The Experts below are selected from a list of 288 Experts worldwide ranked by ideXlab platform
Carl J. Shaar - One of the best experts on this subject based on the ideXlab platform.
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Facile location of the Saphenous Vein during endoscopic vessel harvesting
The Annals of thoracic surgery, 2000Co-Authors: Keith B. Allen, Carl J. ShaarAbstract:Endoscopic techniques are used more frequently to harvest the Saphenous Vein for cardiac and peripheral vascular procedures. To identify the Saphenous Vein through an initial small access incision can be difficult. We describe the use of a portable intraoperative ultrasound system to expeditiously identify the Saphenous Vein during endoscopic harvesting, particularly in obese patients.
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Endoscopic Saphenous Vein Harvesting
The Annals of thoracic surgery, 1997Co-Authors: Keith B. Allen, Carl J. ShaarAbstract:Although the use of arterial conduit has decreased the amount of Saphenous Vein required for routine coronary artery bypass grafting, the Saphenous Vein as a bypass conduit remains an essential component of most practices. We describe the technique of endoscopic Vein harvest that, in our initial experience with 30 patients, has improved patient satisfaction and decreased the complications associated with traditional harvest techniques.
Robert P. Leather - One of the best experts on this subject based on the ideXlab platform.
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Ultrasonic characterization of the Saphenous Vein.
Cardiovascular surgery (London England), 1993Co-Authors: Anna Marie Kupinski, Benjamin B. Chang, Robert P. Leather, S. M. Evans, A. M. Khan, T. J. Zorn, R. C. Darling, Dhiraj M. ShahAbstract:The most frequently used conduit for infrainguinal or coronary artery bypass is the Saphenous Vein, and this report describes the ultrasonic evaluation of anatomic variations in over 1400 limbs. The thigh portion of the greater Saphenous Vein consisted of a single venous conduit in 67% of the limbs, a complete double system in 8%, a branching double system in 18% and a closed loop double system in 7%. In 92% of the cases, the Vein was in medial position, with the remaining 8% positioned laterally. In the calf, a single Vein was observed in 65% of the limbs with the remainder demonstrating a double venous system. The Vein was positioned anteriorly in 85% of the limbs. The remaining 15% were positioned posteriorly, with 7% of these being a single dominant Vein. Proper knowledge of Saphenous Vein anatomy is vital to the surgeon preparing to use this Vein as a bypass conduit and can aid in its preoperative assessment.
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The lesser Saphenous Vein: an underappreciated source of autogenous Vein.
Journal of vascular surgery, 1992Co-Authors: Benjamin B. Chang, Philip S.k. Paty, Dhiraj M. Shah, Robert P. LeatherAbstract:Abstract Use of the ipsilateral greater Saphenous Vein for arterial bypass procedures is frequently limited by previous stripping, bypass operations, or anatomic unsuitability. In such cases the contralateral greater Saphenous Vein or arm Veins are often used. However, over the past 5 years we have used the lesser Saphenous Vein as a preferred alternative autogenous Vein. Duplex scanning has been used in 311 cases for preoperative mapping and assessment with excellent correlation with actual anatomy found at operation. Harvest of the lesser Saphenous Vein has been facilitated by the use of a medial subfascial approach not requiring special positioning of the leg. A total of 91 lesser Saphenous Veins have been used for arterial bypass procedures; 66 of these were repeat cases. Vein use was 90.2%. In 40 of these cases the lesser Saphenous Vein was used as the entire conduit, including 10 in situ, 20 reversed Vein (including 18 for coronary artery bypass), and 10 orthograde Vein bypasses. In the remaining 33 cases the lesser Saphenous Vein was spliced to another Vein to complete a bypass procedure. In the entire group, patency was 77% at 2 years. These data suggest that the lesser Saphenous Vein should be a principal alternative to ipsilateral greater Saphenous Vein for arterial bypass because of its ready availability, high use rate, ease of harvesting and preparation, and ideal handling characteristics. (J Vasc Surg 1992;15:152–7.)
Alberto Caggiati - One of the best experts on this subject based on the ideXlab platform.
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Fascial relationships of the long Saphenous Vein.
Circulation, 1999Co-Authors: Alberto CaggiatiAbstract:The long Saphenous Vein runs constantly in a deep plane of the hypodermis, lying directly above the muscular fascia (Figure 1⇓). It is covered for its full length by a connective lamina that descends from the inguinal ligament to the ankle in the hypodermis of the medial thigh and leg. This lamina, which is formed by the interlacing of the hypodermal connective sheets, until now has been only partially described,1 and it is called the “Saphenous fascia” to distinguish it from similar structures present in other regions of the human body.2 After having arched over the long Saphenous Vein, this hypodermic fascia fuses with the muscular fascia, thus delimiting a flat, fatty, continuous space from the groin to the ankle (Figure 2A⇓). This space could be considered the “Saphenous compartment,”1 because it is clearly circumscribed and is occupied only by the Saphenous Vein and nerve (Figure …
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The Long Saphenous Vein Compartment
Phlebology, 1997Co-Authors: Alberto Caggiati, S RicciAbstract:Objective:To define the relationship between the long Saphenous Vein and the connective framework of the subcutaneous tissue (hypodermis) of the lower limb.Methods:The connective skeleton of the hypodermis was studied by anatomical dissection, stereomicroscopy of cross-sectioned specimens and ultrasound imaging in 88 lower extremities.Results:The long Saphenous Vein runs for most of its length in a narrow compartment delineated deeply by the muscular fascia and superficially by a connective tissue lamina descending from the inguinal ligament in the anteromedial part of the thigh and medial aspect of the calf. These two fascia fuse at the boundaries of the compartment. The long Saphenous Vein adventitia is anchored to both fasciase by thick connective tissue strands.Conclusion:The anatomical relationship between the long Saphenous Vein and the connective framework of the hypodermis suggests that: (1) only the Vein running within the deep compartment of the hypodermis should be considered as the ‘true’ long...
Keith B. Allen - One of the best experts on this subject based on the ideXlab platform.
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Facile location of the Saphenous Vein during endoscopic vessel harvesting
The Annals of thoracic surgery, 2000Co-Authors: Keith B. Allen, Carl J. ShaarAbstract:Endoscopic techniques are used more frequently to harvest the Saphenous Vein for cardiac and peripheral vascular procedures. To identify the Saphenous Vein through an initial small access incision can be difficult. We describe the use of a portable intraoperative ultrasound system to expeditiously identify the Saphenous Vein during endoscopic harvesting, particularly in obese patients.
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Endoscopic Saphenous Vein Harvesting
The Annals of thoracic surgery, 1997Co-Authors: Keith B. Allen, Carl J. ShaarAbstract:Although the use of arterial conduit has decreased the amount of Saphenous Vein required for routine coronary artery bypass grafting, the Saphenous Vein as a bypass conduit remains an essential component of most practices. We describe the technique of endoscopic Vein harvest that, in our initial experience with 30 patients, has improved patient satisfaction and decreased the complications associated with traditional harvest techniques.
Benjamin B. Chang - One of the best experts on this subject based on the ideXlab platform.
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Ultrasonic characterization of the Saphenous Vein.
Cardiovascular surgery (London England), 1993Co-Authors: Anna Marie Kupinski, Benjamin B. Chang, Robert P. Leather, S. M. Evans, A. M. Khan, T. J. Zorn, R. C. Darling, Dhiraj M. ShahAbstract:The most frequently used conduit for infrainguinal or coronary artery bypass is the Saphenous Vein, and this report describes the ultrasonic evaluation of anatomic variations in over 1400 limbs. The thigh portion of the greater Saphenous Vein consisted of a single venous conduit in 67% of the limbs, a complete double system in 8%, a branching double system in 18% and a closed loop double system in 7%. In 92% of the cases, the Vein was in medial position, with the remaining 8% positioned laterally. In the calf, a single Vein was observed in 65% of the limbs with the remainder demonstrating a double venous system. The Vein was positioned anteriorly in 85% of the limbs. The remaining 15% were positioned posteriorly, with 7% of these being a single dominant Vein. Proper knowledge of Saphenous Vein anatomy is vital to the surgeon preparing to use this Vein as a bypass conduit and can aid in its preoperative assessment.
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The lesser Saphenous Vein: an underappreciated source of autogenous Vein.
Journal of vascular surgery, 1992Co-Authors: Benjamin B. Chang, Philip S.k. Paty, Dhiraj M. Shah, Robert P. LeatherAbstract:Abstract Use of the ipsilateral greater Saphenous Vein for arterial bypass procedures is frequently limited by previous stripping, bypass operations, or anatomic unsuitability. In such cases the contralateral greater Saphenous Vein or arm Veins are often used. However, over the past 5 years we have used the lesser Saphenous Vein as a preferred alternative autogenous Vein. Duplex scanning has been used in 311 cases for preoperative mapping and assessment with excellent correlation with actual anatomy found at operation. Harvest of the lesser Saphenous Vein has been facilitated by the use of a medial subfascial approach not requiring special positioning of the leg. A total of 91 lesser Saphenous Veins have been used for arterial bypass procedures; 66 of these were repeat cases. Vein use was 90.2%. In 40 of these cases the lesser Saphenous Vein was used as the entire conduit, including 10 in situ, 20 reversed Vein (including 18 for coronary artery bypass), and 10 orthograde Vein bypasses. In the remaining 33 cases the lesser Saphenous Vein was spliced to another Vein to complete a bypass procedure. In the entire group, patency was 77% at 2 years. These data suggest that the lesser Saphenous Vein should be a principal alternative to ipsilateral greater Saphenous Vein for arterial bypass because of its ready availability, high use rate, ease of harvesting and preparation, and ideal handling characteristics. (J Vasc Surg 1992;15:152–7.)
