Abstract
The purpose of this study is the application of pressure sensors in diagnostics and evaluation of the accuracy diagnostics of lumbar disc herniation at levels L4/L5 and L5/S1 using the aforementioned platform. The motivation behind the idea to apply the pressure measurement platform is the fact that the motor weakness of plantar and dorsal flexia of the feet is one of the absolute indications for the operative treatment of patients with lumbar disc herniation at the indicated levels. In patients, MRI diagnosis of the lumbosacral spine served as the ground truth in the diagnosis of herniation at L4/L5 and L5/S1 levels. The inclusive criteria for the study were the proven muscle weakness based on manual muscle tests performed prior to surgery, after seven days of surgery and after physical therapy. The results obtained with the manual muscular test were compared with the results obtained using our platform. The study included 33 patients who met the inclusion criteria. The results of the measurements indicate that the application of our platform with pressure sensors has the same sensitivity diagnostics as a manual muscle test, when done preoperatively and postoperatively. After physical therapy, pressure sensors show statistically significantly better sensitivity compared to the clinical manual muscle test. The obtained results are encouraging in the sense that the pressure platform can be an additional diagnostic method for lumbar disc herniation detection and can indicate the effectiveness of operative treatment and physical therapy after operation. The main advantage of the system is the cost; the whole system with platform and sensors is not expensive.
Highlights
Lumbar pain syndrome is the second most frequent reason for reporting to a doctor
We mean the presence of free fragments of the intervertebral disk in the spinal canal, while migration implies that the extruded material is far from the level of herniation, either as a sequester or in continuity
The total number of patients who were operated at the Center for Neurosurgery KC Kragujevac, in the period from December 2014 to February 2018, was 203, out of which 33 satisfied the inclusion criteria for the study
Summary
Lumbar pain syndrome is the second most frequent reason for reporting to a doctor. It is believed that fifteen percent of all absences from work come from pain in the back, and it dominates as a reason for sick leave in the population under the age of forty-five years [1]. Discus hernia represents an intervertebral disk prolapse. Herniation is defined as localized prolapse of disk material beyond the boundaries of the intervertebral disc space. The hierarchy can be anterior, vertical, and rear It is considered focal if it is less than 25% of the intervertebral disc circulation. We consider the Computational and Mathematical Methods in Medicine migration of disk material from 25% to 50% of the circulation of the space. We mean the presence of free fragments of the intervertebral disk in the spinal canal, while migration implies that the extruded material is far from the level of herniation, either as a sequester or in continuity.
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