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Vol. 29. Núm. S2.
Abstracts Asociación Mexicana del Hígado (AMH) 2023
(febrero 2024)
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Vol. 29. Núm. S2.
Abstracts Asociación Mexicana del Hígado (AMH) 2023
(febrero 2024)
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Characteristics of patients with overlap syndrome of autoimmune liver diseases in a third level hospital.
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Orestes J. Cobos-Quevedo, Ximena E. Cuenca Avila, Viridiana López-Ladrón de Guevara, José L. Pérez-Hernández, María F Higuera-de la Tijera
Gastroenterology and Hepatology department, General Hospital of Mexico "Dr. Eduardo Liceaga", Mexico city, Mexico
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Vol. 29. Núm S2

Abstracts Asociación Mexicana del Hígado (AMH) 2023

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Introduction and Objectives

Autoimmune liver disease is classified into 3 well-defined entities: autoimmune hepatitis, primary biliary cholangitis and primary sclerosing cholangitis, there is a group of patients who show characteristics of more than one entity and is called overlap syndrome (OS), according to the Paris criteria they are classified, the prevalence of overlap in our country is low. We describe the clinical and biochemical characteristics of patients with OS treated at the liver clinic at the Hospital General de México.

Materials and Patients

It is a retrospective and descriptive study, records of the autoimmune liver disease consultation were reviewed, searching for patients with OS using the Paris criteria in the period 2014-2023, descriptive statistics were performed with measures of central tendency and dispersion using SPSS 25.0.

Results

22 patients were included, all of them with liver biopsy, 95% women aged 47 ± 12.6 years, the most common phenotype was PBC/HAI (59%). The time to diagnosis from initial manifestations ranged from 1 to 6 years, the most frequent tests were ANA (81%), AMA (63%), ASMA (18%) and LKM1 (18%), Immunoglobulin G levels on average 2048 ±643.8. The most frequent comorbidities were systemic sclerosis, arterial hypertension and hypothyroidism, the predominant symptoms were fatigue and pruritus reported in 36%; 90% were cirrhotic, Child Pugh A 70%, B 25% and C 5%. The most frequent decompensation was variceal hemorrhage (22.7%), 4.7% reported portal thrombosis, and 2 patients were transplanted.

Conclusions

Overlap syndromes are rare, we found the majority of patients are women with advancend stage of liver disease, the most frequent overlapping is PBC/HAI with a high proportion of positive serology tests and concordant biopsy, two patients underwent liver transplantation. It is important to always look for this rare syndrome.

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Ethical statement

The protocol was registered and approved by the Ethics Committee. The identity of the patients is protected. Consentment was obtained.

Declaration of interests

None

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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