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The Challenge of Calcification and Critical Limb Ischemia

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The cardiovascular community is primed for a novel and simple solution to enable physicians to address challenging and debilitating calcified vascular occlusions safely and effectively.

Peripheral Artery Disease (PAD): A Worldwide Health Concern

PAD is a circulatory disease that results in the narrowing or blocking of arteries, reducing blood flow in the leg(s), which can lead to pain, swelling and even amputation1

  • Global endemic affecting 200 million people worldwide, and 20 million people in the United States alone2
  • ~ 25-30 million people worldwide and
    >3 million in the United States alone are burdened with CLI2

Critical limb ischemia (CLI), the late-stage and worst form of PAD, has a poor prognosis. Within the first year of a CLI diagnosis…

  • 25% of patients will die2,3,4
  • 25% will have a major limb amputation as primary treatment, at a cost of $22 billion in the United States alone2,3,4
  • Two years after below-the-knee (BTK) amputation, 15% will undergo above-the-knee (ATK) amputation and 30% will die4

Two years after below-the-knee (BTK) amputation, 15% will undergo above-the-knee (ATK) amputation and 30% will die4

  • 50% of PAD and 65% of CLI patients have moderate or severe calcification
  • Chronic total occlusions (CTOs) are encountered in up to 50% of PAD and CLI patients undergoing endovascular treatment

Despite technology development, current devices have limitations in cases with significant calcification5-7

  • Failure rates remain high in revascularization procedures, with the biggest failure modality attributed to the inability to cross the tough fibrocalcific chronic total occlusion caps and lesion with a conventional guidewire
  • There remains a significant unrealized demand for a novel technology solution to safely and effectively address highly calcific lesions and arrive at the interventional goal: restore flow, promote wound healing and prevent amputations
Our Solution

References:

  1. https://www.nhlbi.nih.gov/health/peripheral-artery-disease
  2. Yost, Mary (The SAGE Group). The Cost of Critical Limb Ischemia, 2019.
  3. Abu Dabrh AM, et al. J Vasc Surg. 2015;62(6):1642–1651. [PubMed] [Google Scholar]
  4. Norgren L, et al. J Vasc Surg. 2007;45(suppl S):S5–S67. [PubMed] [Google Scholar]
  5. Murabito JM, et al. Am Heart J. 2002;143(6):961–965. [PubMed] [Google Scholar]
  6. Fanelli, J Cardiovasc Surg 2014.
  7. van der Heijden FH, et al. Br J Surg, 1993.
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