| 1. |
- Weber, U, et al.
(författare)
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[Rare pathological alterations of the upper cervical spine requiring surgical treatment]. : Seltene krankhafte Veränderungen der oberen Halswirbelsäule mit operativer Behandlungsindikation.
- 2006
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Ingår i: Der Orthopade. - : Springer Science and Business Media LLC. - 0085-4530 .- 1433-0431. ; 35:3, s. 296-305
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Tidskriftsartikel (refereegranskat)abstract
- Because of its unique anatomy, specific diseases and lesions arise in the upper cervical spine, which differ widely from the rest of the spine. During the last two decades standardised diagnostic and therapeutic algorithms have been defined for most of the craniocervical pathologies often occurring in combination with an underlying disease requiring surgical intervention as well. On the other hand there are some very rare phathological alterations: about 20% of the patients suffering from neurofibromatosis type I develop spinal deformities. These are mostly found in the thoracic and lumbar spine (dystrophic/non-dystrophic type). In rare cases the dystrophic neurofibromatosis type I involves the upper cervical spine leading to bizarre deformities endangering the spinal cord. An aggressive, timely and combined operative therapy is necessary. Patients with Down syndrome should be investigated regularly for affections of the upper cervical spine. Though only in about 1% of all patients with Down syndrome do instabilities require surgical intervention, the upper cervical spine should be screened on a regular basis, since neurological changes due to the pathognomy of the underlying disease often remain undetected for a long time. The operative therapy of the instable os odontoideum in Down syndrome follows the general principles of this pathoanatomical variation. Even though the Klippel-Feil syndrome is generally not linked with neuropathological findings, rare associated deformities of the upper cervical spine should be excluded by proper diagnostic procedures.
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| 2. |
- Kölbel, Tilo, et al.
(författare)
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Endovascular treatment of venous occlusive disease
- 2009
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Ingår i: Gefässchirurgie. - : Springer Science and Business Media LLC. - 1434-3932 .- 0948-7034. ; 14:4, s. 292-292
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Forskningsöversikt (refereegranskat)abstract
- In the past, open surgical techniques such as thrombectomy and bypasses were the treatments of choice for acute and chronic venous occlusive disease of the iliocaval vein segments, but the results were often disappointing. With the introduction of endovascular techniques in the 1990s, open techniques were widely replaced by endovascular interventions. Proper preoperative imaging with computed tomography and magnetic resonance phlebography has become an important part of procedure planning, but phlebography by direct puncture with contrast injection in the immediate proximity of the iliofemoral segment is still the most informative diagnostic method. Catheter-directed thrombolysis with recanalization and stenting of underlying chronic obstructions is becoming the treatment of choice for patients with acute iliofemoral thrombosis, as conservative treatment is not satisfactory for preventing postthrombotic syndrome. Recanalization of chronic iliac vein occlusions with balloon angioplasty and stenting can reestablish normal venous flow in the iliac veins and inferior vena cava and relieve symptoms in the majority of treated patients. New treatment modalities offer stimulating options for patients not treated adequately either by medical or open surgical therapy.
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| 3. |
- Bengmark, S., et al.
(författare)
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NEUESTER STAND DER LEBERCHIRURGIE
- 1982
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Ingår i: Zentralblatt fur Chirurgie. - 0044-409X. ; 107:12, s. 689-696
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Tidskriftsartikel (refereegranskat)
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| 4. |
- Brockstedt, Sara, et al.
(författare)
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SchnelleMagnetresonanz-Bildgebung
- 2002
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Ingår i: Radiologie Up2Date. - : Georg Thieme Verlag KG. - 1616-0681 .- 1617-8300. ; :4, s. 413-438
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Tidskriftsartikel (refereegranskat)abstract
- Abstract in German Die Verkürzung der Untersuchungszeiten bei der klinischen Magnetresonanztomographie (MRT) bietet für den Patienten den Vorteil einer angenehmeren und schnelleren Untersuchung und erhöht gleichzeitig den Patientendurchsatz. Dies erfordert schnelle und robuste Aufnahmetechniken, welche beispielsweise auch bei der Aufnahme bewegter Organe oder für atemangehaltene Messungen eingesetzt werden können. Durch die Entwicklung leistungsfähiger Gradientensysteme konnten in den letzten Jahren neue und schnelle Pulssequenzen entwickelt werden. Die rasante Entwicklung neuer Aufnahmemethoden und Rekonstruktionstechniken macht es für den Anwender immer wichtiger, die grundlegenden Prinzipien schneller Aufnahmetechniken zu verstehen. In diesem Übersichtsartikel wird versucht, die Grundlagen der schnellen Pulssequenzen und deren klinische Anwendungsbereiche darzustellen. Dies beinhaltet die schnelle Spin-Echo-Technik und deren Kombination mit selektiven Präparationstechniken, die schnelle und ultraschnelle Gradienten-Echo-Technik sowie die echoplanare Bildgebung. Abschließend werden kurz neueste Entwicklungen wie die parallele Bildgebung beschrieben.Zusammenfassung auf S. 434
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| 5. |
- Brolin, Inger, et al.
(författare)
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[Comparison between hysterosalpingographic findings and lesions observed by laparoscopy and laparotomy (author's transl)]. : Vergleich zwischen Hysterosalpingographie, Laparoskopie und Laparotomie.
- 1980
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Ingår i: RöFo : Fortschritte auf dem Gebiete der Röntgenstrahlen und der Nuklearmedizin. - : Georg Thieme Verlag KG. - 1438-9029 .- 1438-9010. ; 133:5, s. 510-3
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Tidskriftsartikel (refereegranskat)abstract
- Laparoscopy and/or laparotomy had been performed in 91 patients also examined by hysterosalpingography (HSG) during two years. The comparison of the radiological and the operative findings shows, that total occlusion and hydrosalpinx are radiological signs of adhesions in the pelvis. A depot of contrast medium remaining around the fimbriated end of the oviduct is also a sign of adhesions. More than half of the patients with adhesions surrounding the oviducts and/or endometriosis had however normal hysterosalpingograms. Thus, the radiological examination, hysterosalpingography, has a low sensitivity rate concerning pelvic abnormalities.
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| 6. |
- Ekberg, Olle, et al.
(författare)
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Das pharyngoosophageale Segment
- 1995
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Ingår i: Radiologe. - 0033-832X. ; 35:10, s. 689-692
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Tidskriftsartikel (refereegranskat)abstract
- The pharyngoesophageal segment (PES) is a striated muscular structure separating the relatively wide pharynx from the narrow cervical esophagus. There is a substantial axial and longitudinal asymmetry within the PES, as well as basal resting pressure that is substantially influenced by a variety of stimuli as well as deglutition.
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| 7. |
- Ekberg, Olle
(författare)
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Neue chirurgisch-pathologische Aspekte des Zenker-Divertikels. Diagnostische Bildgebung und Funktionsanalysen
- 1999
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Ingår i: Der Chirurg. - : Springer Science and Business Media LLC. - 0009-4722 .- 1433-0385. ; 70:7, s. 747-752
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Tidskriftsartikel (refereegranskat)abstract
- Radiology of the pharyngoesophageal segment in patients with dysphagia relies on evaluation of both morphology and function. Video- or cineradiographic techniques are necessary. Retention of contrast material above the cricopharyngeal muscle can be due to small pseudodiverticula or true diverticula. Both phenomena are due to dysfunction in the pharyngoesophageal segment. To develop into a true diverticulum it is probably necessary to have a congenital defect between the muscle layers in the pharyngoesophageal segment.
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| 8. |
- Maly, Pavel, et al.
(författare)
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Strahlendosis bei renaler Vergrosserungsangiographie im Vergleich mit konventioneller Angiographie
- 1978
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Ingår i: Radiologe. - 0033-832X. ; 18:5, s. 175-178
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Tidskriftsartikel (refereegranskat)abstract
- Measurements of skin dose, integrated skin dose area, and integral dose in combined conventional and magnification renal angiography using lanthanoxibromide screens MR 600 and carbon fibre plate in filmchangertop have been made. The mean skin dose in magnification technique was 0.56 rad./film with focus-skin distance of 35 cm, FFD 1 m, 85-90 kV and sagittal diameter of abdomen of 20 cm. The combination of angiographic technique with and without magnification and the use of a high-sensitivity receiving unit makes it possible to keep the total skin dose per investigation (8.5 rad.) within the limits accepted in conventional abdominal angiography.
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| 9. |
- Nyman, Ulf
(författare)
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Minimierung kontrastmittelinduzierter Nephropathien Strategien bei CTA, Katheterangiographie und Interventionen
- 2011
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Ingår i: Gefässchirurgie. - : Springer Science and Business Media LLC. - 1434-3932 .- 0948-7034. ; 16:7, s. 469-469
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Tidskriftsartikel (refereegranskat)abstract
- The aim of the present paper is to discuss strategies to minimize contrast medium (CM) doses in patients at risk of CM-induced nephropathy (CIN) after computed tomographic angiography (CTA), and percutaneous catheter angiography (PCA) and vascular interventions (PVI). In general a gram-iodine (g-I)/eGFR ratio >= 1.0 appears to be a significant and independent predictor of CIN in CTA and coronary interventions. In high CIN-risk patients (e.g., eGFR < 45 ml/min or multiple risk factors), it is recommended to keep the g-I/eGFR ratio < 0.5. In azotemic patients, 80 kVp CTA may be accomplished with 100-150 mg I/kg while x-ray tube loading must be increased to maintain the contrast-to-noise ratio at an acceptable level. Peripheral PCA/PVI based on digital subtraction technique may be performed with 75-150 mg I/ml, or even lower if the equipment permits manual setting of the x-ray tube potential. Coronary arteriography/interventions may be achieved with 140-150 mg I/ml, i.e., less than half the routinely used concentrations (similar to 320-370 mg I/ml), especially in thinner patients with increased iodine attenuation due to automatic down regulation of the x-ray tube potential. The English full-text version of this article is available at SpringerLink (under "Supplemental").
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| 10. |
- Olsson, R, et al.
(författare)
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Simultane Videoradiographie und "solid state" intraluminale pharyngeale Manometrie wahrend des Bariumschluckakts; Videomanometrie
- 1995
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Ingår i: Radiologe. - 0033-832X. ; 35:10, s. 753-758
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Tidskriftsartikel (refereegranskat)abstract
- Recent advances in technology, including computerized analysis, have renewed interest in pharyngeal manometry. Simultaneous fluoroscopy and videography have been recommended by many authors. This article reviews the history of pharyngeal manometry and highlights some of the technical difficulties involved. We also report the current status of the simultaneous technique and summarize our own results as well as those reported by other research groups.
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