Diaz Luis Antonio, Arab Juan Pablo, Idalsoaga Francisco, Perelli Javiera, Vega Javier, Dirchwolf Melisa, Carreño Javiera, Samith Bárbara, Valério Cynthia, Moreira Rodrigo Oliveira, Acevedo Mónica, Brahm Javier, Hernández Nelia, Gadano Adrian, Oliveira Claudia P, Arrese Marco, Castro-Narro Graciela, Pessoa Mario G
MASLD Research Center, Division of Gastroenterology and Hepatology, University of California San Diego, San Diego, CA, USA; Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
Departamento de Gastroenterología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile; Division of Gastroenterology, Hepatology, and Nutrition, Department of Internal Medicine, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.
Ann Hepatol. 2025 Mar 13:101903. doi: 10.1016/j.aohep.2025.101903.
Metabolic dysfunction-associated steatotic liver disease (MASLD) is one of the leading causes of chronic liver disease globally. Based on the 2023 definition, MASLD is characterized by the presence of metabolic dysfunction and limited alcohol consumption (<140 grams/week for women, <210 grams/week for men). Given the significant burden of MASLD in Latin America, this guidance was developed by the Latin American Association for the Study of the Liver (ALEH) Working Group to address key aspects of its clinical assessment and therapeutic strategies. In Latin America, ultrasonography is recommended as the initial screening tool for hepatic steatosis due to its accessibility, while Fibrosis-4 (FIB-4) is preferred for fibrosis risk stratification, with further evaluation using more specific techniques (i.e., vibration-controlled transient elastography or Enhanced Liver Fibrosis [ELF] test). A Mediterranean diet is advised for all MASLD patients, with a target of 7-10% weight loss for those with excess weight. Complete alcohol abstinence is recommended for patients with significant fibrosis, and smoking cessation is encouraged regardless of fibrosis stage. Pharmacological options should be tailored based on the presence of steatohepatitis, liver fibrosis, excess weight, and diabetes, including resmetirom, incretin-based therapies, pioglitazone, and sodium-glucose cotransporter-2 inhibitors. Bariatric surgery may be considered for MASLD patients with obesity unresponsive to lifestyle and medical interventions. Hepatocellular carcinoma screening is advised for all cirrhotic patients, with consideration given to those with advanced fibrosis based on individual risk. Finally, routine cardiovascular risk assessment and proper diabetes prevention and management remain crucial for all patients with MASLD.
代谢功能障碍相关脂肪性肝病(MASLD)是全球慢性肝病的主要病因之一。根据2023年的定义,MASLD的特征是存在代谢功能障碍且酒精摄入量有限(女性<140克/周,男性<210克/周)。鉴于MASLD在拉丁美洲造成的重大负担,拉丁美洲肝脏研究协会(ALEH)工作组制定了本指南,以应对其临床评估和治疗策略的关键方面。在拉丁美洲,由于超声检查易于获取,因此推荐将其作为肝脂肪变性的初始筛查工具,而Fibrosis-4(FIB-4)更适合用于纤维化风险分层,并使用更具体的技术(即振动控制瞬时弹性成像或增强肝纤维化[ELF]检测)进行进一步评估。建议所有MASLD患者采用地中海饮食,超重患者的目标是减重7-10%。对于有显著纤维化的患者,建议完全戒酒,无论纤维化阶段如何,都鼓励戒烟。应根据是否存在脂肪性肝炎、肝纤维化、超重和糖尿病来调整药物治疗方案,包括瑞美鲁肽、基于肠促胰岛素的疗法、吡格列酮和钠-葡萄糖协同转运蛋白2抑制剂。对于对生活方式和药物干预无反应的肥胖MASLD患者,可考虑进行减重手术。建议对所有肝硬化患者进行肝细胞癌筛查,并根据个体风险考虑对晚期纤维化患者进行筛查。最后,对所有MASLD患者进行常规心血管风险评估以及适当的糖尿病预防和管理仍然至关重要。