Original researchAssociation of Tibialis Posterior Tendon Pathology with Other Radiographic Findings in the Foot: A Case-Control Study
Section snippets
Patients and Methods
This case-control study was approved by the Institutional Review Board of the University of Texas Health Science Center at San Antonio (protocol number: HSC20070219H). The sample was divided into a case group that consisted of patients with TPTP, and a control group that consisted of patients without tibialis posterior pathology. The patients with TPTP were identified in the San Antonio, Texas, University Hospital System (UHS) computer charting system, by searching the database for patients
Results
A total of 72 patients qualified for inclusion in the study. Of these, 24 subjects had MRI signs indicative of TPTP, and these comprised the case group. Forty-eight age- and sex-matched subjects without TPTP comprised the control group. There were no statistically significant differences in age and the male-to-female ratio between the case and control groups (Table 2). In the case group, there were 11 Type I and 13 Type II/III cases according to the Conti classification. There was only 1 case
Discussion
The tibialis posterior tendon functions as the main dynamic stabilizer of the arch, while the spring ligament complex, plantar fascia, and the other plantar ligaments and joint capsules act to provide static stabilization (4). The importance of these structures in maintaining the stability of the arch and hindfoot has been demonstrated in cadaveric specimens (13, 14, 15). Although cadaveric analyses provide important groundwork for clinical investigations, we believe that it is imperative to
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Conflict of Interest: None reported.