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Year : 2018  |  Volume : 2  |  Issue : 2  |  Page : 71-74

How effective is a departmental registry follow-up form for improving retrieval of inferior vena cava filters? A single-center experience

1 King Abdullah International Medical Research Center, College of Medicine, King Saud Bin Abdulaziz University For Health Sciences, Ministry of the National Guard Health Affairs, Riyadh, Saudi Arabia
2 Department of Medical Imaging, Division of Vascular Interventional Radiology, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Ministry of the National Guard Health Affairs, Riyadh, Saudi Arabia

Correspondence Address:
Dr. Mohammad Arabi
Department of Medical Imaging, King Abdulaziz Medical City, National Guard Health Affairs, P.O Box. 22490, Riyadh 11426
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/AJIR.AJIR_20_18

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Purpose: This study evaluated the impact of a departmental registry follow-up form on the retrieval rate of retrievable inferior vena cava (IVC) filters. Materials and Methods: We performed a case–controlled retrospective study of all patients who had received such filters 2 years before and after the follow-up registry was implemented at the study center in June 2015. Patients were analyzed based on age, gender, indication, type of filter, date and location of filter insertion, date of retrieval, dwelling time, and previous attempts at retrieval. The two groups were compared in terms of filter type, rate of retrieval, and dwelling time, before and after the registry was implemented. Results: Between June 2013 and May 2017, 307 filters were inserted in 183 males and 124 females. Of these filters, 296 (96.42%) were placed below the renal veins and 11 (3.58%) were placed suprarenally. A total of 148 (48.21%) filters were inserted before implementing the follow-up form and 159 (51.79%) were inserted afterward. The retrieval rate was 35.81% before implementation of the registry form and 38.36% afterward. The mean dwelling time of retrieved filters prior to implementation was 32 days and 48 days during the 2 years after implementation, respectively. Filter retrieval was successful in 110 patients from the first attempt (96.49%) and four patients required more than one attempt (3.51%). Conclusion: The departmental vena cava filters' registry resulted in minimal improvement of retrievability rates. Younger age was associated with increased likelihood of retrieval. These data suggest that additional measures are required to further enhance retrieval rates.

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