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- W2417776380 abstract "An increase in intra-abdominal pressure causes a decrease in the splanchnic blood flow and the intramucosal pH of the bowel, as well as increasing the risk of ischemia in the colon. The aim of the present study is to evaluate the effect of hyperbaric oxygen therapy (HBOT) on the ischemia caused by laparoscopy in colonic anastomosis in an experimental model of laparoscopic colonic surgery.We divided 30 male Wistar albino rats into three groups: Group A was the control (open colon anastomosis); Group B received LCA (laparoscopic colon anastomosis); while Group C received both LCA and HBOT. Each group contained ten animals. We placed Group C (LCA and HBOT) in an experimental hyperbaric chamber into which we administered pure oxygen at 2.1 atmospheres absolute 100% oxygen for 60 min for ten consecutive days.The anastomotic bursting pressure value was found to be higher in the open surgery group (226 ± 8.8) (Group A). The result for Group C (213 ± 27), which received HBOT, was better than that for Group B (197 ± 27). However, there was no statistically significant difference between Group B and Group C. Group A showed better healing than the other groups, while significant differences in the fibroblast proliferation scores were found between Groups A and B. In terms of tissue hydroxyproline levels, a significant difference was found between Groups A and B and between Groups A and C, but not between Groups B and C.HBOT increases the oxygen level in the injured tissue. Although HBOT might offer several advantages, it had only a limited effect on the healing of colonic anastomosis in rats with increased intra-abdominal pressure in our study.Anastomosis, Colon, Hyperbaric Oxygen Treatment, Oxidative Stress.Un aumento della pressione intraddominale determina una riduzione del flusso splancnico ed del pH intramucoso dell’intestino, come pure un aumentato rischio di eschemia dle colon. Lo scopo di questo studio è quello di valutare l’effetto della terapia con ossigeno iperbarico (HBOT) sull’ischemia provocata dalla laparoscopia sulle anastomosi Coliche in un modello sperimentale di chirurgia laparoscopica del colon.Abbiamo diviso 30 ratti maschi Wistar albini in tre gruppi di 10 animali ciascuno: il Gruppo A di controllo (anastomosi colica ad addome aperto); il Gruppo B di anastomosi colica laparoscopica (LCA); il Gruppo C di anastomosi colica laparoscopica (LCA) trattato con HBOT. Il Gruppo C (LCA + HBOT) è stato introdotto in camera iperbarica con somministrazione di ossigeno puro al 200% a 2,1 atmosfere per 60’ per dieci giorni consecutivi.Si è riscontrato che il valore della pressione di rottura dell’anastomosi è più elevata nel gruppo A (226 ± 8.8). Lo stesso valore nel Gruppo C, trattato con HBOT) (213 ± 27), è risultato migliore di quello nel Gruppo B (197 ± 27). Comunque non sono state rilevate differenze statistiche significative tra il Gruppo B ed il Gruppo C. Il Gruppo A ha mostrato guarigione migliore rispetto agli altri gruppi, mentre differenze significative relative alla proliferazione fibroblastica sono state rilevate tra Gruppo A e Gruppo B. In termini di livelli di idrossiprolina tissutale è stata rilevata una differenza significativa tra Gruppo A e Gruppo B e tra Gruppo A e Gruppo C, ma non tra Gruppo B e Gruppo C.La JBOT accresce il livello di ossigeno sui tessuto traumatizzati. Sebbene la HBOT potrebbe offrire numerosi vantaggi, essa nel nostro studio mostra solo effetti limitati sui processi di guarigione delle anastomosi del colon sui ratti sottoposti ad aumento della pressione intraaddominale." @default.
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- W2417776380 date "2016-01-01" @default.
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- W2417776380 title "Does hyperbaric oxygen therapy reduce the effects of ischemia on colonic anastomosis in laparoscopic colon resection?" @default.
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