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A New Murine Model of Endovascular Aortic Aneurysm Repair
Published on: July 7, 2013
Combination of endovascular graft exclusion and drug therapy in AAA with hypertension or hyperglycemia
Dile Wang1, Bihui Qu1, Tao He2
1Department of Vascular Surgery, Key Laboratory for Molecular Diagnosis of Hubei Province, Wuhan Central Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Insights
Combining endovascular graft exclusion with medications for hypertension or hyperglycemia significantly reduces abdominal aortic aneurysm (AAA) size. This combination therapy offers a more effective treatment for AAA than endovascular graft exclusion alone.
Area of Science:
- Vascular Surgery
- Cardiology
- Endocrinology
Background:
- Abdominal aortic aneurysm (AAA) poses significant health risks.
- Managing comorbidities like hypertension and hyperglycemia is crucial in AAA treatment.
Purpose of the Study:
- To evaluate the efficacy of combining endovascular graft exclusion with antihypertensive and antidiabetic drugs for AAA treatment.
- To assess the impact of these combined therapies on AAA size and relevant biomarkers.
Main Methods:
- Analysis of 156 patients with AAA, divided into hypertensive (84) and hyperglycemic (72) cohorts.
- Hypertensive patients received endovascular graft exclusion followed by cyclopenthiazide, reserpine, propranolol, or placebo.
- Hyperglycemic patients received endovascular graft exclusion followed by metformin, insulin, or placebo.
Main Results:
- Endovascular graft exclusion led to AAA size reduction in all groups.
- Combined drug therapies (cyclopenthiazide, reserpine, propranolol, metformin, insulin) further reduced blood pressure and blood sugar levels, respectively.
- Significant AAA size reduction was observed with combined therapies compared to placebo (P<0.0001).
Conclusions:
- Combination therapy of endovascular graft exclusion with antihypertensive or antidiabetic medications is more effective for AAA treatment.
- This integrated approach enhances therapeutic outcomes for patients with abdominal aortic aneurysms and comorbid conditions.
Background:
The objective of the present study was to evaluate the efficacy of combination of endovascular graft exclusion and drugs for hypertension/hyperglycemia for the treatment of abdominal aortic aneurysm (AAA).
Methods:
We analyzed 156 patients with AAA. Eighty-four patients were hypertensive and 72 were hyperglycemic. After endovascular graft exclusion, hypertensive patients were divided into four groups and treated with cyclopenthiazide, reserpine, propranolol, and placebo respectively. Hyperglycemic patients were divided into three groups and treated with metformin, insulin, and placebo respectively. Body temperature and peripheral blood leukocytes were measured at day 1, 2, 7, and 14 after endovascular graft exclusion. Size of AAAs, blood pressure, and blood sugar were measured again after 1 year.
Results:
In hypertensive patients, the size of AAAs reduced after endovascular graft exclusion, while the combined treatments with cyclopenthiazide, reserpine, or propranolol helped to reduce blood pressure (blood pressure decrease <10 mmHg (18/21), <10 mmHg (12/21), <10 mmHg (8/21), and <10 mmHg (10/21) in the control group, cyclopenthiazide group, reserpine group, and propranolol group, respectively. AAA size decreased in the control group (P<0.001) and in the other three groups (P<0.0001). Similar results were obtained in hyperglycemic patients. The size of AAAs reduced after endovascular graft exclusion. Combined treatment with Metformin and Insulin reduced blood sugar (control, blood sugar >7.8 mmol/L (22/24), AAA size (P<0.001); metformin, blood sugar >7.8 mmol/L (14/24), AAA size (P<0.0001); insulin, blood sugar >7.8 mmol/L (11/24), AAA size (P<0.0001).
Conclusions:
Combination of endovascular graft exclusion with medicine is more effective than the former treatment alone for AAA therapy.
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