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Biomedical subjects

Kristine Bacsal

Publications and source records attributed to Kristine Bacsal.

6 recordsLinked to original sources
PubMed2007

Corneal endotheliitis associated with evidence of cytomegalovirus infection.

OBJECTIVE: To describe the clinical presentation of cytomegalovirus (CMV) corneal endotheliitis in human immunodeficiency virus (HIV)-negative patients. DESIGN: Retrospective interventional case series. PARTICIPANTS: Twelve consecutive patients with corneal endotheliitis diagnosed between 2002 and 2005. METHODS: Aqueous of eyes with corneal endotheliitis was analyzed for viral DNA by polymerase chain reaction (PCR), and patient records were reviewed for demographic data, medical and ocular history, best-corrected Snellen visual acuity, intraocular pressure (IOP), anterior and posterior segment findings, laboratory workup, diagnosis, and treatment. MAIN OUTCOME MEASURE: Presence of CMV DNA. RESULTS: Corneal endotheliitis was seen in 12 eyes of 10 patients during the study period. There were 8 men and 2 women, and all were Chinese. Their mean age was 49 years (range, 25-61 years). The corneal involvement ranged from small areas of focal endotheliitis to diffuse bullous keratopathy. The keratic precipitates had a variable appearance. There was only mild anterior chamber inflammation with no posterior synechiae. Two thirds of eyes had diffuse iris atrophy. All the eyes had elevated IOP. Eleven of the 12 eyes were positive for CMV DNA. None of the patients were positive for HIV. All patients had received local or systemic immunosuppression, or both, before corneal endotheliitis developed. Ten eyes of 8 patients were treated with systemic antiviral therapy. After treatment, the endotheliitis resolved completely in 7 eyes, and 3 eyes had significant improvement in corneal translucency. The IOP was normal, with no medications in all but 1 eye. Repeat PCR analysis in all the treated eyes was negative for CMV DNA. CONCLUSIONS: Cytomegalovirus infection is an important cause of corneal endotheliitis in our patients, and appropriate antiviral therapy may prevent more ocular damage.

Adult↗
PubMed2006

Spectrum of Vogt-Koyanagi-Harada disease in Singapore.

PURPOSE: Review of all cases of Vogt-Koyanagi-Harada disease (VKH) handled in the Uveitis Clinic of the Singapore National Eye Centre, with the aim of determining the clinical spectrum of this disease in these patients and the outcomes of treatment. METHODS: The case notes were retrospectively analyzed for patient demographics, clinical signs, investigations, complications and treatment received. The treatment groups were classified according to the steroid regimen (dose and timing). The early-high (EH) group received > or =1 mg/kg per day of systemic prednisolone within 2 weeks of presenting with symptoms, the late-high (LH) group received the same dose between 2 and 4 weeks of presenting with symptoms, and the low-dose (LD) group received no or lower doses of oral corticosteroids, or received the same high dose, but only after more than 1 month of presenting with symptoms. RESULTS: A total of 178 eyes of 89 patients, mainly of Chinese ethnicity, were examined. The mean age of the patients at onset of the study was 41.80 +/- 14.65 (SE) years, and there were nearly equal numbers of male and female patients. The mean duration of the follow-up was 9.42 years (+/-9.87 years). There were 60 eyes in the EH group, 18 in the LH group, and 68 in the LD group. When the results on our patient group were compared to known data on a number of other ethnic groups, our patients were found to be similar to the Japanese with respect to gender distribution and prevalence, to the Hispanics for alopecia, and to the non-Hispanics of North America for tinnitus and vitiligo. The EH group were more likely to achieve complete resolution, with fewer complications, than the LD group, but one third of the former still developed chronic disease. CONCLUSION: Higher doses of systemic steroids may be required to ensure adequate immunosuppression in VKH patients.

Acute Disease↗
PubMed2005

Endophthalmitis after microincision cataract surgery.

We report the first case of streptococcal endophthalmitis after uneventful right bimanual phacoemulsification. Microincision cataract surgery is perceived to be minimally invasive as smaller wounds are equated to shortened healing time, increased safety, and reduced risk for postoperative endophthalmitis. Recommendations for modifications in wound construction are discussed.

Anti-Infective Agents↗