{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T14:21:21Z","timestamp":1787840481975,"version":"build-2784847793"},"reference-count":35,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>To assess the efficacy and safety of a single preoperative intralesional bevacizumab injection as an adjuvant treatment before primary pterygium surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>We conducted a randomized controlled interventional study from January 2019 to December 2020. The study included a total of 60 patients (60 eyes) with primary pterygium. We defined two groups of 30 patients each. Group A received an intralesional injection of bevacizumab (Avastin), 1 month before surgery (lesion excision and conjunctival autograft). Group B (control) had only the surgical treatment. Patients were followed up 7 days (D7), 1 month (M1), 3 months (M3), and 6 months (M6) postoperatively. Pre-, per-, and postoperatively, photographs of the lesions were taken, as well as a histopathological examination. The main outcome measures were the change in functional discomfort following intralesional bevacizumab injection and pterygium recurrence. Recurrence was defined as fibrovascular tissue growth invading the cornea. Therapeutic success was defined as the absence of pterygium recurrence in M6.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The mean age of the 60 patients was 54.17 \u00b1 10.53. After bevacizumab injection, the preoperative functional discomfort score decreased significantly (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.048). There was a significant improvement in grade and color intensity (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.001). We noted no local nor systemic complications after intralesional injection of bevacizumab. After pterygium excision, the success rate was statistically higher in Group A (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.047). There was no significant difference in either final best-corrected spectral visual acuity or astigmatism between the two groups. We noted a statistically significant association between recurrence and color intensity (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.046), vascular density (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.049), and the degree of elastic tissue degeneration (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.040).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>A single preoperative subconjunctival injection of bevacizumab 1 month before surgery decreases the vascularity of newly formed blood vessels and hence may reduce the recurrence rate.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/joco.joco_146_22","type":"journal-article","created":{"date-parts":[[2022,12,5]],"date-time":"2022-12-05T10:16:15Z","timestamp":1670235375000},"page":"297-304","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":5,"title":["Preoperative Intralesional Bevacizumab Injection in Primary Pterygium in Tunisian 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