Rafael J. Sierra, MD, Professor of Orthopedic Surgery, Consultant, Orthopedic Surgeon Fellowship Director, Lower Reconstruction, Mayo Clinic, Rochester, MN, USA

• Part I: Pre-Collapse: Treatment of Early Stage Osteonecrosis.- Osteonecrosis and Thrombophilia, Pathophysiology, Diagnosis and Treatment.- Bisphosphonates.- Successful Decompression with Multiple Percutaneous Drilling.- Simultaneous Cell Therapy Preserving Surgery and Contralateral Arthroplasty for Bilateral Hip Osteonecrosis.- Bilateral Osteonecrosis Associated with Corticosteroid Treatment: Stem Cell Therapy versus Core Decompression in the Same Patient.- Minimally Invasive Core Decompression Augmented with Concentrated Autologous Mesenchymal Stem Cells.- Core Decompression and Bone Marrow Stem Cell Injection.- Osteonecrosis of the Femoral Head.- Bilateral Hip Decompression Using X-REAM® and PRO-DENSE®.- Surgical Dislocation and Osteochondral Autograft Transfer System (OATS) as Salvage of Failed Core Decompression Complicated by Femoral Head Penetration.- Part II: Post-Collapse: Head Preserving.- Non-Vascularized Bone Grafting.- BilateralNon-Vascularized Bone Grafting.- Femoral Head Decompression Using the X-REAM® Followed by Autologous Tibial Cancellous Bone Impaction.- Autologous Osteochondral Transfer for Management of Femoral Head Osteonecrosis.- Long-term Result of Hip Decompression and Vascularized Fibula for Steinberg Stage IV AVN.- Bone Grafting Pedicled with Femoral Quadratus for Alcohol-induced Osteonecrosis of the Femoral Head.- Transtrochanteric Anterior Rotational Osteotomy of the Femoral Head for Treatment of Osteonecrosis Affecting the Hip.- Part III. Post-Collapse: Arthroplasty and Complications.- Systemic Lupus Erythematosus Patient Requiring THA.- Attempted Bone Grafting Converted Intra-operatively to THA.- All Osteonecroses Are Not Predictor of Poor Outcome with Cemented Total Hip Arthroplasty: A 30-year Follow-up Case Presentation with Bilateral Ceramic on Ceramic Bearing Surface.- Complications of Uncemented Total Hip Arthroplasty: Failure.- Complications of Uncemented Total Hip Arthroplasty: Success.

Rafael J. Sierra, MD, Professor of Orthopedic Surgery, Consultant, Orthopedic Surgeon Fellowship Director, Lower Reconstruction, Mayo Clinic, Rochester, MN, USA

• Part I: Pre-Collapse: Treatment of Early Stage Osteonecrosis.- Osteonecrosis and Thrombophilia, Pathophysiology, Diagnosis and Treatment.- Bisphosphonates.- Successful Decompression with Multiple Percutaneous Drilling.- Simultaneous Cell Therapy Preserving Surgery and Contralateral Arthroplasty for Bilateral Hip Osteonecrosis.- Bilateral Osteonecrosis Associated with Corticosteroid Treatment: Stem Cell Therapy versus Core Decompression in the Same Patient.- Minimally Invasive Core Decompression Augmented with Concentrated Autologous Mesenchymal Stem Cells.- Core Decompression and Bone Marrow Stem Cell Injection.- Osteonecrosis of the Femoral Head.- Bilateral Hip Decompression Using X-REAM® and PRO-DENSE®.- Surgical Dislocation and Osteochondral Autograft Transfer System (OATS) as Salvage of Failed Core Decompression Complicated by Femoral Head Penetration.- Part II: Post-Collapse: Head Preserving.- Non-Vascularized Bone Grafting.- BilateralNon-Vascularized Bone Grafting.- Femoral Head Decompression Using the X-REAM® Followed by Autologous Tibial Cancellous Bone Impaction.- Autologous Osteochondral Transfer for Management of Femoral Head Osteonecrosis.- Long-term Result of Hip Decompression and Vascularized Fibula for Steinberg Stage IV AVN.- Bone Grafting Pedicled with Femoral Quadratus for Alcohol-induced Osteonecrosis of the Femoral Head.- Transtrochanteric Anterior Rotational Osteotomy of the Femoral Head for Treatment of Osteonecrosis Affecting the Hip.- Part III. Post-Collapse: Arthroplasty and Complications.- Systemic Lupus Erythematosus Patient Requiring THA.- Attempted Bone Grafting Converted Intra-operatively to THA.- All Osteonecroses Are Not Predictor of Poor Outcome with Cemented Total Hip Arthroplasty: A 30-year Follow-up Case Presentation with Bilateral Ceramic on Ceramic Bearing Surface.- Complications of Uncemented Total Hip Arthroplasty: Failure.- Complications of Uncemented Total Hip Arthroplasty: Success.

Rafael J. Sierra, MD, Professor of Orthopedic Surgery, Consultant, Orthopedic Surgeon Fellowship Director, Lower Reconstruction, Mayo Clinic, Rochester, MN, USA

• Part I: Pre-Collapse: Treatment of Early Stage Osteonecrosis.- Osteonecrosis and Thrombophilia, Pathophysiology, Diagnosis and Treatment.- Bisphosphonates.- Successful Decompression with Multiple Percutaneous Drilling.- Simultaneous Cell Therapy Preserving Surgery and Contralateral Arthroplasty for Bilateral Hip Osteonecrosis.- Bilateral Osteonecrosis Associated with Corticosteroid Treatment: Stem Cell Therapy versus Core Decompression in the Same Patient.- Minimally Invasive Core Decompression Augmented with Concentrated Autologous Mesenchymal Stem Cells.- Core Decompression and Bone Marrow Stem Cell Injection.- Osteonecrosis of the Femoral Head.- Bilateral Hip Decompression Using X-REAM® and PRO-DENSE®.- Surgical Dislocation and Osteochondral Autograft Transfer System (OATS) as Salvage of Failed Core Decompression Complicated by Femoral Head Penetration.- Part II: Post-Collapse: Head Preserving.- Non-Vascularized Bone Grafting.- BilateralNon-Vascularized Bone Grafting.- Femoral Head Decompression Using the X-REAM® Followed by Autologous Tibial Cancellous Bone Impaction.- Autologous Osteochondral Transfer for Management of Femoral Head Osteonecrosis.- Long-term Result of Hip Decompression and Vascularized Fibula for Steinberg Stage IV AVN.- Bone Grafting Pedicled with Femoral Quadratus for Alcohol-induced Osteonecrosis of the Femoral Head.- Transtrochanteric Anterior Rotational Osteotomy of the Femoral Head for Treatment of Osteonecrosis Affecting the Hip.- Part III. Post-Collapse: Arthroplasty and Complications.- Systemic Lupus Erythematosus Patient Requiring THA.- Attempted Bone Grafting Converted Intra-operatively to THA.- All Osteonecroses Are Not Predictor of Poor Outcome with Cemented Total Hip Arthroplasty: A 30-year Follow-up Case Presentation with Bilateral Ceramic on Ceramic Bearing Surface.- Complications of Uncemented Total Hip Arthroplasty: Failure.- Complications of Uncemented Total Hip Arthroplasty: Success.