Inferior Vena Cava (IVC) Filter Placement in Patient with Nickel Allergy
by Jodi Veach1*, Aaron Rohr2
1School of Medicine/University of Kansas Medical Center, Kansas City, Kansas, USA
2Department of Radiology/University of Kansas Medical Center, Kansas City, Kansas, USA
*Corresponding author: Jodi Veach, School of Medicine/University of Kansas Medical Center, Kansas City, Kansas, USA
Received Date: 25 August 2024
Accepted Date: 29 August 2024
Published Date: 02 September 2024
Citation: Veach J, Rohr A (2024) Inferior Vena Cava (IVC) Filter Placement in Patient with Nickel Allergy. Ann Case Report. 9: 1953. https://doi.org/10.29011/2574-7754.101953
Abstract
This case report describes the successful placement of an Inferior Vena Cava (IVC) filter in a 68-year-old female patient with a known nickel allergy, who presented with a parafalcine subdural hematoma, multifocal pulmonary embolism (PE), and deep venous thrombosis (DVT). The management was complicated by the competing hemorrhagic and thrombotic pathologies occurring, necessitating multidisciplinary team coordination. After thorough discussion among specialists and with the patient, the decision was made to proceed with IVC filter placement due to the considerable risk of further thromboembolism. The procedure was carried out successfully without premedication, and no allergic reactions were observed post-procedure. The patient’s condition remained stable, and follow-up imaging and lab work confirmed the efficacy of the IVC filter without evidence of hypersensitivity. This case demonstrates an interesting dilemma of having to use a relatively contraindicated device in a patient with a known allergy to its material. Given the limited literature available to guide medical management in such complex cases, sharing examples of outcomes like this is crucial for improving clinical practice.
Keywords: Inferior Vena Cava Filter; Nickel Allergy; Pulmonary Embolism.
Introduction
A retrievable IVC filter containing nickel was placed in-patient with a known history of nickel allergy, which was medically necessary for continued protection from a mobile embolizing deep vein thrombus. The patient experienced no symptoms or signs of allergic reaction despite her known history of nickel allergy. Documentation of this case may help providers weigh risk/benefit profiles in complicated patients such as this. Additionally, a multidisciplinary approach proved vital for the care of this patient and is highly valuable in these tenuous situations.
Case History/Examination:
A 68-year-old female presented to the emergency department after a ground-level fall, sustaining an injury to the back of her head. The patient was on Eliquis for atrial fibrillation. Upon examination, she appeared neurologically intact but had a posterior scalp laceration that required seven staples and two stitches. Initial imaging revealed a stable, thin, localized three mm left parafalcine subdural hematoma (Figure 1). The patient was admitted to the intensive care unit (ICU), where neurosurgery recommended head computed tomography (CT) scans every six hours, holding Eliquis, and administering Sentra to reverse its anticoagulant effects. The patient remained stable in the hospital with consistent CT head imaging and was discharged the following day. Neurosurgery advised restarting Eliquis in two weeks. Four days after discharge, the patient returned with dyspnea, hypoxia, and chest pressure, reporting shortness of breath since her discharge. A CT angiography revealed acute multifocal pulmonary embolism, prompting hospital readmission (Figure 2). A heparin drip was initiated after CT demonstrated her subdural hematoma was stable. A subsequent ultrasound demonstrated lower extremity DVTs. IVC filter placement was then recommended.
Methods
Discussions regarding the placement of an IVC filter revealed that the patient had a nickel allergy which causes itching, redness, and a rash when in contact with nickel-containing jewelry. This allergy is present in multiple family members. After hearing opinions from vascular surgery, interventional cardiology, and allergy subspecialists, it was agreed that the benefits of an IVC filter outweighed the risks of an allergic reaction. The patient understood the risks and agreed with the decision. The procedure was carried out without premedication to avoid masking any potential allergic reactions. An IVC filter was successfully placed, though an extended period was required to achieve hemostasis, necessitating a purse string suture (Figure 3). The patient reported soreness at the right neck site where the dressing was placed, but had no further complaints. Lab work did not indicate an allergic reaction, with all cell counts remaining stable. The patient restarted Eliquis one month after discharge. Two months later, an ultrasound confirmed residual thrombus in the femoral vein, leading to the decision to keep the IVC filter in place.
Figure 1: CT Head without contrast showing an acute trace left parafalcine subdural hematoma. No associated mass effect. There is moderate size left occipital calvarial contusion/hematoma without underlying calvarial fracture.
Figure 2: CTA Chest showing multifocal acute and new pulmonary thromboemboli with several areas of improved pulmonary thromboemboli and other old areas of thrombus. CT evidence of considerable right heart strain with RV/LV ratio calculated at 2.
Figure 3: The inferior vena cava filter was deployed just below the lowest renal vein inflow without incident, as shown in this image.
Conclusion and Result
This case illustrates the complexity of managing anticoagulation in a patient with both thrombotic and hemorrhagic risks. The decision to use an IVC filter was influenced by the multifocal nature of the DVT and the patient’s lack of cardiopulmonary reserve. The successful interdisciplinary approach shows the importance of collaborative care in complex cases. Despite the limited longterm follow-up data of IVC filter placement in patients with nickel allergy, providers managing this patient determined the protective benefit of the IVC filter outweighed the risk of endothelial allergic reaction. There was no appreciable hypersensitivity reaction following filter placement, despite the patient’s history of allergic reactions to skin contact with nickel.
Discussion
IVC filters are used to prevent emboli from traveling to pulmonary vasculature and causing pulmonary embolism (PE) in patients with contraindications to systemic anticoagulation [1]. Particularly in the case of a mobile femoral thrombus, the risk of PE developing is of great concern [2]. A study in 2015 evaluated mid- and long-term outcomes of patients with permanent IVC filters which showed that PEs were effectively prevented but venous thromboembolism (VTE) and post-thrombotic syndrome were common following the procedure [1]. They did not report any procedure or device-related mortality incidents. The typical complications associated with IVC filters have been studied and documented to include three categories: procedural, post-procedural, and retrieval [3]. In the randomized controlled PREPIC trial, the overall mortality benefit of placing an IVC filter was studied [4]. While the Journal of Vascular and Interventional Radiology recommends that patients with acute VTE and contraindication to anticoagulants should have an IVC filter placed, the literature fails to provide guidance on handling patients with a nickel allergy [5]. One case report documented an uneventful course of IVC filter placement in a patient with nickel hypersensitivity in 2014 [6]. Since all IVC filters contain nickel, continued documentation of placement in patients with a history of nickel allergy is necessary to help providers determine when the risk of reaction is worth placing a nickel-containing device.
Ethical Considerations: This case report does not require Institutional Review Board approval as it is not classified as a human research study by this institution. All identifying patient information has been anonymized, and there are no additional ethical concerns related to this case.
Conflict of Interest: The authors declare that there are no conflicts of interest regarding the publication of this report.
References
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