Publications
2024
- Nathan V Houlihan , Daniel J Sucato, Tanner Thornton, Jeffrey J Nepple John C Clohisy, Wudbhav N Sankar, on behalf of the ANCHOR study group Short-term outcomes of periacetabular osteotomy versus periacetabular osteotomy with concomitant femoral osteochondroplasty: a propensity matched analysis J Hip Preserv Surg. 2024 Dec 18;12(1):40-45. doi: 10.1093/jhps/hnae046. PMID: 40331070; PMCID: PMC12051856.
- Clohisy JC, Nepple JJ, Beaulé PE, Zaltz I, Millis M, Sierra RJ, Kim YJ, Sucato D, Sink E; ANCHOR Group. Development and implementation of a roadmap for improving quality of care in prearthritic hip disease: A journey over 20 years. J Orthop Res. 2024 Aug 23. doi: 10.1002/jor.25953. Epub ahead of print. PMID: 39180284.
- Willey M, Spiker AM, Schmitz MR, Belzile EL, Sierra RJ, Clohisy J; ANCHOR Group; Stover M. Peri-Operative Management of Periacetabular Osteotomy: A Report of Current Practices from the Anchor Group, Supporting Literature, and Areas for Future Investigation. Iowa Orthop J. 2024;44(1):159-166. PMID: 38919350; PMCID: PMC11195894.
2023
- Yen YM, Kim YJ, Ellis HB, Sink EL, Millis MB, Zaltz I, Sankar WN, Clohisy JC, Nepple JJ; ANCHOR Group. Risk Factors for Suboptimal Outcome of FAI Surgery in the Adolescent Patient.
- Robert W. Westermann MD; Jeffrey J. Nepple MD, Cecilia Pascual-Garrido MD, PhD, Christopher M. Larson MD, Ira Zaltz MD, Paul E. Beaulé MD, ANCHOR Study Group, Young-Jo Kim MD, PhD, Michael Millis MD, Daniel J. Sucato MD, Ernest L. Sink MD, Rafael J. Sierra MD, David A. Podeszwa MD, Wudbhav N. Sankar MD, Asheesh Bedi MD, Travis H. Matheney MD, Eduardo N. Novais MD, Etienne L. Belzile MD, John C. Clohisy MD The Impact of Age on Clinical Outcomes of Acetabular Microfracture During FAI Surgery
2021
- Andrew M. Block, BS; Arya Minaie, MD; James R. Ross, MD; John C. Clohisy, MD; ANCHOR Group; Jeffrey J. Nepple, MD Insurance Coverage Criteria For Femoroacetabular Impingement Surgery: Are They Responding To Improving Evidence?
- Brian T Muffly, Anthony J Zacharias, Kate N Jochimsen, Stephen T Duncan, Cale A Jacobs, ANCHOR Study Group, John C Clohisy Age at the Time of Surgery Is Not Predictive of Early Patient-Reported Outcomes After Periacetabular Osteotomy
- Tristan Maerz, Jeffrey J Nepple, Asheesh Bedi, Ira Zaltz, Étienne Belzile, Paul E Beaulé, Ernest L Sink, John C Clohisy, ANCHOR Group Sex Differences in Clinical Outcomes Following Surgical Treatment of Femoroacetabular Impingement
2020
- Matthew R Schmitz, Andrew S Murtha, John C Clohisy, ANCHOR Study Group Developmental Dysplasia of the Hip in Adolescents and Young Adults
- Nepple, Jeffrey J. MD1; Zaltz, Ira MD2; Larson, Christopher M. MD3; Beaulé, Paul E. MD, FRCSC4; Kim, Young-Jo MD5; Millis, Michael B. MD5; Sierra, Rafael J. MD6; Clohisy, John C. MD1,a; the ANCHOR Group Surgical Treatment of Femoroacetabular Impingement: Hip Arthroscopy Versus Surgical Hip Dislocation, The Journal of Bone and Joint Surgery: November 4, 2020 – Volume 102 – Issue Suppl 2 – p 51-58 doi: 10.2106/JBJS.20.00265 Surgical Treatment of Femoroacetabular Impingement: Hip Arthroscopy Versus Surgical Hip Dislocation: A Propensity-Matched Analysis
- Petrie JR, Novais EN, An TW; ANCHOR Study Group, Clohisy J. What Is the Impact of Periacetabular Osteotomy Surgery on Patient Function and Activity Levels? J Arthroplasty. 2020 Jun;35(6S):S113-S118. doi: 10.1016/j.arth.2020.03.002. Epub 2020 Mar 5. PMID: 32241651.
- Geoffrey P Wilkin, Stéphane Poitras, John Clohisy, Etienne Belzile, Ira Zaltz, George Grammatopoulos, Gerd Melkus, Kawan Rakhra, Tim Ramsay, Kednapa Thavorn, Paul E Beaulé Periacetabular osteotomy with or without arthroscopic management in patients with hip dysplasia: study protocol for a multicenter randomized controlled trial
2019
- Adam I Edelstein, Karen Kaiser Tegel, Sara Shaunfield, ANCHOR Group , John C Clohisy, Michael D Stover ANCHOR surgeon views of patient selection and expectations for periacetabular osteotomy
- Pascual-Garrido C, Li DJ, Grammatopoulos G, Yanik EL, Clohisy JC; ANCHOR Group. The Pattern of Acetabular Cartilage Wear Is Hip Morphology-dependent and Patient Demographic-dependent.
- Su AW, Hillen TJ, Eutsler EP, Bedi A, Ross JR, Larson CM, Clohisy JC, Nepple JJ.Low-Dose Computed Tomography Reduces Radiation Exposure by 90% Compared With Traditional Computed Tomography Among Patients Undergoing Hip-Preservation Surgery.
2018
- Novais EN, Coobs BR, Nepple JJ, Clohisy JC; ANCHOR Study Group. Previous failed hip arthroscopy negatively impacts early patient-reported outcomes of the periacetabular osteotomy: an ANCHOR Matched Cohort Study.
- Haynes JA, Pascual-Garrido C, An TW, Nepple JJ; ANCHOR Group , Clohisy JC. Trends of hip arthroscopy in the setting of acetabular dysplasia.
- Cale A. Jacobs, PhD, Michael R. Peabody, PhD, Stephen T. Duncan, MD, Ryan D. Muchow, MD, Ryan M. Nunley, MD, the ANCHOR Group, and John C. Clohisy, MD, Investigation performed at the University of Kentucky, Lexington, Kentucky, USA. Development of the HOOSglobal to Assess Pateint-Reported Outcomes in Patients Undergoing Hip Preservation Procedures
- George Grammatopoulos, MBBS, DPhil (Oxon), FRCS (Tr & Orth), Paul E. Beaul, MD, FRCSC, Cecilia Pascual-Garrido, MD, Jeff J. Nepple, MD, ANCHOR Group, John C. Clohisy, MD, Does Severity of Acetabular Dysplasia Influence Clinical Outcomes After Pericetabular Osteotomy? A Case-Control Study
2017
- Jeffrey J. Nepple, John C. Clohisy, ANCHOR Study Group Members.Evolution of Femoroacetabular Impingement Treatment: The ANCHOR Experience Am J Orthop. 2017 Jan; 46(1):28-34. PMID: 28235110.
- Sankar WN, Duncan ST, Baca GR, Beaulé PE, Millis MB, Kim YJ, Peters CL, Podeszwa DA, Schoenecker PL, Sierra RJ, Sink EL, Sucato DJ, Trousdale RT, Zaltz I, Clohisy JC. Descriptive Epidemiology of Acetabular Dysplasia: The Academic Network of Conservational Hip Outcomes Research (ANCHOR) Periacetabular Osteotomy J Am Acad Orthop Surg. 2017 Feb;25(2):150-159. PMID: 28098707
- Clohisy JC, Ackerman J, Baca G, Baty J, Beaulé PE, Kim YJ, Millis MB, Podeszwa DA, Schoenecker PL, Sierra RJ, Sink EL, Sucato DJ, Trousdale RT, Zaltz I. Patient-Reported Outcomes of Periacetabular Osteotomy from the Prospective ANCHOR Cohort Study J Bone Joint Surg Am. 2017 Jan 4;99(1)33:33-41. PMID28060231.
- Michael D. Hellman, MD, Jeffery J. Nepple, MD, Cecilia Pascual-Garrido, MD, Rafael J. Sierra, MD, John C. Clohisy, MD, ANCHOR Study Group. Acetabular Focal Chondral Lesions Are Not Associated With Worse Outcomes After Periacetabular Osteotomy: A Matched Group Analyses.
- Byrd JWT, Clohisy JC, Kim YJ, Gwathmey FW, Jones KS, Millis MB.Hip dysplasia in wrestlers: three lessons learned.
ARTICLE
2016
- Belzile EL, Beaulé PE, Ryu JJ, Clohisy JC; Academic Network of Conservation Hip Outcome Research (ANCHOR) Members. Outcomes of joint preservation surgery: comparison of patients with developmental dysplasia of the hip and femoroacetabular impingement. J Hip Preserv Surg. 2016 Nov 10;3(4):270-277.
- Ross JR, Bedi A, Clohisy JC, Gagnier JJ; ANCHOR Study Group, Larson CM. Surgeon Willingness to Participate in Randomized Controlled Trials for the Treatment of Femoroacetabular Impingement. Arthroscopy 2016 Jan;32(1):20-4. PMID: 26395410.
- Fabricant PD, Sankar WN, Seeley MA, Beaulé PE, Clohisy JC, Kim YJ, Millis MB, Peters CL Podeszwa DA, Schoenecker PL, Sierra RJ, Sink El Sucato DJ, Zaltz I. Femoral Deformity May Be More Predictive of Hip Range of Motion Than Severity of Acetabular Disease in Patients With Acetabular Dysplasia: An Analysis of the ANCHOR Cohort J Am Acad Orthop Surg. 2016 Jul;24(8):465-74. PMID: 27314923.
- Larson CM, Clohisy JC, Beaulé PE, Kelly BT, Giveans MR, Stone RM, Samuelson KM, ANCHOR Study Group. Intraoperative and Early Postoperative Complications After Hip Arthroscopic Surgery: A Prospective Multicenter Trial Utilizing a Validated Grading Scheme. Am J Sports Med. 2016 Sep;44(9):2292-8. PMID: 27311412.
- Matheney T, Zaltz I, Kim YJ, Schoenecker P, Millis M, Podeszwa D, Zurakowski D, Beaulé, Clohsiy J, ANCHOR Study Group. Activity Level and Severity of Dysplasia Predict Age at Bernese Periacetabular Osteotomy for Symptomatic Hip Dysplasia J Bone Joint Surg Am. 2016 Apr 20;65(8):665-71. PMID: 27098325.
2015
- Novais EN, Potter GD, Clohisy JC, Millis MB, Kim YJ, Trousdale RT, Carry PM, Sierra RJ.Obesity is a major risk factor for the development of complications after peri-acetabular osteotomy.
- Sankar WN, Beaulé PE, Clohisy JC, Kim YJ, Millis MB, Peters CL, Podeszwa DA, Schoenecker PL, Sierra RJ, Sink EL, Sucato DJ, Zaltz I.Labral morphologic characteristics in patients with symptomatic acetabular dysplasia. Am J Sports Med 42(10): 2393-401, 2014. PMID: 25134816.
2014
- Ross JR, Clohisy JC, Baca G, Sink EL, ANCHOR Investigators. Patient and Disease Characteristics Associated with Hip Arthroscopy Failure in Acetabular Dysplasia. J Arthroplasty 29(9) Suppl. 2, 160-163, 2014. PMID: 24970582.
- Nepple JJ, Martell JM, Kim YJ, Zaltz I, Millis MB, Podeszwa DA, Sucato DJ, Sink EL, Clohisy JC, ANCHOR Study Group. Interobserver and intraobserver reliability of the radiographic analysis of femoroacetabular impingement and dysplasia using computer-assisted measurements. Am J Sports Med 42(10): 2393-401, 2014. PMID: 25134816.
- Christopher M. Larson M.D., Bryan T. Kelly M.D., Michael Leunig M.D., Ira Zaltz M.D., John C. Clohisy M.D.Regarding “Surgical Dislocation of the Hip Versus Arthroscopic Treatment of Femoroacetabular Impingement: A Prospective Matched-Pair Study With Average 2-Year Follow-up”
- Zaltz I, Baca G, Kim YJ, Schoenecker P, Trousdale R, Sierra R, Sucato D, Sink E, Beaulé P, Millis MB3, Podeszwa D, Clohisy JC.Complications associated with the periacetabular osteotomy: a prospective multicenter study. Am J Sports Med 42(10): 2393-401, 2014. PMID: 25134816.
2013
- Clohisy JC, Nepple JJ, Larson CM, Zaltz I, Millis M; the Academic Network of Conservation Hip Outcome Research (ANCHOR) Members. Persistent structural disease is the most common cause of repeat hip preservation surgery. Clin Orthop Relat Res. 2013 Dec; 471(12):3788-94. PMID: 23934030 PMCID: PMC3825903.
- Nepple JJ, Prather H, Trousdale RT, Clohisy JC, Beaulé PE, Glyn-Jones S, Kim YJ.Clinical diagnosis of femoroacetabular impingement. Clin Orthop Relat Res. 2013 Dec; 471(12):3788-94. PMID: 23934030 PMCID: PMC3825903.
- Nepple JJ, Prather H, Trousdale RT, Clohisy JC, Beaulé PE, Glyn-Jones S, Rakhra K, Kim YJ.Diagnostic imaging of femoroacetabular impingement. Clin Orthop Relat Res. 2013 Dec; 471(12):3788-94. PMID: 23934030 PMCID: PMC3825903.
- Clohisy JC, Baca G, Beaulé PE, Kim YJ, Larson CM, Millis MB, Podeszwa DA, Schoenecker PL, Sierra RJ, Sink EL, Sucato DJ, Trousdale RT, Zaltz I; ANCHOR Study Group.Descriptive epidemiology of femoroacetabular impingement: a North American cohort of patients undergoing surgery. Clin Orthop Relat Res. 2013 Dec; 471(12):3788-94. PMID: 23934030 PMCID: PMC3825903.
2012
- Polkowski GG, Novais EN, Kim YJ, Millis MB, Schoenecker PL, Clohisy JC. Does previous reconstructive surgery influence functional improvement and deformity correction after periacetabular osteotomy?
- Rafael J. Sierra MD, Paul Beaule MD, Ira Zaltz MD, Michael B. Millis MD, John C. Clohisy MD, Robert T. Trousdale MD, for the ANCHOR group, Prevention of nerve injury after periacetabular osteotomy.
- Nepple JJ, Martell J, Kim YJ, Zaltz I, Clohisy JC, ANCHOR Study Group. Do plain radiographs correlate with CT for imaging of cam-type femoroacetabular impingement? Clin Orthop Relat Res. 2012 Dec; 470(12):3313-20. PMID: 22930210.
- Nepple JJ, Larson CM, Smith MV, Kim YJ, Zaltz I, Sierra RJ, Clohisy JC.The reliability of arthroscopic classification of acetabular rim labrochondral disease. Clin Orthop Relat Res. 2012 Dec; 470(12):3313-20. PMID: 22930210.
- Rafael J. Sierra MD, Paul Beaule MD, Ira Zaltz MD, Michael B. Millis MD, John C. Clohisy MD, Robert T. Trousdale MD, for the ANCHOR group, Prevention of nerve injury after periacetabular osteotomy.
- Sink EL, Leunig M, Zaltz I, Gilbert JC, Clohisy J; Academic Network for Conservational Hip Outcomes Research Group.Reliability of a complication classification system for orthopaedic surgery.
2011
- Schoenecker PL, Clohisy JC, Millis MB, Wenger DR.Surgical management of the problematic hip in adolescent and young adult patients.
- Rhee PC, Woodcock JA, Clohisy JC, Millis M, Sucato DJ, Beaulé PE, Trousdale RT, Sierra RJ; Academic Network for Conservational Hip Outcomes Research Group.The Shenton line in the diagnosis of acetabular dysplasia in the skeletally mature patient. Clin Orthop Relat Res. 2012 Dec; 470(12):3313-20. PMID: 22930210.
2009
- Millis MB, Kain M, Sierra R, Trousdale R, Taunton MJ, Kim YJ, Rosenfeld SB, Kamath G, Schoenecker P, Clohisy JC. Periacetabular osteotomy for acetabular dysplasia in patients older than 40 years: a preliminary study.
- Beaulé PE, Allen DJ, Clohisy JC, Schoenecker P, Leunig M.The young adult with hip impingement: deciding on the optimal intervention.
- Clohisy JC, Carlisle JC, Trousdale R, Kim YJ, Beaule PE, Morgan P, Steger-May K, Schoenecker PL, Millis M.Radiographic evaluation of the hip has limited reliability.
2008
- Clohisy JC, Carlisle JC, Beaulé PE, Kim YJ, Trousdale RT, Sierra RJ, Leunig M, Schoenecker PL, Millis MB.A systematic approach to the plain radiographic evaluation of the young adult hip.