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The causal association between inflammatory bowel disease and breast cancer: a bidirectional two-sample Mendelian randomization study

Front Genet. 2024 Jul 23;15:1392341. doi: 10.3389/fgene.2024.1392341. eCollection 2024.

ABSTRACT

Objective: This Mendelian Randomization (MR) study aims to explore the potential bidirectional causal relationship between Inflammatory Bowel Disease (IBD) and Breast Cancer (BC). Materials and Methods: We utilized genetic instruments from the summary statistics of genome-wide association studies (GWAS) on IBD among individuals of European ancestry (12,882 cases and 21,770 controls) to investigate the association with breast cancer (14,910 cases and 17,588 controls) and vice versa. The primary causal estimates were obtained using the Inverse Variance Weighting Method (IVW), and the robustness of the results was evaluated through a series of sensitivity analyses. Results: The study found a positive impact of genetically predicted IBD on breast cancer (OR = 1.047; 95% CI:1.009-1.087; p = 0.014); in the analysis of IBD subtypes, genetically predicted Crohn’s Disease (CD) also had a positive effect on breast cancer (OR = 1.044; 95% CI:1.015-1.073; p = 0.002), but genetically predicted Ulcerative Colitis (UC) did not show a significant effect on breast cancer (p > 0.05). The reverse Mendelian Randomization analysis indicated that genetically predicted breast cancer promoted the overall occurrence of IBD (OR = 1.112; 95% CI:1.022-1.211; p = 0.014); however, genetically predicted breast cancer did not show a significant correlation with IBD subtypes (CD and UC) (p > 0.05). Genetic predictions indicate a positive effect of Crohn’s Disease (CD) on the risk of Estrogen Receptor-Positive Breast Cancer (ER + BC), with (OR = 1.021; 95% CI:1.002-1.040; p = 0.002). Furthermore, a reverse Mendelian randomization analysis reveals that genetically predicted ER + BC contributes to the increased incidence of ulcerative colitis (UC), as indicated by (OR = 1.098; 95% CI:1.032-1.168; p = 0.003). In contrast, genetically predicted Estrogen Receptor-Negative Breast Cancer (ER-BC) has been shown to promote the overall occurrence of inflammatory bowel disease (IBD), with (OR = 1.153; 95% CI:1.008-1.319; p = 0.037). However, bidirectional two-sample Mendelian randomization analyses between other pairs did not reveal any significant associations (p > 0.05). Conclusion: This study elucidates the bidirectional causal association between breast cancer and inflammatory bowel disease, highlighting the necessity of screening for IBD in breast cancer patients and for breast cancer in IBD patients in clinical settings.

PMID:39109338 | PMC:PMC11300198 | DOI:10.3389/fgene.2024.1392341

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Prevalence of the Patterns of Unhealthy Diet in the School and University Students of Iran: A Systematic Review and Meta-Analysis

ScientificWorldJournal. 2024 Jul 30;2024:2697001. doi: 10.1155/2024/2697001. eCollection 2024.

ABSTRACT

INTRODUCTION: The present study was conducted to investigate the pooled prevalence rate of the different patterns of unhealthy diet among the school and university students of Iran.

METHODS: In this systematic review, the type of the main question was regarding prevalence and the effect measure was prevalence rate reported along with 95% confidence interval (CI). Data bases including PubMed, Scopus, and Web of Science as well as Google Scholar and Persian resources were used. The Newcastle-Ottawa scale (NOS) checklist was used for quality assessment of studies.

RESULTS: The extracted types of unhealthy diet in the present systematic review were “breakfast skipper,” “fast food,” “hydrogenated oils consumption,” “salty snacks,” “sweetened beverages,” “breakfast skipper,” “dinner skipper,” “launch skipper,” and “sweets.” The range of pooled prevalence for different types was 0.06-0.75. The data of 16,321 subjects included in six studies were analyzed. The pooled prevalence of unhealthy diet was 0.28 (95% CI: 0.23-0.33, I 2 > 99%) overall, 0.25 (95% CI: 0.20-0.31, I 2 > 99%) in school students and 0.37 (95% CI: 0.12-0.62, I 2 > 99%) in university students. The most prevalent pattern was breakfast skipping 0.39 (95% CI: 0.28-0.50) followed by consumption of sweetened beverages 0.31 (95% CI: 0.20-0.43). The pooled prevalence range among the patterns was 0.06-0.75 (random effects for all).

CONCLUSION: The pooled prevalence was 28% for unhealthy diet among the Iranian students (6% to 75% in different patterns). Although there was uncertainty regarding the pooled evidence, the whole of the mentioned range was clinically important for health policymakers. Decisions should be made on the basis of the patterns.

PMID:39109330 | PMC:PMC11303044 | DOI:10.1155/2024/2697001

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Efficacy and safety of radical cystectomy with ileal conduit for muscle-invasive bladder cancer in the elderly: a multicenter retrospective study

Front Oncol. 2024 Jul 23;14:1402360. doi: 10.3389/fonc.2024.1402360. eCollection 2024.

ABSTRACT

OBJECTIVE: Radical cystectomy with ileal conduit is the current mainstay of treatment for muscle-invasive bladder cancer and is also a high-risk procedure. Existing studies have limited targeted assessment of the efficacy and safety of this procedure, and the patient population appropriate for this procedure is still poorly defined. We sought to longitudinally analyze differences in the efficacy and safety of radical cystectomy with ileal conduit by age subgroups to assess whether the age factor should be used as an exclusion criterion when selecting this procedure.

MATERIALS AND METHODS: We retrospectively examined the clinicopathological data of patients with MIBC treated with RC with IC at the Cancer Hospital of Harbin Medical University between February 2014 and October 2023. Additionally, we utilized clinical and pathological data from the SEER database (2000-2020) for external validation of our findings. Patients were categorized into elderly (≥70 years at diagnosis) and non-elderly (<70 years) groups. Statistical analyses included t-tests, non-parametric tests for continuous data, chi-square tests for categorical data, and Kaplan-Meier survival analysis.

RESULTS: In this study, 152 patients were included: 119 were categorized as non-elderly and 33 as elderly. For external validation, data from 416 patients in the SEER database were analyzed, with 172 classified as non-elderly and 244 as elderly. The results indicated that elderly patients were more likely to require ICU transfer postoperatively but exhibited a lower incidence of stoma inflammation. Additionally, both the data from our center and the external validation from the SEER database showed a concordance in cancer-specific survival (CSS) between the elderly and non-elderly groups. The efficacy of RC with IC was comparable in both elderly and non-elderly patients.

CONCLUSION: For longitudinal age subgroups, RC with IC for both elderly and non-elderly MIBC had good efficacy and safety, and good quality of life after surgery. Although there are surgical and perioperative risks in elderly patients, there is no significant difference compared with non-elderly patients. In elderly patients requiring RC for bladder cancer, IC should remain the preferred mode of urinary diversion, and old age should not be used as an absolute exclusion criterion for IC.

PMID:39109285 | PMC:PMC11300965 | DOI:10.3389/fonc.2024.1402360

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Da Vinci robot-assisted retroperitoneal tumor resection in 105 patients: a single-center experience

Front Oncol. 2024 Jul 23;14:1414780. doi: 10.3389/fonc.2024.1414780. eCollection 2024.

ABSTRACT

BACKGROUND: The Da Vinci Surgical System (DVSS) has the advantages of minimal invasion, rapid recovery, safety, and reliability. Although the DVSS has been widely used in various abdominal surgeries, descriptions of its use in robot-assisted retroperitoneal tumor resection (RRTR) are limited to case reports; large-sample systematic studies are lacking. The present study was performed to analyze the data of RRTR in our center, summarize our experience, and provide a reference for other retroperitoneal tumor centers.

METHODS: We retrospectively analyzed the clinical data of 105 patients who underwent RRTR at the Affiliated Hospital of Qingdao University from January 2015 to December 2022. Logistic univariate and multivariate analyses were performed to identify independent risk factors affecting RRTR. A receiver operating characteristic curve was used to find the cut-off value, which was then included in the logistic multivariate analysis for verification.

RESULTS: Among the 105 patients, 87 successfully underwent RRTR (DVSS group) and 18 underwent conversion to open surgery (conversion group). There was no significant difference in sex, age, body mass index, history of abdominal surgery, or tumor location between the two groups (P > 0.05). The maximum tumor diameter [odds ratio (OR), 1.041; 95% confidence interval (CI), 1.015-1.067; P = 0.002] and pathological property (OR, 8.646; 95% CI, 2.370-31.544; P = 0.001) were independent risk factors for conversion to open surgery. Further analysis confirmed that the success rate of RRTR was higher for tumors with a maximum diameter of ≤64 mm and benign tumors. Based on our experience and statistical results, we believe that retroperitoneal tumors that meet the following criteria have a higher success rate of DVSS resection: maximum tumor diameter of ≤64 mm, benign tumors, the tumor has relatively clear boundary, no obvious invasion of surrounding tissues and organs, and no need for combined organ resection.

CONCLUSIONS: RRTR is safe and effective in the treatment of RPT, and the clinical prognosis is similar to that of open surgery. The success rate of RRTR in patients with appropriate surgical indications for this procedure is higher.

PMID:39109284 | PMC:PMC11300375 | DOI:10.3389/fonc.2024.1414780

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Management and outcomes of breast cancer patients with radiotherapy interruption

Front Oncol. 2024 Jul 23;14:1337194. doi: 10.3389/fonc.2024.1337194. eCollection 2024.

ABSTRACT

BACKGROUND: Many cancer patients have not received timely treatment or even had treatment interruptions due to the COVID-19 pandemic. The objective of this investigation was to evaluate whether the prognosis of patients with breast cancer after surgery was affected by any interruptions in radiotherapy.

METHODS: The healthcare documents for breast cancer patients experiencing radiotherapy interruption after surgery, including treatment-related characteristics, and time of interruption, type of disease progression, and survival status, were collected between January and April 2020 during the Wuhan blockade.

RESULTS: The final number of patients included was 148, and neither the Kaplan-Meier (KM) survival curve nor the cross-tabulation analysis found statistical significance. Cox regression analysis also did not identify risk factors associated with PFS.

CONCLUSIONS: The prognosis of patients with postoperative breast cancer may not be significantly impacted by the interruption of radiotherapy, given its integration with additional treatments like targeted and endocrine therapies.

PMID:39109283 | PMC:PMC11300362 | DOI:10.3389/fonc.2024.1337194

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A DWI-based hypoxia model shows robustness in an external prostatectomy cohort

Front Oncol. 2024 Jul 23;14:1433197. doi: 10.3389/fonc.2024.1433197. eCollection 2024.

ABSTRACT

INTRODUCTION: Prostate cancer hypoxia is a negative prognostic biomarker. A promising MRI-based tool to assess hypoxia is the ‘Consumption and Supply based Hypoxia’ (CSH) model based on diffusion-weighted imaging (DWI). The aim of the study was to validate the association between the CSH hypoxia fraction (HFDWI) with pathological Grade Group (pGG) and pathological T-staging (pTstage) in an external prostatectomy cohort.

METHODS: Apparent diffusion coefficient (ADC) and fractional blood volume (fBV) maps were assessed from DWI data from 291 prostatectomies and combined by the CSH model. HFDWI was calculated for each lesion after median scaling of ADC and fBV to address differences in acquisition and analysis between centers. The absolute HFDWI values and the associations of HFDWI between pGG < 3 versus ≥ 3, and pTstage = 2 versus = 3 in the Netherlands Cancer Institute (NKI) cohort were compared to the obtained by original cohort (Oslo cohort). Statistical T- and Mann-Whitney tests (p<0.05) were performed. Pearson correlation was determined between HFDWI and individual pGG groups.

RESULTS: The HFDWI showed comparable absolute values and similar metric performance as in the original published cohort. Higher HFDWI values were observed for higher pGG (Oslo: 0.27; NKI: 0.24) compared to lower pGG (Oslo: 0.11; NKI: 0.17). Similar results were obtained for pTstage. Furthermore, HFDWI demonstrated a significant positive correlation with pGG groups 1-5 (ρ = 0.41, p<0.001).

CONCLUSION: The CSH model exhibited sufficient robustness in the external cohort, suggesting a plausible reflection of true hypoxia and enabling the use of the HFDWI metric for further research into prostate cancer and hypoxia.

PMID:39109282 | PMC:PMC11300287 | DOI:10.3389/fonc.2024.1433197

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Weekend Effect and Mortality Outcomes in Aortic Dissection: A Prospective Analysis

J Crit Care Med (Targu Mures). 2024 Apr 30;10(2):158-167. doi: 10.2478/jccm-2024-0014. eCollection 2024 Apr.

ABSTRACT

BACKGROUND: Aortic dissection (AD) is a critical heart condition with potentially severe outcomes. Our study aimed to investigate the existence of a “weekend effect” in AD by examining the correlation between patient outcomes and whether their treatment occurred on weekdays versus weekends.

METHODS: Specifically, we prospectively analysed the effect of weekday and weekend treatment on acute AD patient outcomes, both before surgical intervention and during hospitalization, for 124 patients treated from 2019-2021, as well as during 6 months of follow-up.

RESULTS: The mean age of the study population was 62.5 years, and patient age exhibited a high degree of variability. We recorded a mortality rate before surgery of 8.65% for the weekend group and 15% for the weekday group, but this difference was not statistically significant. During hospitalization, mortality was 50% in the weekend group and 25% in the weekday group, but this difference was not statistically significant. Discharge mortality was 9.61% in the weekend group and 5% in the weekday group.

CONCLUSIONS: Our findings suggest that there was no significant difference in mortality rates between patients admitted to the hospital on weekends versus weekdays. Therefore, the period of the week when a patient presents to the hospital with AD appears not to affect their mortality.

PMID:39109277 | PMC:PMC11193957 | DOI:10.2478/jccm-2024-0014

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A Randomised Control Study Comparing Ultrasonography with Standard Clinical Methods in Assessing Endotracheal Tube Tip Positioning

J Crit Care Med (Targu Mures). 2024 Apr 30;10(2):177-182. doi: 10.2478/jccm-2024-0019. eCollection 2024 Apr.

ABSTRACT

INTRODUCTION: Airway ultrasound has been increasingly used in correct positioning of endotracheal tube. We hypothesize that a safe distance between endotracheal tube tip and carina can be achieved with the aid of ultrasound.

AIM OF THE STUDY: Our primary objective was to determine whether ultrasound guided visualisation of proximal end of endotracheal tube cuff is better when compared to conventional method in optimal positioning of tube tip. The secondary objective was to find the optimal endotracheal tube position at the level of incisors in adult Indian population.

MATERIALS AND METHODS: There were 25 patients each in the conventional group and the ultrasound group. Conventional method includes auscultation and end tidal capnography. In the ultrasound group the upper end of the endotracheal tube cuff was positioned with an intent to provide 4 cm distance from the tube tip to the carina. X ray was used in both groups for confirmation of tip position and comparison between the two groups. Further repositioning of the tube was done if indicated and the mean length of the tube at incisors was then measured.

RESULTS: After x ray confirmation, endotracheal tube repositioning was required in 24% of patients in the USG group and 40 % of patients in the conventional group. However, this result was not found to be statistically significant (p = 0.364). The endotracheal tube length at the level of teeth was 19.4 ± 1.35 cm among females and 20.95 ± 1.37 cm among males.

CONCLUSIONS: Ultrasonography is a reliable method to determine ETT position in the trachea. There was no statistically significant difference when compared to the conventional method. The average length of ETT at the level of incisors was 19.5 cm for females and 21 cm for males.

PMID:39109274 | PMC:PMC11193950 | DOI:10.2478/jccm-2024-0019

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Higher Rates of Certain Autoimmune Diseases in Transgender and Gender Diverse Youth

Transgend Health. 2024 Jun 17;9(3):197-204. doi: 10.1089/trgh.2022.0079. eCollection 2024 Jun.

ABSTRACT

PURPOSE: The objective of this study is to determine the prevalence of certain autoimmune diseases in transgender and gender diverse (TGD) youth.

METHODS: A multicenter, retrospective analysis was conducted from January 2013 to January 2019 of youth ≤26 years of age with concurrent diagnoses of gender dysphoria (GD) and at least one of the studied autoimmune diseases. Prevalence rates were calculated and compared to previously reported rates. Statistical significance was determined using second generation p-values as pooled estimates of prevalence rates across study sites compared to a range of rates reported in the literature.

RESULTS: During the study period, 128 of 3812 (3.4%) youth evaluated for GD had a concurrent diagnosis of at least one of the studied autoimmune diseases. Three autoimmune diseases had prevalence rates significantly higher than those previously documented in the literature (second generation p-value=0.000): type 1 diabetes mellitus (112.8/10,000, 95% confidence interval [CI]: 83.8-151.8), systemic lupus erythematosus (13.1/10,000, 95% CI: 5.5-31.5), and Graves’ disease (12.3/10,000, 95% CI: 4.0-38.4).

CONCLUSION: There is an increased prevalence of certain autoimmune diseases in youth who identify as TGD presenting for subspecialty care. Limitations such as retrospective study design, selection bias, and reliance on electronic medical records make it difficult to draw wide-reaching conclusions about these findings. This study highlights the need for more research to delineate the impacts of unrecognized or untreated GD on autoimmune disease development and control.

PMID:39109261 | PMC:PMC11299103 | DOI:10.1089/trgh.2022.0079

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Comparing Stigma and HIV Outcomes Between Transgender and Cisgender Women Sex Workers Living with HIV in the Dominican Republic

Transgend Health. 2024 Jun 17;9(3):232-240. doi: 10.1089/trgh.2022.0099. eCollection 2024 Jun.

ABSTRACT

PURPOSE: Using an intersectionality framework, we compared stigma and HIV care and treatment outcomes across transgender and cisgender women sex workers living with HIV in the Dominican Republic (DR).

METHODS: In 2018-2019, data were collected in Santo Domingo, DR, using interviewer-administered surveys among 211 cisgender women and 100 transgender women. We used t-tests and chi-square tests to examine differences in sex work stigma, HIV stigma, and HIV care and treatment.

RESULTS: Transgender participants reported more anticipated HIV stigma (mean=13.61, standard deviation [SD]=2.39) than cisgender participants (mean=12.96, SD=2.21; p=0.018), but there were no statistically significant differences for internalized or enacted HIV stigma. Cisgender participants reported more anticipated sex work stigma (cisgender: mean=50.00, SD=9.22; transgender: mean=44.02, SD=9.54; p<0.001), but transgender women reported more enacted (cisgender: mean=49.99, SD=9.11; transgender: mean=59.93, SD=4.89; p<0.001) and internalized sex work stigma (cisgender: mean=50.00, SD=8.80; transgender: mean=57.84, SD=8.34; p<0.001), with no significant differences in resistance to sex work stigma. Cisgender women were significantly more likely to have received HIV care (cisgender: 99.53%, transgender: 91.00%, p<0.001), be currently taking antiretroviral therapy (cisgender: 96.21%, transgender: 84.00%, p<0.001), and be virally suppressed (cisgender: 76.19%, transgender: 64.00%, p=0.025).

CONCLUSIONS: Transgender participants consistently had poorer HIV care and treatment outcomes compared with cisgender participants. Differences in stigma experiences between transgender and cisgender participants depended on the type of stigma. Findings reflect the intersectional nature of distinct types and forms of stigma among sex workers. Understanding the shared and unique experiences of transgender and cisgender women will improve HIV care engagement and viral suppression.

PMID:39109259 | PMC:PMC11299095 | DOI:10.1089/trgh.2022.0099