Publications by authors named "Mangus R"

This single-center retrospective study was designed to evaluate the use of basiliximab as an alternative rescue maintenance immunosuppression in situations where standard maintenance immunosuppression is not tolerated after a pancreas transplant. All pancreas transplants performed between January 11, 2006, and January 6, 2022, were reviewed. All recipients received rabbit antithymocyte globulin (rATG) induction with tacrolimus + sirolimus maintenance for simultaneous pancreas and kidney (SPK) and additional low-dose mycophenolic acid for pancreas transplant alone (PTA).

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Background: Sarcopenia at the time of liver transplantation (LT) is an established risk factor for mortality following LT. However, most studies in this context have defined sarcopenia by one-time, static measurements. The aims of this study were (I) to determine the impact of the rate of muscle loss in waitlisted LT recipients on post-LT outcomes and (II) to identify patterns of serum metabolites associated with patients with more progressive sarcopenia.

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Article Synopsis
  • - MNGIE (mitochondrial neurogastrointestinal encephalopathy syndrome) is a rare genetic disorder caused by a deficiency in thymidine phosphorylase, leading to serious issues like gastrointestinal problems, muscle weakness, and neurological symptoms.
  • - A case study highlights a 28-year-old man with MNGIE who underwent liver transplantation to improve his symptoms, but still faced ongoing gastrointestinal dysmotility and required nutritional support.
  • - After extensive rehabilitation, he received an intestine transplant 2.5 years post-liver transplant, and four years later, he is off nutritional support and gradually improving, marking a significant milestone in treating this condition.
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Background: Vascular thromboses (VT) are life-threatening events after pediatric liver transplantation (LT). Single-center studies have identified risk factors for intra-abdominal VT, but large-scale pediatric studies are lacking.

Methods: This multicenter retrospective cohort study of isolated pediatric LT recipients assessed pre- and perioperative variables to determine VT risk factors and anticoagulation-associated bleeding complications.

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  • The study investigates organ preservation techniques focusing on Histidine-tryptophan-ketoglutarate (HTK) and University of Wisconsin (UW) solutions, analyzing regional variations in flush volumes for liver and pancreas grafts.
  • Data were collected from the Indiana Donor Network over four years, covering 875 liver and 192 pancreas procurements across various U.S. centers, revealing significant differences in preservation practices.
  • It concludes that the commonly used low-volume HTK flush can be an effective cost-saving measure in organ procurement, with similar flush volumes for both HTK and UW solutions observed in the study.
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  • Liver transplantation in infants presents unique challenges, and a study compared split liver transplantation (SLT) and whole liver transplantation (WLT) in this population.
  • Researchers analyzed data from 24 infants, finding that SLT had fewer complications and better overall outcomes compared to WLT.
  • The study suggests SLT as a preferable option for liver transplants in infants, especially to address donor shortages and improve survival rates.
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Background: Simultaneous heart-kidney transplant (SHK) is an established option for patients with severe heart failure and chronic kidney disease. Recent studies in simultaneous liver-kidney transplantation demonstrate favorable outcomes achieved by delaying implantation of the kidney for over 24 h. This report describes a case series of consecutive patients listed for SHK who had planned delayed implantation of the kidney graft.

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  • This study investigates pleural effusion, a common pulmonary issue, in liver transplant recipients and its impact on health outcomes following surgery.* -
  • Out of 512 liver transplants analyzed, 21% of patients developed pleural effusion, leading to longer hospital stays, higher rates of discharge to care facilities, and increased readmission rates.* -
  • Key risk factors for pleural effusion included elevated MELD scores, previous transplants, alcoholic liver disease, and poor nutritional status, with one-year survival rates lower in affected patients.*
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  • * In a study involving 173 liver transplant patients, transthoracic echocardiography (TTE) was used to evaluate heart function one day post-surgery, revealing that 82% had hIRI, but there was no significant decline in left ventricular ejection fraction (LVEF) after the transplant.
  • * The findings suggest that while hIRI is prevalent, it does not seem to cause an immediate drop in heart function, indicating that other factors may contribute to post-transplant heart issues.
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Objectives: We aimed to determine which characteristics and management approaches were associated with postoperative invasive mechanical ventilation (IMV) and with a prolonged course of IMV in children post liver transplant as well as describing the utilization of critical care resources.

Design: Retrospective, multicenter, cohort study of children who underwent an isolated liver transplantation between January 2017 and December 2018.

Setting: Twelve U.

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  • A study at Indiana University analyzed 2024 liver transplant patients from 2001 to 2018 to assess the effects of obesity on transplant outcomes and BMI changes post-surgery.* -
  • It was found that 35% of patients had varying degrees of obesity, but there was no significant difference in patient survival or graft survival based on BMI over a 10-year follow-up.* -
  • While class III obesity didn't lead to higher mortality rates, it resulted in significant weight gain five years post-transplant, indicating the need for targeted interventions to manage weight in this group.*
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  • On February 4, 2020, liver allocation changed from Donor Service Areas to acuity circles, but the effects on waitlist outcomes for combined liver-intestine transplantation remain unclear.
  • An analysis of data from the Organ Procurement and Transplantation Network revealed that while the 90-day waitlist mortality in adults was similar before and after the change, their chances of receiving a transplant decreased significantly post-acuity circles.
  • For pediatric patients, there was no significant difference in waitlist outcomes, but both adult and pediatric patients saw a reduced proportion of transplants granted with exception points after the change, indicating a potential need for improved organ allocation strategies.
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Background: Positive crossmatch (XM+) combined liver-kidney transplantation due to preformed donor-specific human leukocyte antigen antibodies has produced mixed results. We sought to understand the role of delayed kidney transplant approach in XM+ combined liver-kidney transplantations.

Methods: XM+ combined liver-kidney transplantations were retrospectively reviewed.

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Early pancreas allograft failure most commonly results from vascular thrombosis. Immediate surgical intervention may permit pancreas allograft salvage, typically requiring thrombectomy. In cases of partial allograft necrosis secondary to splenic arterial thrombosis, distal allograft pancreatectomy may allow salvage of at least half of the pancreas allograft with retention of function.

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The role of donor-recipient body size mismatch (DRSM) on outcomes after whole liver transplantation (LT) is not clearly defined. At our center, in presence of considerable DRSM, objective assessment of the donor liver by a radiology or intraoperative evaluation by procuring surgeon was incorporated. To evaluate the impact of DRSM on graft outcomes with this approach, adult deceased donor whole liver transplants between July 2001 and December 2017 at our center were studied.

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Advancements in critical care management have led to improvement in pediatric LT outcomes. However, there are no specific guidelines for many aspects of immediate post-LT care. This survey examines practice variations in the immediate postoperative care of pediatric LT patients at a large number of active US centers.

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Background & Aims: Patients with cirrhosis and significant coronary artery disease (CAD) are at risk of peri-liver transplantation (LT) cardiac events. The coronary artery disease in liver transplantation (CAD-LT) score and algorithm aim to predict the risk of significant CAD in LT candidates and guide pre-LT cardiac evaluation.

Methods: Patients who underwent pre-LT evaluation at Indiana University (2010-2019) were studied retrospectively.

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Background: Ischemia-reperfusion injury (IRI) is a common cause of allograft dysfunction and patient morbidity in solid organ transplantation. This study compares the effect of different inhaled anesthetics on early IRI and clinical outcomes in pancreas allograft recipients.

Methods: Data were extracted retrospectively for pancreas transplants at a single center over a 15-year period.

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Unlabelled: Elderly recipients (≥70 y) account for 2.6% of all liver transplants (LTs) in the United States and have similar outcomes as younger recipients. Although the rate of elderly recipients in combined liver-kidney transplant (CLKT) is similar, limited data are available on how elderly recipients perform after CLKT.

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Type 1 diabetes (DM1) is associated with loss of skeletal muscle and bone mass and may affect body fat stores. This study employs computed tomography (CT) scans to assess the body composition of DM1 patients referred for pancreas transplant compared to healthy controls. A 1:1 case-control design matched study patients with otherwise healthy patients from the trauma database.

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