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Does hypericin boost the efficacy of high-power laser? A preliminary experimental study on rats / A hipericina aumenta a eficácia do laser de alta potência? Um estudo preliminar e experimental em ratos
Zor, Murat; Goktas, Serdar; Yildirim, Ibrahim; Zorba, Unal Orhan; Basal, Seref; Alp, Bilal Firat; Kaya, Engin; Erogul, Osman.
  • Zor, Murat; Sarikamis Military Hospital. Department of Urology. Kars. TR
  • Goktas, Serdar; Sarikamis Military Hospital. Department of Urology. Kars. TR
  • Yildirim, Ibrahim; Sarikamis Military Hospital. Department of Urology. Kars. TR
  • Zorba, Unal Orhan; Sarikamis Military Hospital. Department of Urology. Kars. TR
  • Basal, Seref; Sarikamis Military Hospital. Department of Urology. Kars. TR
  • Alp, Bilal Firat; Sarikamis Military Hospital. Department of Urology. Kars. TR
  • Kaya, Engin; Sarikamis Military Hospital. Department of Urology. Kars. TR
  • Erogul, Osman; Sarikamis Military Hospital. Department of Urology. Kars. TR
São Paulo med. j ; 132(6): 348-352, Nov-Dec/2014. tab, graf
Article in English | LILACS | ID: lil-726383
ABSTRACT
CONTEXT AND

OBJECTIVE:

Lasers are widely used in treating symptomatic benign prostatic hyperplasia. In current practice, potassium titanyl phosphate (KTP) lasers are the most common type of laser systems used. The aim here was to evaluate the rapid effect of high-power laser systems after application of hypericin. DESIGN AND

SETTING:

Experimental animal study conducted in the Department of Urology, Gülhane Military Medical Academy, Ankara, Turkey, in 2012.

METHODS:

Sixteen rats were randomized into four groups 120 W KTP laser + hypericin; 120 W KTP laser alone; 80 W KTP laser + hypericin; and 80 W KTP laser alone. Hypericin was given intraperitoneally two hours prior to laser applications. The laser incisions were made through the quadriceps muscle of the rats. The depth and the width of the laser incisions were evaluated histologically and recorded.

RESULTS:

To standardize the effects of the laser, we used the ratio of depth to width. These new values showed us the depth of the laser application per unit width. The new values acquired were evaluated statistically. Mean depth/width values were 231.6, 173.6, 214.1 and 178.9 in groups 1, 2, 3 and 4, respectively. The most notable result was that higher degrees of tissue penetration were achieved in the groups with hypericin (P < 0.05).

CONCLUSIONS:

The encouraging results from our preliminary study demonstrated that hypericin may improve the effects of KTP laser applications. .
RESUMO
CONTEXTO E

OBJETIVO:

Lasers são amplamente utilizados no tratamento de hiperplasia benigna de próstata sintomática. Na prática atual, lasers de fosfato de titanilo de potássio (KTP) são os tipos mais comuns usados dos sistemas. O objetivo foi avaliar o efeito rápido do sistema laser de alta potência após a aplicação de hipericina. TIPO DE ESTUDO E LOCAL Estudo experimental animal, realizado no Departamento de Urologia, Academia de Medicina Militar de Gülhane, Ancara, Turquia, em 2012.

MÉTODOS:

16 ratos foram divididos aleatoriamente em 4 grupos 120W KTP laser + hipericina; 120W KTP laser somente; 80W KTP laser + hipericina; 80W KTP laser somente. Hipericina foi dada intraperitonealmente duas horas antes da aplicação do laser. As incisões a laser foram feitas através do músculo quadríceps dos ratos. A profundidade e a largura das incisões a laser foram avaliadas histologicamente e registradas.

RESULTADOS:

Para padronizar o efeito do laser foi utilizada a razão entre profundidade e largura. Estes novos valores nos mostraram a profundidade da aplicação do laser de largura por unidade. Os novos valores adquiridos foram avaliados estatisticamente. Os valores da média de profundidade/largura foram 231,6, 173,6, 214,1 e 178,9 nos grupos 1, 2, 3 e 4, respectivamente. O resultado mais notável foi atingir altos graus de penetração tecidual nos grupos com hipericina (P < 0,05).

CONCLUSÕES:

Os resultados promissores do nosso estudo preliminar mostraram que hipericina pode melhorar os efeitos das aplicações do laser KTP. .
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Perylene / Radiation-Sensitizing Agents / Muscle, Skeletal / Lasers, Solid-State Type of study: Prognostic study Limits: Animals Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2014 Type: Article Affiliation country: Turkey Institution/Affiliation country: Sarikamis Military Hospital/TR

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Full text: Available Index: LILACS (Americas) Main subject: Perylene / Radiation-Sensitizing Agents / Muscle, Skeletal / Lasers, Solid-State Type of study: Prognostic study Limits: Animals Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2014 Type: Article Affiliation country: Turkey Institution/Affiliation country: Sarikamis Military Hospital/TR