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| Name | Class |
|---|---|
| Aalborg University | OTHER |
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The overall aim of the study is to investigate if patients with musculoskeletal chronic pain have reduced semen quality in comparison with age matched healthy controls. Secondly, the aim is to investigate whether overweight with or without chronic pain are related to reduced semen quality. We will investigate semen quality in obese chronic pain patients, normal weight chronic pain patients and in obese and normal weight healthy controls.
Obesity is associated with several disorders including chronic musculoskeletal pain. For example obesity has been implicated in the development or progression of low back pain and knee osteoarthritis. The mechanism by which obesity causes lumbar back pain is poorly understood, but the contribution of both mechanical and system factors is likely. Direct mechanical stress on the intervertebral discs and adjacent structures are suspected to be mechanisms through which obesity affects the spine, leading to subsequent low back pain. The link between obesity and knee osteoarthritis has also been demonstrated, but potential factors underlying the association of obesity with knee osteoarthritis has not entirely been elucidated.
It is a well-known fact that obesity leads to an excess load on the joint, increased cartilage turnover, increased collagen type 2 degradation products and increased risk of degenerative meniscal lesions. Although all of these factors have been proposed to lead to knee osteoarthritis, no causal relationship has been demonstrated.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group I | Overweight osteoarthritis patients | ||
| Group II | Normal weight osteoarthritis patients. | ||
| Group III | Overweight healthy men. | ||
| Group IV | Normal weight healthy men. |
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| Measure | Description | Time Frame |
|---|---|---|
| Progressive motility | Progressive motility as in the world health organization lower reference limits for sperm quality. | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Pain | The patients will be tested for their pain in terms of intensity and quality. Intensity will be rated on a visual analogue scale (VAS 0-10) for ongoing pain. Pressure pain will be measured by application of a handheld pressure algometer. A validated Danish version of short form McGill Pain Questionnaire will be given to evaluate the quality of pain. In addition, distribution of pain will be mapped by drawing on a body chart. |
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Inclusion Criteria:
Exclusion Criteria:
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Primary care clinic
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Sten Rasmussen, M.D. | Contact | sten.rasmussen@rn.dk | ||
| Hans I. Nielsen, PhD | Contact | hin@hst.aau.dk |
| Name | Affiliation | Role |
|---|---|---|
| Sten Rasmussen, M.D. | Clinic for Neuro- and Orthopaedic Diseases, Aalborg University Hospital | Study Director |
| Hans I. Nielsen, PhD | Department of Health Science and Technology, Aalborg University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Clinic for Neuro- and Orthopaedic Diseases, Aalborg University Hospital | Recruiting | Aalborg | DK-9000 | Denmark |
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| ID | Term |
|---|---|
| D050177 | Overweight |
| D009765 | Obesity |
| D010146 | Pain |
| ID | Term |
|---|---|
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
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A research biobank will be established during the project period. Majority of each sperm sample will be analyzed immediately but approximately 250 ul seminal plasma will be frozen and later analyzed at Aalborg University Biotechnology Department.
| 6 months |
| Fereshteh Dardmeh, PhD stud. | Department of Health Science and Technology, Aalborg University | Principal Investigator |
| Parisa Gazerani, PhD | Department of Health Science and Technology, Aalborg University | Study Chair |
| Hiva Alipour, PhD stud. | Department of Health Science and Technology, Aalborg University | Study Chair |
| D012816 |
| Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009461 | Neurologic Manifestations |