Journals / Retina-Vitreus / 2005 / Cilt: 13 - Sayı: 3

Comparison of the effectiveness of topical and subconjunctival anesthesia in intravitreal injection

İntravitreal enjeksiyon uygulanmasında topikal ve subkonjonktival anestezinin karşılaştırılması

Pages
201–204
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Subconjunctival anesthesia may be used in cases of relatively painful eyes such as endophtalmitis and early postoperative eyes.

📌 3 Key Takeaways

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Objective & Hypothesis:Purpose: To compare the effectiveness of topical and subconjunctival anesthesia for intravitreal injection.
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Key Findings & Data:Each patient underwent intravitreal injection of 4 mg triamcinolone acetonide under topical anesthesia for one eye and subconjunctival anesthesia for the other eye by using 4% lidocaine.
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Conclusion & Impact:Subconjunctival anesthesia may be used in cases of relatively painful eyes such as endophtalmitis and early postoperative eyes.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Ağrı ölçümü · Triamsinolon · Anestezi

Abstract

Purpose: To compare the effectiveness of topical and subconjunctival anesthesia for intravitreal injection. Materials and Methods: Twenty-eight patients with bilateral diffuse diabetic macular oedema who were resistant to previously applied grid laser photocoagulation were recruited into the study. Each patient underwent intravitreal injection of 4 mg triamcinolone acetonide under topical anesthesia for one eye and subconjunctival anesthesia for the other eye by using 4% lidocaine. Patients were asked to grade the pain they experienced during administration of both anesthesia and intravitreal injection by using 4-point pain scale: from 0=no pain to 3=severe pain. Complications developed during both procedures were also recorded. Results: Of 28 patients 15 were female and 13 were male. Mean age was 59 (44-71 years). Intravitreal injection was performed successfully in all patients. The mean pain score experienced during subconjunctival injection of lidocaine was 0.78, whereas no anesthesia related pain was reported in topical group. The mean pain score experienced during intravitreal injection was 1.64 in topical and 0.85 in subconjunctival group (p<0.001). There was no statistically significant difference between scores of topical (0.32) and subconjunctival (0.25) groups according to the eye movements observed during injection (p>0.05). Nine eyes (32%) developed subconjunctival haemorrhage after subconjunctival injection, whereas no anesthesia related complication developed in topical group. Subconjunctival haemorrhage was also observed in 5 eyes (18%) in topical group and in 11 eyes (40%) in subconjunctival group (p>0.05) after intravitreal injection. Conclusion: Although both topical and subconjunctival anesthesias provide adequate anesthesia for intravitreal injection, subconjunctival injection of lidocaine appears to be more effective than topical administration. Nevertheless, subconjunctival injection is more painful than topical application and leads to subconjunctival haemorrhage in some eyes. Therefore, topical anesthesia may be more suitable for daily practice. Subconjunctival anesthesia may be used in cases of relatively painful eyes such as endophtalmitis and early postoperative eyes.

Özet

Amaç: İntravitreal enjeksiyon uygulanmasında topikal ve subkonjonktival anestezinin etkinliklerini karşılaştırılmak. Gereç ve Yöntem: Çalışmaya grid lazer tedavisine dirençli bilateral diffüz makula ödemi olan 28 diyabetik olgu alındı. Anestezik olarak %4'lük lidokain kullanılarak, her olgunun bir gözüne topikal, diğer gözüne ise subkonjonktival anestezi altında 4 mg triamsinolon asetonid intravitreal olarak enjekte edildi. Anestezi uygulaması ve intravitreal enjeksiyon sırasında hastanın hissettiği ağrı 4 dereceli skala (0=ağrı yok'tan 3=şiddetli ağrı'ya kadar) kullanılarak derecelendirildi. İntravitreal enjeksiyon sırasında hastanın göz hareketi enjeksiyonu yapan kişi tarafından derecelendirildi. Anestezi uygulaması ve intravitreal enjeksiyon sırasında gelişen komplikasyonlar kaydedildi. Bulgular: Yirmi sekiz olgunun 15'i kadın, 13'ü ise erkekti. Ortalama yaş 59 (44-71 yıl) idi. İntravitreal enjeksiyon bütün olgularda başarıyla tamamlandı. Anestezi uygulamasına bağlı topikal grupta hiçbir hasta ağrı bildirmezken, subkonjonktival grupta ağrı skoru 0.78 olarak saptandı. İntravitreal enjeksiyona bağlı ağrı skoru topikal grupta 1.64, subkonjonktival grupta ise 0.85 idi (p 0.05). Anestezi uygulaması sırasında topikal grupta anesteziye bağlı komplikasyon gelişmezken, subkonjonktival grupta 9 (%32) gözde subkonjonktival kanama gözlendi. İntravitreal enjeksiyon sonrasında topikal grupta 5 gözde (%18), subkonjonktival grupta ise 11 gözde (%40) sınırlı subkonjonktival kanama gözlendi (p>0.05). Sonuç: Her iki anestezi yöntemi de intravitreal enjeksiyon için yeterli anestezi sağlamakla birlikte, subkonjonktival yolla uygulanan lidokain topikal uygulamadan daha derin anestezi sağlamaktadır. Yine de, subkonjonktival enjeksiyon sırasında bir miktar ağrı hissedilmesi ve kanama oluşabilmesi, günlük uygulamada topikal anesteziyi daha kabul edilebilir kılmaktadır. Subkonjonktival anestezi ise endoftalmi ve postoperatif gözler gibi daha nadir ve ağrılı durumlarda başvurulabilecek bir anestezi yöntemi olabilir.

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Cite This Article

KADERLİ, B., AVCI, R., ERCAN, İ. (2005). Comparison of the effectiveness of topical and subconjunctival anesthesia in intravitreal injection. Retina-Vitreus, Cilt: 13 - Sayı: 3, 201–204. https://ajindex.com/articles/305330

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