Persistent Pain After Open Inguinal Herniotomy Clinical Trial
Official title:
Variability in Thermal Thresholds in Patients With Persistent Pain After Open Inguinal Herniotomy
The study will investigate the test-retest variability of thermal thresholds in patients with persistent pain after open inguinal herniotomy. Sensory mapping with a cool metal roller delineated an area with cool sensory dysfunction on the painful site. In this area and in a contralateral area as a control, 5 sites were outlined, including the point of maximum pain. In these total 10 sites warmth detection threshold (WDT), cool detection threshold (CDT) and heat pain threshold (HPT) were assessed using quantitative sensory testing. Tests were repeated after a 4-6 weeks interval.
| Status | Completed |
| Enrollment | 21 |
| Est. completion date | October 2013 |
| Est. primary completion date | October 2013 |
| Accepts healthy volunteers | No |
| Gender | Both |
| Age group | N/A and older |
| Eligibility |
Inclusion Criteria: - Patients with persistent pain after open inguinal herniotomy - Age > 18 years Exclusion Criteria: - Cognitive impairment - Drug or alcohol abuse - Bilateral inguinal hernia operation - Nerve injury from other causes |
Observational Model: Cohort, Time Perspective: Prospective
| Country | Name | City | State |
|---|---|---|---|
| Denmark | Rigshospitalet | Copenhagen |
| Lead Sponsor | Collaborator |
|---|---|
| Rigshospitalet, Denmark |
Denmark,
| Type | Measure | Description | Time frame | Safety issue |
|---|---|---|---|---|
| Primary | Test- retest variability of thermal thresholds. | Analysis of agreement (Bland-Altman) and reliability (intraclass correlation coefficients) of thermal threshold test- retest data assessed at baseline and after 4-6 weeks. | At baseline and retest 4-6 weeks later | No |