Publications by authors named "Kaelen L Medeiros"

Recently, there has been an increase in prescription drug abuse and related fatalities. Although opioid analgesics are commonly implicated, there have been significant increases in the prevalence of benzodiazepine exposures and overdoses. To describe national trends in pediatric benzodiazepine exposures from 2000 to 2015.

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Mediation analysis allows the examination of effects of a third variable (mediator/confounder) in the causal pathway between an exposure and an outcome. The general multiple mediation analysis method (MMA), proposed by Yu et al., improves traditional methods (e.

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Background: The Cancer and Leukemia Group B 9,343 demonstrated that postoperative radiation can be safely omitted in women ≥70 years who underwent breast-conserving therapy for clinical stage I (T1N0M0) estrogen receptor positive breast cancer treated with antihormonal therapy. Whether such results are observed in real-world population is unknown. In this hospital-based data, we report the survival outcomes of patients who received adjuvant radiation therapy versus those who did not.

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Background: The Cancer and Leukemia Group B (CALGB) 9343 trial demonstrated that adjuvant radiation therapy (RT) can be omitted in women 70 years or older, with small (≤2 cm), negative lymph nodes, estrogen receptor (ER)-positive breast cancer. We examined whether RT usage following the CALGB publication had decreased over time and evaluated sociodemographic and clinical factors associated with RT omission.

Materials And Methods: From the National Cancer Data Base, we analyzed a cohort of 120,308 women aged 70 years or older with stage I, ER-positive breast cancer who underwent lumpectomy.

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Introduction: Although a volume-outcome relationship has been well established for pancreatectomy, little is known about differences in mortality by facility type. The objective of this study is to evaluate the impact of facility type on short-term and long-term survival outcomes for patients with pancreatic adenocarcinoma who underwent pancreatectomy and identify determinants of overall survival (OS).

Methods: A cohort of 33,382 patients with Stage I-III pancreatic adenocarcinoma diagnosed between 1998 and 2011 were evaluated from the National Cancer Data Base.

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Background: A survival paradox between Stage IIB/C and Stage IIIA colon cancers exists. It is unclear how adequate lymph nodes dissection (LN) and post-surgery chemotherapy contribute to the survival paradox. We intended to assess the impact of these two factors on the survival paradox.

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Article Synopsis
  • The CALGB 9343 trial found that older women (70+) with small, ER+ breast cancer could safely skip radiation therapy (RT) after lumpectomy.
  • Despite this finding, the study showed only a slight decrease (2.95%) in RT usage among these patients post-CALGB trial publication.
  • Factors like age, location, income, and health issues significantly influenced whether these women received RT, indicating a need for more uniform treatment decisions.
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