Oral health-related quality of life in adult patients with end-stage kidney diseases undergoing renal replacement therapy – a systematic review.

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The oral health of patients undergoing renal replacement therapy (RRT) is insufficient. Poor oral health and its components can affect the oral health-related quality of life (OHRQoL) of these patients. The aim of this systematic review was to assess the OHRQoL of adult patients under RRT.A systematic literature search was performed using the terms: dialysis OR “renal disease” OR kidney OR “renal failure” OR “kidney transplantation” OR hemodialysis OR “peritoneal dialysis” OR “renal replacement therapy” AND “oral health-related quality of life”, complemented by manual search. Clinical studies including adults (age ≥ 18 years) that were published between 2009 and 2019 were included in qualitative analysis.Twelve out of 20 studies were included in the qualitative analysis. The majority (11/12 studies) included patients undergoing haemodialysis (HD), with a sample size between 47 and 512 participants. Two studies included patients after kidney transplantation. Only one-quarter of the investigations included a healthy control group. The overall OHRQoL was found to be reduced. The majority of studies found relationships between OHRQoL and different oral health parameters. Furthermore, several relationships between OHRQoL and general quality of life as well as disease related parameters including age, gender, diabetes, blood parameters and dialysis duration were found. OHRQoL subscales psychological/psychosocial impairment and pain were predominantly affected.Patients under RRT suffer from a reduced OHRQoL, which is potentially influenced by oral health and disease related parameters. Interdisciplinary dental care is needed and should consider both physical and psychosocial issues.

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