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Related Experiment Videos

Middle ear microvascularization: an "in vivo" endoscopic anatomical study.

Matteo Alicandri-Ciufelli1,2, Pierre Guarino3, Filippo Fabbri1

  • 1Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital of Modena, Via del Pozzo 71, 41125, Modena, Italy.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|February 12, 2018
PubMed
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Endoscopic middle ear surgery revealed key vascular details. The inferior tympanic artery and incudostapedial artery are consistently identifiable, aiding in understanding blood flow direction (BFD) in the tympanic cavity.

Area of Science:

  • Otolaryngology
  • Vascular Anatomy
  • Surgical Endoscopy

Background:

  • Understanding middle ear vascularization is crucial for surgical procedures.
  • Endoscopic visualization offers a unique perspective on delicate anatomical structures.

Purpose of the Study:

  • To detail the in vivo vascular anatomy of the middle ear from an endoscopic viewpoint.
  • Specifically focusing on the medial wall of the tympanic cavity and the incudostapedial region (ISR).

Main Methods:

  • A retrospective review of 48 endoscopic middle ear surgery videos.
  • Data collection included vessel anatomy and blood flow direction (BFD).

Main Results:

  • The inferior tympanic artery (ITA) was identified in 37.5% of cases, often with superior BFD.
Keywords:
Blood flowEndoscopic ear surgeryIncudostapedial arteryIncudostapedial jointInferior tympanic arteryMiddle ear anatomyMiddle ear vascularizationPromontory

Related Experiment Videos

  • A mucosal vascular network was common, with multidirectional BFD.
  • The incudostapedial artery (ISA) was found in 65% of cases, typically with BFD from the incus to the stapes.

    • Conclusions:

    • Transcanal endoscopy allows for effective study of middle ear vascular anatomy.
    • The ITA and ISA are the most consistently identified vessels, with predictable BFD patterns.