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1.
Cardiooncology ; 9(1): 26, 2023 May 19.
Artículo en Inglés | MEDLINE | ID: mdl-37208775

RESUMEN

BACKGROUND: 25% of all breast cancer patients have HER-2 overexpression. Breast Cancer patients with HER-2 overexpression are typically treated with HER-2 inhibitors such as Trastuzumab. Trastuzumab is known to cause a decrease in left ventricular ejection fraction. The aim of this study is to create a cardiac risk prediction tool among women with Her-2 positive breast cancer to predict cardiotoxicity. METHOD: Using a split sample design, we created a risk prediction tool using patient level data from electronic medical records. The study included women 18 years of age and older diagnosed with HER-2 positive breast cancer who received Trastuzumab. Outcome measure was defined as a drop in LVEF by more than 10% to less than 53% at any time in the 1-year study period. Logistic regression was used to test predictors. RESULTS: The cumulative incidence of cardiac dysfunction in our study was 9.4%. The sensitivity and specificity of the model are 46% and 84%, respectively. Given a cumulative incidence of cardiotoxicity of 9%, the negative predictive value of the test was 94%. This suggests that in a low-risk population, the interval of screening for cardiotoxicity may be performed less frequently. CONCLUSION: Cardiac risk prediction tool can be used to identify Her-2 positive breast cancer patients at risk of developing cardiac dysfunction. Also, test characteristics in addition to disease prevalence may inform a rational strategy in performing cardiac ultrasound in Her-2 breast cancer patients. We have developed a cardiac risk prediction model with high NPV in a low-risk population which has an appealing cost-effectiveness profile.

2.
Cureus ; 14(3): e23336, 2022 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-35464555

RESUMEN

Listeria monocytogenes is a foodborne infection and is a leading cause of meningitis. The at-risk population includes patients over age 65, neonates, pregnant females, and patients with impaired cell immunity. Ustekinumab is a human monoclonal antibody that binds to and interferes with the proinflammatory cytokines, interleukin-12 (IL-12) and interleukin-23(IL-23). The drug is used for the treatment of Crohn's disease, ulcerative colitis, psoriatic arthritis, and plaque psoriasis. We present a case of listeria meningitis in a patient on ustekinumab therapy for plaque psoriasis.

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