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Related Experiment Video

Updated: Mar 13, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
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Piezosurgery in External Dacryocystorhinostomy.

Craig N Czyz1, Amy M Fowler, Jonathan J Dutton

  • 1*Section Oculofacial Plastic and Reconstructive Surgery, Ohio University/Doctor's Hospital, Columbus, Ohio, †Department of Ophthalmology, Oral and Maxillofacial Surgery, OhioHealth Grant Medical Center, Columbus, Ohio, ‡Department of Ophthalmology, University of North Carolina, Chapel Hill, North Carolina, and §Department of Ophthalmology, Ohio State University, Columbus, Ohio, U.S.A.

Ophthalmic Plastic and Reconstructive Surgery
|October 18, 2016
PubMed
Summary
This summary is machine-generated.

Piezosurgery is a viable option for external dacryocystorhinostomy (DCR), showing high success rates for epiphora resolution and minimal complications. This technique may reduce soft tissue damage, benefiting surgeons and patients.

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Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Oculoplastics

Background:

  • External dacryocystorhinostomy (DCR) is a surgical procedure to address lacrimal drainage insufficiency.
  • While ultrasonic or piezosurgery is established for endoscopic DCR, its application in external DCR is less documented.
  • This study investigates the use of piezosurgery in external DCR.

Purpose of the Study:

  • To evaluate the efficacy and safety of piezosurgery for external dacryocystorhinostomy (DCR).
  • To assess patient-reported outcomes and complications associated with piezosurgery in external DCR.

Main Methods:

  • A prospective case series of 52 patients undergoing primary external DCR for lacrimal drainage insufficiency.
  • Piezosurgery systems were used for all bone incisions.
  • Outcomes were measured by patient-reported epiphora resolution, and intra/postoperative complications were recorded.

Main Results:

  • 72% of patients experienced complete resolution of epiphora, and 21% had >50% improvement.
  • Only 7% of patients reported <50% improvement.
  • Low complication rates were observed: 1 intraoperative (2%) and 2 postoperative (4%).

Conclusions:

  • Piezosurgery is a feasible and safe modality for external DCR.
  • The technique demonstrates a potential for reduced soft and mucosal tissue damage.
  • Success rates are comparable to traditional mechanical methods, potentially aiding novice surgeons.