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Esophagectomy is a key component in the curative treatment of esophageal cancer. Little is understood about the impact of smoking status on perioperative morbidity and mortality and the long-term outcome of patients following esophagectomy.
This study aimed to evaluate morbidity and mortality according to smoking status in patients undergoing esophagectomy for esophageal cancer.
Consecutive patients undergoing two-stage transthoracic esophagectomy (TTE) for esophageal cancers (adenocarcinoma or squamous cell carcinoma) between January 1997 and December 2016 at the Northern Oesophagogastric Unit were included from a prospectively maintained database. The main explanatory variable was smoking status, defined as current smoker, ex-smoker, and non-smoker. The primary outcome was overall survival (OS), while secondary outcomes included perioperative complications (overall, anastomotic leaks, and pulmonary complications) and survival (cancer-specific survival [CSS], recurrence-free survival [RFS]).
During te, implementation of perioperative pathways to optimize patients may help reduce the risk of complications.
Although smoking is associated with higher rates of short-term perioperative morbidity, it does not affect long-term OS, CSS, and RFS following esophagectomy for esophageal cancer. Therefore, implementation of perioperative pathways to optimize patients may help reduce the risk of complications.
The prevalence of non-medullary thyroid cancer (NMTC) is increasing worldwide. Although most NMTCs grow slowly, conventional therapies are less effective in advanced tumors. Approximately 5-15% of NMTCs have a significant germline genetic component. Awareness of the NMTC susceptibility genes may lead to earlier diagnosis and better cancer prevention.
The aim of this study was to provide the current panorama of susceptibility genes associated with NMTC and the spectrum of diseases associated with these genes.
Twenty-five candidate genes were identified by searching for relevant studies in PubMed. ARV-110 in vivo Each candidate gene was carefully checked using six authoritative genetic resources ClinGen, National Comprehensive Cancer Network guidelines, Online Mendelian Inheritance in Man, Genetics Home Reference, GeneCards, and Gene-NCBI, and a validated natural language processing (NLP)-based literature review protocol was used to further assess gene-disease associations where there was ambiguity.
Among 25 candidate hyroid cancer risk.
To evaluate the effect of the pulse width of electroacupuncture (EA) in the treatment of denervation-induced skeletal muscle atrophy in rats and examine the role of insulin-like growth factor 1 (IGF-1)/phosphatidylinositol 3-kinase (PI3K)/Akt signaling pathway during EA.
Sciatic nerve functional index (SFI), muscle wet weight and the cross-sectional area (CSA) of the gastrocnemius muscle were analyzed after treatment in model rats with EA of various pulse widths (0.5, 50, 100 and 200 ms). The apoptosis index (AI) and paired box (PAX)3 and PAX7 protein expression were also determined. Further, the mRNA and protein expressions of components of IGF-1/PI3K/Akt pathway and their downstream targets were determined, along with the inhibiting effect of the pathway with a PI3-specific inhibitor.
EA with a pulse width of 200 ms was found to have the best effect with regard to increasing SFI, CSA and muscle weight, decreasing AI, and increasing the expression of PAX3 and PAX7. The IGF-1/PI3K/Akt pathway was found to be activated by denervation, although the downstream forkhead box O (FoxO) pathway was not suppressed by its activation. The PI3K/Akt pathway and its downstream molecule mammalian target of rapamycin (mTOR) were up-regulated further by EA to promote muscle protein synthesis. Meanwhile, the expressions of downstream FoxO and F-box protein 32 (ATROGIN-1) were down-regulated to reduce protein degradation.
EA with 200-ms pulse width was found to have a more significant effect than 0.5-ms EA. The positive effects of EA disappeared after inhibition of the PI3K/Akt pathway.
EA with 200-ms pulse width was found to have a more significant effect than 0.5-ms EA. The positive effects of EA disappeared after inhibition of the PI3K/Akt pathway.
Endoscopic necrosectomy through lumen apposition metal stents (LAMS) is increasingly being used for complicated walled-off pancreatic necrosis (WOPN), but the need for necrosectomy after stent placement is not well understood. The aim of this study was to evaluate clinical, endoscopic, and radiologic predictors of the need for necrosectomy in patients treated with LAMS.
We retrospectively reviewed patients with WOPN treated with LAMS from 2014 to 2017. Necrosectomy was performed only in patients who had recurrent fever or hemodynamic instability during follow-up. Univariate and multivariate analyses were performed.
We included 15 patients, 67% men and median age was 75 (54-76) years. Two (13%) presented adverse events, one immediate and one delayed. In the first case, the stent migrated to the gastric cavity during deployment but was relocated in the same procedure. In the second case, the patient presented bleeding on day 36 due to a pseudoaneurysm that was successfully treated with embolization. Clinical success was 100%, but five patients (33%) required endoscopic necrosectomy (4 mechanical and 1 irrigation) and one (7%) required surgical necrosectomy of distant collections. The percentage of necrosis in the collection detected in a previous CT scan (45 [35-66]% vs 10 [5-17]%) was the only factor to predict the need for necrosectomy in the multivariate analysis (OR 1.18 [1.01-1.39]).
LAMS is efficient to treat WOPN but more than a third will need necrosectomy. The percentage of necrosis in the collection detected in the CT scan seems to predict the need for necrosectomy.
LAMS is efficient to treat WOPN but more than a third will need necrosectomy. The percentage of necrosis in the collection detected in the CT scan seems to predict the need for necrosectomy.
Video-Assisted Thoracoscopic Surgery (VATS) lobectomy is an advanced procedure and to maximize patient safety it is important to ensure the competency of thoracic surgeons before performing the procedure. The objective of this study was to investigate validity evidence for a virtual reality simulator-based test including multiple lobes of the lungs.
VATS experts from the department of Cardiothoracic Surgery at Rigshospitalet, Copenhagen, Denmark, worked with Surgical Science (Gothenburg, Sweden) to develop VATS lobectomy modules for the LapSim
virtual reality simulator covering all five lobes of the lungs. Participants with varying experience in VATS were recruited and classified as either novice, intermediate, or experienced surgeons. Each participant performed VATS lobectomy on the simulator for three different randomly chosen lobes. Nine predefined simulator metrics were automatically recorded on the simulator.
Twenty-two novice, ten intermediate, and nine experienced surgeons performed the test resulting in a total of 123 lobectomies.