Abstract:
BACKGROUND:The incidence, risk factors, time course, and impact on survival of venous thromboembolism (VTE) in a large, population-based study of patients with bladder cancer have not been identified previously. METHODS:The California Cancer Registry was merged with the California Patient Discharge Data Set to determine the incidence of VTE in patients with newly diagnosed bladder cancer within a 6-year period. Cox proportional hazards models were used to determine the risk factors for VTE and the effects of VTE on survival. RESULTS:Among 24,861 patients with bladder cancer, the 2-year incidence of VTE was 1.9%. The highest incidence of VTE occurred in the first 6 months regardless of age, sex, race, tumor stage, or histologic subtype. In a multivariate model, significant risk factors for the development of VTE included major surgery, advancing disease stage, and increasing number of comorbidities. Compared with the general population, the 1-year standardized incidence ratio for VTE in the bladder cancer cohort was 5.3 (95% confidence interval, 4.8-5.9). Among patients with bladder cancer, significant risk factors for death included advancing disease stage, increasing comorbidities, African-American race, nontransitional cell carcinoma histology, and the development of VTE. CONCLUSIONS:Patients with bladder cancer had a 1.9% 2-year incidence of VTE. Metastatic disease was the strongest predictor of both VTE and death. It was noteworthy that cancer-associated surgery was associated with a higher risk of VTE, which differed from the results reported from other studies in solid tumors. VTE was a significant predictor of death in the first 2 years.
journal_name
Cancerjournal_title
Cancerauthors
Sandhu R,Pan CX,Wun T,Harvey D,Zhou H,White RH,Chew HKdoi
10.1002/cncr.25004subject
Has Abstractpub_date
2010-06-01 00:00:00pages
2596-603issue
11eissn
0008-543Xissn
1097-0142journal_volume
116pub_type
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