期刊
CANCER MEDICINE
卷 6, 期 11, 页码 2732-2744出版社
WILEY
DOI: 10.1002/cam4.1201
关键词
Breast cancer; central venous catheter; chemotherapy; risk factors; venous thromboembolism
类别
资金
- Programme hospitalier de recherche clinique (PHRC AOM) [K070104, ID RCB : 2007-A01123-5]
Previous epidemiologic studies investigating central venous catheter (CVC)-related venous thromboembolism (CRT) were conducted in heterogenous cancer populations and data in breast cancer (BC) remain limited. To investigate the Doppler ultrasound (DUS)-CRT incidence, risk factors and outcomes in BC, we designed a prospective, multicenter cohort of nonmetastatic invasive BC patients undergoing insertion of a CVC for chemotherapy. All patients underwent double-blind DUS before, 7, 30, and 90days after CVC insertion and a 6months clinical follow-up. Symptomatic DUS-CRT were treated by anticoagulants. D-Dimers, thrombin generation, and platelet-derived microparticles were measured before and 2days after CVC placement. In DUS-CRT patients, a nested case-control study analyzed the role of thrombophilia. Among 524 patients, the DUS-CRT (14 symptomatic, 46 asymptomatic) cumulative probability was 9.6% at 3months and 11.5% at 6months (overall incidence rate: 2.18/100 patient-months). Ten/14 symptomatic DUS-CRT were detected on double-blind DUS before the clinical symptoms, and 3/14 had a simultaneous pulmonary embolism. No clinical thrombotic event subsequently occurred in untreated asymptomatic DUS-CRT. Age >50years (OR, 1.80; 95% CI, 1.01-3.22), BMI >30kg/m(2) (OR, 2.64; 95% CI, 1.46-4.76) and comorbidities (OR, 2.05; 95% CI, 1.18-3.56) were associated with DUS-CRT. No biomarkers was found to predict DUS-CRT. In multivariate analysis, BMI >30kg/m(2) (OR, 2.66; 95%CI, 1.46-4.84) and lobular carcinoma histology (OR, 2.56; 95%CI, 1.32-4.96) remained the only significant DUS-CRT risk factors. Thrombophilia did not account for DUS-CRT. Only clinical parameters identified high risk DUS-CRT patients who may be considered for thromboprophylaxis.
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