Journals / Ulusal Travma ve Acil Cerrahi Dergisi / 2020 / Cilt: 26 - Sayı: 5

The effects of ozone on the acute phase of intestinal ischemia-reperfusion injury in rats

Sıçanlarda ozonun bağırsak iskemi-reperfüzyon hasarının akut evresi üzerine etkisi

Pages
651–656
Publication Date
2022-11-06
DOI
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⚡ TL;DR(Too Long; Didn't Read)

Further evaluation with different doses in different time periods is needed for potential clinical use.

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Objective & Hypothesis:BACKGROUND: In this study, we aimed to examine the therapeutic effects of ozone on the acute phase of intestinal ischemia-reperfusion(I/R) injury in rats to resemble clinical practice.METHODS: Eighteen Wistar albino rats were assigned to control (CG, n=6), sham (SG, n=6) and ozone groups (OG, n=6).
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Key Findings & Data:A midlinelaparotomy was performed and a superior mesenteric artery (SMA) in the SG and OG was occluded with a 0/0 catgut suture, butin the CG, the incision was closed without any intervention.
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Conclusion & Impact:Further evaluation with different doses in different time periods is needed for potential clinical use.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

BACKGROUND: In this study, we aimed to examine the therapeutic effects of ozone on the acute phase of intestinal ischemia-reperfusion(I/R) injury in rats to resemble clinical practice.METHODS: Eighteen Wistar albino rats were assigned to control (CG, n=6), sham (SG, n=6) and ozone groups (OG, n=6). A midlinelaparotomy was performed and a superior mesenteric artery (SMA) in the SG and OG was occluded with a 0/0 catgut suture, butin the CG, the incision was closed without any intervention. Tissue oxygenation was monitored with a tissue oxygenation monitorto achieve the same grade during intestinal ischemia. The incision was closed and, in the OG, ozone/oxygen mixture (0.7 mg/kg) wasinjected intraperitoneally, 20 minutes before reperfusion. Surgical incision was reopened and reperfusion was achieved after 60 minutesof ischemia in the SG and OG. After 60 minutes of reperfusion, 2 cm small intestine segment was sampled for histopathologicalassessment of the intestinal mucosal damage (Chiu score) and biochemical assessment of oxidative stress markers (nitric oxide: NO,malondialdehyde: MDA, superoxide dismutase: SOD) in all groups.RESULTS: The Chiu scores of the SG and OG were statistically increased than that of the CG (p=0.002; and p=0.002, respectively).Chiu score in the OG was higher compared to that in the SG, but not statistically significant (p=0.175). MDA levels were statistically higherin the SG and OG than that of the CG (p=0.004; and p=0.010, respectively). However, the difference between the SG and OG was notstatistically significant (p=0.522). SOD and NO levels were not significantly different between groups (p=0.451 and p=0.056, respectively).CONCLUSION: Contrary to the literature, single-dose ozone therapy did not reduce the oxidative stress or improve the ischemicdamage in intestinal I/R injury in rats. Further evaluation with different doses in different time periods is needed for potential clinical use.

Özet

AMAÇ: Klinik uygulamalara benzer şekilde sıçanlarda ozonun intestinal iskemi-reperfüzyon (I/R) hasarının akut fazı üzerindeki terapötik etkilerini incelemeyi amaçladık. GEREÇ VE YÖNTEM: On sekiz Wistar albino sıçanı kontrol (CG, n=6), sham (SG, n=6) ve ozon gruplarına (OG, n=6) ayrıldı. Laparatomiyi takiben SG ve OG’de süperiyor mezenterik arter (SMA) 0/0 katgut dikişle oklüde edildi, ancak CG’de herhangi bir girişim yapılmadan insizyon kapatıldı. Eşit derecede bağırsak iskemisi elde etmek için bir doku oksijenasyon monitörü kullanıldı. İnsizyon kapatıldı ve OG’de, reperfüzyondan 20 dakika önce ozon/oksijen karışımı (0.7 mg/kg) intraperitoneal olarak enjekte edildi. SG ve OG’de 60 dakikalık iskemi sonrası cerrahi insizyon tekrar açıldı ve reperfüzyon sağlandı. Atmış dakikalık reperfüzyondan sonra tüm gruplarda bağırsak mukozal hasarının (Chiu skoru) histopatolojik değerlendirmesi ve oksidatif stres belirteçlerinin (nitrik oksit: NO, malonildialdehit: MDA, süperoksit dismutaz: SOD) biyokimyasal değerlendirmesi için 2 cm’lik ince bağırsak segmenti örneklendi. BULGULAR: Chiu skorları SG ve OG’de CG’ye göre istatistiksel olarak yüksekti (sırasıyla, p=0.002 ve p=0.002). Chiu skoru OG’de SG’ye göre daha yüksekti, ancak istatistiksel olarak anlamlı değildi (p=0.175). MDA düzeyleri SG ve OG’de CG’ye göre istatistiksel olarak daha yüksekti (sırasıyla p=0.004 ve p=0.010). Ancak, SG ve OG arasındaki fark istatistiksel olarak anlamlı değildi (p=0.522). SOD ve NO düzeyleri açısından gruplar arasında anlamlı olarak fark yoktu (sırasıyla, p=0.451 ve p=0.056). TARTIŞMA: Literatürün aksine, tek doz ozon tedavisi, sıçanlarda bağırsak I/R hasarında oksidatif stresi azaltmadı ve iskemik hasarı iyileştirmedi. Potansiyel bir klinik kullanım için farklı zaman aralıklarında farklı dozları içeren daha ileri değerlendirmeler yapılması gerekmektedir.

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Cite This Article

KISA, Ü., GÜNAL, Y. D., ASLAN, M. K., TÜRER, Ö. B., ATASOY, P. (2022). The effects of ozone on the acute phase of intestinal ischemia-reperfusion injury in rats. Ulusal Travma ve Acil Cerrahi Dergisi, Cilt: 26 - Sayı: 5, 651–656. https://ajindex.com/articles/644140

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