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The investigators will investigate whether administration of Nitroglycerin (NTG) as spasmolytic regimen reduces the incidence of moderate to severe radial artery spasm (RAS) in patients undergoing transradial catheterization in radial center.
Patients will be randomized to receive either 200 microgram NTG or placebo (saline) at the beginning of the procedure soon after radial sheath placement. The operators will be blinded to both assignment. The primary outcome is the incidence of moderate to severe RAS evaluated by the operators during the radial procedure.
Both NTG and placebo will be administered using an identical syringe to keep the operators blinded to the treatment allocation. Radial angiogram is mandatory to measure the diameter of both radial and ulnar arteries. Doppler ultrasound of the radial artery will be examined at the day after the procedure.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 200 microgram NTG | Active Comparator | 200 microgram NTG through the radial sheath |
|
| Saline | Placebo Comparator | Saline infusion through the radial sheath |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| NTG 1 MG/ML Injectable Solution | Drug | administered after sheath placement |
|
| Measure | Description | Time Frame |
|---|---|---|
| The incidence of Moderate to severe radial artery spasm | arm pain associated with catheter manipulation (RAS grade 2 to 4) | During the index procedure |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Agnes Intan, MD | Contact | 622122608047 | 1234 | agnesintan1231@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hermina Heart Center | Recruiting | Jakarta Pusat | DKI Jakarta | 10630 | Indonesia |
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| ID | Term |
|---|---|
| D005996 | Nitroglycerin |
| ID | Term |
|---|---|
| D009574 | Nitro Compounds |
| D009930 | Organic Chemicals |
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NTG vs Placebo
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