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The Vena Tech LP Permanent Caval Filter: Effectiveness and Safety in the Clinical Setting in Three Chinese Medical

Fuxian Zhang1, Dajun Li2, Jianlong Liu3

  • 1Department of Vascular Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.

Thrombosis Research
|May 25, 2015
PubMed

Insights

Vena Tech LP caval filters demonstrated effectiveness and safety for preventing pulmonary embolism (PE) in Chinese patients. The study showed good long-term patency and stability in both the inferior vena cava (IVC) and superior vena cava (SVC).

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Cardiology

Background:

  • Pulmonary embolism (PE) remains a significant cause of morbidity and mortality.
  • Inferior vena cava (IVC) and superior vena cava (SVC) filters are used to prevent PE in high-risk patients.
  • Limited data exists on the long-term outcomes of specific caval filter devices in the Chinese population.

Purpose of the Study:

  • To evaluate the effectiveness, safety, and patient outcomes of Vena Tech LP caval filter placement.
  • To assess the long-term patency and stability of the Vena Tech LP filter in both IVC and SVC.
  • To analyze complications and clinical adverse events associated with the Vena Tech LP filter in a Chinese cohort.

Main Methods:

  • Retrospective analysis of 1,200 patients who received Vena Tech LP caval filters between January 2002 and January 2013.
  • Data collection included patient demographics, DVT and PE status, filter placement details (femoral/jugular access, IVC/SVC location), complications, and follow-up.
  • Follow-up was conducted for an average of 6 years, assessing filter patency, recurrent PE, and mortality.

Main Results:

  • Filter placement was 100% successful via femoral or jugular veins for both IVC (1,138 patients) and SVC (62 patients) locations.
  • The 30-day morbidity rate was 2% and mortality was 0.5%.
  • Long-term follow-up (80% of patients) showed a 90% vena cava patency rate at 5 years, no recurrent PE, and a 2.4% long-term mortality rate.

Conclusions:

  • Vena Tech LP caval filter placement is an effective and safe procedure for preventing PE in Chinese patients.
  • The Vena Tech LP filter demonstrates good long-term stability and a high patency rate in both IVC and SVC.
  • The study supports the use of Vena Tech LP filters for PE prevention with favorable patient outcomes.
Abstract

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