TIS

There are multiple definitions:

  1. technical information statement(English)

  2. three item severity(English)

  3. thoracic insufficiency syndrome(English)

    • a broad grouping of disorders that have a substantial impact on the chest wall, spine, and in many situations, both. While the conditions are varied, they share a potentially substantial impact on respiratory capacity and development over time and a presentation and need for intervention that is often in early childhood. Addressing these conditions has required a new paradigm that involves both deformity correction and a preservation of growth capacity. While there are now a number of options to treat severe spinal deformity early in life, when the deformity causes or is caused by a chest wall deformity, the Vertical Expandable Prosthetic Titanium Rib (VEPTR) is able to support surgical correction of both
    • VEPTR
    • https://doi.org…eds.2015.11.001
  4. tibial insertion site(English)