Effects of Decompressive Cervical Surgery on Blood Pressure in Cervical Spondylosis Patients With Hypertension: A Time Series Cohort Study

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Figure 1
A 63-year-old woman presented with bilateral arm numbness, hand clumsiness, and gait disturbance. (a, b) Preoperative radiographs showing degeneration of C5-C7 segments. (c) Preoperative sagittal T2W1 MR image revealing spinal cord compression at levels of C5-6 and C6-7. (d, e) Plain radiographs at 3 months demonstrating adequate cervical lordosis and the implanted cage. (f) Sagittal T2W1 MR image at 1 year after ACDF showing no spinal cord compression. ACDF, anterior cervical discectomy and fusion.
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Figure 2
Ambulatory blood pressure before and after surgery. Change in blood pressure (before-after surgery) = average preoperative blood pressure (days −3 and 0) – average postoperative blood pressure (days 30 and 90). Difference in blood pressure before and after surgery was compared with paired t tests.