Biomedical subjects
C G Rob
Publications and source records attributed to C G Rob.
Hemodynamic alterations in arteries with critical stenosis during acute hemorrhage.
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Colon and rectal surgery in relationship to surgical programs of medical schools and hospitals.
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Malignant anal lesions.
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Intralymphatic 5-fluorouracil and radioactive gold as an adjuvant to surgical operation for colorectal carcinoma.
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Anatomic and hemodynamic correlations in carotid artery stenosis.
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Chronic common carotid occlusion.
Twelve patients with chronic common carotid artery (CCA) occlusion were studied. There were 8 patients with TIAs (3 hemispheric and 5 vertebral-basilar), one with a completed stroke, and 3 were asymptomatic. The ipsilateral internal carotid artery (ICA) was confirmed patent in 6 patients at the time of operation, although angiograms had demonstrated patency in only two. The ipsilateral external carotid artery (ECA) was patent in all but one patient. Arterial reconstructions were done on 7 patients. The carotid bifurcation was revascularized by subclavian-to-carotid bypass grafts in 5 patients, 3 with vertebral-basilar (V-B) TIAs, one with hemispheric TIAs, and one with a completed stroke. Vertebral revascularization was done on 2 patients, one with V-B TIAs and one who was asymptomatic. All revascularized patients had satisfactory results. Symptomatic patients can be treated by cerebral revascularization through either the ICA, if patent, the ECA via the ophthalmic collaterals, or through the vertebrals when hypoperfused. The ICA is preferentially revascularized and exploration often reveals a patent ICA that was not visualized angiographically. Recently, directional Doppler studies have proved useful in determining ICA patency.
Use of penicillin for venereal disease in World War II.
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Endarterectomy for atherosclerotic lesions of the carotid artery.
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Failure of Doppler ultrasound in the early assessment of blood flow in polytetrafluoroethylene grafts.
PTFE is widely used as an arterial and venous graft. The assessment of patency and flow through vascular grafts has been facilitated by the use of Doppler blood flow measurement instruments. However PTFE grafts do not predictably transmit the ultrasound beam used in these instruments in the operative and early postoperative period. Consequently Doppler flow measurements over PTFE grafts are unreliable and may confuse the early assessment of operative results.