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Biomedical subjects

G C Cormack

Publications and source records attributed to G C Cormack.

26 records · Page 2Linked to original sources

Fasciocutaneous vessels in the upper arm: application to the design of new fasciocutaneous flaps.

The principles of the blood supply to the upper arm are described. Despite the large, fleshy nature of the biceps and the triceps, the blood supply to upper arm skin is not from the underlying muscles, but is by fasciocutaneous perforators emerging along the medial and lateral intermuscular septa. Fifty dissections of preserved cadavers have shown that on the lateral side the fasciocutaneous perforators consistently arise from the middle collateral artery. The available length of this vessel and its diameter have been measured and are reported. The design of a flap based on this vessel, in a manner analogous to the Chinese forearm flap on the radial artery, is described.

Arm↗

Misconceptions regarding the cervico-humeral flap.

Various authors have reported different failure rates for the cervico-humeral flap. An attempt is made to explain these occurrences in the light of recent experimental and clinical work which has increased our knowledge of the detailed blood supply of the supraclavicular fossa and shoulder region. In particular, the role of a fascio-cutaneous vessel in the supply of a proximally based shoulder flap is stressed. Division of this vessel may occur during proximal mobilisation of the cervico-humeral flap. This fundamentally alters the nature of the flap and may be the key to the varying failure rates. The implications of this for fascio-cutaneous flaps in general are discussed.

Humans↗

The anatomical vascular basis of the axillary fascio-cutaneous pedicled flap.

The reliability of the axillary fascio-cutaneous flap recently described in this Journal was attributed to the presence of vessels in a fascial plexus. This paper describes the findings in anatomical studies of the vasculature in this region and highlights an important directional component in the fascial plexus at this site. Comparisons are made with other regions of the posterior trunk and the implications for pedicled fascio-cutaneous flaps elsewhere are discussed.

Axilla↗

The antecubital fascio-cutaneous flap.

A clinical case is reported in which a fascio-cutaneous forearm pedicled flap was used. The flap was based on the previously described inferior cubital artery. Anatomical studies suggested that this vessel could be the basis for a fascio-cutaneous free flap possessing an exceptionally long vascular pedicle. This flap is described and its implications discussed in relation to the radial forearm (Chinese) flap.

Aged↗

The forearm angiotomes.

The historical background of the literature on the cutaneous vascular territories of the forearm is reviewed. Further study of these territories has been undertaken using established anatomical techniques. Our findings differ from previous descriptions. The relevance of these findings is fundamental to the raising of fascio-cutaneous flaps. A previously undescribed fascio-cutaneous flap is postulated.

Arteries↗

Progress in flap surgery: greater anatomical understanding and increased sophistication in application.

An introduction summarizes the history of the development of flap surgery and puts the discovery of the fasciocutaneous flaps into historical perspective. The anatomical work underlying this discovery is presented and the way in which it has led to improved designs of flaps on the limbs is then described. Finally, the increased refinement and sophistication in the application of all types of flaps is demonstrated by a description of recent advances in the use of microsurgical free tissue transfer in 3 key areas of reconstructive surgery.

Animals↗