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Rodriguez-Davalos MI, Lopez-Verdugo F, Kasahara M, Muiesan P, Reddy MS, Flores-Huidobro Martinez A, Xia Q, Hong JC, Niemann CU, Seda-Neto J, Miloh TA, Yi NJ, Mazariegos GV, Ng VL, Esquivel CO, Lerut J, Rela M. International Liver Transplantation Society Global Census: First Look at Pediatric Liver Transplantation Activity Around the World. Transplantation 2023; 107:2087-2097. [PMID: 37750781 DOI: 10.1097/tp.0000000000004644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
BACKGROUND Over 16 000 children under the age of 15 died worldwide in 2017 because of liver disease. Pediatric liver transplantation (PLT) is currently the standard of care for these patients. The aim of this study is to describe global PLT activity and identify variations between regions. METHODS A survey was conducted from May 2018 to August 2019 to determine the current state of PLT. Transplant centers were categorized into quintile categories according to the year they performed their first PLT. Countries were classified according to gross national income per capita. RESULTS One hundred eight programs from 38 countries were included (68% response rate). 10 619 PLTs were performed within the last 5 y. High-income countries performed 4992 (46.4%) PLT, followed by upper-middle- (4704 [44·3%]) and lower-middle (993 [9·4%])-income countries. The most frequently used type of grafts worldwide are living donor grafts. A higher proportion of lower-middle-income countries (68·7%) performed ≥25 living donor liver transplants over the last 5 y compared to high-income countries (36%; P = 0.019). A greater proportion of programs from high-income countries have performed ≥25 whole liver transplants (52.4% versus 6.2%; P = 0.001) and ≥25 split/reduced liver transplants (53.2% versus 6.2%; P < 0.001) compared to lower-middle-income countries. CONCLUSIONS This study represents, to our knowledge, the most geographically comprehensive report on PLT activity and a first step toward global collaboration and data sharing for the greater good of children with liver disease; it is imperative that these centers share the lead in PLT.
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Affiliation(s)
- Manuel I Rodriguez-Davalos
- Liver Transplant Unit, Intermountain Primary Children's Hospital and the Center for Global Surgery, University of Utah, Salt Lake City, UT
| | - Fidel Lopez-Verdugo
- Liver Transplant Unit, Intermountain Primary Children's Hospital and the Center for Global Surgery, University of Utah, Salt Lake City, UT
- School of Medicine, Tecnologico de Monterrey, Mexico City, Mexico
| | - Mureo Kasahara
- Organ Transplantation Center, National Center for Child Health and Development, Tokyo, Japan
| | - Paolo Muiesan
- Liver Unit, Birmingham Children's Hospital NHS Foundation Trust, Birmingham, United Kingdom
| | - Mettu S Reddy
- The Institute of Liver Disease and Transplantation, Dr. Rela Institute and Medical Centre, and Bharath Institute of Higher Education and Research, Chennai, India
| | - Angel Flores-Huidobro Martinez
- Liver Transplant Unit, Intermountain Primary Children's Hospital and the Center for Global Surgery, University of Utah, Salt Lake City, UT
- School of Medicine, Universidad Anahuac, Mexico City, Mexico
| | - Qiang Xia
- Department of Liver Surgery and Liver Transplantation, Renji Hospital, Shanghai, People's Republic of China
| | - Johnny C Hong
- Division of Transplant Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, WI
| | - Claus U Niemann
- Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, CA
- Department of Surgery, University of California San Francisco, San Francisco, CA
| | - Joao Seda-Neto
- Department of Hepatology and Liver Transplantation, Hospital Sirio-Libanes, Sao Paulo, Brazil
| | - Tamir A Miloh
- Miami Transplant Institute, University of Miami, Miami, FL
| | - Nam-Joon Yi
- Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - George V Mazariegos
- Hillman Center for Pediatric Transplantation, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Vicky L Ng
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, and Transplant and Regenerative Medicine Center, The Hospital for Sick Children (SickKids), University of Toronto, Toronto, Canada
| | - Carlos O Esquivel
- Department of Abdominal Transplantation, Stanford University Medical Center, Palo Alto, CA
| | - Jan Lerut
- Institute for Experimental and Clinical Research, Université Catholique Louvain, Brussels, Belgium
| | - Mohamed Rela
- The Institute of Liver Disease and Transplantation, Dr. Rela Institute and Medical Centre, and Bharath Institute of Higher Education and Research, Chennai, India
- Institute of Liver Studies, King's College Hospital, London, United Kingdom
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Lozada-Martinez ID, Visconti-Lopez FJ, Marrugo-Ortiz AC, Ealo-Cardona CI, Camacho-Pérez D, Picón-Jaimes YA. Research and Publication Trends in Pediatric Surgery in Latin America: A Bibliometric and Visual Analysis from 2012 to 2021. J Pediatr Surg 2023; 58:2012-2019. [PMID: 37147162 DOI: 10.1016/j.jpedsurg.2023.04.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/28/2023] [Accepted: 04/06/2023] [Indexed: 05/07/2023]
Abstract
INTRODUCTION Pediatric surgery is a developing specialty with increasing volume in Latin America. However, the research and scientific activity trends carried out in this region in recent years are unknown. This study aimed to analyze and visualize Latin American research in pediatric surgery from 2012 to 2021. MATERIAL AND METHODS Bibliometric cross-sectional study of scientific articles on pediatric surgery published by Latin American authors from 2012 to 2021 in Scopus was performed. Statistical and visual analysis was performed with R programming language and VOS viewer. RESULTS 449 articles were found. Observational studies (44.7%; n = 201), case reports (20.4%; n = 92) and narrative reviews (11.4%; n = 51) were found to be the most common study designs. The published articles were predominantly monocentric (73.1%; n = 328), only 17% (n = 76) involved authors from 2 or more countries, and mostly there was no collaboration with high-income countries (80.6%; n = 362). The Journal of Pediatric Surgery was the journal with the highest volume of articles published (n = 37). The most used terms were Laparoscopy, Complications, and Liver Transplantation, and the countries with the highest number of articles published were Brazil and Argentina. CONCLUSIONS This study found a progressive increase in the scientific activity of Latin authors in pediatric surgery from 2012 to 2021. The evidence produced was mainly from observational studies and case reports, predominantly conducted in Brazil. Multinational and international collaboration was low; the most frequent topics of interest were laparoscopy and minimally invasive surgery. LEVELS OF EVIDENCE IV.
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Affiliation(s)
- Ivan David Lozada-Martinez
- Medical and Surgical Research Center, Future Surgeons Chapter, Colombian Surgery Association, Bogotá, Colombia; Epidemiology Program, Department of Graduate Studies in Health Sciences, Universidad Autónoma de Bucaramanga, Bucaramanga, Colombia.
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Estrada-Arce EV, Aguila-Cano R, Lona-Reyes JC, Flores-Fong LE, Rivera-Chávez E. Poor Access to Liver Transplantation and Survival of Children With Acute Liver Failure, Acute-on-chronic Liver Failure or Chronic Liver Disease. JPGN REPORTS 2023; 4:e318. [PMID: 37600617 PMCID: PMC10435031 DOI: 10.1097/pg9.0000000000000318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/02/2023] [Indexed: 08/22/2023]
Abstract
We describe the survival of children with acute liver failure (ALF), chronic liver disease (CLD), or acute-on-chronic liver failure (ACLF) with poor access to liver transplantation (LT). A retrospective cohort study of 42 patients <18 years of age was conducted in the Hospital Civil de Guadalajara "Dr. Juan I. Menchaca". The median age was 76 months; 57.1% were female, 40.5% presented with ALF, 35.7% with CLD, and 23.8% with ACLF. Also, 38.1% (16/42) presented liver disease of unknown etiology. Death occurred in 45.2%; 14.3% were transferred to another hospital, and none received LT. Mortality in ALF, CLD, and ACLF was 76%, 0%, and 60%, respectively. In the survival analysis, within the first 20 months after diagnosis, the mortality rate was greater than 50% with ALF. The importance of having referral programs that perform liver transplantation is highlighted by the poor prognosis of the patients, despite conservative treatment.
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Affiliation(s)
- Emma Valeria Estrada-Arce
- From the Pediatric Gastroenterology Service, Hospital Civil de Guadalajara "Dr. Juan I. Menchaca" Salvador Quevedo y Zubieta, Guadalajara, Jalisco, México
- Universidad de Guadalajara, University Center for Health Sciences
| | - Renata Aguila-Cano
- From the Pediatric Gastroenterology Service, Hospital Civil de Guadalajara "Dr. Juan I. Menchaca" Salvador Quevedo y Zubieta, Guadalajara, Jalisco, México
- Universidad de Guadalajara, University Center for Health Sciences
| | - Juan Carlos Lona-Reyes
- Pediatric Infectology Service, Hospital Civil de Guadalajara "Dr. Juan I. Menchaca"
- Universidad de Guadalajara, Tonalá University Center
| | - Laura Esther Flores-Fong
- From the Pediatric Gastroenterology Service, Hospital Civil de Guadalajara "Dr. Juan I. Menchaca" Salvador Quevedo y Zubieta, Guadalajara, Jalisco, México
- Universidad de Guadalajara, University Center for Health Sciences
| | - Elva Rivera-Chávez
- From the Pediatric Gastroenterology Service, Hospital Civil de Guadalajara "Dr. Juan I. Menchaca" Salvador Quevedo y Zubieta, Guadalajara, Jalisco, México
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Liver Diseases in Latin America: Current Status, Unmet Needs, and Opportunities for Improvement. CURRENT TREATMENT OPTIONS IN GASTROENTEROLOGY 2022; 20:261-278. [PMID: 35729970 PMCID: PMC9202671 DOI: 10.1007/s11938-022-00382-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 04/06/2022] [Indexed: 02/07/2023]
Abstract
Purpose of review
To assess the current challenges regarding liver diseases, including the burden of disease, access to care, screening, and treatment needs in Latin America. Recent findings Latin America is a region with a rich multicultural heritage and important socioeconomic differences. The burden of liver diseases is high and mainly determined by a high level of alcohol intake and the surge of risk factors associated with NAFLD (i.e., sedentary lifestyles, broader access to highly processed foods, obesity, and type 2 diabetes mellitus). Hepatotropic viruses also play a role in the development of chronic liver diseases, although their comparative frequency has been decreasing over the last decades. There are important disparities in access to screening and treatment for liver diseases in Latin America, which are reflected in low access to critical treatments such as direct-acting antiviral agents and drugs to treat hepatocellular carcinoma. Also, important barriers to liver transplantation are present in multiple countries, including a low deceased donors’ rate and a lack of availability in several countries (especially in Central America). Our region also has disadvantages in research and education in liver diseases, which limits regional academic development and improvement in quality of care of liver diseases. Summary In order to tackle an increasing health burden due to liver diseases, Latin America urgently needs tailored interventions aiming to control the main risk factors for these disorders through the establishment of effective public health policies. Also, development of liver transplantation programs and improvement of medical education and research capabilities as well as extensive collaboration between all stakeholders are keys to address the liver disease agenda in the region.
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George M, Thomas G, Karpelowsky J. Pediatric transplantation: An international perspective. Semin Pediatr Surg 2022; 31:151192. [PMID: 35725047 DOI: 10.1016/j.sempedsurg.2022.151192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The international practice of transplant in the pediatric population is heterogenous. Global trends in pediatric transplant activity are increasing, with diffusion of transplant activities into developing and emerging economies. There have been impacts of the COVID-19 pandemic which have in the earlier part of the pandemic caused a decrease in the number of transplants. While deceased donor programs are well established in advanced economies, emerging and developing countries rely heavily on live donor programs. Prioritization of organs for children exists in different forms throughout the world. Pediatric transplantation as a sub-specialty is young but growing around the world with a need to train surgeons and physicians in this discipline. Outreach efforts with multi-national and multi-institutional partnerships have enabled resource poor countries to establish new transplant programs for children. Further international collaboration, good quality data collection and audit, prospective research and ongoing mentorship and education are needed to further improve outcomes of all children receiving solid organ transplants.
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Affiliation(s)
- Mathew George
- Department of Surgery, Children's Hospital at Westmead, Australia
| | - Gordon Thomas
- Department of Surgery, Children's Hospital at Westmead, Division of Child and Adolescent Health, Sydney Medical School, University of Sydney, Australia
| | - Jonathan Karpelowsky
- Department of Surgery, Children's Hospital at Westmead, Children's Cancer Research Unit, Kids Research Institute, Division of Child and Adolescent Health, Sydney Medical School, University of Sydney, Westmead, NSW, Australia.
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Franco J, Vizcaya D. Availability of secondary healthcare data for conducting pharmacoepidemiology studies in Colombia: A systematic review. Pharmacol Res Perspect 2020; 8:e00661. [PMID: 32965783 PMCID: PMC7510335 DOI: 10.1002/prp2.661] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 08/26/2020] [Accepted: 08/27/2020] [Indexed: 12/12/2022] Open
Abstract
Real-world evidence (RWE) is emerging as a fundamental component of the post-marketing evaluation of medicinal products. Even though the focus on RWE studies has increased in Colombia, the availability of secondary data sources to perform this type of research is not well documented. Thus, we aimed at identifying and characterizing secondary data sources available in Colombia. We performed a systematic literature review on PubMed, EMBASE, and VHL using a combination of controlled vocabulary and keywords for the concepts of electronic health records, epidemiologic studies and Colombia. A total of 323 publications were included. These comprised 123 identified secondary data sources including pharmacy dispensing databases, government datasets, disease registries, insurance databases, and electronic heath records, among others. These data sources were mostly used for cross-sectional studies focused on disease epidemiology in a specific population. Almost all databases (95%) contained demographic information, followed by pharmacological treatment (44%) and diagnostic tests (39%). Even though the database owner was identifiable in 94%, access information was only available in 44% of the articles. Only a pharmacy-dispensing database, local cancer registries, and government databases included a description regarding the quality of the information available. The diversity of databases identified shows that Colombia has a high potential to continue enhancing its RWE strategy. Greater efforts are required to improve data quality and accessibility. The linkage between databases will expand data pooling and integration to boost the translational potential of RWE.
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Affiliation(s)
- Wellington Andraus
- División de Trasplante de Órganos Digestivos, Departamento de GastroenterologíaFacultad de Medicina de la Universidad de São PauloSão PauloBrasil
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Andraus W. Barriers and Limitations to Access to Liver Transplantation in Latin America. Clin Liver Dis (Hoboken) 2019; 13:36-38. [PMID: 31139352 PMCID: PMC6465792 DOI: 10.1002/cld.763] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 09/11/2018] [Indexed: 02/04/2023] Open
Affiliation(s)
- Wellington Andraus
- Digestive Organs Transplant Division, Gastroenterology DepartmentSao Paulo University School of MedicineSao PauloBrazil
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Vicentine FPP, Gonzalez AM, Beninni BB, Azevedo RAD, Linhares MM, Goldenberg A, Lopes GDJ, Martins JL, Salzedas AA. Use of fibrinogen and thrombin sponge in pediatric split liver transplantation. Acta Cir Bras 2017; 32:673-679. [PMID: 28902943 DOI: 10.1590/s0102-865020170080000009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 07/18/2017] [Indexed: 12/24/2022] Open
Abstract
Purpose: To analyze the use of this sponge in pediatric patients undergoing split-liver transplantation. Methods: Retrospective study, including 35 pediatric patients undergoing split-liver transplantation, divided into two groups according to the use of the sponge: 18 patients in Group A (no sponge) and 17 in Group B (with sponge). Results: The characteristics of recipients and donors were similar. We observed greater number of reoperation due to bleeding in the wound area in Group A (10 patients - 55.5%) than in Group B (3 patients - 17.6%); p = 0.035. The median volume of red blood cells transfused in Group A was significantly higher (73.4 ± 102.38 mL/kg) than that in Group B (35.1 ± 41.67 mL/kg); p = 0.048. Regarding bile leak there was no statistical difference. Conclusion: The use of the human fibrinogen and thrombin sponge, required lower volume of red blood cell transfusion and presented lower reoperation rates due to bleeding in the wound area.
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Affiliation(s)
- Fernando Pompeu Piza Vicentine
- Fellow PhD degree, Postgraduate Program in Interdisciplinary Surgical Sciences, Universidade Federal de São Paulo (UNIFESP), Brazil. Conception and design of the study; acquisition, analysis and interpretation of data; statistics analysis; final approval of the version to be published
| | - Adriano Miziara Gonzalez
- PhD, Associate Professor, Division of Surgical Gastroenterology, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Conception and design of the study; acquisition, analysis and interpretation of data; drafting the article; technical procedures, final approval of the version to be published
| | - Barbara Burza Beninni
- Associate Professor, Division of Surgical Gastroenterology, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Intellectual content of the study; acquisition, analysis and interpretation of data
| | - Ramiro Anthero de Azevedo
- PhD, Associate Professor, Division of Pediatric Surgery, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Conception and design of the study, analysis and interpretation of data, final approval of the version to be published
| | - Marcelo Moura Linhares
- PhD, Associate Professor, Division of Surgical Gastroenterology, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Conception and design of the study; acquisition, analysis and interpretation of data; drafting the article; technical procedures, final approval of the version to be published
| | - Alberto Goldenberg
- PhD, Chairman, Division of Surgical Gastroenterology, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Intellectual content of the study, final approval of the version to be published
| | - Gaspar de Jesus Lopes
- PhD, Chairman, Division of Surgical Gastroenterology, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Intellectual content of the study, final approval of the version to be published
| | - Jose Luiz Martins
- PhD, Associate Professor, Division of Pediatric Surgery, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Conception and design of the study, analysis and interpretation of data, final approval of the version to be published
| | - Alcides Augusto Salzedas
- PhD, Associate Professor, Division of Pediatric Surgery, Department of Surgery, UNIFESP, Sao Paulo-SP, Brazil. Conception and design of the study, analysis and interpretation of data, final approval of the version to be published
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Abstract
Abdominal solid-organ transplantation has revolutionized the life of children with end-stage organ failure. The international practice of transplant in the pediatric population is heterogeneous. Global trends in pediatric transplant activity are increasing, with diffusion of transplant activities into developing and emerging economies. The organization of deceased donor programs varies internationally (with strong association to a country's gross domestic product (GDP) per capita and health spending). While deceased donor programs are well established in advanced economies, emerging and developing countries rely heavily on living donor programs. There are efforts underway to increase availability of pediatric and neonatal donor organs. Prioritization of organs for children exists in different forms throughout the world. Pediatric transplantation as a subspecialty is young but growing around the world with a need to train surgeons and physicians in this discipline. Outreach efforts with multinational and multi-institutional partnerships have enabled resource poor countries to establish new transplant programs for children. Further international collaboration, good quality data collection and audit, prospective research and ongoing mentorship, and education are needed to further improve outcomes of all children receiving solid-organ transplants.
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Affiliation(s)
- Michael Collin
- Department of Surgery, Children's Hospital at Westmead, Locked Bag 4001, Westmead, New South Wales, Australia
| | - Jonathan Karpelowsky
- Department of Surgery, Children's Hospital at Westmead, Locked Bag 4001, Westmead, New South Wales, Australia; Children's Cancer Research Unit, Kids Research Institute, Westmead, New South Wales, Australia; Division of Child and Adolescent Health, University of Sydney, Sydney, New South Wales, Australia
| | - Gordon Thomas
- Department of Surgery, Children's Hospital at Westmead, Locked Bag 4001, Westmead, New South Wales, Australia; Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.
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