The Osteocutaneous Pedicle Forearm Flap

Two patients treated by an osteocutaneous radial island flap with retrograde blood flow are described. Rotation of the flap and its distal vascular pedicle by nearly 180 degrees caused no impairment of the arterial flow, but it may interfere with the venous return through the radial veins, as observed in one of our cases. Therefore, it is safer to include in the skin flap an additional vein, suturing it to a superficial vein in the recipient zone, thus ensuring normal venous flow to the flap as well. The purpose of this paper is to present two patients treated by the use of an osteocutaneous radial artery forearm flap.

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Blood flow in the ovary and adjacent structures of the non-pregnant sheep

Acta Endocrinologica ◽

10.1530/acta.0.1030259 ◽

1983 ◽

Vol 103 (2) ◽

pp. 259-265 ◽

Cited By ~ 7

Author(s):

P. O. Janson ◽

D. Williams ◽

O. M. Petrucco ◽

F. Amato ◽

R. F. Seamark ◽

...

Keyword(s):

Blood Flow ◽

Venous Blood ◽

Vascular Pedicle ◽

Venous Flow ◽

Adjacent Structures ◽

Pregnant Sheep ◽

Rapid Changes ◽

Capillary Bed

Abstract. Blood flow to the ovary, vascular pedicle and oviduct was measured in anaesthetized non-cycling and cycling ewes by timed collection of ovarian venous blood. The degree of arterio-venous shunting across the ovary and pedicle was estimated both in vivo and in vitro by perfusing the tissues with 15 ± 5 μm radioactive microspheres. The mean ovarian blood flow in non-cycling animals was 1.9 ml/min, which was 51% of blood flow in the ovarian vein. In cycling animals ovarian blood flow at midcycle was 2.9 ml/min (66% of ovarian venous flow) in non-luteal ovaries and 4.3 ml/min (79% of venous flow) in luteal ovaries. The degree of arterio-venous shunting was low in all stages of the cycle (1.0–2.6% across ovary + pedicle). The degree of shunting was also found to be very small in vitro (0.007–1.38%) in both non-luteal and luteal ovaries. A considerable number of microspheres was entrapped in the vascular pedicle of the ovary indicating the presence of an extensive capillary bed. There was an inverse relationship between blood flow in the ovary and flow in the vascular pedicle. Alterations in distribution of blood flow between the ovary and adjacent structures supplied by the ovarian artery may be of functional significance in allowing rapid changes in ovarian blood flow. The results of the present study indicate that changes in ovarian blood flow during the oestrous cycle are not caused by an action on arteriovenous shunt vessels.

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Retrograde Island Flap Bridge Transfer of Adjacent Phalangeal Artery Combined With Vascular Pedicle Tubular Skin Grafting to Repair Finger Pulp Defect

10.21203/rs.3.rs-907874/v1 ◽

2021 ◽

Author(s):

Weibin Du ◽

Fangbing Zhu ◽

Qiao Hou ◽

Shenghu Hong ◽

Guohua Ren ◽

...

Keyword(s):

Hand Function ◽

Skin Flap ◽

Skin Grafting ◽

Island Flap ◽

Function Evaluation ◽

Vascular Pedicle ◽

Dorsal Branch ◽

Donor Area ◽

Functional Exercise ◽

And Function

Abstract Objective: To investigate the surgical method and therapeutic effect of retrograde island flap bridge transfer of adjacent phalangeal artery combined with vascular pedicle tubular skin grafting to repair finger pulp defect.Methods: From June 2008 to May 2020, 14 patients (16 fingers) with severe contusion of proximal and middle phalangeal body combined with finger pulp defect, and 5 patients (5 fingers) with finger pulp defect more than distal interphalangeal joint were repaired by retrograde island flap bridge transfer of adjacent phalangeal artery combined with vascular pedicle tubular skin grafting. The dorsal branch of digital nerve was carried in the skin flap for anastomosis with the proper nerve at the stump of the injured finger. The donor area was covered with medium thickness skin of abdominal or elbow transverse stripes, and the vascular pedicle was wrapped with tubular skin. The pedicle was severed 16-22 days after surgery. The survival rate and complications of postoperative flaps were observed. The finger function was evaluated by the Michigan functional questionnaire and Dagan functional criteria, and the clinical effect was evaluated. Result: All flaps survived and all patients were followed up for a period of 6 to 46 months. The skin flap of the affected finger was of good texture, and the appearance was naturally not bloated. The two-point discrimination was 7 ~ 11mm, and no obvious complications were observed in the donor area. Evaluation of the Michigan Hand Function Questionnaire: Nineteen patients were satisfied with the overall appearance and function of the hand. Finger joint Dargan function evaluation: excellent in 15 cases, good in 4 cases.Conclusions: It is a safe and effective operation to repair finger pulp defect with the retrograde island flap of adjacent finger artery combined with vascular pedicle tubular skin grafting. the skin flap has the advantages of simple cutting, good texture and concealed donor area, which is convenient for the early functional exercise of the finger body.

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The Pattern of Venous Drainage of Surgically Created Side-to-Side Arteriovenous Fistulae in the Human Forearm

Clinical Science ◽

10.1042/cs0500037 ◽

1976 ◽

Vol 50 (1) ◽

pp. 37-41

Author(s):

J. P. Jamison ◽

W. F. M. Wallace

Keyword(s):

Blood Flow ◽

Skin Temperature ◽

Radial Artery ◽

Venous Drainage ◽

Superficial Vein ◽

Retrograde Flow ◽

Arteriovenous Fistulae ◽

Human Forearm ◽

Occlusion Cuff ◽

Increased Blood Flow

1. The forearm and hand circulation in nine patients with a surgically created side-to-side fistula between the radial artery and a nearby superficial vein in the lower forearm has been investigated. 2. Dilated veins on the dorsum of the hand communicated with the fistula without intervening valvular obstruction. Skin temperature of both forearm and hand was greater on the side with the fistula in all cases. 3. Inflation of an occlusion cuff distal to the fistula markedly reduced apparent fistular flow. 4. It is concluded that the fistulae result in increased blood flow to the hand by retrograde flow from the fistula into the hand veins. Hand as well as forearm must be included in the plethysmographic measurement of blood flow in such cases.

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Treatment of fingertip defect with reversed digital artery island flap through superficial vein anastomosis

ANZ Journal of Surgery ◽

10.1111/ans.16698 ◽

2021 ◽

Author(s):

Xianfeng Lan ◽

Yuming Huang ◽

Liang Guo ◽

Jingui Lin

Keyword(s):

Island Flap ◽

Superficial Vein ◽

Digital Artery

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Sports compression garments improve resting markers of venous return and muscle blood flow in male basketball players

Journal of Sport and Health Science ◽

10.1016/j.jshs.2021.07.010 ◽

2021 ◽

Author(s):

Shane F. O'Riordan ◽

Rod McGregor ◽

Shona L. Halson ◽

David J. Bishop ◽

James R. Broatch

Keyword(s):

Blood Flow ◽

Venous Return ◽

Muscle Blood Flow ◽

Basketball Players ◽

Compression Garments

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Quality of life in patients after reconstruction with the supraclavicular artery island flap (SCAIF) versus the radial free forearm flap (RFFF)

European Archives of Oto-Rhino-Laryngology ◽

10.1007/s00405-019-05478-6 ◽

2019 ◽

Vol 276 (8) ◽

pp. 2311-2318 ◽

Cited By ~ 3

Author(s):

Jennifer L. Spiegel ◽

Yiannis Pilavakis ◽

Bernhard G. Weiss ◽

Martin Canis ◽

Christian Welz

Keyword(s):

Quality Of Life ◽

Island Flap ◽

Forearm Flap ◽

Supraclavicular Artery Island Flap ◽

Radial Free Forearm Flap

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Changes in Hepatic Hemodynamics due to Primary Liver Tumours

HPB Surgery ◽

10.1155/1996/62057 ◽

1996 ◽

Vol 9 (4) ◽

pp. 245-248 ◽

Cited By ~ 9

Author(s):

F. Jakab ◽

Z. Ráth ◽

F. Schmal ◽

P. Nagy ◽

J. Faller

Keyword(s):

Hepatocellular Carcinoma ◽

Blood Flow ◽

Hepatic Artery ◽

Hepatic Blood Flow ◽

Primary Hepatocellular Carcinoma ◽

Portal Venous Flow ◽

Venous Flow ◽

Control Value ◽

Early Results ◽

Total Hepatic Blood Flow

Data regarding the afferent circulation of the liver in patients with primary hepatocellular carcinoma are controversial, we have carried out measurement of hepatic arterial and portal venous flow intraoperatively by transit time ultrasonic volume flowmetry. In patients with primary hepatocellular carcinoma the hepatic artery flow increased to 0.55±0.211 compared with the control value of 0.37±0.102 1/min. (p<0.01). The portal venous flow decreased from 0.61±0.212 l/min, to 0.47±l/min. p<0.01). Due to the opposite changes in the afferent circulation the total hepatic blood flow did not change significantly, compared with controls.The ratio of hepatic arterial flow to portal vein flow increased to 1.239±0.246 in patients with hepatocellular carcinoma, which is double of the control value (0.66±0.259 l/min). After resection this ratio did not change.The resection did not alter hepatic artery or portal venous flow significantly, although the total hepatic blood flow decreased significantly (p<0.01).On the basis of our early results it is possible that the ratio of the two circulations may be to deel measured with doppler ultrasound and provide diagnostic information.

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