Purpose
To present the results of a mid-term follow-up study on sleep quality at a minimum
of 2 years after hip arthroscopy for femoroacetabular impingement syndrome.
Methods
Original inclusion criteria were consecutive patients undergoing primary hip arthroscopy
for cam/pincer correction between March 1, 2017, and July 1, 2017, who did not respond
to nonoperative management, whereas exclusion criteria were revision arthroscopy,
gluteus medius repair, contralateral procedure during the follow-up period, and known
sleep disorders. Patients who had followed up at 6 months were contacted at a minimum
of 2 years following their surgery. In total, 37 of 55 (67.3%) were available for
follow-up. New Pittsburgh Sleep Quality Index (PSQI) scores were obtained and compared
with previously reported scores at preoperative and 6-month time points. The PSQI
ranges from 0 to 21, with a score of ≥5 indicating poor sleep quality. Point biserial
correlations and χ2 tests of associations were used to investigate associations between demographics,
preoperative patient-reported outcome measures, and the incidence of poor sleep quality
at 2 years postoperatively.
Results
Preoperatively, 94.5% of patients (52/55) had a PSQI of ≥5 with a mean PSQI score
of 9.8 ± 4.2. Statistically significant improvements were observed at both 6 (PSQI:
2.2 ± 0.2, P < .001) and 24 months (PSQI: 4.3 ± 3.9) postoperatively compared to baseline (P < .001, both). The mean PSQIs at 2 years and 6 months postoperatively were not statistically
different (P = .06). A total of 21.7% (10/46) of patients continued to experience poor sleep quality
at 6 months postoperatively, whereas a total of 29.7% (11/37) did so at 2 years postoperatively
(P = .36). No preoperative factors were associated with poor sleep quality (P > .05 all).
Conclusions
The early improvements in sleep quality observed 6 months postoperatively from an
original small cohort were maintained at a mean 2.8-year follow-up in those who responded.
However, approximately 30% of hip arthroscopy patients still experience poor sleep
quality.
Level of Evidence
IV, therapeutic case series.
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Article info
Publication history
Published online: November 09, 2020
Accepted:
October 31,
2020
Received:
April 7,
2020
Footnotes
See commentary on page 879
The authors report the following potential conflicts of interest or sources of funding: S.J.N. reports other from AlloSource, Arthrex, Athletico, DJ Orthopaedics, Linvatec, and Miomed; and personal fees from Ossur, Smith & Nephew, Springer, and Stryker, outside the submitted work. Full ICMJE author disclosure forms are available for this article online, as supplementary material.
Identification
Copyright
© 2020 by the Arthroscopy Association of North America
