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Related Concept Videos

Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...

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A Suture Technique for Ruptured Annulus Fibrosus Following Decompression Under Percutaneous Transforaminal Endoscopic Discectomy
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Positional Hemodynamic Instability in a Patient With Pectus Excavatum Undergoing Lumbar Discectomy.

Izabella J Brykczynska1, Francesco Carbone2,3, Immanuel Höwelhaus4

  • 1Medicine and Surgery, Lazarski University, Warsaw, POL.

Cureus
|June 23, 2026
PubMed
Summary

Pectus excavatum patients may face hemodynamic collapse in the prone position during spine surgery due to chest compression. Early repositioning can resolve instability, highlighting the need for pre-operative assessment.

Area of Science:

  • Cardiovascular Surgery
  • Anesthesiology
  • Orthopedic Surgery

Background:

  • Pectus excavatum (PE) is a common congenital chest deformity, potentially causing cardiac compression.
Keywords:
cardiac abnormalitiescomplicationsknee-chest positionpatient carepectus excavatumspinal surgery

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  • The genupectoral prone position is standard for spine surgery but can worsen mediastinal compression in PE patients.