Patients, attending for outpatient haemodialysis and peritoneal dialysis to be tested for gastrointestinal tract bacterial population by taking a single mouth swab, and a stool sample. Additional blood sampling, when patients are having blood tests for routine clinical assessment.
. This is a prospective observational pilot study to analyse gastrointestinal tract bacterial populations in peritoneal dialysis and haemodialysis patients under the care of the Royal Free Hospital with chronic kidney disease who have been established on regular haemodialysis and peritoneal dialysis treatments in a Royal Free Hospital kidney care centre.