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Related Concept Videos

Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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The Parathyroid Glands00:59

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
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Do peri-operative parathyroid hormone (PTH) analogues improve bone density and decrease mechanical complications in

Andrew Chung1, Jerry Robinson2, David Gendelberg3

  • 1Department of Orthopedics, Banner Health, 13995 W Statler Blvd #200, Surprise, Phoenix, AZ, 85374, USA. Andrew.chung2@bannerhealth.com.

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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PubMed
Summary
This summary is machine-generated.

Parathyroid hormone (PTH) analogues improved lumbar bone density in patients undergoing spinal deformity correction surgery. This bone health optimization strategy may reduce mechanical complications, though 12% of patients saw no density increase.

Keywords:
Bone densityMinimally invasive surgeryParathyroid hormoneScoliosisSpinal deformity

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Area of Science:

  • Orthopedics
  • Spine Surgery
  • Bone Metabolism

Background:

  • Minimally invasive spinal fusion techniques are increasingly used for adult spinal deformity (ASD).
  • Adequate bone density is crucial for surgical success and preventing mechanical complications like pseudoarthrosis and hardware failure.
  • Parathyroid hormone (PTH) analogues are known to increase bone mineral density.

Purpose of the Study:

  • To determine if PTH analogue use in the peri-operative period improves lumbar bone density in patients undergoing ASD correction.
  • To assess the impact of PTH analogues on bone mineral density and mechanical complications.

Main Methods:

  • A prospectively collected registry of 254 patients who underwent CMIS correction for ASD was analyzed.
  • Forty-one patients with pre- and 2-year post-operative CT scans, who received PTH analogues for one year, were included.
  • Lumbar bone density (Hounsfield units at L1-L3) was measured pre- and post-operatively.

Main Results:

  • Significant improvements in lumbar bone density (Hounsfield units) were observed at 2 years post-surgery (p < 0.05).
  • No screw loosening or pullout occurred; only 4.8% experienced pseudoarthrosis (PJF), and these patients had not completed PTH therapy.
  • 12% of patients did not experience increased bone density despite completing PTH therapy; only one patient reported nausea.

Conclusions:

  • PTH analogues appear to be a valuable adjunct for increasing bone density in patients undergoing spinal deformity correction.
  • This approach may help mitigate the risk of mechanical complications associated with minimally invasive spinal surgery.
  • Further comparative studies are needed to confirm these findings and establish optimal bone health protocols.