Background Catheter-associated infections markedly contribute to treatment failure in peritoneal dialysis (PD) patients. There is much controversy surrounding prophylactic strategies to prevent these infections. Methods In this nationwide multicenter study we analyzed strategies to prevent catheter-associated infections as performed in Austrian PD centers in 2006. A questionnaire was sent to all 23 PD centers in Austria. Results Ten different catheter models were used in the 332 patients being treated in the 23 Austrian PD centers. Systemic antibiotics prior to catheter placement were given by 17 of the 23 PD centers (glycopeptides, n = 7; cephalosporins, n = 10). Nasal swabs were taken preoperatively by 17 PD centers; nasal Staphylococcus aureus carriers were treated prophylactically with mupirocin cream in 15 of these centers. Dressing change was routinely performed in 318 of 332 chronic PD patients (nonocclusive film dressing, n = 58; gauze dressing, n = 260). Disinfectants for chronic exit-site care included povidone iodine ( n = 155), sodium hypochlorite ( n = 31), povidone iodine + sodium hypochlorite together ( n = 102), and octenidine dihydrochloride/phenoxyethanol ( n = 17). Water+non-disinfectant soap or 0.9% sodium chloride was administered as a cleansing agent to the exit site by 27 patients. Routine S. aureus screening (nasal and/or exit-site swabs) in chronic PD patients was performed in 12 PD centers; carriers were treated with mupirocin cream in 11 of these centers. Dialysis staff members were screened for S. aureus in 8 PD centers and spouses were screened for S. aureus in 5 PD centers. The overall exit-site infection rate was 1 episode/43.9 patient-months, tunnel infection rate was 1 episode/88.9 patient-months, and peritonitis rate was 1 episode/51.0 patient-months. Patients of centers that have installed a prophylaxis protocol for treating S. aureus carriers had lower mean infection rates compared with those not using such a protocol. Conclusion Various individual prophylactic strategies are used to prevent catheter-associated infections in Austrian PD centers. Infection rates are within the range reported in the literature. There is still scope for improvement in some centers ( e.g., by establishing a prophylaxis protocol).
One of the most critical long-term complications of type 2 diabetes is nephropathy, currently termed diabetic kidney disease. Although the prevalence is increasing, renal outcomes are heterogeneously defined. Intensive glucose control is effective for the prevention of microvascular complications, including kidney disease. However, the impact of specific drugs on renal outcome measures such as the incidence of kidney disease, albuminuria, progression to end-stage kidney disease, or death of renal cause remains unclear. Comparison of agents or drug classes is impossible, as renal outcomes are inconsistently defined in trials. Recent publications include more stringent criteria, but use only composite endpoints, which can reveal significant results driven by a single surrogate marker but not clinical events of true relevance to patients. This review discusses renal outcomes related to antidiabetic agents for type 2 diabetes, in an attempt to determine the influence of specific drugs on the incidence of diabetic kidney disease and various renal outcomes. There are marked differences among the various agents, but direct comparisons are difficult due to heterogeneous measures. Statements from Kidney Disease Improving Global Outcomes (KDIGO) or European Renal Best Practice (ERBP) highlight that “standardized outcome reporting is key to achieving evidence-based guidance and improving clinical care for patients.” Renal outcome studies including a well-defined, standardized core set of patient-relevant outcomes are needed. Here, we propose to define and establish major adverse renal events (MARE) as the outcome measure for future studies.
The term refeeding syndrome (RFS) refers to the metabolic perturbations and its attendant complications in subjects who are refed after fasting. The syndrome is characterized by profound shifts of electrolytes and fluids. Its consequences are widespread and sometimes fatal. Patients with malignancies are especially vulnerable due to the presence of multiple comorbidities. We report the course of four patients with malignant or hematological disorders who developed RFS while being treated for their underlying illness. All physicians caring for susceptible patients should be cognizant of the risks of refeeding and treat RFS appropriately to reduce patient morbidity as well as mortality.
We present a female patient with a B-immunoblastic lymphoma of the IgM-A type arising in angioimmunoblastic lymphadenopathy. An increased ratio of helper/inducer to suppressor/cytotoxic lymphocytes in the lymph node could have triggered the proliferation of B cells. Evolution of IgM cryoglobulinemia was paralleled by malignant transformation in the lymph node. A short-term in vitro chemosensitivity test could predict response to COP combination chemotherapy suggesting that in vitro chemosensitivity testing can be useful for the therapeutic management of angioimmunoblastic lymphadenopathy.
Background In renal studies, various outcome endpoints are used with variable definitions, making it nearly impossible to perform meta-analyses and deduce meaningful conclusions. Increasing attention is directed towards standardization of renal outcome reporting. Methods A working group was formed to produce a unifying definition of renal outcomes that can be used by all investigators. We propose major adverse renal events (MARE) as the term for a standardized composite of hard renal outcomes. We discuss the components for inclusion in MARE from existing evidence. Results MARE could include three to five items, considered relevant to patients and regulators. New onset of kidney injury, that is persistent albuminuria/proteinuria and/or decreasing glomerular filtration rate (GFR) <60 ml/min/1.73 m2, persistent signs of worsening kidney disease, development of end-stage kidney disease with estimated GFR <15 ml/min/1.73 m2 without or with initiation of kidney replacement therapy, and death from renal cause are core items of MARE. Additionally, patient reported outcomes should be reported in parallel to MARE as a standard set of primary (or secondary) endpoints in studies on kidney disease of diabetic, hypertensive-vascular, or other origin. Conclusions MARE as a reporting standard will enhance the ability to compare studies and thus, facilitate meaningful meta-analyses. This will result in standardized endpoints that should result in guideline improvement to better individualize care of patients with kidney disease.
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