Investigation of scleral thermal injuries caused by ultrasonic pars plana phacoemulsification and aspiration using pig eyes.
Animals
Disease Models, Animal
Eye Burns
/ complications
Paracentesis
/ adverse effects
Phacoemulsification
/ adverse effects
Postoperative Complications
Sclera
/ diagnostic imaging
Scleral Diseases
/ diagnosis
Swine
Thermography
Trauma Severity Indices
Ultrasonic Surgical Procedures
/ adverse effects
Histological examination
Infrared thermal imaging
Scleral wound
Thermal injury
Ultrasonic pars plana phacoemulsification and aspiration (PPPEA)
Journal
International ophthalmology
ISSN: 1573-2630
Titre abrégé: Int Ophthalmol
Pays: Netherlands
ID NLM: 7904294
Informations de publication
Date de publication:
Sep 2019
Sep 2019
Historique:
received:
24
06
2018
accepted:
11
10
2018
pubmed:
26
10
2018
medline:
24
12
2019
entrez:
25
10
2018
Statut:
ppublish
Résumé
The purpose of this study was to investigate the thermal injuries caused by ultrasonic pars plana phacoemulsification and aspiration (PPPEA) using pig eyes. Using a 20-gauge (G) vitrectomy system (Accurus Thermography measurements revealed a slight temperature rise around the scleral wound in the open-tip case, yet a marked temperature rise in the closed-tip case. The scleral wound incision produced by the open tip was linear, while that produced by the closed tip was expanded. Histological examination revealed mild degeneration of the sclera around the wound in the open-tip case, yet marked tissue degeneration by thermal injuries in the closed-tip case. Our findings showed that in PPPEA, the temperature of the tip of a 20G vitrectomy system rapidly increases due to the closed-tip technique, thus producing obvious thermal damage to the scleral wound. In order to prevent thermal injuries to the scleral wound during PPPEA, it is important to shorten the time of ultrasonic oscillation during surgery as much as possible while the tip is occluded with nuclear fragments.
Identifiants
pubmed: 30353259
doi: 10.1007/s10792-018-1036-6
pii: 10.1007/s10792-018-1036-6
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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