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  • 1
    Electronic Resource
    Electronic Resource
    Anatomic basis for the treatment of aneurysms of the upper cervical segment of the internal carotid artery by extra- intracranial cervico-petrous bypass with inverted “in situ” saphenous vein graft (1998)
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 1-6 
    Details
    ISSN: 1279-8517
    Keywords: Internal carotid artery ; Vein graft ; Extracranial bypass ; Telescoping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Dans le traitement chirurgical des anévrismes de la partie cervicale haute de l'a. carotide interne, un trapping du segment vasculaire pathologique associé à un pontage extra-anatomique cervico-pétreux utilisant un greffon veineux (grande v. saphène) peut être proposé. Un des problèmes spécifiques de ces pontages extra-anatomiques est lié au positionnement sous-cutané du greffon veineux exposant aux risques de coudure, torsion ou compression extrinsèque du greffon pouvant conduire à une thrombose veineuse précoce. Nous proposons une alternative technique utilisant le principe du télescopage et consistant à positionner le greffon veineux dans l'a. carotide interne cervicale (pontage “in situ”). La partie cervicale de l'a. carotide interne peut être proposée comme tunnel au greffon veineux compte-tenu de l'absence de branches collatérales artérielles. Les modalités techniques de ce pontage cervico-pétreux “in situ” sont précisées à partir d'une étude anatomo-chirurgicale chez le cadavre : exposition de la partie pétreuse de l'a. carotide interne dans sa portion horizontale par voie sous-temporale, exposition de la partie cervicale de l'a. carotide interne par cervicotomie, artériotomie transversale de l'artère carotide interne aux niveaux cervical et pétreux, angioplastie par ballonnet de Fogarty, télescopage intra-carotidien d'un greffon veineux saphène de la région cervicale à la région pétreuse, anastomose termino-terminale distale entre le greffon veineux et la partie pétreuse de l'a. carotide interne, anastomose terminoterminale proximale entre le greffon veineux et la partie cervicale de l'a. carotide interne.
    Notes: Summary In the surgical treatment of aneurysms of the upper cervical portion of the internal carotid a., exclusion of the affected vascular segment combined with an extra-anatomic cervico-petrous bypass using a vein graft (great saphenous v.) may be considered. One of the problems specific to these extra-anatomic bypasses is asociated with the sub-cutaneous positioning of the vein graft, exposing it to risks of angulation, torsion or extrinsic compression that may lead to early venous thrombosis. We suggest an alternative technique using the principle of telescoping and consisting of positioning the vein graft within the cervical portion of the artery (“in situ” bypass). The cervical portion of the ICA may be used as a tunnel for the vein graft since there are no collateral arterial branches at this level. The technical features of such a bypass are defined by means of an anatomo-surgical study in the cadaver: exposure of the petrous portion of the internal carotid a. in its horizontal segment by subtemporal access, exposure of the ICA in the neck, transverse arteriotomies of the ICA, angioplasty with a Fogarty balloon, intracarotid telescoping of a saphenous vein graft from the cervical to the petrous region, distal end-to-end anastomosis between the vein graft and the petrous portion of the ICA, and proximal end-to-end anastomosis between the vein graft and the cervical portion of the ICA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01628107
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Carpal bone maturation during childhood and adolescence: Assessment by quantitative computed tomography (1998)
    Springer
    Surgical and radiologic anatomy 19 (1998), S. 395-398 
    Details
    ISSN: 1279-8517
    Keywords: Bone maturation ; Carpal bone ; Volume ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of our study was to measure the volume of each carpal bone during childhood and adolescence by image processing from computed tomography (CT) scans, and to analyze the relationship between the eight carpal bones. Thirteen CT scans were performed in nine normal prepubertal, peripubertal and post-pubertal children, six boys and three girls, aged 5-14 years. Each scan was processed in order to extract the carpal bones. The volume was computed for each bone. There was a significant correlation between carpal bone volume and age (0.55 〈 r 〈 0.79), and a very strong correlation between the volume of a given carpal bone and the volume of all the others, whatever the age (0.87 〈 r 〈 0.99, p 〈 0.01). Image processing is a potentially useful method for assessing bone maturation. The constant ratio between carpal bone volumes indicates that these bones interact with each other in wrist bone maturation
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s00276-997-0395-x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Carpal bone maturation during childhood and adolescence: Assessment by quantitative computed tomography (1997)
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 395-398 
    Details
    ISSN: 1279-8517
    Keywords: Bone maturation ; Carpal bone ; Volume ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le but de notre étude était de mesurer le volume de chaque os du carpe au cours de l'enfance et de l'adolescence par analyse des images d'examens tomodensitométriques (TDM) du poignet, et d'analyser les relations entre les huit os du carpe. Treize TDM ont été réalisés chez 9 enfants en période prépubertaire, pubertaire et postpubertaire, 6 garçons et 3 filles, âgés de 5 à 14 ans. Les os du carpe ont été isolés les uns des autres sur chaque examen TDM et leurs volumes ont été calculés. Nous avons retrouvé une relation significative entre le volume des os du carpe et l'âge (0,55〈r〈0,79), et une relation très significative entre le volume d'un os du carpe et le volume des autres os du carpe, quel que soit l'âge (0,87〈r〈0,99, p〈0,01). L'analyse d'image est une méthode intéressante pour évaluer la maturation osseuse. Le rapport constant entre le volume des os du carpe, quel que soit l'âge, semble indiquer que les os du carpe interagissent entre eux durant la maturation osseuse du poignet.
    Notes: Summary The aim of our study was to measure the volume of each carpal bone during childhood and adolescence by image processing from computed tomography (CT) scans, and to analyze the relationship between the eight carpal bones. Thirteen CT scans were performed in nine normal prepubertal, peripubertal and post-pubertal children, six boys and three girls, aged 5–14 years. Each scan was processed in order to extract the carpal bones. The volume was computed for each bone. There was a significant correlation between carpal bone volume and age (0.55〈r〈0.79), and a very strong correlation between the volume of a given carpal bone and the volume of all the others, whatever the age (0.87〈r〈0.99, p〈0.01). Image processing is a potentially useful method for assessing bone maturation. The constant ratio between carpal bone volumes indicates that these bones interact with each other in wrist bone maturation
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01628507
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Pontage extra-intracrânien cervico-pétreux par greffon veineux saphène inversé “in situ” dans le traitement des anévrismes de la partie cervicale haute de l'artère carotide interne (bases anatomiques, applications chirurgicales) (1998)
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 1-3 
    Details
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusion Dans le traitement des anévrismes situés au niveau de la partie cervicale haute de l'ACI, la technique de pontage cervico-pétreux par greffon veineux “in situ” (télescopage du greffon veineux dans l'ACI) peut être une alternative aux pontages cervico-pétreux extra-anatomiques (avec passage sous-cutané du greffon veineux), en ayant les avantages d'un pontage anatomique sans nécessité d'une résection extensive de la base du crâne pour positionner en continuité le greffon veineux. Si la technique des pontages extra-intracrâniens prophylactiques implantés sur le territoire de l'a. cérébrale moyenne est actuellement bien codifiée, la réalisation des pontages veineux extra-intracrâniens caroti-do-carotidiens posent de nombreuses difficultés techniques qui n'ont pas toutes été résolues. En particulier, le taux de perméabilité des greffons veineux diminue de façon significative après 10 ans et ce en rapport avec le développement d'une hyperplasie intimale par surcharge hémodynamique [11]. Un des intérêts potentiels du pontage “in situ” serait de protéger le greffon veineux, la contrainte hémodynamique étant prise en charge par la paroi artérielle receveuse.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01642242
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  • 5
    Electronic Resource
    Electronic Resource
    The relationships of the bile duct and the retroduodenal arteries and their importance in the surgical treatment of hemorrhagic duodenal ulcer (1997)
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 227-230 
    Details
    ISSN: 1279-8517
    Keywords: Gastroduodenal artery ; Pancreaticoduodenal arteries, superior and posterior ; Bile duct ; Hemorrhagic ulcer ; Duodenum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs ont analysé les rapports anatomiques de l'artère gastroduodénale (AGD) et de l'artère pancréatico-duodénale postérieure et supérieure (APDPS) avec le conduit cholédoque dans leur trajet rétroduodénal à partir de 35 blocs duodéno-pancréatiques sains et injectés après prélèvement. Les distances entre l'AGD, le pylore et le conduit cholédoque ont été mesurées dans le plan frontal. Les distances entre l'AGD et le conduit cholédoque ont également été mesurées dans le plan sagittal. L'origine et le trajet de l'APDPS par rapport au conduit cholédoque ont été étudiés. Les rapports de l'AGD et du conduit cholédoque ont été classés en 4 types : Type 1 (n=22) ces deux éléments s'éloignaient progressivement, l'artère se situant à gauche du conduit cholédoque; Type 2: (n=7) ils se rapprochaient sans se croiser; Type 3 : (n=5) l'AGD croisait le conduit cholédoque par en avant à la face dorsale de la partie supérieure du duodénum (D1) ; Type 4 : (n=1) l'AGD croisait le conduit cholédoque au dessus de D1 et cheminait le long de son bord droit. L'APDPS naissait à la face dorsale de D1 dans 20 % des cas (n=7) et croisait la face ventrale du conduit cholédoque à la face dorsale de D1. Dans 4 cas il n'existait pas d'interposition de tissu pancréatique entre l'APDPS et le conduit cholédoque. Il en résulte que le risque de plaie cholédocienne lors de l'hémostase d'un ulcère hémorragique de D1 par des points transfixiants est important lors d'un croisement des éléments artériels (AGD ou APDPS) et du conduit cholédoque. Ce risque est majoré en l'absence d'interposition de tissu pancréatique.
    Notes: Summary The anatomic relationships of the gastroduodenal artery (GDA) and the posterior superior pancreaticoduodenal artery (PSPD) with the bile duct in their retroduodenal courses were studied in 35 bloc specimens from normal cadavers, injected after removal. The distances between the GDA, the pylorus, and the bile duct were measured in the sagittal plane. The origin and course of the PSPD in relation to the bile duct were studied. The relation of the GDA and the bile duct were divisable into four types: in Type 1 (n=22) the two structures separated progressively, the artery being on the left of the bile ducts; in Type 2: (n=7) the structures approached each other without crossing, Type 3: (n=5) the GDA crossed in front of the bile duct at the level of the first part of the duodenum (D1), Type 4: (n=1) the GDA crossed the bile duct below D1 and ran along its right border. The PSPD originated at the posterior face of D1 in 20% of cases (n=7) and crossed the anterior surface of the bile duct at the posterior surface of D1. In four cases there was no pancreatic tissue between the PSPD and the bile ducs. It follows that the risk of injury to the bile duct when securing hemostasis by transfixing a bleeding duodenal ulcer in the D1 segment is great when the arterial structures (GDA and PSPD) cross the bile duct. This risk is increased when there is no pancreatic tissue between them.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01627862
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Anatomic basis for the treatment of aneurysms of the upper cervical segment of the internal carotid artery by extra- intracranial cervico-petrous bypass with inverted “in situ” saphenous vein graft (1998)
    Springer
    Surgical and radiologic anatomy 20 (1998), S. 1-6 
    Details
    ISSN: 1279-8517
    Keywords: Internal carotid artery ; Vein graft ; Extracranial bypass ; Telescoping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In the surgical treatment of aneurysms of the upper cervical portion of the internal carotid a., exclusion of the affected vascular segment combined with an extra-anatomic cervico-petrous bypass using a vein graft (great saphenous v.) may be considered. One of the problems specific to these extra-anatomic bypasses is asociated with the sub-cutaneous positioning of the vein graft, exposing it to risks of angulation, torsion or extrinsic compression that may lead to early venous thrombosis. We suggest an alternative technique using the principle of telescoping and consisting of positioning the vein graft within the cervical portion of the artery (“in situ” bypass). The cervical portion of the ICA may be used as a tunnel for the vein graft since there are no collateral arterial branches at this level. The technical features of such a bypass are defined by means of an anatomo-surgical study in the cadaver: exposure of the petrous portion of the internal carotid a. in its horizontal segment by subtemporal access, exposure of the ICA in the neck, transverse arteriotomies of the ICA, angioplasty with a Fogarty balloon, intracarotid telescoping of a saphenous vein graft from the cervical to the petrous region, distal end-to-end anastomosis between the vein graft and the petrous portion of the ICA, and proximal end-to-end anastomosis between the vein graft and the cervical portion of the ICA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s00276-998-0001-x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    The relationships of the bile duct and the retroduodenal arteries and their importance in the surgical treatment of hemorrhagic duodenal ulcer (1997)
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 227-230 
    Details
    ISSN: 1279-8517
    Keywords: Gastroduodenal artery ; Pancreaticoduodenal arteries, superior and posterior ; Bile duct ; Hemorrhagic ulcer ; Duodenum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The anatomic relationships of the gastroduodenal artery (GDA) and the posterior superior pancreaticoduodenal artery (PSPD) with the bile duct in their retroduodenal courses were studied in 35 bloc specimens from normal cadavers, injected after removal. The distances between the GDA, the pylorus, and the bile duct were measured in the sagittal plane. The origin and course of the PSPD in relation to the bile duct were studied. The relation of the GDA and the bile duct were divisable into four types: in Type 1 (n=22) the two structures separated progressively, the artery being on the left of the bile ducts; in Type 2: (n=7) the structures approached each other without crossing, Type 3: (n=5) the GDA crossed in front of the bile duct at the level of the first part of the duodenum (D1), Type 4: (n=1) the GDA crossed the bile duct below D1 and ran along its right border. The PSPD originated at the posterior face of D1 in 20% of cases (n=7) and crossed the anterior surface of the bile duct at the posterior surface of D1. In four cases there was no pancreatic tissue between the PSPD and the bile ducs. It follows that the risk of injury to the bile duct when securing hemostasis by transfixing a bleeding duodenal ulcer in the D1 segment is great when the arterial structures (GDA and PSPD) cross the bile duct. This risk is increased when there is no pancreatic tissue between them.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s00276-997-0227-z
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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