Acta cirurgica brasileira最新文献

{"title":"Noninvasive intracranial pressure profile in 31 patients submitted to fullendoscopic spine surgery.","authors":"André Tosta Ribeiro, Marcelo Campos Moraes Amato, Ricardo Santos de Oliveira","doi":"10.1590/acb396424","DOIUrl":"https://doi.org/10.1590/acb396424","url":null,"abstract":"<p><strong>Purpose: </strong>Full-endoscopic spine surgery (FESS) is associated with specific complications, possibly linked to increased intracranial pressure (ICP) resulting from continuous saline infusion into the epidural space. This study aimed to assess the impact of saline irrigation and its correlation with noninvasively obtained ICP waveform changes.</p><p><strong>Methods: </strong>Patients undergoing FESS between January 2019 and November 2020 were included. Noninvasive ICP (n-ICP) monitoring utilized an extracranial strain sensor generating ICP waveforms, from which parameters P2/P1 ratio and time to peak (TTP) values were derived and correlated to irrigation and vital parameters. Documentation occurred at specific surgical intervals (M0-preoperatively; M1 to M4-intraoperatively; M5-postoperatively). Mixed-model analysis of variance and multiple comparisons tests were applied, with M0 as the baseline.</p><p><strong>Results: </strong>Among 31 enrolled patients, three experienced headaches unrelated to increased ICP at M5. The P2/P1 ratio and TTP decreased during surgery (p < 0.001 and p < 0.004, respectively). Compared to baseline, P2/P1 ratio and vital parameters remained significantly lower at M5. No significant differences were observed for fluid parameters throughout surgery.</p><p><strong>Conclusions: </strong>This study demonstrated a decline in the n-ICP parameters after anesthetic induction despite the anticipated increase in ICP due to constant epidural irrigation. The n-ICP parameters behaved independently of fluid parameters, suggesting a potential protective effect of anesthesia.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e396424"},"PeriodicalIF":0.0,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11414522/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anterior-interrupted and posterior-continuous suture technique improved the success rate of kidney transplantation model in rats.","authors":"Lan-Tao Lu, Xun-Feng Zou, Shuang-Qing Han","doi":"10.1590/acb396024","DOIUrl":"https://doi.org/10.1590/acb396024","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to introduce and evaluate two new microvascular anastomosis techniques compared to the conventional method in a rat renal transplant model.</p><p><strong>Methods: </strong>Using a Fisher-to-Lewis rat kidney transplantation model, the renal artery anastomosis was performed using the interrupted (I) suture technique, Y-shaped continuous (Y) suture technique, and anterior-interrupted and posterior-continuous (I-C) suture technique. The rats were then divided into three groups: I group, Y group, and I-C group. Parameters such as arterial anastomosis time, warm ischemia time, seven-day survival rate of the rats, and vessel histopathology were assessed.</p><p><strong>Results: </strong>The mean arterial anastomosis time, blood leakage scores, and warm ischemia time were significantly reduced in groups Y and I-C compared to group I. Moreover, the seven-day survival rate was significantly higher in the I-C group compared to the other two groups. Arterial histopathology demonstrated vessel wall recovery without damage in all three groups, suggesting the safety of both Y and I-C techniques.</p><p><strong>Conclusions: </strong>The anterior-interrupted and posterior-continuous suture method is particularly beneficial for small artery reconstruction in organ transplantation.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e396024"},"PeriodicalIF":0.0,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11414520/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of artificial intelligence on the training of general surgeons of the future: a scoping review of the advances and challenges.","authors":"Caroliny Silva, Daniel Nascimento, Gabriela Gomes Dantas, Karoline Fonseca, Larissa Hespanhol, Amália Rego, Irami Araújo-Filho","doi":"10.1590/acb396224","DOIUrl":"10.1590/acb396224","url":null,"abstract":"<p><strong>Purpose: </strong>To explore artificial intelligence's impact on surgical education, highlighting its advantages and challenges.</p><p><strong>Methods: </strong>A comprehensive search across databases such as PubMed, Scopus, Scientific Electronic Library Online (SciELO), Embase, Web of Science, and Google Scholar was conducted to compile relevant studies.</p><p><strong>Results: </strong>Artificial intelligence offers several advantages in surgical training. It enables highly realistic simulation environments for the safe practice of complex procedures. Artificial intelligence provides personalized real-time feedback, improving trainees' skills. It efficiently processes clinical data, enhancing diagnostics and surgical planning. Artificial intelligence-assisted surgeries promise precision and minimally invasive procedures. Challenges include data security, resistance to artificial intelligence adoption, and ethical considerations.</p><p><strong>Conclusions: </strong>Stricter policies and regulatory compliance are needed for data privacy. Addressing surgeons' and educators' reluctance to embrace artificial intelligence is crucial. Integrating artificial intelligence into curricula and providing ongoing training are vital. Ethical, bioethical, and legal aspects surrounding artificial intelligence demand attention. Establishing clear ethical guidelines, ensuring transparency, and implementing supervision and accountability are essential. As artificial intelligence evolves in surgical training, research and development remain crucial. Future studies should explore artificial intelligence-driven personalized training and monitor ethical and legal regulations. In summary, artificial intelligence is shaping the future of general surgeons, offering advanced simulations, personalized feedback, and improved patient care. However, addressing data security, adoption resistance, and ethical concerns is vital. Adapting curricula and providing continuous training are essential to maximize artificial intelligence's potential, promoting ethical and safe surgery.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e396224"},"PeriodicalIF":0.0,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11414521/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of enteral and parenteral hyaluronic acid in induced ischemic skin flaps in rats: a double-blinded and randomized study.","authors":"Marina Frazatti Gallina, Ivan Felismino Charas Dos Santos, Bruna Martins da Silva, Guilherme Cirino Coelho Pereira, Lucas Fernando Sérgio Gushiken, Claudia Helena Pellizzon, Miriam Harumi Tsunemi, Sandro de Vargas Schons, Fernando do Carmo Silva, Kamile Daguano Sena, Vinicius Dos Santos Rosa","doi":"10.1590/acb395924","DOIUrl":"https://doi.org/10.1590/acb395924","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate exogenous hyaluronic acid (HA) derived from bacterial fermentation through enteral and parenteral routes in ischemic skin flaps induced in rats, using clinical and histological exams; and interleukins (IL) as tissue inflammatory biomarkers.</p><p><strong>Methods: </strong>Sixty-four male adults Wistar rats with ischemic skin flaps on the dorsum were randomized into four groups, based on the treatment protocol: subcutaneous administration of saline solution (0.9%) (GI); oral administration of distilled water (GII); subcutaneous administration of HA (0.3%) (GIII); and oral administration of HA (1%) (GIV). Flaps of all groups were comparable regarding clinical and macroscopic evaluation, histological examination, pro-inflammatory cytokines (IL-1β, IL-6, and tumor necrosis factor-α) and anti-inflammatory cytokine IL-10.</p><p><strong>Results: </strong>A lower percentage of necrosis was identified in flaps treated with subcutaneous administration of HA (0.3%). The pro- and anti-inflammatory cytokines, epidermis thickness, blood vessels, and inflammatory cells showed statistically significant inter-group and intra-group differences (p < 0.05).</p><p><strong>Conclusions: </strong>High molecular HA (1,400 ~ 2,000 kDa) administrated by subcutaneous or oral route exhibited beneficial effects in ischemic skin flaps of rats. However, subcutaneous administration of HA (0.3%) showed better results in terms of the percentage of necrosis and epithelialization.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e395924"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11383195/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142303146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of Hibiscus sabdariffa supplementation on metabolism and bladder in obese rats.","authors":"Pedro Pajolli, Paulo Roberto Kawano, Hamilto Yamamoto, Rodrigo Guerra, Bruno Matos Moraes, Leonardo Oliveira Reis, Flavio Vasconcelos Ordones, Oscar Eduardo Hidetoshi Fugita, Alessandra Melchert, João Luiz Amaro","doi":"10.1590/acb395024","DOIUrl":"https://doi.org/10.1590/acb395024","url":null,"abstract":"<p><strong>Purpose: </strong>Hibiscus sabdariffa (HS) extract has several health benefits and anti-obesogenic effects. The aim of the present study was to assess whether the medicinal properties attributable to HS would prevent or mitigate bladder changes induced by obesity in an experimental model.</p><p><strong>Methods: </strong>Forty-eight male Wistar rats were submitted to one of four different dietary interventions (12 animals each): G1, standard diet and water (controls); G2, standard diet and HS tea; G3, a palatable high-fat diet and water; and G4, high-fat diet diet and HS tea. The animals were monitored for body weight, feed, and water and tea intake, according to the allocated group. After 16 weeks, the animals were euthanized, and the levels of creatinine, inflammatory cytokines, testosterone, cholesterol, triglycerides, and electrolytes were evaluated. In addition, histopathological analysis of the animals' bladder was performed.</p><p><strong>Results: </strong>Groups receiving HS (G2 and G4) showed decreased levels of the pro-inflammatory cytokine interleukin-1α. HS tea was able to reduce low-density lipoprotein and triglyceride levels in the G2 group compared to other groups. Only in the G3 there was a significant increase in the body weight when it was compared the 12th and 16th weeks. Leptin was shown to be elevated in the groups that received a high-fat diet. There was a significant decrease in the muscle fibers thickness and in the total collagen count in G4 bladder when compared with G1 and G3.</p><p><strong>Conclusions: </strong>HS has an anti-inflammatory role, can reverse hyperlipidemia in rats, and reduced deleterious effects of obesity on these animals' bladder.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e395024"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11383430/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142303145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of daily administration of blackberry extract on gerbil model of transient cerebral ischemia.","authors":"Asahi Oda, Kazuhisa Sugai, Masahiko Fujisawa, Yoji Hakamata, Shou Kobayashi, Eiji Kobayashi","doi":"10.1590/acb397424","DOIUrl":"https://doi.org/10.1590/acb397424","url":null,"abstract":"<p><strong>Purpose: </strong>Blackberries are rich in polyphenols and are a human health food continuously consumed to improve health and reduce diseases caused by aging. Herein, we evaluated the effects of daily blackberry administration before and after transient cerebral ischemia in gerbils.</p><p><strong>Methods: </strong>Blackberry extract (BBE) was orally administered twice a day for two weeks to protect against ischemic events during continuous administration. On the seventh day after administration, the bilateral common carotid arteries were transiently occluded for 5 min. To verify its therapeutic effect, BBE was administered after ischemia using a similar protocol without pre-administration. In both experiments, the number of viable neurons in the CA1 region of the hippocampus was assessed seven days after ischemic treatment.</p><p><strong>Results: </strong>The number of neurons in the group treated with BBE before ischemia was higher than that in the group treated with distilled water (p = 0.0601), and similar to that in the control group. In the BBE administration experiments after ischemia, the number of neurons was significantly reduced compared to that in the control group (p < 0.0001).</p><p><strong>Conclusions: </strong>Continuous BBE intake is expected to prevent or ameliorate ischemic events such as transient cerebral ischemia.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e397424"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11384969/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142303147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preclinical evaluation of the functionality of a polymer-coated sirolimuseluting stent in pigs.","authors":"Sílvio César Perini, Jeanne Louise Fernandes Jesus, Alessandro Batista Soares, Rosane Angélica Ligabue, Luiz Carlos Bodanese","doi":"10.1590/acb397324","DOIUrl":"https://doi.org/10.1590/acb397324","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the endothelial coverage of different stents in porcine carotid arteries. Research problem: How effective are polyurethane stents (PU) and PU + rapamycin (PU + RAPA) compared to bare-metal stents on endothelial coverage by neointima in pigs after 28 days?</p><p><strong>Methods: </strong>The methodology had two phases for an interventional, experimental, prospective study, with three Moura pigs, 12 weeks old and weighing between 19 and 22.5 kg. In phase I, eight stents were implanted in carotid arteries; three stents coated with PU, three coated with PU + RAPA, and two without coating. After 28 days, phase II was carried out, consisting of euthanasia, removal of the stents, to evaluate the exposed area of the stent struts, and the percentage of endothelialization through optical microscopy and scanning electron microscopy.</p><p><strong>Results: </strong>The eight stents implanted with ultrasound sizing and post-dilation with a larger diameter balloon were analyzed by Doppler ultrasound, intravascular ultrasound, and angiography after 28 days.</p><p><strong>Conclusions: </strong>This study showed complete endothelial coverage by the endoluminal neointima of the stent struts, good integration and coverage with the arterial wall, with no exposed struts showing the presence of intimal hyperplasia (whitish tissue).</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e397324"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11384970/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142303148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of etomidate in endotracheal intubations in the emergency room during the COVID-19 pandemic: a randomized clinical trial.","authors":"Fernando Sabia Tallo, Marcelo Pires-Oliveira, Marianne Yumi Nakai, Lucas Antonio Duarte Nicolau, Jand Venes Rolim Medeiros, Flávia de Sousa Gehrke, Murched Omar Taha, Afonso Caricati-Neto, Francisco Sandro Menezes-Rodrigues, Simone de Campos Vieira Abib","doi":"10.1590/acb395724","DOIUrl":"10.1590/acb395724","url":null,"abstract":"<p><strong>Purpose: </strong>Shock, cardiovascular problems, and respiratory failure constitute the main causes of death in patients cared in medical emergency rooms. Patients commonly require orotracheal intubation (OTI), a fact that has been intensified by diseases that generate important and fatal hemodynamic and respiratory problems in the affected patient.</p><p><strong>Methods: </strong>Although etomidate (ETO) is a highly used anesthetic for OTI, its use remains controversial in several scenarios. Some studies refer to an increase in mortality with its use in critically patients, while others do not refer to a difference. Therefore, we evaluated the mortality of patients submitted to OTI in the public hospital of a public federal university, with the use of ETO and other sedative-hypnotic drugs used in the induction of the performance of OTI, with the in-hospital mortality of patients cared in hospital.</p><p><strong>Results: </strong>The results demonstrate that the use of ETO as a hypnotic for OTI in the emergency room is not associated with a significant difference in morbidity or early mortality, within 30 days of hospitalization, compared with other hypnotics.</p><p><strong>Conclusions: </strong>There was no difference in mortality between patients intubated in the emergency department who used ETO and those who used non-ETO hypnotic within 72 hours and 30 days.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e395724"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11383194/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142303149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Can adalimumab prevent from acute effects of lipopolysaccharide induced renal injury in rats?","authors":"Nuket Özkavruk Eliyatkın, Akif İşlek, Selim Durmaz, Fevzi Ayyıldız, Ömer Rahman","doi":"10.1590/acb394624","DOIUrl":"10.1590/acb394624","url":null,"abstract":"<p><strong>Purpose: </strong>Lipopolysaccharides is well-known in the acute renal injury process. It causes widespread activation of inflammatory cascades. Tumor necrosis factor (TNF)-α and interleukin (Il)-6 are essential proinflammatory cytokines that can induce the production of other cytokines in host response. Adalimumab suppresses TNF-α, IL-1β, and IL-6. We aimed to evaluate whether adalimumab would prevent the toxicity of lipopolysaccharide on the rat renal tissue.</p><p><strong>Methods: </strong>Adult female Wistar rats were divided into four groups. To the control group, only intraperitoneal saline injection procedure was carried out. For adalimumab group, adalimumab was injected at a dose for two days. For lipopolysaccharide group, animals were injected with lipopolysaccharide (a dose). For lipopolysaccharide-adalimumab group, animals were given adalimumab treatment before the injection of lipopolysaccharide. Histopathological changes and immunohistochemical analysis for TNF-α and IL-6 were determined.</p><p><strong>Results: </strong>The pathological changes and immunohistochemical staining for TNF-α or IL-6 were similar for control and adalimumab groups (p > 0.05). The lipopolysaccharide group had significantly higher distorted features in the renal tissues (p < 0.001), and also significantly prominent immunohistochemical staining for TNF-α or IL-6 (0.003), compared to the control group. No severe pathological feature was detected in the lipopolysaccharide-adalimumab group, but moderate necrosis was found in all cases (p = 0.003). TNF-α staining and IL-6 staining in the lipopolysaccharide group was found to significantly prominent compared to lipopolysaccharide-adalimumab group (p = 0.013).</p><p><strong>Conclusions: </strong>Because of its anti-inflammatory property, adalimumab pretreatment may have protective effects on experimental kidney injury. Adalimumab could be considered as a protective agent to acute effects of lipopolysaccharide induced renal injury.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e394624"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368208/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Improvement effect of compound Ento-PB on oxazolone-induced ulcerative colitis in rats.","authors":"Zhi Fan, Jinhu Chen, Jia Wei, ZhiBin Yang, Huai Xiao, Heng Liu","doi":"10.1590/acb395524","DOIUrl":"10.1590/acb395524","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the impact of the Chinese medicine compound Ento-PB on oxazolone (OXZ)-induced ulcerative colitis (UC) in rats.</p><p><strong>Methods: </strong>UC rats induced by OXZ were treated with Ento-PB. The damage to the colon was assessed using several measures, including the disease activity index (DAI), colon length, colon weight/length ratio, colonic mucosal damage index, and histological score. The levels of interleukin-4 (IL-4), interleukin-10 (IL-10), interleukin-13 (IL-13), epidermal growth factor (EGF), inducible nitric oxide synthase, and total nitric oxide synthase (tNOS) in rat serum, as well as the levels of tumor necrosis factor-α (TNF-α) and myeloperoxidase (MPO) in rat colon tissue, were determined using enzyme-linked immunosorbent assay and conventional kits.</p><p><strong>Results: </strong>After being treated with Ento-PB, the DAI score and macroscopic lesion score of OXZ-induced UC rats were significantly reduced. Ento-PB prevented the shortening of rat colons, reduced the ratio of colon weight to length, and improved colon tissue lesions. Meanwhile, Ento-PB could significantly inhibit the activities of proinflammatory cytokines TNF-α, IL-13, and MPO, as well as tNOS and iNOS, while upregulating the expression of anti-inflammatory cytokines IL-4 and IL-10. Moreover, a significant increase in the expression level of EGF was observed in UC rats treated with Ento-PB, indicating that Ento-PB could enhance the repair of damaged intestinal epithelial tissue.</p><p><strong>Conclusions: </strong>Ento-PB demonstrates significant anti-UC activities in OXZ-induced UC rats by regulating the expression levels of inflammatory factors and promoting the repair of colon tissue. This study provides scientific evidence to support the further development of Ento-PB.</p>","PeriodicalId":93850,"journal":{"name":"Acta cirurgica brasileira","volume":"39 ","pages":"e395524"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368207/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}