Effect of a Mandatory Prescription Drug Monitoring Program on Patient-initiated Phone Calls After Spine Surgery


Study design:

This was a retrospective cohort study.


Objective:

The objective of this study was to determine the effect of a statewide, government-mandated prescription drug monitoring program (PDMP) on patient-initiated phone calls after lumbar and cervical spinal surgery.


Summary of background data:

Prior studies have examined the most common reasons for a postoperative phone calls, most of which pertain to pain or prescription medications. However, no studies have investigated the effects of mandatory opioid prescription reporting on these calls.


Methods:

Patients who underwent lumbar decompression, lumbar fusion, or posterior cervical fusion were retrospectively identified. Patients were sorted into 1 of 2 cohorts based on their procedure date’s relation to the initiation of the state’s PDMP: “pre-PDMP” and “post-PDMP.” All clinical and demographic data were obtained from electronic health records. Telephone communications from or on behalf of patients were retrospectively reviewed. Multivariable logistic regression was performed to determine independent factors associated with a postoperative phone call.


Results:

Five hundred and twenty-five patients (2689 phone calls) were included in the study. Average number of phone calls per patient increased significantly after PDMP implementation among lumbar (3.27 vs. 5.18, P<0.001), cervical (5.08 vs. 11.67, P<0.001), and all (3.59 vs. 6.30, P<0.001) procedures. Age [odds ratio (OR): 1.05 (1.01, 1.09), P=0.02], cervical procedure [OR: 4.65 (1.93, 11.21), P=0.001], and a post-PDMP date of surgery [OR: 6.35 (3.55, 11.35), P<0.001] were independently associated with an increased likelihood of a postoperative phone call. A higher percentage of calls were in reference to postoperative care (4.6% vs. 2.4%, P=0.01) and wound care (4.3% vs. 1.4%, P<0.001) in the post-PDMP cohort compared with the pre-PDMP cohort.


Conclusions:

Patient-initiated telephone calls increased significantly after implementation of a mandatory statewide PDMP. Increasing age, operation involving the cervical spine, and surgery occurring after implementation of the state’s PDMP were independently associated with an increased likelihood of postoperative phone call to health care providers.

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