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Pulmonary embolism secondary to deep venous thrombosis: A retrospective and observational study for clinical characteristics and risk stratification.
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- Author(s): Chen, Xiaoying; Liu, Xian; Liu, Jinglun; Zhang, Dan
- Source:
Phlebology; Sep2021, Vol. 36 Issue 8, p627-635, 9p- Subject Terms:
PULMONARY embolism; SCIENTIFIC observation; PREDICTIVE tests; OPERATIVE surgery; RETROSPECTIVE studies; PULMONARY artery; RISK assessment; SEX distribution; SEVERITY of illness index; SYMPTOMS; OBSTRUCTIVE lung diseases; DESCRIPTIVE statistics; RECEIVER operating characteristic curves; DISEASE risk factors - Source:
- Additional Information
- Abstract: Objective: To investigate the risk factors, predilection sites in pulmonary embolism (PE) patients caused by deep venous thrombosis (DVT) and explore the value of scoring systems in assessing the risk of PE in DVT patients. Methods: A total of 692 DVT patients were enrolled, and divided into no pulmonary embolism (NPE, 226, 32.66%), silent pulmonary embolism (SPE, 330, 47.67%) and featuring pulmonary embolism (FPE, 136, 19.65%) groups. For each group, the differences of clinical data and PE locations were compared, and the risk factors of PE secondary to DVT were analyzed. The predictive value of the scoring system for the diagnosis of PE and FPE was evaluated. Results: PE presented more in the bilateral pulmonary arteries (PAs) (249, 53.43%) and has no significant difference in PESI scores in different locations. Gender, DVT locations, and previous surgery were the independent risk factors of PE. DVT locations, previous history of COPD, and previous surgical interventions were the independent risk factors of FPE. The results for areas under the ROC curves were: AUC
(Wells) = 0.675, AUC(Revised Geneva) = 0.601, AUC(D-dimer) = 0.595 in the PE group; AUC(Wells) = 0.722, AUC(Revised Geneva) = 0.643, AUC(D-dimer) = 0.557 in the FPE group. Conclusions: PE secondary to DVT mostly occurs in the bilateral PAs. Male gender, DVT locations, and previous surgery increased the risk of PE. The Wells scoring system was more advantageous for evaluating the diagnosis of PE in patients with DVT. [ABSTRACT FROM AUTHOR] - Abstract: Copyright of Phlebology is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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