Dr. Lobritto studies pediatric liver transplantation, specifically focusing on how children and their caregivers perceive the quality of life after these procedures. His research explores various treatments and practices surrounding liver transplants, such as immunosuppression methods, the use of genome sequencing for early detection of conditions, and the importance of health literacy in care transitions. He seeks to identify better practices and measures to improve patient outcomes and overall well-being in this vulnerable population.
Key findings
In a study of over 3,500 children who had liver transplants, complications like blood clots in the liver artery decreased from 7% to 5%, demonstrating improved outcomes.
Children off immunosuppression after liver transplants maintained similar health outcomes compared to those still on medication, with no graft losses, indicating that in carefully selected cases, long-term immunosuppression may not be necessary.
Up to 57% of adolescent liver transplant recipients showed limited health literacy, which impacted their ability to transition to adult care successfully, highlighting a need for targeted support.
Frequently asked questions
Does Dr. Lobritto study liver transplantation?
Yes, Dr. Lobritto focuses on improving outcomes and care for children undergoing liver transplantation.
What is the significance of the patient-caregiver discrepancy score?
The discrepancy score measures the gap between how children and caregivers rate quality of life, suggesting that closing this gap could improve post-transplant care.
Has Dr. Lobritto researched immunosuppression in pediatric transplant patients?
Yes, he has studied how different immunosuppression practices affect the outcomes of pediatric liver transplant patients and found significant variability among centers.
What does Dr. Lobritto's research say about health literacy in young transplant recipients?
His research indicates that many adolescent liver transplant recipients have limited health literacy, which can affect their readiness to transition to adult care.
What innovative screening techniques has Dr. Lobritto researched?
He explored the use of genome sequencing in newborn screening, showing it can successfully identify treatable conditions in diverse populations.
Publications in plain English
Patient-Caregiver Discrepancy Score: Multisite Evaluation of a Novel Pediatric Outcome Measure.
2026
The Journal of pediatrics
Shemesh E, Ng VL, Dunphy C, Logan S, Chessell J +14 more
Plain English This study looked at how children who had a liver transplant and their caregivers perceive the child's health-related quality of life. Researchers found that when there were bigger differences in responses between the child and caregiver, it was linked to poorer health-related quality of life, with a significant correlation of around -0.47. Understanding these discrepancies is important because reducing them could lead to better care and outcomes for children after transplantation.
The Society of Pediatric Liver Transplantation (SPLIT): 2023 Registry Status.
2025
Pediatric transplantation
Banc-Husu AM, Smith R, Kelly B, Anand R, Anderson SG +28 more
Plain English The Society of Pediatric Liver Transplantation (SPLIT) studied over 3,500 children who received their first liver transplant between 2011 and 2023, examining how outcomes have changed over time. They found that while the reasons for liver transplants remained the same, more infants under one year old were receiving them, and there was an increase in the use of special criteria to approve transplants (from 45% to 56%). Additionally, patient survival rates stayed high, and complications like blood clots in the liver artery decreased from 7% to 5%, showing improvements in liver transplant outcomes for kids.
Expanded Newborn Screening Using Genome Sequencing for Early Actionable Conditions.
2025
JAMA
Ziegler A, Koval-Burt C, Kay DM, Suchy SF, Begtrup A +45 more
Plain English The GUARDIAN study tested whether genome sequencing is a feasible addition to standard newborn screening in a racially and ethnically diverse New York City population, enrolling 4,000 newborns across six hospitals. Testing succeeded in over 99% of cases, 72% of families consented, and 3.7% of newborns had a positive screen — including for treatable conditions not currently covered by standard tests. These results show genome sequencing can be implemented at scale in diverse communities, expanding the window for early intervention.
Association Between Early Immunosuppression Center Variability and One-Year Outcomes After Pediatric Liver Transplant.
2025
Pediatric transplantation
Raghu VK, Rothenberger SD, Squires JE, Eisenberg E, Peters AL +11 more
Plain English This study looked at how different liver transplant centers manage medications given to children right after they receive a transplant. It found that centers with more consistent medication practices had a significantly lower likelihood—2.72 times less likely—of the child experiencing organ rejection within the first year. Understanding and reducing differences in these medication approaches could help improve transplant outcomes for kids.
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
Immunosuppression-Free Life after Pediatric Liver Transplant: A Case-Control Study from the Society of Pediatric Liver Transplant (SPLIT) Registry.
2024
The Journal of pediatrics
Kortbeek S, Anderson SG, Alonso EM, Rand EB, Bucuvalas J +9 more
Plain English This study looked at the long-term health of children who received liver transplants and stopped taking immunosuppressive drugs compared to those who continued on these medications. It found that among 33 children off the drugs, none needed another transplant or experienced worse health issues compared to 66 similar children who stayed on the medication, indicating they fared equally well. This is important because it shows that some pediatric liver transplant patients may be able to live without these medications safely, reducing their risk of side effects.
The impact of health literacy on adolescent and young adult pediatric liver transplant recipients.
2024
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
Baranwal P, Sathe M, Lobritto SJ, Vittorio J
Plain English This single-center study assessed health literacy in adolescent liver transplant recipients and their caregivers, finding limited health literacy in 57% of patients and 47% of caregivers. Patients with adequate health literacy showed significantly higher readiness to transition to adult care, while health literacy did not significantly affect adherence or clinical outcomes in this sample. Routinely measuring health literacy before the transfer to adult care could identify teenagers who need extra support to make that transition successfully.
Impact of early immunosuppression on pediatric liver transplant outcomes within 1 year.
2024
Journal of pediatric gastroenterology and nutrition
Raghu VK, Zhang X, Squires JE, Eisenberg E, Feldman AG +9 more
Plain English This study looked at how different early treatments to suppress the immune system affect the success of liver transplants in kids during their first year after surgery. It found that using a type of antibody called T-cell depleting antibodies can improve chances of survival in some cases but may also increase risks in others, showing contrasting results in two data sources. Overall, the research highlights the need for better teamwork among hospitals to find the best treatment strategies for these young patients.
The use of once-daily LCP-Tacrolimus with adolescent and young adult solid organ transplant recipients.
2024
Pediatric transplantation
Householder S, Ramakrishnan A, Chen JK, Gorsch L, Tsapepas D +3 more
Plain English This study tested whether a once-daily tacrolimus formulation (LCP-tacrolimus) improved medication adherence in young transplant patients aged 12 and up, who are known to struggle with daily medications. Switching to the once-daily version showed numerically better adherence by both provider assessment and a standard measurement tool, though the improvements did not reach statistical significance — likely because the group was too small. The drug was safe and effective, but did not reduce pill burden and sometimes cost more, so it may be best suited for carefully selected patients.
HERV1-env Induces Unfolded Protein Response Activation in Autoimmune Liver Disease: A Potential Mechanism for Regulatory T Cell Dysfunction.
2023
Journal of immunology (Baltimore, Md. : 1950)
Subramanian K, Paul S, Libby A, Patterson J, Arterbery A +14 more
Plain English This study looked at how a specific protein, HERV1-env, affects regulatory T cells (Tregs) in patients with autoimmune hepatitis, a liver disease where the body's immune system attacks its own liver cells. The researchers found that HERV1-env levels are higher in the Tregs of these patients, leading to stress within the cells that alters their function, which can worsen the disease. They discovered that reducing HERV1-env improves Treg function, highlighting the protein's role in immune response and liver inflammation.
Who this helps: This benefits patients with autoimmune hepatitis by offering insights into potential new treatments.
Bacteremia in Pediatric Liver Transplant Recipients.
2023
The Pediatric infectious disease journal
Lubell TR, Cruz AT, Tanverdi MS, Ochs JB, Lobritto S +3 more
Plain English This study looked at infections in children who received liver transplants, focusing on how often they experienced bacteremia (bacteria in the blood), septic shock, and bacterial meningitis in outpatient settings. Out of 336 evaluations, 5.5% had bacteremia, with more than half of those cases occurring within the first three months after the transplant. Identifying high-risk factors, like being close to the transplant date and having a central line, can help doctors manage infections better and use antibiotics more effectively.
Who this helps: This helps doctors and healthcare teams caring for pediatric liver transplant patients.
Feasibility of using a patient-reported outcome measure into clinical practice following pediatric liver transplantation: The Starzl Network experience.
2023
Pediatric transplantation
Ng VL, Dunphy C, Shemesh E, Lobritto S, Eisenberg E +18 more
Plain English Researchers looked into whether a specific quality-of-life questionnaire for kids who had liver transplants could be used easily in doctor’s offices. They found that while many parents found it easy to fill out the questionnaire on a mobile app, only two out of ten hospitals continued using it regularly due to time and staffing issues worsened by the pandemic. Making it easier for parents to use the app outside of clinic visits may help more hospitals adopt this important tool for tracking kids' well-being after surgery.
Monitoring Practices After Pediatric Liver Transplantation.
2023
Journal of pediatric gastroenterology and nutrition
Slowik V, Ryan JL, Shah AA, Lobritto SJ
Plain English A survey of pediatric liver transplant centers in the SPLIT registry documented wide variation in routine monitoring practices — including lab frequency, protocol biopsies, and imaging — after the first post-transplant year. All centers reduced monitoring over time, but practices differed substantially, and half performed routine surveillance biopsies while half did not, often because results would not change management. This snapshot of practice variation sets the stage for studies linking specific monitoring strategies to outcomes.
Safety and Immunogenicity of Live Viral Vaccines in a Multicenter Cohort of Pediatric Transplant Recipients.
2023
JAMA network open
Feldman AG, Beaty BL, Ferrolino JA, Maron G, Weidner HK +54 more
Plain English This multicenter study examined whether live vaccines for measles, mumps, rubella, and varicella are safe and effective in children who had received solid organ transplants, including 281 recipients from 18 centers. The majority of children developed protective antibody levels after vaccination, most maintained protection at one year, and serious adverse events were rare — with only five mild varicella cases and no graft rejections following vaccination. The results support reconsidering blanket restrictions on live vaccines for selected, stable pediatric transplant recipients.
The Impact of Severe Acute Respiratory Syndrome Coronavirus Type 2 on Children With Liver Diseases: A Joint European Society for Pediatric Gastroenterology, Hepatology and Nutrition and Society of Pediatric Liver Transplantation Position Paper.
2022
Journal of pediatric gastroenterology and nutrition
Nicastro E, Ebel NH, Kehar M, Czubkowski P, Ng VL +4 more
Plain English This joint position paper from two major pediatric hepatology societies synthesized evidence on how COVID-19 affects children with chronic liver disease and liver transplant recipients. Children with liver disease can develop acute liver injury from COVID-19, and those on immunosuppression may face hepatic decompensation, though severe COVID-19 is less common in children than adults. The paper provides evidence-based guidance on prevention and treatment for this vulnerable population.
Predictors of survival following liver transplantation for pediatric hepatoblastoma and hepatocellular carcinoma: Experience from the Society of Pediatric Liver Transplantation (SPLIT).
2022
American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons
Plain English This study looked at how well children with liver cancer, specifically hepatoblastoma (HB) and hepatocellular carcinoma (HCC), do after receiving a liver transplant. It found that three years after the transplant, 81% of children with HB and 62% of those with HCC were still doing well without disease complications. These findings are important because they highlight the overall good chances of survival for children undergoing liver transplants due to these cancers, helping doctors make better decisions about treating young patients with severe liver tumors.
Improvements in Disease-Specific Health-Related Quality of Life of Pediatric Liver Transplant Recipients During Immunosuppression Withdrawal.
2021
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
Mohammad S, Sundaram SS, Mason K, Lobritto S, Martinez M +4 more
Plain English This study looked at how stopping immunosuppressive medication affects the quality of life for children who received liver transplants. Over three years, the researchers found that the specific quality of life related to their liver transplant improved for all 88 participants, while their overall quality of life remained the same. It’s important because it shows that stopping immunosuppression can be safe and potentially beneficial for these young patients without harmful effects, even if some experience organ rejection.
Who this helps: Pediatric liver transplant recipients and their families.
Pharmacokinetics, Safety, and Efficacy of Glecaprevir/Pibrentasvir in Children With Chronic HCV: Part 2 of the DORA Study.
2021
Hepatology (Baltimore, Md.)
Jonas MM, Rhee S, Kelly DA, Del Valle-Segarra A, Feiterna-Sperling C +16 more
Plain English This study looked at the safety and effectiveness of a medication called glecaprevir/pibrentasvir (GLE/PIB) in treating children aged 3 to under 12 with chronic hepatitis C virus (HCV) infections. Out of 80 children treated, 96% (77) were free of the virus 12 weeks after ending treatment. The results show this medication works well and is safe for young children, which is important because effective treatments are needed to manage HCV in this age group.
Who this helps: This helps children with chronic HCV and their doctors.
Bone Fractures in Children With Cholestatic Liver Disease May Mimic Those Seen in Child Abuse.
2021
Pediatric emergency care
Goldner D, Vittorio J, Barrios DM, McGuire J, Brodlie S +3 more
Plain English This study looked at 15 children with cholestatic liver disease (CLD) who experienced bone fractures due to weakened bones, a condition that's common in these patients. It found that 5 of these children were reported for possible child abuse because their fractures resembled those typically caused by injury, not medical conditions. This matters because it highlights that doctors need to be aware that children with CLD can have broken bones from their illness, not just from abuse.
Who this helps: Patients with CLD and their families.
Concomitant tacrolimus and ketorolac therapy in pediatric liver transplant recipients: Teaching old dogma new tricks.
2021
Clinical transplantation
Chen J, Salerno D, Breslin N, Chowdhury T, Lobritto S +3 more
Plain English Researchers studied the effects of using ketorolac, a pain-relieving medication, alongside tacrolimus, a common drug given after liver transplants in children. They found that 25.8% of children receiving ketorolac experienced acute kidney injury, compared to 29.2% of those who did not, indicating safety in using both drugs together. Additionally, kids on ketorolac needed less opioid medication for pain and had shorter hospital stays.
Who this helps: This benefits pediatric liver transplant patients and their healthcare teams.
Severe Acute Respiratory Syndrome Coronavirus-2 Infection in Children With Liver Transplant and Native Liver Disease: An International Observational Registry Study.
2021
Journal of pediatric gastroenterology and nutrition
Kehar M, Ebel NH, Ng VL, Baquero JER, Leung DH +29 more
Plain English This study examined how children with liver diseases, including those who had liver transplants, were affected by COVID-19. Out of 91 children infected with the virus, those with native liver disease were more likely to need hospital care (70% compared to 43% for liver transplant patients) and even intensive care (32% vs. just 4% for transplants). The findings show that children with liver disease, particularly those with nonalcoholic fatty liver disease, face a higher risk of severe illness from COVID-19, highlighting the need for focused care and treatment strategies for these vulnerable groups.
Who this helps: This helps pediatric patients with liver disease and their healthcare providers.
A Learning Health System for Pediatric Liver Transplant: The Starzl Network for Excellence in Pediatric Transplantation.
2021
Journal of pediatric gastroenterology and nutrition
Perito ER, Squires JE, Bray D, Bucuvalas J, Krise-Confair C +17 more
Plain English The study focused on improving care for children receiving liver transplants by creating a collaborative system called the Starzl Network for Excellence in Pediatric Transplantation. The team identified key areas to improve, like medication management and patient quality of life, and found ways to share practices between hospitals to ensure every child gets consistent and effective treatment. This matters because it helps all pediatric liver transplant patients benefit from the best available research and practices, ultimately leading to better health outcomes.
The current state of pediatric transplant hepatology fellowships: A survey of recent graduates.
2021
Pediatric transplantation
Feldman AG, Squires JE, Hsu EK, Lobritto S, Mohammad S +1 more
Plain English This study looked at recent graduates of pediatric transplant hepatology (PTH) fellowships to understand their training and experiences. Out of 43 graduates, 38 responded, and most (95%) completed a research project during their fellowship. While the fellowship is widely viewed positively and 84% of graduates now work at academic transplant centers, there is inconsistency in the training each program offers, suggesting a need for better standardization.
Efficacy and Safety of Immunosuppression Withdrawal in Pediatric Liver Transplant Recipients: Moving Toward Personalized Management.
2021
Hepatology (Baltimore, Md.)
Feng S, Bucuvalas JC, Mazariegos GV, Magee JC, Sanchez-Fueyo A +23 more
Plain English This multicenter trial systematically withdrew immunosuppression over 36-48 weeks in 88 stable, long-term pediatric liver transplant recipients to identify those who had developed tolerance. Thirty-eight percent achieved operational tolerance — meaning their grafts functioned normally without any immunosuppression for at least one year. Even patients who rejected during withdrawal had reversal of rejection with treatment, and no long-term graft damage occurred in either tolerant or non-tolerant patients, supporting further investigation of immunosuppression minimization strategies.
Variation in immunosuppression practices among pediatric liver transplant centers-Society of Pediatric Liver Transplantation survey results.
2021
Pediatric transplantation
Slowik V, Lerret SM, Lobritto SJ, Voulgarelis S, Vitola BE
Plain English A survey of pediatric liver transplant centers in the SPLIT registry found that while core practices are similar — all use written protocols, tacrolimus for maintenance, and steroids for induction — significant variation exists in how centers handle ABO-incompatible grafts, presume rejection, and treat acute rejection. The survey establishes a baseline picture of current immunosuppression practices across institutions. Connecting these practice patterns to outcomes in future research will help identify best practices.
Risk Factors for 30-Day Unplanned Readmission After Hepatectomy: Analysis of 438 Pediatric Patients from the ACS-NSQIP-P Database.
2021
Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract
Kang E, Shin JI, Griesemer AD, Lobritto S, Goldner D +3 more
Plain English Liver removal surgery in children carries real risks, but population-level data on complications are limited. Using a national pediatric surgical database, researchers identified which factors—including wound class and operative time—predict unplanned readmission within 30 days of hepatectomy. These benchmarks help hospitals identify high-risk patients and plan better follow-up care.
Adherence, Medical Outcomes, and Health Care Costs in Adolescents/Young Adults Following Pediatric Liver Transplantation.
2020
Journal of pediatric gastroenterology and nutrition
Lawrence ZE, Martinez M, Lobritto S, Chen J, Breslin N +2 more
Plain English This study looked at how young people with liver transplants do after switching from child-focused to adult health care. Researchers found that after moving to adult care, 28% of the patients died, and there was a drop in regular doctor visits. They also noted an increase in health issues and health care costs following the transfer. This is important because it shows that this transition period can be risky for young liver transplant patients, highlighting the need for better support during the changeover.
Who this helps: This helps young liver transplant patients and their medical teams.
A community divided: Post-transplant live vaccine practices among Society of Pediatric Liver Transplantation (SPLIT) centers.
2020
Pediatric transplantation
Kemme S, Sundaram SS, Curtis DJ, Lobritto S, Mohammad S +1 more
Plain English This study looked at how pediatric liver transplant centers handle the use of live vaccines after transplantation, especially after new guidelines suggested they might be safe. Researchers sent surveys to 44 centers and found that only 12 (29%) provide live vaccines to post-transplant patients, each with their own eligibility rules. Many centers are still hesitant to use these vaccines due to safety concerns and lack of agreement among staff.
Who this helps: This helps pediatric liver transplant patients who may benefit from live vaccines.
Role of Budesonide for the Treatment of Rejection in Pediatric Liver Transplantation.
2020
Journal of pediatric gastroenterology and nutrition
Chen J, Ferreira J, Martinez M, Lobritto S, Goldner D +1 more
Plain English This study looked at the use of budesonide, an oral corticosteroid, to treat acute cellular rejection in children who received liver transplants. They found that 29 children showed a significant decrease in liver enzyme levels (ALT) after starting budesonide, with results improving at 1, 3, and 6 months post-treatment. This matters because it suggests that budesonide could be a safer and effective alternative to traditional steroids, which often have more side effects.
Who this helps: This helps pediatric liver transplant patients by providing a potentially safer treatment option for managing rejection.
A case of an Infant with SARS-CoV-2 hepatitis early after liver transplantation.
2020
Pediatric transplantation
Heinz N, Griesemer A, Kinney J, Vittorio J, Lagana SM +5 more
Plain English This study focuses on a 6-month-old baby who received a liver transplant and was diagnosed with COVID-19 just four days later. After initially recovering well, her liver enzyme levels rose significantly, indicating liver irritation, but her condition improved after treatment with hydroxychloroquine and other medications. This finding highlights the potential complications that COVID-19 can cause in young liver transplant patients and the importance of monitoring and adjusting their treatment.
Who this helps: This helps pediatric patients who have undergone liver transplants and their healthcare providers.
Plain English This study looked at how the COVID-19 pandemic affected children with chronic health issues and those needing organ transplants. It found that during the first six months of the pandemic, pediatric transplant programs in the U.S. faced delays and significant differences in how regions responded, with living-related transplants being particularly affected. Understanding these impacts is important because it helps improve care and guidelines for these vulnerable children as they navigate their health needs during and after the pandemic.
Ombitasvir, Paritaprevir, Ritonavir, and Dasabuvir Mini-Tabs Plus Ribavirin for Children Aged 3-11 Years with Hepatitis C Genotype 1a.
2020
Advances in therapy
Rosenthal P, Narkewicz MR, Yao BB, Jolley CD, Lobritto SJ +7 more
Plain English This study looked at the effectiveness and safety of a combination treatment using mini-tablets for children aged 3 to 11 with a specific type of Hepatitis C. Out of 26 children treated for 12 weeks, 25 achieved a cure rate of 96%, with only one child not completing treatment. The treatment was generally safe, with only a few serious side effects noted, meaning it could be a good option for young children suffering from this illness.
A learning health network for pediatric liver transplantation: Inaugural meeting report from the Starzl Network for Excellence in Pediatric Transplantation.
2019
Pediatric transplantation
Squires JE, Logan B, Lorts A, Haskell H, Sisaithong K +15 more
Plain English This study focused on a new network called the Starzl Network for Excellence in Pediatric Transplantation, which aims to enhance pediatric liver transplantation. During its first meeting, various stakeholders, including medical professionals and patient families, collaborated to address challenges and opportunities in transplant care. The goal is to improve the overall outcomes for children needing liver transplants by sharing knowledge and strategies.
Who this helps: This benefits patients, their families, and healthcare providers involved in pediatric liver transplantation.
Partial Splenic Embolization Is a Safe and Effective Alternative in the Management of Portal Hypertension in Children.
2019
Journal of pediatric gastroenterology and nutrition
Vittorio J, Orellana K, Martinez M, Ovchinsky N, Schlossberg P +2 more
Plain English This study looked at a treatment called partial splenic embolization (PSE) for children with portal hypertension, which can cause serious bleeding and low platelet counts. Researchers reviewed the results for 26 patients aged between 18 months and 20 years who received PSE between 2010 and 2017. They found that 80% of the children had improved platelet counts after the treatment, and only a few needed further therapies for related complications, making PSE a safe and effective option that helps preserve spleen function.
Who this helps: This treatment benefits children with portal hypertension and their healthcare providers.
A Novel PathogenicVariant in a Sudanese Child with Type 1 Crigler-Najjar Syndrome.
2019
Drug metabolism and disposition: the biological fate of chemicals
Elfar W, Järvinen E, Ji W, Mosorin J, Sega AG +6 more
Plain English This case report describes a Sudanese child with Crigler-Najjar syndrome type 1 — a severe inherited inability to process bilirubin — in whom standard genetic testing failed to find a known mutation. A novel homozygous gene variant was identified, and laboratory testing confirmed it completely blocks the relevant enzyme's function. The case highlights that genetic diversity across populations means known mutation panels miss some patients, arguing for broader inclusion of diverse populations in genomic research.
Outcomes of surgical management of familial intrahepatic cholestasis 1 and bile salt export protein deficiencies.
2018
Hepatology communications
Bull LN, Pawlikowska L, Strautnieks S, Jankowska I, Czubkowski P +19 more
Plain English This study examined the effectiveness of different surgical options for patients with two types of genetic liver diseases: familial intrahepatic cholestasis 1 (FIC1) and bile salt export protein (BSEP) deficiencies. Researchers looked at 102 patients who underwent surgeries like biliary diversion and liver transplantation. They found that while biliary diversion helped improve symptoms for many, BSEP patients with certain mutations had better long-term outcomes, needing fewer transplants, while FIC1 patients often faced ongoing complications after surgery.
Who this helps: This research benefits patients with FIC1 and BSEP deficiencies, as well as their doctors in making treatment decisions.
Inflammasome Priming MediatedToll-Like Receptors 2 and 4, Induces Th1-Like Regulatory T Cells inAutoimmune Hepatitis.
2018
Frontiers in immunology
Arterbery AS, Yao J, Ling A, Avitzur Y, Martinez M +7 more
Plain English This research focused on understanding the immune system's role in autoimmune hepatitis (DAIH), a condition that can harm liver transplant patients. The study found that certain immune cells, when activated by specific signals, continue to produce a protein that keeps the inflammation going, worsening the condition. In contrast, liver transplant patients without DAIH showed lower levels of this inflammatory activity, indicating a potential path to better treatment options.
Who this helps: This research benefits patients with autoimmune hepatitis and their doctors by providing insights that could lead to improved therapies.
Lysosomal acid lipase deficiency allograft recurrence and liver failure- clinical outcomes of 18 liver transplantation patients.
2018
Molecular genetics and metabolism
Bernstein DL, Lobritto S, Iuga A, Remotti H, Schiano T +2 more
Plain English This study looked at patients with lysosomal acid lipase deficiency (LAL-D) who received liver transplants. Among 18 cases examined, 61% experienced a return of disease symptoms, and 33% died after transplantation. While liver transplants can help patients with liver failure, the study found that they do not stop the disease's progression because the underlying problem is related to a lack of an important enzyme.
Who this helps: Patients with lysosomal acid lipase deficiency and their doctors.
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
Evidence of Chronic Allograft Injury in Liver Biopsies From Long-term Pediatric Recipients of Liver Transplants.
2018
Gastroenterology
Feng S, Bucuvalas JC, Demetris AJ, Burrell BE, Spain KM +21 more
Plain English This cross-sectional study biopsied 157 apparently healthy pediatric liver transplant recipients with consistently normal liver tests to look for hidden chronic graft injury. Subclinical inflammation or fibrosis was found in most patients, with those showing interface activity on biopsy having a gene expression pattern linked to T-cell-mediated rejection. The findings challenge the assumption that normal blood tests mean a healthy graft, and suggest silent immune activity may be damaging livers even when children appear well.
Ombitasvir/Paritaprevir/Ritonavir With or Without Dasabuvir and With or Without Ribavirin for Adolescents With HCV Genotype 1 or 4.
2018
Hepatology communications
Leung DH, Wirth S, Yao BB, Viani RM, Gonzalez-Peralta RP +13 more
Plain English This study examined a treatment for hepatitis C in adolescents aged 12 to 17, using a combination of medications for 12 to 24 weeks. All 38 participants responded positively, achieving a 100% success rate in clearing the virus after treatment, with no serious side effects reported. This is significant because it shows that an effective treatment option available for adults can also work safely and effectively for teens with hepatitis C.
Growth of liver allografts over time in pediatric transplant recipients.
2018
Pediatric transplantation
Chaudhry SG, Bentley-Hibbert S, Stern J, Lobritto S, Martinez M +7 more
Plain English This single-center study tracked how donor livers change in size as pediatric transplant recipients grow over 10 years. Liver volume grew by 59% by five years and 170% by 10 years post-transplant, closely matching expected liver size for the child's height and weight by year five. The findings confirm that transplanted livers in children adapt appropriately to the recipient's growth, which has practical implications for graft sizing decisions at the time of transplant.
Durable Clinical and Immunologic Advantage of Living Donor Liver Transplantation in Children.
2018
Transplantation
Przybyszewski EM, Verna EC, Lobritto SJ, Martinez M, Vittorio JM +5 more
Plain English Children who receive livers from living donors—usually parents—have better long-term outcomes than those receiving deceased-donor organs, but living donor transplants remain rare in the U.S. This study found that living-donor recipients also showed immunological advantages, with lower rejection rates likely tied to the partial genetic match with a parent donor. The data make a strong case for expanding living donor programs for children.
Liver atrophy and regeneration in noncirrhotic portal vein thrombosis: Effect of surgical shunts.
2018
Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
Elnaggar AS, Griesemer AD, Bentley-Hibbert S, Brown RS, Martinez M +3 more
Plain English In patients without cirrhosis, portal vein blockage can cause parts of the liver to shrink while others compensate. This study examined liver atrophy patterns in such patients and found that surgical shunts to relieve portal hypertension allowed meaningful liver regeneration. These findings support surgical intervention rather than watchful waiting in non-cirrhotic portal vein thrombosis.
Roux-en-Y enterolith leading to obstruction and ischemic necrosis after pediatric orthotopic liver transplantation.
2018
Pediatric transplantation
Quillin RC, Bongu A, Kasper V, Vittorio JM, Martinez M +3 more
Plain English A 12-year-old boy who had received a liver transplant as an infant developed a stone in his intestine that blocked food from moving through his bowel, cutting off blood flow to that section of intestine and causing it to die. Doctors had to remove the damaged intestine and rebuild his surgical connection between the liver and intestine to fix the problem.
**Why it matters:** This rare complication should be on doctors' radar when transplant patients develop fever and stomach pain, and it shows that sometimes fixing the underlying anatomy—not just treating the stone—prevents the problem from happening again.
Portopulmonary hypertension in children: a rare but potentially lethal and under-recognized disease.
2017
Pulmonary circulation
Tingo J, Rosenzweig EB, Lobritto S, Krishnan US
Plain English This study looked at a serious condition called portopulmonary hypertension (PoPH) in children, which affects blood pressure in both the liver and lungs. The researchers reviewed the cases of five pediatric patients diagnosed with PoPH, finding that three of them (60%) died despite receiving targeted treatments. The average time from diagnosis to death was between three days and three years, highlighting the urgent need for better ways to diagnose and treat this dangerous condition early.
Who this helps: This helps children with portopulmonary hypertension and their families by highlighting the need for improved care options.
Steven J Lobritto Mercedes Martinez Vicky L Ng George V Mazariegos Daniel H Leung James E Squires Amy G Feldman Jennifer Vittorio Nitika A Gupta Regino P Gonzalez-Peralta
Physician data sourced from the
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Plain-English summaries generated by AI.
Not medical advice.