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The study was designed to investigate the correlation between perioperative adverse cardiovascular events and the degeneration of sensory nerves in patient diagnosed with type 2 diabetes mellitus, undergoing elective non-cardiac surgery.
The study was designed to investigate the correlation between perioperative adverse cardiovascular events and the degeneration of sensory nerves in patient diagnosed with type 2 diabetes mellitus, undergoing elective non-cardiac surgery. Diabetes mellitus and peripheral sensory nerve degeneration will be diagnosed via clinical evaluation. Serum levels of constituent neuropeptides, including neuropeptide Y (NPY), calcitonin and substance P (SP) and calcitonin gene related peptide (CGRP), and transient receptor potential vanilloid 1 (TRPV1), a molecular nociceptor in peripheral sensory nerves will be quantitatively evaluated. The clinical and the biochemical consequence will be compared between the cohorts of diabetic and non-diabetic patients. The differences and the correlations will be analyzed. The results of the study may reveal whether or not the perioperative adverse cardiovascular events in diabetic patients are correlated with degeneration of peripheral sensory nerves and the alterations in the neuropeptides and TRPV1 are potentially applicable for evaluation of the risk of cardiovascular events in perioperative period in diabetic patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| non-diabetic group | The non-diabetic patients undergoing non-cardiac surgery. |
| |
| Diabetic group | The diabetic patients without peripheral neuropathy undergoing non-cardiac surgery. |
| |
| Diabetic neuropathic group | The diabetic patients with peripheral neuropathy undergoing non-cardiac surgery. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| non-cardiac surgery | Procedure | All the patients are undergoing non-cardiac surgery. |
|
| Measure | Description | Time Frame |
|---|---|---|
| adverse cardiovascular events | All the pre-, intra- and post-operative adverse cardiovascular events in the patients will be taken into account. | Perioperative period |
| Measure | Description | Time Frame |
|---|---|---|
| NPY, CGRP, SP and TRPV1 | The difference in the serum levels of NPY, CGRP, SP and TRPV1 | Perioperative period |
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Inclusion Criteria:
Exclusion Criteria:
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Type 2 diabetic patients with and without peripheral sensory neuropathy
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Zheng Guo, M.B., Ph.D. | Contact | +863513365790 | guozheng713@yahoo.com |
| Name | Affiliation | Role |
|---|---|---|
| Zheng Guo, M.B., Ph.D. | Second Hospital of Shanxi Medical University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Zheng Guo | Recruiting | Taiyuan | Shanxi | 030001 | China |
Yes, if possible.
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| ID | Term |
|---|---|
| D003924 | Diabetes Mellitus, Type 2 |
| D003920 | Diabetes Mellitus |
| D009410 | Nerve Degeneration |
| ID | Term |
|---|---|
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
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| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |