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1.
World J Gastrointest Surg ; 13(11): 1372-1389, 2021 Nov 27.
Artigo em Inglês | MEDLINE | ID: mdl-34950427

RESUMO

BACKGROUND: Although the "Step-up" strategy is the primary surgical treatment for infected pancreatic necrosis, it is not suitable for all such patients. The "One-step" strategy represents a novel treatment, but the safety, efficacy, and long-term follow-up have not yet been compared between these two approaches. AIM: To compare the safety, efficacy, and long-term follow-up of two surgical approaches to provide a reference for infected pancreatic necrosis treatment. METHODS: This was a retrospective analysis of infectious pancreatic necrosis patients who underwent "One-step" or "Step-up" necrosectomy at Xuan Wu Hospital, Capital Medical University, from May 2014 to December 2020. The primary outcome was the composite endpoint of severe complications or death. Patients were followed up every 6 mo after discharge until death or June 30, 2021. Statistical analysis was performed using SPSS 21.0 and GraphPad Prism 8.0, and statistical significance was set at P < 0.05. RESULTS: One-hundred-and-fifty-eight patients were enrolled, of whom 61 patients underwent "One-step" necrosectomy and 97 patients underwent "Step-up" necrosectomy. During the long-term follow-up period, 40 patients in the "One-step" group and 63 patients in the "Step-up" group survived. The time from disease onset to hospital admission (53.69 ± 38.14 vs 32.20 ± 20.75, P < 0.001) and to initial surgical treatment was longer in the "Step-up" than in the "One-step" group (54.38 ± 10.46 vs 76.58 ± 17.03, P < 0.001). Patients who underwent "Step-up" necrosectomy had a longer hospitalization duration (65.41 ± 28.14 vs 52.76 ± 24.71, P = 0.02), and more interventions (4.26 ± 1.71 vs 3.18 ± 1.39, P < 0.001). Postoperative inflammatory indicator levels were significantly lower than preoperative levels in each group. Although the incisional hernia incidence was higher in the "One-step" group, no significant difference was found in the composite outcomes of severe complications or death, new-onset organ failure, postoperative complications, inflammatory indicators, long-term complications, quality of life, and medical costs between the groups (P > 0.05). CONCLUSION: Compared with the "Step-up" approach, the "One-step" approach is a safe and effective treatment method with better long-term quality of life and prognosis. It also provides an alternative surgical treatment strategy for patients with infected pancreatic necrosis.

2.
World J Clin Cases ; 9(30): 9218-9227, 2021 Oct 26.
Artigo em Inglês | MEDLINE | ID: mdl-34786408

RESUMO

BACKGROUND: Severe acute pancreatitis (SAP) is a common critical disease of the digestive system. In addition to the clinical manifestations and biochemical changes of acute pancreatitis, SAP is also accompanied by organ failure lasting more than 48 h. SAP is characterized by focal or extensive pancreatic necrosis, hemorrhage and obvious inflammation around the pancreas. The peripancreatic fat space, fascia, mesentery and adjacent organs are often involved. The common local complications include acute peripancreatic fluid collection, acute necrotic collection, pancreatic pseudocyst, walled off necrosis and infected pancreatic necrosis. After reviewing the literature, we found that in very few cases, SAP patients have complications with anterior abdominal wall abscesses. CASE SUMMARY: We report a 66-year-old Asian male with severe acute pancreatitis who presented with intermittent abdominal pain and an increasing abdominal mass. The abscess spread from the retroperitoneum to the anterior abdominal wall and the right groin. In the described case, drainage tubes were placed in the retroperitoneal and anterior abdominal wall by percutaneous puncture. After a series of symptomatic supportive therapies, the patient was discharged from the hospital with a retroperitoneal drainage tube after the toleration of oral feeding and the improvement of nutritional status. CONCLUSION: We believe that patients with SAP complicated with anterior abdominal abscess can be treated conservatively to avoid unnecessary exploration or operation.

3.
Am J Transl Res ; 13(3): 833-852, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33841625

RESUMO

Acute pancreatitis (AP) is a common gastrointestinal disease with a high risk of mortality. Recently, the exosome and its potential regulatory role in the progression of AP has garnered the interest of researchers. However, effective drug interventions and therapeutic targets for AP remain to be established. Treatment approaches for AP have undergone considerable changes in the recent years: there is a greater preference for minimally invasive therapy (as primary treatment), multidisciplinary participation and the step-up approach. We aimed to discuss AP mechanism and the recent advancement in its treatment strategies to manage AP better in clinical practice.

4.
Int J Biol Sci ; 17(2): 549-561, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33613112

RESUMO

Comprehensive reviews and large population-based cohort studies have played an important role in the diagnosis and treatment of pancreatitis and its sequelae. The incidence and mortality of pancreatitis have been reduced significantly due to substantial advancements in the pathophysiological mechanisms and clinically effective treatments. The study of extracellular vesicles (EVs) has the potential to identify cell-to-cell communication in diseases such as pancreatitis. Exosomes are a subset of EVs with an average diameter of 50~150 nm. Their diverse and unique constituents include nucleic acids, proteins, and lipids, which can be transferred to trigger phenotypic changes of recipient cells. In recent years, many reports have indicated the role of EVs in pancreatitis, including acute pancreatitis, chronic pancreatitis and autoimmune pancreatitis, suggesting their potential influence on the development and progression of pancreatitis. Plasma exosomes of acute pancreatitis can effectively reach the alveolar cavity and activate alveolar macrophages to cause acute lung injury. Furthermore, upregulated exosomal miRNAs can be used as biomarkers for acute pancreatitis. Here, we summarized the current understanding of EVs in pancreatitis with an emphasis on their biological roles and their potential use as diagnostic biomarkers and therapeutic agents for this disease.


Assuntos
Vesículas Extracelulares/fisiologia , Pancreatite/etiologia , Animais , Biomarcadores , Humanos , Pancreatite/diagnóstico
5.
Ann Transl Med ; 9(1): 69, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-33553362

RESUMO

Acute pancreatitis (AP) is an inflammatory disease that can progress to severe acute pancreatitis (SAP), which increases the risk of death. AP is characterized by inappropriate activation of trypsinogen, infiltration of inflammatory cells, and destruction of secretory cells. Other contributing factors may include calcium (Ca2+) overload, mitochondrial dysfunction, impaired autophagy, and endoplasmic reticulum (ER) stress. In addition, exosomes are also associated with pathophysiological processes of many human diseases and may play a biological role in AP. However, the pathogenic mechanism has not been fully elucidated and needs to be further explored to inform treatment. Recently, the treatment guidelines have changed; minimally invasive therapy is advocated more as the core multidisciplinary participation and "step-up" approach. The surgical procedures have gradually changed from open surgery to minimally invasive surgery that primarily includes percutaneous catheter drainage (PCD), endoscopy, small incision surgery, and video-assisted surgery. The current guidelines for the management of AP have been updated and revised in many aspects. The type of fluid to be used, the timing, volume, and speed of administration for fluid resuscitation has been controversial. In addition, the timing and role of nutritional support and prophylactic antibiotic therapy, as well as the timing of the surgical or endoscopic intervention, and the management of complications still have many uncertainties that could negatively impact the prognosis and patients' quality of life. Consequently, to inform clinicians about optimal treatment, we aimed to review recent advances in the understanding of the pathogenesis of AP and its diagnosis and management.

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