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Related Concept Videos

Muscles of the Pelvic Floor and Perineum01:26

Muscles of the Pelvic Floor and Perineum

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The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function, childbirth, and core stability. They are typically divided into the superficial perineal layer and the deep pelvic floor layer.
Perineal Layer
The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
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Laparoscopic Non-Mesh Cerclage Pectopexy for Pelvic Organ Prolapse
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Construct Rigidity: Keystone for Treating Pelvic Discontinuity.

J Ryan Martin1, Ian Barrett, Rafael J Sierra

  • 11Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.

The Journal of Bone and Joint Surgery. American Volume
|May 3, 2017
PubMed
Summary
This summary is machine-generated.

Revision total hip arthroplasty for pelvic discontinuity showed improved implant survivorship and healing rates when using a reconstruction cage. Cup-cage constructs and antiprotrusio cages with allograft bone demonstrated superior outcomes in this challenging condition.

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Area of Science:

  • Orthopedic Surgery
  • Reconstructive Surgery
  • Arthroplasty

Background:

  • Pelvic discontinuity presents significant reconstructive challenges in revision total hip arthroplasty.
  • This study evaluates current surgical strategies for treating pelvic discontinuity.

Purpose of the Study:

  • To report outcomes of different surgical strategies for pelvic discontinuity treatment.
  • To compare revision-free survivorship and healing rates among various reconstruction methods.

Main Methods:

  • Retrospective analysis of 113 revision total hip arthroplasties for pelvic discontinuity.
  • Surgical techniques included cup-cage constructs, antiprotrusio cages, and uncemented cups with posterior column plates.
  • Radiographic assessment of discontinuity healing and component stability, with follow-up ranging from 3.9 to 7.2 years.

Main Results:

  • Cup-cage constructs achieved 100% five-year revision-free survivorship.
  • Healing rates varied: 50% (cup alone) to 88% (antiprotrusio cage with allograft).
  • Overall complication rate was 26.5%, with significant improvement in Harris hip scores.

Conclusions:

  • Reconstruction cages, particularly cup-cage constructs and antiprotrusio cages with allograft, enhance survivorship and healing in pelvic discontinuity.
  • These adjuncts to uncemented cups improve outcomes for complex hip reconstructions.