Bleeding Esophagus With Peeling-off Mucosa.
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ABSTRACT:
SUBMITTER: Chiang HC
PROVIDER: S-EPMC11308070 | biostudies-literature | 2022
REPOSITORIES: biostudies-literature
Publications
Bleeding Esophagus With Peeling-off Mucosa.
Chiang Hsueh-Chien HC Lin Xi-Zhang XZ
Gastro hep advances 20220420 5
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Project description:Background and aimsBleeding from diffuse esophageal ulcerations can be difficult to treat. Hemospray is a hemostatic powder, and its mechanism of hemostasis is thought to be through concentrating clotting factors and forming mechanical plugs on bleeding vessels.MethodsThe authors present 3 consecutive cases of diffusely ulcerated esophagus with clinically significant bleeding. The first 2 cases failed conventional hemostatic treatment including clipping and injection therapy. In the third case, Hemospray was used as the first-line monotherapy.ResultsImmediate hemostasis was achieved in all 3 patients, and they did not develop recurrent bleeding for more than 2 months.ConclusionsThe authors propose that Hemospray application should be considered as the first-line therapy in diffuse esophageal ulcerations with clinically significant bleeding, potentially reducing the need to repeat endoscopy. Once the Hemospray achieves hemostasis, it provides a cyto-protective barrier on the diffusely ulcerated mucosa against ongoing acid reflux, allowing the new tissue to grow more efficiently during the ulcer healing period.
| S-EPMC6408944 | biostudies-literature
Project description:Background and aimsBleeding from diffuse esophageal ulcerations can be difficult to treat. Hemospray is a hemostatic powder, and its mechanism of hemostasis is thought to be through concentrating clotting factors and forming mechanical plugs on bleeding vessels.MethodsThe authors present 3 consecutive cases of diffusely ulcerated esophagus with clinically significant bleeding. The first 2 cases failed conventional hemostatic treatment including clipping and injection therapy. In the third case, Hemospray was used as the first-line monotherapy.ResultsImmediate hemostasis was achieved in all 3 patients, and they did not develop recurrent bleeding for more than 2 months.ConclusionsThe authors propose that Hemospray application should be considered as the first-line therapy in diffuse esophageal ulcerations with clinically significant bleeding, potentially reducing the need to repeat endoscopy. Once the Hemospray achieves hemostasis, it provides a cyto-protective barrier on the diffusely ulcerated mucosa against ongoing acid reflux, allowing the new tissue to grow more efficiently during the ulcer healing period.
| S-EPMC6408944 | biostudies-literature
Project description:Background and aimsBleeding from diffuse esophageal ulcerations can be difficult to treat. Hemospray is a hemostatic powder, and its mechanism of hemostasis is thought to be through concentrating clotting factors and forming mechanical plugs on bleeding vessels.MethodsThe authors present 3 consecutive cases of diffusely ulcerated esophagus with clinically significant bleeding. The first 2 cases failed conventional hemostatic treatment including clipping and injection therapy. In the third case, Hemospray was used as the first-line monotherapy.ResultsImmediate hemostasis was achieved in all 3 patients, and they did not develop recurrent bleeding for more than 2 months.ConclusionsThe authors propose that Hemospray application should be considered as the first-line therapy in diffuse esophageal ulcerations with clinically significant bleeding, potentially reducing the need to repeat endoscopy. Once the Hemospray achieves hemostasis, it provides a cyto-protective barrier on the diffusely ulcerated mucosa against ongoing acid reflux, allowing the new tissue to grow more efficiently during the ulcer healing period.
| S-EPMC6408944 | biostudies-literature
Project description:AimTo investigate the microRNA expression profile in esophageal neosquamous epithelium from patients who had undergone ablation of Barrett's esophagus.MethodsHigh throughput screening using TaqMan® Array Human MicroRNA quantitative PCR was used to determine expression levels of 754 microRNAs in distal esophageal mucosa (1 cm above the gastro-esophageal junction) from 16 patients who had undergone ablation of non-dysplastic Barrett's esophagus using argon plasma coagulation vs pretreatment mucosa, post-treatment proximal normal non-treated esophageal mucosa, and esophageal mucosal biopsies from 10 controls without Barrett's esophagus. Biopsies of squamous mucosa were also taken from 5 cm above the pre-ablation squamo-columnar junction. Predicted mRNA target pathway analysis was used to investigate the functional involvement of differentially expressed microRNAs.ResultsForty-four microRNAs were differentially expressed between control squamous mucosa vs post-ablation neosquamous mucosa. Nineteen microRNAs were differentially expressed between post-ablation neosquamous and post-ablation squamous mucosa obtained from the more proximal non-treated esophageal segment. Twelve microRNAs were differentially expressed in both neosquamous vs matched proximal squamous mucosa and neosquamous vs squamous mucosa from healthy patients. Nine microRNAs (miR-424-5p, miR-127-3p, miR-98-5p, miR-187-3p, miR-495-3p, miR-34c-5p, miR-223-5p, miR-539-5p, miR-376a-3p, miR-409-3p) were expressed at higher levels in post-ablation neosquamous mucosa than in matched proximal squamous and healthy squamous mucosa. These microRNAs were also more highly expressed in Barrett's esophagus mucosa than matched proximal squamous and squamous mucosa from controls. Target prediction and pathway analysis suggests that these microRNAs may be involved in the regulation of cell survival signalling pathways. Three microRNAs (miR-187-3p, miR-135b-5p and miR-31-5p) were expressed at higher levels in post-ablation neosquamous mucosa than in matched proximal squamous and healthy squamous mucosa. These miRNAs were expressed at similar levels in pre-ablation Barrett's esophagus mucosa, matched proximal squamous and squamous mucosa from controls. Target prediction and pathway analysis suggests that these microRNAs may be involved in regulating the expression of proteins that contribute to barrier function.ConclusionNeosquamous mucosa arising after ablation of Barrett's esophagus expresses microRNAs that may contribute to decreased barrier function and microRNAs that may be involved in the regulation of survival signaling pathways.
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Project description:ATAC-seq on human esophagus mucosa For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf
2021-03-30 | GSE170282 | GEO
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