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Items: 1 to 50 of 83

1.

Effects of physical activity on long-term survivorship after metal-on-metal hip resurfacing arthroplasty: is it safe to return to sports?

Amstutz HC, Le Duff MJ.

Bone Joint J. 2019 Oct;101-B(10):1186-1191. doi: 10.1302/0301-620X.101B10.BJJ-2018-1535.R2.

PMID:
31564149
2.

Infographic: Effects of physical activity on long-term survivorship after metal-on-metal hip resurfacing arthroplasty.

Amstutz HC, Le Duff MJ.

Bone Joint J. 2019 Oct;101-B(10):1184-1185. doi: 10.1302/0301-620X.101B10.BJJ-2019-1091. No abstract available.

PMID:
31564145
3.

Sex-specific risk factors determine the survivorship of female and male patients after metal-on-metal hip resurfacing.

Amstutz HC, Le Duff MJ.

Hip Int. 2019 Aug 12:1120700019868781. doi: 10.1177/1120700019868781. [Epub ahead of print]

PMID:
31401867
4.

Five-year oncological outcomes after selective neoadjuvant radiotherapy for resectable rectal cancer.

Banwell VC, Phillips HA, Duff MJ, Speake D, McLean C, Williams LJ, He Y, Paterson HM.

Acta Oncol. 2019 Sep;58(9):1267-1272. doi: 10.1080/0284186X.2019.1631473. Epub 2019 Jun 25.

PMID:
31237192
5.

Gravity as Gauge Theory Squared: A Ghost Story.

Anastasiou A, Borsten L, Duff MJ, Nagy S, Zoccali M.

Phys Rev Lett. 2018 Nov 23;121(21):211601. doi: 10.1103/PhysRevLett.121.211601.

6.

Is a cementless fixation of the femoral component suitable for metal-on-metal hip resurfacing arthroplasty?

Amstutz HC, Le Duff MJ.

Hip Int. 2019 Nov;29(6):624-629. doi: 10.1177/1120700018815055. Epub 2018 Nov 26.

PMID:
30472893
7.

The mean ten-year results of metal-on-metal hybrid hip resurfacing arthroplasty.

Amstutz HC, Le Duff MJ.

Bone Joint J. 2018 Nov;100-B(11):1424-1433. doi: 10.1302/0301-620X.100B11.BJJ-2017-1459.R2.

PMID:
30418058
8.

Risk factors for wear-related failures after hip resurfacing in patients with a low contact patch to rim distance.

Amstutz HC, Le Duff MJ, Bhaurla SK.

Bone Joint J. 2017 Jul;99-B(7):865-871. doi: 10.1302/0301-620X.99B7.BJJ-2016-1369.R1.

PMID:
28663390
9.

Contact patch to rim distance: the quintessential tool for metal-on-metal bearing in vivo performance analysis - a review.

Le Duff MJ, Ebramzadeh E, Amstutz HC.

Hip Int. 2017 May 12;27(3):220-225. doi: 10.5301/hipint.5000511. Epub 2017 May 5. Review.

PMID:
28478641
10.

Effects of Previous Osteotomy on Outcome of Hip Resurfacing Arthroplasty.

Amstutz HC, Le Duff MJ.

Orthopedics. 2017 Jul 1;40(4):e609-e616. doi: 10.3928/01477447-20170411-02. Epub 2017 Apr 18.

PMID:
28418575
11.

Correlation between serum metal ion levels and adverse local tissue reactions after Conserve® Plus hip resurfacing arthroplasty.

Amstutz HC, Le Duff MJ.

Hip Int. 2017 Jul 25;27(4):336-342. doi: 10.5301/hipint.5000481. Epub 2017 Feb 6.

PMID:
28165598
12.

Are there differences in Hip Biomechanics after hybrid and cementless resurfacing arthroplasty?

Le Duff MJ, Bhaurla SK, Takamura KB, Amstutz HC, Liu FC.

Acta Orthop Belg. 2016 Aug;82(3):516-521.

PMID:
29119892
13.

Hip resurfacing for osteonecrosis: two- to 18-year results of the Conserve Plus design and technique.

Amstutz HC, Le Duff MJ.

Bone Joint J. 2016 Jul;98-B(7):901-9. doi: 10.1302/0301-620X.98B7.36676.

PMID:
27365467
14.

The Natural History of Osteoarthritis: What Happens to the Other Hip?

Amstutz HC, Le Duff MJ.

Clin Orthop Relat Res. 2016 Aug;474(8):1802-9. doi: 10.1007/s11999-016-4888-y. Epub 2016 May 12.

15.

Hip resurfacing: history, current status, and future.

Amstutz HC, Le Duff MJ.

Hip Int. 2015 Jul-Aug;25(4):330-8. doi: 10.5301/hipint.5000268. Epub 2015 Jun 12. Review.

PMID:
26109156
16.

Are There Long-term Benefits to Cementing the Metaphyseal Stem in Hip Resurfacing?

Amstutz HC, Le Duff MJ, Bhaurla SK.

Clin Orthop Relat Res. 2015 Oct;473(10):3197-203. doi: 10.1007/s11999-015-4402-y. Epub 2015 Jun 23.

17.

Long-Term Outcomes of Liner Cementation into a Stable Retained Shell: A Concise Follow-up of a Previous Report.

Tan TL, Le Duff MJ, Ebramzadeh E, Bhaurla SK, Amstutz HC.

J Bone Joint Surg Am. 2015 Jun 3;97(11):920-4. doi: 10.2106/JBJS.N.01045.

PMID:
26041853
18.

Aseptic loosening of cobalt chromium monoblock sockets after hip resurfacing.

Amstutz HC, Le Duff MJ.

Hip Int. 2015 Sep-Oct;25(5):466-70. doi: 10.5301/hipint.5000251. Epub 2015 Apr 29.

PMID:
25952913
19.

Do clinical and quality of life scores change over time after hip resurfacing?

Tan TL, Le Duff MJ, Takamura KM, Amstutz HC.

Hip Int. 2015 Mar-Apr;25(2):146-51. doi: 10.5301/hipint.5000208. Epub 2015 Jan 30.

PMID:
25655736
20.

Yang-Mills origin of gravitational symmetries.

Anastasiou A, Borsten L, Duff MJ, Hughes LJ, Nagy S.

Phys Rev Lett. 2014 Dec 5;113(23):231606. Epub 2014 Dec 3.

PMID:
25526117
21.

Highly cross-linked polyethylene in hip resurfacing arthroplasty: long-term follow-up.

Amstutz HC, Takamura KM, Ebramzadeh E, Le Duff MJ.

Hip Int. 2015 Jan-Feb;25(1):39-43. doi: 10.5301/hipint.5000190. Epub 2014 Oct 17.

PMID:
25362872
22.

Tsirelson's bound and supersymmetric entangled states.

Borsten L, Brádler K, Duff MJ.

Proc Math Phys Eng Sci. 2014 Oct 8;470(2170):20140253.

23.

Do hardened femoral heads reduce blood metal ion concentrations after hip resurfacing?

Le Duff MJ, Johnson AJ, Amstutz HC.

Hip Int. 2014 Jul-Aug;24(4):327-32. doi: 10.5301/hipint.5000139. Epub 2014 May 16.

PMID:
24970325
24.

Magic square from Yang-Mills squared.

Borsten L, Duff MJ, Hughes LJ, Nagy S.

Phys Rev Lett. 2014 Apr 4;112(13):131601. Epub 2014 Apr 4.

PMID:
24745403
25.

Acetabular component thickness does not affect mid-term clinical results in hip resurfacing.

Al-Hamad M, Le Duff MJ, Takamura KM, Amstutz HC.

Clin Orthop Relat Res. 2014 May;472(5):1528-34. doi: 10.1007/s11999-014-3468-2. Epub 2014 Jan 22.

26.

Hip resurfacing: a 40-year perspective.

Amstutz HC, Le Duff MJ.

HSS J. 2012 Oct;8(3):275-82. doi: 10.1007/s11420-012-9293-9. Epub 2012 Sep 14.

27.

Does femoral neck to cup impingement affect metal ion levels in hip resurfacing?

Le Duff MJ, Johnson AJ, Wassef AJ, Amstutz HC.

Clin Orthop Relat Res. 2014 Feb;472(2):489-96. doi: 10.1007/s11999-013-3074-8.

28.

Metal ion levels in total hip arthroplasty versus hip resurfacing.

Johnson AJ, Le Duff MJ, Yoon JP, Al-Hamad M, Amstutz HC.

J Arthroplasty. 2013 Aug;28(7):1235-7. doi: 10.1016/j.arth.2013.03.015. Epub 2013 Apr 22.

PMID:
23618754
29.

Childhood development after maternal metal-on-metal hip resurfacing.

Johnson AJ, Woon RP, Le Duff MJ, Amstutz HC.

Hip Int. 2013 Mar-Apr;23(2):181-6. doi: 10.5301/HIP.2013.10731. Epub 2013 Feb 12.

PMID:
23417534
30.

Metal-on-metal hip resurfacing in patients aged 65 or older.

Le Duff MJ, Takamura KB, Amstutz HC.

Hip Int. 2012 Nov-Dec;22(6):648-54. doi: 10.5301/HIP.2012.10350.

PMID:
23233179
31.

Contact patch to rim distance predicts metal ion levels in hip resurfacing.

Yoon JP, Le Duff MJ, Johnson AJ, Takamura KM, Ebramzadeh E, Amstutz HC.

Clin Orthop Relat Res. 2013 May;471(5):1615-21. doi: 10.1007/s11999-012-2711-y. Epub 2012 Nov 27.

32.

Letter to the editor: the withdrawn ASR™ THA and hip resurfacing systems: how have our patients fared over 1 to 6 years?

Amstutz HC, Le Duff MJ.

Clin Orthop Relat Res. 2013 Jan;471(1):336. doi: 10.1007/s11999-012-2672-1. No abstract available.

33.

Failure rates of stemmed metal-on-metal hip replacements.

Amstutz HC, Le Duff MJ.

Lancet. 2012 Jul 14;380(9837):105; author reply 106. doi: 10.1016/S0140-6736(12)61168-4. No abstract available.

PMID:
22794234
34.

The relationship of sporting activity and implant survivorship after hip resurfacing.

Le Duff MJ, Amstutz HC.

J Bone Joint Surg Am. 2012 May 16;94(10):911-8. doi: 10.2106/JBJS.K.00100.

PMID:
22617919
35.

Socket position determines hip resurfacing 10-year survivorship.

Amstutz HC, Le Duff MJ, Johnson AJ.

Clin Orthop Relat Res. 2012 Nov;470(11):3127-33. doi: 10.1007/s11999-012-2347-y.

36.

Prevalence and clinical relevance of radiographic signs of impingement in metal-on-metal hybrid hip resurfacing.

Gruen TA, Le Duff MJ, Wisk LE, Amstutz HC.

J Bone Joint Surg Am. 2011 Aug 17;93(16):1519-26. doi: 10.2106/JBJS.I.01723.

PMID:
22204007
37.

Incidence of heterotopic ossification and effects of various prophylactic methods after hip resurfacing.

Le Duff MJ, Takamura KB, Amstutz HC.

Bull NYU Hosp Jt Dis. 2011;69 Suppl 1:S36-41.

38.

Mid-to-long term follow-up of Transcend metal-on-metal versus Interseal metal-on-polyethylene bearings in total hip arthroplasty.

Yoon JP, Le Duff MJ, Takamura KM, Hodge S, Amstutz HC.

Hip Int. 2011 Sep-Oct;21(5):571-6. doi: 10.5301/HIP.2011.8705.

PMID:
21983790
39.

Complications after metal-on-metal hip resurfacing arthroplasty.

Amstutz HC, Le Duff MJ, Campbell PA, Wisk LE, Takamura KM.

Orthop Clin North Am. 2011 Apr;42(2):207-30, viii. doi: 10.1016/j.ocl.2010.12.002. Review.

PMID:
21435496
40.

Sporting activity after hip resurfacing: changes over time.

Le Duff MJ, Amstutz HC.

Orthop Clin North Am. 2011 Apr;42(2):161-7, vii-viii. doi: 10.1016/j.ocl.2010.12.001.

PMID:
21435492
41.

Survivorship of Conserve® Plus monoblock metal-on-metal hip resurfacing sockets: radiographic midterm results of 580 patients.

Hulst JB, Ball ST, Wu G, Le Duff MJ, Woon RP, Amstutz HC.

Orthop Clin North Am. 2011 Apr;42(2):153-9, vii. doi: 10.1016/j.ocl.2011.01.004.

PMID:
21435491
42.

The effect of patient selection and surgical technique on the results of Conserve® Plus hip resurfacing--3.5- to 14-year follow-up.

Amstutz HC, Takamura KM, Le Duff MJ.

Orthop Clin North Am. 2011 Apr;42(2):133-42, vii. doi: 10.1016/j.ocl.2010.12.005.

PMID:
21435489
43.

Clinical and radiographic results of metal-on-metal hip resurfacing with a minimum ten-year follow-up.

Amstutz HC, Le Duff MJ, Campbell PA, Gruen TA, Wisk LE.

J Bone Joint Surg Am. 2010 Nov 17;92(16):2663-71. doi: 10.2106/JBJS.I.01715.

PMID:
21084576
44.

Benefits of thin-shelled acetabular components for metal-on-metal hip resurfacing arthroplasty.

Le Duff MJ, Wang CT, Wisk LE, Takamura KB, Amstutz HC.

J Orthop Res. 2010 Dec;28(12):1665-70. doi: 10.1002/jor.21176.

45.

Are there benefits to one- versus two-stage procedures in bilateral hip resurfacing?

Amstutz HC, Su EP, Le Duff MJ, Fowble VA.

Clin Orthop Relat Res. 2011 Jun;469(6):1627-34. doi: 10.1007/s11999-010-1627-7.

46.

Four-qubit entanglement classification from string theory.

Borsten L, Dahanayake D, Duff MJ, Marrani A, Rubens W.

Phys Rev Lett. 2010 Sep 3;105(10):100507. Epub 2010 Sep 2.

PMID:
20867503
47.

Sex as a patient selection criterion for metal-on-metal hip resurfacing arthroplasty.

Amstutz HC, Wisk LE, Le Duff MJ.

J Arthroplasty. 2011 Feb;26(2):198-208. doi: 10.1016/j.arth.2010.03.033. Epub 2010 May 8.

PMID:
20452178
48.

Hip resurfacing results for osteonecrosis are as good as for other etiologies at 2 to 12 years.

Amstutz HC, Le Duff MJ.

Clin Orthop Relat Res. 2010 Feb;468(2):375-81. doi: 10.1007/s11999-009-1077-2. Epub 2009 Sep 12.

49.

Range of motion after stemmed total hip arthroplasty and hip resurfacing - a clinical study.

Le Duff MJ, Wisk LE, Amstutz HC.

Bull NYU Hosp Jt Dis. 2009;67(2):177-81.

50.

Current status of hemi-resurfacing arthroplasty for osteonecrosis of the hip: a 27-year experience.

Amstutz HC, Le Duff MJ.

Orthop Clin North Am. 2009 Apr;40(2):275-82. doi: 10.1016/j.ocl.2008.12.001.

PMID:
19358913

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