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Biomedical subjects

J H Grollman

Publications and source records attributed to J H Grollman.

At least 37 records · Page 2Linked to original sources
PubMed1996

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Angioplasty, Balloon, Coronary↗
PubMed1992

Arteriographic demonstration of both kinking at the origin and compression between the great vessels of an anomalous right coronary artery arising in common with a left coronary artery from above the left sinus of Valsalva.

Angled angiographic views demonstrated two areas of significant systolic narrowing in an anomalous right coronary artery arising in common with a left coronary artery from above the left sinus of Valsalva: 1) an ostial stenosis due to kinking as the anomalous artery turned sharply to the right after its origin from the aorta; 2) compression of the proximal segment as it coursed between the aorta and pulmonary artery. Appropriate angiographic studies to evaluate the presence of these changes may help to elucidate their significance.

Aortography↗
PubMed1990

Bilateral aortoiliac pressure measurements from a single puncture site.

Bilateral aortoiliac pressure measurements were obtained at the time of aortography by performing contralateral iliac artery catheterization in 102 patients with peripheral vascular disease. Patients studied had mild-to-moderate aortoiliac disease and in their cases the additional information was believed to be important in therapeutic decision making. Patients with severe ulcerative disease, peripheral thromboembolism, and significant aortic aneurysms were excluded. Pressure gradients out of proportion to the degree of stenosis as measured on the arteriograms were frequently found, particularly during high flow states with intraarterial injections of a vasodilator. There were two failures of catheterization and three minor complications, none embolic. We conclude that contralateral iliac artery catheterization in selected patients is both safe and generally easily performed by experienced angiographers.

Aorta, Abdominal↗
PubMed1988

Thromboembolic complications in coronary angiography associated with the use of nonionic contrast medium.

Thromboembolic complications occurred during diagnostic coronary arteriography in three patients in spite of systemic heparinization. These mishaps were associated with the use of a nonionic contrast medium, which is known not to have a significant protective effect on coagulation pathways. If nonionic contrast media are to be used in angiographic studies of critical organs, meticulous technique is imperative, and adequate systemic heparinization is recommended.

Aged↗
PubMed1988

Transbrachial arteriography: techniques and complications.

A study of 72 patients angiographically examined by the percutaneous transbrachial technique with 4-5F catheters is reported. Even though the patients were preselected to reduce the risk of the technique, an unacceptably high incidence (7%) of major complications, including 3 patients requiring surgery for brachial thrombosis, was encountered. Although transbrachial catheterization with single 4F catheter midstream injections as reported in the literature may be safe, this technique is unwarranted when selective studies are planned and the alternative transfemoral approach is available.

Ambulatory Care↗
PubMed1984

Antegrade translumbar aortography.

A new catheter-needle combination is described for use in translumbar aortography using a T-12 approach. The catheter has a 90 degree angle 1.5 cm from the tip that allows ready antegrade or retrograde catheterization of the abdominal and thoracic aorta. Injections of contrast material are performed with a tip occluder in place.

Aortography↗
PubMed1982

Angled views in the evaluation of the right coronary artery.

The use of cranial and caudal angulated views in the angiographic evaluation of the right coronary artery (RCA) was assessed in 61 patients. Each patient had a standard LAO and RAO view, followed by one or more angled views. The standard LAO view showed the area about the origin of the posterior descending artery (PD0) adequately in 33 of 46 patients (&2%), and the mild and distal portions of the posterior descending artery (PDm&d) adequately in 26/46 (56%). The standard RAO view showed the PDO adequately in only 17/46 (37%) and the PDm&d adequately in 41/46 (89%). With the LAO cranial view, however, the PDO was seen well in 45/46 (98%), and PDm&d was seen well in 44/46 (96%). The RAO angled views, although of more limited utility, also afforded improved visualization of the distal segments of the RCA. We recommend the use of angled views in the evaluation of the right coronary artery, as these views, particularly the LAO cranial view, afford improved visualization of the distal segments of the RCA.

Angiography↗