Arteriovenous shunting and regional blood flow in myocutaneous island flaps: an experimental study in pigs
Research output: Contribution to journal › Journal article › Research › peer-review
In eight pigs, total blood flow, regional capillary blood flow distribution, and arteriovenous (AV) shunting were studied during the first 4 postoperative hours after elevation of a myocutaneous rectus abdominis island flap. Capillary blood flow and AV shunting were measured using radioactive microspheres before flap creation and 1 and 4 hours after surgery. Total blood flow, measured continuously as venous outflow, increased in the first postoperative hour (p less than 0.05). Elevation of the flap caused a slight decrease in skin capillary blood flow (p less than 0.05), whereas muscular capillary blood flow increased (p less than 0.01). AV shunting accounted for 50 percent of the total flap blood flow, whereas it was negligible in the abdominal wall prior to flap elevation. Thus stalk blood flow, skin appearance, and skin temperature may be poor indicators of nutritional capillary perfusion. However, the clinical and nutritional consequences of these findings remain to be established.
Original language | English |
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Journal | Plastic and Reconstructive Surgery |
Volume | 87 |
Issue number | 2 |
Pages (from-to) | 326-34 |
Number of pages | 9 |
ISSN | 0032-1052 |
DOIs | |
Publication status | Published - Feb 1991 |
- Analysis of Variance, Animals, Capillaries/physiology, Dermatologic Surgical Procedures, Female, Male, Muscles/blood supply, Regional Blood Flow, Skin/blood supply, Surgical Flaps/methods, Swine, Time Factors
Research areas
ID: 244328367