• Guadalupe Ortiz, Edith Andrade, Álvaro Vargas, Bernardo Ramírez, Berenice Sánchez, and Octavio Martínez.
• Hematology Department, "Dr. Gaudencio González Garza" General Hospital, High Specialty Medical Unit, Centro Médico Nacional La Raza, Instituto Mexicano del Seguro Social, Mexico City, Mexico.
• Gac Med Mex. 2022 Jan 1; 158 (1): 11-15.

BackgroundJoint ultrasound examination using the HEAD-US method in the detection of early arthropathy is poorly studied in our country.ObjectiveTo compare the clinical and ultrasound evaluation of the joints in haemophilia.MethodLongitudinal, prospective and descriptive study with paediatric patients with haemophilia A and B evaluated with the HJHS 2.1 scale and ultrasound with a linear transducer of 8 to 12 MHz. Elbows, knees and ankles joints were evaluated bilaterally, with HEAD-US protocol.Results69 paediatric patients were included of which 48 with severe haemophilia A (weight: 40.1 kg). On the HJHS scale, a greater involvement was observed in the left knee (0.49), and less in the right ankle (0.05). With the HEAD-US scale, the most affected was the right knee (0.78). There is a significant relationship in the involvement of the right knee evaluated with the HEAD-US scale in the presence of inhibitor.ConclusionsWeight above the 50th percentile is an independent risk factor for joint bleeding complications, while age and type of haemophilia do not appear to be related. The HEAD-US method is a useful and accessible tool for early detection of arthropathy and hemarthrosis.Copyright: © 2022 Permanyer.

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