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World Journal of Transplantation

Katrine Rolid, Arne K Andreassen, Marianne Yardley, Elisabeth Bjørkelund, Kristjan Karason, Julia P Wigh, Christian H Dall, Finn Gustafsson, Lars Gullestad, Kari Nytrøen
AIM: To study exercise capacity and determinants of early peak oxygen consumption (VO2peak ) in a cohort of de novo heart transplant (HTx) recipients. METHODS: To determine possible central (chronotropic responses, cardiopulmonary and hemodynamic function) and peripheral factors (muscular exercise capacity and body composition) predictive of VO2peak , a number of different measurements and tests were performed, as follows: Cardiopulmonary exercise testing (CPET) was performed mean 11 wk after surgery in 81 HTx recipients > 18 years and was measured with breath by breath gas exchange on a treadmill or bicycle ergometer...
September 10, 2018: World Journal of Transplantation
Alberto Mella, Ester Gallo, Maria Messina, Cristiana Caorsi, Antonio Amoroso, Paolo Gontero, Aldo Verri, Francesca Maletta, Antonella Barreca, Fabrizio Fop, Luigi Biancone
AIM: To evaluate the role of a therapeutic regimen with plasma exchange, intravenous immunoglobulins and rituximab in chronic-active antibody-mediated rejection (cAMR) settings. METHODS: We compared 21 kidney transplant recipients (KTRs) with a diagnosis of cAMR in a retrospective case-control analysis: nine KTRs treated with plasmapheresis, intravenous immunoglobulins and rituximab (PE-IVIG-RTX group) vs 12 patients (control group) not treated with antibody-targeted therapies...
September 10, 2018: World Journal of Transplantation
Subhashini Ayloo, Sri Ram Pentakota, Michele Molinari
AIM: To compare trends in donor/recipient characteristics and outcomes using four period cohorts of liver transplant recipients from 1990 to 2009. METHODS: Seventy thousand three hundred and seventy-seven adult first-time recipients of whole-organ deceased-donor liver grafts from 1990 to 2009 were followed up until September 2013. Four periods based on transplantation dates were considered to account for developments in transplantation. Descriptive statistics were used to describe donor/recipient characteristics and transplant outcomes...
September 10, 2018: World Journal of Transplantation
Petra E de Ruiter, Yashna Gadjradj, Robert J de Knegt, Herold J Metselaar, Jan Nm Ijzermans, Luc Jw van der Laan
AIM: To investigate the specific effects of immunosuppressants on the antiviral action of daclatasvir and asunaprevir. METHODS: The antiviral activity of daclatasvir (DCV) and asunaprevir (ASV) combined with immunosuppressants was tested using two in vitro models for hepatitis C virus (HCV) infection. RESULTS: Tacrolimus, rapamycin and cyclosporine did not negatively affect the antiviral action of DCV or ASV. Mycophenolic acid (MPA) showed additive antiviral effects combined with these direct acting antivirals (DAAs)...
September 10, 2018: World Journal of Transplantation
Junji Uchida, Tomoaki Iwai, Tatsuya Nakatani
This minireview focuses on the current knowledge about the introduction of everolimus (EVL), a mammalian target of rapamycin inhibitor, with calcineurin inhibitor (CNI) elimination or minimization in kidney transplant recipients at a late posttransplant stage. Within, we have summarized two major clinical trials, ASCERTAIN and APOLLO, and seven other retrospective or nonrandomized studies. In the open-label multicenter ASCERTAIN study, the estimated glomerular filtration rate (eGFR) at 24 mo after conversion was not significantly different between three groups-EVL with CNI elimination, CNI minimization and continued CNI unchanged-at a mean of 5...
September 10, 2018: World Journal of Transplantation
Jesmar Buttigieg, Andrei Agius-Anastasi, Ajay Sharma, Ahmed Halawa
Urological complications, especially urine leaks, remain the most common type of surgical complication in the early post-transplant period. Despite major advances in the field of transplantation, a small minority of kidney transplants are still being lost due to urological problems. Many of these complications can be traced back to the time of retrieval and implantation. Serial ultrasound examination of the transplanted graft in the early post-operative period is of key importance for early detection. The prognosis is generally excellent if recognized and managed in a timely fashion...
September 10, 2018: World Journal of Transplantation
Fedaey Abbas, Mohsen El Kossi, Jon Jin Kim, Ajay Sharma, Ahmed Halawa
Thrombotic microangiopathy (TMA) is one of the most devastating sequalae of kidney transplantation. A number of published articles have covered either de novo or recurrent TMA in an isolated manner. We have, hereby, in this article endeavored to address both types of TMA in a comparative mode. We appreciate that de novo TMA is more common and its prognosis is poorer than recurrent TMA; the latter has a genetic background, with mutations that impact disease behavior and, consequently, allograft and patient survival...
September 10, 2018: World Journal of Transplantation
Giacomo Colussi, Costanza Casati, Valeriana Giuseppina Colombo, Mario Livio Pietro Camozzi, Fabio Rosario Salerno
AIM: To compare survival of kidney transplants from deceased extended criteria donors (ECD) according to: (1) donor graft histological score; and (2) allocation of high score grafts either to single (SKT) or dual (DKT) transplant. METHODS: Renal biopsy was performed as part of either a newly adopted DKT protocol, or of surveillance protocol in the past. A total 185 ECD graft recipients were categorized according to pre-implantation graft biopsy into 3 groups: SKT with graft score 1 to 4 [SKT(1-4) , n = 102]; SKT with donor graft score 5 to 8 [SKT(> 4) , n = 30]; DKT with donor graft score 5 to 7 (DKT, n = 53)...
August 9, 2018: World Journal of Transplantation
Bhavna Chopra, Kalathil K Sureshkumar
AIM: To evaluate the outcomes of transplanting marginal kidneys preemptively compared to better-quality kidneys after varying dialysis vintage in older recipients. METHODS: Using OPTN/United Network for Organ Sharing database from 2001-2015, we identified deceased donor kidney (DDK) transplant recipients > 60 years of age who either underwent preemptive transplantation of kidneys with kidney donor profile index (KDPI) ≥ 85% (marginal kidneys) or received kidneys with KDPI of 35%-84% (better quality kidneys that older wait-listed patients would likely receive if waited longer) after being on dialysis for either 1-4 or 4-8 years...
August 9, 2018: World Journal of Transplantation
Francis E Dailey, Erica P Turse, Maliha Naseer, Jack D Bragg, Veysel Tahan
Those patients with perianal Crohn's disease or ulcerative colitis experience a difficult to treat disease process with a delayed state and often inability to heal despite current therapies. The approaches currently used to treat these patients with corticosteroids, antibiotics, immunomodulators, anti-tumor necrosis factor-α drug, and surgical repair are limited in their healing ability. This review presents all current literature since emergence in the early 2000s of stem cell therapy for patients with perianal inflammatory bowel disease and analyzes the efficacy, outcomes and safety within these studies...
August 9, 2018: World Journal of Transplantation
Maurizio Salvadori, Aris Tsalouchos
Data from World Health Organization estimates that the hepatitis C virus (HCV) prevalence is 3% and approximately 71 million persons are infected worldwide. HCV infection is particularly frequent among patients affected by renal diseases and among those in dialysis treatment. In addition to produce a higher rate of any cause of death, HCV in renal patients and in renal transplanted patients produce a deterioration of liver disease and is a recognized cause of transplant glomerulopathy, new onset diabetes mellitus and lymphoproliferative disorders...
August 9, 2018: World Journal of Transplantation
Ahmed Aref, Tariq Zayan, Ajay Sharma, Ahmed Halawa
Adequate intravenous fluid therapy is essential in renal transplant recipients to ensure a good allograft perfusion. Central venous pressure (CVP) has been considered the cornerstone to guide the fluid therapy for decades; it was the only available simple tool worldwide. However, the revolutionary advances in assessing the dynamic preload variables together with the availability of new equipment to precisely measure the effect of intravenous fluids on the cardiac output had created a question mark on the future role of CVP...
June 28, 2018: World Journal of Transplantation
Nalaka Gunawansa, Roshni Rathore, Ajay Sharma, Ahmed Halawa
Due to the increased burden of infectious complications following solid organ transplantation, vaccination against common pathogens is a hugely important area of discussion and application in clinical practice. Reduction in infectious complications will help to reduce morbidity and mortality post-transplantation. Immunisation history is invaluable in the work-up of potential recipients. Knowledge of the available vaccines and their use in transplant recipients, donors and healthcare providers is vital in the delivery of quality care to transplant recipients...
June 28, 2018: World Journal of Transplantation
Vivek B Kute, Narayan Prasad, Pankaj R Shah, Pranjal R Modi
Kidney exchange transplantation is well established modality to increase living donor kidney transplantation. Reasons for joining kidney exchange programs are ABO blood group incompatibility, immunological incompatibility (positive cross match or donor specific antibody), human leukocyte antigen (HLA) incompatibility (poor HLA matching), chronological incompatibility and financial incompatibility. Kidney exchange transplantation has evolved from the traditional simultaneous anonymous 2-way kidney exchange to more complex ways such as 3-way exchange, 4-way exchange, n -way exchange,compatible pair, non-simultaneous kidney exchange,non-simultaneous extended altruistic donor, never ending altruistic donor, kidney exchange combined with desensitization, kidney exchange combined with ABO incompatible kidney transplantation, acceptable mismatch transplant, use of A2 donor to O patients, living donor-deceased donor list exchange, domino chain, non-anonymous kidney exchange, single center, multicenter, regional, National, International and Global kidney exchange...
June 28, 2018: World Journal of Transplantation
Prani Paka, Sarah R Lieber, Ruth-Ann Lee, Chirag S Desai, Robert E Dupuis, Alfred Sidney Barritt
AIM: To investigate the relationship between post-liver transplantation (LT) glycemic control and LT outcomes. METHODS: A qualitative systematic review on relevant prospective interventions designed to control glucose levels including insulin protocols. Studies investigating an association between glycemic control and post-LT outcomes such as mortality, graft rejection, and infection rate were reviewed. PubMed, EMBASE, and other databases were searched through October 2016...
June 28, 2018: World Journal of Transplantation
Liana Codes, Ygor Gomes de Souza, Ricardo Azevedo Cruz D'Oliveira, Jorge Luiz Andrade Bastos, Paulo Lisboa Bittencourt
AIM: To analyze whether fluid overload is an independent risk factor of adverse outcomes after liver transplantation (LT). METHODS: One hundred and twenty-one patients submitted to LT were retrospectively evaluated. Data regarding perioperative and postoperative variables previously associated with adverse outcomes after LT were reviewed. Cumulative fluid balance (FB) in the first 12 h and 4 d after surgery were compared with major adverse outcomes after LT. RESULTS: Most of the patients were submitted to a liberal approach of fluid administration with a mean cumulative FB over 5 L and 10 L, respectively, in the first 12 h and 4 d after LT...
April 24, 2018: World Journal of Transplantation
Taufiek Konrad Rajab
The first lung transplantation in the rat was achieved by Asimacopoulos et al using sutured anastomoses in 1971. Subsequent development of a cuffed technique to construct the anastomoses by Mizuta and colleagues in 1989 represented a breakthrough that resulted in simplification of the procedure and shorter warm ischemic times. Since then, a number of further variations on the technique of rat lung transplantation have been described. In spite of this, the procedure remains technically demanding and involves a long learning curve...
April 24, 2018: World Journal of Transplantation
Francisco Boix, Santiago Llorente, Jorge Eguía, Gema Gonzalez-Martinez, Rafael Alfaro, Jose A Galián, Jose A Campillo, María Rosa Moya-Quiles, Alfredo Minguela, Jose A Pons, Manuel Muro
AIM: To validate intracellular cytokine production functional assay as means of cell-mediated immunity monitoring of post-transplant patients with opportunistic infection (OI). METHODS: Intracellular cytokine-producing CD4+ and CD8+ T-cell monitoring was carried out in 30 liver transplant (LTr) and 31 kidney transplant (KTr) recipients from 2010 to 2012. Patients were assessed in our Department of Immunology at the Clinical University 'Hospital Virgen de la Arrixaca-IMIB' in Murcia, Spain for one year following transplantation...
February 24, 2018: World Journal of Transplantation
Giulio Sergio Roi, Giovanni Mosconi, Valentina Totti, Maria Laura Angelini, Erica Brugin, Patrizio Sarto, Laura Merlo, Sergio Sgarzi, Michele Stancari, Paola Todeschini, Gaetano La Manna, Andrea Ermolao, Ferdinando Tripi, Lucia Andreoli, Gianluigi Sella, Alberto Anedda, Laura Stefani, Giorgio Galanti, Rocco Di Michele, Franco Merni, Manuela Trerotola, Daniela Storani, Alessandro Nanni Costa
AIM: To evaluate the effect of a 12-mo supervised aerobic and resistance training, on renal function and exercise capacity compared to usual care recommendations. METHODS: Ninety-nine kidney transplant recipients (KTRs) were assigned to interventional exercise (Group A; n = 52) and a usual care cohort (Group B; n = 47). Blood and urine chemistry, exercise capacity, muscular strength, anthropometric measures and health-related quality of life (HRQoL) were assessed at baseline, and after 6 and 12 mo...
February 24, 2018: World Journal of Transplantation
Marianne Yardley, Lars Gullestad, Kari Nytrøen
One of the most important prognostic factors in heart failure patients is physical capacity. Patients with very poor physical performance and otherwise eligible, may be listed as candidates for heart transplantation (HTx). After such surgery, life-long immunosuppression therapy is needed to prevent rejection of the new heart. The dark side of immunosuppression is the increased risk of infections, kidney failure, cancer and advanced atherosclerosis (cardiac allograft vasculopathy), with the two latter conditions as the main causes of later mortality...
February 24, 2018: World Journal of Transplantation
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