RESUMEN
BACKGROUND AND AIMS: Alagille syndrome (ALGS) is characterized by chronic cholestasis with associated pruritus and extrahepatic anomalies. Maralixibat, an ileal bile acid transporter inhibitor, is an approved pharmacologic therapy for cholestatic pruritus in ALGS. Since long-term placebo-controlled studies are not feasible or ethical in children with rare diseases, a novel approach was taken comparing 6-year outcomes from maralixibat trials with an aligned and harmonized natural history cohort from the G lobal AL agille A lliance (GALA) study. APPROACH AND RESULTS: Maralixibat trials comprise 84 patients with ALGS with up to 6 years of treatment. GALA contains retrospective data from 1438 participants. GALA was filtered to align with key maralixibat eligibility criteria, yielding 469 participants. Serum bile acids could not be included in the GALA filtering criteria as these are not routinely performed in clinical practice. Index time was determined through maximum likelihood estimation in an effort to align the disease severity between the two cohorts with the initiation of maralixibat. Event-free survival, defined as the time to first event of manifestations of portal hypertension (variceal bleeding, ascites requiring therapy), surgical biliary diversion, liver transplant, or death, was analyzed by Cox proportional hazards methods. Sensitivity analyses and adjustments for covariates were applied. Age, total bilirubin, gamma-glutamyl transferase, and alanine aminotransferase were balanced between groups with no statistical differences. Event-free survival in the maralixibat cohort was significantly better than the GALA cohort (HR, 0.305; 95% CI, 0.189-0.491; p <0.0001). Multiple sensitivity and subgroup analyses (including serum bile acid availability) showed similar findings. CONCLUSIONS: This study demonstrates a novel application of a robust statistical method to evaluate outcomes in long-term intervention studies where placebo comparisons are not feasible, providing wide application for rare diseases. This comparison with real-world natural history data suggests that maralixibat improves event-free survival in patients with ALGS.
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Síndrome de Alagille , Humanos , Síndrome de Alagille/complicaciones , Síndrome de Alagille/tratamiento farmacológico , Femenino , Masculino , Estudios Retrospectivos , Niño , Lactante , Preescolar , Supervivencia sin Progresión , Adolescente , Proteínas Portadoras , Glicoproteínas de MembranaRESUMEN
Gallbladder and biliary diseases (GBDs) are one of the most common digestive diseases. The connections between GBDs and several organs other than the liver have gradually surfaced accompanied by the changes in people's diet structure and the continuous improvement of medical diagnosis technology. Among them, cholecardia syndrome that takes the heart as the important target of GBDs complications has been paid close attention. However, there are still no systematic report about its corresponding clinical manifestations and pathogenesis. This review summarized recent reported types of cholecardia syndrome and found that arrhythmia, myocardial injury, acute coronary syndrome and heart failure are common in the general population. Besides, the clinical diagnosis rate of intrahepatic cholestasis of pregnancy (ICP) and Alagille syndrome associated with gene mutation is also increasing. Accordingly, the underlying pathogenesis including abnormal secretion of bile acid, gene mutation, translocation and deletion (JAG1, NOTCH2, ABCG5/8 and CYP7A1), nerve reflex and autonomic neuropathy were further revealed. Finally, the potential treatment measures and clinical medication represented by ursodeoxycholic acid were summarized to provide assistance for clinical diagnosis and treatment.
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Síndrome de Alagille , Colestasis Intrahepática , Complicaciones del Embarazo , Femenino , Embarazo , Humanos , Síndrome de Alagille/complicaciones , Síndrome de Alagille/diagnóstico , Síndrome de Alagille/genética , Colestasis Intrahepática/complicaciones , Colestasis Intrahepática/tratamiento farmacológico , Ácido Ursodesoxicólico/uso terapéuticoRESUMEN
OBJECTIVE: Maralixibat, an ileal bile acid transporter inhibitor, is the first drug approved by the U.S. Food and Drug Administration for the treatment of cholestatic pruritus in patients aged ≥3 months with Alagille syndrome (ALGS). Approval was based on reductions in pruritus from the pivotal ICONIC trial, information from two additional trials (ITCH and IMAGO), and long-term extension studies. Although participants in these trials met strict inclusion and exclusion criteria, patients have received maralixibat under broader circumstances as part of an expanded access program or commercially. The expanded access and postapproval settings inform a real-world understanding of effectiveness and safety. The objective was to report on the use of maralixibat in the real-world setting in eight patients who otherwise would not have met entrance criteria for the clinical trials, providing unique insights into its effectiveness in the management of ALGS. METHODS: We reviewed records of patients with ALGS who received maralixibat but would have been excluded from trials due to surgical biliary diversion, reduction of antipruritic/cholestatic concomitant medications, administration of medication through a gastrostomy or nasogastric tube, or use in patients under consideration for transplantation. RESULTS: Maralixibat appeared to be effective with reductions in pruritus compared to baseline. Consistent with clinical trials, maralixibat was well tolerated without appreciable gastrointestinal complications. Liver enzyme elevations were observed but were interpreted as consistent with normal fluctuations observed in ALGS, with no increases in bilirubin. CONCLUSION: Maralixibat may be effective and well tolerated in patients with ALGS in broader clinical contexts than previously reported.
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Síndrome de Alagille , Benzotiepinas , Colestasis , Humanos , Síndrome de Alagille/complicaciones , Síndrome de Alagille/tratamiento farmacológico , Síndrome de Alagille/cirugía , Colestasis/tratamiento farmacológico , Colestasis/complicaciones , Estudios Longitudinales , Prurito/tratamiento farmacológico , Prurito/etiología , Ensayos Clínicos como Asunto , LactanteRESUMEN
PURPOSE: Alagille syndrome (ALGS) is a multisystem autosomal dominant disorder with highly variable expression. Intracranial arterial and venous anomalies have a reported prevalence of 30-40% and can increase the risk of stroke by 16%. Few reports document the frequency and evolution of cerebrovascular abnormalities (CVAs) in children with ALGS. We aimed to define the spectrum, frequency, and evolution of CVAs in a series of children with ALGS using magnetic resonance angiography (MRA). METHODS: We conducted a single-center, retrospective study in a large tertiary pediatric hospital. CVAs were grouped into 4 categories: 1) Stenosis or narrowing; 2) Aneurysms and ectasias; 3) Tortuosity; and 4) Vascular anomalies and anatomical variants. RESULTS: Thirty-two children met the inclusion criteria. The median age at initial diagnosis was 6 (3.8-10.3) years. Thirteen (40%) had follow-up MRI at a mean of 55 (31.5-66) months. Eighteen (56%) had CVAs; the most frequent fell into group 1 (n = 12, 37.5%). CVAs were stable over time, except for one patient with Moyamoya arteriopathy (MMA). One patient developed a transient ischemic attack secondary to an embolic event. Three (9.3%) had microhemorrhages at the initial diagnosis secondary to Tetralogy of Fallot. Another patient had recurrent subdural hematomas of unknown cause. CONCLUSION: CVAs were stable except in the presence of MMA. Vascular strokes, which are reported in older patients with ALGS, were not a common feature in children under 16 years of age, either at presentation or over the 31.5-66 month follow-up period.
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Síndrome de Alagille , Angiografía por Resonancia Magnética , Humanos , Síndrome de Alagille/diagnóstico por imagen , Síndrome de Alagille/complicaciones , Masculino , Femenino , Niño , Preescolar , Estudios Retrospectivos , Angiografía por Resonancia Magnética/métodos , Trastornos Cerebrovasculares/diagnóstico por imagenRESUMEN
PURPOSE OF REVIEW: Cholestasis is characterized by a conjugated hyperbilirubinemia secondary to impaired bile synthesis, transport, or excretion from the liver. It is always pathologic and can be indicative of an underlying hepatobiliary, genetic, or metabolic disorder, several of which require timely diagnosis to ensure proper management and optimal outcomes. This review provides an overview of the evaluation of cholestasis with a focus on current and emerging treatment strategies. RECENT FINDINGS: Increased accessibility of next generation sequencing (NGS) allows for utilization of genetic testing early in the diagnostic process. This may alter the clinical algorithm for diagnosis of cholestatic disorders. An enhanced understanding of the underlying pathophysiology may help guide future development of targeted therapies, such as ileal bile acid transporter (IBAT) inhibitors. These were recently approved for treatment of cholestatic pruritus in patients with Alagille syndrome and Progressive Familial Intrahepatic Cholestasis. Current management of cholestasis is aimed at the biochemical consequences of impaired bile flow, including malnutrition, pruritus, and progressive fibrosis. NGS has led to an enhanced understanding of biliary pathology and may guide development of future treatment modalities based on specific gene mutations. Rapid discernment of the underlying etiology is essential as new treatment modalities emerge.
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Síndrome de Alagille , Colestasis Intrahepática , Colestasis , Humanos , Niño , Lactante , Preescolar , Colestasis/complicaciones , Colestasis/diagnóstico , Colestasis Intrahepática/diagnóstico , Síndrome de Alagille/complicaciones , Síndrome de Alagille/diagnóstico , Síndrome de Alagille/genética , Prurito/diagnóstico , Prurito/etiología , Prurito/terapiaRESUMEN
Alagille syndrome (ALGS) is a multisystem condition characterized by cholestasis and bile duct paucity on liver biopsy and variable involvement of the heart, skeleton, eyes, kidneys, and face and caused by pathogenic variants in the JAG1 or NOTCH2 gene. The variable expressivity of the clinical phenotype and the lack of genotype-phenotype correlations lead to significant diagnostic difficulties. Here we present an analysis of 18 patients with cholestasis who were diagnosed with ALGS. We used an NGS panel targeting coding exons of 52 genes, including the JAG1 and NOTCH2 genes. Sanger sequencing was used to verify the mutation in the affected individuals and family members. The specific facial phenotype was seen in 16/18 (88.9%). Heart defects were seen in 8/18 (44.4%) patients (pulmonary stenosis in 7/8). Butterfly vertebrae were seen in 5/14 (35.7%) patients. Renal involvement was detected in 2/18 (11.1%) cases-one patient had renal cysts, and one had obstructive hydronephrosis. An ophthalmology examination was performed on 12 children, and only one had posterior embryotoxon (8.3%). A percutaneous liver biopsy was performed in nine cases. Bile duct paucity was detected in six/nine cases (66.7%). Two patients required liver transplantation because of cirrhosis. We identified nine novel variants in the JAG1 gene-eight frameshift variants (c.1619_1622dupGCTA (p.Tyr541X), c.1160delG (p.Gly387fs), c.964dupT (p.C322fs), c.120delG (p.L40fs), c.1984dupG (p.Ala662Glyfs), c.3168_3169delAG (p.R1056Sfs*51), c.2688delG (p.896CysfsTer49), c.164dupG (p.Cys55fs)) and one missense variant, c.2806T > G (p.Cys936Gly). None of the patients presented with NOTCH2 variants. In accordance with the classical criteria, only six patients could meet the diagnostic criteria in our cohort without genetic analysis. Genetic testing is important in the diagnosis of ALGS and can help differentiate it from other types of cholestasis.
Asunto(s)
Síndrome de Alagille , Colestasis , Humanos , Síndrome de Alagille/complicaciones , Síndrome de Alagille/genética , Colestasis/genética , Mutación , Mutación Missense , Fenotipo , Proteína Jagged-1/genética , Proteína Jagged-1/metabolismoRESUMEN
OBJECTIVE: To evaluate neurodevelopmental status among children with inherited cholestatic liver diseases with native liver and variables predictive of impairment. METHODS: Participants with Alagille syndrome (ALGS), progressive familial intrahepatic cholestasis (PFIC), and alpha 1 antitrypsin deficiency (A1AT) enrolled in a longitudinal, multicenter study and completed the Wechsler Preschool and Primary Scale of Intelligence-III or Intelligence Scale for Children-IV. Full Scale Intelligence Quotient (FSIQ) was analyzed continuously and categorically (>100, 85-99, 70-84, <70). Univariate linear regression was performed to study association between FSIQ and risk factors, stratified by disease. RESULTS: Two hundred and fifteen completed testing (ALGS nâ=â70, PFIC nâ=â43, A1AT nâ=â102); median age was 7.6âyears (3.0-16.9). Mean FSIQ in ALGS was lower than A1AT (94 vs 101, Pâ=â0.01). Frequency of FSIQâ<â85 (>1 standard deviation [SD] below average) was highest in ALGS (29%) versus 18.6% in PFIC and 12.8% in A1AT, and was greater than expected in ALGS based on normal distribution (29% vs 15.9%, Pâ=â0.003). ALGS scored significantly lower than test norms in almost all Wechsler composites; A1AT scored lower on Working Memory and Processing Speed; PFIC was not different from test norms. Total bilirubin, alkaline phosphatase, albumin, hemoglobin, and parental education were significantly associated with FSIQ. CONCLUSIONS: Patients with ALGS are at increased risk of lower FSIQ, whereas our data suggest A1AT and PFIC are not. A1AT and ALGS appear vulnerable to working memory and processing speed deficits suggestive of attention/executive function impairment. Malnutrition, liver disease severity, and sociodemographic factors appear related to FSIQ deficits, potentially identifying targets for early interventions.
Asunto(s)
Síndrome de Alagille , Colestasis Intrahepática , Colestasis , Síndrome de Alagille/complicaciones , Síndrome de Alagille/genética , Niño , Preescolar , Humanos , Escalas de WechslerRESUMEN
OBJECTIVES: This study aims to report liver transplantation (LT) outcomes and cardiac disease manifestations in children with Alagille Syndrome (ALGS) in a contemporary cohort. METHODS: This project used a novel linkage between the Scientific Registry of Transplant Recipients and Pediatric Health Information System databases. All children ≤21 years undergoing a first LT were identified (2002-2018). The presence of ALGS was identified using Scientific Registry of Transplant Recipients diagnosis coding. Subjects with ALGS were age-matched 1:2 to LT recipients with biliary atresia (BA). The Kaplan-Meier method and log-rank test were used to compare patient and graft survival between groups. RESULTS: A total of 156 LT recipients with ALGS were identified and matched to a control group of 312 LT recipients with BA. Children with ALGS were more likely to have an associated diagnosis of congenital heart disease (80.7% vs 16.4%; P = 0.001) compared with children with BA with 40 (25.6%) children with AGS requiring cardiac intervention (catheter or surgical) either before or after LT. Those patients with ALGS had a higher creatinine, laboratory MELD, and PELD scores before LT. No difference was observed regarding patient or graft survival between children with ALGS and children with BA ( P = 0.08 and P = 0.27, respectively). CONCLUSIONS: Despite increased rate of congenital heart defects and cardiac interventions, higher creatinine, and higher laboratory MELD/PELD scores at time of transplant, this study demonstrates that there is no difference in either patient or graft survival between patients with ALGS and BA.
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Síndrome de Alagille , Atresia Biliar , Trasplante de Hígado , Síndrome de Alagille/complicaciones , Síndrome de Alagille/cirugía , Atresia Biliar/complicaciones , Niño , Creatinina , Supervivencia de Injerto , Humanos , Trasplante de Hígado/métodos , Estudios Retrospectivos , Resultado del TratamientoRESUMEN
Alagille syndrome is an autosomal dominant disorder that is caused by heterozygous mutation of JAG1 or NOTCH2 gene that impacts several multisystem organs including but may not be limited to the liver, heart, musculoskeletal, skin, and the eyes. The most common congenital heart defect associated with Alagille syndrome is multilevel right ventricular outflow tract obstruction with multiple central and peripheral branch pulmonary arterial stenoses occurring in up to two-thirds of these patients. We report two cases of Alagille syndrome who underwent extensive pulmonary arterial branch rehabilitation and experienced unusual oxygenator failure during cardiopulmonary bypass (CPB). We present lessons learned from these two cases and the changes that we implemented in our practice that facilitated smooth conduct of CPB in other cases that we performed subsequently.
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Síndrome de Alagille , Cardiopatías Congénitas , Hipertensión Pulmonar , Humanos , Síndrome de Alagille/complicaciones , Síndrome de Alagille/cirugía , Síndrome de Alagille/genética , Puente Cardiopulmonar/efectos adversos , Hipertensión Pulmonar/complicaciones , Oxigenadores/efectos adversosRESUMEN
Alagille syndrome (ALGS) is a multisystem autosomal dominant developmental disorder caused predominantly by pathogenic variants in JAGGED1 (JAG1), and also by pathogenic variants in NOTCH2 in a much smaller number of individuals. Clinical presentation is highly variable and includes liver, heart, eye, skeleton, and facial abnormalities, with a subset of individuals also presenting with kidney, vascular, and central nervous system phenotypes. Hepatocellular carcinoma (HCC) is a rare complication of ALGS, though little is known about its incidence or etiology among affected individuals. Previous reports have identified HCC occurrence in both pediatric and adult cases of ALGS. We present a case report of HCC in a 58-year-old woman with a pathogenic JAG1 variant and no overt hepatic features of ALGS. Through a comprehensive literature review, we compile all reported pediatric and adult cases, and further highlight one previously reported case of HCC onset in an adult ALGS patient without any hepatic disease features, similar to our own described patient. Our case report and literature review suggest that ALGS-causing variants could confer risk for developing HCC regardless of phenotypic severity and highlight a need for a cancer screening protocol that would enable early detection and treatment in this at-risk population.
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Síndrome de Alagille/complicaciones , Carcinoma Hepatocelular/etiología , Proteína Jagged-1/genética , Neoplasias Hepáticas/etiología , Mutación , Receptor Notch2/genética , Síndrome de Alagille/genética , Carcinoma Hepatocelular/patología , Femenino , Humanos , Neoplasias Hepáticas/patología , Persona de Mediana Edad , Pronóstico , Literatura de Revisión como AsuntoRESUMEN
Alagille syndrome (AS) is a rare multisystem disease of the liver, heart, eyes, face, skeleton, kidneys, and vascular system. The occurrence of pseudotumor cerebri syndrome (PTCS) in patients with AS has been reported only exceptionally. Owning to its rarity and a mostly atypical presentation, the diagnosis and natural history of affected patients remain uncertain. We report an atypical case of PTCS in a 4-year-old boy with a known history of AS who presented with bilateral papilledema (PE) on a routine ophthalmological examination. Visual findings deteriorated after treatment with acetazolamide. Continuous intracranial pressure (ICP) monitoring was then utilized to investigate ICP dynamics. Successful treatment with resolution of PE was achieved after ventriculoperitoneal shunting but relapsed due to growth-related dislocation of the ventricular catheter. This report brings new insights into the ICP dynamics and the resulting treatment in this possibly underdiagnosed subgroup of PTCS patients. It also demonstrates that ventriculoperitoneal shunting can provide long-term improvement of symptoms for more than 10 years.
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Síndrome de Alagille , Papiledema , Seudotumor Cerebral , Síndrome de Alagille/complicaciones , Síndrome de Alagille/cirugía , Preescolar , Humanos , Presión Intracraneal , Masculino , Seudotumor Cerebral/complicaciones , Seudotumor Cerebral/cirugía , Resultado del TratamientoRESUMEN
We describe 10 children with Alagille syndrome and inflammatory arthritis. In our centers, the prevalence of chronic arthritis in patients with Alagille syndrome is approximately 50 times higher compared with the general population. Arthritis was refractory to most treatment. Patients with Alagille syndrome should routinely be screened for musculoskeletal symptoms.
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Síndrome de Alagille/complicaciones , Síndrome de Alagille/diagnóstico , Artritis Juvenil/complicaciones , Artritis Juvenil/diagnóstico , Adolescente , Síndrome de Alagille/epidemiología , Artritis Juvenil/epidemiología , Niño , Preescolar , Enfermedad Crónica , Medios de Contraste , Femenino , Humanos , Inflamación , Trasplante de Hígado , Imagen por Resonancia Magnética , Masculino , Pediatría , Estudios Retrospectivos , Reumatología , Encuestas y Cuestionarios , Muñeca/diagnóstico por imagenRESUMEN
OBJECTIVES: To evaluate the incidence, severity, and outcomes of pulmonary hemorrhage in children with Alagille syndrome (AGS) undergoing cardiac catheterization, and to find variables associated with hemorrhage in this population. BACKGROUND: Children with AGS have a high incidence of bleeding complications during invasive procedures. It has been our impression that catheterization-associated pulmonary hemorrhage is more common in children with AGS, but there are no published data on this topic. METHODS: This was a retrospective single institution study of children with AGS undergoing catheterization from 2010 to 2018. Pulmonary hemorrhage was defined as angiographic or fluoroscopic evidence of extravasated blood in the lung parenchyma, or blood suctioned from the endotracheal tube with documentation of pulmonary hemorrhage by the anesthesiologist or intensivist. Univariate comparisons were made between catheterizations that did and did not have pulmonary hemorrhage. RESULTS: Thirty children with AGS underwent 87 catheterizations, 32 (37%) with interventions on the branch pulmonary arteries (PA). There were 26 (30%) procedures with hemorrhage, the majority (65%) of which were self-limited or required less than 24 hr of mechanical ventilation. Moderate and severe hemorrhage occurred only in children with tetralogy of Fallot (TOF; 5 of 14, 36%). A higher right ventricle to aorta systolic pressure ratio (1.0 [0.85-1.1] vs. 0.88 [0.59-1.0], p = .029) and interventions on the branch PAs (14 of 26, 54% vs. 18 of 61, 30%, p = .032) were associated with hemorrhage. CONCLUSIONS: Pulmonary hemorrhage was common in children with AGS undergoing both intervention and diagnostic cardiac catheterization, and was associated with TOF, higher RV to aorta pressure ratio, and interventions on the branch PAs.
Asunto(s)
Síndrome de Alagille/diagnóstico , Síndrome de Alagille/terapia , Cateterismo Cardíaco/efectos adversos , Hemorragia/etiología , Enfermedades Pulmonares/etiología , Síndrome de Alagille/complicaciones , Niño , Preescolar , Bases de Datos Factuales , Femenino , Hemorragia/diagnóstico por imagen , Hemorragia/terapia , Humanos , Lactante , Enfermedades Pulmonares/diagnóstico por imagen , Enfermedades Pulmonares/terapia , Masculino , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Índice de Severidad de la Enfermedad , Resultado del TratamientoRESUMEN
AIMS AND BACKGROUND: Ophthalmic abnormalities are amongst the 5 major criteria required for a diagnosis of Alagille syndrome (ALGS), of which embryotoxon, pseudopapilledema, and hypopigmented retinopathy are the most common. Papilledema with or without intracranial hypertension (ICHT) is rarely described. We report 9 pediatric cases of ALGS with bilateral papilledema, 5 of which were diagnosed with ICHT. METHODS: The ophthalmic data from 85 patients with clinically and/or genetically (nâ=â37) proven ALGS were reviewed. The study inclusion criteria were a positive diagnosis of ALGS and availability of ophthalmic follow-up data. Ophthalmic data from 40 patients after liver transplantation (LT) for other indications were also analyzed. RESULTS: Nine (13.0%) of the 69 patients meeting the inclusion criteria had papilledema. The neurological and neuroimaging results in all 9 patients were normal. These 9 patients were categorized into 4 groups: a nontransplant group (nâ=â1), a group with pretransplant papilledema persistent after LT (nâ=â2), a group with papilledema occurring after LT with spontaneous resolution (nâ=â1), and a group with papilledema and signs of ICHT after LT (nâ=â5). The patients with ICHT were treated with steroids alone (nâ=â1) or with acetazolamide (nâ=â4). A ventriculoperitoneal shunt was placed in 2 of the 5 cases because of progressive visual loss. Pseudopapilledema was present in 10 additional patients (14.5%, 10/69). One (2.5%) of the 40 patients without ALGS developed papilledema after LT. CONCLUSIONS: True ICHT may be underdiagnosed in patients with ALGS. Our findings underscore the need for close ophthalmic follow-up before and after LT in these patients.
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Síndrome de Alagille , Enfermedades Hereditarias del Ojo , Hipertensión Intracraneal , Enfermedades del Nervio Óptico , Papiledema , Síndrome de Alagille/complicaciones , Síndrome de Alagille/diagnóstico , Niño , Enfermedades Hereditarias del Ojo/complicaciones , Enfermedades Hereditarias del Ojo/diagnóstico , Humanos , Hipertensión Intracraneal/complicaciones , Hipertensión Intracraneal/diagnóstico , Papiledema/etiologíaRESUMEN
Alagille syndrome (ALGS) is an autosomal-dominant multisystem disorder caused by mutations in Jagged 1 (JAG1) or NOTCH2. The penetrance is low but highly variable. It is almost exclusively diagnosed in children with cholestasis and, more rarely, in their adult relatives. Here, we report the case of a patient diagnosed with ALGS in adulthood. The patient was a 28-year-old male who presented with characteristic facial features, an eye abnormality, chronic cholestasis with bile duct paucity on liver biopsy, atrial defects and stenosis of the left internal carotid artery. A novel frameshift mutation, c.2087_2088insAAAAATGG (p. W697Kfs*49), in JAG1 was identified. To our knowledge, this is the first case of ALGS diagnosed in adulthood in China. ALGS should be considered as a differential diagnosis for intrahepatic cholestasis in adult patients with a wide variety of clinical manifestations, including cardiac disease, skeletal abnormalities, ocular abnormalities and characteristic facial features.
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Síndrome de Alagille/complicaciones , Colestasis Intrahepática/etiología , Adulto , Síndrome de Alagille/genética , Conductos Biliares/anomalías , Estenosis Carotídea/diagnóstico por imagen , Mutación del Sistema de Lectura , Humanos , Proteína Jagged-1/genética , Imagen por Resonancia Magnética , Masculino , Tomografía Computarizada por Rayos XRESUMEN
Alagille syndrome is associated with decreased bile ducts, cardiac abnormalities, vertebral body fusion defects, and a typical facies. While regenerative nodules and hepatocellular carcinoma have been described in these patients, hepatic adenoma has not. Herein, we present a patient with Alagille syndrome caused by a mutation in NOTCH2 with a hepatic adenoma. The clinical, imaging, and histologic features are discussed.
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Adenoma/diagnóstico , Síndrome de Alagille/complicaciones , Neoplasias Hepáticas/diagnóstico , Adenoma/etiología , Niño , Humanos , Neoplasias Hepáticas/etiología , MasculinoRESUMEN
Planar xanthomas in children represent rare dermatologic findings associated with abnormalities in lipid metabolism. While planar xanthomas in Alagille's syndrome have been well described in the literature, there have been no cases reported of eruptive xanthomas in pediatric liver transplant patients. Herein we report a case of a 16-month-old boy status post-liver transplantation who presents with planar xanthomas secondary to cholangiopathy. A brief review of xanthomas and the related literature is also provided.
Asunto(s)
Síndrome de Alagille/diagnóstico , Colestasis/complicaciones , Hiperlipidemias/etiología , Trasplante de Hígado/efectos adversos , Xantomatosis/etiología , Síndrome de Alagille/complicaciones , Pie , Mano , Hepatitis/cirugía , Humanos , Lactante , Lípidos/sangre , MasculinoRESUMEN
BACKGROUND: Alagille syndrome is a pediatric multisystem disease with increased prevalence of cerebrovascular disease. The spectrum of cerebrovascular disease in Alagille syndrome includes cerebral aneurysms, moyamoya arteriopathy and dolichoectasia. The prevalence of cerebrovascular disease in Alagille syndrome varies widely in the literature. OBJECTIVE: To determine the prevalence of cerebrovascular disease in our institution's Alagille patient population by employing a full primary review of all available neuroimaging. MATERIALS AND METHODS: An institutional review board-approved retrospective review of all Alagille syndrome patients seen at a tertiary care children's hospital from January 2000 to January 2014 was performed. All neuroimaging studies were reviewed for arterial or venous abnormalities. The prevalence of arterial and venous abnormalities was calculated and clinical outcomes were determined. RESULTS: Fifty-two patients with Alagille syndrome ranging in age from 11 months to 27 years were studied. Nineteen (37%) had dedicated vascular neuroimaging. Six (32%) had cerebral arterial disease, 4 with dolichoectasia, 3 with aneurysm(s) and 2 with moyamoya arteriopathy. Three of the four patients with dolichoectasia had associated aneurysm(s). Venous anomalies were present in 4 (21%) patients. One patient with moyamoya arteriopathy underwent revascularization procedures. No deaths were attributable to cerebrovascular disease. CONCLUSION: Cerebral vasculopathy is an important feature of Alagille syndrome and includes dolichoectasia, cerebral aneurysms and moyamoya arteriopathy. The high prevalence identified in our study suggests noninvasive vascular neuroimaging screening should be performed in this patient population. In addition to cerebral arterial abnormalities, alterations of venous development may be a feature of Alagille syndrome.
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Síndrome de Alagille/complicaciones , Síndrome de Alagille/diagnóstico por imagen , Enfermedades Cardiovasculares/diagnóstico por imagen , Enfermedades Cardiovasculares/etiología , Enfermedades Arteriales Cerebrales/diagnóstico por imagen , Enfermedades Arteriales Cerebrales/etiología , Neuroimagen/métodos , Adolescente , Adulto , Niño , Preescolar , Femenino , Humanos , Lactante , Masculino , Prevalencia , Estudios RetrospectivosRESUMEN
Severe pulmonary hypertension is a contraindication for liver transplantation owing to high mortality. However, decision-making regarding the treatment approach for patients with bilateral peripheral pulmonary artery stenosis, typically complicated by elevated main pulmonary artery and right ventricle pressures, can be challenging. Here, we report successful living donor liver transplantation after bilateral pulmonary artery stent implantation in a patient with Alagille syndrome, severe bilateral peripheral pulmonary artery stenosis, and extremely high main pulmonary artery and right ventricle pressures.
Asunto(s)
Síndrome de Alagille/cirugía , Cateterismo Cardíaco , Hipertensión Pulmonar/cirugía , Trasplante de Hígado/métodos , Estenosis de Arteria Pulmonar/cirugía , Síndrome de Alagille/complicaciones , Humanos , Hipertensión Pulmonar/complicaciones , Lactante , Donadores Vivos , Masculino , Estenosis de Arteria Pulmonar/complicaciones , StentsRESUMEN
OBJECTIVES: Pruritus is a severe symptom accompanying chronic cholestasis. It can be debilitating and difficult to control. In children, first-line treatments are ursodeoxycholic acid and rifampicin. Refractory pruritus may require invasive therapies including liver transplantation. Clinical trials based on small samples of adult patients suggest that serotonin reuptake inhibitors can improve pruritus in cholestatic or uremic disease. We performed a prospective, multicenter study to assess efficiency and safety of the serotonin reuptake inhibitor sertraline in treating children with refractory cholestatic pruritus. METHODS: Twenty children experiencing refractory cholestatic pruritus related to Alagille syndrome or progressive familial intrahepatic cholestasis were included from 4 centers between 2007 and 2014, and treated with sertraline at a starting dose of 1 mgâ·âkgâ·âday and thereafter individually adapted up to 4 mgâ·âkgâ·âday. Before and after 3 months with therapy, pruritus was assessed using a visual itching scale graded on 10 points, a skin scratch marks score and a sleeping impairment score. RESULTS: Sertraline was prescribed at a median daily dose of 2.2 mgâ·âkgâ·âday. After 3 months, pruritus improved in 14 out of 20 treated patients, and the median itching score decreased significantly from 8/10 (5-10) to 5/10 (2-10). Likewise, skin scratch marks and sleep quality improved in 9 of these 14 patients. Nonsevere adverse events were reported in 6 children, leading to treatment discontinuation in 3. CONCLUSION: Our data suggest that sertraline may constitute a useful drug in the management of refractory cholestatic pruritus in children.