AI Article Synopsis
- The study examined the risk factors and incidences of deep vein thrombosis (DVT) following radiofrequency ablation (RFA) and laser ablation (LA) procedures for treating superficial venous insufficiency.
- There were 256,999 patients considered, with a DVT incidence of 1.9% at 7 days and 3.1% at 30 days; LA showed a lower DVT rate (2.8%) than RFA (3.4%).
- Factors such as being female, having sclerotherapy on the same day, or undergoing LA reduced DVT risk, while having peripheral artery disease or undergoing stab phlebectomy increased the risk within 30 days.
Article Abstract
Background: The rates of thromboembolic complications such as deep vein thrombosis (DVT) after venous ablation procedures for symptomatic superficial venous insufficiency are controversial. We sought to describe the risk factors for and incidence of DVT after radiofrequency ablation (RFA) and laser ablation (LA).
Methods: We queried the Truven Health Marketscan Database from 2007-16 for patients who underwent RFA or LA and had a follow-up duplex ultrasound within 30 days of the ablation procedure. The primary outcome was DVT at 7 and 30 days identified by International Classification of Diseases-9 and International Classification of Diseases-10 codes. Multivariable regression was used to evaluate the patient and procedural variables associated with a DVT at 30 days, expressed as odds ratios (ORs) with a 95% confidence interval (95% CI). Patients and procedures with a previous DVT diagnosis were excluded.
Results: A total of 256,999 patients underwent 433,286 ablation procedures: 192,195 (44.4%) RFA and 241,091 LA. Of these, 8,203 (1.9%) had a newly diagnosed DVT within 7 days and 13,347 (3.1%) within 30 days of the procedure. The incidence of DVT decreased over the study period. LA (2.8%) demonstrated a lower incidence of DVT at 30 days compared with RFA (3.4%), P < 0.001. On multivariable regression, LA (OR, 0.82; 95% CI 0.80-0.85) was again associated with a decreased risk for 30-day DVT, as was female gender (OR, 0.74; 95% CI, 0.71-0.77), and sclerotherapy performed on the same day (OR, 0.91; 95% CI, 0.85-0.98). A diagnosis of peripheral artery disease (OR, 1.23; 95% CI, 1.16-1.31) and concomitant stab phlebectomy (OR, 1.43; 95% CI, 1.37-1.49) was associated with an increased risk of DVT within 30 days.
Conclusions: The incidence of newly diagnosed DVT within 30 days of an ablation procedure was 3.2%. The risk for DVT decreased in recent years, and LA was associated with an 18% decreased risk compared with RFA.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8555659 | PMC |
| http://dx.doi.org/10.1016/j.avsg.2019.04.008 | DOI Listing |
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