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Biomedical subjects

U Brunner

Publications and source records attributed to U Brunner.

At least 109 records · Page 6Linked to original sources

Acute thrombosis.

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Collateral Circulation↗

[Postthrombotic syndrome 1978 (author's transl)].

Venous reconstruction is frequently endangered by the slow velocity of the blood. Thrombotic occlusion may be prevented by a temporary arteriovenous shunt. The conventional technique of temporary arteriovenous shunting, however, bears the danger of late arterial stenosis. Furthermore, the transposition of blood into the subcutaneous region may result in a dilation of the venous graft. This is demonstrated in a case of Palma's operation. The early results with a suspended ring suture of our own design are encouraging. Surgery of secondary alterations in case of postthrombotic syndrome is illustrated by some outstanding examples.

Arteriovenous Shunt, Surgical↗

[Reconstruction of injured veins under the ligament].

The difficulties met, when reconstructing an injured v. femoralis communis, are greater than those of other veinous segments of the leg. This is due to the fact that the vein, being disconnected from its natural braces, is compressed by the inguinal ligament. In order to overcome this elective difficulty, a modification of the ring of Kunlin, especially thought out for this part of the body and clinically tested, is presented.

Adult↗

[The arteriographic appearances of the hypothenar hammer syndrome (author's transl)].

The characteristic angiographic appearances found in the superficial palmar arch are described in five cases of the hypothenar hammer syndrome. The symptoms depend on the anatomical peculiarities of the arteries in the hand, the extent of the causative lesion and the condition of the peripheral digital arteries. The condition is probably more common than is thought. It can be differentiated from other vascular abnormalities of the hand by angiography.

Adult↗

[Experiences with Dotter's percutaneous recanalization of chronic arterial occlusions].

Since 1971 141 patients (mean age 66 years, range 46-85 years) with chronic occlusions of the pelvic (19) and superficial femoral popliteal arteries (122) have been treated by the percutaneous recanalization technique first described by Dotter and Judkins in 1964. Since 1974 we have employed a modification of the original Dotter technique. The occluding material is removed with a double-lumen distensible catheter introduced over a guide wire. Primary success was achieved in 117 (83%) patients. Re-occlusions occurred in 18 patients after 6 months and in 5 patients in the second half of the first year, giving an overall patency rate of 75%. Up to now no further re-occlusions of dilated arterial segments have been observed. Indications for this treatment as compared with vascular surgery are discussed.

Aged↗