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Knee Surg Sports Traumatol Arthrosc. 2014 Apr;22(4):793-800. doi: 10.1007/s00167-014-2835-6. Epub 2014 Feb 1.

Radiographic prevalence of CAM-type femoroacetabular impingement after open reduction and internal fixation of femoral neck fractures.

Collaborators (486)

Bhandari M, Swiontkowski M, Devereaux PJ, Guyatt G, Heetveld MJ, Jeray K, Liew S, Schemitsch EH, Thabane L, Walter S, Sprague S, Scott T, Swinton M, Viveiros H, Heels-Ansdell D, Zhou Q, Buckingham L, Duraikannan A, Maddock D, Swiontkowski M, Agel J, Heetveld MJ, Van Lieshout EM, Zielinski SM, Della Rocca GJ, Haverlag R, Liew S, Slobogean G, Katz J, Gillespie B, Greendale GA, Guy P, Hartman C, Rubin C, Waddell J, McCormack R, Apostle K, Boyer D, Moola F, Perey B, Stone T, Viskontas D, Lemke H, Zomar M, Moon K, Moon R, Oatt A, Buckley RE, Duffy P, Korley R, Puloski S, Johnston K, Powell J, Carcary K, Sanders D, Lawendy A, Tieszer C, Stephen D, Kreder H, Jenkinson R, Nousiainen M, Axelrod T, Murnaghan J, Nam D, Richards R, Rodriguez-Elizalde S, Wadey V, Yee A, Milner K, Kunz M, MacNevin M, Cagaanan R, Schemitsch EH, Ahn H, Hall JA, McKee MD, Whelan DB, Nauth A, Vicente M, Wild L, Khan R, Hidy J, Coles C, Leighton R, Biddulph M, Johnston D, Glazebrook M, Alexander D, Coady C, Dunbar M, Trask K, MacDonald S, Dobbin G, Bicknell R, Yach J, Bardana D, Wood G, Harrison M, Yen D, Lambert S, Howells F, Ward A, Zalzal P, Brien H, Naumetz V, Weening B, Simunovic N, Wai EK, Gofton WT, Kingwell SP, Liew A, Papp S, Johnson G, O'Neil J, Roffey DM, Borsella V, Avram V, Oliver TM, Jones V, Jones C, Ringler J, Endres T, Sietsema DL, Jeray KJ, Broderick J, Goetz DR, Pace TB, Schaller TM, Porter SE, Tanner SL, Snider RG, Nastoff LA, Bielby SA, Marcantonio AJ, Iorio R, Garfi J, Switzer JA, Cole PA, Anderson SA, Lafferty PM, Li M, Ly TV, Marston SB, Foley AL, Vang S, Wright DM, Prayson MJ, Laughlin R, Rubino J, May J, Rieser GR, Dulaney-Cripe L, Gayton C, Vallier HA, Dolenc A, Robinson C, Shaer J, Schrickel T, Hileman B, Gorczyca JT, Gross JM, Humphrey CA, Kates S, Noble K, McIntyre AW, Pecorella K, Davis CA, Weinerman S, Weingarten P, Stull P, Lindenbaum S, Hewitt M, Schwappach J, Baker JK, Mehta S, Esterhai J, Ahn J, Horan AD, McGinnis K, Kaminski CA, Kowalski BN, Cannada LK, Karges D, Hill L, Tarkin I, Siska P, Gruen G, Evans A, Farrell DJ, Irrgang J, Luther A, Keeve JP, Anderson CG, McDonald MD, Hoffman JM, Jenkins M, Dumais J, Romero AW, Hsu JR, Ficke J, Charlton M, Napierala M, Fan M, Cross WW 3rd, Cass JR, Sems SA, Torchia ME, Scrabeck T, Sagebien CA, Butler MS, Monica JT, Seuffert P, Tornetta P 3rd, Carlisle H, Silva H, Archdeacon M, Finnan R, Le T, Wyrick J, Hess S, Brennan ML, Probe R, Kile E, Mills K, Clipper L, Yu M, Erwin K, McBeth J, Aurang K, Zohman G, Peterson B, Huff RB, Schmidt AH, Westberg JR, Baele J, Weber T, Edison M, DePaolo CJ, Alosky R, Shell LE, Hampton L, Shepard S, Nanney T, Cuento C, Shively K, Ertl JP, Mullis B, Parr J, Worman R, Frizzell V, Moore MM, Tobias E, Thomas E, Zamorano DP, Pourmand D, Lawson D, Hammerberg E, Stahel P, Hak D, Mauffrey C, Gibula D, Gissel H, Henderson C, Cantu RV, Henderson ER, Eickhoff LS, Horwitz D, Strohecker K, Swenson TK, Della Rocca GJ, Crist BD, Murtha YM, McPherson M, Anderson LK, Dohm MP, Zellar A, Linehan C, Pilling L, Lewis CG, Caminiti S, Sullivan RJ, Roper E, Obremskey W, Kregor P, Richards JE, Stringfellow K, Goslings J, Haverlag R, Ponsen KJ, Bronkhorst MW, Guicherit OR, Patka P, Eversdijk MG, Peters R, Hartog DD, Van Waes OJ, Oprel P, de Rijcke PA, Koppert CL, Buijk SE, Groenendijk RP, Dawson I, Tetteroo GW, Bruijninckx MM, Doornebosch PG, de Graaf EJ, Heetveld MJ, Visser GA, Stockmann H, Silvis R, Snellen JP, Rijbroek B, Scheepers JJ, Vermeulen EG, Siroen MP, Vuylsteke R, Brom HL, Rijna H, Roukema GR, Josaputra HA, Keller P, de Rooij PD, Kuiken H, Boxma H, Cleffken BI, Liem R, Rhemrev SJ, Bosman CH, de Mol van Otterloo A, Hoogendoorn J, de Vries AC, Meylaerts SA, Poolman RW, Simons MP, van der Heijden FH, Willems W, de Meulemeester FR, van der Hart CP, Turckan K, Festen S, de Nies F, Haverlag R, Out NJ, Bosma J, van der Elst M, van der Pol CC, van 't Riet M, de Vries MR, Karsten TM, de Vries MR, Stassen LP, Schep NW, Schmidt G, Hoffman WH, Segers MJ, Zijl JA, Verhoeven B, Smits AB, de Vries JP, Fioole B, van der Hoeven H, Theunissen EB, de Vries Reilingh TS, Govaert L, Wittich P, de Brauw M, Wille J, Go PM, Ritchie ED, Wessel RN, Hammacher ER, Verhofstad MH, Meijer J, van Egmond T, van der Heijden FH, van der Brand I, van der Vis HM, Campo M, Verhagen R, Albers GH, Zurcher AW, van Kampen A, Biert J, van Vugt AB, Edwards MJ, Blokhuis TJ, Frölke JP, Geeraedts LM, Gardeniers JW, Tan ET, Poelhekke LM, de Waal Malefijt MC, Schreurs B, Simmermacher RK, van Mulken J, van Wessem K, Blokhuis TJ, van Gaalen SM, Leenen LP, Liew S, Bedi H, Carr A, Chia A, Csongvay S, Curry H, Doig S, Donohue C, Edwards E, Etherington G, Gong A, Jain A, Li D, Miller R, Moaveni A, Russ M, Ton L, Wang O, Murdoch Z, Sage C, Bhatia M, Arora V, Frihagen F, Clarke-Jenssen J, Hjorthaug G, Ianssen T, Amundsen A, Brattgjerd JE, Borch T, Bøe B, Flatøy B, Hasselund S, Haug KJ, Hemlock K, Hoseth TM, Jomaas G, Kibsgård T, Kristiansen B, Lona T, Moatshe G, Müller O, Molund M, Nicolaisen T, Nilsen F, Rydinge J, Smedsrud M, Stødle A, Trommer A, Ugland S, Vesterhus EB, Brekke AC, Gupta A, Jain N, Sharma A, Sanghavi A, Tetsworth K, Geoff D, Weinrach P, Pincus P, Yang S, Halliday B, Gervais T, Holt M, Flynn A, Prasad AS, Mishra V, Rai A, Subash, Sundaresh DC, Khanna A, Cherian JJ, Olakkengil DJ, Sharma G, Yadav V, Singh S, Rai K, Pirpiris M, Love D, Bucknill A, Farrugia RJ, Rai B, Rajakumar J, Pape HC, Knobe M, Pfeifer R, Dadi A, Palla N.

Author information

1
Division of Orthopaedic Surgery, Department of Surgery, McMaster University, 1200 Main Street West, 4E15, Hamilton, ON, L8N 3Z5, Canada.

Abstract

PURPOSE:

The purpose of this study was to estimate the radiographic prevalence of CAM-type femoroacetabular impingement (FAI) in elderly patients (≥ 50 years) who have undergone internal fixation for femoral neck fracture.

METHODS:

A total of 187 frog-leg lateral radiographs of elderly patients who underwent internal fixation for a femoral neck fracture were reviewed by two independent reviewers. The alpha angle, beta angle, and femoral head-neck offset ratio were calculated. The presence of two abnormal radiographic parameters was deemed to be diagnostic of radiographic CAM-type impingement.

RESULTS:

Radiographic CAM-type FAI was identified in 157 out of 187 (84 %) patients who underwent internal fixation for fractures of the femoral neck. Moderate-to-good inter-observer reliability was achieved in the measurement of radiographic parameters. With reference to fracture subtypes and prevalence of radiographic features of CAM-type morphology, 97 (72 %) out of 134 patients were positive for CAM in Garden subtypes I and II, whereas 49 (85.9 %) out of 57 patients had radiographic CAM in Garden III and IV subtypes.

CONCLUSION:

There was a high prevalence of CAM-type FAI in patients that underwent surgical fixation of femoral neck fractures. This is significantly higher than the reported prevalence in non-fracture patient populations. The high prevalence of CAM morphology could be related to several factors, including age, fracture morphology, quality of reduction, type of fixation, and fracture healing.

PMID:
24488220
DOI:
10.1007/s00167-014-2835-6
[Indexed for MEDLINE]

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