4.7 Article

Determinants and Dynamic Changes of Generic Quality of Life in Human Bladder Cancer Patients

Journal

JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 23, Pages -

Publisher

MDPI
DOI: 10.3390/jcm10235472

Keywords

quality of life; bladder cancer; dynamic changes; cystectomy

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The study on long-term generic quality-of-life changes in bladder cancer patients found that factors influencing QOL included marital status, monthly income, comorbidities, type of treatment, and age. Radical cystectomy was associated with lower QOL scores, particularly in older patients, while tumor recurrence predicted lower scores in sexual activity for patients with non-muscle-invasive bladder cancer. It is important to discuss these factors with patients before treatment.
We measured and determined the factors associated with long-term generic quality-of-life (QOL) changes in human bladder cancer patients. We utilized the World Health Organization QOL-Brief questionnaire to assess consecutive patients' QOL at outpatient clinics of our hospital. A mixed-effects model was constructed to investigate the determinants of QOL changes according to each domain and individual item after controlling for demographic and clinical factors, as well as the effect of radical cystectomy. We also applied a kernel smoothing method to describe the long-term dynamic changes after the first definite treatment. In total, 1185 repeated measurements were collected from 343 bladder cancer patients. The mixed-effects models demonstrated that marital status, monthly income, and comorbidity with heart disease and diabetes were significant determinants among all the study participants. Regardless of the urinary diversion type, radical cystectomy contributed to lower scores for all four domains, mainly from 4-5 years after cystectomy, which declined significantly in patients who were older than 60 years. As for non-muscle-invasive bladder cancer (NMIBC) patients with preserved bladders, tumor recurrence was a major predictor for lower scores for sexual activity in the social domain. In summary, generic QOL can be independently influenced by many factors, not only cystectomy and tumor recurrence, which should be discussed with patients before treatment.

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