[Pain after panretinal photocoagulation: 50-millisecond pulse versus conventional pulse].

Revista médica del Instituto Mexicano del Seguro Social Pub Date : 2023-05-02

Brenda Cortez-Trejo, María Del Pilar Paz-Sosa, Álvaro José Montiel-Jarquín, Margarita Vargas-Huerta, Arturo García-Galicia, Nancy Rosalía Bertado-Ramírez

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Abstract

Background: Diabetic retinopathy is a progressive disfunction of blood vessels of the retina secondary to chronic hyperglycemia. There are several treatments, out of which panretinal photocoagulation (PRP) stands out.

Objective: To compare the level of pain in patients undergoing PRP with different impulse.

Material and methods: Comparative, cross-sectional study that compared the level of pain in patients undergoing PRP with a 50-millisecond pulse (group A) versus conventional 200 milliseconds pulse (group B). Mann-Whitney U test was used.

Results: There were 26 patients, 12 (46.16%) female and 14 (53.84%) males. The median age was 58.73 ± 7.31 (40-75) years. 40 eyes were studied, 18 (45%) right and 22 (55%) left. The mean level of glycated hemoglobin was 8.15 ± 1.08 (6.5-12) %. The mean laser power was 297 ± 53.61 (200-380) and 214.5 ± 41.73 (170-320) milliwatts; the mean fluence was 18.85 ± 5.28 (12-28) J/cm2 and 65.9 ± 12.87 (52-98) J/cm2; the mean level of pain was 3.1 ± 1.33 (1-5) and 7.5 ± 1.23 (6-10) points for group A and B, respectively, and there was statistically significant difference (p ˂ 0.001) in the level of pain. There were no complications in any group.

Conclusion: The application of retinal 50-millisecond pulse PRP causes less pain and side effects than 200-millisecond pulse PRP.

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[全视网膜光凝后疼痛:50毫秒脉冲与常规脉冲对比]。

背景:糖尿病视网膜病变是继发于慢性高血糖的视网膜血管进行性功能障碍。有几种治疗方法，其中全视网膜光凝(PRP)是最突出的。目的:比较不同冲量的PRP患者的疼痛程度。材料和方法:比较50毫秒脉冲PRP患者(a组)与常规200毫秒脉冲PRP患者(B组)的疼痛水平，采用Mann-Whitney U检验。结果:26例患者中，女性12例(46.16%)，男性14例(53.84%)。中位年龄58.73±7.31(40-75)岁。40只眼睛被研究，18只(45%)右眼，22只(55%)左眼。糖化血红蛋白平均水平为8.15±1.08(6.5-12)%。平均激光功率分别为297±53.61(200 ~ 380)和214.5±41.73(170 ~ 320)毫瓦;平均影响度分别为18.85±5.28 (12 ~ 28)J/cm2和65.9±12.87 (52 ~ 98)J/cm2;A组和B组的平均疼痛程度分别为3.1±1.33(1-5)分和7.5±1.23(6-10)分，差异有统计学意义(p小于0.001)。两组均无并发症发生。结论:与200毫秒脉冲PRP相比，50毫秒脉冲PRP的疼痛和副作用更小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Revista médica del Instituto Mexicano del Seguro Social

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