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Acute kidney injury (AKI) is one of the most frequent major complications in patients undergoing cardiac surgery. CSA-AKI is independently related to increased perioperative mortality, increased hospital and ICU length of stay as well as heath care expenditure. Identification of relevant biomarkers may lead to early diagnosis and improve patient outcomes and health care costs. The pathophysiology of CSA-AKI is complex and ischemia-reperfusion injury is one of the important factors. Recently, it has been shown that Tissue Inhibitor of Metalloproteinases 2 (TIMP2) is associated with ischemia-reperfusion injury. In this study, relationship between TIMP2 with the risk of CSA-AKI was analyzed and the predictive value of elevated level of TIMP2 for early prediction of CSA-AKI was further evaluated.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| TIMP2 Tertile 1 | Experimental | Other: TIMP2 level |
|
| TIMP2 Tertile 2 | Experimental | Other: TIMP2 level |
|
| TIMP2 Tertile 3 | Experimental | Other: TIMP2 level |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| TIMP2 level | Drug | different TIMP2 level after on-pump cardiac surgery |
|
| Measure | Description | Time Frame |
|---|---|---|
| the development of CSA-AKI | the development of CSA-AKI | 1 Week |
| Measure | Description | Time Frame |
|---|---|---|
| AKI severity | AKI stage 1,stage 2,stage 3 | 1 Week |
| need for RRT | Reflect kidney function | 1 Week |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Zhongnan Hospital | Wuhan | Hubei | 430061 | China |
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| ID | Term |
|---|---|
| D058186 | Acute Kidney Injury |
| ID | Term |
|---|---|
| D051437 | Renal Insufficiency |
| D007674 | Kidney Diseases |
| D014570 | Urologic Diseases |
| D052776 | Female Urogenital Diseases |
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TIMP2 level
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| duration of AKI (≥7 days) | Reflect kidney function | 1 Week |
| length of ICU stay | Reflect patient prognosis | up to 28 days |
| post-operative hospital stay | Reflect patient prognosis | up to 28 days |
| D005261 |
| Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D052801 | Male Urogenital Diseases |