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Trigeminal neuralgia is defined according to the third edition of the International Classification of Headache Disorders (ICHD-3) criteria. Chronic pain can have a major impact on the quality of life. First-line treatments are anti-epileptics, and surgical treatments are also possible according to several approaches. Sometimes the pain is resistant to these therapies. In this indication, sensory blocks may have a therapeutic impact but their place is not clear. In France, there are formalized expert recommendations on "loco regional analgesia and chronic pain", from 2013. Several adjuvants to local anesthetics have been studied for acute and chronic pain. CLONIDINE and DEXAMETHASONE are of greatest interest in increasing block duration and reducing opioid consumption. The investigators report the case of 21 patients, treated by a trigeminal block from 2014 to 2018, suffering from a resistant trigeminal neuralgia. After a first consultation, the diagnosis is confirmed, an information is done and an appropriate support is established. The sensory block is performed as an outpatient care. It consists in a peri-neural injection of a mixture of LEVOBUPIVACAINE 5%, CORTIVAZOL 3.75mg / 1.5mL (or BETAMETHASONE 7mg / 1ml) and CLONIDINE (1μg / kg). Standard precautions are respected and patients are monitored in the recovery room after the procedure. The efficacity is evaluated before the exit and a follow-up is done within 15 days. The level of satisfaction expressed by the patients seems to be globally high. The investigators wish to evaluate statistically the impact of the trigeminal blocks, in terms of improvement of the quality of life. This retrospective study, by its procedure, does not change the management of patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Patients with trigeminal neuralgia resistant | a telephone survey will be conducted at 21 patients with trigeminal neuralgia resistant to usual treatments, according to the ICHD-3β criteria treating by one or more trigeminal nerve blocks at the peri operative pain management center of Limoges University Hospital between 2014 and 2018 |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| telephone survey | Other | a telephone survey will be conducted at 21 patients with trigeminal neuralgia resistant to usual treatments, according to the ICHD-3β criteria treating by one or more trigeminal nerve blocks at the peri operative pain management center of Limoges University Hospital between 2014 and 2018. |
| Measure | Description | Time Frame |
|---|---|---|
| Change of the quality of life from baseline to day 15 after baseline | Percentage of patients with improvement of more than 50% in quality of life, mesured with the 'Medical Outcome Study Short Form 12', from baseline (day 0 = just before the block) to day 15. The questionnaire consists of 12 items questioned weighted and summed to provide physical and mental health scores (PCS and MCS). The two composite scores are computed using the scores on twelve questions that range from 0 to 100, with higher score indicating better health. | Day 0, Day 15 |
| Measure | Description | Time Frame |
|---|---|---|
| Change in pain level just before and after the block assessed by a numerical scoring scale | Average value of the Numerical Rating Scale immediately before, after and at day 15 after the block. Zero represents 'no pain at all' whereas ten represents 'the worst pain ever possible' | Day 0, Day 15 |
| Neuropathic criteria of pain just before and after the block assessed by DN4 |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with trigeminal neuralgia resistant to usual treatments, according to the ICHD-3β criteria treating by one or more trigeminal nerve blocks at the peri operative pain management center of Limoges University Hospital between 2014 and 2018.
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| Name | Affiliation | Role |
|---|---|---|
| Nathalie NATHAN-DENIZOT, PU-PH | University Hospital, Limoges | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital | Limoges | 87042 | France |
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| ID | Term |
|---|---|
| D014277 | Trigeminal Neuralgia |
| D059350 | Chronic Pain |
| ID | Term |
|---|---|
| D020433 | Trigeminal Nerve Diseases |
| D005156 | Facial Neuralgia |
| D005155 | Facial Nerve Diseases |
| D009059 | Mouth Diseases |
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Average value of the DN4 score before and after the block. DN4 questionnaire helps estimate the likelihood of neuropathic pain. The maximum score is 10. The threshold value for the diagnosis of neuropathic pain is 4. |
| Day 0 |
| Duration of the block | Number of days before covering an VAS justifying a new block | Day 0 |
| Patient overall satisfaction assessed by a Numerical Rating Scale. | Average value of the Numerical Rating Scale. Zero represents 'not at all satisfied' whereas ten represents 'very satisfied'. | Day 0 |
| Impact on analgesics consumption assessed by the dosage of analgesics | doses of analgesics compared to those usually delivered | Day 0 |
| Side effects | To list side effects | Day 0 |
| Return to work | For the patients concerned: yes / no | Day 0 |
| Return to hobbies | For the patients concerned: yes / no | Day 0 |
| D009057 |
| Stomatognathic Diseases |
| D003389 | Cranial Nerve Diseases |
| D009422 | Nervous System Diseases |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |