There is increasing international attention in efforts to integrate palliative care principles, including pain and symptom management, into the care of patients with advanced chronic kidney disease (CKD). The purpose of this scoping review was to determine the extent, range, and nature of research activity around pain in CKD with the goal of (i) identifying gaps in current research knowledge; (ii) guiding future research; and (iii) creating a rich database of literature to serve as a foundation of more detailed reviews in areas where the data are sufficient. This review will specifically address the epidemiology of pain in CKD, analgesic use, pharmacokinetic data of analgesics, and the management of pain in CKD. It will also capture the aspects that pertain to specific pain syndromes in CKD such as peripheral neuropathy, carpal tunnel syndrome, joint pain, and autosomal dominant polycystic kidney disease.

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Importance: Preliminary reports indicate that acute kidney injury (AKI) is common in coronavirus disease (COVID)-19 patients and is associated with worse outcomes. AKI in hospitalized COVID-19 patients in the United States is not well-described. Objective: To provide information about frequency, outcomes and recovery associated with AKI and dialysis in hospitalized COVID-19 patients. Design: Observational, retrospective study. Setting: Admitted to hospital between February 27 and April 15, 2020. Participants: Patients aged ≥18 years with laboratory confirmed COVID-19 Exposures: AKI (peak serum creatinine increase of 0.3 mg/dL or 50% above baseline). Main Outcomes and Measures: Frequency of AKI and dialysis requirement, AKI recovery, and adjusted odds ratios (aOR) with mortality. We also trained and tested a machine learning model for predicting dialysis requirement with independent validation. Results: A total of 3,235 hospitalized patients were diagnosed with COVID-19. AKI occurred in 1406 (46%) patients overall and 280 (20%) with AKI required renal replacement therapy. The incidence of AKI (admission plus new cases) in patients admitted to the intensive care unit was 68% (553 of 815). In the entire cohort, the proportion with stages 1, 2, and 3 AKI were 35%, 20%, 45%, respectively. In those needing intensive care, the respective proportions were 20%, 17%, 63%, and 34% received acute renal replacement therapy. Independent predictors of severe AKI were chronic kidney disease, systolic blood pressure, and potassium at baseline. In-hospital mortality in patients with AKI was 41% overall and 52% in intensive care. The aOR for mortality associated with AKI was 9.6 (95% CI 7.4-12.3) overall and 20.9 (95% CI 11.7-37.3) in patients receiving intensive care. 56% of patients with AKI who were discharged alive recovered kidney function back to baseline. The area under the curve (AUC) for the machine learned predictive model using baseline features for dialysis requirement was 0.79 in a validation test. Conclusions and Relevance: AKI is common in patients hospitalized with COVID-19, associated with worse mortality, and the majority of patients that survive do not recover kidney function. A machine-learned model using admission features had good performance for dialysis prediction and could be used for resource allocation.

BackgroundStudy findings show that although palliative care decreases symptom burden, it is still underused in patients with ESKD. Little is known about disparity in use of palliative care services in such patients in the inpatient setting.MethodsTo investigate the use of palliative care consultation in patients with ESKD in the inpatient setting, we conducted a retrospective cohort study using the National Inpatient Sample from 2006 to 2014 to identify admitted patients with ESKD requiring maintenance dialysis. We compared palliative care use among minority groups (black, Hispanic, and Asian) and white patients, adjusting for patient and hospital variables.ResultsWe identified 5,230,865 hospitalizations of such patients from 2006 through 2014, of which 76,659 (1.5%) involved palliative care. The palliative care referral rate increased significantly, from 0.24% in 2006 to 2.70% in 2014 (P<0.01). Black and Hispanic patients were significantly less likely than white patients to receive palliative care services (adjusted odds ratio [aOR], 0.72; 95% confidence interval [95% CI], 0.61 to 0.84, P<0.01 for blacks and aOR, 0.46; 95% CI, 0.30 to 0.68, P<0.01 for Hispanics). These disparities spanned across all hospital subtypes, including those with higher proportions of minorities. Minority patients with lower socioeconomic status (lower level of income and nonprivate health insurance) were also less likely to receive palliative care.ConclusionsDespite a clear increase during the study period in provision of palliative care for inpatients with ESKD, significant racial disparities occurred and persisted across all hospital subtypes. Further investigation into causes of racial and ethnic disparities is necessary to improve access to palliative care services for the vulnerable ESKD population.