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[A new technique determining tibial rotational alignment in total knee arthroplasty].
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2008 Jan; 22(1):26-8.ZX

Abstract

OBJECTIVE

To compare the two different techniques determining tibial rotational alignment in total knee arthroplasty (TKA) to enhance postoperative effect and reduce complications.

METHODS

From May 2006 to April 2007, 60 patients (27 males, 33 females, aged 55-78 years) received TKA and randomly divided into 2 groups (n=30): tibial rotational alignment in TKA was determined by medical 1/3 of tibial tubercle in Group A, by medial border of tibial tubercle at 0-9 degrees varus in Group B, by medical 1/3 of tibial tubercle at 20 degrees or greater varus or by the mean line between medial border of tibial tubercle and medical 1/3 of tibial tubercle at 10-19 degrees varus. The angle of rotation of polyethylene cushion was calculated.

RESULTS

The angle of rotation of polyethylene cushion in Group A was (8.4+/-3.8) degrees at 0-9 degrees varus, (3.5+/-2.7) degrees at 10-19 degrees varus and (0+/-2.4) degrees at 20 degrees varus or over, respectively, and there was significant difference (P<0.05). The angle of rotation of polyethylene cushion in Group B was (0+/-2.1) degrees at 0-9 degrees varus, (0+/-2.0) degrees at 10-19 degrees varus and (0+/-1.7) degrees at 20 degrees varus or over, respectively, and there was no significant difference (P>0.05). The angle of rotation of polyethylene cushion averaged (5.6+/-2.8) degrees in Group A and (0+/-1.9) degrees in Group B, showing significant difference (P<0.05).

CONCLUSION

The range of ideal tibial rotational alignment in TKA was from medial border of the tibial tubercle to medical 1/3 of the tibial tubercle, and is decided by the degree of varus deformities and valgus deformities.

Authors+Show Affiliations

Xiao Y
Department of oint Surgery, Tianjin Hospital, Tianjin, 300211, P. R. China. mfl9702023@yahoo.com.cn
Zhang F
No affiliation info available
Yu J
No affiliation info available
Kan S
No affiliation info available

MeSH

AgedArthroplasty, Replacement, KneeBiomechanical PhenomenaFemaleHumansKnee JointMaleMiddle AgedOsteoarthritis, KneePostoperative ComplicationsRange of Motion, ArticularRotationTibiaTreatment Outcome

Pub Type(s)

English Abstract
Journal Article
Randomized Controlled Trial

Language

chi

PubMed ID

18361231

Citation

Xiao, Yu, et al. "[A New Technique Determining Tibial Rotational Alignment in Total Knee Arthroplasty]." Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery, vol. 22, no. 1, 2008, pp. 26-8.
Xiao Y, Zhang F, Yu J, et al. [A new technique determining tibial rotational alignment in total knee arthroplasty]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2008;22(1):26-8.
Xiao, Y., Zhang, F., Yu, J., & Kan, S. (2008). [A new technique determining tibial rotational alignment in total knee arthroplasty]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery, 22(1), 26-8.
Xiao Y, et al. [A New Technique Determining Tibial Rotational Alignment in Total Knee Arthroplasty]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2008;22(1):26-8. PubMed PMID: 18361231.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [A new technique determining tibial rotational alignment in total knee arthroplasty]. AU - Xiao,Yu, AU - Zhang,Fujiang, AU - Yu,Jianhua, AU - Kan,Shilian, PY - 2008/3/26/pubmed PY - 2009/3/20/medline PY - 2008/3/26/entrez SP - 26 EP - 8 JF - Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery JO - Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi VL - 22 IS - 1 N2 - OBJECTIVE: To compare the two different techniques determining tibial rotational alignment in total knee arthroplasty (TKA) to enhance postoperative effect and reduce complications. METHODS: From May 2006 to April 2007, 60 patients (27 males, 33 females, aged 55-78 years) received TKA and randomly divided into 2 groups (n=30): tibial rotational alignment in TKA was determined by medical 1/3 of tibial tubercle in Group A, by medial border of tibial tubercle at 0-9 degrees varus in Group B, by medical 1/3 of tibial tubercle at 20 degrees or greater varus or by the mean line between medial border of tibial tubercle and medical 1/3 of tibial tubercle at 10-19 degrees varus. The angle of rotation of polyethylene cushion was calculated. RESULTS: The angle of rotation of polyethylene cushion in Group A was (8.4+/-3.8) degrees at 0-9 degrees varus, (3.5+/-2.7) degrees at 10-19 degrees varus and (0+/-2.4) degrees at 20 degrees varus or over, respectively, and there was significant difference (P<0.05). The angle of rotation of polyethylene cushion in Group B was (0+/-2.1) degrees at 0-9 degrees varus, (0+/-2.0) degrees at 10-19 degrees varus and (0+/-1.7) degrees at 20 degrees varus or over, respectively, and there was no significant difference (P>0.05). The angle of rotation of polyethylene cushion averaged (5.6+/-2.8) degrees in Group A and (0+/-1.9) degrees in Group B, showing significant difference (P<0.05). CONCLUSION: The range of ideal tibial rotational alignment in TKA was from medial border of the tibial tubercle to medical 1/3 of the tibial tubercle, and is decided by the degree of varus deformities and valgus deformities. SN - 1002-1892 UR - https://www.unboundmedicine.com/medline/citation/18361231/[A_new_technique_determining_tibial_rotational_alignment_in_total_knee_arthroplasty]_ DB - PRIME DP - Unbound Medicine ER -