer. Clin Transl Oncol 2022; 24:909-918. [PMID: 35028929 DOI: 10.1007/s12094-021-02741-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 11/23/2021] [Indexed: 02/05/2023]
Abstract
PURPOSE This study aimed to identify a diagnostic panel of serum microRNAs (miRNAs) for the early detection of bladder cancer (BC). METHODS Serum samples were collected from 112 BC patients and 112 normal controls (NCs). A three-stage selection was conducted to identify differentially expressed miRNAs as candidates to construct the diagnostic panel. Further, to explore their potential roles in urothelial BC, bioinformatics analyses, including target genes prediction and functional annotation, were used. RESULTS Six downregulated miRNAs (miR-1-3p, miR-30a-5p, miR-100-5p, miR-125b-5p, miR-143-3p, and miR-200c-3p) and one upregulated, miR-182-5p, in BC patients' serum were detected compared to NCs and were selected to establish the diagnostic panel. Based on a backward stepwise logistic regression analysis, miR-125b-5p, miR-182-5p, and miR-200c-3p comprehended the diagnostic panel [area under the curve (AUC) = 0.959, sensitivity = 91.67%, specificity = 92.5%]. CONCLUSION The panel of three miRNAs had an excellent diagnostic capability, representing a potential non-invasive method for early BC detection.
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Li R, Lyness A, Harriman J, Glen K, Thomas R, Molina S. Process Development and Manufacturing: SINGLE- AND SPLIT-DOSE CRYOPRESERVATION OF T CELLS. Cytotherapy 2022. [DOI: 10.1016/s1465-3249(22)00443-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Rugo H, Drumea K, Lee S, Campone M, Van Poznak C, Neven P, Vega Alonso E, Naume B, Siegel J, Li R, Uema D, Wagner V, Coleman R. 182P Radium-223 (223Ra) in combination with exemestane and everolimus (EXE-EVE) in patients (pts) with hormone receptor-positive, human epidermal growth factor receptor 2-negative (HR+/HER2-) metastatic breast cancer (MBC) with bone metastases: A phase II study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.03.201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Zurlo R, Li R, Mosiello G, Spiess P. Utility of Novel Mapping Biopsy for Improvement of Extramammary Paget Disease Outcomes: A Case Series. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.01.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Duan L, An X, Pan X, Li R, Wang K, Guo L, Zhang B, Dong F, Xiang W, Wu X, Xu J, Zheng Y. Residual levels of five pesticides in peanut oil processing and chips frying. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:2494-2499. [PMID: 34689325 DOI: 10.1002/jsfa.11590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/07/2021] [Accepted: 10/23/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Pesticide contamination in oil crops and processed products is an important food safety concern. The study was aimed to investigate the pesticide residue changes in press processing of peanut oil and frying of chips. RESULTS Five pesticides - chlorpyrifos, deltamethrin, methoxyfenozide, azoxystrobin and propargite - which are often applied during growth period in peanut plants, were selected to investigate their residue changes in cold press processing of peanut oil and frying of potato chips. Results showed that the residues of the five pesticides were decreased by 3.1-42.6% during air-drying before oil pressing. The residues of chlorpyrifos, deltamethrin, methoxyfenozide and propargite in peanut oil were 2.05-3.63 times higher than that in peanut meal after cold pressing of the oil, except for azoxystrobin having a slightly lower residue in peanut oil, with 0.92 times that in peanut meal. The processing factors of the five pesticides in peanut oil ranged from 1.17 to 2.73 and were highly related to the log Kow of the pesticides. The higher the log Kow , the more easily was the pesticide partitioned in the peanut oil. Besides, as frying time increase during preparation of chips, the concentration of pesticides in peanut oil decreased gradually by 6.7-22.1% compared to the first frying. In addition, 0.47-11.06% of the pesticides were transferred to the chips through frying with contaminated oil. CONCLUSION This is first report showing that pesticides can transfer from contaminated oil to chips. There exists a potential dietary health risk by using pesticide-contaminated oil for frying chips. This work could provide basic data for accurate dietary risk assessment of pesticide residues in peanut oil and its frying products. © 2021 Society of Chemical Industry.
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Loeb S, Salter C, Nelson CJ, Mulhall JP, Byrne N, Sanchez Nolasco T, Ness M, Gupta N, Cassidy C, Crisostomo-Wynne T, Li R, Wittmann D. Comparison of Sexual Concerns Between Patients with Prostate Cancer and Their Partners. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.01.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Jiang JG, Liu C, Cui GL, Chen C, Zuo HJ, Li R, Wang DW. [Long term prognosis of fulminant myocarditis and predictors related to impaired cardiac function post discharge]. ZHONGHUA XIN XUE GUAN BING ZA ZHI 2022; 50:263-269. [PMID: 35340145 DOI: 10.3760/cma.j.cn112148-20211206-01056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To compare the long-term prognosis of fulminant myocarditis (FM) and non-fulminant myocarditis (NFM) patients who survived and discharged from hospital, and to explore the factors associated with the long-term prognosis and impaired cardiac function. Methods: This study was a retrospective study. Consecutive patients with acute myocarditis hospitalized in Tongji Hospital from January 2017 to December 2020 were enrolled and divided into FM group and NFM group according to the type of myocarditis. Then, patients in the FM group were further divided into normal cardiac function group and impaired cardiac function group according the left ventricular ejection fraction (LVEF). All patients with acute myocarditis were treated with antiviral, immunomodulatory, immunosuppressive medications and symptomatic and supportive treatment, while FM patients were treated with comprehensive treatment plan. Clinical data at admission of enrolled patients were collected through the electronic medical record system. Patients were clinically followed-up at 1, 3, 6 and 12 months, then once a year after discharge by clinical visit. The primary endpoints included major cardiovascular events, impaired cardiac function was defined by LVEF<55%. Kaplan-Meier survival curve was used to analyze the occurrence of LVEF<55% and left ventricular enlargement during the follow-up of patients in FM group and NFM group, and Log-rank test was used for comparison between groups. Cox regression model was used to analyze the risk factors of impaired cardiac function in patients with FM during follow-up. Results: A total of 125 patients with acute myocarditis were enrolled (66 in FM group and 59 in NFM group). Compared with NFM group, the proportion of FM patients with the lowest LVEF<55% during hospitalization was higher (P<0.01), and the recovery time of normal LVEF during hospitalization was longer (P<0.01). The proportion of LVEF<55% at discharge was similar between the two groups (P=0.071). During the follow-up of 12 (6, 24) months, 1 patient (1.5%) died due to cardiac reasons in FM group after discharge, 16 patients (24.2%) had sustained LVEF<55% after discharge, and 8 patients (12.1%) had left ventricular enlargement. In NFM group, 3 patients (5.1%) had sustained LVEF<55%, and 1 patient (1.7%) had left ventricular enlargement. Kaplan-Meier survival curve analysis showed that the incidence of sustained LVEF<55% in FM group was higher than that in NFM group (P=0.003), and the incidence of left ventricular enlargement was also higher than that in NFM group (P=0.024). Subgroup analysis of patients in the FM group showed that, compared with the normal cardiac function group, the time from onset to admission was shorter (P=0.011), the proportion of LVEF<55% at discharge was higher (P=0.039), the proportion of coronary angiography was higher (P=0.014), and the LVEF recovery time during hospitalization was longer (P=0.036) in FM patients with impaired cardiac function. Multivariate Cox regression analysis showed that longer LVEF recovery time during hospitalization was an independent risk factor for cardiac function impairment after discharge of FM patients (HR=1.199, 95%CI 1.023-1.406, P=0.025). Conclusions: The incidence of reduced LVEF is significantly higher in FM patients than that in NFM patients. Longer LVEF recovery time during hospitalization is an independent risk factor for cardiac function impairment in FM patients after discharge.
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Stalmann USA, Banjanin B, Snoeren IAM, Nagai JS, Leimkühler NB, Li R, Benabid A, Pritchard J, Malyaran H, Neuss S, Bindels E, Costa IG, Schneider RK. Single cell analysis of cultured bone marrow stromal cells reveals high similarity to fibroblasts in situ. Exp Hematol 2022; 110:28-33. [PMID: 35341805 DOI: 10.1016/j.exphem.2022.03.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/23/2022] [Accepted: 03/20/2022] [Indexed: 11/27/2022]
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Ren D, Wang Y, Han M, Zhang Y, Cai C, Liu K, Li R, Liu H, Ou J, Wang Y, Han J, Chen R. Internet-based interventions to promote help-seeking for mental health in LGBTQ+ young adults: Protocol for a randomized controlled trial. Internet Interv 2022; 28:100524. [PMID: 35342718 PMCID: PMC8943403 DOI: 10.1016/j.invent.2022.100524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/08/2022] [Accepted: 03/11/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Compared to its cis-heterosexual counterpart, the sexual and gender minority (SGM) population is disproportionately susceptible to mental health problems, including depression, anxiety, and minority stress. They are also facing unique help-seeking barriers when in need of support. Past research has shown promising results in using interventions to promote help-seeking intentions and attitudes of the cis-heterosexual population. However, there were no known help-seeking interventions targeting the SGM population. This protocol illustrates a study design to test the efficacy of a newly-developed internet-based program aimed to promote help-seeking for mental health in LGBTQ+ young adults. METHODS This study is a randomized controlled trial that aims to promote and improve the SGM young adults' help-seeking by integrating animated psychoeducational videos, group discussion, and the SGM youth help-seeking brochure. Primary outcomes, including help-seeking intentions and attitudes, will be measured at baseline, post-intervention, one-month post-intervention, and three-month post-intervention. The secondary outcomes, including help-seeking stigma, help-seeking literacy, mental health literacy, and help-seeking behaviors, will be measured at the same time points. DISCUSSION This is an internet-based, multi-dimensional, and integrative intervention tailored to the needs of the SGM population. It addresses an important gap in the current landscape of mental health promotion for the SGM population. The findings from this trial will provide new knowledge on promoting help-seeking among the SGM population, paving the road for future research that focuses on addressing mental health issues faced by the SGM population. TRIAL REGISTRATION Chictr.org.cn: ChiCTR2100053248.
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Li R, Ye SB, Zhao M, Ma HH, Lu ZF, Rao Q, Xia QY. [The interpretation trap of DDIT3 split FISH in liposarcoma]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 2022; 51:230-233. [PMID: 35249288 DOI: 10.3760/cma.j.cn112151-20210609-00426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
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Blaauw D, Chambers C, Chirwa T, Duba N, Gwyther L, Hofman K, London L, Masilela T, McKerrow N, Modupe O, Moeng L, Mubaiwa V, Nematswerani N, Ramkissoon Y, Saloojee Y, Tshabalala S, Valabhjee K, Versteeg-Mojanaga M, Barsdorf N, Conco D, DiStefano M, Li R, Chalkidou K, Faden R, Goldstein S, Hofman K, Krubiner CB, Merritt MW, Mosam A, Potgieter S, Tugendhaft A. Introducing an Ethics Framework for health priority-setting in South Africa on the path to universal health coverage. S Afr Med J 2022; 112:240-244. [PMID: 35380528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023] Open
Abstract
BACKGROUND South Africa (SA) has embarked on a process to implement universal health coverage (UHC) funded by National Health Insurance (NHI). The 2019 NHI Bill proposes creation of a health technology assessment (HTA) body to inform decisions about which interventions NHI funds will cover under UHC. In practice, HTA often relies mainly on economic evaluations of cost-effectiveness and budget impact, with less attention to the systematic, specific consideration of important social, organisational and ethical impacts of the health technology in question. In this context, the South African Values and Ethics for Universal Health Coverage (SAVE-UHC) research project recognised an opportunity to help shape the health priority-setting process by providing a way to take account of multiple, ethically relevant considerations that reflect SA values. The SAVE-UHC Research Team developed and tested an SA-specific Ethics Framework for HTA assessment and analysis. OBJECTIVES To develop and test an Ethics Framework for use in the SA context for health priority-setting. METHODS The Framework was developed iteratively by the authors and a multidisciplinary panel (18 participants) over a period of 18 months, using the principles outlined in the 2015 NHI White Paper as a starting point. The provisional Ethics Framework was then tested with multi-stakeholder simulated appraisal committees (SACs) in three provinces. The membership of each SAC roughly reflected the composition of a potential SA HTA committee. The deliberations and dedicated focus group discussions after each SAC meeting were recorded, analysed and used to refine the Framework, which was presented to the Working Group for review, comment and final approval. RESULTS This article describes the 12 domains of the Framework. The first four (Burden of the Health Condition, Expected Health Benefits and Harms, Cost-Effectiveness Analysis, and Budget Impact) are commonly used in HTA assessments, and a further eight cover the other ethical domains. These are Equity, Respect and Dignity, Impacts on Personal Financial Situation, Forming and Maintaining Important Personal Relationships, Ease of Suffering, Impact on Safety and Security, Solidarity and Social Cohesion, and Systems Factors and Constraints. In each domain are questions and prompts to enable use of the Framework by both analysts and assessors. Issues that arose, such as weighting of the domains and the availability of SA evidence, were discussed by the SACs. CONCLUSIONS The Ethics Framework is intended for use in priority-setting within an HTA process. The Framework was well accepted by a diverse group of stakeholders. The final version will be a useful tool not only for HTA and other priority-setting processes in SA, but also for future efforts to create HTA methods in SA and elsewhere.
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