Resumen

GARCIA-LLANA, Helena; REMOR, Eduardo; PESO, Gloria del  y  SELGAS, Rafael. The role of depression, anxiety, stress and adherence to treatment in dialysis patients' health-related quality of life: a systematic review of the literature. Nefrología (Madr.) [online]. 2014, vol.34, n.5, pp.637-657. ISSN 1989-2284.  https://dx.doi.org/10.3265/Nefrologia.pre2014.Jun.11959.

Health-related quality of life (HRQOL) has been widely studied in the field of dialysis patients. However, there are few studies that include relationships of psychosocial variables and adherence to treatment with HRQOL. The aim of this review is to systematically synthesise available information on the role that psychological variables (depression, anxiety and stress) and adherence to treatment have on HRQOL of dialysis patients through a systematic narrative review. We selected studies that included and related, in their results psychological variables (at least one of the following: depression, anxiety or perceived stress), adherence to treatment and HRQOL in adults on dialysis due to advanced chronic kidney disease (ACKD). The studies included had to incorporate standardised instruments into their assessment protocol. We searched the MEDLINE and PsycINFO databases from January 2002 to August 2012. Thirty-eight studies were included in this review and we assessed their methodological quality. The review revealed that 100% of the studies identified a negative association between indicators of anxiety, depression and stress and HRQL, indicating that these variables are risk factors for quality of life. Adherence to treatment was associated with psychological factors and HRQOL in 8% (N=3) of the studies included and has been demonstrated to be a protective factor for quality of life in 66% of studies (2 of 3) that included this variable. Considering the effect of these variables on HRQOL, it is important to screen for early indicators of anxiety, stress and depression or difficulties in complying with treatment in the ACKD population on dialysis. This will allow preventive interventions to be carried out before HRQOL deteriorates.

Palabras clave : Health-related quality of life; Depression; Anxiety; Stress; Adherence; Dialysis; ESRD; Systematic Review.

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