Search results for: Jianhua Wan

Items from 1 to 20 out of 23 results

article

Comparison of percutaneous vs endoscopic drainage in the management of pancreatic fluid collections: A prospective cohort study

Jianhua Wan, Dangyan Wu, Wenhua He, Yin Zhu, more

Journal of Gastroenterology and Hepatology > 35 > 12 > 2170 - 2175

Background and Aim Currently, endoscopic drainage (ED) and percutaneous drainage (PD) are both widely used effective interventions in the management of patients with symptomatic pancreatic fluid collections (PFCs). This study aimed to compare the clinical effectiveness and safety of ED to those of PD in the treatment of PFCs. Methods A prospective cohort study of PFC patients who underwent ED or...

article

Opportunities and challenges of using five‐membered ring compounds as promising antitubercular agents

Mi Yan, Linlin Xu, Yinhu Wang, Jianhua Wan, more

Drug Development Research > 81 > 4 > 402 - 418

Tuberculosis (TB), a chronic infectious disease, is one of the greatest risks to human beings and 10 million people were diagnosed with TB and 1.6 million died from this disease in 2017. In addition, with the emergence of multidrug‐resistant tuberculosis (MDR‐TB) and extensively drug‐resistant tuberculosis (XDR‐TB), the TB situation has become even worse, which has aggravated the mortality and spread...

article

HIV prevalence and incidence estimates among blood donors in five regions in China

Ling Shi, Yu Liu, Jingxing Wang, Peibin Zeng, more

Transfusion > 60 > 1 > 117 - 125

BACKGROUND Previous data, although scant, indicated that the incidence of HIV in China has increased over the past decade. There is a growing concern about the impact of the HIV epidemic on blood safety. METHODS AND MATERIALS We used donation data from five geographically‐disperse blood centers in 2013‐2016 participating in the Recipient Epidemiology and Donor Evaluation Study‐III (REDS–III) China...

article

Association of Serum Levels of Silent Information Regulator 1 with Persistent Organ Failure in Acute Pancreatitis

Jie Chen, Jianhua Wan, Wenqing Shu, Xiaoyu Yang, more

Digestive Diseases and Sciences > 2019 > 64 > 11 > 3173-3181

Background/Aims Early assessment is a key factor for adequate and comprehensive treatment of acute pancreatitis (AP). Silent information regulator 1 (SIRT1) plays an important role in inflammation. The aim was to explore the relationship between serum SIRT1 and persistent organ failure (POF) in patients with AP. Methods Thirty-seven healthy controls (HCs) and 113 patients with AP were recruited...

article

Serum D-dimer levels at admission for prediction of outcomes in acute pancreatitis

Jianhua Wan, Xiaoyu Yang, Wenhua He, Yin Zhu, more

BMC Gastroenterology > 2019 > 19 > 1 > 1-7

Background Systemic alterations in coagulation are associated with complications of acute pancreatitis (AP). D-dimer, a fibrin degradation product, was recently described as a marker of pancreatitis outcome. Early prediction is essential for reducing mortality in AP. The present study aims to assess the relationship between elevated serum D-dimer levels and the severity of AP. Methods We performed...

article

Sea-Level Change Over the China Sea and Its Vicinity Derived from 25-Year T/P Series Altimeter Data

Jianhua Wan, Qinting Sun, Shanwei Liu, Yinlong Li

Journal of the Indian Society of Remote Sensing > 2018 > 46 > 12 > 1939-1947

The characteristics of sea-level change in the China Sea and its vicinity are studied by combining TOPEX/Poseidon (T/P), Jason-1, Jason-2, and Jason-3 altimeter data. First, the sea-surface height is computed by using monthly data via collinear adjustment, regional selection, and crossover adjustment. The sea-level anomaly (SLA) from October 1992 to July 2017 is calculated based on the difference...

article

Emerging role of lncRNAs in the normal and diseased intestinal barrier

Jie Chen, Jianhua Wan, Jianfang Ye, Liang Xia, more

Inflammation Research > 2018 > 67 > 9 > 757-764

Objective A significant effort has been made to understand the intestinal barrier, but the effective means to prevent, reduce, and restore intestinal mucosal damage remains unclear. Recently, a few of studies have explained the mechanism of the intestinal barrier in long noncoding RNAs (lncRNAs). This review aims to summarize recent views on the function of lncRNAs in the intestinal barrier and discuss...

article

Comparison of EUS with MRCP in idiopathic acute pancreatitis: a systematic review and meta-analysis

Jianhua Wan, Yaobin Ouyang, Chen Yu, Xiaoyu Yang, more

Gastrointestinal Endoscopy > 2018 > 87 > 5 > 1180-1188.e9

Idiopathic acute pancreatitis (IAP) poses a diagnostic challenge for gastroenterologists, because confirmation of the disease etiology has important implications for the selection of the best possible treatment and the prevention of possible recurrence or the development of chronic pancreatitis (CP). ERCP, EUS, and MRCP typically are used to diagnose IAP when conventional radiologic methods fail....

article

Regulation of Autophagy Affects the Prognosis of Mice with Severe Acute Pancreatitis

Jianhua Wan, Jie Chen, Dangyan Wu, Xiaoyu Yang, more

Digestive Diseases and Sciences > 2018 > 63 > 10 > 2639-2650

Background Acute pancreatitis (AP) is a common inflammatory disease that may develop to severe AP (SAP), resulting in life-threatening complications. Impaired autophagic flux is a characteristic of early AP, and its accumulation could activate oxidative stress and nuclear factor κB (NF-κB) pathways, which aggravate the disease process. Aim To explore the therapeutic effects of regulating autophagy...

article

Stratified analysis and clinical significance of elevated serum triglyceride levels in early acute pancreatitis: a retrospective study

Jianhua Wan, Wenhua He, Yin Zhu, Yong Zhu, more

Lipids in Health and Disease > 2017 > 16 > 1 > 1-7

Background Hypertriglyceridemia is one of the three most common causes of AP, which is associated with the AP prognosis that has not been clearly defined. Methods In this retrospective study, 1539 AP patients, who had serum triglyceride (TG) levels measured within the first 72 h, were assessed. The study groups consisted of patients with normal, mild, moderate, and severe/very severe HTG levels...

article

How to select patients and timing for rectal indomethacin to prevent post-ERCP pancreatitis: a systematic review and meta-analysis

Jianhua Wan, Yuping Ren, Zhenhua Zhu, Liang Xia, more

BMC Gastroenterology > 2017 > 17 > 1 > 1-9

Background Acute pancreatitis is a severe complication of endoscopic retrograde cholangiopancreatography (ERCP). Previous meta-analyses have shown that indomethacin effectively prevents this complication; however, the data are limited. We performed a systematic review and meta-analysis to clarify the applications for rectal indomethacin. Methods A systematic search was performed in June 2016. Human...

article

Abundance quantification by independent component analysis of hyperspectral imagery for oil spill coverage calculation

Zhongzhi Han, Jianhua Wan, Jie Zhang, Hande Zhang

Chinese Journal of Oceanology and Limnology > 2017 > 35 > 4 > 978-986

The estimation of oil spill coverage is an important part of monitoring of oil spills at sea. The spatial resolution of images collected by airborne hyper-spectral remote sensing limits both the detection of oil spills and the accuracy of estimates of their size. We consider at-sea oil spills with zonal distribution in this paper and improve the traditional independent component analysis algorithm...

article

In-situ gamma-ray survey of rare-earth tailings dams – A case study in Baotou and Bayan Obo Districts, China

Baochuan Li, Nanping Wang, Jianhua Wan, Shengqing Xiong, more

Journal of Environmental Radioactivity > 2016 > 151 > P1 > 304-310

An in-situ gamma-ray spectrometer survey with a scintillation detector of NaI(Tl) (Φ75 mm × 75 mm) was carried out in the Baotou and Bayan Obo Districts in order to estimate the levels of natural radionuclides near rare-earth (RE) tailings dams. In the RE tailings dam of Baotou, the mean concentrations of ²³⁸U and ²³²Th were 3.0 ± 1.0 mg/kg (range: 1.9–4.6 mg/kg) and 321 ± 31 mg/kg (range: 294–355 mg/kg),...

chapter

RON predicted of gasoline by NIR based on ICA and SVM

Jianhua Wan, Zhongzhi Han, Kangwei Liu

2015 12th International Computer Conference on Wavelet Active Media Technology and Information Processing (ICCWAMTIP) > 498 - 501

2015 12th International Computer Conference on Wavelet Active Media Technology and Information Processing (ICCWAMTIP)

Petroleum and its products are complex mixture, and how to precise analysis its components is an important part of the oil industry. In this paper, we proposed a components forecasting methods for gasoline octane value prediction based on independent component analysis (ICA) and support vector machine (SVM). By evaluating the accuracy of the models with two feature optimization methods(principal component...

article

Satellite retrieval of hurricane wind speeds using the AMSR2 microwave radiometer

Panpan Yao, Jianhua Wan, Jin Wang, Jie Zhang

Chinese Journal of Oceanology and Limnology > 2015 > 33 > 5 > 1104-1114

The AMSR2 microwave radiometer is the main payload of the GCOM-W1 satellite, launched by the Japan Aerospace Exploration Agency in 2012. Based on the pre-launch information extraction algorithm, the AMSR2 enables remote monitoring of geophysical parameters such as sea surface temperature, wind speed, water vapor, and liquid cloud water content. However, rain alters the properties of atmospheric scattering...

article

A study of occurrence characteristics of plasma bubbles over Hong Kong area

Shengyue Ji, Wu Chen, Zhenjie Wang, Ying Xu, more

Advances in Space Research > 2013 > 52 > 11 > 1949-1958

Plasma bubble is one of the important weather events of the ionosphere. In past research, many studies on its occurrence characteristics have been done based on various observations, such as ionosondes, topside sounders, radio scintillations and in situ measurements by satellites. In recent years, GPS has become an important tool for the studies in this aspect. In this research, a study is made on...

chapter

Remote sensing monitoring of Gulf of Mexico oil spill using ENVISAT ASAR images

Jianhua Wan, Yang Cheng

2013 21st International Conference on Geoinformatics > 1 - 5

2013 21st International Conference on Geoinformatics

Marine oil spill causes ecological pollutions that result in serious impacts to the quality of marine eco-environment. Effective oil spill detection and monitoring are the basis for the rapid response and play an important role. Due to its all-weather, day and night detection, wide coverage, and real-time monitoring capability, Synthetic Aperture Radar (SAR) is the most applicable sensors for marine...

chapter

A curvature-based statistical method for generating DTM from LiDAR Point Cloud

Jianhua Wan, Ronggang Huang, Zhe Zeng, Shujuan Sun

2012 20th International Conference on Geoinformatics > 1 - 4

2012 20th International Conference on Geoinformatics

The result of Skewness Balancing based on elevation(SBE) contains non-ground points, which involve low vegetation, vehicle, and side of buildings. According to this problem, this paper proposes an algorithm to improve the precision of automatic filter and reduce the commission error. The algorithm is Curvature-based Statistical Method (CSM), which is based on the Skewness Balancing, and introduces...

article

Sonic Hedgehog pathway is essential for neuroblastoma cell proliferation and tumor growth

Lunshan Xu, Xiangwei Wang, Jianhua Wan, Tai Li, more

Molecular and Cellular Biochemistry > 2012 > 364 > 1-2 > 235-241

Accumulated evidence suggests a major role for the activation of the Sonic Hedgehog (SHH) signaling pathway in the development of neural crest stem cells that give rise to the sympathetic nervous system. We therefore investigated the involvement of SHH signaling in the pathogenesis of neuroblastoma (NB), a common childhood malignant tumor of the sympathetic nervous system. Inhibition of SHH signaling...

chapter

The application of AHP in oil and gas pipeline route selection

Jianhua Wan, Guanghui Qi, Zhe Zeng, Shujuan Sun

2011 19th International Conference on Geoinformatics > 1 - 4

2011 19th International Conference on Geoinformatics

The process of oil and gas pipeline route selection involves many complex decision-making problems which include quantitative factors as well as a large number of qualitative factors that cannot be quantified. These factors affect the oil and gas pipeline alignments. How to determine the importance of these factors is a key question worthy of considering. The Analytic Hierarchy Process (AHP) is introduced...

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INFONA - science communication portal

Search results for: Jianhua Wan

Comparison of percutaneous vs endoscopic drainage in the management of pancreatic fluid collections: A prospective cohort study

Opportunities and challenges of using five‐membered ring compounds as promising antitubercular agents

HIV prevalence and incidence estimates among blood donors in five regions in China

Association of Serum Levels of Silent Information Regulator 1 with Persistent Organ Failure in Acute Pancreatitis

Serum D-dimer levels at admission for prediction of outcomes in acute pancreatitis

Sea-Level Change Over the China Sea and Its Vicinity Derived from 25-Year T/P Series Altimeter Data

Emerging role of lncRNAs in the normal and diseased intestinal barrier

Comparison of EUS with MRCP in idiopathic acute pancreatitis: a systematic review and meta-analysis

Regulation of Autophagy Affects the Prognosis of Mice with Severe Acute Pancreatitis

Stratified analysis and clinical significance of elevated serum triglyceride levels in early acute pancreatitis: a retrospective study

How to select patients and timing for rectal indomethacin to prevent post-ERCP pancreatitis: a systematic review and meta-analysis

Abundance quantification by independent component analysis of hyperspectral imagery for oil spill coverage calculation

In-situ gamma-ray survey of rare-earth tailings dams – A case study in Baotou and Bayan Obo Districts, China

RON predicted of gasoline by NIR based on ICA and SVM

Satellite retrieval of hurricane wind speeds using the AMSR2 microwave radiometer

A study of occurrence characteristics of plasma bubbles over Hong Kong area

Remote sensing monitoring of Gulf of Mexico oil spill using ENVISAT ASAR images

A curvature-based statistical method for generating DTM from LiDAR Point Cloud

Sonic Hedgehog pathway is essential for neuroblastoma cell proliferation and tumor growth

The application of AHP in oil and gas pipeline route selection

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