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| 1 | Intraoperative cell salvage with autologous transfusion in liver transplantation显示文摘Liver transplant(LT) is the primary treatment for patients with end-stage liver disease. About 25000 LTs are performed annually in the world. The potential for intraoperative bleeding is quite variable. However, massive bleeding is common and requires blood transfusion. Allogeneic blood transfusion has an immunosuppressive effect and an impact on recipient survival, in addition to the risk of transmission of viral infections and transfusion errors, among others.Techniques to prevent excessive bleeding or to use autologous blood have been proposed to minimize the negative effects of allogeneic blood transfusion.Intraoperative reinfusion of autologous blood is possible through previous selfdonation or blood collected during the operation. However, LT does not normally allow autologous transfusion by prior self-donation. Hence, using autologous blood collected intraoperatively is the most feasible option. The use of intraoperative blood salvage autotransfusion(IBSA) minimizes the perioperative use of allogeneic blood, preventing negative transfusion effects without negatively impacting other clinical outcomes. The use of IBSA in patients with cancer is still a matter of debate due to the theoretical risk of reinfusion of tumor cells. However, studies have demonstrated the safety of IBSA in several surgical procedures, including LT for hepatocellular carcinoma. Considering the literature available to date, we can state that IBSA should be routinely used in LT, both in patients with cancer and in patients with benign diseases. | Marcelo A Pinto Marcio F Chedid Leo Sekine Andre P Schmidt Rodrigo P Capra Carolina Prediger Jo?o E Prediger Tomaz JM Grezzana-Filho Cleber RP Kruel | 2019 | World Journal of Gastrointestinal Surgery2019，11，1： | 16 |
| 2 | Noninvasive hemodynamic monitoring of septic shock in children显示文摘Septic shock in children is associated with high mortality and morbidity. Its management is time-sensitive and must be aggressive and target oriented. The use of clinical assessment alone to differentiate between cold and warm shock and to select the appropriate inotropic and vasoactive medications is fraught with errors. Semiquantitative and quantitative assessment of the preload,contractility and afterload using non-invasive tools has been suggested,in conjunction with clinical and laboratory assessment,to direct shock management and select between vasopressors,vasodilators and inotropes or a combination of these drugs. This review aims to describe non-invasive tools to assess the hemodynamic status in septic shock including echocardiography,trans-thoracic/trans-esophageal Doppler and electrical cardiometry. As septic shock is a dynamic condition that changes markedly overtime,frequent or continuous measurement of the cardiac output(CO),systemic vascular resistance(SVR) and other hemodynamic parameters using the above-mentioned tools is essential to personalize the treatment and adapt it over time. The different combinations of blood pressure,CO and SVR serve as a pathophysiological framework to manage fl-uid therapy and titrate inotropic and vasoactive drugs. Near infrared spectroscopy is introduced as a noninvasive method to measure end organ perfusion and assess the response to treatment. | Emad Mohamed Fathi Hassib Narchi Fares Chedid | 2018 | World Journal of Methodology2018，8，1： | 7 |
| 3 | Neurally adjusted ventilator assist in very low birth weight infants:Current status显示文摘Continuous improvements in perinatal care have resultedin increased survival of premature infants.Their immature lungs are prone to injury with mechanical ventilation and this may develop into chronic lung disease(CLD) or bronchopulmonary dysplasia.Strategies to minimize the risk of lung injury have been developed and include improved antenatal management(education,regionalization,steroids,and antibiotics),exogenous surfactant administration and reduction of barotrauma by using exclusive or early noninvasive ventilatory support.The most frequently used mode of assisted ventilation is pressure support ventilation that may lead to patientventilator asynchrony that is associated with poor outcome.Ventilator-induced diaphragmatic dysfunction or disuse atrophy of diaphragm fibers may also occur.This has led to the development of new ventilation modes including neurally adjusted ventilatory assist(NAVA).This ventilation mode is controlled by electrodes embedded within a nasogastric catheter which detect the electrical diaphragmatic activity(Edi) and transmit it to trigger the ventilator in synchrony with the patient's own respiratory efforts.This permits the patient to control peak inspiratory pressure,mean airway pressure and tidal volume.Back up pressure control(PC) is provided when there is no Edi signal and no pneumatic trigger.Compared with standard conventional ventilation,NAVA improves blood gas regulation with lower peak inspiratory pressure and oxygen requirements in preterm infants.NAVA is safe mode of ventilation.The majority of studies have shown no significant adverse events in neonates ventilated with NAVA nor a difference in the rate of intraventricular hemorrhage,pneumothorax,or necrotizing enterocolitis when compared to conventional ventilation.Future large size randomized controlled trials should be established to compare NAVA with volume targeted and pressure controlled ventilation in newborns with mature respiratory drive.Most previous studies and trials were not sufficiently large and did not include longterm patient oriented outcomes.Multicenter,randomized,outcome trials are needed to determine whether NAVA is effective in avoiding intubation,facilitating extubation,decreasing time of ventilation,reducing the incidence ofCLD,decreasing length of stay,and improving long-term outcomes such as the duration of ventilation,length of hospital stay,rate of pneumothorax,CLD and other major complications of prematurity.In order to prevent barotrauma,next generations of NAVA equipment for neonatal use should enable automatic setting of ventilator parameters in the backup PC mode based on the values generated by NAVA.They should also include an upper limit to the inspiratory time as in conventional ventilation.The manufacturers of Edi catheters should produce smaller sizes available for extreme low birth weight infants.Newly developed ventilators should also include leak compensation and high frequency ventilation.A peripheral flow sensor is also essential to the proper delivery of all modes of conventional ventilation as well as NAVA. | Hassib Narchi Fares Chedid | 2015 | World Journal of Methodology2015，5，2： | 4 |
| 4 | Liver preservation prior to transplantation: Past, present, and future显示文摘Since Dr. Thomas Starzl performed the first series of successful liver transplants(LTs), important advances have been made in immunosuppression, operative techniques, and postoperative care. In 1988, Belzer's group reported the first successful LT using the University of Wisconsin preservation solution(UW).Since then, UW has replaced EuroCollins solution and allowed prolonged and safer preservation of liver, kidney, and pancreas allografts, thus contributing to the improvement of transplant outcomes. Although UW is still considered the standard of care in the United States and in several countries worldwide, a recent meta-analysis revealed similar LT outcomes among UW, Celsior solution, and the Institut Georges Lopez-1 preservation solution, which were slightly superior to those obtained with histidine-tryptophan-ketoglutarate preservation solution.Dynamic preservation has been recently developed, and liver allografts are preserved mainly through the following methods: hypothermic machine perfusion, normothermic machine perfusion, and subnormothermic machine perfusion. Their use has the potential advantage of improving clinical results in LT involving extended criteria donor allografts. Although associated with increased costs, techniques employing machine perfusion of liver allografts have been considered clinically feasible. This editorial focuses on recent advances and future perspectives in liver allograft preservation. | Marcio F Chedid Marcelo A Pinto Jose Felipe G Juchem Tomaz J M Grezzana-Filho Cleber R P Kruel | 2019 | World Journal of Gastrointestinal Surgery2019，11，3： | 4 |
| 5 | Conjugated hyperbilirubinemia presenting in first fourteen days in term neonates显示文摘AIM To describe the etiology and characteristics of earlyonset conjugated hyperbilirubinemia(ECHB) presenting within 14 d of life in term neonates.METHODS Retrospective review was performed of term infants up to 28-d-old who presented with conjugated hyperbilirubinemia(CHB) at a tertiary center over a 5-year period from January 2010 to December 2014. CHB is defined as conjugated bilirubin(CB) fraction greater than 15% of total bilirubin and CB greater or equal to 25 μmol/L. ECHB is defined as CHB detected within 14 d of life. 'Late-onset' CHB(LCHB) is detected at 15-28 d of life and served as the comparison group.RESULTS Total of 117 patients were recruited: 65 had ECHB, 52had LCHB. Neonates with ECHB were more likely to be clinically unwell(80.0% vs 42.3%, P < 0.001) and associated with non-hepatic causes(73.8% vs 44.2%, P = 0.001) compared to LCHB. Multifactorial liver injury(75.0%) and sepsis(17.3%) were the most common causes of ECHB in clinically unwell infants, majority(87.5%) had resolution of CHB with no progression to chronic liver disease. Inborn errors of metabolism were rare(5.8%) but associated with high mortality(100%) in our series. In the subgroup of clinically well infants(n = 13) with ECHB, biliary atresia(BA) was the most common diagnosis(61.5%), all presented initially with normal stools and decline in total bilirubin but with persistent CHB. CONCLUSION Secondary hepatic injury is the most common reason for ECHB. BA presents with ECHB in well infants without classical symptoms of pale stools and deep jaundice. | Fang Kuan Chiou Christina Ong Kong Boo Phua Fares Chedid Ajmal Kader | 2017 | World Journal of Hepatology2017，9，26： | 3 |
| 6 | Giant hepatic extra-gastrointestinal stromal tumor treated with cytoreductive surgery and adjuvant systemic therapy:A case report and review of literature显示文摘BACKGROUND Primary extra-gastrointestinal stromal tumors(E-GIST)of the liver are rare.The clinical presentation may range from asymptomatic to bleeding or manifestations of mass effect.Oncologic surgery followed by adjuvant therapy with imatinib is the standard of care.However,under specific circumstances,a cytoreductive approach may represent a therapeutic option.We describe herein the case of an 84-year-old woman who presented with a tender,protruding epigastric mass.Abdominal computed tomography scan revealed a large,heterogeneous mass located across segments III,IV,V,and VIII of the liver.The initial approach was transarterial embolization of the tumor,which elicited no appreciable response.Considering the large size and central location of the tumor and the advanced age of the patient,non-anatomic complete resection was indicated.Due to substantial intraoperative bleeding and hemodynamic instability,only a near-complete resection could be achieved.Histopathology and immunohistochemical staining confirmed the diagnosis of primary E-GIST of the liver.Considering the risk/benefit ratio for therapeutic options,debulking surgery may represent a strategy to control pain and prolong survival.CASE SUMMARY Here,we present a case report of a patient diagnosed with E-GIST primary of the liver,which was indicated a cytoreductive surgery and adjuvant therapy with imatinib.CONCLUSION E-GIST primary of the liver is a rare conditional,the treatment is with systemic therapy and total resection surgery.However,a cytoreductive surgery will be necessary when a complete resection is no possible. | Michel Ribeiro Fernandes Caroline Lorenzoni Almeida Ghezzi Tomaz J M Grezzana-Filho Flávia Heinz Feier Ian Leipnitz Aljamir Duarte Chedid Carlos Thadeu Schmidt Cerski Marcio Fernandes Chedid Cléber RositoPinto Kruel | 2021 | World Journal of Gastrointestinal Surgery2021，13，3： | 3 |
| 7 | A decision support technique for the design of hybrid solar-wind power systems显示文摘 | Chedid R Akiki H Rahman S | 1998 | IEEE Trans on Energy Conversion1998，13，1： | 1 |
| 8 | Impact of combination therapy on disease free survival in hypopharynx cancer显示文摘 | Chedid HM Franzi SA Rapoport A | 2010 | Rev Col Bras Cir2010，37，6： | 1 |
| 9 | Probabilistic performance assessment of autonomous solar-wind energy conversion systems 显示文摘 | KARAKI S H CHEDID R B RAMADAN R | 1999 | IEEE Trans on Energy Conversion1999，14，3： | 1 |
| 10 | Spontaneous rupture of hepatocellular carcinoma with haemoperitoneum:a rare condition in Western countries显示文摘 | Chedid AO Klein PW Tibud MF et a) | 2001 | HPB (Oxford)2001，5，5： | 1 |
| 11 | Warthin'S tumor of the parotid gland:study of 70 cases显示文摘 | Chedid HM Rapoport A Aikawa KF | 2011 | Rev Col Bras Cir2011，38，2： | 1 |
| 12 | Comparision among different ovarian stimulation regimens for assisted procreation procedures in patients with endometriosis显示文摘 | Chedid S Camus M Smitz J | 1995 | Hum Reprod1995，10，4： | 1 |
| 13 | The Complex Trial Protocol (CTP) : A new, countermeasure-resistant, accurate P300-based method for detection of concealed informa- tion 显示文摘 | Rosenfeld J P Labkovsky E Lui M A Winograd M Van- denboom C & Chedid K | 2008 | Psychophysiology2008，45，： | 1 |
| 14 | Nocardial infections : re- port of 22 cases显示文摘 | Chedid MB Chedid MF Porto NS | 2007 | Rev Inst Med Trop Sao Paulo2007，49，4： | 1 |
| 15 | Probabilistic performance assessment of autonomous solar-wind energy conversion systems显示文摘 | Karaki S H Chedid R B Ramadan R | 1999 | IEEE Transactions on Energy Conversion1999，14，3： | 1 |
| 16 | Caries preva- lence and caries risk a sample of Lebanese preschool chil- dren 显示文摘 | Chedid NR Bourqeois D Kaloostian H | 2011 | Odontostomatol Trap2011，34，134： | 1 |
| 17 | Intelligent Control for Wind Energy Conversion Systems ' 显示文摘 | Chedid R | 1998 | Wind Engineering1998，22，1： | 1 |
| 18 | Vitamin D in relation to metabolic risk factors,insulin sensitivity and adiponectin in a young Middle-Eastern population显示文摘 | Gannage-Yared M H Chedid R Khalife S | 2009 | Eur J Endocrinol2009，160，6： | 1 |
| 19 | Probabilistic perfor- mance assessment of autonomous solar-wind energy con- version systems 显示文摘 | Karaki S H Chedid R B Ramadan R | 1999 | IEEE Trans on Energy Conversion1999，14，3： | 1 |
| 20 | Induction of WAF1/CIP1 by a p53-independent pathway显示文摘 | Michieli P Chedid M Lin D | 1994 | Cancer Res1994，54，13： | 1 |
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