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Prognostic factors for operable biliary tract cancer: serum levels of lactate dehydrogenase, a strong association with survival

Overview of attention for article published in OncoTargets and therapy, May 2018
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Title
Prognostic factors for operable biliary tract cancer: serum levels of lactate dehydrogenase, a strong association with survival
Published in
OncoTargets and therapy, May 2018
DOI 10.2147/ott.s150502
Pubmed ID
Authors

Ling Ma, Jinrong Qiu, Yaodong Zhang, Tianzhu Qiu, Biao Wang, Wensen Chen, Xiao Li, Jing Sun, Ke Wang, Xiangcheng Li, Yanhong Gu, Yongqian Shu, Xiaofeng Chen

Abstract

Biliary tract cancers (BTCs) are uncommon but fatal, with a low 5-year survival rate after surgical resection. This study was designed to investigate the prognostic factors for operable BTC. Baseline demographics at diagnosis were retrospectively evaluated in 341 BTC patients undergoing radical surgery at The First Affiliated Hospital of Nanjing Medical University from January 2011 to December 2015. The association between prognostic factors and overall survival (OS) was determined by multivariate analysis using the Cox proportional hazards regression model. Our study showed that 341 patients were included in the analysis, of which 166 (48.7%) were males and 175 (51.3%) were females. Older age, depth of tumor invasion, positive surgical margin, lower hemoglobin, and higher lactic dehydrogenase (LDH) were associated with significantly worse OS using multivariate analysis. In the entire cohort, the estimate of median OS in patients with LDH <271 U/L was 36.291 months (95% CI; 30.989-41.594 months), and 30.736 months (95% CI; 19.154-42.318 months) in patients with LDH ≥271 U/L (adjusted HR-1.505, 95% CI; 1.009-2.245, P = 0.045). Moreover, it was investigated whether serum LDH retained its significance as a prognostic marker in BTC subgroups separately. The results showed that LDH was prognostic in patients with distal bile duct (DBD) carcinoma undergoing radical surgery (HR-2.452, 95% CI; 1.167-5.152, P = 0.018). However, there were no statistical differences between LDH and OS in multivariate analysis in the other three individual subgroups except for DBD carcinoma. This may be due to the limited number of patients in the study, indicating that a greater number of patients may be required for statistical significance. Older age, depth of tumor invasion, positive surgical margin status, lower hemoglobin levels, and elevated serum LDH level are associated with poor survival in operable BTC patients. Serum LDH level is a cost-effective prognostic biomarker in patients with operable BTC and especially DBD carcinoma.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 10 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 10 100%

Demographic breakdown

Readers by professional status Count As %
Unspecified 4 40%
Librarian 2 20%
Student > Postgraduate 1 10%
Other 1 10%
Professor > Associate Professor 1 10%
Other 1 10%
Readers by discipline Count As %
Unspecified 7 70%
Computer Science 1 10%
Neuroscience 1 10%
Medicine and Dentistry 1 10%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 May 2018.
All research outputs
#11,518,403
of 12,959,714 outputs
Outputs from OncoTargets and therapy
#1,174
of 1,669 outputs
Outputs of similar age
#234,494
of 269,408 outputs
Outputs of similar age from OncoTargets and therapy
#46
of 54 outputs
Altmetric has tracked 12,959,714 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,669 research outputs from this source. They receive a mean Attention Score of 2.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 54 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.