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Spine J. 2013 Dec;13(12):1717-22. doi: 10.1016/j.spinee.2013.03.005. Epub 2013 Apr 17.

The timing of surgical staging has a significant impact on the complications and functional outcomes of adult spinal deformity surgery.

Author information

1
Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, Baltimore, MD 21287, USA.

Abstract

BACKGROUND CONTEXT:

To our knowledge, the effect of the staging regimen on the surgical outcome in patients undergoing combined anterior/posterior surgery for the treatment of spinal deformity has not been previously studied.

PURPOSE:

To compare outcomes of anterior/posterior surgery for adult spinal deformity staged less than 21 days apart versus those 21 or more days apart.

STUDY DESIGN:

A retrospective comparison study.

PATIENT SAMPLE:

Patients aged 40 years or older who underwent combined anterior/posterior fusions for spinal deformities.

OUTCOME MEASURES:

Self-reported measures, physiological measures, and functional measures.

METHODS:

We retrospectively reviewed prospectively collected data for 63 consecutive patients (50 females and 13 males) older than 40 years who underwent combined anterior/posterior fusions for spinal deformities and who had a minimum of 2-year follow-up. We divided them into those who had surgery staged less than 21 days apart (Group 1, N=29) and those who had surgery staged 21 or more days apart (Group 2, N=34). The groups were not statistically different in age; preoperative American Society of Anesthesiologists, Scoliosis Research Society-22 (SRS-22) patient questionnaire, and Oswestry Disability Index (ODI) scores; number of previous surgeries; number of levels fused; or total operative time. Hotelling t square test and the chi-squared test were used to compare clinical and radiographic parameters, complications, and functional outcomes between groups (significance, p<.05).

RESULTS:

Compared with Group 1 patients, Group 2 (staged) patients had a lower total estimated blood loss (average, 4.5 L [range, 1.90-8.75 L] vs. 4 L [range, 1.8-10.1 L], respectively), fewer combined hospital days (average, 14 days [range, 7-70 days] vs. 12 days [range, 6-44 days], respectively), and fewer major complications (total, 10 [35%] vs. 6 [18%], respectively). Preoperative SRS-22 and ODI scores were significantly better in Group 2 than in Group 1 at 6 weeks (p<.001) and at final follow-up (p<.001), respectively.

CONCLUSION:

For patients who require both anterior and posterior surgery for spinal deformity correction, staging the two procedures 21 or more days apart decreases total perioperative transfusion requirements although significantly improving functional outcomes.

KEYWORDS:

Adult spinal deformity; Complications; Outcome; Scoliosis; Two-stage anterior and posterior

PMID:
23602375
DOI:
10.1016/j.spinee.2013.03.005
[Indexed for MEDLINE]

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