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Malignancy risk stratification prediction of BI-RADS 4B calcifications based on contrast-enhanced mammographic features: a multicenter study. 基于对比增强乳腺 X 线摄影特征的 BI-RADS 4B 级钙化恶性风险分层预测:一项多中心研究。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-21 DOI: 10.1007/s10549-024-07546-w
Rong Long, Yao Luo, Min Cao, Kun Cao, Xiao-Ting Li, Ning Mao, Guang Yang, Ying-Shi Sun
{"title":"Malignancy risk stratification prediction of BI-RADS 4B calcifications based on contrast-enhanced mammographic features: a multicenter study.","authors":"Rong Long, Yao Luo, Min Cao, Kun Cao, Xiao-Ting Li, Ning Mao, Guang Yang, Ying-Shi Sun","doi":"10.1007/s10549-024-07546-w","DOIUrl":"https://doi.org/10.1007/s10549-024-07546-w","url":null,"abstract":"<p><strong>Purpose: </strong>This study aims to investigate the factors influencing the malignant risk of BI-RADS 4B calcification-only lesions detected on Contrast-Enhanced Mammography (CEM) and to develop a predictive model for stratifying malignant risk.</p><p><strong>Methods: </strong>A retrospective analysis was conducted on 131 calcification-only lesions of BI-RADS 4B identified on low-energy (LE) images of CEM from 125 females between March 2017 and April 2023 at three institutions. The patients were grouped as training (95 lesions) and external validation sets (36 lesions). On LE images, morphological features of the calcifications, including morphology, distribution and size, were evaluated. On recombined images, the presence and types of enhancement were assessed as qualitative variables, and the grey values from lesion areas and background were measured as quantitative variables. Multivariate logistic regression analysis was used to construct a predictive model. The discrimination of the model was assessed by the receiver operating characteristic (ROC) curve and confirmed by the external validation set.</p><p><strong>Results: </strong>Of the 131 lesions, 43 were malignant. The morphology, distribution, the presence and types of enhancement and the grey values of calcifications showed significant differences between benign and malignant lesions. The nomogram was developed based on morphology and the presence of enhancement, with areas under the ROC curve of 0.859 (95% confidence interval [CI]: 0.769, 0.949) and 0.856 (95% CI: 0.729, 0.983) in the training and external validation sets, respectively.</p><p><strong>Conclusion: </strong>On CEM, the presence of enhancement and morphology were identified as independent predictors of malignant calcifications of BI-RADS 4B. The predictive model demonstrated favorable performance.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction: Prognostic and predictive impact of NOTCH1 in early breast cancer. 更正:NOTCH1对早期乳腺癌的预后和预测影响。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-20 DOI: 10.1007/s10549-024-07520-6
Julia Engel, Vanessa Wieder, Marcus Bauer, Sandy Kaufhold, Kathrin Stückrath, Jochen Wilke, Volker Hanf, Christoph Uleer, Tilmann Lantzsch, Susanne Peschel, Jutta John, Marleen Pöhler, Edith Weigert, Karl-Friedrich Bürrig, Jörg Buchmann, Pablo Santos, Eva Johanna Kantelhardt, Christoph Thomssen, Martina Vetter
{"title":"Correction: Prognostic and predictive impact of NOTCH1 in early breast cancer.","authors":"Julia Engel, Vanessa Wieder, Marcus Bauer, Sandy Kaufhold, Kathrin Stückrath, Jochen Wilke, Volker Hanf, Christoph Uleer, Tilmann Lantzsch, Susanne Peschel, Jutta John, Marleen Pöhler, Edith Weigert, Karl-Friedrich Bürrig, Jörg Buchmann, Pablo Santos, Eva Johanna Kantelhardt, Christoph Thomssen, Martina Vetter","doi":"10.1007/s10549-024-07520-6","DOIUrl":"https://doi.org/10.1007/s10549-024-07520-6","url":null,"abstract":"","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142675154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ER + HER2- early-stage breast cancer: association of HER2 expression, tumor characteristics, and outcomes. ER + HER2-早期乳腺癌:HER2表达、肿瘤特征和预后的关联。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-19 DOI: 10.1007/s10549-024-07549-7
Hadar Goldvaser, Rinat Yerushalmi, Raz Mutai, Iryna Kuchuk, Margarita Toker, Shani Paluch-Shimon, Karen Drumea, Ella Evron, Amir Sonnenblick, Einav Gal-Yam, Gil Bar- Sela, Ayelet Shai, Rotem Merose, Avital Bareket-Samish, Lior Soussan-Gutman, Salomon M Stemmer
{"title":"ER + HER2- early-stage breast cancer: association of HER2 expression, tumor characteristics, and outcomes.","authors":"Hadar Goldvaser, Rinat Yerushalmi, Raz Mutai, Iryna Kuchuk, Margarita Toker, Shani Paluch-Shimon, Karen Drumea, Ella Evron, Amir Sonnenblick, Einav Gal-Yam, Gil Bar- Sela, Ayelet Shai, Rotem Merose, Avital Bareket-Samish, Lior Soussan-Gutman, Salomon M Stemmer","doi":"10.1007/s10549-024-07549-7","DOIUrl":"10.1007/s10549-024-07549-7","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the association between the HER2 score as provided by the Oncotype DX Recurrence Score (RS) assay, tumor characteristics, and outcomes in early-stage, ER + HER2-negative breast cancer (BC).</p><p><strong>Methods: </strong>All women insured by the Clalit Health Services, with early-stage, ER + HER2-negative BC who underwent RS testing between 2008 and 2011 were included. Patient/tumor characteristics and Kaplan-Meier estimates for distant recurrence-free survival (DRFS) and overall survival (OS) were compared by HER2 category, based on the HER2 score provided by the RS assay: lower HER2 score group representing the lower third of the HER2 score range (≤ 8.5); higher HER2 score group representing the upper 2 thirds of the HER2 score range (8.6-10.7).</p><p><strong>Results: </strong>1535 patients were included (948 node negative, 587 node positive); 330 (21.5%) were categorized as lower HER2 score and 1205 (78.5%) as higher HER2 score. Compared to the higher HER2 score group, the lower score group included a significantly higher proportion of patients with RS ≥ 26 in both node-negative (41% vs. 13.6%, P < .001) and node-positive diseases (36% vs. 19.4%, P < .001). Compared to the higher HER2 score group, the lower score group had significantly lower Oncotype ER and PR scores and lower proportion of lobular disease. Age and tumor size were comparable between the HER2 score groups. Within each RS category, DRFS and OS were not associated with the HER2 score.</p><p><strong>Conclusion: </strong>Lower HER2 score was associated with higher RS results. Further study is desired to elucidate the role and significance of HER2 expression in early-stage, ER + HER2-negative.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142667266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neighborhood socioeconomic deprivation and patient-reported outcomes in symptom management trials for women with breast cancer. 乳腺癌妇女症状管理试验中的邻里社会经济贫困和患者报告结果。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-19 DOI: 10.1007/s10549-024-07523-3
Riha Vaidya, Cathee Till, N Lynn Henry, Michael J Fisch, Dawn L Hershman, Joseph M Unger
{"title":"Neighborhood socioeconomic deprivation and patient-reported outcomes in symptom management trials for women with breast cancer.","authors":"Riha Vaidya, Cathee Till, N Lynn Henry, Michael J Fisch, Dawn L Hershman, Joseph M Unger","doi":"10.1007/s10549-024-07523-3","DOIUrl":"10.1007/s10549-024-07523-3","url":null,"abstract":"<p><strong>Purpose: </strong>Neighborhood socioeconomic deprivation (NSD) is associated with worse outcomes among patients with cancer, but little is known about NSD-related disparities in patient-reported outcomes (PRO) in clinical trials. We examined the relationship between PROs and NSD in symptom management trials among women with breast cancer.</p><p><strong>Methods: </strong>We pooled data from three SWOG randomized trials to examine four outcomes: physical and functional wellbeing (PWB, FWB), average pain, and pain interference. NSD was measured using participants' zip code linked to the area deprivation index (ADI) score, categorized into tertiles. Multivariable linear regression adjusted for sociodemographic and clinical characteristics was used to analyze baseline PROs. Linear mixed models were used to examine if trajectory of PROs from baseline through 24 weeks varied by ADI.</p><p><strong>Results: </strong>We examined 761 participants, of whom 51% were from least deprived neighborhoods. Participants in the most deprived neighborhoods had worse average pain at baseline (β = .38, 95% CI = .03 to .72, p = .03) while participants in somewhat deprived areas also had worse FWB (β = -1.07, 95% CI = -1.95 to -.20, p = .02) and pain interference (β = 0.42, 95% CI = .09 to .75, p = .01) compared to those from least deprived areas. Hispanic ethnicity and having Medicaid/no insurance were associated with worse outcomes. After adjusting for baseline score, ADI was not associated with any outcome over time.</p><p><strong>Conclusions: </strong>Breast cancer patients living in areas with NSD had worse FWB, joint pain, and pain interference at baseline. Clinical trial participants should be screened for community-level needs. Implementing interventions to address those needs could help mitigate disparities.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142667268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of resistance training vs high intensity interval training on body composition, muscle strength, cardiorespiratory fitness, and quality of life in survivors of breast cancer: a randomized trial. 阻力训练与高强度间歇训练对乳腺癌幸存者身体成分、肌肉力量、心肺功能和生活质量的影响:随机试验。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-18 DOI: 10.1007/s10549-024-07559-5
Francesco Bettariga, Dennis R Taaffe, Cristina Crespo-Garcia, Timothy D Clay, Daniel A Galvão, Robert U Newton
{"title":"Effects of resistance training vs high intensity interval training on body composition, muscle strength, cardiorespiratory fitness, and quality of life in survivors of breast cancer: a randomized trial.","authors":"Francesco Bettariga, Dennis R Taaffe, Cristina Crespo-Garcia, Timothy D Clay, Daniel A Galvão, Robert U Newton","doi":"10.1007/s10549-024-07559-5","DOIUrl":"10.1007/s10549-024-07559-5","url":null,"abstract":"<p><strong>Purpose: </strong>Breast cancer treatments often lead to unfavourable changes in body composition, physical fitness, and quality of life (QoL). We compared the effects of resistance training (RT) and high-intensity interval training (HIIT) on these outcomes in survivors of breast cancer.</p><p><strong>Methods: </strong>Twenty-eight survivors of breast cancer, post-treatment (Stage I-III), aged 55.5 ± 8.8 years and body mass index 27.9 ± 5 kg/m<sup>2</sup> were randomly allocated to a 12-week supervised RT (n = 14) or HIIT (n = 14) intervention, 3 days per week. Body composition (dual energy x-ray absorptiometry), upper and lower body muscle strength (1-repetition maximum), cardiorespiratory fitness (CRF) (Ekblom Bak Cycle Test), and QoL domains (EORTC QLQ-C30 and EORTC QLQ-BR45) were assessed at baseline and 12 weeks.</p><p><strong>Results: </strong>There were no significant differences between groups at baseline. Exercise attendance ranged from 81 to 85%. Between groups, there were significant differences (p ≤ 0.001) after 12 weeks in chest press strength for RT (mean difference [MD] = 4.7 kg) and CRF for HIIT (MD = 1.9 ml/min/kg). Within groups, there were significant improvements (p < 0.05) for % lean mass and % fat mass in both RT and HIIT, as well as for upper and lower body muscle strength, CRF, and QoL domains. No major adverse events were noted.</p><p><strong>Conclusion: </strong>Both exercise groups improved body composition, physical fitness, and QoL domains over 12 weeks of RT or HIIT, although mode-specific benefits were apparent with more substantial improvements in lean mass and muscle strength with RT and reductions in % fat mass and improved CRF with HIIT. Tailored exercise programs should address the specific health needs of each patient.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142667264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects on lymph node size, staging and primary tumor histology on diagnostic accuracy of axillary lymph node aspirate of breast cancers. 淋巴结大小、分期和原发肿瘤组织学对乳腺癌腋窝淋巴结穿刺诊断准确性的影响。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-17 DOI: 10.1007/s10549-024-07533-1
Joshua J X Li, Joanna K M Ng, Nikki K Y Hon, Ka Wun See, Julia Y S Tsang, Gary M Tse
{"title":"Effects on lymph node size, staging and primary tumor histology on diagnostic accuracy of axillary lymph node aspirate of breast cancers.","authors":"Joshua J X Li, Joanna K M Ng, Nikki K Y Hon, Ka Wun See, Julia Y S Tsang, Gary M Tse","doi":"10.1007/s10549-024-07533-1","DOIUrl":"https://doi.org/10.1007/s10549-024-07533-1","url":null,"abstract":"<p><strong>Introduction: </strong>Fine-needle aspiration cytology is preferred for axillary lymph node metastasis with low costs and minimal risks. To improve diagnostic performance by incorporating clinical-radiological-pathological parameters, a large cohort pre-operative aspirates in were reviewed for parameters affecting adequacy rate and accuracy.</p><p><strong>Methods: </strong>Axillary nodal aspirates from three institutions with histologic correlation were retrieved. Case notes were reviewed for parameters pertaining to the primary tumor, nodal status, histologic and cytologic diagnoses.</p><p><strong>Results: </strong>Totally 1361 specimens were included. The risk of malignancy for C1-C5 categories were 53.39%, 27.45%, 70.97%, 83.33% and 88.00%, increasing to 75.86%, 94.59% and 99.28% for C3/C4/C5 categories excluding cases with neoadjuvant therapy. Node size (p < 0.001) and histologic grade (p = 0.003) of primary tumor positively correlated with specimen adequacy. Presence of in situ component trended towards inadequacy (p = 0.069). Lymph node size remained a strong predictor of concordant cytologic diagnosis (p < 0.001). A higher percentage of involved node (p = 0.006) and HER2 overexpressed breast cancers (p = 0.027) increased concordance. Cases with ≥ 4 (up to ≥ 10) positive nodes were more likely to be concordant (p = 0.009- < 0.001), with improvements of 8.27%-12.37%. For size, cut-offs of ≥ 5 and ≥ 10 mm were significant (p = 0.006- < 0.001).</p><p><strong>Conclusion: </strong>It is critical that clinical-radiological-pathological findings be interpreted together with cytology. Aspirates from smaller nodes are more likely to be non-informative, irrespective of the total number of suspicious nodes, or a high-grade primary. In axillae with less than 4 suspicious nodes and/or a target node of less than 5-10 mm, the diagnostic accuracy of aspiration cytology decreases and should be interpreted cautiously.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142643825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Factors associated with breast cancer detection method in California women: an analysis of California Health Interview Survey data. 与加州妇女乳腺癌检测方法相关的因素:加州健康访谈调查数据分析。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-16 DOI: 10.1007/s10549-024-07534-0
Alice W Lee, Claudia Solis, Steph Tubman, Nicole Wells
{"title":"Factors associated with breast cancer detection method in California women: an analysis of California Health Interview Survey data.","authors":"Alice W Lee, Claudia Solis, Steph Tubman, Nicole Wells","doi":"10.1007/s10549-024-07534-0","DOIUrl":"https://doi.org/10.1007/s10549-024-07534-0","url":null,"abstract":"<p><strong>Purpose: </strong>Breast cancer mortality has significantly declined in the U.S. due in part to effective clinical screening methods. However, previous studies have found many women first detect their breast cancers through means other than their providers. Given that detection method has been shown to be an important prognostic factor, we examined the association between breast cancer detection method and various demographic and health-related factors in a representative sample of female breast cancer patients aged 40 + in California.</p><p><strong>Methods: </strong>We analyzed data from the 2009 and 2011-2012 California Health Interview Survey. Weighted percentages of breast cancer patients by detection method were calculated. A multivariable logistic regression model was used to quantify each factor's association with the likelihood of having a patient-detected versus clinically detected breast cancer using odds ratios (ORs) and 95% confidence intervals (CIs).</p><p><strong>Results: </strong>36% of female breast cancer patients first detected their cancer themselves. Compared to U.S.-born women, those who had spent 40% or less of their lifetime in the U.S. were more than twice as likely to report their breast cancer being patient-detected versus clinically detected (OR = 2.27, 95% CI 1.06-4.86, p = 0.035). Rural women were also more likely to report a patient-detected breast cancer than urban women (OR = 1.51, 95% CI 1.01-2.11, p = 0.044).</p><p><strong>Conclusions: </strong>Recent immigrants and those residing in rural areas were more likely to report self-detecting their breast cancer. Given the persistent disparities with regard to breast cancer mortality, particularly among underserved communities, strategies addressing barriers to screening uptake in these populations may be warranted.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142643827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trajectories of antidepressant use after tamoxifen initiation among young and middle-aged women with breast cancer. 中青年乳腺癌妇女开始服用他莫昔芬后使用抗抑郁药的轨迹。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-15 DOI: 10.1007/s10549-024-07554-w
Oluwadamilola Onasanya, Paula Rosenblatt, Susan dosReis, Eberechukwu Onukwugha, Zafar Zafari, Wendy Camelo Castillo
{"title":"Trajectories of antidepressant use after tamoxifen initiation among young and middle-aged women with breast cancer.","authors":"Oluwadamilola Onasanya, Paula Rosenblatt, Susan dosReis, Eberechukwu Onukwugha, Zafar Zafari, Wendy Camelo Castillo","doi":"10.1007/s10549-024-07554-w","DOIUrl":"https://doi.org/10.1007/s10549-024-07554-w","url":null,"abstract":"<p><strong>Purpose: </strong>Antidepressant treatment patterns may change after women with breast cancer (BC) initiate tamoxifen, potentially impacting health outcomes. We characterized trajectories of antidepressant use after initiating tamoxifen among young and middle-aged women with BC, identifying risk factors for trajectory group membership.</p><p><strong>Methods: </strong>A retrospective cohort included women 18-64 years-old with BC and antidepressant treatment history who received a new tamoxifen dispensing (index date). We measured longitudinal antidepressant use post-index date as 12, monthly, proportion of days covered (PDC) measurements in a 25% random sample of IQVIA PharMetrics® Plus for Academics US claims, 2006-2022. Group-based trajectory models identified latent subgroups of antidepressant use by testing 2-6-group representations; the best model fit determined by the lowest Bayesian Information Criterion, clinical interpretability, and each subgroup comprising ≥ 5% of the cohort. Using multinomial logistic regression, baseline covariates including demographics, depression status and the CYP2D6-inhibitory strength of antidepressants were evaluated as risk factors for the trajectory of antidepressant use after tamoxifen initiation.</p><p><strong>Results: </strong>Our sample of 851 women followed four distinct antidepressant adherence trajectories after tamoxifen initiation: 12% exhibited immediately decreasing use [mean PDC (sd) 8% (± 7)]; 7% exhibited delayed decreasing use [41% (± 14)]; 20% exhibited dynamic-moderate use [54% (± 15)]; and 60% exhibited consistently high use [91% (+ 7)]. Age, depression, and treatment with non CYP2D6-inhibiting antidepressants were associated with women's trajectory of antidepressant use after initiating tamoxifen.</p><p><strong>Conclusion: </strong>Nearly 40% of women were nonadherent to antidepressants after tamoxifen initiation. Future research should explore cancer-related and mental health implications of this nonadherence.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142638370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of the COVID-19 pandemic on breast cancer surgeries in a Canadian population. COVID-19 大流行对加拿大人群乳腺癌手术的影响。
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-15 DOI: 10.1007/s10549-024-07547-9
Gary Ko, Qing Li, Ning Liu, Eitan Amir, Andrea Covelli, Antoine Eskander, Vivianne Freitas, C Anne Koch, Jenine Ramruthan, Emma Reel, Amanda Roberts, Toni Zhong, Tulin D Cil
{"title":"Impact of the COVID-19 pandemic on breast cancer surgeries in a Canadian population.","authors":"Gary Ko, Qing Li, Ning Liu, Eitan Amir, Andrea Covelli, Antoine Eskander, Vivianne Freitas, C Anne Koch, Jenine Ramruthan, Emma Reel, Amanda Roberts, Toni Zhong, Tulin D Cil","doi":"10.1007/s10549-024-07547-9","DOIUrl":"https://doi.org/10.1007/s10549-024-07547-9","url":null,"abstract":"<p><strong>Purpose: </strong>The COVID-19 pandemic significantly impacted breast cancer (BC) surgeries. Most studies showing reduced BC surgical volumes during the pandemic are from single institutions, few have described volume changes in different types of surgical procedures. This study aimed to assess the impact of the pandemic on BC surgery volumes and types at a population level.</p><p><strong>Methods: </strong>Patients diagnosed with BC between January 1, 2018, and June 25, 2022, in Ontario, Canada, were analysed from population-based datasets. Time periods were defined as pre-pandemic (Jan 2018-Mar 2020), immediate pandemic (Mar-Jun 2020), and peri-pandemic (Jun 2020-Jun 2022). Weekly BC surgery volume and type (lumpectomy, mastectomy, or mastectomy with immediate reconstruction) were evaluated using segmented negative binomial regression models.</p><p><strong>Results: </strong>Among 44 226 patients, 50 440 surgeries were performed. Weekly BC surgeries decreased by 16.9% during the immediate pandemic compared to pre-pandemic levels (180.5 vs. 217.1; p = 0.03). Surgical volumes recovered to pre-pandemic levels by June 2021. Mastectomies represented a higher proportion of BC surgeries during the pandemic (31.1% pre, 36.3% immediate, 32.4% peri-pandemic; p < 0.01). The proportion of mastectomies with immediate reconstruction remained stable during the immediate pandemic but increased in the peri-pandemic (20.1% vs. 17%; p < 0.01).</p><p><strong>Conclusion: </strong>There was a significant reduction in all BC surgeries during the pandemic. Mastectomies accounted for a higher proportion of BC surgeries in the pandemic period however access to reconstruction was maintained. Surgical volumes recovered within a year despite ongoing pandemic hospitalizations. Future studies are needed to explore the pandemic's long-term impact on BC care.</p>","PeriodicalId":9133,"journal":{"name":"Breast Cancer Research and Treatment","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142614705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reply to Bourgeois P. 对布尔乔亚-P.的答复
IF 3 3区 医学
Breast Cancer Research and Treatment Pub Date : 2024-11-14 DOI: 10.1007/s10549-024-07558-6
C Florin Pop, Isabelle Veys, Gabriel Liberale
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