|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Microbiota and the gut-liver axis:Bacterial translocation,inflammation and infection in cirrhosis显示文摘Liver disease is associated with qualitative and quantitative changes in the intestinal microbiota.In cirrhotic patients the alteration in gut microbiota is characterized by an overgrowth of potentially pathogenic bacteria(i.e.,gram negative species)and a decrease in autochthonous familiae.Here we summarize the available literature on the risk of gut dysbiosis in liver cirrhosis and its clinical consequences.We therefore described the features of the complex interaction between gut microbiota and cirrhotic host,the so called'gut-liver axis',with a particular attention to the acquired risk of bacterial translocation,systemic inflammation and the relationship with systemic infections in the cirrhotic patient.Such knowledge might help to develop novel and innovative strategies for the prevention and therapy of gut dysbiosis and its complication in liver cirrhosis. | Valerio Giannelli Vincenza Di Gregorio Valerio Iebba Michela Giusto Serena Schippa Manuela Merli Ulrich Thalheimer | 2014 | World Journal of Gastroenterology2014，20，45： | 43 |
| 2 | Reactivation of hepatitis B virus infection after cytotoxic chemotherapy or immunosuppressive therapy显示文摘Reactivation of hepatitis B is defined as the recurrence or an abrupt rise in hepatitis B virus(HBV) replication,often accompanied by an increase in serum transaminase levels,and both events occurring in a patient with a previous inactive hepatitis B infection.This reactivation can occur in situations in which the ratio of HBV replication and immune response is altered.It can happen during the treatment of hemato-oncological malignancies with chemotherapy and in immunosuppression of autoimmune diseases.Clinical manifestations of hepatitis B reactivation are variable and can range from asymptomatic to acute hepatitis,which are sometimes serious and result in acute liver failure with risk of death,and usually occur in the periods between cycles or at the end of chemotherapy.Immunosuppressive drugs such as corticosteroids or azathioprine can induce HBV reactivation in patients carrying hepatitis B virus surface antigen(HBsAg) or anti-HBc,but much less frequently than chemotherapy treatments.The tumor necrosis factorαinhibitors infliximab,etanercept and adalimumab may cause reactivation of hepatitis B,and the overall frequency with infliximab may be similar(50%-66%) to that caused by chemotherapy.Baseline HBV serology is recommended for all patients receiving chemotherapy and immunosuppressive drugs,and HBsAg positive patients should receive anti-HBV prophylaxis to decrease virus reactivation and death rates. | María Luisa Manzano-Alonso Gregorio Castellano-Tortajada | 2011 | World Journal of Gastroenterology2011，17，12： | 31 |
| 3 | Low-volume plus ascorbic acid vs high-volume plus simethicone bowel preparation before colonoscopy显示文摘AIM:To investigate the effectiveness of low-volumeplus ascorbic acid [polyethylene glycol plus ascorbicacid(PEG + Asc) ] and high-volume plus simethicone[polyethylene glycol plus simethicone(PEG + Sim) ]bowel preparations.METHODS:A total of one hundred and forty-fourout patients(76 males) ,aged from 20 to 84 years(me-dian age 59.5 years) ,who attended our Department,were divided into two groups,age and sex matched,and underwent colonoscopy. Two questionnaires,onefor patients reporting acceptability and the other forendoscopists evaluating bowel cleansing effectivenes saccording to validated scales,were completed. Indications,timing of examination and endoscopical findings were recorded. Biopsy forceps were used as a measuring tool in order to determine polyp endoscopic sizeestimation. Difficulty in completing the preparation wasrated in a 5-point Likert scale(1 = easy to 5 = un-able) . Adverse experiences(fullness,cramps,nausea,vomiting,ab dominal pain,headache and insomnia) ,number of evacuations and types of activities performed during preparation(walking or resting in bed) were also investigated.RESULTS:Seventy-two patients were selected for eachgroup. The two groups were age and sex matched aswell as being comparable in terms of medical historyand drug therapies taken. Fourteen patients droppedout from the trial because they did not complete the preparation procedure. Ratings of global bowel cleansing examinations were considered to be adequate in91% of PEG + Asc and 88% of PEG + Sim patients.Residual Stool Score indicated similar levels of amountand consistency of residual stool;there was a significant difference in the percentage of bowel wall visuali-zation in favour of PEG + Sim patients. In the PEG +Sim group,12 adenomas ≤ 10 mm diameter(5/left co-lon + 7/right colon) vs 9(8/left colon + 1/right colon) in the PEG + Asc group were diagnosed. Visualization of small lesions seems to be one of the primary advantages of the PEG + Sim preparation.CONCLUSION:PEG + Asc is a good alternative solution as a bowel preparation but more improvements arenecessary in order to achieve the target of a perfect preparation. | Stefano Pontone Rita Angelini Monica Standoli Gregorio Patrizi Franco Culasso Paolo Pontone Adriano Redler | 2011 | World Journal of Gastroenterology2011，17，42： | 22 |
| 4 | Laparoscopic resection vs laparoscopic radiofrequency ablation for the treatment of small hepatocellular carcinomas: A single-center analysis显示文摘AIM To compare survival and recurrence after laparoscopic liver resection(LLR) and laparoscopic radiofrequency ablation(LRFA) for the treatment of small hepatocellular carcinoma(HCC).METHODS Between June 1, 2005 and November 30, 2010, 46 patients(62.26 ± 8.55 years old; female/male: 12/34) treated for small HCC were enrolled following strict criteria. Patients with better liver function and larger tumors were referred for LLR(n = 24), while those with poorer liver function and multiple tumors were referred for LRFA(n = 22), and they were then followed for similar durations(44.74 ± 21.3 mo for LLR vs 40.27 ± 30.8 mo for LRFA). RESULTS The LLR and LRFA groups were homogeneous with regard to age, sex, etiology of liver cirrhosis, and AFP levels. The overall survival(OS) and disease-free survival(DFS) probability was 0.354 and 0.260, respectively. A significantly higher OS was observed in the LLR group(LLR: 0.442; LRFA: 0.261; P = 0.048), whereas no statistical difference was found for DFS(LLR: 0.206; LRFA: 0.286; P = 0.205). In the LRFA group was treated a greater number of nodules(LLR: 1.41 ± 0.77; LRFA: 2.72 ± 1.54; P < 0.001). Cox regression analysis found the number of intraoperative HCC nodules as the unique variable statistically significant for OS(hazard ratio: 2.225; P < 0.001). The rank-hazard plot showed a steeper increase of relative hazard for intraoperative nodules > 2.CONCLUSION Our preliminary results confirm the superiority of hepatic resection on thermoablation in the treatment of small HCC in selected patients, when both approaches are made laparoscopically. LLR showed better results compared to LRFA in terms of OS. These data need to be confirmed by further studies on a larger number of patients. | Marco Casaccia Gregorio Santori Giuliano Bottino Pietro Diviacco Enzo Andorno | 2017 | World Journal of Gastroenterology2017，23，4： | 20 |
| 5 | Performance of liver stiffness measurements by transient elastography in chronic hepatitis显示文摘AIM:To compare results of liver stiffness measurements by transient elastography(TE) obtained in our patients population with that used in a recently published meta-analysis.METHODS:This was a single center cross-sectional study.Consecutive patients with chronic viral hepatitis scheduled for liver biopsy at the outpatient ward of our Infectious Diseases Department were enrolled.TE was carried out by using FibroScan(Echosens,Paris,France).Liver biopsy was performed on the same day as TE,as day case procedure.Fibrosis was staged according to the Metavir scoring system.The diagnostic performance of TE was assessed by using receiver operating characteristic(ROC) curves and the area under the ROC curve analysis.RESULTS:Two hundred and fifty-two patients met the inclusion criteria.Six(2%) patients were excluded due to unreliable TE measurements.Thus,246(171 men and 75 women) patients were analyzed.One hundred and ninety-five(79.3%) patients had chronic hepatitis C,41(16.7%) had chronic hepatitis B,and 10(4.0%) were coinfected with human immunodeficiency virus.ROC curve analysis identified optimal cut-off value of TE as high as 6.9 kPa forF ≥ 2;7.9 kPa forF ≥ 3;9.6 kPa for F = 4 in all patients(n = 246),and as high as 6.9 kPa for F ≥ 2;7.3 kPa for F ≥ 3;9.3 kPa for F = 4 in patients with hepatitis C(n = 195).Cut-off values of TE obtained by maximizing only the specificity were as high as 6.9 kPa for F ≥ 2;9.6 kPa for F ≥ 3;12.2 kPa for F = 4 in all patients(n = 246),and as high as 7.0 kPa forF ≥ 2;9.3 kPa forF ≥ 3;12.3 kPa forF = 4 in patients with hepatitis C(n = 195).CONCLUSION:The cut-off values of TE obtained in this single center study are comparable to that obtained in a recently published meta-analysis that included up to 40 studies. | Giovanna Ferraioli Carmine Tinelli Barbara Dal Bello Mabel Zicchetti Raffaella Lissandrin Gaetano Filice Carlo Filice Elisabetta Above Giorgio Barbarini Enrico Brunetti Willy Calderon Marta Di Gregorio Roberto Gulminetti Paolo Lanzarini Serena Ludovisi Laura Maiocchi Antonello Malfitano Giuseppe Michelone Lorenzo Minoli Mario Mondelli Stefano Novati Savino FA Patruno Alessandro Perretti Gianluigi Poma Paolo Sacchi Domenico Zanaboni Marco Zaramella | 2013 | World Journal of Gastroenterology2013，19，1： | 18 |
| 6 | Liver-first approach of colorectal cancer with synchronous hepatic metastases: A reverse strategy显示文摘Recently, there has been a change in the strategy of how synchronous colorectal hepatic metastases are attributed to the development of more valuable protocols of chemotherapy and radiotherapy for neoadjuvant treatment of colorectal neoplasms and their hepatic metastases. There is a consensus that patients with synchronous colorectal hepatic metastases have lower survival than those with metachronous colorectal hepatic metastases. Currently, controversy remains concerning the best approach is sequence in a patient with colorectal cancer and synchronous hepatic metastases resection. To obtain a better patient selection, the authors have suggested the initial realization of systemic chemotherapy in the circumstance of patients with colorectal tumor stage Ⅳ, since these patients have a systemic disease. The rationale behind this liver-first strategy is initially the control of synchronous hepatic metastases of colorectal carcinoma, which can optimize a potentially curative hepatic resection and longstanding survival. The liver-first strategy procedure is indicated for patients with colorectal hepatic metastases who require downstaging therapy to make a curative liver resection possible. Thus, the liver-first strategy is considered an option in cases of rectal carcinoma in the early stage and with limited or advanced synchronous colorectal hepatic metastases or in case of patients with asymptomatic colorectal carcinoma, but with extensive liver metastases. Patients undergoing systemic chemotherapy and with progression of neoplastic disease should not undergo hepatic resection, because it does not change the prognosis and may even make it worse. To date, there have been no randomized controlled trials on surgical approach of colorectal synchronous hepatic metastases, despite the relatively high number of available manuscripts on this subject. All of these published studies are observational, usually retrospective, and often non-comparative. The patient selection criteria for the liver-first strategy should be individualized, and the approach of these patients should be performed by a multidisciplinary team so its benefits will be fully realized. | Jaques Waisberg Ivan Gregorio Ivankovics | 2015 | World Journal of Hepatology2015，7，11： | 15 |
| 7 | Pathogenesis of occult chronic hepatitis B virus infection显示文摘Occult hepatitis B infection(OBI) is characterized by hepatitis B virus(HBV) DNA in serum in the absence of hepatitis B surface antigen(HBsAg) presenting HBsAg-negative and anti-HBc positive serological patterns.Occult HBV status is associated in some cases with mutant viruses undetectable by HBsAg assays;but more frequently it is due to a strong suppression of viral replication and gene expression.OBI is an entity with world-wide diffusion.The failure to detect HBsAg,despite the persistence of the viral DNA,is due in most cases to the strong suppression of viral replication and gene expression that characterizes this'occult'HBV infection;although the mechanisms responsible for suppression of HBV are not well understood.The majority of OBI cases are secondary to overt HBV infection and represent a residual low viremia level suppressed by a strong immune response together with histological derangements which occurred during acute or chronic HBV infection.Much evidence suggests that it can favour the progression of liver fibrosis and the development of hepatocellular carcinoma. | Rocio Aller de la Fuente María L Gutiérrez Javier Garcia-Samaniego Conrado Fernández-Rodriguez Jose Luis Lledó Gregorio Castellano | 2011 | World Journal of Gastroenterology2011，17，12： | 12 |
| 8 | Advances in laparoscopy for acute care surgery and trauma显示文摘The greatest advantages of laparoscopy when compared to open surgery include the faster recovery times, shorter hospital stays, decreased postoperative pain, earlier return to work and resumption of normal daily activity as well as cosmetic benefits. Laparoscopy today is considered the gold standard of care in the treatment of cholecystitis and appendicitis worldwide. Laparoscopy has even been adopted in colorectal surgery with good results. The technological improvements in this surgical field along with the development of modern techniques and the acquisition of specific laparoscopic skills have allowed for its utilization in operations with fully intracorporeal anastomoses. Further progress in laparoscopy has included single-incision laparoscopic surgery and natural orifice trans-luminal endoscopic surgery. Nevertheless, laparoscopy for emergency surgery is still considered challenging and is usually not recommended due to the lack of adequate experience in this area. The technical difficulties of operating in the presence of diffuse peritonitis or large purulent collections and diffuse adhesions are also given as reasons. However, the potential advantages of laparoscopy, both in terms of diagnosis and therapy, are clear. Major advantages may be observed in cases with diffuse peritonitis secondary to perforated peptic ulcers,for example, where laparoscopy allows the confirmation of the diagnosis, the identification of the position of the ulcer and a laparoscopic repair with effective peritoneal washout. Laparoscopy has also revolutionized the approach to complicated diverticulitis even when intestinal perforation is present. Many other emergency conditions can be effectively managed laparoscopically, including trauma in select hemodynamically-stable patients. We have therefore reviewed the most recent scientific literature on advances in laparoscopy for acute care surgery and trauma in order to demonstrate the current indications and outcomes associated with a laparoscopic approach to the treatment of the most common emergency surgical conditions. | Matteo Mandrioli Kenji Inaba Alice Piccinini Andrea Biscardi Massimo Sartelli Ferdinando Agresta Fausto Catena Roberto Cirocchi Elio Jovine Gregorio Tugnoli Salomone Di Saverio | 2016 | World Journal of Gastroenterology2016，22，2： | 11 |
| 9 | Breath test for differential diagnosis between small intestinal bacterial overgrowth and irritable bowel disease:An observation on non-absorbable antibiotics显示文摘AIM: To estimate the prevalence of small intestine bacterial overgrowth (SIBO) among patients with an earlier diagnosis of irritable bowel disease (IBS) in our geographical area, and to collect information on the use of locally acting non-absorbable antibiotics in the management of SIBO. METHODS: A non-interventional study was conducted in 73 consecutive patients with a symptom-based diagnosis.. RESULTS: When the patients underwent a 'breath test', 33 (45.2%) showed the presence of a SIBO. After treatment with rifaximin 1200 mg/d for seven days in 32 patients, 19 (59.4%) showed a negative 'breath test' one week later as well as a significant reduction of symptoms, thus confirming the relationship between SIBO and many of the symptoms claimed by patients. In the other 13 patients, 'breath test' remained positive, and a further cycle of treatment with ciprofloxacin 500 mg/d was given for 7 additional days, resulting in a negative 'breath test' in one patient only. CONCLUSION: (1) about half of the patients with a symptomatic diagnosis of IBS have actually SIBO, which is responsible for most of the symptoms attributed to IBS; (2) only a 'breath test' with lactulose (or with glucose in subjects with an intolerance to lactose) can provide a differential diagnosis between IBS and SIBO, with almost identical symptoms; and (3) the use of non-absorbable antibiotics may be useful to reduce the degree of SIBO and related symptoms; it must be accompanied, however, by the correction of the wrong alimentary habits underlying SIBO. | I Esposito A de Leone G Di Gregorio S Giaquinto L de Magistris A Ferrieri G Riegler | 2007 | World Journal of Gastroenterology2007，13，45： | 8 |
| 10 | A totally mini-invasive approach for colorectal laparoscopic surgery显示文摘AIM:To study the short-term outcome of patients treated with laparoscopic right colectomy and how intracorporeal anastomosis has improved the outcome.METHODS:We retrospectively examined all patients affected by colorectal cancer who underwent a laparoscopic right colectomy between January 2006 and December 2010 in our department.Our evaluation criteria were:diagnosis of colorectal carcinoma at presurgical biopsy,elective surgery,and the same surgeon.We excluded:emergency surgery,conversions from laparotomic colectomy,and other surgeons.The endpoints we examined were:surgical time,number of lymph nodes removed,length of stay(removal of nasogastric tube,bowel movements,gas evacuation,solid and liquid feeding,hospitalization),and major complications.Seventy-two patients were divided into two groups:intracorporeal anastomosis(39 patients)and extracorporeal anastomosis(33 patients).RESULTS:Significant differences were observed between intracorporeal vs extracorporeal anastomosis,respectively,for surgical times(186.8 min vs 184.1 min,P < 0.001),time to resumption of gas evacuation(3 d vs 3.5 d,P < 0.001),days until resumption of bowel movements(3.8 d vs 4.9 d,P < 0.001),days until resumption of liquid diet(3.5 d vs 4.5 d,P < 0.001),days until resuming a solid diet(4.6 d vs 5.7 d,P < 0.001),and total hospitalization duration(7.4 d vs 8.5 d,P < 0.001).In the intracorporeal group,on average,19 positive lymph nodes were removed;in the extracorporeal group,on average,14 were removed P < 0.001).Thus,intracorporeal anastomosis for right laparoscopic colectomy improved patient outcome by providing faster recovery of nutrition,faster recovery of intestinal function,and shorter hospitalization than extracorporeal anastomosis.CONCLUSION:Short-term outcomes favor intracorporeal anastomosis,confirming that a less traumatic surgical approach improves patient outcome. | Gabriele Anania Mirco Santini Lucia Scagliarini Alice Marzetti Laura Vedana Serafino Marino Claudio Gregorio Giuseppe Resta Giorgio Cavallesco | 2012 | World Journal of Gastroenterology2012，18，29： | 8 |
| 11 | Portopulmonary hypertension and serum endothelin levels in hospitalized patients with cirrhosis显示文摘BACKGROUND:Cirrhosis is associated with several extrahepatic manifestations including portopulmonary hypertension (PPHT).Recent data suggest that endothelins (ETs) are related to the pathophysiology of PPHT.The study aimed to measure serum ET levels in hospitalized cirrhotic patients and to determine their association with PPHT and patient outcome.METHODS:Fifty-seven cirrhotic patients [43 males;median age 58 (28-87) years] underwent Doppler echocardiography.Patients with systolic pulmonary arterial pressure ≥40 mmHg and pulmonary acceleration time <100 ms were deemed to have PPHT.ET-1,2,and 3 serum levels were measured with an ELISA assay.All-cause mortality was recorded over a median period of 24 months.RESULTS:Nine out of 57 patients (15.8%) had PPHT.Among various clinical variables,only autoimmune hepatitis was associated with PPHT (OR=11.5;95% CI,1.58-83.4;P=0.01).ET-1 levels [9.1 (1.6-20.7) vs 2.5 (1.4-9.2) pg/mL,P=0.02] and the ET-1/ET-3 ratio [4.73 (0.9-22.4) vs 1.6 (0.3-10.7),P=0.02] were significantly higher in patients with PPHT than in those without.ET-2 and ET-3 levels did not differ between the two groups.There was no difference in survival between the two groups,although ET-1 levels were associated with an adverse outcome in Cox regression analysis (HR=1.11;95% CI,1.02-1.22;P=0.02 per unit increase in ET-1).CONCLUSION:Our data suggest that ET-1 and the ET-1/ET-3 ratio are elevated in patients with PPHT and that ET-1 is associated with a poor outcome irrespective of PPHT. | Aristotelis Tsiakalos Gregorios Hatzis Ioannis Moyssakis Aggelos Karatzaferis Panayiotis D Ziakas George E Tzelepis | 2011 | Hepatobiliary & Pancreatic Diseases International2011，10，4： | 7 |
| 12 | Chondroitin sulfate proteoglycan 4 functions as the cellular receptor for Clostridium difficile toxin B显示文摘作为克积极的、形成孢子的厌氧的杆菌, Clostridium 顽固(C。顽固) 为严重、致命的 pseudomembranous 大肠炎负责,并且形成世界范围的最迫切的抗菌素抵抗威胁。流行 C。顽固全球性是联系抗菌素的腹泻的领先的原因,特别由于 hypervirulent 的出现,种类与高死亡和病态联系了的腹泻。TcdB,关键毒力因素之一由这个细菌藏匿了,通过糟糕理解的机制进入主人房间得到它的病原的效果。这里,我们报导 TcdB 细胞的受体的第一鉴定, chondroitin 硫酸盐 proteoglycan 4 (CSPG4 ) 。CSPG4 开始从屏蔽的一个整个染色体的人的 shRNAmir 图书馆被孤立,并且它的角色被证实由调停 TALEN 并且在人的房间的 CRISPR/Cas9-mediated 基因大美人。CSPG4 为对房间表面有约束力的 TcdB 是批评的,导致细胞骨架混乱和房间死亡。在 CSPG4 的 N 终点和 TcdB 的 C 终点之间的一个直接相互作用被证实,并且 CSPG4 的毒素绑定领域的可溶的肽能保护房间免受 TcdB 的行动的伤害。尤其是, CSPG4/NG2 的完全的损失减少了在没有显著地影响动物死亡的老鼠的被触发 TcdB 的 interleukin-8 正式就职。基于两个在里面 vitro 并且在 vivo 研究,我们为 TcdB endocytosis 建议一个双受体的模型。第一 TcdB 受体的发现为 CSPG4 揭示一个以前不受怀疑的角色并且为 C 的处理提供一个新治疗学的目标。顽固感染。 | Pengfei Yuan Hongmin Zhang Changzu Cai Shiyou Zhu Yuexin Zhou Xiaozhou Yang Ruina He Chan Li Shengjie Guo Shan Li Tuxiong Huang Gregorio Perez-Cordon Hanping Feng Wensheng Wei | 2015 | Cell Research2015，25，2： | 6 |
| 13 | Design and preliminary validation of a tool for the simulation of train braking performance显示文摘Train braking performance is important for the safety and reliability of railway systems.The availability of a tool that allows evaluating such performance on the basis of the main train features can be useful for train system designers to choose proper dimensions for and optimize train's subsystems.This paper presents a modular tool for the prediction of train braking performance,with a particular attention to the accurate prediction of stopping distances.The tool takes into account different loading and operating conditions,in order to verify the safety requirements prescribed by European technical specifications for interoperability of high-speed trains and the corresponding EN regulations.The numerical results given by the tool were verified and validated by comparison with experimental data,considering as benchmark case an Ansaldo EMU V250 train—a European high-speed train—currently developed for Belgium and Netherlands high-speed lines,on which technical information and experimental data directly recorded during the preliminary tests were available.An accurate identification of the influence of the braking pad friction factor on braking performances allowed obtaining reliable results. | Luca Pugi Monica Malvezzi Susanna Papini Gregorio Vettori | 2013 | Journal of Modern Transportation2013，21，4： | 5 |
| 14 | 慢性肾脏病患者铁剂应用的争议:来自改善全球肾脏病预后组织(KDIGO)会议的结论显示文摘慢性肾脏病和终末期肾病患者常需补铁治疗。但近年来铁剂的使用逐年增加,带来了铁超载、氧化应激和超敏反应等新问题,并可能促进感染的发生,其使用的安全性受到关注。为此,改善全球肾脏病预后组织(KDIGO)召开专家组会议,全面评估铁剂使用的利和弊,并且提供合理使用方案以减轻急性反应及其他毒副作用。 | Iain C.Macdougall Andreas J.Bircher Kai-Uwe Eckardt Gregorio T.Obrador Carol A.Pollock Peter Stenvinkel Dorine W.Swinkels Christoph Wanner Gü nter Weiss Glenn M.Chertow 陈佩玲(翻译) 龚德华(审校) | 2016 | 肾脏病与透析肾移植杂志2016，，4： | 5 |
| 15 | Changes in nutritional status after liver transplantation显示文摘Chronic liver disease has an important effect on nutritional status, and malnourishment is almost universally present in patients with end-stage liver disease who undergo liver transplantation. During recent decades,a trend has been reported that shows an increase in number of patients with end-stage liver disease and obesity in developed countries. The importance of carefully assessing the nutritional status during the workup of patients who are candidates for liver replacement is widely recognised. Cirrhotic patients with depleted lean body mass(sarcopenia) and fat deposits have an increased surgical risk; malnutrition may further impact morbidity, mortality and costs in the post-transplantation setting. After transplantation and liver function is restored, many metabolic alterations are corrected,dietary intake is progressively normalised, and lifestyle changes may improve physical activity. Few studies have examined the modifications in body composition that occur in liver recipients. During the first 12 mo, the fat mass progressively increases in those patients who had previously depleted body mass, and the muscle mass recovery is subtle and non-significant by the end of the first year. In some patients, unregulated weight gain may lead to obesity and may promote metabolicdisorders in the long term. Careful monitoring of nutritional changes will help identify the patients who are at risk for malnutrition or over-weight after liver transplantation. Physical and nutritional interventions must be investigated to evaluate their potential beneficial effect on body composition and muscle function after liver transplantation. | Michela Giusto Barbara Lattanzi Vincenza Di Gregorio Valerio Giannelli Cristina Lucidi Manuela Merli | 2014 | World Journal of Gastroenterology2014，20，31： | 5 |
| 16 | 少数民族农村社区有效预防艾滋病宣教项目模式结果分析显示文摘目的 探索并证明能在少数民族山区有效开展艾滋病 (AIDS)宣教活动的项目运作方法 ,通过农村学校 ,建立一种成本较低且可持续发展的农村社区健康宣传活动推广模式。方法 培训中小学教师 ,利用当地开发的民族宣传材料对全乡 72 4 4户进行入村逐户宣传 ,结合检查、监督、项目中期与终期评估及外部独立评估。结果 山区少数民族村民预防艾滋病的知识由平均 8%以下 ,达到项目结束时的 80 %左右。活动过程中的有效检查、监督、评估证明 ,结果有效真实。项目探索了一种成本较低 ,适合农村少数民族社区宣传教育项目的运作方法。项目结合当地的人力资源开发 ,保证了项目活动今后的可持续发展。结论 农村教师是山区少数民族社区开展预防艾滋病宣传教育活动的最佳资源之一 ,当地民族文化的宣传材料至关重要 ,有效检查、监督、评估相结合 ,是开展艾滋病宣教活动项目的保证 ,当地人力资源的开发是宣教活动可持续发展的根本。 | 朵林 李洪 朱敏 董一凡 姜征明 苏国文 李富荣 陈夫荣 朱根华 李老冬 沈亿玲 Lucille C Gregorio | 2004 | 中国艾滋病性病2004，10，6： | 5 |
| 17 | Innovative circular path harvester for mechanical harvesting of irregular and large-canopy olive trees显示文摘The harvesting process of the olive tree is mainly performed by manual means,because traditional olive orchards(the main planting typology)are formed of irregular,large-canopy trees that are very difficult to harvest mechanically.For that reason,the cost of harvesting is very high,and it threatens the future of these plantations whose conversion to other more modern layouts is not always possible due to several limitations.The introduction of a harvester may represent the technological change that is the key factor for improved competitiveness.The main purpose of this work was to develop a harvester based on canopy shaker technology for work on irregular,large trees in a circular path.The design of the harvester was based on a determination of tree geometry,together with tree training.Field tests were used to determine machine-tree interaction,and to evaluate the removal,catch frame and driven systems.The proposed innovation allowed the fully mechanical harvest of previously planted trees with a removal efficiency of over 84%,achieving an effective field capacity of 0.21 hm^(2)/h.Although the results so far have been promising,further improvements are advisable in machine and tree adaptation. | Rafael R.Sola-Guirado Gregorio L.Blanco-Roldan Sergio Castro-Garcia Francisco J.Castillo-Ruiz Jesus A.Gil-Ribes | 2018 | International Journal of Agricultural and Biological Engineering2018，11，3： | 4 |
| 18 | Melatonin attenuates high fat diet-induced fatty liver disease in rats显示文摘AIM:To investigate melatonin's preventive action in oxidative stress in a rat model with high fat diet-induced non-alcoholic fatty liver disease(NAFLD).METHODS:NAFLD was induced by high fat diet(HFD)in adult,male,Wistar rats,weighing 180-230 g.After acclimatization for one week,they were randomly assigned to 6 experimental groups that comprised animals on regular diet plus 5 or 10 mg/kg melatonin,for 4 or 8 wk;animals on HFD,with or without 5 or 10 mg/kg melatonin,for 4 or 8 wk;and animals on HFD for 8 or 12 wk,with melatonin 10 mg/kg for the last 4 wk.Liver damage was assessed biochemically by the serum levels of alanine aminotransferase(ALT),aspartate aminotransferase(AST),and histologically.Lipid peroxidation and oxidative stress were assessed by malondialdehyde and glutathione levels in liver tissue.Lipidemic indices and portal vein pressure were also measured.RESULTS:Compared to rats not receiving melatonin,rats on 5 or 10 mg/kg of melatonin had lower mean liver weight(-5.0 g and-4.9 g)(P < 0.001)and lower liver weight to body weight ratio(-1.0%)(P < 0.001),for the two doses,respectively.All rats fed HFD without melatonin developed severe,grade Ⅲ,steatosis.Rats on HFD with concurrent use of melatonin showed significantly less steatosis,with grade Ⅲ steatosis observed in 1 of 29(3.4%)rats on 10 mg/kg melatonin and in 3 of 27(11.1%)rats on 5 mg/kg melatonin.Melatonin was ineffective in reversing established steatosis.Melatonin also had no effect on any of the common lipidemic serum markers,the levels of which did not differ significantly among the rats on HFD,irrespective of the use or not of melatonin.Liver cell necrosis was significantly less in rats on HFD receiving melatonin than in those not on melatonin,with the AST levels declining by a mean of 170 U/L(P = 0.01)and 224 U/L(P = 0.001),and the ALT levels declining by a mean of 62.9 U/L(P = 0.01)and 93.4 U/L(P < 0.001),for the 5 and 10 mg/kg melatonin dose,respectively.Melatonin mitigated liver damage due to peroxidation and oxidative stress in liver tissue as indicated by a significant decline in MDA production by 12.7(P < 0.001)and 12.2(P < 0.001)μmol/L/mg protein/mg tissue,and a significant increase in glutathione by 20.1(P = 0.004)and 29.2(P < 0.001)μmol/L/mg protein/mg tissue,for the 5 and 10 mg/kg melatonin dose,respectively.CONCLUSION:Melatonin can attenuate oxidative stress,lessen liver damage,and improve liver histology in rats with high fat diet-induced NAFLD,when given concurrently with the diet. | Gregorios Hatzis Panayiotis Ziakas Nikolaos Kavantzas Aggeliki Triantafyllou Panagiotis Sigalas Ioanna Andreadou Konstantinos Ioannidis Stamatios Chatzis Konstantinos Filis Alexandros Papalampros Fragiska Sigala | 2013 | World Journal of Hepatology2013，5，4： | 4 |
| 19 | Acute heart failure in elderly patients:a review of invasive and non-invasive management显示文摘Acute heart failure(AHF)is a major cause of unplanned hospitalisations in the elderly and is associated with high mortality.Its prevalence has grown in the last years due to population aging and longer life expectancy of chronic heart failure patients.Although international societies have provided guidelines for the management of AHF in the general population,scientific evidence for geriatric patients is often lacking,as these are underrepresented in clinical trials.Elderly have a different risk profile with more comorbidities,disability,and frailty,leading to increased morbidity,longer recovery time,higher readmission rates,and higher mortality.Furthermore,therapeutic options are often limited,due to unfeasibility of invasive strategies,mechanical circulatory support and cardiac transplantation.Thus,the in-hospital management of AHF should be tailored to each patient's clinical situation,cardiopulmonary condition and geriatric assessment.Palliative care should be considered in some cases,in order to avoid unnecessary diagnostics and/or treatments.After discharge,a strict follow-up through outpatient clinic or telemedicine is can improve quality of life and reduce rehospitalisation rates.The aim of this review is to offer an insight on current literature and provide a clinically oriented,patient-tailored approach regarding assessment,treatment and follow-up of elderly patients admitted for AHF. | Gregorio Tersalvi Alessio Gasperetti Marco Schiavone Jeroen Dauw Cecilia Gobbi Marialessia Denora Joel Daniel Krul Giacomo Maria Cioffi Gianfranco Mitacchione Giovanni B.Forleo | 2021 | Journal of Geriatric Cardiology2021，18，7： | 4 |
| 20 | META-R:A software to analyze data from multi-environment plant breeding trials显示文摘META-R(multi-environment trial analysis in R)is a suite of R scripts linked by a graphical user interface(GUI)designed in Java language.The objective of META-R is to accurately analyze multi-environment plant breeding trials(METs)by fitting mixed and fixed linear models from experimental designs such as the randomized complete block design(RCBD)and the alpha-lattice/lattice designs.META-R simultaneously estimates the best linear and unbiased estimators(BLUEs)and the best linear and unbiased predictors(BLUPs).Additionally,it computes the variance-covariance parameters,as well as some statistical and genetic parameters such as the least significant difference(LSD)at 5%significance,the coefficient of variation in percentage(CV),the genetic variance,and the broad-sense heritability.These parameters are very important in the selection of top performing genotypes in plant breeding.META-R also computes the phenotypic and genetic correlations among environments and between traits,as well as their statistical significance.The genetic correlations between environments or traits can be visualized in a biplot graph or a tree diagram(dendrogram).Genetic correlations are very important for identifying environments with similar behavior or making indirect selection and identifying the most highly associated traits.META-R performs multi-environment analyses by using the residual maximum likelihood(REML)method;these analyses can be done by environment,across environments by grouping factors(stress conditions,nitrogen content,etc.)and across environments;the analyses across environments can be done with a pre-defined degree of heritability. | Gregorio Alvarado Francisco M.Rodríguez Angela Pacheco Juan Burgueño JoséCrossa Mateo Vargas Paulino Pérez-Rodríguez Marco A.Lopez-Cruz | 2020 | The Crop Journal2020，8，5： | 4 |
您所在的机构暂未开通此部分的功能，请联系管理员