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Percutaneous vertebral augmentation for painful osteolytic vertebral metastasis: a case report

Authors Anselmetti, Tutton, Facchini, Miller L, Block J 

Received 29 December 2011

Accepted for publication 14 February 2012

Published 20 March 2012 Volume 2012:5 Pages 13—17


Review by Single anonymous peer review

Peer reviewer comments 2

Giovanni C Anselmetti1, Sean M Tutton2, Francis R Facchini3, Larry E Miller4,5, Jon E Block5

1Institute for Cancer Research and Treatment, Turin, Italy; 2Medical College of Wisconsin in Milwaukee, Froedtert Memorial Lutheran Hospital, Milwaukee, WI, USA; 3Interventional Radiology, Interventional Oncology, VIR Chicago, Hinsdale, IL, USA; 4Miller Scientific Consulting, Inc, Arden, NC, USA; 5The Jon Block Group, San Francisco, CA, USA

Introduction: Vertebral metastases are associated with significant pain, disability, and morbidity. Open surgery for fracture stabilization is often inappropriate in this population due to a poor risk-benefit profile, particularly if life expectancy is short. Percutaneous vertebroplasty and kyphoplasty are appealing adjunctive procedures in patients with malignancy for alleviation of intractable pain. However, these patients have higher risk of serious complications, notably cement extravasation. Described in this report is a case of a painful osteolytic vertebral metastasis that was successfully treated by a novel percutaneous vertebral augmentation system.
Case presentation: A 42-year-old Caucasian female presented with a history of metastatic lung cancer unresponsive to radiation and chemotherapy with symptoms inadequately controlled by opiates over the previous 6 months. Magnetic resonance imaging and spiral computed tomography with two-dimensional reconstruction showed an osteolytic vertebral metastasis with complete involvement of the T10 vertebral body, extending to the cortical vertebral wall anteriorly and posteriorly. The patient was treated with percutaneous vertebral augmentation (Kiva® VCF Treatment System, Benvenue Medical, Inc, Santa Clara, CA) utilizing a novel coil-shaped polyetheretherketone implant designed to minimize the risk of cement extravasation. After the minimally invasive procedure, bone cement distribution within the vertebral body was ideal, with no observed cement extravasation. No complications were reported, pain completely resolved within 24 hours, and use of intravenous narcotics was progressively diminished within 1 week. Complete pain relief was maintained throughout 4 months of follow-up.
Conclusion: The Kiva System represents a novel and effective minimally invasive treatment option for patients suffering from severe pain due to osteolytic vertebral metastasis.

Keywords: Kiva, minimally invasive, pain

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