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A Nationwide, Population Based Analysis of Patients with Organ Confined, Muscle Invasive Bladder Cancer Not Receiving Curative Intent Therapy in Sweden from 1997 to 2014
Akad Sjukhuset, Urol Kliniken, Uppsala, Sweden.
Danderyds Sjukhus, Urol Kliniken, Stockholm, Sweden.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
Datacision Ltd, Beaconsfield, England.
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2019 (English)In: Journal of Urology, ISSN 0022-5347, E-ISSN 1527-3792, Vol. 202, no 5, p. 905-912Article in journal (Refereed) Published
Abstract [en]

Purpose: While radical cystectomy remains the standard treatment of muscle invasive bladder cancer, the natural history of patients unable or unwilling to receive therapy with curative intent is not well understood. The study objective was to identify these patients in a population based cohort, investigate the clinical profile and describe time to mortality.

Materials and Methods: We analyzed the Bladder Cancer Data Base Sweden, a database collected from 1997 to 2014, and identified 9,811 patients with stage T2-T4 disease. Median overall and cancer specific survival was estimated by the Kaplan-Meier method. Relative risks due to prognostic factors were estimated using Cox proportional hazards models.

Results: Of the 5,592 patients who did not receive therapy with curative intent 68% were male and 32% were female with a median age of 79 and 81 years, respectively. After 1 year patients had been hospitalized an average of 2.1 times for an average of 18.8 days. Major and minor urological surgeries were the most commonly registered procedures during these hospitalizations. Median overall survival was worse in women than in men (7 vs 8 months). Risk factors for death from bladder cancer were higher tumor stage, age greater than 80 years, later year of diagnosis and female gender. Organ confined disease (T2-T3 M0) was diagnosed in 1,352 patients (24%). These patients had a median of 2.4 hospitalizations per patient during the first 12 months after diagnosis. Half of these hospitalizations were due to cancer or genitourinary symptoms. Median overall survival in the organ confined subgroup was 11 months. Most of these patients had stage N0 disease. They had 2-month longer median overall survival but otherwise similar outcomes.

Conclusions: These patients experience substantial disease specific morbidity. They are hospitalized frequently during the final year of life and primarily die of bladder cancer progression.

Place, publisher, year, edition, pages
LIPPINCOTT WILLIAMS & WILKINS , 2019. Vol. 202, no 5, p. 905-912
Keywords [en]
urinary bladder neoplasms, palliative care, survival analysis, mortality, Sweden
National Category
Urology and Nephrology
Identifiers
URN: urn:nbn:se:uu:diva-398416DOI: 10.1097/JU.0000000000000350ISI: 000496924200062PubMedID: 31144594OAI: oai:DiVA.org:uu-398416DiVA, id: diva2:1377093
Funder
Swedish Cancer Society, CAN 2016/470Swedish Cancer Society, CAN 2017/278Available from: 2019-12-11 Created: 2019-12-11 Last updated: 2019-12-11Bibliographically approved

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Lindhagen, LarsMalmström, Per-Uno

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