Precise arthroscopic mini-trochleoplasty combined with medial patellofemoral ligament reconstruction yields comparable complications to isolated medial patellofemoral ligament reconstruction

doi:10.5312/wjo.v17.i5.118163

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World Journal of Orthopedics

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2218-5836

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Orthop. May 18, 2026; 17(5): 118163
Published online May 18, 2026. doi: 10.5312/wjo.v17.i5.118163

Table 1 Patient demographics, n (%)/mean ± SD

	PAM + MPFLR group (n = 30)	MPFLR group (n = 20)	P value	PAM + MPFLR cases with type B TD (n = 14)	MPFLR cases with type B TD (n = 10)	P value
Age (year)	25.47 ± 8.27	24.25 ± 7.28	0.596¹	25.36 ± 8.39	28.30 ± 7.30	0.382¹
Sex (male/female) (n)	6/24	7/13	0.236²	2/12	5/5	0.085³
Side (L/R) (n)	17/13	9/11	0.419²	10/4	5/5	0.285²
Follow-up (month)	27.27 ± 5.19	27.55 ± 4.47	0.843¹	27.64 ± 6.67	27.40 ± 4.38	0.921¹
Dejour type			0.000³
Normal	0 (0)	0 (0)
Type A	0 (0)	8 (40.0)
Type B	14 (46.7)	10 (50.0)
Type C	3 (10.0)	1 (5.0)
Type D	13 (43.3)	1 (5.0)

¹Mann-Whitney U test.

²Pearson’s χ² test.

³Fisher’s exact test.

PAM: Precise arthroscopic mini-trochleoplasty; MPFLR: Medial patellofemoral ligament reconstruction; TD: Trochlear dysplasia.

Full Size Table

Citation: Xu H, Ding M, Liao BH, Lei SG, Zheng C, Wang YC. Precise arthroscopic mini-trochleoplasty combined with medial patellofemoral ligament reconstruction yields comparable complications to isolated medial patellofemoral ligament reconstruction. World J Orthop 2026; 17(5): 118163
URL: https://www.wjgnet.com/2218-5836/full/v17/i5/118163.htm
DOI: https://dx.doi.org/10.5312/wjo.v17.i5.118163

Xu H, Ding M, Liao BH, Lei SG, Zheng C, Wang YC. Precise arthroscopic mini-trochleoplasty combined with medial patellofemoral ligament reconstruction yields comparable complications to isolated medial patellofemoral ligament reconstruction. World J Orthop 2026; 17(5): 118163 [DOI: 10.5312/wjo.v17.i5.118163]

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