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2. Controlled hemostasis in thoracic surgery using drugs with oxidized cellulose
- Creator:
- Habal, Petr, Omran, Nedal, Manďák, Jiří, Šimek, Jiří, and Štětina, Milan
- Format:
- braille, text, and regular print
- Type:
- model:article, article, Text, práce podpořená grantem, and TEXT
- Subject:
- krvácení při operaci, celulosa oxidovaná--aplikace a dávkování, ženské pohlaví, hemostáza chirurgická, hemostatika--aplikace a dávkování, lidé, mužské pohlaví, lidé středního věku, nádory hrudníku--chirurgie, and hrudní chirurgické výkony
- Language:
- English
- Description:
- The authors demonstrate the possibility of improving surgical results by the reduction of perioperative bleeding in thoracic surgery associated with extended resection procedures. We focused on patients in whom the expected perioperative blood loss was greater than 500 ml. The first group consisted of patients with lung cancer stage III A after neoadjuvant chemotherapy had been indicated to extend the resection procedure. The second group consisted of patients with chest wall and mediastinum tumors of various etiologies. The third group consisted of patients with post-inflammatory thoracic complications in whom combined decortication and pleurectomy was necessary. By the using the local hemostyptic Traumastem TAF on the basis of oxidized cellulose, it is possible to minimize the perioperative blood loss, thus sparing the blood derivative requirement and enabling surgeons to provide the desired treatment even to high-risk patients., Petr Habal, Nedal Omran, Jiří Manďák, Jiří Šimek, Milan Štětina, and Literatura 16
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
3. Daily prostate volume and position monitoring using implanted gold markers and on-board imaging during radiotherapy
- Creator:
- Kašaová, Linda, Sirák, Igor, Jansa, Jan, Paluska, Petr, and Petera, Jiří
- Format:
- braille, text, and regular print
- Type:
- model:article, article, Text, práce podpořená grantem, and TEXT
- Subject:
- zaměřovací body pro radioterapii, zlato, lidé, mužské pohlaví, velikost orgánu--účinky záření, polohování pacienta, prostata--patologie--radiografie--účinky záření, nádory prostaty--radiografie--radioterapie, plánování radioterapie pomocí počítače, and počítačová rentgenová tomografie
- Language:
- English
- Description:
- Purpose: This study aimed to evaluate prostate volume changes and prostate motions during radiotherapy.Methods: In 2010, twenty-five patients were treated for prostate cancer by external beam radiotherapy with implanted fiducial markers. Coordinates of three gold markers on kilovoltage images were calculated daily. Volume changes in target structure were observed through changes in intermarker distances. Differences in patient position between laser-tattoo alignment and gold marker localization were evaluated. Intrafraction motion was assessed by measuring marker displacement on kilovoltage images acquired before and after fraction delivery. Results: Prostate shrinkage was observed in 60% of patients. The average shrinkage was 7% of the prostate’s initial volume. Corrections after laser-tattoo alignment remained mostly below 1 cm. The difference between marker centroid position on the actual images and the planning images was 2 ± 1 mm on average. The extension of intrafraction movements was 7.6 ± 0.2 mm on average. Conclusions: In our retrospective study, the possibility for prostate volume changes during radiotherapy was revealed. Intrafraction movements turned out to be the limiting factor in safety margin reduction., Linda Kašaová, Igor Sirák, Jan Jansa, Petr Paluska, Jiří Petera, and Literatura 16
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
4. Use of bio-degradable stents for the treatment of refractory benign gastrointestinal stenoses
- Creator:
- Rejchrt, Stanislav, Bureš, Jan, Brožík, Jan, and Kopáčová, Marcela
- Format:
- braille, text, and regular print
- Type:
- model:article, article, Text, práce podpořená grantem, and TEXT
- Subject:
- vstřebatelné implantáty, dospělí, zvířata, biokompatibilní materiály, Crohnova nemoc--chirurgie--komplikace, gastrointestinální endoskopie, ženské pohlaví, lidé, střevní obstrukce, mužské pohlaví, polymery, and stenty
- Language:
- English
- Description:
- Bio-degradable stents are be made of different synthetic polymers (like polylactide or polyglycolide) or their co-polymers (polydioxanone). They can be used for treating benign stenoses of the small and large intestine, particularly in Crohn’s disease. Endoscopic introduction of bio-degradable stents into small and large intestinal stenoses is feasible and relatively simple. Initial results are encouraging and the complication rate is low. However, there are still some difficulties that need to be overcome. The rate of early stent migration is still rather high (up to one third of patients). This might be solved by changes in the shape or rigidity of the stents as well as by further improvement in the design. Proof of long-term efficacy and safety requires further studies., Stanislav Rejchrt, Jan Bureš, Jan Brožík, Marcela Kopáčová, and Literatura 52
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public