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Long term central venous catheters for haemodialysis causing an extra-cardiac right-to-left shunt.

Central venous catheters can provide long-term access for haemodialysis patients who cannot have an arteriovenous fistula or graft fashioned. However, long-term central venous catheter use for haemodialysis may lead to complications including central venous stenosis, and superior vena cava obstruction in its worst form. Here, we describe the case of a patient on haemodialysis via central venous catheters for over 20 years, in whom chronic superior vena cava obstruction led to the development of mediastinal collateral vessels. These drained deoxygenated systemic venous blood into the oxygenated

Is there any robust evidence showing that SGLT2 inhibitor use predisposes to acute kidney injury?

A novel class of oral glucose lowering drugs, sodium-glucose co-transporter type 2 inhibitors (SGLT2is), has shown additional beneficial effects on body weight, serum uric acid levels, blood pressure, and cardiac and renal function. Conflicting data have been published regarding the potential risk of acute kidney injury (AKI) when using SGLT2is. Aim of this manuscript was to review the current literature on this issue. SGLT2is induce a mild acute decline in estimated glomerular filtration rate, attributed to the effect of proximal tubular natriuresis on tubuloglomerular feedback through increa

A multidisciplinary case report of multiple myeloma with renal and cardiac involvement: a look beyond amyloidosis.

BACKGROUND: Multiple myeloma (MM) is a malignant neoplasm associated with kidney involvement in nearly half of the patients. Cast nephropathy, monoclonal immunoglobulin deposition disease (MIDD), and light chain (AL) amyloidosis are the most common monoclonal immunoglobulin-mediated causes of renal injury. Cardiac involvement is also present in MM, characterized by restrictive cardiomyopathy generated by light chain deposit or amyloid. Thromboembolic complications such as deep vein thrombosis or pulmonary embolism are also described. CASE PRESENTATION: We present an unusual multidisciplinary

Lambda light chain-induced monoclonal gammopathy of renal significance, manifesting with Fanconi Syndrome and osteomalacia.

BACKGROUND: Monoclonal gammopathy of renal significance (MGRS) encompasses a heterogeneous group of kidney diseases in which a monoclonal immunoglobulin secreted by a clone of B cells or plasma cells causes kidney damage without meeting the hematological criteria for malignancy. Among the various forms of involvement, MGRS can manifest as a proximal tubule disorder, such as Fanconi syndrome (FS), characterized by urinary loss of phosphate, glucose, amino acids, uric acid and bicarbonate. Few cases of MGRS have been described in the literature, manifesting as FS and monoclonal production of lam

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… Some patients may relapse and require autologous bone marrow transplantation, so the patient continued to undergo controls with nephrology and hematology. … It is important to maintain knowledge of the MGRS in the practice of nephrology, neurology and hematology, maintaining a multidisciplinary work in the prevention of end-stage renal disease. …

Polish attitudes towards unspecified kidney donation: a cross-sectional study.

BACKGROUND: Chronic kidney disease effects about 4.2 million people in Poland, yet Polish organ donation research is rare. In addition, compared to other countries in the world, Poland has a relatively low living donation rate. Still, little is known about how Poles would react to the possibility of living kidney donation to strangers. A study was conducted to examine public opinion about living kidney donation, as well as their knowledge about it, willingness to donate to a stranger, and support for a possible expansion of existing Polish organ donation legislation to include living donation

What is the impact of blood pressure on neurological symptoms and the risk of ESKD in primary and secondary thrombotic microangiopathies based on clinical presentation: a retrospective study.

BACKGROUND: The impact of blood pressure on neurological symptoms and risk of end-stage kidney disease (ESKD) is unknown in primary and secondary thrombotic microangiopathies (TMAs). METHODS: We measured baseline systolic (SBP) and diastolic (DBP) BP in consecutive 563 patients with adjudicated primary and secondary TMAs, and assessed its association with the risk of ESKD. RESULTS: Normal BP, grade 1, 2 and 3 hypertension were present in 243 (43.1%), 132 (23.4%), 101 (17.9%) and 88 (15.6%), respectively. Significant BP differences were noted in relation to the cause of TMA: highest BP values

Incidence and cost of haemolytic uraemic syndrome in urban China: a national population-based analysis.

BACKGROUND: Haemolytic uraemic syndrome (HUS) is a severe syndrome that causes a substantial burden for patients and their families and is the leading cause of acute kidney injury in children. However, data on the epidemiology and disease burden of HUS in Asia, including China, are limited. We aimed to estimate the incidence and cost of HUS in China.  METHODS: Data about HUS from 2012 to 2016 were extracted from the Urban Employee Basic Medical Insurance (UEBMI) and Urban Resident Basic Medical Insurance (URBMI) databases. All cases were identified by ICD code and Chinese diagnostic terms. The

Racial disparities and trends in kidney transplant outcomes in patients with Alport syndrome.

BACKGROUND: Registry data from Europe has shown an increase in age at end-stage kidney disease for patients with Alport syndrome in recent years. Whether a similar delay in transplant age has occurred in the United States for Alport patients across all racial/ethnic groups is unknown. MATERIALS AND METHODS: We used data from the Scientific Registry of Transplant Recipients (SRTR) to identify 3,794 Alport patients transplanted between 12/1987 and 12/2017. We divided the study period into five equal eras to assess temporal trends in age at transplant, graft survival, and patient survival across

Pneumocystis pneumonia in patients with primary nephrotic syndrome.

OBJECTIVE: The aim of this study was to analyze the clinical features, risk factors, and outcomes of patients with primary nephrotic syndrome (PNS) who developed Pneumocystis pneumonia (PCP). MATERIALS AND METHODS: We systematically reviewed medical records from 18 PNS patients with PCP admitted to our hospital from April 2007 to April 2019. A total of 180 cases were randomly selected as controls from PNS inpatients without infection. RESULTS: In PCP patients, the mean age at presentation was 48.5 years, mean duration of prednisone treatment was 3.7 months, and mean prednisone dose on admiss

Late antibody-mediated rejection in a kidney transplant recipient: COVID 19 induced?

BACKGROUND: Antibody-mediated rejection (AMR) was described in kidney transplant patients after viral infections, such as the cytomegalovirus. Very few cases were recently reported after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, probably in the context of lowering of immunosuppressive therapy. To date, no direct immunological link was proved to explain a connection between the coronavirus disease 19 (COVID-19) infection and antibody-mediated rejection (AMR) if it exists. CASE PRESENTATION: Here we try to find this association by presenting the case of a low immun

Case report: Successful simultaneous heart-kidney transplantation across a positive complement-dependent cytotoxic crossmatch.

Preformed donor-specific antibodies are associated with a higher risk of rejection and worse graft survival in organ transplantation. However, in heart transplantation, the risk and benefit balance between high mortality on the waiting list and graft survival may allow the acceptance of higher immunologic risk donors in broadly sensitized recipients. Transplanting donor-recipient pairs with a positive complement dependent cytotoxic (CDC) crossmatch carries the highest risk of hyperacute rejection and immediate graft loss and is usually avoided in kidney transplantation. Herein we report the fi

Self-reported chronic kidney disease and the risk of all-cause and cause-specific mortality: outcome-wide association study of 54 causes of death in the National Health Interview Survey.

BACKGROUND: A diagnosis of chronic kidney disease has been strongly associated with cardiovascular disease and mortality in a number of studies, but the association with specific causes of death has not been assessed in detail. We analysed the association between chronic kidney disease and all-cause mortality and 54 causes of death in the National Health Interview Survey, a prospective study of 210,748 US adults. METHODS: We used multivariable Cox regression models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for all-cause and cause-specific mortality associated with sel

First case of a renal cyst infection caused by Desulfovibrio: a case report and literature review.

BACKGROUND: Genus Desulfovibrio species is a sulphate-reducing anaerobic gram-negative rod that resides in the human oral cavity and intestinal tract. It was reported as the causative pathogen of bacteraemia and abdominal infections, but not renal cyst infection, and Desulfovibrio fairfieldensis has higher pathogenicity than other Desulfovibrio species. CASE PRESENTATION: A 63-year-old man was on haemodialysis for end-stage renal failure due to autosomal dominant polycystic kidney disease. On admission, he had a persistent high-grade fever, right lumbar back pain, and elevated C-reactive prot

Bartonella endocarditis and diffuse crescentic proliferative glomerulonephritis with a full-house pattern of immune complex deposition.

BACKGROUND: Bartonella endocarditis is often a diagnostic challenge due to its variable clinical manifestations, especially when it is first presented with involvement of organs other than skin and lymph nodes, such as the kidney. CASE PRESENTATION: This was a 13-year-old girl presenting with fever, chest and abdominal pain, acute kidney injury, nephrotic-range proteinuria and low complement levels. Her kidney biopsy showed diffuse crescentic proliferative glomerulonephritis with a full-house pattern of immune complex deposition shown by immunofluorescence, which was initially considered cons

Differences in physical symptoms between those with and without kidney disease: a comparative study across disease stages in a UK population.

BACKGROUND: Those living with kidney disease (KD) report extensive symptom burden. However, research into how symptoms change across stages is limited. The aims of this study were to 1) describe symptom burden across disease trajectory, and 2) to explore whether symptom burden is unique to KD when compared to a non-KD population. METHODS: Participants aged > 18 years with a known diagnosis of KD (including haemodialysis (HD) and peritoneal dialysis (PD)) and with a kidney transplant) completed the Leicester Kidney Symptom Questionnaire (KSQ). A non-KD group was recruited as a comparative grou

Annual wellness visits and care management before and after dialysis initiation.

INTRODUCTION: Demands of dialysis regimens may pose challenges for primary care provider (PCP) engagement and timely preventive care. This is especially the case for patients initiating dialysis adjusting to new logistical challenges and management of symptoms and existing comorbid conditions. Since 2011, Medicare has provided coverage for annual wellness visits (AWV), which are primarily conducted by PCPs and may be useful for older adults undergoing dialysis. METHODS: We used the OptumLabs® Data Warehouse to identify a cohort of 1,794 Medicare Advantage (MA) enrollees initiating dialysis in

Association between physical activity and mortality in end-stage kidney disease: a systematic review of observational studies.

BACKGROUND: End-stage Kidney Disease patients have a high mortality and hospitalization risk. The association of these outcomes with physical activity is described in the general population and in other chronic diseases. However, few studies examining this association have been completed in end-stage Kidney Disease patients, raising the need to systematically review the evidence on the association of physical activity with mortality and hospitalization in this population. METHODS: Electronic databases (EBSCO, Scopus and Web of Science) and hand search were performed until March 2020 for obser

Low serum parathyroid hormone is a risk factor for peritonitis episodes in incident peritoneal dialysis patients: a retrospective study.

BACKGROUND: Serum parathyroid hormone (PTH) levels have been reported to be associated with infectious mortality in peritoneal dialysis (PD) patients. Peritonitis is the most common and fatal infectious complication, resulting in technique failure, hospital admission and mortality. Whether PTH is associated with peritonitis episodes remains unclear. METHODS: We examined the association of PTH levels and peritonitis incidence in a 7-year cohort of 270 incident PD patients who were maintained on dialysis between January 2012 and December 2018 using Cox proportional hazard regression analyses. P