International Journal of Oral and Maxillofacial Surgery
Clinical PaperTMJ DisordersTemporomandibular joint arthroscopy in advanced stages of internal derangement: a retrospective cohort study on the influence of age
Section snippets
Patients
A retrospective observational cohort study based on patients diagnosed with ID of the TMJ who underwent unilateral arthroscopy between January 2009 and December 2018 was performed. The study involved two centres working with the same protocol, the University Hospital La Princesa (UHLP) and the University Hospital Madrid Montepríncipe (UHMM). The study was approved by the institutional ethics committees and was performed according to the guidelines of the Declaration of Helsinki.
Inclusion
Results
The study sample consisted of 194 patients diagnosed with ID and treated by TMJ arthroscopy. An electronic clinical database was developed including this group of patients (UHLP 150 patients, UHMM 44 patients). The mean age of the sample was 47.52 ± 13.91 years (younger group: 34.00 ± 8.23 years; older group: 56.81 ± 8.21 years). The younger group comprised 79 patients (73 female and six male) and the older group comprised 115 patients (111 female and four male). Of the 194 patients, 127
Discussion
A possible strategy in the treatment of ID of the TMJ is to try to assess the therapeutic outcomes with respect to the different patient characteristics. Among these, age-related patterns of disease have emerged as an important aspect. For this reason, the present study evaluated two age groups in terms of their results after operative arthroscopy. Although both groups showed statistically significant improvements after surgery in terms of pain and MIO, the group of older patients showed a
Acknowledgements
The authors would like to thank to Guillermo J. Ortega Rabbione for assistance with the statistical study and Luis Naval Gías for technical support.
Competing interests
No competing interests.
Ethical approval
Ethical approval was obtained from University Hospital La Princesa (Ref. No. 3991) and University Hospital Montepríncipe (Ref. No. 20.05.1619-GHM).
Patient consent
Not required.
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