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Pain management in a neck hernia relies initially on rest, physiotherapy, and/or oral medications. Once these treatments have failed, different alternative procedures can be applied to relief pain. Thermal treatment of the intervertebral disc (Percutaneous Cervical Nucleoplasty; PCN) is the most often applied technique on the neck with a low risk of thermal damage. A variety of published studies have demonstrated this treatment to be both safe and effective. However, treatment of the nerve root (Pulsed Radio Frequency; PRF) is also a popular type of pain treatment. The application of PRF is also a safe and useful intervention for neck pain. Although these treatment types are described in the literature, the available evidence for efficacy is not sufficient to allow definitive conclusions on the optimal therapy to be made. The purpose of this study is to investigate which technique is the most effective in terms of pain relief on short term in patients with contained cervical disc herniation: PCN or PRF?
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Percutaneous Cervical Nucleoplasty | Experimental | Percutaneous Cervical Nucleoplasty |
|
| Pulsed Radio Frequency | Active Comparator | Pulsed Radio Frequency treatment |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Percutaneous Cervical Nucleoplasty | Procedure | Cervical nucleoplasty is a method of percutaneous disc decompression using a 19 Gauge Trocar 3 inch spine needle (ArthroCare Co., Sunnyvale, CA, USA) which is brought to the annulus fibrosis of the herniated disc. If in the correct position, the stylet is withdrawn and the Perc DC SpineWand (ArthroCare Co., Sunnyvale, CA, USA) is introduced. The procedure relies on so-called Coblation technology which involves removing a portion of the nucleus tissue by using radio frequency energy. More specific, it results in ablation of a portion of nucleus tissue, not with heat, but with a low-temperature (typically 40-70° C) plasma field of ionized particles. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in pain scores using a VAS-100 mm and VRS-5 | The main study parameter to measure efficacy of the treatments is pain. Pain is measured using a VAS-100 mm and a Verbal Rating Scale using 5 categories (VRS-5). The investigator will ask the patient to mark the score for contemporary neck pain and/or radicular pain using both scales. Successful treatment is in most cases defined as a reduction in pain of >=50% using the VAS-100 mm at the final follow-up compared to the pre-operative score. | pre-operative, 1 month post-op, 2 months post-op and 3 months post-op |
| Measure | Description | Time Frame |
|---|---|---|
| Change in general health status using the Short Form 12-item questionnaire (SF-12) | The Short Form 12-item questionnaire for general health (SF-12). The SF-12 is a self-administered survey that is used to monitor overall physical and mental health outcomes, and accounts as a practical alternative to the SF-36. The SF-12 has good retest reliability. | pre-operative, 1 month post-op, 2 months post-op and 3 months post-op |
| Measure | Description | Time Frame |
|---|---|---|
| Confounding baseline parameters | Confounding parameters will be documented before treatment and analyzed. Documented will be age, gender, duration of symptoms, cervical level of contained disc herniation, previous treatment, concomitant therapy/medication, occupation, sports participation and hobbies. | pre-operative |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jorgen Wullems, MSc | Contact | 0031402864524 | j.wullems@st-anna.nl |
| Name | Affiliation | Role |
|---|---|---|
| Willy Halim, MD, FIPP | Department of Anesthesia and Pain Management, St. Anna Hospital, Geldrop, The Netherlands | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anesthesia and Pain Management; St. Anna Hospital | Recruiting | Geldrop | North Brabant | 5664 EH | Netherlands |
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| ID | Term |
|---|---|
| D007405 | Intervertebral Disc Displacement |
| D011843 | Radiculopathy |
| ID | Term |
|---|---|
| D013122 | Spinal Diseases |
| D001847 | Bone Diseases |
| D009140 | Musculoskeletal Diseases |
| D006547 | Hernia |
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| ID | Term |
|---|---|
| D061208 | Pulsed Radiofrequency Treatment |
| ID | Term |
|---|---|
| D004599 | Electric Stimulation Therapy |
| D013812 | Therapeutics |
| D026741 | Physical Therapy Modalities |
| D000078702 | Radiofrequency Therapy |
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| Pulsed Radio Frequency | Procedure | Pulsed Radio Frequency involves placement of a needle close to the to-be-treated nerve or dorsal root ganglion (DRG). The position is checked radiographically and by motor and sensory nerve stimulation. When the needle has been placed correctly an electrode is introduced, which conducts short bursts of radio frequency energy to nervous tissue. It is known as a non- or minimally neurodestructive technique, alternative to radio frequency heat lesions using so-called thermocoagulation. No nerve damage takes places as the temperature of the tip of the needle does not exceed 42°C. This is achieved by relatively long pauses between pulses which allow generated heat to dissipate and prevent the development of any thermal lesion. |
|
| Change in neck functioning during activities of daily living using the Neck Disability Index (NDI) | The NDI is a disease-specific instrument that is used to assess the impact of spinal disorders on ten aspects of daily living. The NDI has excellent retest reliability (Pearson r > 0.80) and validity (moderately high correlations with the McGill Pain Questionnaire and VAS for pain). | pre-operative, 1 month post-op, 2 months post-op and 3 months post-op |
| Change in chronic pain experience using the Multidimensional Pain Inventory - Dutch Language Version (MPI-DLV) | The Multidimensional Pain Inventory - Dutch Language Version (MPI-DLV) for assessing a number of dimensions of chronic pain experience, including pain intensity, emotional distress, cognitive and functional adaptation, and social support. The MPI-DLV has good to excellent retest reliability. | pre-operative, 1 month post-op, 2 months post-op and 3 months post-op |
| Change in limitations in sports and work using multiple choice questions | Changes in limitations in sports and work are assessed using multiple choice questions. This also enables calculation of return to work-rate. | pre-operative, 1 month post-op, 2 months post-op and 3 months post-op |
| Occurence of (serious) adverse events ((S)AEs) post-operatively | Recording of (serious) adverse events ((S)AEs) to investigate the safety of both treatments, focusing on the number and percentage of (S)AEs. Also the intensity of treatment related adverse events will be reported:
| 1 month post-op, 2 months post-op and 3 months post-op |
| Cost-effectiveness evaluation of both treatments using patient's study diary | Patient's study diary for cost-effectiveness evaluation of both treatments. The use of (escape) medication and physician visit(s) will be reported during the three month follow-up period. The total costs per patient will be combined with their final treatment result (successful treatment, yes or no >=50% reduction on VAS-100 mm?) and analyzed per treatment group. | 3 months post-op |
| Change in pain medication usage | Recording of pain medication to assess the change in patient's drug regime before and after treatment. | pre-operative, 1 month post-op, 2 months post-op and 3 months post-op |
| Post-operative change in patient's treatment satisfaction using a dichotomous question and VAS-100 mm | Patient satisfaction with treatment (result) measured dichotomously via a question and continuously via VAS-100 mm. | 1 month post-op, 2 months post-op and 3 months post-op |
| D020763 |
| Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010523 | Peripheral Nervous System Diseases |
| D009468 | Neuromuscular Diseases |
| D009422 | Nervous System Diseases |
| D012046 | Rehabilitation |