Preoperative Estimation Of Disc Herniation Recurrence In Patients With Lumbar Disc Herniation

N/AActive Not RecruitingNCT04254250

Novosibirsk Research Institute of Traumatology and Orthopaedics n.a. Ya.L. Tsivyan386 enrolled

Overview

This study will be conducted at Research Institute of Traumatology and Orthopedics (NRITO) n.a. Ya.L.Tsivyan, Novosibirsk, Russia. The current study is prospective observational study to evaluate the efficacy of preoperative estimation of disc herniation recurrence among patients with lumbar disc herniation using predictive mathematical model at terms 3 years postoperatively . It is expected to enroll 350 patients aged 18-70 with lumbar disc herniation. Risk estimation of disc herniation recurrence will be evaluated preoperatively, then patient will undergo conventional microdiscectomy. Postoperative eximanation will include Visits every 6-months during 3 years to evaluate clinical outcomes.

Study Type

OBSERVATIONAL

Enrollment

386

Conditions

Intervertebral Disc Herniation

Interventions

Preoperative risk estimation of disc herniation recurrenceDIAGNOSTIC_TEST

Risk estimation of disc herniation recurrence will be evaluated preoperatively, depend on the risk significance each patient will be assigned to one of two groups - with high risk and low risk. Then each patient will undergo conventional one-level microdiscectomy.

Eligibility

Sex: ALLMin age: 18 YearsMax age: 60 Years

Medical Language ↔ Plain English

Inclusion Criteria: \- Age 18 to 60 years; Single level lumbar disc herniation with neural compression confirmed on MRI at one level of L4-L5 or L5-S1; 1. Radicular leg pain with or without back pain; 2. Symptoms persisting for at least four weeks prior to surgery; 3. Given written Informed Consent; 4. Able and agree to fully comply with the clinical protocol and willing to adhere to follow-up schedule and requirements; 5. Visual Analogue Scale score at least 40/100 at baseline. Exclusion Criteria: 1. More than one symptomatic level requiring multilevel surgical decompression 2. Stenosis any etiology at the same level; 3. Spondylolisthesis any etiology at the same level; 4. Prior lumbar spinal surgery at any level; 5. Other non-degenerative spinal conditions (e.g. infectious, traumatic, metabolic, inflammatory, neoplastic, structural or other pathology) that may have an impact on subject safety, wellbeing or the intent and conduct of the study 6. Concurrent participation in another clinical study that may confound study results.

Locations (2)

Priorov National Medical Research Center of Traumatology and Orthopedics

Moscow, Russia

Novosibirsk Research Institute of Traumatology and Orthopaedics n.a. Ya.L. Tsivyan

Novosibirsk, Russia

Outcomes

Primary Outcomes

Reherniation rate

Rate of lumbar disc reherniation, symptomatic presence of disc herniation confirmed by MRI at the previously operated level and side

Time frame: at 3 years follow-up term postoperatively

Secondary Outcomes

Improvement of Oswestry Disability Index (ODI)

To observe the improvement of ODI as compared to baseline through follow-up terms Oswestry Disability Index - patient-reported physical and household activity. Minimum - 0 % (the best result, the patient has no limitations in physical activity). Maximum - 100% (the worst result, patient is not physically active at all).

Time frame: 6, 12, 18, 24, 30, 36 months follow up

Improvement of Visual analog scale (VAS) leg pain intensity

To observe the improvement of VAS leg pain as compared to baseline through follow-up terms.