눈물점 협착 환자에서 앞쪽 방향 4-snip 눈물점성형술의 효과
Outcomes of Anterior-Side Rectangular 4-Snip Punctoplasty for Patients with Punctal Stenosis
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목적: 눈물점 협착 환자에서 기존에 눈꺼풀결막 쪽으로 시행하던 눈물점성형술을 변형한 앞쪽 방향 4-snip 눈물점성형술의 효과를알아보고자 하였다. 대상과 방법: 눈물점 협착 환자에서 앞쪽 방향 4-snip 눈물점성형술을 시행한 환자를 대상으로 의무기록을 후향적으로 분석하였다. 술 전 및 술 후 경과관찰 시 염색약 소실검사, 눈물증상 설문 및 스펙트럼영역 빛간섭단층촬영기를 이용하여 눈물층의 높이를 측정하여 비교하였다. 해부학적 성공은 마지막 경과관찰 시 눈물점의 재협착 없이 잘 유지되는 경우로 하였고, 기능적 성공은 염색약 소실검사 상 +1 이하 또는 눈물증상 점수가 2점 이하인 경우로 하였다. 결과: 대상 환자는 27명 44안(남자 7명, 여자 20명)으로 평균나이는 56.0 ± 11.0세(range, 39-82세)였고, 경과관찰기간은 평균 9.4개월(range, 6-20개월)이었다. 염색약 소실검사와 눈물증상 점수(p<0.01, Wilcoxon signed-rank test) 및 눈물층의 높이(p<0.01,paired t-test) 모두 술 전보다 술 후에 유의하게 감소하였다. 해부학적 성공은 40/44안(90.9%)이었고, 기능적 성공은 38/44안(86.4%)이었다. 피부 결손이나 미용상의 문제 등의 합병증이 발생한 경우는 없었다. 결론: 눈물점 협착으로 인한 눈물흘림 환자에 있어서 앞쪽 방향 4-snip 눈물점성형술은 눈물배출경로의 기능을 잘 유지하고 재협착없이 눈물점을 유지할 수 있는 효과적인 방법으로 생각된다.
Abstract
Purpose: To evaluate the efficacy of anterior-side rectangular 4-snip punctoplasty, a modification of posterior ampullectomy that is currently used in patients with punctal stenosis. Methods: We performed a retrospective chart review of patients with punctal stenosis who underwent anterior-side rectangular 4-snip punctoplasty at our hospital. Fluorescein dye disappearance test (FDT) and questionnaire on tearing symptoms and tear meniscus height (TMH) based on spectral-domain optical coherence tomography (SD-OCT) were evaluated in preoperative and postoperative follow-up examinations of the patients. Anatomical success was defined as punctum without re-stenosis at last visit; functional success was defined as FDT grade of 0 or 1, or tearing symptom score of 2 or less. Results: A total of 44 anterior-side 4-snip punctoplasty procedures were performed in 27 patients. The average age of all subjects was 56.0 ± 11.0 years (range, 39 to 82 years). The mean follow-up period was 9.4 months (range, 6 to 20months). FDT, tearing symptom score (p < 0.01, Wilcoxon signed-rank test), and TMH (p < 0.01, paired t-test) were significantly decreased after surgery. Anatomical success was 40/44 cases (90.9%) and functional success was 38/44 cases (86.4%). There were no complications such as skin defect or cosmetic problems. Conclusions: Anterior-side rectangular 4-snip punctoplasty is an effective surgical procedure for patients with punctal stenosis, maintaining functions of the lacrimal drainage system without re-stenosis of punctum.
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