Abstract:
BACKGROUND:It is unclear what proportion of VTE events in lung cancer patients are incidentally discovered and whether incidental events affect mortality. PATIENTS AND METHODS:We conducted a retrospective cohort study of lung cancer patients seen at the University of Rochester between January 1, 2006 and December 31, 2008 with the goal of quantifying and characterizing VTE events. Multiple clinical variables and mortality outcomes were compared using Kaplan-Meier survival analysis and multivariate Cox proportional hazards. RESULTS:The study population consisted of 207 subjects with lung cancer. The median age was 66 years and 55% were female (n = 115). Thirty-one patients (14.9%) experienced at least 1 VTE event with 32.2% (10/31) of these incidentally discovered. Incidental events comprised 29.4% (n = 5) of pulmonary embolisms, 11.1% (n = 2) of deep vein thrombosis, and 100% (n = 3) of visceral events. The median survival for patients with incidental VTE was 23.4 months (95% confidence interval [CI], 4.8-32.1) compared with 45.8 months (95% CI, 34.1-56.8) in patients without VTE (HR 2.4; 95% CI, 1.2-4.9; P = .01), but in a subgroup analysis of stage IV patients overall survival was not significantly different (HR, 0.94; P = .33). Patients with clinically suspected VTE had the lowest median survival at 13.1 months (95% CI, 6.4-18.9) which was significantly lower than patients without VTE (HR, 2.7; 95% CI, 1.6-4.5; P = .002), but not significantly different from patients with incidental VTE (HR, 1.2; 95% CI, 0.4-2.0; P = .7). In multivariate analysis, occurrence of VTE (HR, 2.3; 95% CI, 1.3-3.8; P = .002) was significantly associated with mortality when adjusting for age, stage, and histology. CONCLUSIONS:One-third of VTE events in lung cancer patients are incidentally discovered and VTE has negative clinical effect in lung cancer patients.
journal_name
Clin Lung Cancerjournal_title
Clinical lung cancerauthors
Connolly GC,Menapace L,Safadjou S,Francis CW,Khorana AAdoi
10.1016/j.cllc.2013.06.003subject
Has Abstractpub_date
2013-11-01 00:00:00pages
713-8issue
6eissn
1525-7304issn
1938-0690pii
S1525-7304(13)00131-9journal_volume
14pub_type
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pub_type: 杂志文章,多中心研究,随机对照试验
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pub_type: 临床试验,杂志文章,多中心研究
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pub_type: 杂志文章,多中心研究
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