Interventional radiology
Dotaz
Zobrazit nápovědu
- MeSH
- distanční studium metody MeSH
- intervenční radiologie ekonomika výchova MeSH
- lidé MeSH
- mezinárodní spolupráce MeSH
- telekomunikace * ekonomika MeSH
- teleradiologie metody MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- úvodníky MeSH
- Geografické názvy
- Česká republika MeSH
- Spojené království MeSH
- Spojené státy americké MeSH
Radiological methods and procedures have become not only an inseparable part of the diagnosis of primary and secondary liver tumors, but also therapy and disease management of patients with colorectal cancer. The most common primary liver cancer, hepatocellular carcinoma, can be treated with curative intent by surgical approach as well as navigational radiological interventions. Palliative methods include transarterial chemoembolization, which is suitable for more than half of patients during treatment. extends treatment options even in patients with metastatic colorectal cancer who fail at standard therapies. In addition to thermal ablation in oligometastatic disease, intravascular procedures (chemoembolization and regional chemotherapy, preoperative portal vein embolization) can be used. By modern intervention approaches in patients with malignant biliary tract stenosis, we are able to refine and accelerate the diagnosis, to improve quality of life and to extend patients' survival.
- Klíčová slova
- liver tumors, thermal ablation chemoembolization.,
- MeSH
- chemoembolizace * MeSH
- hepatocelulární karcinom * terapie MeSH
- intervenční radiologie * MeSH
- kvalita života MeSH
- lidé MeSH
- nádory jater * terapie MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
As workers in interventional radiology belong to one of the most occupationally exposed groups, methods for sufficiently accurate quantification of their external exposure are sought. The objective of the authors' experiment was to investigate the relations between eye lens dose and Hp(10), Hp(3) or Hp(0.07) values measured with a conventional whole-body personal thermoluminescence dosemeter (TLD). Conditions of occupational exposure during common interventional procedures were simulated in laboratory. An anthropomorphic phantom represented a physician. The TLDs were fixed to the phantom in different locations that are common for purposes of personal dosimetry. In order to monitor the dose at the eye lens level during the exposures, a special thermoluminescence eye dosemeter was fixed to the phantom's temple. Correlations between doses measured with the whole-body and the eye dosemeters were found. There are indications that personnel in interventional radiology do not need to be unconditionally equipped with additional eye dosemeters, especially if an appropriate whole-body dosimetry system has been already put into practice.
- MeSH
- celotělové počítání MeSH
- dávka záření * MeSH
- fantomy radiodiagnostické MeSH
- intervenční radiologie metody MeSH
- kalibrace MeSH
- lidé MeSH
- monitorování radiace metody MeSH
- ochranné prostředky očí MeSH
- oční čočka účinky záření MeSH
- operační sály MeSH
- počítačová simulace MeSH
- pracovní expozice analýza prevence a kontrola MeSH
- radiační ochrana metody MeSH
- termoluminiscenční dozimetrie přístrojové vybavení metody MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
The aim of this contribution is to provide an overview of comparison of two types of eye lens dosemeter systems. The comparison was performed at the Department of Intravenous Cardiology using patient and physician phantoms and supplemented by dose simulation using the Monte Carlo method. The tests were performed in several specific geometries and in addition to eye lens dosemeters the value of a personal dosemeter located at the reference point was also monitored. The value of Hp(3) and Hp(10) was monitored. It is clear from the results that film dosemeters achieve more correct results in most cases. It is probably due to a better correction for the angle of exposure. This assumption must be verified by more detailed measurements in laboratory conditions.
- MeSH
- dávka záření MeSH
- intervenční radiologie metody MeSH
- kardiologie * metody MeSH
- lidé MeSH
- oční čočka * MeSH
- pracovní expozice * analýza MeSH
- radiační ochrana * metody MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
PURPOSE: To evaluate the effectiveness and cost of commercially available video conferencing units and standard Integrated Services Digital Network (ISDN) connections for real-time multi-site transmissions of interventional procedures. METHODS: A network of five separate interventional radiology departments-three in the Czech Republic and one each in Austria and the USA-was established using Polyspan (Polycom in the USA) View Stations and ISDN connections. This network was used for transmissions of 16 live interventional procedures to the Sixth International Workshop on Interventional Radiology in Prague, Czech Republic in June 2000. RESULTS: The transmissions were successful and of sufficient quality to contribute to the educational success of the workshop. The cost of the ISDN transmissions was a fraction of satellite transmission costs. CONCLUSION: Multi-site real-time interventional procedure transmissions using video conferencing Polyspan (Polycom) View Stations and ISDN connections are a promising means of improving interventional tele-education and decreasing its cost.
- MeSH
- intervenční radiologie ekonomika výchova MeSH
- mezinárodní spolupráce MeSH
- telekomunikace ekonomika přístrojové vybavení MeSH
- teleradiologie ekonomika metody MeSH
- Publikační typ
- časopisecké články MeSH
- hodnotící studie MeSH
- Geografické názvy
- Česká republika MeSH
- Rakousko MeSH
- Spojené státy americké MeSH
- MeSH
- angiografie * přístrojové vybavení metody MeSH
- balónková angioplastika * přístrojové vybavení metody MeSH
- katetrizace přístrojové vybavení metody MeSH
- lidé MeSH
- neuroradiografie metody MeSH
- srdeční katetrizace metody MeSH
- terapeutická embolizace MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
PURPOSE: To assess the efficacy of percutaneous techniques in managing paediatric liver transplantation complications. MATERIAL AND METHODS: We carried out 105 paediatric cadaveric donor liver transplantations at our centre from 2001 to 2018. Percutaneous techniques were used to treat 25 cases involving transplantation complications in 23 patients. Biliary complications were treated in 14 cases (13.3%): 10 patients had bile duct obstruction, and 4 had biliary leaks. Vascular complications were treated in 11 cases (10.5%): 5 hepatic artery (HA) stenoses/occlusions, 2 inferior vena cava (IVC) stenoses, and 1 portal vein (PV) stenosis. Other interventions involved embolisation of the superior mesenteric artery branch to manage gastrointestinal bleeding in 2 patients and embolisation of an arteriobiliary fistula in 1 patient. RESULTS: Biliary: We carried out external-internal drainage and balloon dilatation of stenoses in 12 cases. The external-internal drainage catheter was removed after 6-8 weeks in 7 patients, with the remaining 5 patients with persisting stenosis assigned for retransplantation. We failed to cross anastomotic occlusions in 2 patients before completing the procedures using external drainage; both individuals subsequently underwent retransplantation. Vascular: We performed PTA/stenting of HA stenoses/occlusions in 4 out of 5 patients. After the procedure, all 4 patients showed liver function normalisation. All 3 cases of embolisation were technically and clinically successful. Both IVC and PV stenoses treated with dilatation/stenting were also successful. CONCLUSIONS: Percutaneous techniques used to treat biliary and vascular complications after liver transplantation in paediatric patients are safe and efficient.
- Klíčová slova
- Liver transplantation biliary complications, Liver transplantation vascular complications, Paediatric liver transplantation,
- MeSH
- arteriální okluzní nemoci diagnostické zobrazování terapie MeSH
- cholestáza diagnostické zobrazování terapie MeSH
- dítě MeSH
- drenáž metody MeSH
- intervenční radiologie metody MeSH
- kojenec MeSH
- lidé MeSH
- mladiství MeSH
- pooperační komplikace diagnostické zobrazování terapie MeSH
- předškolní dítě MeSH
- stenty MeSH
- terapeutická embolizace metody MeSH
- transplantace jater * MeSH
- výsledek terapie MeSH
- Check Tag
- dítě MeSH
- kojenec MeSH
- lidé MeSH
- mladiství MeSH
- mužské pohlaví MeSH
- předškolní dítě MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
At the clinic of imaging method St. Annas University Hospital solved complications arising after ortotopic liver transplantation. For more than 15 years of cooperation with CKTCH Brno intervention was performed on both the arterial and venous system, but most on the biliary tract. The order was a unit patients, which correlates with other comparable work. In the years 1998- 2013 we conducted one intervention on arterial bed, 3× intervention in hepatic venous system and we solved biliary complications in 7 transplant. .
- MeSH
- intervenční radiologie metody MeSH
- lidé MeSH
- nemoci jater chirurgie MeSH
- pooperační komplikace terapie MeSH
- transplantace jater * MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
To help operators acknowledge patient dose during interventional procedures, EURADOS WG-12 focused on measuring patient skin dose using XR-RV3 gafchromic films, thermoluminescent detector (TLD) pellets or 2D TL foils and on investigating possible correlation to the on-line dose indicators such as fluoroscopy time, Kerma-area product (KAP) and cumulative air Kerma at reference point (CK). The study aims at defining non-centre-specific European alert thresholds for skin dose in three interventional procedures: chemoembolization of the liver (CE), neuroembolization (NE) and percutaneous coronary interventions (PCI). Skin dose values of >3 Gy (ICRP threshold for skin injuries) were indeed measured in these procedures confirming the need for dose indicators that correlate with maximum skin dose (MSD). However, although MSD showed fairly good correlation with KAP and CK, several limitations were identified challenging the set-up of non-centre-specific European alert thresholds. This paper presents preliminary results of this wide European measurement campaign and focuses on the main challenges in the definition of European alert thresholds.
- MeSH
- absorpce radiace MeSH
- fyziologie kůže účinky záření MeSH
- intervenční radiografie metody MeSH
- kardiovaskulární chirurgické výkony metody MeSH
- kůže diagnostické zobrazování MeSH
- lidé MeSH
- maximální přípustná koncentrace MeSH
- radiometrie přístrojové vybavení metody MeSH
- rentgenové záření * MeSH
- reprodukovatelnost výsledků MeSH
- senzitivita a specificita MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- multicentrická studie MeSH
- srovnávací studie MeSH
- MeSH
- denervace metody MeSH
- hypertenze terapie MeSH
- intervenční radiologie metody MeSH
- kardiologie metody MeSH
- kardiovaskulární nemoci terapie MeSH
- ledviny inervace MeSH
- lidé MeSH
- neurochirurgické výkony metody MeSH
- společnosti lékařské MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- směrnice pro lékařskou praxi MeSH
- Geografické názvy
- Evropa MeSH