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The Influence of Tibial Tuberosity-Trochlear Groove Distance on Development of Patellofemoral Pain Syndrome



Tahmasebi MN1 ; Mirkarimi SS1 ; Sharafatvaziri A1 ; Aghaghazvini L2 ; Sheidaie H2 ; Zehtab MJ3
Authors
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Authors Affiliations
  1. 1. Department of Orthopedic Surgery, Division of Knee Surgery, Shariati Hospital, Tehran University of Medical Science, Tehran, Iran
  2. 2. Department of Radiology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Orthopedic Surgery, Division of Knee Surgery, Sina Hospital, Tehran University of Medical Science, Tehran, Iran

Source: Archives of Bone and Joint Surgery Published:2019

Abstract

Background: Tibial tuberosity-trochlear groove distance (TT-TGD) measurements play a decisive role in evaluating patellofemoral joint disorders. However, the prevalence of pathological TT-TGD among patients with patellofemoral pain remains unclear. The purpose of this study was to compare the size of TT-TGD among patients with patellofemoral pain syndrome (PFPS) and those with no history of patellofemoral pain. Methods: A total of 100 cases participated in this case-control study, among whom 53 individuals were in the case group and 47 individuals were in the control group. TT-TGD was measured by magnetic resonance imaging. Results: The mean TT-TGD was 12.3±3.3 in patients and 9.3±2.4 in controls (P<0.001). Among patients, we had totally 34 patients with TT-TG equal or lower than 13 (64.2%) and in 18 patients, it was higher than 13 (34%). Conclusion: The mean TT-TGD in patients with PFPS was greater than that in the control group (P=0.001). An increase in TT-TGD can be considered one of the factors behind the development of PFPS. © 2019 BY THE ARCHIVES OF BONE AND JOINT SURGERY.
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