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

Tahmasebi, Mohamad N. and Aghaghazvini, Leila and Mirkarimi, Seyed Shahin and Zehtab, Mohamad j. and Sheidaie, Hossein and Sharafatvaziri, Arash (2019) The Influence of Tibial Tuberosity-trochlear Groove Distance on Development of Patellofemoral Pain Syndrome. The Archives of Bone and Joint Surgery, 7 (1). pp. 46-51.

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Abstract

Background: Tibial tuberosity-trochlear groove distance (TT-TGD) measurements play a decisive role in evaluatingpatellofemoral joint disorders. However, the prevalence of pathological TT-TGD among patients with patellofemoralpain remains unclear. The purpose of this study was to compare the size of TT-TGD among patients with patellofemoralpain 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 casegroup 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 hadtotally 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 increasein TT-TGD can be considered one of the factors behind the development of PFPS.Level of evidence: III

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