ociceptive processing in anterior cutaneous nerve entrapment syndrome, a quantitative sensory testing analysis

Completed

• Conditions: buikwand aandoening; entrapped nerve in abdominal wall

• Registration Number: NL-OMON38839
• Lead Sponsor: niversitair Medisch Centrum Sint Radboud

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 29 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 70

Inclusion Criteria

1. Patient has been diagnosed with abdominal complaints, matching ACNES:
i) Patient had a constant site of tenderness that is superficially located with a small (<2cm2) area of maximal tenderness.
ii) The most intense pain could be localized with the tip of one finger.
iii) Tenderness increased by abdominal muscle tensing (Carnett*s test).
2. has been treated (successfully and unsuccessfully) for ACNES.
3. Patient is at least 18 years old on the day the informed consent form will be signed.
4. Patient is willing and able to comply with the trial protocol.
5. Patient is able to speak, read and understand the local language of the investigational site, is familiar with the procedures of the study, and agrees to participate in the study program by giving oral and written informed consent prior to screening evaluations.

Exclusion Criteria

1. Abdominal complaints were due to a condition other than ACNES (e.g. pain related to scar tissue).
2. Patient has (a history of) another (chronic) pain syndrome that interferes with the interpretation of QST results.
3. Patient has (a history of) a medical disorder that interferes with the study measurements or may pose a risk for the patient.
4. Patient does not feel a pinprick test to the lower extremities, due to affected sensory input (e.g. neuropathy as a result of diabetes mellitus).
5. Female patient is pregnant during the course of the study.

Study & Design

• Study Type: Observational non invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Pressure pain and electrical pain thresholds as investigated by QST. </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>Secondary study parameters are Visual Analog Scale (VAS) scores and results of<br /><br>Pain Anxiety Symptom Scale (PASS) and Pain Catastrophizing Scale (PCS)<br /><br>questionnaires.</p><br>