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Gastric cancer is one of the most common malignant diseases in the world, which has a high incidence in our country and threatens people's health seriously. Laparoscopic radical gastrectomy is one of the main methods of surgical treatment for gastric cancer, whose clinical application has a history of near 30 years. With the in-depth understanding of minimally invasive surgery and the improvement of patients' cosmetic demand, single-incision laparoscopic surgery has emerged. Since the first report of single-incision laparoscopic radical gastrectomy in 2010, its safety has been preliminarily confirmed. While this result still needs to be further verified by more prospective randomized controlled studies. Compared with traditional laparoscopic radical gastrectomy, single-incision laparoscopic radical gastrectomy has the advantages of less trauma, less postoperative pain and faster postoperative recovery. So it has been favored by surgeons. However, the steeper learning curve and difficult operation of single-incision laparoscopic radical gastrectomy limit its promotion in clinical applications. At present, there are still controversies and confusions in the single-incision laparoscopic radical gastrectomy. This article elucidates the advances and existing problems of single-incision laparoscopic radical gastrectomy.After 30 years of development in China, laparoscopic gastrointestinal surgery has been widely accepted and popularized. In recent years, the application of a series of novel technologies, such as 3D laparoscopic system, 4k high-definition laparoscopy, near-infrared fluorescence imaging technique and telesurgery with 5G wireless system has injected new vitality to the laparoscopic gastrointestinal surgery in new era. It also well contributes to the further promotion and standardization of minimally invasive gastrointestinal surgery. This article reviews the application and development of novel techniques in minimally invasive gastrointestinal surgery. It is concluded that great progress has been made in clinical application of minimally invasive gastrointestinal surgery in China. In terms of surgical technology and equipment development, the period of mechanical imitation has passed and a new era focusing on innovation and originality is coming in China. The authors believe that Chinese laparoscopic gastrointestinal surgeons should remember their original intention, insist on the patient-centered concept in diagnosis and treatment, maintain innovative thinking and attitude and thus, push the development of minimally invasive gastrointestinal surgery to a new height in China.Surgery is the cornerstone of gastric cancer treatment. However, the traditional open surgery, which has been followed for more than 100 years, has restricted the development of gastric cancer surgery due to its "major trauma" defects. Therefore, how to scientifically develop laparoscopic and minimally invasive surgery (MIS) has become the main research orientation and focus worldwide for the development of gastric cancer surgery in recent 30 years, especially in China, a region of high incidence of gastric cancer. In the past 30 years, our Chinese colleagues in gastric cancer surgery have carried out systematic researches on key issues, and offered new theories of minimally invasive anatomy, new techniques for MIS, and new evidence of MIS for advanced gastric cancer. The system of the key surgical technology innovation for gastric cancer MIS was established, promoting a crucial move in the development of gastric cancer surgery. This article aims to commemorate the 30-year development of laparoscopic surgery in China and pay tribute to the strength produced by all the Chinese minimally invasive surgeons.Laparoscopic gastrointestinal surgery has experienced 30 years of development in China, and has now entered a high plateau stage at the technical level. Laparoscopic surgery, once an emerging technology, is gradually becoming a "traditional surgery". Meanwhile, laparoscopic gastrointestinal surgery is gradually moving towards a new situation of multi-disciplinary and multi-technical integration. High-quality clinical studies are constantly being reported, and new tools and techniques are emerging. In the next era, the development of laparoscopic gastrointestinal surgery will focus more on international research, digital surgery, high-tech operating rooms, etc. An urging requirement is to understand and face the current intensified involution and other practical problems, and to create another glorious innovation for Chinese laparoscopic gastrointestinal surgery in the next 30 years.The robotic surgical system applied to gastrectomy is regarded as a safe technique which has similar short- and long-term outcomes compared to laparoscopic and open gastrectomy. With the iteration of anastomotic staplers and improvement of anastomotic skills, coupled with the flexible robot's rotatable device making the manual intracorporal anastomosis easier, gastrointestinal reconstruction after robotic gastrectomy has also started to move toward the era of complete intracorporal anastomosis. In order to further standardize the indications and operating points, the Upper Gastrointestinal Surgery Group of Surgical Branch of Chinese Medical Doctor Association, the Gastrointestinal Surgery Group of Surgery Branch of Chinese Medical Association, the Digestive Tract Cancer Committee of Chinese Research Hospital Association, and Cancer Gastroenterology Society of Chinese Anticancer Association jointly organized domestic experts in general surgery field to formulate the Chinese expert consensus on intracorporal die risk of abdominal exposure and accelerate postoperative recovery, etc. Previous studies have demonstrated promising results. We believe that the publication of the consensus will guide surgeons to break through the technical barriers of intracorporeal digestive reconstruction after robotic gastrectomy, which will be more and more widespread with the gradual maturity of domestic robotic systems by bringing less medical costs.
Hypoxemia in chronic obstructive pulmonary disease (COPD) leads to reduced ability to exercise, decreased quality of life, and, eventually, increased mortality. Home oxygen therapy in patients with severe COPD reduces distress symptoms and mortality rates. However, there have been few studies on physicians' prescription behavior toward home oxygen therapy. Therefore, we investigated the respiratory specialists' perspective on home oxygen therapy.
In this cross-sectional, study, a questionnaire was completed by 30 pulmonary specialists who worked in tertiary hospitals and prescribed home oxygen therapy. The questionnaire consisted of 28 items, including 15 items on oxygen prescription for outpatients, four for inpatients, and nine on service improvement.
All physicians were prescribing less than 2 L/min of oxygen for either 24 (n = 10, 33.3%) or 15 hours (n = 9, 30.3%). All (n = 30) used pulse oximetry, 26 (86.7%) analyzed arterial blood gas. Thirteen physicians had imposed restrictions and recommended oxygen use only during exercise or sleep. Sixteen (53.3%) physicians were educating their patients about home oxygen therapy. Furthermore, physicians prescribed home oxygen to patients that did not fit the typical criteria for longterm oxygen therapy, with 30 prescribing it for acute relief and 17 for patients with borderline hypoxemia.
This study identified the prescription pattern of home oxygen therapy in Korea. Respiratory physicians prescribe home oxygen therapy to hypoxemic COPD patients for at least 15 hours/day, and at a rate of less than 2 L/min. More research is needed to provide evidence for establishing policies on oxygen therapy in COPD patients.
This study identified the prescription pattern of home oxygen therapy in Korea. Respiratory physicians prescribe home oxygen therapy to hypoxemic COPD patients for at least 15 hours/day, and at a rate of less than 2 L/min. More research is needed to provide evidence for establishing policies on oxygen therapy in COPD patients.In the last decades big data has facilitating and improving our daily duties in the medical research and clinical fields; the strategy to get to this point is understanding how to organize and analyze the data in order to accomplish the final goal that is improving healthcare system, in terms of cost and benefits, quality of life and outcome patient. The main objective of this review is to illustrate the state-of-art of big data in healthcare, its features and architecture. We also would like to demonstrate the different application and principal mechanisms of big data in the latest technologies known as blockchain and artificial intelligence, recognizing their benefits and limitations. Perhaps, medical education and digital anatomy are unexplored fields that might be profitable to investigate as we are proposing. The healthcare system can be revolutionized using these different technologies. Thus, we are explaining the basis of these systems focused to the medical arena in order to encourage medical doctors, nurses, biotechnologies and other healthcare professions to be involved and create a more efficient and efficacy system.
The anti-inflammatory activity of
extracts (BSE) is well known. BSE comprises boswellic acids (BA) such as 3-
-acetyl-11-keto-
-boswellic acid (AKBA) and 11-
-boswellic acid (KBA) as major constituents. One of the limitations of BAs is their poor oral bioavailability. The aim of the study was to prepare solid lipid particles of
extract (SLBSP) to enhance the bioavailability of BAs.
The pharmacokinetic profile of BAs was studied in 10 healthy human volunteers following a single oral dose of 333mg of SLBSP. Pharmacokinetic blood samples were collected at 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, and 12h post drug administration. https://www.selleckchem.com/products/--mk-801-maleate.html Plasma KBA and AKBA levels were measured using a validated LC-MS/MS method. Pharmacokinetics parameters were estimated using Pheonix WinNonlin (Build 6.4.0.768) software.
Ten healthy human volunteers were included and peak plasma concentration was achieved in 1.5 and 2.3h for AKBA and KBA respectively. Maximum plasma concentration (
) was 8.04±1.67ng/mL for AKBA and 23.83±4.41ng/mL for KBA whereas the corresponding area under the concentration-time curve (AUC) was 136.7±56.77ng/mL*h and 165.7±24.5ng/mL*h respectively. The elimination half-life (
) of AKBA and KBA was 6.8±3.0h and 2.45±0.3h respectively.
The SLBSP formulation of BSE showed enhanced oral bioavailability of BAs compared with historically reported data of unformulated BSE.
The SLBSP formulation of BSE showed enhanced oral bioavailability of BAs compared with historically reported data of unformulated BSE.
In a previous investigation we searched for the occurrence of palmitic acid ester compounds of delta9-tetrahydrocannabinol (THC) and its primary metabolite 11-hydroxy-delta9-THC (11-OH-THC) in human body fluids and tissues (THC palmitic acid monoester [THC-Pal] and 11-OH-THC palmitic acid diester [11-OH-THC-DiPal]). As those esters could not be detected in various human body fluids (e.g. blood) or tissues (e.g. adipose tissue) we extended the investigation analyzing adipose tissue samples of mice previously given synthetic THC or a cannabis extract.
In total, 48 adipose tissue samples previously tested positive for THC by means of a liquid chromatographic triple quadrupole mass spectrometric (LC-QQQ-MS) method were analyzed for the presence of THC-Pal and 11-OH-THC-DiPal by means of LC-QQQ-MS.
THC-Pal and 11-OH-THC-DiPal were not detected among the adipose tissue samples analyzed despite the presence of high THC concentrations within the adipose tissue. THC concentrations in adipose tissue were in a range of approximately 7-2,595ng/g (median 468ng/g, average 704ng/g).
