Abstract
Shock wave lithotripsy (SWL) is a well-established treatment for kidney stone disease (KSD) and despite its decreased popularity in the past, it has now gained renewed interest due to its minimally invasive nature and good outcomes, especially in the face of COVID-19 pandemic. The aim of our study was to perform a service evaluation to analyse and identify quality of life (QoL) changes [using Urinary Stones and Intervention Quality of Life (USIQoL) questionnaire] after repeat SWL treatments. This would enable a greater understanding of SWL treatment and reduce the current gap of knowledge regarding patient specific outcomes in the field. Patients affected by urolithiasias underwent SWL treatment between September 2021 and February 2022 (6 months), were included in the study. A questionnaire was given to the patients in each SWL session and consisted of three main topic areas: a domain on Pain and Physical Health, on Psycho-social Health and on Work (see appendix below). Patients also completed a Visual Analogue Scale (VAS) in relation to the pain related to the treatment. Data from the questionnaires were collected and analysed. A total of 31 patients filled in two or more surveys, with a mean age of 55.8 years. On repeat treatments, pain and physical health domain was significantly better (p = 0.0046), psycho-social health domain was significantly better (p <0.001), work domain was significantly better (p = 0.009) and a correlation [on Visual Analog Scale (VAS)] was observed between pain decreasing in subsequent SWL procedures. Our study found that the choice of SWL to treat KSD does improve a patient's QoL. This could be related to improvement of physical health, psychological and social wellbeing, and ability to work. Higher QoL and low pain scores are observed in relation to repeat SWL treatment and are not directly associated to stone-free status.
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