Relevant bibliographies by topics / Venous arterial pedicle

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Academic literature on the topic 'Venous arterial pedicle'

Author: Grafiati
Published: 4 June 2025
Last updated: 23 June 2025

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Journal articles on the topic "Venous arterial pedicle"

1

Fowler, J. D., and N. M. M. Moens. "The Microvascular Carpal Foot Pad Flap: Vascular Anatomy and Surgical Technique." Veterinary and Comparative Orthopaedics and Traumatology 10, no. 04 (1997): 183–86. http://dx.doi.org/10.1055/s-0038-1632592.

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SummaryThe objectives of the study are to describe the vascular anatomy of the carpal foot pad and to describe the surgical technique for its dissection as a free microvascular flap.Sixteen front legs from ten different dogs weighing from 20 to 30 kg were used for the study. All of the dogs were euthanatized for reason unrelated to the study. Dissection of the carpal foot pad with its dominant arterial and venous pedicle was performed and angiographic studies were performed by injection of barium sulphate and “high detailed” radiography.The vascular anatomy of the carpal foot pad was consistent in all of the dogs. The arterial pedicle arises from the caudal interosseous artery and venous drainage is provided by the cephalic vein. A branch of the ulnar nerve parallels the arterial blood supply and may be included in flap dissection. Surgical dissection of the carpal foot pad flap is relatively straight forward. The length and diameter of the arterial and venous pedicle are appropriate for microvascular anastomosis.The carpal foot pad in the dog represents a viable option for microvascular transfer and reconstruction of weight bearing surfaces.Cadaveric dissection was used to study the vascular anatomy of the carpal foot pad in dogs and to assess its potential use as a free microvascular flap.
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Shteynberg, Aleksandr, Eric Silver, and Nissim Hazkour. "Partial Reconstruction of the Auricle With the Tubed Postauricular Flap: A Case Report and Proposed Innovation for Flap Conditioning." Journal of Craniofacial Surgery 35, no. 2 (2024): e129-e131. http://dx.doi.org/10.1097/scs.0000000000009838.

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The authors present a case of a partial auricular deformity acquired from a human bite that was reconstructed using a 3-stage posterior auricular tubed flap. Helical rim avulsions may be ideally reconstructed with a tubed flap created from lax postauricular soft tissue. During the third stage, division and inset of the inferior pedicle of the flap were complicated by venous congestion. The use of leech therapy and topical nitroglycerin successfully improved flap circulation. Given the occurrence of venous congestion due to a sudden change in flap blood circulation, the authors propose a pedicle compression device to be used in the future that assists with flap conditioning. This physiological delay helps minimize flap ischemia by allowing choke vessels to dilate within, thus increasing flap reliability. Therefore, when the pedicle is divided, improved circulation from the previously inset superior pedicle has been established with a decreased risk of venous congestion and arterial insufficiency.
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3

MATEV, IVAN. "The Osteocutaneous Pedicle Forearm Flap." Journal of Hand Surgery 10, no. 2 (1985): 179–82. http://dx.doi.org/10.1016/0266-7681_85_90010-5.

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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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Stein, Michael, and Moein Momtazi. "Bladder Outlet Obstruction as a Cause for Late Total Flap Failure in Pelvic Reconstruction with a VRAM." Journal of Reconstructive Microsurgery Open 03, no. 02 (2018): e55-e57. http://dx.doi.org/10.1055/s-0038-1669453.

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Background A 67-year-old man presented with abrupt failure of a pedicled vertical rectus abdominus myocutaneous (VRAM) flap 13 days postoperatively. Methods The patient underwent pelvic reconstruction with a pedicled VRAM flap following sacral chordoma and abdominoperineal resection. The flap remained well perfused and viable until postoperative day 13, at which point the patient was noted to become systemically unwell with fever, chills, and abdominal pain. This clinically coincided with prompt arterial and venous insufficiency of the VRAM flap. Results Computed tomography of the abdomen was ordered to rule out a pelvic collection and revealed an inflated Foley catheter in the bulbar urethra. This was associated with marked distention of the bladder and bilateral hydronephrosis. Direct compression of the deep inferior epigastric pedicle by the bladder neck was noted. Conclusion The case highlights the importance of considering bladder outlet obstruction and subsequent distention as a cause of pedicle compression and VRAM flap failure following pelvic reconstruction.
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Toia, Francesca, Giovanni Zabbia, Tiziana Roggio, Roberto Pirrello, Adriana Cordova, and Salvatore D'Arpa. "Vascular Grafts and Flow-through Flaps for Microsurgical Lower Extremity Reconstruction." Journal of Reconstructive Microsurgery 33, S 01 (2017): S14—S19. http://dx.doi.org/10.1055/s-0037-1606560.

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Background The use of vascular grafts is indicated in case of insufficient pedicle length or for complex defects involving both soft tissues and vessels. Venous grafts (for both venous and arterial reconstructions) and arterial grafts (arterial reconstruction) can be used. This study retrospectively evaluated the needs for vascular reconstruction and its results in a clinical series of lower limb reconstructions with microsurgical free flaps. Materials and Methods From 2010 to 2015, a total of 16 vascular grafts or flow-through flaps were used in 12 patients out of a total of 150 patients undergoing microsurgical reconstruction (8%). Arterial reconstruction was performed in seven cases (six flow-through flaps, one arterial graft), combined arterial and venous reconstruction in four cases (three vein grafts, one combined venous/arterial graft), and venous reconstruction in one case (one venous graft). The rate of complications and donor-site morbidity related to vascular graft harvest were evaluated. Results Reconstruction was successful in all cases, despite an overall complication rate of 17 and 8% of surgical revision. Donor-site morbidity, subjectively evaluated, was minimal with respect to functional deficits and aesthetic outcome. Indications for the different types of grafts are discussed. Conclusion The use of vascular grafts is needed in a relevant percentage of microsurgical reconstruction cases. Venous and arterial vascular grafts, transient arteriovenous fistulas, and “flow-through” microsurgical flaps showed a safe reconstruction comparable to microsurgical reconstructions without the use of grafts. Donor-site morbidity secondary to vascular graft harvest is minimal, and in almost 70% of cases no additional scars are needed.
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6

Dzodic, Radan, and Nada Santrac. "In situ preservation of parathyroid glands:advanced surgical tips for prevention of permanent hypoparathyroidism in thyroid surgery." J BUON 22, no. 4 (2017): 853–55. https://doi.org/10.5281/zenodo.4529172.

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Hypoparathyroidism (HPT) is one of the most frequentand severe complications of thyroid surgery. It is caused by intraoperative damage, devascularization or accidental removal of the parathyroid glands (PTGs). The incidence of postoperative HPT is directly proportional to surgery extent and surgeon's experience. After 40 years of experience in thyroid surgery, the first author summarizes the already known surgical steps in thyroid surgery and adds some useful practical tips for in situ preservation of PTGs. Our surgical technique focuses on meticulous capsular dissection and preservation of the middle thyroid, Kocher's vein trunk, as well as vein branches that accompany the posterior branch of the superior thyroid artery and inferior thyroid artery trunk. Ligation of all blood vessels should be as close as possible to the thyroid capsule. Identified PTGs should be de-attached from the thyroid capsule on the vascular pedicle without significant dislocation. PTGs preservation during central neck dissection (CND) can be facilitated by using methylene blue dye for sentinel lymph nodes biopsy. PTGs are not colored in blue, unlike central lymph nodes, which facilitates central neck dissection and reduces the possibility of accidental removal of PTGs. After several thousands of preserved PTGs using this original technique, a total prevalence of permanent HPT in the first author's series is less than 0.5%. Following given key points and recommendations to surgical in situ preservation of PTGs, a surgeon can provide good outcome for patients after total thyroidectomy (with or without central neck dissection), regarding HPT as one of the most severe complications of thyroid surgery.
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7

Chuong, Brian, Kristopher Katira, Taylor Ramsay, John LoGiudice, and Antony Martin. "Reliability of Long Vein Grafts for Reconstruction of Massive Wounds." Journal of Clinical Medicine 12, no. 19 (2023): 6209. http://dx.doi.org/10.3390/jcm12196209.

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When handling large wounds, zone of injury is a key concept in reconstructive microsurgery, as it pertains to the selection of recipient vessels. Historically, surgeons have avoided placing microvascular anastomosis within widely traumatized, inflamed, or radiated fields. The harvest of vein grafts facilitates reconstruction in complex cases by extending arterial and/or venous pedicle length. To illustrate the utility and fidelity of these techniques, this paper reviews the indications and outcomes for vein grafting in ten consecutive patients at a single tertiary referral center hospital. The case series presented is unique in three aspects. First, there are two cases of successful coaptation of the flap artery to the side of the arterial limb of an arteriovenous loop. Second, there is a large proportion of cases where vein grafts were used to elongate the venous pedicle. In these 10 cases, the mean vein graft length was 37 cm. We observed zero flap failures and zero amputations. Although limited in sample size, these case data support the efficacy and reliability of long segment vein grafting in complex cases in referral centers.
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8

Libondi, Klaudia, Guido Libondi, Michał Nessler, Maciej Stala, Jarosław Śmieszek, and Anna Chrapusta. "Two-point flap blood glucose measurement for monitoring propeller flap perfusion – a case report." Chirurgia Plastyczna i Oparzenia / Plastic Surgery & Burns 9, no. 2 (2021): 49–52. http://dx.doi.org/10.15374/chpio2021007.

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Monitoring flap perfusion is a helpful method of postoperative care allowing for proper early intervention in and salvage of a flap. The basic means of blood supply monitoring include the assessment of color, warmth, skin tension, and a pin-prick examination. Along with advances in microvascular surgery, methods of flap blood circulation assessment have been also developed. This paper presents the case of a peroneal artery propeller perforator flap for the treatment of a secondary wound resulting from an orthopedic complication of ankle arthrodesis. Blood glucose level (BGL) was used to monitor flap perfusion as an early indicator of possible venous congestion. It is well known that in case of vascular compromise, whether arterial or venous, the flap salvage rate depends on how fast the vascular problem is resolved. Arterial insufficiency is easily detectable, and the arterial flow may be also monitored with minidoppler, however venous insufficiency causes symptoms less dynamically. This fact emphasized the importance of early prediction of venous insufficiency before clinical symptoms appear. It is crucial that the time between pedicle impairment and clinical signs is as short as possible.
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9

Adrianto, Albertus Ari, Kevin Christian Tjandra, Dwi Adiningsih, Jessica Winoto, and Lydia Kuntjoro. "Case Report: Severe intermittent acute abdominal pain caused by extremely rare case of lienorenal accessory spleen torsion and detorsion: an accurate diagnostic and treatment strategy." F1000Research 12 (November 21, 2023): 1489. http://dx.doi.org/10.12688/f1000research.140837.1.

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Background: Accessory spleen (AS) is a rare condition that usually does not cause any symptoms. However recurrent torsion and detorsion of AS commonly happen in the case of AS with long pedicles. Thus diagnostic and treatment procedure is needed to prevent further complication in this case. Case presentation: An extreme case of an Austronesian 22-year-old college student who presented clinical symptoms of crampy abdominal pain in the left upper quadrant (LUQ) three days before being administered in a hospital. The pain was periodically worsened and relieved for the past year due to recurrent torsion and detorsion of the accessory spleen. Radiologic findings were accessory spleen located in the lienorenalis region with the size of 1.6 x 1.8 x 1.4 cm and the vascular accessory spleen extends from the splenic pedicle to the left splenorenal region. The intraoperative finding was a blackish-brown mass with spongy consistency with 0.5 cm of the pedicle. Conclusion: A combination of USG and CT scan with arterial and venous phase is preferred to diagnose the accessory spleen early. While the findings of the accessory spleen with long pedicle are highly suggested to be treated using modified anti-Trendelenburg 3-port laparoscopic excision of the accessory spleen (LEAS).
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10

MacQuillan, Anthony, Nigel Horlock, Adriaan Grobbelaar, and Douglas Harrison. "Arterial and Venous Anatomical Features of the Pectoralis Minor Muscle Flap Pedicle." Plastic and Reconstructive Surgery 113, no. 3 (2004): 872–76. http://dx.doi.org/10.1097/01.prs.0000105690.74659.95.

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Book chapters on the topic "Venous arterial pedicle"

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Gimson, Alexander, and Simon M. Rushbrook. "Structure and function of the liver, biliary tract, and pancreas." In Oxford Textbook of Medicine. Oxford University Press, 2010. http://dx.doi.org/10.1093/med/9780199204854.003.1519.

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The liver, sited in the right upper quadrant of the abdomen, comprises eight segments, each of which is a complete functional unit with a single portal pedicle and a hepatic vein. Within the functional segments, the structural unit is the hepatic lobule, a polyhedron surrounded by four to six portal tracts containing hepatic arterial and portal venous branches from which blood perfuses through sinusoids, surrounded by walls of hepatocytes that are a single cell thick and lined by specialized endothelial cells with ‘windows’ (fenestrae), to the centrilobular region and the central hepatic veins. Bile secreted through the canalicular membrane of the hepatocyte collects in biliary canaliculi, from which it passes through the biliary tract into the gut....
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Gelson, William, and Alexander Gimson. "Structure and function of the liver, biliary tract, and pancreas." In Oxford Textbook of Medicine, edited by Jack Satsangi. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198746690.003.0315.

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The liver, sited in the right upper quadrant of the abdomen, comprises eight segments, each of which is a complete functional unit with a single portal pedicle and a hepatic vein. Within the functional segments, the structural unit is the hepatic lobule, a polyhedron surrounded by four to six portal tracts containing hepatic arterial and portal venous branches from which blood perfuses through sinusoids, surrounded by walls of hepatocytes that are a single cell thick and lined by specialized endothelial cells with ‘windows’ (fenestrae), to the centrilobular region and the central hepatic veins. Bile secreted through the canalicular membrane of the hepatocyte collects in biliary canaliculi, from which it passes through the biliary tract into the gut. The liver secretes bile, which aids digestion by emulsifying lipids, and has a central role in metabolism of (1) bilirubin, from haem; (2) bile salts, the principal mechanism for clearance of cholesterol; (3) carbohydrates; (4) amino acids and ammonia; (5) proteins, most circulating plasma proteins being produced by hepatocytes; and (6) lipid and lipoproteins. The pancreas lies in the retroperitoneum and is composed of (1) an exocrine portion centred on acini, producing an alkaline secretion containing digestive enzymes including serine proteases, exopeptidases, and lipolytic enzymes, draining through a ductal system into the duodenum; and (2) the islets of Langerhans, which secrete insulin (also glucagon, somatostatin, and pancreatic polypeptide).
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