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1.
J Hepatol ; 73(4): 873-881, 2020 10.
Artículo en Inglés | MEDLINE | ID: mdl-32454041

RESUMEN

BACKGROUND & AIMS: The outbreak of COVID-19 has vastly increased the operational burden on healthcare systems worldwide. For patients with end-stage liver failure, liver transplantation is the only option. However, the strain on intensive care facilities caused by the pandemic is a major concern. There is an urgent need for ethical frameworks to balance the need for liver transplantation against the availability of national resources. METHODS: We performed an international multicenter study of transplant centers to understand the evolution of policies for transplant prioritization in response to the pandemic in March 2020. To describe the ethical tension arising in this setting, we propose a novel ethical framework, the quadripartite equipoise (QE) score, that is applicable to liver transplantation in the context of limited national resources. RESULTS: Seventeen large- and medium-sized liver transplant centers from 12 countries across 4 continents participated. Ten centers opted to limit transplant activity in response to the pandemic, favoring a "sickest-first" approach. Conversely, some larger centers opted to continue routine transplant activity in order to balance waiting list mortality. To model these and other ethical tensions, we computed a QE score using 4 factors - recipient outcome, donor/graft safety, waiting list mortality and healthcare resources - for 7 countries. The fluctuation of the QE score over time accurately reflects the dynamic changes in the ethical tensions surrounding transplant activity in a pandemic. CONCLUSIONS: This four-dimensional model of quadripartite equipoise addresses the ethical tensions in the current pandemic. It serves as a universally applicable framework to guide regulation of transplant activity in response to the increasing burden on healthcare systems. LAY SUMMARY: There is an urgent need for ethical frameworks to balance the need for liver transplantation against the availability of national resources during the COVID-19 pandemic. We describe a four-dimensional model of quadripartite equipoise that models these ethical tensions and can guide the regulation of transplant activity in response to the increasing burden on healthcare systems.


Asunto(s)
Infecciones por Coronavirus/epidemiología , Enfermedad Hepática en Estado Terminal , Recursos en Salud/tendencias , Trasplante de Hígado , Pandemias , Neumonía Viral/epidemiología , Obtención de Tejidos y Órganos , Betacoronavirus , COVID-19 , Enfermedad Hepática en Estado Terminal/mortalidad , Enfermedad Hepática en Estado Terminal/cirugía , Humanos , Cooperación Internacional , Trasplante de Hígado/ética , Trasplante de Hígado/métodos , Innovación Organizacional , Pandemias/ética , Pandemias/prevención & control , Selección de Paciente/ética , SARS-CoV-2 , Encuestas y Cuestionarios , Obtención de Tejidos y Órganos/ética , Obtención de Tejidos y Órganos/organización & administración , Obtención de Tejidos y Órganos/tendencias , Listas de Espera/mortalidad
2.
Pediatr Transplant ; 24(7): e13792, 2020 11.
Artículo en Inglés | MEDLINE | ID: mdl-32881212

RESUMEN

Data on pediatric patients with HPS undergoing LT are limited. Our aim was to study the spectrum and outcomes of pediatric patients with HPS undergoing LDLT. The role ofiNO for post-LDLT refractory hypoxemia was also assessed. Patients (aged < 18 years) undergoing LT were retrospectively studied. HPS was diagnosed based on European Respiratory Society Taskforce 2004 criteria. HPS was graded based on oxygenation criteria and contrast-enhanced echocardiogram. Post-operative course was studied. Refractory post-operative hypoxemia was treated with iNO by institutionally developed protocol. 23/150 pediatric patients undergoing LDLT had HPS. BA was the most common underlying cause (52.2%). By oxygenation criteria, 6 (26.1%) had VS-HPS. VS-HPS was associated with longer LOS (p = .031) and prolonged oxygen requirement (p = .001) compared with other HPS patients. 4/6 patients with VS-HPS had pO2 < 45 mm Hg. Among these, 2 developed ICH post-operatively and 1 died. 3 developed refractory post-operative hypoxemia, successfully treated with iNO. Mean duration of iNO was 26.3 days. In the group of patients with HPS, the incidence of HAT and portal vein thrombosis was 17.3% and 4.3%, respectively. One year post-LDLT survival of patients with HPS was similar to non-HPS patients (86.9% vs 94.4%; p = .88). We concluded that, pediatric patients with VS-HPS, especially those with pre-operative pO2 < 45 mm Hg, have long and difficult post-LT course. Refractory postoperative hypoxemia can be successfully overcome with strategic use of iNO. Vigilant monitoring and good intensive care support are essential.


Asunto(s)
Síndrome Hepatopulmonar/cirugía , Hipoxia/tratamiento farmacológico , Trasplante de Hígado/efectos adversos , Óxido Nítrico/administración & dosificación , Complicaciones Posoperatorias/tratamiento farmacológico , Administración por Inhalación , Adolescente , Niño , Preescolar , Estudios de Seguimiento , Depuradores de Radicales Libres/administración & dosificación , Supervivencia de Injerto , Síndrome Hepatopulmonar/diagnóstico , Humanos , Hipoxia/etiología , Lactante , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Factores de Tiempo , Resultado del Tratamiento
3.
Indian J Med Res ; 152(6): 662-666, 2020 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-34145107

RESUMEN

BACKGROUND & OBJECTIVES: The number of blood components required during a liver-transplant surgery is significant. It is challenging for blood transfusion services to provide the required RhD-negative red blood cells (RBCs) for recipients during the peri-operative period. This retrospective study presents safety data of transfusing RhD-positive RBCs in RhD-negative living donor liver-transplant (LDLT) recipients during the peri-operative period with six-month follow up for risk of developing alloantibodies. METHODS: All RhD-negative patients who underwent LDLT and were transfused ABO-compatible but RhD-positive RBC units between January 2012 and May 2018 were included in the study. Twenty one RhD-negative patients who received a total of 167 RhD-positive RBCs peri-operatively were chosen for alloantibody screening. All the patients were started on triple immunosuppression drugs as per the standard hospital protocol. Blood grouping, cross-match and antibody screening were done by column agglutination technique. RESULTS: Post-transplant antibody screen (weekly for 12 wk) was negative, and none of the patients developed anti-D alloantibodies till their last follow up (mean 21 months). INTERPRETATION & CONCLUSIONS: Our observations suggest that it may be safe to use RhD-positive RBCs peri-operatively in RhD-negative LDLT recipients with low risk of alloimmunization.


Asunto(s)
Trasplante de Hígado , Eritrocitos , Humanos , India/epidemiología , Isoanticuerpos , Hígado , Trasplante de Hígado/efectos adversos , Donadores Vivos , Estudios Retrospectivos , Receptores de Trasplantes
4.
Liver Transpl ; 25(12): 1811-1821, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31436885

RESUMEN

Although the well-accepted lower limit of the graft-to-recipient weight ratio (GRWR) for successful living donor liver transplantation (LDLT) remains 0.80%, many believe grafts with lower GRWR may suffice with portal inflow modulation (PIM), resulting in equally good recipient outcomes. This study was done to evaluate the outcomes of LDLT with small-for-size grafts (GRWR <0.80%). Of 1321 consecutive adult LDLTs from January 2012 to December 2017, 287 (21.7%) had GRWR <0.80%. PIM was performed (hemiportocaval shunt [HPCS], n = 109; splenic artery ligation [SAL], n = 14) in 42.9% patients. No PIM was done if portal pressure (PP) in the dissection phase was <16 mm Hg. Mean age of the cohort was 49.3 ± 9.1 years. Median Model for End-Stage Liver Disease score was 14, and the lowest GRWR was 0.54%. A total of 72 recipients had a GRWR <0.70%, of whom 58 underwent HPCS (1 of whom underwent HPCS + SAL) and 14 underwent no PIM, whereas 215 had GRWR between 0.70% and 0.79%, of whom 51 and 14 underwent HPCS and SAL, respectively. During the same period, 1034 had GRWR ≥0.80% and did not undergo PIM. Small-for-size syndrome developed in 2.8% patients. Three patients needed shunt closure at 1 and 4 weeks and 60 months. The 1-year patient survival rates were comparable. In conclusion, with PIM protocol that optimizes postperfusion PP, low-GRWR grafts can be used for appropriately selected LDLT recipients with acceptable outcomes.


Asunto(s)
Enfermedad Hepática en Estado Terminal/cirugía , Rechazo de Injerto/epidemiología , Trasplante de Hígado/métodos , Sistema Porta/cirugía , Complicaciones Posoperatorias/epidemiología , Adulto , Aloinjertos/anatomía & histología , Aloinjertos/irrigación sanguínea , Enfermedad Hepática en Estado Terminal/mortalidad , Femenino , Rechazo de Injerto/etiología , Rechazo de Injerto/fisiopatología , Rechazo de Injerto/prevención & control , Supervivencia de Injerto , Humanos , Ligadura/efectos adversos , Ligadura/estadística & datos numéricos , Hígado/anatomía & histología , Hígado/irrigación sanguínea , Trasplante de Hígado/efectos adversos , Trasplante de Hígado/estadística & datos numéricos , Donadores Vivos , Masculino , Persona de Mediana Edad , Tamaño de los Órganos , Selección de Paciente , Derivación Portocava Quirúrgica/efectos adversos , Derivación Portocava Quirúrgica/estadística & datos numéricos , Presión Portal/fisiología , Sistema Porta/fisiopatología , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/fisiopatología , Complicaciones Posoperatorias/prevención & control , Estudios Retrospectivos , Arteria Esplénica/cirugía , Resultado del Tratamiento
5.
Liver Transpl ; 25(3): 459-468, 2019 03.
Artículo en Inglés | MEDLINE | ID: mdl-30536705

RESUMEN

Acute-on-chronic liver failure (ACLF) is a syndrome characterized by acute decompensation of previously diagnosed or undiagnosed liver disease with organ failure(s) with high short-term mortality. This study was conducted to report the outcomes of living donor liver transplantation (LDLT) in ACLF and assess the survival benefit of liver transplantation (LT) in these patients. It was a retrospective study of 218 ACLF patients on the basis of European Association for the Study of the Liver (EASL)-chronic liver failure criteria from January 2014 through November 2017. Patients were considered for LDLT if there was no improvement on standard medical therapy for 5-10 days. Prior to LDLT, active sepsis was excluded/treated, and renal, circulatory, and respiratory failures were improved to the greatest extent possible. The mean age was 42.9 years, and 181 patients were male. Sepsis was the most common acute precipitating event followed by alcohol. Of the patients, 35 (16.1%), 66 (30.3%), and 117 (53.7%) were classified into ACLF grades 1, 2, and 3, respectively. Although 80% of the ACLF 1 group and 72.7% of the ACLF 2 group underwent LDLT, only 35% of the ACLF 3 group could undergo LDLT. The circulatory and respiratory failures at admission were significantly higher in the nontransplant group with poor subsequent response to standard medical therapy, exclusion from LDLT, and poor outcomes. None of the patients on high support for circulatory and respiratory failure underwent LDLT. Posttransplant survival at 1 year was comparable among different grades of ACLF (92.9%, 85.4%, and 75.6%; P = 0.15). Among patients in the ACLF 3 group, survival at 90 days was extremely poor in those who could not undergo LDLT (5.9% versus 78%; P < 0.001). In conclusion, LDLT results in good survival with acceptable post-LT morbidity in patients with ACLF.


Asunto(s)
Insuficiencia Hepática Crónica Agudizada/cirugía , Trasplante de Hígado , Donadores Vivos , Insuficiencia Hepática Crónica Agudizada/mortalidad , Adolescente , Adulto , Anciano , Selección de Donante/normas , Femenino , Estudios de Seguimiento , Humanos , Estimación de Kaplan-Meier , Masculino , Persona de Mediana Edad , Pronóstico , Estudios Prospectivos , Estudios Retrospectivos , Resultado del Tratamiento , Adulto Joven
6.
J Minim Access Surg ; 15(2): 170-173, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-30106023

RESUMEN

Liver transplantation is a ray of hope for thousands of patients with end-stage liver disease but is currently challenged by the scarcity of donor organs worldwide. Unlike kidney transplantation where minimally invasive donor organ procurement has almost become a norm, laparoscopic procurement of hemi-liver from a living donor is still in the infancy of development, at least in the Indian sub-continent. Minimally invasive surgery has made its way into different procedures of hepatobiliary and pancreatic surgery, but only a few centres in the world are performing pure laparoscopic donor hepatectomy. We report two cases of total laparoscopic donor hepatectomy, and to the best of our knowledge, this is the first report from Indian sub-continent.

7.
Am J Transplant ; 18(6): 1435-1446, 2018 06.
Artículo en Inglés | MEDLINE | ID: mdl-29237235

RESUMEN

In a multicenter, open-label, study, 284 living-donor liver transplant patients were randomized at 30 ± 5 days posttransplant to start everolimus+reduced tacrolimus (EVR+rTAC) or continue standard tacrolimus (TAC Control). EVR+rTAC was non-inferior to TAC Control for the primary efficacy endpoint of treated BPAR, graft loss or death at 12 months posttransplant: difference -0.7% (90% CI -5.2%, 3.7%); P < .001 for non-inferiority. Treated BPAR occurred in 2.2% and 3.6% of patients, respectively. The key secondary endpoint, change in estimated glomerular filtration rate (eGFR) from randomization to month 12, achieved non-inferiority (P < .001 for non-inferiority), but not superiority and was similar between groups overall (mean -8.0 vs. -12.1 mL/min/1.73 m2 , P = .108), and in patients continuing randomized treatment (-8.0 vs. -13.3 mL/min/1.73 m2 , P = .046). In the EVR+rTAC and TAC control groups, study drug was discontinued in 15.5% and 17.6% of patients, adverse events with suspected relation to study drug occurred in 57.0% and 40.4%, and proteinuria ≥1 g/24 h in 9.3% and 0%, respectively. Everolimus did not negatively affect liver regeneration. At 12 months, hepatocellular recurrence was only seen in the standard TAC-treated patients (5/62; 8.1%). In conclusion, early introduction of EVR+rTAC was non-inferior to standard tacrolimus in terms of efficacy and renal function at 12 months, with hepatocellular carcinoma recurrence only in TAC Control patients. ClinicalTrials.gov Identifier: NCT01888432.


Asunto(s)
Everolimus/uso terapéutico , Inmunosupresores/uso terapéutico , Trasplante de Hígado , Donadores Vivos , Tacrolimus/uso terapéutico , Carcinoma Hepatocelular/cirugía , Relación Dosis-Respuesta a Droga , Everolimus/administración & dosificación , Everolimus/efectos adversos , Femenino , Tasa de Filtración Glomerular , Humanos , Inmunosupresores/administración & dosificación , Inmunosupresores/efectos adversos , Neoplasias Hepáticas/cirugía , Masculino , Persona de Mediana Edad , Tacrolimus/administración & dosificación , Tacrolimus/efectos adversos
8.
Transpl Int ; 31(6): 600-609, 2018 06.
Artículo en Inglés | MEDLINE | ID: mdl-29130558

RESUMEN

Donor safety is utmost important in Living donor liver transplantation (LDLT). Small for size syndrome in some recipients with left lobe donors led to the evolution of right lobe LDLT. The aim of the study was to analyze the safety of large series of right lobe (RL) donor hepatectomies and compare outcomes with left lobe (LL) and left lateral segment (LLS) donations. A consecutive cohort of 726 donors from January 2011 to January 2014 were studied; RL (n = 641, 88.3%), LL (n = 36, 4.9%) or LLS (n = 49, 6.8%) depending on the type of donation. The mean age was 34.6 ± 10 years. The overall complication rate was 22.3%. Most were Clavien grade I and II. Clavien grade IIIa, IIIb, IV and V were noted in 4.2% donors. The incidence of these major complications were comparable among RL (n = 28, 4.2%), LL (n = 1, 2.7%) and LLS (n = 2, 4.08%) (P = 0.89). Bile leak was seen in 20 donors (2.7%) and 13 were managed conservatively with prolonged or additional intra-abdominal drainage. Seven underwent re-exploration for bile leak. In centres experienced in right lobe LDLT, morbidity after RL donation is similar to that of LL donation; and with adequate GRWR, same 1-year recipient outcomes.


Asunto(s)
Hepatectomía/métodos , Trasplante de Hígado/métodos , Donadores Vivos , Seguridad del Paciente , Recolección de Tejidos y Órganos/métodos , Adulto , Femenino , Supervivencia de Injerto , Humanos , Hígado/cirugía , Masculino , Persona de Mediana Edad , Periodo Posoperatorio , Periodo Preoperatorio , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Resultado del Tratamiento , Adulto Joven
9.
Indian J Crit Care Med ; 22(4): 290-296, 2018 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-29743768

RESUMEN

INTRODUCTION: Bacterial infections are a leading cause of morbidity and mortality in patients receiving solid-organ transplants. Extended-spectrum beta-lactamases (ESBL) pathogens are the most important pathogenic bacteria infecting these patients. AIM: This study aims to evaluate for the incidence and characteristics of ESBL-positive organism, to look for the clinical outcomes in ESBL-positive infected cases, and to evaluate and draft the antibiotic policy in posttransplant patients during the first 28 days posttransplant. MATERIALS AND METHODS: This is a retrospective data analysis of liver transplant recipients infected with ESBL culture-positive infections. All the culture sites such as blood, urine, and endotracheal tube aspirates were screened for the first ESBL infection they had and noted. This data were collected till day 28 posttransplant. The antibiotic susceptibility pattern and the most common organism were also noted. RESULTS: A total of 484 patients was screened and 116 patients had ESBL-positive cultures. Out of these, 54 patients had infections and 62 patients were ESBL colonizers. The primary infection site was abdominal fluid (40.7%), with Klebsiella accounting for most of the ESBL infections. Colistin was the most sensitive antibiotic followed by tigecycline. The overall mortality was 11.4% and 31 out of 54 ESBL-infected patients died. CONCLUSIONS: Infections with ESBL-producing organism in liver transplant recipients has a high mortality and very limited therapeutic options.

10.
Clin Transplant ; 31(5)2017 05.
Artículo en Inglés | MEDLINE | ID: mdl-28239914

RESUMEN

We modified the previously described D-MELD score in deceased donor liver transplant, to (D+10)MELD to account for living donors being about 10 years younger than deceased donors, and tested it on living donor liver transplantation (LDLT) recipients. Five hundred consecutive LDLT, between July 2010 and December 2012, were retrospectively analyzed to see the effect of (D+10)MELD on patient and graft survival. Donor age alone did not influence survival. Recipients were divided into six classes based on the (D+10)MELD score: Class 1 (0-399), Class 2 (400-799), Class 3 (800-1199), Class 4 (1200-1599), Class 5 (1600-1999), and Class 6 (>2000). The 1 year patient survival (97.1, 88.8, 87.6, 76.9, and 75% across Class 1-5, P=.03) and graft survival (97.1, 87.9, 82.3, 76.9, and 75%; P=.04) was significantly different among the classes. The study population was divided into two groups at (D+10)MELD cut off at 860. Group 1 had a significantly better 1 year patient (90.4% vs 83.4%; P=.02) and graft survival (88.6% vs 80.2%; P=.01). While donor age alone does not predict recipient outcome, (D+10)MELD score is a strong predictor of recipient and graft survival, and may help in better recipient/donor selection and matching in LDLT.


Asunto(s)
Enfermedad Hepática en Estado Terminal/mortalidad , Supervivencia de Injerto , Mortalidad Hospitalaria/tendencias , Trasplante de Hígado/mortalidad , Donadores Vivos , Índice de Severidad de la Enfermedad , Adulto , Factores de Edad , Enfermedad Hepática en Estado Terminal/cirugía , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Estudios Retrospectivos , Factores de Riesgo , Tasa de Supervivencia , Resultado del Tratamiento
11.
Liver Transpl ; 26(2): 306, 2020 02.
Artículo en Inglés | MEDLINE | ID: mdl-31644830
12.
Liver Transpl ; 26(12): 1669-1671, 2020 12.
Artículo en Inglés | MEDLINE | ID: mdl-32488978
13.
ANZ J Surg ; 93(4): 911-917, 2023 04.
Artículo en Inglés | MEDLINE | ID: mdl-36262090

RESUMEN

BACKGROUND: The study aimed to assess the morphology of post-living donor liver transplant (LDLT) anastomotic biliary strictures using cholangioscopy and assess the impact of morphology on its prognosis. METHODS: A single centre, prospective, observational study was conducted at a tertiary care teaching hospital from August 2014 to July 2016. Single operator cholangioscopy (SOC) was used to assess post-LDLT anastomotic biliary strictures at presentation in 24 patients. Analysis included demographic and biochemical characteristics, time to stricture development, endoscopic procedural details, time to remodelling and development of recurrence on follow-up. RESULTS: Two distinct patterns of strictures were identified, type I with minimal inflammatory changes and type II with severe inflammatory changes. Guidewire cannulation was successful in 23 out of 24 (95.8%) patients. There was no significant difference between the two types of strictures based on aetiology of liver disease, CTP and MELD scores, time taken for the development or laboratory parameters at presentation. However, type II strictures required more sessions of dilatation (4 vs. 2; P = 0.002), longer duration for resolution (282.5 vs. 201.5 days, P = 0.095) and more number of stents. CONCLUSIONS: Addition of cholangioscopy tends to improve stricture cannulation rates at ERCP. It offers a useful classification of post-LDLT strictures with prognostic and therapeutic significance. Type II strictures tend to require more sessions of endotherapy than type I strictures over a longer duration for remodelling.


Asunto(s)
Colestasis , Trasplante de Hígado , Humanos , Trasplante de Hígado/efectos adversos , Colangiopancreatografia Retrógrada Endoscópica/efectos adversos , Constricción Patológica/etiología , Constricción Patológica/terapia , Donadores Vivos , Estudios Prospectivos , Resultado del Tratamiento , Colestasis/etiología , Colestasis/cirugía , Cateterismo , Stents/efectos adversos , Estudios Retrospectivos
14.
Ann Transplant ; 27: e937988, 2022 Nov 22.
Artículo en Inglés | MEDLINE | ID: mdl-36411723

RESUMEN

BACKGROUND The study objective was to evaluate the effect of everolimus (EVR) in combination with reduced tacrolimus (rTAC) compared with a standard TAC (sTAC) regimen on hepatocellular carcinoma (HCC) recurrence in de novo living-donor liver transplantation recipients (LDLTRs) with primary HCC at liver transplantation through 5 years after transplantation. MATERIAL AND METHODS In this multicenter, non-interventional study, LDLTRs with primary HCC, who were previously randomized to either everolimus plus reduced tacrolimus (EVR+rTAC) or standard tacrolimus (sTAC), and who completed the 2-year core H2307 study, were followed up. Data were collected retrospectively (end of core to the start of follow-up study), and prospectively (during the 3-year follow-up study). RESULTS Of 117 LDLTRs with HCC at LT in the core H2307 study (EVR+rTAC, N=56; sTAC, N=61), 86 patients (EVR+rTAC, N=41; sTAC, N=45) entered the follow-up study. Overall HCC recurrence was lower but statistically non-significant in the EVR+rTAC group (3.6% vs 11.5% in sTAC; P=0.136) at 5 years after LT. There was no graft loss or chronic rejection. Acute rejection and death were comparable between treatment groups. Higher mean estimated glomerular filtration rate in the EVR+rTAC group (76.8 vs 65.8 mL/min/1.73 m² in sTAC) was maintained up to 5 years. Reported adverse events were numerically lower in the EVR+rTAC group (41.0% vs 53.5% sTAC) but not statistically significant. CONCLUSIONS Although statistically not significant, early EVR initiation reduced HCC recurrence, with comparable efficacy and safety, and better long-term renal function, than that of sTAC treatment.


Asunto(s)
Carcinoma Hepatocelular , Neoplasias Hepáticas , Trasplante de Hígado , Humanos , Donadores Vivos , Tacrolimus/uso terapéutico , Carcinoma Hepatocelular/tratamiento farmacológico , Carcinoma Hepatocelular/cirugía , Everolimus/uso terapéutico , Estudios de Seguimiento , Estudios Retrospectivos , Neoplasias Hepáticas/tratamiento farmacológico , Neoplasias Hepáticas/cirugía
15.
Pediatr Transplant ; 15(7): E135-8, 2011 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-20598089

RESUMEN

A 10-yr-old girl presented with a seven-month history of upper abdominal discomfort and weight loss. Physical examination revealed an abdominal lump in the right hypochondrium and epigastrium. Ultrasound examination and a computerized tomographic scan showed a large lobulated mass arising from segments I, 1V, and VIII of liver with arteriovenous shunting and multiple small masses in segments VI and VII. An initial diagnosis of hemangioendothelioma with metastasis was made elsewhere following which she received chemotherapy. She had persistent abdominal discomfort because of which she became dependent on narcotics. The patient had fever because of tumor necrosis and also developed peripheral neuropathy. Finally, owing to progressively worsening of symptoms, she underwent left lobe living donor liver transplantation. Histopathological examination showed the mass to be a cavernous hemangioma, and the patient is now well.


Asunto(s)
Hemangioma Cavernoso/diagnóstico , Trasplante de Hígado/métodos , Antineoplásicos/farmacología , Niño , Femenino , Hemangioma/patología , Hemangioma Cavernoso/patología , Hemangioma Cavernoso/cirugía , Humanos , Hígado/patología , Donadores Vivos , Necrosis , Metástasis de la Neoplasia , Síndromes Paraneoplásicos/diagnóstico , Síndromes Paraneoplásicos/patología , Vena Porta/patología , Tomografía Computarizada por Rayos X/métodos , Resultado del Tratamiento , Ultrasonografía/métodos
16.
J Clin Transl Hepatol ; 9(6): 947-959, 2021 Dec 28.
Artículo en Inglés | MEDLINE | ID: mdl-34966658

RESUMEN

The novel coronavirus disease 2019 (COVID-19) pandemic has impacted health care worldwide, with specific patient populations, such as those with diabetes, cardiovascular disease, and chronic lung disease, at higher risk of infection and others at higher risk of disease progression. Patients with decompensated cirrhosis fall into the latter category and are a unique group that require specific treatment and management decisions because they can develop acute-on-chronic liver failure. In liver transplant recipients, the atypical immunity profile due to immunosuppression protects against downstream inflammatory responses triggered by COVID-19. This exhaustive review discusses the outcomes associated with COVID-19 in patients with advanced cirrhosis and in liver transplant recipients. We focus on the immunopathogenesis of COVID-19, its correlation with the pathogenesis of advanced liver disease, and the effect of immunosuppression in liver transplant recipients to provide insight into the outcomes of this unique patient population.

17.
JAMA Surg ; 156(9): e213112, 2021 09 01.
Artículo en Inglés | MEDLINE | ID: mdl-34259797

RESUMEN

Importance: Living-donor liver transplant (LDLT) offers advantages over deceased-donor liver transplant (DDLT) of improved intention-to-treat outcomes and management of the shortage of deceased-donor allografts. However, conflicting data still exist on the outcomes of LDLT in patients with hepatocellular carcinoma (HCC). Objective: To investigate the potential survival benefit of an LDLT in patients with HCC from the time of waiting list inscription. Design, Setting, and Participants: This multicenter cohort study with an intention-to-treat design analyzed the data of patients aged 18 years or older who had an HCC diagnosis and were on a waiting list for a first transplant. Patients from 12 collaborative centers in Europe, Asia, and the US who were on a transplant waiting list between January 1, 2000, and December 31, 2017, composed the international cohort. The Toronto cohort comprised patients from 1 transplant center in Toronto, Ontario, Canada who were on a waiting list between January 1, 2000, and December 31, 2015. The international cohort centers performed either an LDLT or a DDLT, whereas the Toronto cohort center was selected for its capability to perform both LDLT and DDLT. The benefit of LDLT was tested in the 2 cohorts before and after undergoing an inverse probability of treatment weighting (IPTW) analysis. Data were analyzed from February 1 to May 31, 2020. Main Outcomes and Measures: Intention-to-treat death was defined as a patient death that occurred for any reason and was calculated from the time of waiting list inscription for liver transplant to the last follow-up date (December 31, 2019). Four multivariable Cox proportional hazards regression models for intention-to-treat death were created. Results: A total of 3052 patients were analyzed in the international cohort, of whom 2447 were men (80.2%) and the median (IQR) age at first referral was 58 (53-63) years. The Toronto cohort comprised 906 patients, of whom 743 were men (82.0%) and the median (IQR) age at first referral was 59 (53-63) years. In all the settings, LDLT was an independent protective factor, reducing the risk of overall death by 49% in the pre-IPTW analysis for the international cohort (HR, 0.51; 95% CI, 0.36-0.71; P < .001), 33% in the post-IPTW analysis for the international cohort (HR, 0.67; 95% CI, 0.53-0.85; P = .001), 43% in the pre-IPTW analysis for the Toronto cohort (HR, 0.57; 95% CI, 0.45-0.73; P < .001), and 48% in the post-IPTW analysis for the Toronto cohort (HR, 0.52; 95% CI, 0.42 to 0.65; P < .001). The discriminatory ability of the mathematical models further improved in all of the cases in which LDLT was incorporated. Conclusions and Relevance: This study suggests that having a potential live donor could decrease the intention-to-treat risk of death in patients with HCC who are on a waiting list for a liver transplant. This benefit is associated with the elimination of the dropout risk and has been reported in centers in which both LDLT and DDLT options are equally available.


Asunto(s)
Carcinoma Hepatocelular/cirugía , Análisis de Intención de Tratar , Neoplasias Hepáticas/cirugía , Trasplante de Hígado , Donadores Vivos , Carcinoma Hepatocelular/mortalidad , Femenino , Humanos , Neoplasias Hepáticas/mortalidad , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Análisis de Supervivencia , Listas de Espera
18.
Hepatol Int ; 14(4): 429-431, 2020 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-32270388

RESUMEN

The Liver Transplant Society of India (LTSI) has come up with guidelines for transplant centres across the country to deal with liver transplantation during this evolving pandemic of COVID-19 infection. The guidelines are applicable to both deceased donor as well as living donor liver transplants. In view of the rapidly changing situation of COVID-19 infection in India and worldwide, these guidelines will need to be updated according to the emerging data.


Asunto(s)
Betacoronavirus , Infecciones por Coronavirus/complicaciones , Infecciones por Coronavirus/terapia , Hepatopatías/terapia , Trasplante de Hígado , Neumonía Viral/complicaciones , Neumonía Viral/terapia , COVID-19 , Infecciones por Coronavirus/epidemiología , Humanos , India , Hepatopatías/etiología , Pandemias , Selección de Paciente , Neumonía Viral/epidemiología , Guías de Práctica Clínica como Asunto , SARS-CoV-2 , Sociedades Médicas
19.
Cancers (Basel) ; 12(2)2020 Feb 14.
Artículo en Inglés | MEDLINE | ID: mdl-32075133

RESUMEN

Abstract: Since the introduction of Milan Criteria, all scoring models describing the prognosis of hepatocellular cancer (HCC) after liver transplantation (LT) have been exclusively based on characteristics available at surgery, therefore neglecting the intention-to-treat principles. This study aimed at developing an intention-to-treat model through a competing-risk analysis. Using data available at first referral, an upper limit of tumor burden for downstaging was identified beyond which successful LT becomes an unrealistic goal. Twelve centers in Europe, United States, and Asia (Brussels, Sapienza Rome, Padua, Columbia University New York, Innsbruck, Medanta-The Medicity Dehli, Hong Kong, Kyoto, Kaohsiung Taiwan, Mainz, Fukuoka, Shulan Hospital Hangzhou) created a Derivation (n = 2318) and a Validation Set (n = 773) of HCC patients listed for LT between January2000-March 2017. In the Derivation Set, the competing-risk analysis identified two independent covariables predicting post-transplant HCC-related death: combined HCC number and diameter (SHR = 1.15; p < 0.001) and alpha-fetoprotein (AFP) (SHR = 1.80; p < 0.001). WE-DS Model showed good diagnostic performances at internal and external validation. The identified upper limit of tumor burden for downstaging was AFP ≤ 20 ng/mL and up-to-twelve as sum of HCC number and diameter; AFP = 21-200 and up-to-ten; AFP = 201-500 and up-to-seven; AFP = 501-1000 and up-to-five. The WE-DS Model proposed here, based on morphologic and biologic data obtained at first referral in a large international cohort of HCC patients listed for LT, allowed identifying an upper limit of tumor burden for downstaging beyond which successful LT, following downstaging, results in a futile transplantation.

20.
Dig Surg ; 26(4): 306-11, 2009.
Artículo en Inglés | MEDLINE | ID: mdl-19657192

RESUMEN

BACKGROUND: The presence of jaundice or an abdominal lump in gall bladder cancer (GBC) is often translated to advanced and unresectable disease. We examined whether this was true. METHODS: We retrospectively analysed 120 GBC patients, who had been operated on, for presenting symptoms, staging and resectability. The outcomes in patients with jaundice and/or an abdominal lump were compared with those who did not have these features. Early disease was represented by stages I and II, while stages III and IV represented advanced disease. RESULTS: Sixty-eight patients (57%) presented with an abdominal lump and 62 (52%) had jaundice. An abdominal lump, jaundice or both were present in 89 patients (74%), of whom 78 (88%) had advanced disease, while 22 of the 31 patients (71%) with neither jaundice nor an abdominal lump had advanced disease. Forty-four patients (50%) with either or both of these features had R0 resections, while 20 patients (64%) with neither jaundice nor an abdominal lump had R0 resections. The presence of jaundice or an abdominal lump was significantly associated with advanced disease (p = 0.025), but not with unresectability (p = 1). CONCLUSIONS: Jaundice or an abdominal lump was present in 74% of the patients with GBC. While this represented advanced-stage cancer, it did not preclude resectability.


Asunto(s)
Carcinoma/cirugía , Colecistectomía/métodos , Neoplasias de la Vesícula Biliar/cirugía , Ictericia/etiología , Adulto , Anciano , Carcinoma/mortalidad , Carcinoma/patología , Femenino , Neoplasias de la Vesícula Biliar/mortalidad , Neoplasias de la Vesícula Biliar/patología , Humanos , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Complicaciones Posoperatorias/cirugía , Estudios Retrospectivos , Tasa de Supervivencia , Resultado del Tratamiento , Adulto Joven
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