Clinical and surgical factors and intraoperative complications in patients who underwent penetrating keratoplasty.
Giovanna Karinny Pereira Cruz, Marcos Antonio Ferreira Júnior, Isabelle Campos de Azevedo and 3 others
PMID 31038635WHAT IT FOUND
In 258 eye transplants, 22 had intraoperative complications, all during penetrating procedures.
Vitreous loss was the most common complication. Previous eye surgery, a larger recipient corneal button, and combining cataract extraction were linked to more complications.
Key findings
01Among 258 keratoplasties, 22 intraoperative complications were recorded, and all complications occurred in penetrating keratoplasties.
02The most frequent intraoperative complication was vitreous loss, at 36.36%, followed by expulsion of the intraocular or crystalline lens at 13.64%, vitreous hypertension at 9.09%, and bleeding at 9.09%.
03The reported prevalence ratios were 2.46 for previous surgery, 5.26 for host button size above 8.0 mm, and 7.09 for keratoplasty combined with cataract extraction.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
Data came from hospital records, so missing or inaccurate entries could affect results. The study was cross-sectional, so it shows associations, not that these factors caused complications. It was a single hospital from 2010 to 2014, so results may not apply elsewhere. Only 22 complications occurred, making some estimates imprecise. Only 17 lamellar keratoplasties were included, so the finding that all complications occurred in penetrating procedures rests on few lamellar cases.
The easy way to misread this
Do not conclude that avoiding previous surgery, a large recipient button, or combined cataract extraction will prevent complications, or that nursing care reduces them. This is a single-center record review, and the associations are observational with wide confidence intervals.