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| 1 | Systematic review of surgical resection vs radiofrequency ablation for hepatocellular carcinoma显示文摘Hepatocellular carcinoma (HCC) represents one of the most common neoplasms worldwide. Surgical resection and local ablative therapies represent the most frequent first lines therapies adopted when liver transplantation can not be offered or is not immediately accessible. Hepatic resection (HR) is currently considered the most curative strategy, but in the last decade local ablative therapies have started to obtain satisfactory results in term of efficacy and, of them, radiofrequency ablation (RFA) is considered the reference standard. An extensive literature review, from the year 2000, was performed, focusing on results coming from studies that directly compared HR and RFA. Qualities of the studies, characteristics of patients included, and patient survival and recurrence rates were analyzed. Except for three randomized controlled trials (RCT), most studies are affected by uncertain methodological approaches since surgical and ablated patients represent different populations as regards clinical and tumor features that are known to affect prognosis. Unfortunately, even the available RCTs report conflicting results. Until further evidences become available, it seems reasonable to offer RFA to very small HCC (< 2 cm) with no technical contraindications, since in this instance complete necrosis is most likely to be achieved. In larger nodules, namely > 2 cm and especially if > 3 cm, and/or in tumor locations in which ablation is not expected to be effective or safe, surgical removal is to be preferred. | Alessandro Cucchetti Fabio Piscaglia Matteo Cescon Giorgio Ercolani Antonio Daniele Pinna | 2013 | World Journal of Gastroenterology2013，19，26： | 40 |
| 2 | Current concept in dysplastic hip arthroplasty: Techniques for acetabular and femoral reconstruction显示文摘Adult patients with developmental dysplasia of the hip develop secondary osteoarthritis and eventually end up with total hip arthroplasty(THA) at younger age. Because of altered anatomy of dysplastic hips, THA in these patients represents technically demanding procedure. Distorted anatomy of the acetabulum and proximal femur together with conjoined leg length discrepancy present major challenges during performing THA in patients with developmental dysplasia of the hip. In addition, most patients are at younger age, therefore, soft tissue balance is of great importance(especially the need to preserve the continuity of abductors) to maximise postoperative functional result. In this paper we present a variety of surgical techniques availablefor THA in dysplastic hips, their advantages and disadvantages. For acetabular reconstruction following techniques are described: Standard metal augments(prefabricated), Custom made acetabular augments(3D printing), Roof reconstruction with vascularized fibula, Roof reconstruction with pedicled iliac graft, Roof reconstruction with autologous bone graft, Roof reconstruction with homologous bone graft, Roof reconstruction with auto/homologous spongious bone, Reinforcement ring with the hook in combination with autologous graft augmentation, Cranial positioning of the acetabulum, Medial protrusion technique(cotyloplasty) with chisel, Medial protrusion technique(cotyloplasty) with reaming, Cotyloplasty without spongioplasty. For femoral reconstruction following techniques were described: Distraction with external fixator, Femoral shortening through a modified lateral approach, Transtrochanteric osteotomies, Paavilainen osteotomy, Lesser trochanter osteotomy, Double-chevron osteotomy, Subtrochanteric osteotomies, Diaphyseal osteotomies, Distal femoral osteotomies. At the end we present author's treatment method of choice: for acetabulum we perform cotyloplasty leaving only paper-thin medial wall, which we break during acetabular cup impacting. For femoral side first we peel of all rotators and posterior part of gluteus medius and vastus lateralis from greater trochanter on the very thin flake of bone. This method allows us to adequately shorten proximal femoral stump, with possibility of additional resection of proximal femur. Furthermore, several advantages and disadvantages of this procedure are also discussed. | Goran Bicanic Katarina Barbaric Ivan Bohacek Ana Aljinovic Domagoj Delimar | 2014 | World Journal of Orthopedics2014，5，4： | 27 |
| 3 | Optimum interval time of programmed intermittent epidural bolus of ropivacaine 0.08%with sufentanyl 0.3 mg/mL for labor analgesia:a biased-coin up-and-down sequential allocation trial显示文摘Background:The programmed intermittent epidural bolus(PIEB)technique is widely used in labor analgesia,but the parameter settings of PIEB have not yet been standardized.We designed a study to identify the optimal interval duration for PIEB using 10 mL of ropivacaine 0.08%and sufentanyl 0.3 mg/mL,a regimen commonly used to control labor pain in China,to provide effective analgesia in 90%of women during the first stage of labor without breakthrough pain.Methods:We conducted a double-blind sequential allocation trial to obtain the effective interval 90%(EI90%)during the first stage of labor between April 2019 and May 2019.This study included the American Society of Anesthesiologists physical status II–III nulliparous parturients at term,who requested epidural analgesia.The bolus volume was fixed at 10 mL of ropivacaine 0.08%with sufentanyl 0.3 mg/mL.Participants were divided into four groups(groups 60,50,40,and 30)according to the PIEB intervals(60,50,40,and 30 min,respectively).The interval duration of the first parturient was set at 60 min and that of subsequent parturients varied according to a biased-coin design.The truncated Dixon and Mood method and the isotonic regression analysis method were used to estimate the EI90%and its 95%confidence intervals(CIs).Results:Forty-four women were enrolled in this study.The estimated optimal interval was 44.1 min(95%CI 41.7–46.5 min)and 39.5 min(95%CI 32.5–50.0 min),using the truncated Dixon and Mood method and isotonic regression analysis,respectively.The maximum sensory block level above T6 was in nearly 20%of parturients in group 30;however,5.3%,0%,and 0%of the parturients presented with sensory block level above T6 in groups 40,50,and 60,respectively.There were no cases of hypotension and only one parturient complained of motor block.Conclusion:With a fixed 10 mL dose of ropivacaine 0.08%with sufentanyl 0.3 mg/mL,the optimal PIEB interval is about 42 min.Further studies are warranted to define the efficacy of this regimen throughout all stages of labor. | Shuang-Qiong Zhou Jing Wang Wei-Jia Du Yu-Jie Song Zhen-Dong Xu Zhi-Qiang Liu | 2020 | Chinese Medical Journal2020，，5： | 16 |
| 4 | Application of several optimization techniques for estimating TBM advance rate in granitic rocks显示文摘This study aims to develop several optimization techniques for predicting advance rate of tunnel boring machine(TBM)in different weathered zones of granite.For this purpose,extensive field and laboratory studies have been conducted along the 12,649 m of the Pahang-Selangor raw water transfer tunnel in Malaysia.Rock properties consisting of uniaxial compressive strength(UCS),Brazilian tensile strength(BTS),rock mass rating(RMR),rock quality designation(RQD),quartz content(q)and weathered zone as well as machine specifications including thrust force and revolution per minute(RPM)were measured to establish comprehensive datasets for optimization.Accordingly,to estimate the advance rate of TBM,two new hybrid optimization techniques,i.e.an artificial neural network(ANN)combined with both imperialist competitive algorithm(ICA)and particle swarm optimization(PSO),were developed for mechanical tunneling in granitic rocks.Further,the new hybrid optimization techniques were compared and the best one was chosen among them to be used for practice.To evaluate the accuracy of the proposed models for both testing and training datasets,various statistical indices including coefficient of determination(R^2),root mean square error(RMSE)and variance account for(VAF)were utilized herein.The values of R^2,RMSE,and VAF ranged in 0.939-0.961,0.022-0.036,and 93.899-96.145,respectively,with the PSO-ANN hybrid technique demonstrating the best performance.It is concluded that both the optimization techniques,i.e.PSO-ANN and ICA-ANN,could be utilized for predicting the advance rate of TBMs;however,the PSO-ANN technique is superior. | Danial Jahed Armaghani Mohammadreza Koopialipoor Aminaton Marto Saffet Yagiz | 2019 | Journal of Rock Mechanics and Geotechnical Engineering2019，11，4： | 15 |
| 5 | ODE CONVERSION TECHNIQUES AND THEIR APPLICATIONS IN COMPUTATIONAL MECHANICS显示文摘In this paper,a number of ordinary differential equation(ODE)conversion techniques for trans-formation of nonstandard ODE boundary value problems into standard forms are summarised,together withtheir applications to a variety of boundary value problems in computational solid mechanics,such as eigenvalueproblem,geometrical and material nonlinear problem,elastic contact problem and optimal design problemsthrough some simple and representative examples,The advantage of such approach is that various ODE bounda-ry value problems in computational mechanics can be solved effectively in a unified manner by invoking a stand-ard ODE solver. | 袁驷 | 1991 | Acta Mechanica Sinica1991，7，3： | 14 |
| 6 | Rare earth upconversion nanophosphors: synthesis, functionalization and application as biolabels and energy transfer donors显示文摘This review focused on rare earth upconversion nanophosphors (UCNPs), a particular class of emitters whose photoluminescence mechanism is of fundamental difference from that of conventional dyes and semiconductor quantum dots. We in the first section gave a brief summary on a variety of synthetic methodologies developed during the past decades. Instead of presenting an exhaustive reference list, we selected only a few representative examples, illustrating the merits and limits of each involved synthetic route. Then we surveyed the recent progress in the functionalization techniques for these nanomaterials, depicting the modification in microstructures and improvement in properties with respect to the parent nanoparticles. And finally, we emphasized their application in the research fields of biolabeling and energy transfer, narrating their superior performance benefiting from the unique excitation and emission properties. | 张超 孙聆东 张亚文 严纯华 | 2010 | Journal of Rare Earths2010，28，6： | 14 |
| 7 | Endoscopic hemostasis techniques for upper gastrointestinal hemorrhage: A review显示文摘Upper gastrointestinal hemorrhage (UGIH) is an urgent disease that is often encountered in daily medical practice. Endoscopic hemostasis is currently indispensable for the treatment of UGIH. Initially, when UGIH is suspected, a cause of UGIH is presumed from the medical interview and physical findings. After ample primary treatment, urgent endoscopy is performed. Many methods of endoscopic hemostasis are in wide use, including hemoclip, injection and thermo-coagulation methods. Although UGIH develops from a wide variety of diseases, such as esophageal varices and gastric and duodenal ulcer, hemostasis is almost always possible. Identification of the causative diseases, primary treatment and characteristic features of endoscopic hemostasis are needed to allow appropriate treatment. | Hajime Anjiki Terumi Kamisawa Masaki Sanaka Taro Ishii Yasushi Kuyama | 2010 | World Journal of Gastrointestinal Endoscopy2010，2，2： | 13 |
| 8 | Diagnosis of gastrointestinal bleeding: A practical guide for clinicians显示文摘Gastrointestinal bleeding is a common problem encountered in the emergency department and in the primary care setting. Acute or overt gastrointestinal bleeding is visible in the form of hematemesis, melena or hematochezia. Chronic or occult gastrointestinal bleeding is notapparent to the patient and usually presents as positive fecal occult blood or iron deficiency anemia. Obscure gastrointestinal bleeding is recurrent bleeding when the source remains unidentified after upper endoscopy and colonoscopic evaluation and is usually from the small intestine. Accurate clinical diagnosis is crucial and guides definitive investigations and interventions. This review summarizes the overall diagnostic approach to gastrointestinal bleeding and provides a practical guide for clinicians. | Bong Sik Matthew Kim Bob T Li Alexander Engel Jaswinder S Samra Stephen Clarke Ian D Norton Angela E Li | 2014 | World Journal of Gastrointestinal Pathophysiology2014，5，4： | 13 |
| 9 | Endoscopic retrograde cholangiopancreatography in periampullary diverticulum: The challenge of cannulation显示文摘Periampullary diverticulum(PAD) is duodenal outpunching defined as herniation of the mucosa or submucosa that occurs via a defect in the muscle layer within an area of 2 to 3 cm around the papilla. Although PAD isusually asymptomatic and discovered incidentally during endoscopic retrograde cholangiopancreatography(ERCP), it is associated with different pathological conditions such as common bile duct obstruction, pancreatitis, perforation, bleeding, and rarely carcinoma. ERCP has a low rate of success in patients with PAD,suggesting that this condition may complicate the technical application of the ERCP procedure. Moreover, cannulation of PAD can be challenging, time consuming, and require the higher level of skill of more experienced endoscopists. A large portion of the failures of cannulation in patients with PAD can be attributed to inability of the endoscopist to detect the papilla. In cases where the papilla is identified but does not point in a suitable direction for cannulation, different techniques have been described. Endoscopists must be aware of papilla identification in the presence of PAD and of different cannulation techniques, including their technical feasibility and safety, to allow for an informed decision and ensure the best outcome. Herein, we review the literature on this practical topic and propose an algorithm to increase the success rate of biliary cannulation. | Ahmed Youssef Altonbary Monir Hussein Bahgat | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，6： | 11 |
| 10 | Cartilage repair techniques of the talus: An update显示文摘Symptomatic chondral or osteochondral defects of the talus reduce the quality of life of many patients.Although their pathomechanism is well understood,it is well known that different aetiologic factors play a role in their origin.Additionally,it is well recognised that the talar articular cartilage strongly differs from that in the knee.Despite this fact,many recommendations for the management of talar cartilage defects are based on approaches that were developed for the knee.Conservative treatment seems to work best in paediatric and adolescent patients with osteochondritis dissecans.However,depending on the size of the lesions,surgical approaches are necessary to treat many of these defects.Bone marrow stimulation techniques may achieve good results in small lesions.Large lesions may be treated by open procedures such as osteochondral autograft transfer or allograft transplantation.Autologous chondrocyte transplantation,as a restorative procedure,is well investigated in the knee and has been applied in the talus with increasing popularity and promising results but the evidence to date is poor.The goals of the current article are to summarise the different options for treating chondral and osteochondral defects of the talus and review the available literature. | Mike H Baums Wolfgang Schultz Tanja Kostuj Hans-Michael Klinger | 2014 | World Journal of Orthopedics2014，5，3： | 11 |
| 11 | Predictors and reduction techniques for irreducible reverse intertrochanteric fractures显示文摘Background:Reverse intertrochanteric fractures are usually initially treated with closed reduction.However,sometimes these fractures are not amenable to closed reduction and require open reduction.To date,few studies have been conducted on predictors of and reduction techniques for irreducible reverse intertrochanteric fractures.Therefore,this study aimed to summarize the displacement patterns of irreducible reverse intertrochanteric fractures and corresponding reduction techniques,and explore predictors of irreducibility.Methods:We reviewed 1174 cases of trochanteric fractures treated in our hospital from January 2006 to October 2018,113 of which were reverse intertrochanteric fractures.An irreducible fracture was determined according to intra-operative fluoroscopy imaging after closed manipulation.Fractures were assessed for displacement patterns,radiographic features of irreducibility,and reduction techniques.Logistic regression analysis was performed on potential predictors for irreducibility,including gender,age,body mass index,AO Foundation/Orthopaedic Trauma Association(AO/OTA)classification,and radiographic features.Results:Seventy-six irreducible fractures were identified,accounting for 67%of reverse intertrochanteric fractures.Six patterns of fracture displacement after closed manipulation were identified;the most common pattern was medial displacement and posterior sagging of the femoral shaft relative to the head-neck fragment.Multivariate logistic regression analysis identified three predictors of irreducibility:a medially displaced femoral shaft relative to the head-neck fragment on the anteroposterior(AP)view(odds ratio[OR],8.00;95%confidence interval[CI],3.04–21.04;P<0.001),a displaced lesser trochanter(OR,3.61;95%CI,1.35–9.61;P=0.010),and a displaced lateral femoral wall(OR,2.92;95%CI,1.02–8.34;P=0.046).Conclusions:A high proportion of reverse intertrochanteric fractures are not amenable to closed reduction.Six patterns of fracture displacement after closed manipulation were identified.Different reduction techniques are required for different displacement patterns.Predictors of irreducibility include a medially displaced femoral shaft relative to the head-neck fragment on the AP view,a displaced lesser trochanter,and a displaced lateral femoral wall.These patients warrant special consideration in terms of recognition and management. | You-Liang Hao Zhi-Shan Zhang Fang Zhou Hong-Quan Ji Yun Tian Yan Guo Yang Lyu Zhong-Wei Yang Guo-Jin Hou | 2019 | Chinese Medical Journal2019，，21： | 11 |
| 12 | Treatment of early-onset scoliosis: techniques, indications, and complications显示文摘The treatments for early-onset scoliosis(EOS)remain great challenges for spine surgeons.This study aimed to comprehensively review the treatments for EOS,especially the advancements made in the last decade.Current studies on EOS were retrieved through a search on PubMed,UpToDate,the Web of Science Core Collection and Scopus were reviewed.The most pertinent information related to the current treatments for EOS was collected.The foci of treatments for EOS have included creating a well-developed thoracic cavity,improving lung volume,and improving pulmonary function.Conservative treatments include bracing,casting,halo-gravity traction,and physiotherapy.Serial casting is the most effective conservative treatment for EOS.Surgical treatments mainly include growth-friendly techniques,which are generally classified into three types according to the amount of correction force applied:distraction-based,compression-based,and growth-guided.The distraction-based systems include traditional or conventional growing rods,magnetically controlled growing rods,and vertical expandable prosthesis titanium ribs.The compression-based systems include vertebral body stapling and tethering.The growth-guided systems include the Shilla system and modern Luque trolley.In addition,some newer techniques have emerged in recent years,such as posterior dynamic deformity correction(ApiFix).For EOS patients presenting with sharp deformities in a long,congenital spinal deformity,a hybrid technique,one-stage posterior osteotomy with short segmental fusion and dual growing rods,may be a good choice.Hemivertebra resection is the gold standard for congenital scoliosis caused by single hemivertebra.Although the patient’s growth potential is preserved in growth-friendly surgeries,a high complication rate should be expected,as well as a prolonged treatment duration and additional costs.Knowledge about EOS and its treatment options is rapidly expanding.Conservative treatments have specific limitations.For curves requiring a surgical intervention,surgical techniques may vary depending on the patients’characteristics,the surgeon’s experience,and the actual state of the country. | Yan-Bin Zhang Jian-Guo Zhang | 2020 | Chinese Medical Journal2020，，3： | 11 |
| 13 | AI for 5G: research directions and paradigms显示文摘Wireless communication technologies such as fifth generation mobile networks(5 G) will not only provide an increase of 1000 times in Internet traffic in the next decade but will also offer the underlying technologies to entire industries to support Internet of things(IOT) technologies. Compared to existing mobile communication techniques, 5 G has more varied applications and its corresponding system design is more complicated. The resurgence of artificial intelligence(AI) techniques offers an alternative option that is possibly superior to traditional ideas and performance. Typical and potential research directions related to the promising contributions that can be achieved through AI must be identified, evaluated, and investigated.To this end, this study provides an overview that first combs through several promising research directions in AI for 5 G technologies based on an understanding of the key technologies in 5 G. In addition, the study focuses on providing design paradigms including 5 G network optimization, optimal resource allocation, 5 G physical layer unified acceleration, end-to-end physical layer joint optimization, and so on. | Xiaohu YOU Chuan ZHANG Xiaosi TAN Shi JIN Hequan WU | 2019 | Science China(Information Sciences)2019，62，2： | 10 |
| 14 | Surgical strategies in the therapy of non-small cell lung cancer显示文摘Lung cancer represents the leading cause of cancer mortality worldwide. Despite improvements in preoperative staging, surgical techniques, neoadjuvant/adjuvant options and postoperative care, there are still major difficulties in significantly improving survival, especially in locally advanced non-small cell lung cancer(NSCLC). To date, surgical resection is the primary mode of treatment for stage?Ⅰ?and Ⅱ NSCLC and has become an important component of the multimodality therapy of even more advanced disease with a curative intention. In fact, in NSCLC patients with solitary distant metastases, surgical interventions have been discussed in the last years. Accordingly, this review displays the recent surgical strategies implemented in the therapy of NSCLC patients. | Feras Al-Shahrabani Daniel Vallbhmer Sebastian Angenendt Wolfram T Knoefel | 2014 | World Journal of Clinical Oncology2014，5，4： | 10 |
| 15 | Outcome of complex tibial plateau fractures with Ilizarov external fixation with or without minimal internal fixation显示文摘Purpose: To evaluate the clinico-radiological outcome of complex tibial plateau fractures treated with Ilizarov external fixation with or without minimal internal fixation. Methods: This retrospective review was conducted on all the cases of Schatzker types V and VI tibial plateau fractures treated by Ilizarov external fixation between July 2006 and December 2015 with the minimum follow-up duration of one year. There were 30 patients: 24 males and 6 females, mean age 43.33 years, and mean follow-up 3.6 years. Three of them were open fractures;15 cases were Schatzkertype V fractures and the other 15 type VI. According to AO/OTA classification, there were 11 type C1, 12 C2 and 7 type C3 fractures. Outcome assessment was made with American Knee Society Score (AKSS) and Rasmussen's Radiological Score (RRS) at final follow-up. Results: Out of the 30 cases, mini-open reduction was performed in 7, bone graft in 4, minimal internal fixation in 10 and knee temporary immobilisation in 11 patients. Mean duration of external fixation was 11.8 weeks. All fractures united. Pin tract infections in 7 and common peroneal neuropathy in 2 patients were self-limiting. Two patients had axial misalignment of less than 10°. At final follow-up, the mean knee range of motion was 114.7, mean AKSS 81.5 and mean RRS 16.7. On statistical analysis, Schatzker type of fractures, use of minimal internal fixation and knee-spanning did not influence the final outcome. Conclusion: Ilizarov external fixator with or without minimal internal fixation provides acceptable outcome for complex tibial plateau fractures. Care must be taken to look for minor loss of alignment, especially in Type VI Schatzker fractures after removal of the fixator. However small sample size precludes firm conclusions. | Koushik Narayan Subramanyam Madhusudhan Tammanaiah Abhishek Vasant Mundargi Ritesh Nilakanthrao Bhoskar Patllola Siddharth Reddy | 2019 | Chinese Journal of Traumatology2019，22，3： | 10 |
| 16 | Techniques for detecting protein-protein interactions in living cells:principles, limitations, and recent progress显示文摘Detecting protein-protein interactions(PPIs) provides fundamental information for understanding biochemical processes such as the transduction of signals from one cellular location to another; however, traditional biochemical techniques cannot provide sufficient spatio-temporal information to elucidate these molecular interactions in living cells. Over the past decade, several new techniques have enabled the identification and characterization of PPIs. In this review, we summarize three main techniques for detecting PPIs in vivo, focusing on their basic principles and applications in biological studies. We place a special emphasis on their advantages and limitations, and, in particular, we introduced some uncommon new techniques, such as single-molecule FRET(smFRET), FRET-fluorescence lifetime imaging microscopy(FRET-FLIM), cytoskeleton-based assay for protein-protein interaction(CAPPI) and single-molecule protein proximity index(smPPI), highlighting recent improvements to the established techniques. We hope that this review will provide a valuable reference to enable researchers to select the most appropriate technique for detecting PPIs. | Yaning Cui Xi Zhang Meng Yu Yingfang Zhu Jingjing Xing Jinxing Lin | 2019 | Science China(Life Sciences)2019，62，5： | 9 |
| 17 | Update on hepatitis B and C virus diagnosis显示文摘Viral hepatitis B and C virus(HBV and HCV) are responsible for the most of chronic liver disease worldwide and are transmitted by parenteral route, sexual and vertical transmission. One important measure to reduce the burden of these infections is the diagnosis of acute and chronic cases of HBV and HCV. In order to provide an effective diagnosis and monitoring of antiviral treatment, it is important to choose sensitive, rapid, inexpensive, and robust analytical methods. Primary diagnosis of HBV and HCV infection is made by using serological tests for detecting antigens and antibodies against these viruses. In order to confirm primary diagnosis, to quantify viral load, to determine genotypes and resistance mutants for antiviral treatment, qualitative and quantitative molecular tests are used. In this manuscript, we review the current serological and molecular methods for the diagnosis of hepatitis B and C. | Livia Melo Villar Helena Medina Cruz Jakeline Ribeiro Barbosa Cristianne Sousa Bezerra Moyra Machado Portilho Letícia de Paula Scalioni | 2015 | World Journal of Virology2015，4，4： | 9 |
| 18 | Comparison of efficacy and safety of transpancreatic septotomy, needle-knife fistulotomy or both based on biliary cannulation unintentional pancreatic access and papillary morphology显示文摘Background: Precut sphincterotomy has been widely performed to facilitate selective biliary access when standard cannulation attempts failed during endoscopic retrograde cholangiopancreatography(ERCP). However, scarce data are available on different precut techniques for difficult biliary cannulation. This study aimed to evaluate the efficacy and safety of transpancreatic septotomy(TPS), needle-knife fistulotomy(NKF) or both based on the presence of unintentional pancreatic access and papillary morphology. Methods: Between March 2008 and December 2016, 157 consecutive patients undergoing precutting for an inaccessible bile duct during ERCP were identified. Precut techniques were chosen depending on repetitive inadvertent pancreatic cannulation and the papillary morphology. We retrospectively assessed the rates of cannulation success and procedure-related complications among three groups, namely TPS, NKF, and TPS followed by NKF. Results: The baseline characteristics of the three groups were comparable. The overall success rate of biliary cannulation reached 98.1%, including 111 of 113(98.2%) with TPS, 35 of 36(97.2%) with NKF and 8 of 8(100%) with NKF following TPS, without significant difference among groups. The incidences of total complications and post-ERCP pancreatitis were 9.6% and 7.6%, respectively. There was a trend towards less frequent post-ERCP pancreatitis after NKF(0%) compared with 11 cases(9.7%) after TPS and one case(12.5%) after NKF following TPS, but not significantly different( P = 0.07). No severe adverse event occurred during this study period. Conclusions: The choice of precut techniques by the presence of unintended pancreatic access and the papillary morphology brought about a high success rate without increasing risk in difficult biliary cannulation. | Jun Wen Tao Li Yi Lu Li-Ke Bie Biao Gong | 2019 | Hepatobiliary & Pancreatic Diseases International2019，18，1： | 9 |
| 19 | Minimally invasive procedures on the lumbar spine显示文摘Degenerative disease of the lumbar spine is a common and increasingly prevalent condition that is often implicated as the primary reason for chronic low back pain and the leading cause of disability in the western world. Surgical management of lumbar degenerative disease has historically been approached by way of open surgical procedures aimed at decompressing and/or stabilizing the lumbar spine. Advances in technology andsurgical instrumentation have led to minimally invasive surgical techniques being developed and increasingly used in the treatment of lumbar degenerative disease. Compared to the traditional open spine surgery, minimally invasive techniques require smaller incisions and decrease approach-related morbidity by avoiding muscle crush injury by self-retaining retractors, preventing the disruption of tendon attachment sites of important muscles at the spinous processes, using known anatomic neurovascular and muscle planes, and minimizing collateral soft-tissue injury by limiting the width of the surgical corridor. The theoretical benefits of minimally invasive surgery over traditional open surgery include reduced blood loss, decreased postoperative pain and narcotics use, shorter hospital length of stay, faster recover and quicker return to work and normal activity. This paper describes the different minimally invasive techniques that are currently available for the treatment of degenerative disease of the lumbar spine. | Branko Skovrlj Jeffrey Gilligan Holt S Cutler Sheeraz A Qureshi | 2015 | World Journal of Clinical Cases2015，3，1： | 8 |
| 20 | Real-time Ultrasound-guided Spinal Anesthesia Using a New Paramedian Transverse Approach显示文摘Ultrasound-guided spinal anesthesia is an attracting and advanced technique. We developed a new paramedian transverse approach for real-time ultrasound-guided spinal anesthesia.Using this approach,the block can be performed with the dominant hand whether in right or left lateral decubitus or sitting position.Our preliminary experience in 42 orthopedic and obstetric patients showed it could achieve high first pass success rate with acceptable procedure time.The effectiveness and safety of this approach need further investigation by comparing it with blind technique and other ultrasound-guided techniques with well-designed randomized controlled trials. | Yong LIU Wei QIAN Xi-jian KE Wei MEI | 2018 | Current Medical Science2018，38，5： | 7 |
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