​ E. Carlos Rodríguez-Merchán is a Specialist in Orthopedic Surgery and Consultant Orthopedic Surgeon currently working at the Department of Orthopedic Surgery, La Paz University Hospital, Madrid, Spain. Dr. Rodríguez-Merchán graduated from Complutense University with a degree in Medicine and Surgery in 1974, and subsequently completed a PhD in Medicine and Surgery. He is a former Associate Professor of Orthopedics at the Autonomous University of Madrid. Dr. Rodríguez-Merchán is the author of more than 300 articles in peer-reviewed PubMed-cited journals, as well as 10 books.Alexander D. Liddle is a Senior Clinical Lecturer at Imperial College and Consultant at St Mary’s and Charing Cross Hospitals, London, UK. He has published 40 articles in MEDLINE (PubMed) journals and 2 books.

• I HIP.- 1 THR: cemented or uncemented?.- 2 Conventional THR or Hip Resurfacing?.- 3 Bilateral THA: 1-Stage or 2-Stage?.- 4 Osteonecrosis of the femoral head: core decompression or THA.- II KNEE.- 5 Cartilage injuries: therapeutic alternatives.- 6 Acute ACL injuries: reconstruction or repair?.- 7 ACL reconstruction: isolated or combined with an extra-articular procedure?.- 8 HTO: Closed wedge or open wedge?.- 9 HTO or UKA?.- 10 UKA or TKA?.-  11 Bilateral TKA: 1-Stage or 2-Stage?.- 12 TKA acute hematogenous infection: DAIR, single or two stage revision.- 13 Femoral periprosthetic fractures: plate fixation, IM nailing or endoprosthetic replacement?.- III ANKLE.- 14 Arthrodesis or TAR?.- 15 Achilles ruptures: nonoperative treatment, open repair or percutaneous repair?

​ E. Carlos Rodríguez-Merchán is a Specialist in Orthopedic Surgery and Consultant Orthopedic Surgeon currently working at the Department of Orthopedic Surgery, La Paz University Hospital, Madrid, Spain. Dr. Rodríguez-Merchán graduated from Complutense University with a degree in Medicine and Surgery in 1974, and subsequently completed a PhD in Medicine and Surgery. He is a former Associate Professor of Orthopedics at the Autonomous University of Madrid. Dr. Rodríguez-Merchán is the author of more than 300 articles in peer-reviewed PubMed-cited journals, as well as 10 books.Alexander D. Liddle is a Senior Clinical Lecturer at Imperial College and Consultant at St Mary’s and Charing Cross Hospitals, London, UK. He has published 40 articles in MEDLINE (PubMed) journals and 2 books.

• I HIP.- 1 THR: cemented or uncemented?.- 2 Conventional THR or Hip Resurfacing?.- 3 Bilateral THA: 1-Stage or 2-Stage?.- 4 Osteonecrosis of the femoral head: core decompression or THA.- II KNEE.- 5 Cartilage injuries: therapeutic alternatives.- 6 Acute ACL injuries: reconstruction or repair?.- 7 ACL reconstruction: isolated or combined with an extra-articular procedure?.- 8 HTO: Closed wedge or open wedge?.- 9 HTO or UKA?.- 10 UKA or TKA?.-  11 Bilateral TKA: 1-Stage or 2-Stage?.- 12 TKA acute hematogenous infection: DAIR, single or two stage revision.- 13 Femoral periprosthetic fractures: plate fixation, IM nailing or endoprosthetic replacement?.- III ANKLE.- 14 Arthrodesis or TAR?.- 15 Achilles ruptures: nonoperative treatment, open repair or percutaneous repair?

​ E. Carlos Rodríguez-Merchán is a Specialist in Orthopedic Surgery and Consultant Orthopedic Surgeon currently working at the Department of Orthopedic Surgery, La Paz University Hospital, Madrid, Spain. Dr. Rodríguez-Merchán graduated from Complutense University with a degree in Medicine and Surgery in 1974, and subsequently completed a PhD in Medicine and Surgery. He is a former Associate Professor of Orthopedics at the Autonomous University of Madrid. Dr. Rodríguez-Merchán is the author of more than 300 articles in peer-reviewed PubMed-cited journals, as well as 10 books.Alexander D. Liddle is a Senior Clinical Lecturer at Imperial College and Consultant at St Mary’s and Charing Cross Hospitals, London, UK. He has published 40 articles in MEDLINE (PubMed) journals and 2 books.

• I HIP.- 1 THR: cemented or uncemented?.- 2 Conventional THR or Hip Resurfacing?.- 3 Bilateral THA: 1-Stage or 2-Stage?.- 4 Osteonecrosis of the femoral head: core decompression or THA.- II KNEE.- 5 Cartilage injuries: therapeutic alternatives.- 6 Acute ACL injuries: reconstruction or repair?.- 7 ACL reconstruction: isolated or combined with an extra-articular procedure?.- 8 HTO: Closed wedge or open wedge?.- 9 HTO or UKA?.- 10 UKA or TKA?.-  11 Bilateral TKA: 1-Stage or 2-Stage?.- 12 TKA acute hematogenous infection: DAIR, single or two stage revision.- 13 Femoral periprosthetic fractures: plate fixation, IM nailing or endoprosthetic replacement?.- III ANKLE.- 14 Arthrodesis or TAR?.- 15 Achilles ruptures: nonoperative treatment, open repair or percutaneous repair?