| intervention | The act or fact of interfering so as to modify. (18 Nov 1997) |
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| intervention studies | Epidemiologic investigations designed to test a hypothesised cause-effect relation by modifying the supposed causal factor(s) in the study population. (12 Dec 1998) |
| interventional angiography | <cardiology, surgery> The surgical repair of a blood vessel. A balloon angioplasty is a noninvasive procedure where a balloon-tipped catheter is introduced into a diseased blood vessel. As the balloon is inflated, the vessel opens further allowing for improved flow of blood. (12 Nov 1997) |
| interventional radiology | The clinical subspecialty that uses fluoroscopy, CT, and ultrasound to guide percutaneous procedures such as performing biopsies, draining fluids, inserting catheters, or dilating or stenting narrowed ducts or vessels. (05 Mar 2000) |
| crisis intervention | Brief therapeutic approach which is ameliorative rather than curative of acute psychiatric emergencies. Used in contexts such as emergency rooms of psychiatric or general hospitals, or in the home or place of crisis occurence, this treatment approach focuses on interpersonal and intrapsychic factors and environmental modification. (12 Dec 1998) |
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| psychosocial intervention | <psychiatry> A therapeutic intervention that uses cognitive, cognitive-behavioural, behavioural and supportive interventions to relieve pain. These include patient education, interventions aimed at aiding relaxation, psychotherapy and structured or peer support. (16 Dec 1997) |