Castleman disease (CD) describes a group of rare hematologic conditions involving lymphadenopathy with characteristic histopathology and a spectrum of clinical abnormalities. CD is divided into localized or unicentric CD (UCD) and multicentric CD (MCD) by imaging. MCD is further divided based on etiological driver into human herpesvirus-8-associated MCD, POEMS-associated MCD, and idiopathic MCD. There is notable heterogeneity across MCD, but increased level of pro-inflammatory cytokines, particularly interleukin-6, is an established disease driver in a portion of patients. FDG-PET/CT can help determine UCD versus MCD, evaluate for neoplastic conditions that can mimic MCD clinico-pathologically, and monitor therapy responses. CD requires more robust characterization, earlier diagnosis, and an accurate tool for both monitoring and treatment response evaluation; FDG-PET/CT is particularly suited for this. Moving forward, future prospective studies should further characterize the use of FDG-PET/CT in CD and specifically explore the utility of global disease assessment and dual time point imaging.Trial registration ClinicalTrials.gov, NCT02817997, Registered 29 June 2016, https://clinicaltrials.gov/ct2/show/NCT02817997
Introduction Prior to the utilization of continuous flow devices in 2010, Gastrointestinal (GI) bleeding was a common adverse event related to LVADs. Background Given the drastic increase in the use of new LVADs with continuous flow (CF), we sought to determine if CF-LVADs are associated with an increased number of GI bleeds and higher mortality. Methods We analysed the data from a national inpatient sample database using the International Classification of Disease (ICD)-9 procedure code for LVAD use in end-stage heart failure among patients 18 years or older. Included were 2,359 patients with a mean age of 55±13.7 years and 77% males and 59% Caucasians. Results The Incidence of GI bleed from 2010 to 2014 was 7.46%. There was no significant yearly change in the incidence over five years (p=0.793). After controlling for age, sex, and length of stay (LOS), hierarchical multivariate logistic regression revealed that significant predictors of GI bleed were acute kidney injury (AOR=1.87, 95% CI: 1.26, 2.80), peripheral vascular disease (AOR=1.77, 95% CI: 1.02, 2.94), body mass index ≥25 (AOR=0.46, 95% CI: 0.22, 0.87), hemiplegia and paraplegia (AOR=3.01, 95% CI: 1.17, 7.05), moderate or severe liver disease (AOR=2.40, 95% CI: 0.97, 5.34), peptic ulcer disease (PUD) (AOR=18.13, 95% CI: 7.86, 42.38), surgical aortic valve replacement (AOR=2.46, 95% CI: 1.12, 5.15), and venous thromboembolism (AOR=2.58, 95% CI: 1.57, 4.15). Conclusion Earlier studies showed an increase in the rate of GI bleed in CF-LVADs when compared to pulsatile flow devices. However, our study has indicated that CF-LVADs display no improvement in rates of GI bleed over five years, but that there was an increased likelihood of mortality in patients with GI bleed. These findings pose further questions in regard to considering newer device designs and improved patient selection criteria. Funding Acknowledgement Type of funding source: None
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