Study Design:
Retrospective cohort study.
Objective:
We aim to examine the effects of preoperative mental health status on demographic, perioperative characteristics, and postoperative outcomes in patients undergoing cervical disc replacement (CDR).
Summary of Background Data:
The effect of preoperative mental health status has not been widely studied in CDR.
Methods:
Patients undergoing primary CDR were retrospectively collected and stratified into 2 cohorts by 12-item Short Form Survey Mental Composite Score (SF-12 MCS) ≥48.9. Patients without preoperative SF-12 MCS scores or diagnosis of infection, malignancy, or trauma were excluded. Demographic information, perioperative characteristic, and patient reported outcome measures (PROMs) were collected. Patient reported outcome measurement information system physical function (PROMIS-PF)/SF-12 Physical Component Score (PCS)/SF-12 MCS/visual analog scale (VAS) neck/VAS leg/neck disability index (NDI) were collected preoperatively and 6 weeks/12 weeks/6 months/1 year postoperatively.
Results:
Eighty-seven patients were included, (47 having SF-12 MCS≥48.9). For PROMs, both cohorts had significant improvement from preoperative baseline, besides SF-12 PCS/MCS at 1 year for the depressed cohort and SF-12 MCS at all time points. The non-depressed cohort demonstrated significantly higher PROMIS-PF preoperatively and at 12 weeks, SF-12 PCS at 12 weeks, SF-12 MCS at all time points, decreased VAS neck at 12 weeks and NDI preoperatively and at 12 weeks, overall minimal clinically important difference (MCID) in most patients in all PROMs besides SF-12 MCS, and higher MCID for PROMIS-PF at 12 weeks. The depressed cohort demonstrated overall MCID in most patients with PROMIS-PF/SF-12 MCS/VAS neck/NDI, and a higher MCID for 6 weeks/12 weeks/6 months postoperatively and overall SF-12 PCS.
Conclusion:
Whereas both cohorts demonstrated significantly improved PROMs from baseline, the non-depressed cohort demonstrated better physical function, mental health, decreased pain, and disability at various time points, whereas the depressed cohort demonstrated higher mental health MCID achievement at every time point except 1 year. These findings may be useful in managing expectations for patients undergoing cervical surgery.
BACKGROUND: Few studies have established the minimum clinically important difference (MCID) in patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) for physical function and pain. OBJECTIVE: To establish MCID for physical function and pain patient-reported outcome measures (PROMs) for MIS-TLIF through anchor-and distribution-based methods using the Oswestry Disability Index (ODI) as the anchor. METHODS: Ninety-eight patients undergoing primary MIS-TLIF with preoperative and 1-year postoperative ODI scores were identified. MCID was calculated using anchor-and distributionbased methods. ODI responders were classified as patients who decreased by 1 disability classification. PROMs of Patient-Reported Outcome Measurement Information System-Physical Function (PROMIS-PF), 12-Item Short Form Physical Component Score (SF-12 PCS), Visual Analog Scale (VAS) back/leg, and ODI were collected preoperatively and 1-year postoperatively. Anchor-based methods were average change, minimum detectable change, change difference, receiver operating characteristic curve, and cross-sectional analysis. Distribution-based methods were standard error of measurement, receiver change index, effect size, and 0.5 * ΔSD. RESULTS: Anchor-based methods ranged from 4.2 to 11.9 for PROMIS-PF, 6.0 to 15.8 for SF-12 PCS, 1.8 to 4.6 for VAS back, and 2.1 to 4.0 for VAS leg. The area under the curve for receiver operating characteristic analysis ranged from 0.66 to 0.81. Distribution-based methods ranged from 1.1 to 3.9 for PROMIS-PF, 1.6 to 10.4 for SF-12 PCS, 0.5 to 1.6 for VAS back, and 0.6 to 1.8 for VAS leg. CONCLUSION: Patients undergoing MIS-TLIF had a wide range of MCID values. The receiver operating characteristic curve was selected as the most clinically appropriate method. The corresponding MCID values were 4.2 for PROMIS-PF, 6.8 for SF-12 PCS, 1.8 for VAS back, and 2.4 for VAS leg.
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