Tourniquet test

You don't need to be Editor-In-Chief to add or edit content to WikiDoc. You can begin to add to or edit text on this WikiDoc page by clicking on the edit button at the top of this page. Next enter or edit the information that you would like to appear here. Once you are done editing, scroll down and click the Save page button at the bottom of the page.

A tourniquet test (also known as a Rumpel-Leede Capillary-Fragility Test or simply a capillary fragility test) determines capillary fragility. It is a clinical diagnostic method to determine a patient's haemorrhagic tendency. It assesses fragility of capillary walls and is used to identify thrombocytopenia (a reduced platelet count).

The test is defined by the WHO as one of the necessary requisites for diagnosis of Dengue fever. A blood pressure cuff is applied and inflated to a point between the systolic and diastolic blood pressures for five minutes. The test is positive if there are more than 20 petechiae per square inch (a petechia is a small red or purple spot on the body, caused by a minor hemorrhage).

This test does not have high specificity. Interfering factors with this test are women who are premenstrual, postmenstrual and not taking hormones, or those with sun damaged skin, since all will have increased capillary fragility.(Pagana, & Pagana, 1998; Tsai, 2000).

Reliability

At least one insurance company, Aetna, has determined that the Rumpel-Leede test is obsolete or unreliable and has been replaced by more advanced procedures. http://www.aetna.com/cpb/data/CPBA0438.html.

The test remains an essential part of the assessment of a patient who may have dengue haemorrhagic fever.