Abstract
BackgroundTo investigate clinical features of infectious endophthalmitis over five years in a South Korean population.MethodsMedical records of consecutive patients diagnosed with infectious endophthalmitis at eight institutions located in Gyeongsangnam-do and Pusan city between January 1, 2004 and July 31, 2010 were reviewed.ResultsA total of 197 patients were diagnosed and treated. An average of 30.0 infectious endophthalmitis per year was developed. The annual incidence rate of postoperative endophthalmitis during 2006 ~ 2009 was 0.037%. The ratios of male to female and right to left were 50.2%: 49.8 % and 54.8%: 43.2%, respectively. Eighth decade and spring were the peak age (36.6%) and season (32.0%) to develop the infectious endophthalmitis. The most common past history in systemic disease was hypertension (40.4%), followed by diabetes (23.4%). Cataract operation (60.4%) was the most common cause, among which most of them was uneventful phacoemulsification (95.9%). Corneal laceration (51.6%) and liver abscess (42.9%) were the most common causes of traumatic and endogenous endophthalmitis, respectively. The percentages of patients with initial and final visual acuity less than counting fingers were 62.6% and 35.2%, respectively. Treatment with vitrectomy with or without intravitreal antibiotics injection was administered to 72.6% of patients, while 17.3% received intravitreal antibiotics only.ConclusionsOur study revealed that the development of infectious endophthalmitis was related with seasonal variation and increased during our study period. Pars plana vitrectomy was preferred for the treatment of infectious endophthalmitis in South Korea.
Highlights
To investigate clinical features of infectious endophthalmitis over five years in a South Korean population
The following post-treatment data from ophthalmic centers at each institute were evaluated with the consensus protocol: case numbers of presumptive and culturepositive endophthalmitis; date of occurrence; sex; laterality; age; seasonal occurrence; past medical history; cause of infection; duration of symptoms; interval between symptom occurrence and initial eye examination; preoperative visual acuity; final visual outcomes, which were defined as the best corrected vision achieved after at least one month of follow-up; treatment modality; topical, intravitreal, and systemic antibiotic selection; and culture positivity depending on the culture specimen and surgical tool
Visual acuity based on the Snellen chart was converted to Log of the minimum angle of resolution (log-MAR) acuity for this analysis
Summary
To investigate clinical features of infectious endophthalmitis over five years in a South Korean population. A general trend towards a decreasing incidence of endophthalmitis has been observed in recent decades [2,3,4], with incidence rates ranging from. Since the introduction of clear cornea incision techniques for cataract surgery, the rate of endophthalmitis has increased slightly [5]. A multicenter infectious endophthalmitis epidemiologic study in Sweden was published [6]. Such studies can provide clinical features about the postoperative infectious endophthalmitis in those nations. Due to the low incidence of infectious endophthalmitis, singlecenter studies in South Korea had too few cases to reveal
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