Surgery
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Limited data are available for pancreatic neuroendocrine carcinomas (NEC) defined by 2010 World Health Organization (WHO) criteria (mitotic count >20 mitoses/10 high-power fields and/or a Ki67 index of >20%), because most studies encompass heterogeneous cohorts of extrapulmonary/gastrointestinal NEC. Our aim was to evaluate the clinicopathologic characteristics, treatment, and prognosis of patients with pancreatic NEC defined by the 2010 WHO criteria. ⋯ Pancreatic NEC constitute a heterogeneous group of tumors. Although NEC is an aggressive disease, curative resection in localized disease is associated with improved survival. Morphologic WD pancreatic NEC represents a subgroup with what seems to be a markedly improved survival. Within the NEC category, tumor treatment should be individualized considering tumor morphology as well as the other 2010 WHO criteria.
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Comparative Study
Complement C5a inhibition improves late hemodynamic and inflammatory changes in a rat model of nonocclusive mesenteric ischemia.
Nonocclusive mesenteric ischemia (NOMI) can evolve in a variety of low-flow states. Although the mechanisms leading to NOMI-related intestinal necrosis are largely unknown, circumstantial evidence suggests that excessive vasoconstriction and complement activation both play important roles in this process. Because targeting of the circulatory malfunction of the splanchnic area could be of therapeutic relevance, we set out to investigate the long-term effects of treatment with a complement C5a antagonist in a rat model of partial aortic occlusion (PAO)-induced transient mesenteric hypoperfusion. ⋯ C5a inhibition ameliorated the potentially harmful local mesenteric hypoperfusion and global long-term inflammatory consequences of PAO. This approach is of promise for use in NOMI-associated situations.
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Clinical Trial
Prediction of posthepatectomy liver failure based on liver stiffness measurement in patients with hepatocellular carcinoma.
Posthepatectomy liver failure (PHLF) is a potentially fatal complication, and the accurate prediction of PHLF is essential. Liver stiffness measurement (LSM) has been accepted widely as a noninvasive assessment for liver fibrosis. We aimed to evaluate the usefulness of LSM in predicting PHLF. ⋯ LSM was useful for the prediction of PHLF and the estimation of the safe Rem range.
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To improve the therapeutic strategy for esophageal squamous cell carcinoma (ESCC), combined neoadjuvant chemotherapy (NAC) followed by operative surgical resection has been applied recently to patients at clinical stages II/III. Our study aimed to elucidate the impact of the circumferential resection margin (CRM) status of surgically resected specimens on the prognosis of patients undergoing neoadjuvant therapy. ⋯ Positive CRM according to CAP criteria after multimodality treatment significantly affects the overall and relapse-free survival of ESCC patients.
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Emergency general surgery (EGS) has emerged as an important component of frontline operative care. Efforts in high-income settings have described its burden but have yet to consider low- and middle-income health care settings in which emergent conditions represent a high proportion of operative need. The objective of this study was to describe the disease spectrum of EGS conditions and associated factors among patients presenting in a low-middle income context. ⋯ This study takes an important step toward quantifying outcomes and complications of EGS, providing one of the first assessments of EGS conditions using American Association for the Surgery of Trauma definitions in a low-middle income health care setting. Further efforts in varied settings are needed to promote representative benchmarking worldwide.