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Cannula breakage during 25G+ minimally invasive vitrectomy: a case report
Zhimin Shu1, Siyan Jin1, Chenli Shan1
1Department of Ophthalmology, Jilin University Second Hospital, Yatai Street, Changchun, 130000, Jilin, China.
BMC Surgery
|March 30, 2021
Summary
Cannula fractures during 25G+ minimally invasive vitrectomy are rare but serious complications. Surgeons must be aware of this risk and immediately remove any broken cannula fragments to prevent further issues.
Area of Science:
- Ophthalmology
- Surgical Innovation
- Minimally Invasive Surgery
Background:
- Vitrectomy surgery utilizes trocars and cannulas for efficient instrument exchange.
- While beneficial, these instruments can lead to incision-related complications.
- Fractures of 25G+ cannulas during minimally invasive vitrectomy are infrequently reported.
Observation:
- A 62-year-old patient undergoing 25G+ vitrectomy for proliferative diabetic retinopathy experienced a cannula fracture during sclerotomy creation.
- The broken cannula tip was located within the ciliary body at the superonasal sclerotomy site.
- The fragment was successfully removed during the intraoperative procedure.
Findings:
- Intraoperative fractures of 25G+ minimally invasive ocular surgical instruments can occur.
- Prompt identification and removal of fractured cannula parts are crucial.
Implications:
- Increased surgeon awareness of potential 25G+ cannula fractures is essential.
- Immediate extraction of broken cannula fragments can prevent revision surgeries and postoperative complications.

