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The development of gastroesophageal reflux disease (GERD) has been shown to be not infrequent after laparoscopic sleeve gastrectomy (LSG). Management may vary from medical therapy to Roux-en-Y gastric bypass (RYGB) conversion. Magnetic sphincter augmentation (MSA) device has been shown to be a promising option with excellent results. The purpose of this video was to demonstrate the laparoscopic management of post-LSG GERD with MSA device implant.
An intraoperative video has been edited to demonstrate the MSA device placement after LSG for the treatment of pathologic GERD.
The procedure started with the lysis of the perigastric adhesions to free the distal esophagus circumferentially. The posterior vagus nerve was identified, and a small window was created between the posterior esophageal wall anteriorly and the vagus nerve posteriorly. A hiatoplasty was performed using two non-resorbable interrupted 2.0 Prolene® sutures. The system's sizer was placed to measure the junctional circumference. A 15-mm MSA device was implanted.
MSA device placement seems technically feasible and safe with promising results in term of improved LES resting pressure and esophageal acid exposure. While future studies are necessary to corroborate these preliminary indications, MSA device may possibly become a valid option in surgeon armamentarium.
MSA device placement seems technically feasible and safe with promising results in term of improved LES resting pressure and esophageal acid exposure. While future studies are necessary to corroborate these preliminary indications, MSA device may possibly become a valid option in surgeon armamentarium.
The use of intragastric balloons (IGBs) for the treatment of obesity was approved by the US Food and Drug Administration in 2015. This study aims to characterize preoperative factors and outcomes of patients undergoing IGB therapy compared to bariatric surgery (non-IGB) and evaluate 5-year trends in IGB use.
A retrospective cohort study was performed by extracting data from the MBSAQIP registry between 2015 and 2019. All non-IGB and IGB procedures were included while revisional and emergency surgeries were excluded. Multivariable logistic regression analysis was used to determine independent predictors of patient selection for IGB therapy.
Of 652,927 patients identified, only 2910 (0.4%) underwent IGB therapy. Patients who underwent IGB therapy were older (46.7 ± 11.4years vs 44.4 ± 12.0years; p < 0.0001), had lower BMI at baseline (37.0 ± 6.2kg/m
vs 45.3 ± 7.8kg/m
; p < 0.0001), and were overall healthier with fewer comorbidities and better functional status. The rate of early nonoperative reintervention was higher in the IGB cohort (7.7% vs 1.1%; p < 0.0001). Age was the only significant predictor of selection for IGB therapy (OR 1.32; 95% CI 1.24-1.37; p < 0.0001). The number of IGB procedures reported between 2016 and 2019 declined significantly (953 (0.62%) vs 418 (0.25%); p < 0.0001).
Appropriate indications for IGBs appear to be increasingly limited. The ongoing role of IGBs in the treatment of obesity is unclear given the safety and efficacy of modern bariatric surgery and new pharmacological agents for weight loss.
Appropriate indications for IGBs appear to be increasingly limited. The ongoing role of IGBs in the treatment of obesity is unclear given the safety and efficacy of modern bariatric surgery and new pharmacological agents for weight loss.Hypoxic-ischemic (HI) brain injury is a major contributor to neurodevelopmental morbidities. Inter-alpha inhibitor proteins (IAIPs) have neuroprotective effects on HI-related brain injury in neonatal rats. However, the effects of treatment with IAIPs on sequential behavioral, MRI, and histopathological abnormalities in the young adult brain after treatment with IAIPs in neonates remain to be determined. The objective of this study was to examine the neuroprotective effects of IAIPs at different neurodevelopmental stages from newborn to young adults after exposure of neonates to HI injury. IAIPs were given as 11-sequential 30-mg/kg doses to postnatal (P) day 7-21 rats after right common carotid artery ligation and exposure to 90 min of 8% oxygen. The resulting brain edema and injury were examined by T2-weighted magnetic resonance imaging (MRI) and cresyl violet staining, respectively. The mean T2 values of the ipsilateral hemisphere from MRI slices 6 to 10 were reduced in IAIP-treated HI males + females on P8, P9, and P10 and females on P8, P9, P10, and P14. IAIP treatment reduced hemispheric volume atrophy by 44.5 ± 29.7% in adult male + female P42 rats and improved general locomotor abilities measured by the righting reflex over time at P7.5, P8, and P9 in males + females and males and muscle strength/endurance measured by wire hang on P16 in males + females and females. IAIPs provided beneficial effects during the learning phase of the Morris water maze with females exhibiting beneficial effects. IAIPs confer neuroprotection from HI-related brain injury in neonates and even in adult rats and beneficial MRI and behavioral benefits in a sex-dependent manner.The main IgG4 antibody-mediated neurological disorders (IgG4-ND) include MuSK myasthenia; CIDP with nodal/paranodal antibodies to Neurofascin-155, contactin-1/caspr-1, or pan-neurofascins; anti-LGI1 and CASPR2-associated limbic encephalitis, Morvan syndrome, or neuromyotonia; and several cases of the anti-IgLON5 and anti-DPPX-spectrum CNS diseases. The paper is centered on the clinical spectrum of IgG4-ND and their immunopathogenesis highlighting the unique functional effects of the IgG4 subclass compared to IgG1-3 antibody subclasses. The IgG4 antibodies exert pathogenic effects on their targeted antigens by blocking enzymatic activity or disrupting protein-protein interactions affecting signal transduction pathways, but not by activating complement, binding to inhibitory FcγRIIb receptor or engaging in cross-linking of the targeted antigen with immune complex formation as the IgG1-IgG3 antibody subclasses do. IgG4 can even inhibit the classical complement pathway by affecting the affinity of IgG1-2 subclassn IgG4-ND not only with rituximab but also with the other anti-B cell agents that target CD19/20, especially those like obexelimab and obinutuzumab, that concurrently activate the inhibitory FcγRIIb receptors which have low binding affinity to IgG4, exerting a more prolonged anti-B cell action affecting also antigen presentation and cytotoxic T cells. Antibody therapies targeting FcRn, testing those anti-FcRn inhibitors that effectively catabolize the IgG4 antibody subclass, may be especially promising.Pancreatic ductal metaplasia (PDM) is the transformation of potentially various types of cells in the pancreas into ductal or ductal-like cells, which eventually replace the existing differentiated somatic cell type(s). PDM is usually triggered by and manifests its ability to adapt to environmental stimuli and genetic insults. The development of PDM to atypical hyperplasia or dysplasia is an important risk factor for pancreatic intraepithelial neoplasia (PanIN) and pancreatic ductal adenocarcinoma (PDA). Recent studies using genetically engineered mouse models, cell lineage tracing, single-cell sequencing and others have unraveled novel cellular and molecular insights in PDM formation and evolution. Those novel findings help better understand the cellular origins and functional significance of PDM and its regulation at cellular and molecular levels. Given that PDM represents the earliest pathological changes in PDA initiation and development, translational studies are beginning to define PDM-associated cell and molecular biomarkers that can be used to screen and detect early PDA and to enable its effective intervention, thereby truly and significantly reducing the dreadful mortality rate of PDA. This review will describe recent advances in the understanding of PDM biology with a focus on its underlying cellular and molecular mechanisms, and in biomarker discovery with clinical implications for the management of pancreatic regeneration and tumorigenesis.Bacteriocins are ribosomally synthesized antimicrobial peptides that have long been used in the food industry. Being a highly diverse and heterogeneous group of molecules the classification is ever-evolving. Their production is widespread among bacteria; nevertheless, their biosynthesis and mode of action remain fairly similar. With the advances in drug resistance mechanisms, it is important to look for alternatives to conventional approaches. Therefore, the advantages of bacteriocin over antibiotics need to be considered to provide a scientific basis for their use. Particularly in the last decade, intensive studies look at their potential as next-generation therapeutics against drug-resistant bacteria. Bacteriocins from lactic acid bacteria are being tested as controlling agents for bacterial and viral infections; they can inhibit biofilm synthesis and have potential as contraceptives. Bioengineered peptides have shown enhanced activity and thereby indicate the lack of knowledge we possess regarding these bacteriocins. In this review, we have listed various Gram-positive LAB bacteriocins with their synthesis and mechanism of action. Recent developments in screening and purification technologies have been analyzed with an emphasis on their potential clinical applications. Although extensive research has been done to identify multifunctional bacteriocins, it is important to focus on the mechanism of action of these peptides to get them from bench to bedside.
Atherosclerosis is considered a chronic inflammatory condition. The immune system is a key mediator in the initiation and progression of atherosclerosis. In a previous study, we found that the immune system was activated in diabetes and that total white blood cell (WBC) counts were elevated significantly in diabetic patients. To investigate whether WBC subtype counts in newly diagnosed diabetes are risk factors for future cardiovascular disease (CVD) events, we conducted a prospective population-based cohort study.
A total of 1498 newly diagnosed diabetic patients aged 40 to 70 years old were followed up for three years. Participants with previous CVD history and abnormal WBC counts were excluded. CVD events were recorded during follow-up.
We found that the baseline lymphocyte counts were independently associated with cardiovascular events during follow-up, with the Exp (β) (95% CI) at 1.749 (1.084-2.821). Lymphocyte count ≥2.9 (10
/L) was significantly associated with the development of CVD (HR, 2.29; 95% CI, 1.12-4.67). The corresponding incidence of CVD per 1000 person-year for the lymphocyte count ≤2.8 (10
/L) and lymphocyte count ≥2.9 (10
/L) groups were 11.26 and 26.38, respectively.
We concluded that even in a normal range, higher lymphocyte levels may result in a significantly higher CVD risk among diabetic patients. Lymphocyte count ≥2.9 (10
/L) is an independent predictor of developing future CVD events.
We concluded that even in a normal range, higher lymphocyte levels may result in a significantly higher CVD risk among diabetic patients. Dorsomorphin AMPK inhibitor Lymphocyte count ≥2.9 (109/L) is an independent predictor of developing future CVD events.
Homepage: https://www.selleckchem.com/products/dorsomorphin-2hcl.html
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