BackgroundClear definitions of outcomes following trichiasis surgery are critical for planning program evaluations and for identifying ways to improve trichiasis surgery. Eyelid contour abnormality is an important adverse outcome of surgery; however, no standard method has been described to categorize eyelid contour abnormalities.Methodology/Principal FindingsA classification system for eyelid contour abnormalities following surgery for trachomatous trichiasis was developed. To determine whether the grading was reproducible using the classification system, six-week postoperative photographs were reviewed by two senior graders to characterize severity of contour abnormalities. Sample photographs defining each contour abnormality category were compiled and used to train four new graders. All six graders independently graded a Standardization Set of 75 eyelids, which included a roughly equal distribution across the severity scale, and weighted kappa scores were calculated. Two hundred forty six-week postoperative photographs from an ongoing clinical trial were randomly selected for evaluating agreement across graders. Two months after initial grading, one grader regraded a subset of the 240 photographs to measure longer-term intra-observer agreement. The weighted kappa for agreement between the two senior graders was 0.80 (95% CI: 0.71–0.89). Among the Standardization Set, agreement between the senior graders and the 4 new graders showed weighted kappa scores ranging from 0.60–0.80. Among 240 eyes comprising the clinical trial dataset, agreement ranged from weighted kappa 0.70–0.71. Longer-term intra-observer agreement was weighted kappa 0.86 (95% CI: 0.80–0.92).Conclusions/SignificanceThe standard eyelid contour grading system we developed reproducibly delineates differing levels of contour abnormality. This grading system could be useful both for helping to evaluate trichiasis surgery outcomes in clinical trials and for evaluating trichiasis surgery programs.
BackgroundTrachomatous trichiasis is one of the leading causes of preventable blindness worldwide. A relatively simple surgery can spare vision. Although this surgery is usually performed free of charge in endemic regions, multiple studies indicate that surgical refusal is common. Prior studies have attempted to examine these reasons, although they generally rely on patient recall months to years after the surgery was offered. This study set out to determine major decision-making factors at the time of refusal. In addition, this study looked for ways to help increase surgical uptake by targeting modifiable factors.Methodology/Principal findingsWe used a combination of focus groups, interviews with community health workers, and individual interviews with trichiasis patients who refused surgery to understand their decision-making.We found that several factors influenced surgical refusals, including misconception regarding recovery time, inability to find a post-surgical caregiver, and the time of year of the surgical campaign. Fear of the surgery itself played a minimal role in refusals.Conclusions/SignificanceTrichiasis patients refuse surgery for many reasons, but a large percentage is due to lack of information and education, and is, therefore, modifiable within the structure of a surgical outreach project. To address this, we developed a “frequently asked questions” (FAQ) document aimed at community health workers, which may have helped to decrease some of the misconceptions that had led to prior refusals.
Purpose: While quality of life surveys have been conducted in trachomatous trichiasis (TT) surgery populations, little is known about patients’ perceptions of the surgical experience and outcomes.Methods: We interviewed a subset of Partnership for the Rapid Elimination of Trachoma (PRET) surgery trial participants 24 months after surgery. Questions focused on current ocular symptoms, perceived daily functioning, physical appearance, and overall perception of surgery. We stratified participants based on surgical outcomes: normal upper eyelid, postoperative TT, or eyelid contour abnormality (ECA) in one or both eyelids. We compared responses between sexes and surgical outcome groups using contingency tables and Fisher’s exact tests.Results: A total of 483 individuals participated and 86% were very satisfied with surgery results; 96% reported ocular symptom improvement. Participants with moderate to severe ECA or postoperative TT were more likely to report current ocular problems than those with normal eyelids (46% and 58% vs 34%, respectively; p = 0.01 for each comparison). The most common symptom among participants with moderate to severe postoperative TT was feeling lashes touching (blurred vision was the most common among participants with moderate to severe ECA). Overall, 83% stated surgery improved daily life; participants with ECA were less likely to report improvement than others (p = 0.002). Participants who had moderate or severe postoperative TT were least likely to state that they would undergo repeat surgery (80%), followed by participants with ECA (86%).Conclusions: Postoperative TT and ECA both reduced satisfaction with surgery, but appeared to influence different aspects of life. Improving surgical outcomes both by reducing recurrence rates and limiting ECAs are essential.
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