The spinopelvic relationship made simple: What every hip surgeon needs to know to prevent instability in high-risk patients undergoing total hip arthroplasty

Chalmers, 2016, High failure rate of modular exchange with a specific design of a constrained liner in high-risk patients undergoing revision total hip arthroplasty, J Arthroplasty, 31, 1963, 10.1016/j.arth.2016.02.021 Daly, 1992, Operative correction of an unstable total hip arthroplasty, J Bone Joint Surg Am, 74, 1334, 10.2106/00004623-199274090-00006 Dorr, 1983, Classification and treatment of dislocations of total hip arthroplasty, Clin Orthop Relat Res, 151 Sheridan, 1971, Primary total hip arthroplasty: registry data for fixation methods and bearing options at a minimum of 10 years, Irish J Med Sci Khan, 2006, Operative and non-operative treatment options for dislocation of the hip following total hip arthroplasty, Cochrane database Syst Rev Phillips, 2003, Incidence rates of dislocation, pulmonary embolism, and deep infection during the first six months after elective total hip replacement, J Bone Joint Surg Am, 85–A, 20, 10.2106/00004623-200301000-00004 Buckland, 2017, Dislocation of a primary total hip arthroplasty is more common in patients with a lumbar spinal fusion, Bone Joint J, 99–B, 585, 10.1302/0301-620X.99B5.BJJ-2016-0657.R1 Buckland, 2015, Acetabular anteversion changes due to spinal deformity correction: bridging the gap between hip and spine surgeons, J Bone Joint Surg Am, 97, 1913, 10.2106/JBJS.O.00276 Perfetti, 2017, Prosthetic dislocation and revision after primary total hip arthroplasty in lumbar fusion patients: a propensity score matched-pair analysis, J Arthroplasty, 32, 1635, 10.1016/j.arth.2016.11.029 Bozic, 2009, The epidemiology of revision total hip arthroplasty in the United States, J Bone Jt Surg Am Vol, 91, 128, 10.2106/JBJS.H.00155 Wera, 2012, Classification and management of the unstable total hip arthroplasty, J Arthroplasty, 27, 710, 10.1016/j.arth.2011.09.010 Lewinnek, 1978, Dislocations after total hip-replacement arthroplasties, J Bone Joint Surg Am, 60, 217, 10.2106/00004623-197860020-00014 Abdel, 2016, What safe zone? The vast majority of dislocated thas are within the lewinnek safe zone for acetabular component position, Clin Orthop Relat Res, 474, 386, 10.1007/s11999-015-4432-5 Esposito, 2015, Cup position alone does not predict risk of dislocation after hip arthroplasty, J Arthroplasty, 30, 109, 10.1016/j.arth.2014.07.009 Schwab, 2013, Radiographical spinopelvic parameters and disability in the setting of adult spinal deformity: a prospective multicenter analysis, Spine (Phila Pa 1976), 38, E803, 10.1097/BRS.0b013e318292b7b9 Schwab, 2009, Sagittal plane considerations and the pelvis in the adult patient, Spine (Phila Pa 1976), 34, 1828, 10.1097/BRS.0b013e3181a13c08 Kanawade, 2014, Predictability of acetabular component angular change with postural shift from standing to sitting position, J Bone Joint Surg Am, 96, 978, 10.2106/JBJS.M.00765 Murray, 1993, The definition and measurement of acetabular orientation, J Bone Joint Surg Br, 75, 228, 10.1302/0301-620X.75B2.8444942 Stefl, 2017, Spinopelvic mobility and acetabular component position for total hip arthroplasty, Bone Joint J, 99–B, 37, 10.1302/0301-620X.99B1.BJJ-2016-0415.R1 Zhu, 2010, Quantification of pelvic tilt in total hip arthroplasty, Clin Orthop Relat Res, 468, 571, 10.1007/s11999-009-1064-7 Lafage, 2011, Spino-pelvic parameters after surgery can be predicted: a preliminary formula and validation of standing alignment, Spine (Phila Pa 1976), 36, 1037, 10.1097/BRS.0b013e3181eb9469 Lembeck, 2005, Pelvic tilt makes acetabular cup navigation inaccurate, Acta Orthop, 76, 517, 10.1080/17453670510041501 Lazennec, 2011, Acetabular anteversion with CT in supine, simulated standing, and sitting positions in a THA patient population, Clin Orthop Relat Res, 469, 1103, 10.1007/s11999-010-1732-7 Tiberi J, 2015, What is the fate of total hip arthroplasty (THA) acetabular component orientation when evaluated in the standing position?, J Arthroplasty, 30, 1555, 10.1016/j.arth.2015.03.025 Babisch, 2008, The rationale for tilt-adjusted acetabular cup navigation, J Bone Joint Surg Am [Internet], 90, 357, 10.2106/JBJS.F.00628 Maratt, 2015, Pelvic tilt in patients undergoing total hip arthroplasty: when does it matter?, J Arthroplasty, 30, 387, 10.1016/j.arth.2014.10.014 Wan, 2009, Imaging and navigation measurement of acetabular component position in THA, Clin Orthop Relat Res, 467, 32, 10.1007/s11999-008-0597-5 Esposito, 2016, Does degenerative lumbar spine disease influence femoroacetabular flexion in patients undergoing total hip arthroplasty?, Clin Orthop Relat Res, 474, 1788, 10.1007/s11999-016-4787-2 Lum, 2018, The current knowledge on spinopelvic mobility, J Arthroplasty, 33, 291, 10.1016/j.arth.2017.08.013 Patel, 2007, The dislocating hip arthroplasty, J Arthroplasty, 22, 86, 10.1016/j.arth.2006.12.111 Yoshimoto, 2017, Re-dislocation after revision total hip arthroplasty for recurrent dislocation: a multicentre study, Int Orthop, 41, 253, 10.1007/s00264-016-3127-1 McGann, 2001, Treatment of the unstable total hip arthroplasty using modularity, soft tissue, and allograft reconstruction, J Arthroplasty, 16, 19, 10.1054/arth.2001.29137 Vigdorchik, 2018, A simple scoring system for determining instability risk in THA Flecher, 2016, Lower limb length and offset in total hip arthroplasty, Orthop Traumatol Surg Res [Internet], 102, S9, 10.1016/j.otsr.2015.11.001 Lafage, 2015, Validation of a new computer-assisted tool to measure spino-pelvic parameters, Spine J, 15, 2493, 10.1016/j.spinee.2015.08.067 Lu, 2013, Reliability and validity of measuring acetabular component orientation by plain anteroposterior radiographs, Clin Orthop Relat Res, 471, 2987, 10.1007/s11999-013-3021-8 Vigdorchik, J, Eftekhary N, Elbuluk A, Abdel M, Buckland A, Schwarzkopf R, Jerabek S, et al. Evaluation of the spine is critical in the workup of recurrent instability after total hip arthroplasty. Awaiting Publ.