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Chinese Journal of Ophthalmology 2020-Apr

[A clinical analysis of 1 414 cases of fungal keratitis].

Chỉ người dùng đã đăng ký mới có thể dịch các bài báo
Đăng nhập Đăng ký
Liên kết được lưu vào khay nhớ tạm
J He
J Cheng
Y Dong
L Xie

Từ khóa

trừu tượng

Objective: To discuss clinical features and treatments of fungal keratitis, and to provide statistical data for clinical therapy and increase the therapeutic effects. Methods: This is a retrospective case series study. An analysis was performed by collecting patients' demography features, risk factors, onset time, lab results, clinical features and treatment from 1 414 cases of fungal keratitis from January 2006 to October 2016 in Qingdao Eye Hospital, Shandong Eye Institute. Results: In the 1 414 cases (1 414 patients), 1 174 patients (83.0%) came from different areas in Shandong Province, and the rest mainly from provinces on the north of Yangtze River. The age was 40 to 60 years in 874 cases (61.4%). The onset time was often in autumn and winter. The average duration between the onset and treatment was 1 to 74 days; 942 patients (67.1%) visited our hospital in 8-30 days after the appearance of the symptoms. Corneal trauma was the most common risk factor, especially injury by plants (367 cases, 26.4%). The positive rate of direct microscopic examination of potassium hydroxide wet mounts was 96.4%. The positive rate of confocal microscopy was 89.8%. Fungi were detected in corneal ulcer scrapings and (or) diseased corneal tissues obtained during surgery from 973 patients (68.8%). Most of the fungi were Fusarium (595 cases, 61.1%), followed by Alternaria (184 cases, 18.9%) and Aspergillus (119 cases, 12.2%). There were 603 cases (42.7%) of superficial and middle stromal infiltration, 614 cases (43.4%) of deep stromal infiltration and 197 cases (13.9%) of full-thickness corneal infiltration. Diameters of the corneal ulcer lesion were mostly between 4 and 6 mm (725 cases, 51.6%), followed by<3 mm (372 cases, 26.4%) and>6 mm (302 cases, 22.0%). Hypopyon was combined in 498 cases (35.2%), corneal perforation in 34 cases (2.4%), and endophthalmitis in 58 cases (4.1%). Surgery was performed in 1 198 cases (84.8%), including penetrating keratoplasty in 416 cases (29.4%), lamellar keratoplasty in 199 cases (14.1%), and corneal ulcer debridement in 532 cases (37.6%), with an effective rate of 98.1% (408 cases), 97.0% (193 cases) and 92.8% (494 cases), respectively. Two hundred and fifteen cases (15.2%) were treated with medical therapy alone, of which 147 cases (68.4%) were cured. Fifty-six patients (3.9%) finally lost their eye balls, including 54 cases of evisceration and 2 cases of ophthalmectomy. Conclusions: Fusarium is the main causative agent of fungal keratitis in Shandong Province. Direct microscopic examination of potassium hydroxide wet mounts is a simple, rapid and effective test method. Early diagnosis can be made if the result of corneal ulcer scraping examination is positive. Antifungal drug treatments can be done in early onset time. If the drug efficacy is poor or the patient's condition gets worse, immediate surgery is the key to controlling fungal keratitis. (Chin J Ophthalmol, 2020, 56:286-293).

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