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Добірка наукової літератури з теми "DMEK"

Автор: Grafiati
Опубліковано: 10 березня 2023

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Статті в журналах з теми "DMEK"

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Oganesyan, Oganes G., A. A. Grdikanyan, S. S. Yakovleva, and V. R. Getadaryan. "THE PARTIAL DESCEMET'S STRIPPING WITH TRANSPLANTATION OF DESCEMET'S TRANSPLANT UNDER ENDOTHELIAL DYSTROPHY OF CORNEA." Medical Journal of the Russian Federation 23, no. 5 (October 15, 2017): 248–53. http://dx.doi.org/10.18821/0869-2106-2017-23-5-248-253.

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Анотація:
The DMEK technique is applied five times more rarely than DS(A)EK despite that DMEK provides higher functional result. The main causes are technical "convolution" of implementation, long period of training, accompanied by prolonged operations, higher reject control of donor's tissue, increased rate of dependency of endothelium and mismatch of transplant. Therefore, an efficient technique is needed similar to DMEK though simpler than DMEK.The purpose of study. To analyze the results of implantation of Descemet's transplant (DMET) in patients with endothelium dystrophy of cornea (Fuchs) on the basis of limited clinical observations.Material of study. In two years, DMET was implemented to 12 patients. The study included 6 patients with average age of 60±18 years (from 29 to 80 years). All female patients had primary endothelial dystrophy and one male patient had secondary endothelial dystrophy. The visual acuity prior to DMET in average made up to 0,2±0,2 (from 0,01 to 0,5). The average CTR according optical coherent eye tomography made up to 685±53 µm (from 622 to 749 µm). Results. Within available periods of observation, resorption of edema of cornea takes place in 4 patients (67%) and visual acuity increased from average 0,2±0,1 to 0,45±0,3. In various periods density of endothelium cells varied from 549 to 689 kl per mm2. The indices of optical coherent eye tomography decreased from pre-operational 685±53 µm to 553±15 µm. Conclusion. The results testify efficiency of DMET. The period of restoration of transparency of cornea can vary from 1 to 6 months. The indices of density of endothelium cells are inferior to indices after DMEK. Also, DMET is ineffective in case of secondary dystrophy and at most efficient on previously non-operated eyes.
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Giebel, Arthur W. "DMEK." International Ophthalmology Clinics 53, no. 1 (2013): 1–14. http://dx.doi.org/10.1097/iio.0b013e31827744c4.

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Morelli, Alberto, Rosangela Ferrandina, Eleonora Favuzza, Michela Cennamo, and Rita Mencucci. "3D Visualization System in Descemet Membrane Endothelial Keratoplasty (DMEK): A Six-Month Comparison with Conventional Microscope." Journal of Clinical Medicine 11, no. 15 (July 25, 2022): 4312. http://dx.doi.org/10.3390/jcm11154312.

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Background: To compare the efficacy and safety of Descemet membrane endothelial keratoplasty (DMEK) surgery using the three-dimensional (3D) display system NGENUITY to DMEK surgery performed with the traditional microscope (TM) in patients affected by Fuchs Endothelial Corneal Disease (FECD). Methods: Retrospective comparative study of 40 pseudophakic eyes of 40 patients affected by FECD who underwent DMEK surgery. Twenty patients (3D group) were operated on using the 3D display system and 20 patients (TM group) were operated on using the traditional microscope. Best spectacle corrected visual acuity (BSCVA), central corneal thickness (CCT), endothelial cell density (ECD) and corneal densitometry (CD) values were documented before and at 1, 3 and 6 months after DMEK. Intra- and postoperative complications were recorded. Results: The baseline assessments did not differ between the two groups (p > 0.05). Global surgical time and time to perform descemetorhexis were significantly lower in the TM group (p = 0.04 and p = 0.02, respectively). BSCVA, CCT, ECD and CD values did not differ significantly in the two groups at all follow-ups (p > 0.05). Complication rate was similar between the two groups. Conclusion: Three-dimensional display systems can be securely employed in DMEK surgery considering the satisfactory clinical outcomes, including Scheimpflug CD. Nevertheless, the slightly longer surgical time of the 3D DMEKs may lead to surgeons’ hesitancy. The main advantages of the heads-up approach may be the improved ergonomic comfort during surgery and the utility of assistants in surgical training.
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Perez, AlfonsoVasquez, Mehran Zarei-Ghanavati, and Christopher Liu. "DMEK calling." Journal of Ophthalmic and Vision Research 11, no. 4 (2016): 343. http://dx.doi.org/10.4103/2008-322x.194067.

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Gorovoy, Mark S. "DMEK Complications." Cornea 33, no. 1 (January 2014): 101–4. http://dx.doi.org/10.1097/ico.0000000000000023.

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Semler-Collery, Axelle, Florian Bloch, George Hayek, Christophe Goetz, and Jean Marc Perone. "Comparison of triple-DMEK to pseudophakic-DMEK: A cohort study of 95 eyes." PLOS ONE 17, no. 5 (May 12, 2022): e0267940. http://dx.doi.org/10.1371/journal.pone.0267940.

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Анотація:
Previous comparative studies show that triple Descemet membrane endothelial keratoplasty (DMEK) (i.e. phacoemulsification followed immediately by DMEK) has either equivalent or better visual outcomes than DMEK in pseudophakic patients. To resolve this discrepancy, a retrospective cohort study was conducted. All consecutive patients with Fuchs Endothelial Corneal Dystrophy who underwent triple or pseudophakic DMEK in 2015–2019 in a tertiary-care hospital (France) and were followed for >12 months were compared in terms of best spectacle-corrected visual acuity (BSCVA), final refractive outcomes, and endothelial-cell loss at 12 months as well as rebubbling rates. The triple-DMEK (40 eyes, 34 patients) and pseudophakic-DMEK (55 eyes, 43 patients) groups were similar in terms of age and other baseline variables. They also did not differ in final BSCVA (both 0.03 logMAR), final endothelial-cell loss (54% vs. 48%), or astigmatism (-1.25 vs. -1 D). At 12 months, triple-DMEK associated with significantly smaller residual hyperopia (0.75 vs. 1 D; p = 0.04) and spherical equivalence (0 vs. 0.5 D; p = 0.02). Triple-DMEK also tended to associate with more frequent rebubbling (40% vs. 24%, p = 0.09). In conclusion, while triple-DMEK and pseudophakic-DMEK achieved similar visual acuity improvement, triple-DMEK was superior in terms of final sphere and spherical refraction but also tended to have higher complication rates.
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Oganesyan, Oganes G., P. V. Makarov, A. A. Grdikanyan, V. R. Getadaryan, and S. V. Milash. "THE PARTIAL TRANSPLANTATION OF DESCEMET’S MEMBRANE WITH ENDOTHELIUM (½ AND ¼ DMEK)." Medical Journal of the Russian Federation 24, no. 2 (April 15, 2018): 78–82. http://dx.doi.org/10.18821/0869-2106-2018-24-2-78-82.

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The lamellar keratoplasty is the first operation of choice under selective pathology of cornea. In view of satisfactory results of endothelium surgery similar operations are implemented at more earlier stages that increases need in donor tissue. The life-span of population increases hence number of patients in need of cornea transplantation also increases and number of intact cadaver corneas decreases because of stable increasing of number of surgical interventions at the frontal section of eye. The purpose of study is to analyze operations of partial transplantation of Descemet's membrane with endothelium (½ DMEK and ¼ DMEK). Material and methods. The analysis was applied to the results of 10 operations ½ DMEK (semi-DMEK, hemi-DMEK) and 10 operations ¼ DMEK, implemented at eyes of 20 patients with primary endothelium dystrophy. The average age of patients made up to 64,9±10,4 years. The average visual acuity prior to implementation of partial DMEK amounted to 0,14 ± 0,08, average central thickness of cornea, according data of optical coherent tomography, made up to 669 ± 91 мкм. Results. In 16 out of 20 cases of partial DMEK, restoration of transparency of cornea, resorption of edema and increasing of visual acuity was achieved. In other 4 cases, during one week after partial DMEK, a subtotal DMEK was implemented. In 16 cases, average visual acuity increased up to 0,8 ± 0,3 three months later after operation. Conclusion. The techniques of partial transplantation of Descemet's membrane with endothelium (¼ DMEK и ½ DMEK) are efficient for treatment of primary endothelium pathology of cornea and permit to apply donor's material as much as possible rationally.
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Lohmann, Tibor, Sabine Baumgarten, Niklas Plange, Peter Walter, and Matthias Fuest. "Effects of uncomplicated Descemet membrane endothelial keratoplasty on the central retinal thickness." Graefe's Archive for Clinical and Experimental Ophthalmology 259, no. 9 (May 11, 2021): 2731–41. http://dx.doi.org/10.1007/s00417-021-05203-2.

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Abstract Purpose To determine retinal thickness (RT) changes and the incidence of macular edema after uncomplicated Descemet membrane endothelial keratoplasty (DMEK-ME) in patients without ME risk factors. Methods In this retrospective study, 107 pseudophakic eyes of 74 patients with Fuchs endothelial dystrophy (FED) (79.4%) or bullous keratopathy (BK) (20.6%) underwent DMEK surgery between 2016 and 2019 at the Department of Ophthalmology, RWTH Aachen University. Patients with intra- or postoperative complications as well as pre-existing risk factors for ME were excluded. Macular spectral-domain optical coherence tomography (SD-OCT) and best spectacle-corrected visual acuity (BSCVA) measurements were performed before, 1 week, 1 month, and 6 months after surgery. Retinal thickness (RT) was analyzed in the central foveal 1 mm (CSF), parafoveal 3 mm and 6 mm subfield. Results Eight eyes (7.5%) developed DMEK-ME 1 month after surgery. Six DMEK-ME eyes (75%) were rebubbled, compared with 31.3% (31 of 99; P = 0.02) of the non DMEK-ME eyes. DMEK-ME eyes had a significantly thicker CSF 1 month after surgery (432.0 ± 97.6 μm) compared with non-DMEK-ME eyes (283.7 ± 22.2 μm; P = 0.01). The other subfields and time points showed no significant RT changes. DMEK-ME significantly impaired BSCVA (0.38 ± 0.92 logMAR) only 1 month after surgery in comparison to the non DMEK-ME eyes (0.23 ± 0.87 logMAR, P = 0.015). Conclusion Excluding systemic and surgery-related risk factors, rebubbling increases the risk of DMEK-ME. Performing a CSF scan 1 month after surgery, particularly in rebubbled eyes, efficiently detects DMEK-ME and allows the prompt initiation of treatment, e.g., topical corticosteroid and non-steroidal (NSAID) eye drops.
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Romano, Vito, Luca Pagano, Kunal A. Gadhvi, Giulia Coco, Mitchell Titley, Matthew Thomas Fenech, Stefano Ferrari, Hannah J. Levis, Mohit Parekh, and Stephen Kaye. "Clinical outcomes of pre-loaded ultra-thin DSAEK and pre-loaded DMEK." BMJ Open Ophthalmology 5, no. 1 (October 2020): e000546. http://dx.doi.org/10.1136/bmjophth-2020-000546.

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ObjectiveTo compare clinical outcomes and complications between pre-loaded ultra-thin Descemet stripping automated endothelialkeratoplasty (pl-UT-DSAEK) and pre-loaded Descemet membrane endothelial keratoplasty (pl-DMEK).Methods and analysisComparative study in patients with endothelial dysfunction associated with Fuchs endothelial corneal dystrophy and pseudophakic bullous keratopathy who underwent pl-UT-DSAEK or pl-DMEK transplants. For both groups, the tissues were pre-loaded at the Fondazione Banca degli Occhi del Veneto (Venice, Italy) and shipped to The Royal Liverpool University Hospital (Liverpool, UK). Best corrected visual acuity (BCVA) and re-bubbling rates were the main outcome measures.Results56 eyes of 56 patients were included. 31 received pl-UT-DSAEK and 25 received pl-DMEK. At 12 months, BCVA (LogMAR) was significantly better for pl-DMEK (0.17±0.20 LogMAR) compared with pl-UT-DSAEK (0.37±0.37 LogMAR, p<0.01). The percentage of people that achieved ≥20/30 was significantly higher in the pl-DMEK group. The rate of re-bubbling, however, was significantly higher for pl-DMEK (44.0%) than for Pl-UT-DSAEK (12.9%), p<0.01.ConclusionPl-DMEK offers better BCVA than pl-UT-DSAEK. The higher re-bubbling rate associated with pre-loaded DMEK is of concern.
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Terry, Mark A., Michael D. Straiko, Peter B. Veldman, Julia C. Talajic, Cor VanZyl, Christopher S. Sales, and Zachary M. Mayko. "Standardized DMEK Technique." Cornea 34, no. 8 (August 2015): 845–52. http://dx.doi.org/10.1097/ico.0000000000000479.

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Дисертації з теми "DMEK"

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Honkomp, Tina [Verfasser]. "Intraokulare Druckerhöhung und post-DMEK Glaukom / Tina Honkomp, geb. Wolf." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2018. http://d-nb.info/1172206031/34.

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Schwinde, Jan-Hendrik [Verfasser], Gerd [Gutachter] Geerling, and Lars [Gutachter] Wojtecki. "Langzeitergebnisse nach Descemet-Membran Endothel Kerato-plastik (DMEK) und Triple-Descemet-Membran Endothel Keratoplastik (Triple-DMEK) im Vergleich / Jan-Hendrik Schwinde ; Gutachter: Gerd Geerling, Lars Wojtecki." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2019. http://d-nb.info/1188017888/34.

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Pedemonte, Sarrias Eduard. "Tècnica de Muraine per a DMEK: anàlisi comparativa amb la tècnica estàndard." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/405259.

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La queratoplàstia endotelial de la membrana de Descemet (DMEK) és la tècnica d'elecció actual per al tractament de l’edema corneal irreversible. Després que Melles la desenvolupés el 2006, Muraine va proposar el 2013 una tècnica alternativa per a la dissecció i implantació de l’empelt. Aquesta tècnica aportava dues novetats: la hidrodissecció amb trepanació parcial i curvatura corneal invertida del teixit donant i el plegament de l’empelt amb l'endoteli a la seva cara interna, que afavoria la protecció de l’endoteli i la tendència natural de l’empelt a desplegar-se a la cambra anterior del receptor. L’objectiu d’aquesta tesi doctoral és comparar la tècnica de Muraine amb la tècnica estàndard analitzant-ne la densitat de cèl·lules endotelials (DCE) i agudesa visual (AV) postoperatòries, els temps quirúrgics i les complicacions intraoperatòries i postoperatòries. Es va dur a terme un estudi de cohorts prospectiu observacional multicèntric en la pràctica clínica habitual a l’Hospital Universitari MútuaTerrassa i l’Institut de Microcirurgia Ocular. El seguiment postoperatori va ser de sis mesos, amb controls com a mínim l’endemà, al cap d’una setmana i al cap d’un, tres i sis mesos de la cirurgia. Es van incloure 27 ulls de 20 pacients al grup de la tècnica Estàndard i 42 ulls de 40 pacients al grup intervingut amb la tècnica Muraine. La DCE als sis mesos va ser de 1488 (1337-1679) cèl·lules/mm2 al grup Estàndard i de 1170 (734-1614) cèl·lules/mm2 al grup Muraine (P=0.10). L’AV mitja als sis mesos va ser de 0.89 al grup Estàndard i 0.79 al grup Muraine, en l’escala decimal (P=0.19). Al voltant del 80% van assolir una AV de 0.5 o més i el 50-70%, 0.8 o més. Es va observar que la DCE i el percentatge de pèrdua de DCE al mes de la cirurgia eren equivalents als de la tècnica estàndard. El percentatge de pèrdua de DCE als sis mesos va ser superior amb la tècnica de Muraine, si bé la DCE va ser clínicament comparable. L’AV assolida als sis mesos va ser equivalent. La tècnica de Muraine va ser tan segura com la tècnica estàndard per a l’obtenció de l’empelt. La incidència de complicacions intraoperatòries amb l’empelt preparat amb la tècnica de Muraine en ulls amb facoemulsificació no complicada no va ser estadísticament superior. La dissecció de l’empelt amb la tècnica de Muraine va ser més lenta. El desplegament, per contra, va ser lleugerament més ràpid. Totes dues tècniques van tenir una taxa elevada de supervivència de l’empelt. La complicació postoperatòria més freqüent en ambdós grups va ser l’edema macular quístic. Els empelts dissecats amb la tècnica de Muraine van tenir una major incidència de necessitat de reinsuflació.
Descemet’s membrane endothelial keratoplasty (DMEK) is the current gold standard treatment for irreversible corneal oedema. After Melles developed this technique in 2006, Muraine proposed in 2013 an alternative technique for the dissection and implantation of the graft. Its main contributions were: hidrodissecting the graft from a partially trephined, inverted donor tissue, and folding the graft over the endothelial side, which favoured the protection of endothelial cells and the graft’s natural tendency to unfold in the receptor’s anterior chamber. The purpose of this doctoral thesis is to compare Muraine’s technique to the Standard through analysis of the postoperative endothelial cell density (ECD) and visual acuity (VA), surgical time, and intraoperative and postoperative complications. An observational, multicentric, prospective, cohorts trial was carried out in Hospital Universitari MútuaTerrassa and Institut de Microcirurgia Ocular in a daily praxis basis. There were follow-up controls over the six months following the surgery, at least at day one, first week and first, third and sixth months. Twenty-seven eyes from 20 patients were included in the Standard technique group. Forty-two eyes from 40 patients were included in the Muraine’s technique group. The ECD at six months was 1488 (1337-1679) cells/mm2 for the Standard group and 1170 (734-1614) cells/mm2 for Muraine’s group. The mean VA at six months was 0.89 for the Standard group and 0.79 for Muraine’s group, in the decimal scale (P=0.19). Around 80% of the eyes reached a VA of 0.5 or higher and 50-70%, 0.8 or higher. The ECD and the percentage of ECD loss with Muraine’s technique at the first month after surgery were equivalent to the Standard technique’s. The percentage of ECD loss at six months was higher with Muraine’s technique, although the ECD was clinically comparable. The VA achieved at six months was equivalent. Muraine’s technique was as safe as the Standard technique for the graft dissection. The incidence of intraoperative complications among the eyes with uncomplicated phacoemulsification was not statistically higher with Muraine’s technique. The graft dissection with Muraine’s technique was slower. Conversely, the unfolding was slightly faster. Both techniques had a high graft survival rate. The most frequent postoperative complication in both groups was cystoid macular oedema. The grafts dissected with Muraine’s technique had a higher incidence of need for rebubbling.
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Wardeh, Rima [Verfasser], and Walter [Akademischer Betreuer] Sekundo. "Long-Term Results after DMEK (Descemet’s Membrane Endothelial Keratoplasty) / Rima Wardeh ; Betreuer: Walter Sekundo." Marburg : Philipps-Universität Marburg, 2020. http://d-nb.info/1205879730/34.

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Schmeckenbächer, Nikola [Verfasser], Theofilos [Akademischer Betreuer] Tourtas, and Theofilos [Gutachter] Tourtas. "Zusammenhang von intraoperativ bei DMEK gemessenem Augeninnendruck und postoperativer Transplantatadhäsion / Nikola Schmeckenbächer ; Gutachter: Theofilos Tourtas ; Betreuer: Theofilos Tourtas." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2021. http://d-nb.info/1234714213/34.

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Abdin, Alaa Din [Verfasser]. "Impact of dextran in organ culture media for preservation of DMEK (Descemet Membrane Endothelial Keratoplasty) precut tissue / Alaa Din Abdin." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2020. http://d-nb.info/1216104832/34.

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Borgardts, Klara [Verfasser], Gerd [Gutachter] Geerling, and Colin [Gutachter] MacKenzie. "Untersuchung des Glycerinbades als prädiktiver Parameter für den Erfolg nach einer Descemetmembran Endothelkeratoplastik (DMEK) / Klara Borgardts ; Gutachter: Gerd Geerling, Colin MacKenzie." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2019. http://d-nb.info/1190350726/34.

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Gerber, Fanny Luise [Verfasser], Björn [Gutachter] Bachmann, and Stefan [Gutachter] Haneder. "Korneale Densitometrie als diagnostischer Prädiktor für den postoperativen Visus nach Descemet membrane endothelial keratoplasty (DMEK) / Fanny Luise Gerber ; Gutachter: Björn Bachmann, Stefan Haneder." Köln : Deutsche Zentralbibliothek für Medizin, 2021. http://d-nb.info/1229352899/34.

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Ampazas, Paraskevas [Verfasser], and Walter [Akademischer Betreuer] Sekundo. "Transplantatanlagerate bei Verwendung von 5% SF6- Gas versus Luft bei der Endotamponade im Rahmen der Descemet-Membran Endothelialen Keratoplastik (DMEK): Eine retrospektive Erhebung. / Paraskevas Ampazas ; Betreuer: Walter Sekundo." Marburg : Philipps-Universität Marburg, 2018. http://d-nb.info/1161847049/34.

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Ostroumov, Ivan Victorovich. "Analysis of DME/DME positioning capabilities for borispil airspace region." Thesis, ІІ National Scientific Conference of young scientists and students «Problems and prospects of Aeronautics and Astronautics» 23 – 24 October 2013 y – Kyiv, 2013. – P. 21, 2013. http://er.nau.edu.ua/handle/NAU/26591.

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Case of on board equipment failure or in case of unavailability of GNSS support (for example: result of some errors), flight management system (FMS) has to use other alternative methods for positioning. FMS has got diferent positioning alghoritms with is grounted on current navigation aids infrastructure [1]. One of them uses distance measurement equipment (DME) for this purpose. DME positioning technics are the most accurate in this situation and avalible on the bigger part of Ukrainian airspace. In this case, it is possible to regard DME like an alternate source of positioning, navigation and timing during the absence of GNSS service. That’s why, DME actively supported by airlines regional carriers and high-end business operators who are equipped with advanced DME avionics. The main task of distance measuring equipment is to provide pilots with distance information between the aircraft and the ground station and is used in all phases of flight. It`s effective tool for strengthening pilot navigation and increasing situation understanding. This technology gives the able pilots to determine exact locations while en route as well as identify descent points on an instrument approach.
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Книги з теми "DMEK"

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Jacob, Soosan. The DMEK Graft. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9732-6.

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Jacob, Soosan. Air Pump Assisted PDEK/ DMEK. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2035-6.

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Thomas, John. Corneal endothelial transplant: (DSAEK, DMEK & DLEK). New Delhi: Jaypee-Highlights Medical Pub., 2010.

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Jacob, Soosan. Graft Orientation and Endoilluminator Assisted TMEK (DMEK, PDEK) - E-DEMK, E-PDEK. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1620-5.

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Khojasteh, S. Cyrus, Harvey Wong, Donglu Zhang, and Cornelis E. C. A. Hop. Discovery DMPK Quick Guide. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-10691-0.

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6

RCED, United States General Accounting Office. VOR/DME and LORAN expansion. Washington, D.C: The Office, 1993.

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United States. General Accounting Office. RCED. VOR/DME and LORAN expansion. Washington, D.C: The Office, 1993.

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8

Singaram, I. DMK, relationship between leaders and members. New Delhi: Intellectual Pub. House, 1996.

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9

Sentā, Erupī Gasu Shinkō. DME kongō nenryō riyō gijutsu chōsa hōkokusho: Heisei 21-nendo DME kongō nenryō riyō gijutsu chōsa. [Tokyo]: Erupī Gasu Shinkō Sentā, 2009.

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10

Breus, Michael. How to start a sleep DME service. Atlanta, Ga: Sleep Center Management Institute, 2006.

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Частини книг з теми "DMEK"

1

Koplin, Richard S., David C. Ritterband, Emily Schorr, John A. Seedor, and Elaine Wu. "Surgical Tray: DMEK." In The Scrub's Bible, 197–98. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44345-0_36.

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Shah, Shaily Dinesh, Ashley Brissette, and Christopher S. Sales. "Rebubbling of DMEK Grafts." In Operative Dictations in Ophthalmology, 77–79. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-53058-7_17.

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Bachmann, Bjoern, and Claus Cursiefen. "Intra- and Postoperative Complications and Their Management in DMEK (Including Re-DMEK)." In Current Treatment Options for Fuchs Endothelial Dystrophy, 153–64. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43021-8_10.

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Koplin, Richard S., David C. Ritterband, Emily Schorr, John A. Seedor, and Elaine Wu. "Corneal Transplantation: Endothelial Keratoplasty/DMEK." In The Scrub's Bible, 175–77. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44345-0_29.

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Shah, Shaily Dinesh, Ashley Brissette, and Christopher S. Sales. "Descemet’s Membrane Endothelial Keratoplasty (DMEK)." In Operative Dictations in Ophthalmology, 69–76. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-53058-7_16.

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Baydoun, Lamis, Isabel Dapena, and Gerrit Melles. "Evolution of Posterior Lamellar Keratoplasty: PK – DLEK – DSEK/DSAEK – DMEK – DMET." In Current Treatment Options for Fuchs Endothelial Dystrophy, 73–85. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43021-8_5.

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7

Hapani, Bindiya, M. O. Price, and F. W. Price. "DMEK: Step-by-Step Surgical Approach." In Current Treatment Options for Fuchs Endothelial Dystrophy, 165–87. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-43021-8_11.

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Fernández, Ester, Jack Parker, Isabel Dapena, Lamis Baydoun, Vasilios S. Liarakos, and Gerrit R. J. Melles. "Unfolding Techniques for the DMEK Graft." In Mastering Endothelial Keratoplasty, 173–87. New Delhi: Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2818-9_10.

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Mayworm, José Guilherme, Jonice Oliveira, Fabrício Firmino, and Claudio M. de Farias. "DMEK: Improving Profile Matching in Opportunistic Collaborations." In Communications in Computer and Information Science, 171–84. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-11238-7_11.

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10

Sáles, Christopher S., Zach M. Mayko, Mark A. Terry, and Michael D. Straiko. "Preventing and Managing Postoperative Complications in DMEK Surgery." In Mastering Endothelial Keratoplasty, 113–26. New Delhi: Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2821-9_7.

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Тези доповідей конференцій з теми "DMEK"

1

Sajet, Anita, Alina Miron, Esther Groeneveld-van Beek, Jet Kok, Mehtap Dedeci, Maloeke de Jong, Gerrit Melles, Silke Oellerich, and Jacqueline van der Wees. "17 Cell viability after DMEK preparation." In Abstracts of the European Eye Bank Association Virtual Meeting, 3–5 March 2022. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/bmjophth-2022-eeba.17.

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Groeneveld-van Beek, Esther A., Kaemela Vasanthananthan, Jessica T. Lie, GerritRJ Melles, Jacqueline van der Wees, Silke Oellerich, and Viridiana Kocaba. "32 Corneal guttae after descemet membrane endothelial keratoplasty (DMEK)." In Abstracts of the European Eye Bank Association Virtual Meeting, 3–5 March 2022. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/bmjophth-2022-eeba.32.

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Khanam, Tina. "OP-7 Our experience of DMEK wet lab-training course as a precursor to starting DMEK service at NHS Trusts during COVID-19 pandemic in UK." In 2022 Proceedings of the Bowman Club Meeting, 25th March. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/bmjophth-2022-bcm.6.

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4

Herdt, Louise De, Indrè Vasiliauskaitė, Viridiana Kocaba, Korine van Dijk, Jacqueline van der Wees, Lamis Baydoun, Gerrit RJ Melles, and Silke Oellerich. "37 Descemet membrane endothelial keratoplasty (DMEK): 10-year clinical outcomes and graft survival." In Abstracts of the European Eye Bank Association Virtual Meeting, 3–5 March 2022. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/bmjophth-2022-eeba.37.

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Lie, Jessica T., Esther AGroeneveld-van Beek, Silke Oellerich, Anita Sajet, Jet Kok, Methap Dedeci, Maloeke de Jong, Gerrit RJ Melles, Viridiana Kocaba, and Jacqueline van der Wees. "24 Effect of graft preparation techniques on clinical outcomes after Descemet membrane endothelial keratoplasty (DMEK)." In Abstracts of the European Eye Bank Association Virtual Meeting, 3–5 March 2022. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/bmjophth-2022-eeba.24.

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6

Kim, Euiho. "Investigation of APNT optimized DME/DME network using current state-of-the-art DMEs: Ground station network, accuracy, and capacity." In 2012 IEEE/ION Position, Location and Navigation Symposium - PLANS 2012. IEEE, 2012. http://dx.doi.org/10.1109/plans.2012.6236876.

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7

Sezginer, Kaan, Mustafa Gul, Alican Bekoz, Y. Bugra Ozer, and Cosku Kasnakoglu. "DME/DME position and velocity estimation." In 2018 26th Signal Processing and Communications Applications Conference (SIU). IEEE, 2018. http://dx.doi.org/10.1109/siu.2018.8404414.

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8

Li, Shuyu, Yude Ni, and Na Cai. "Optimal strategy of DME beacon distrbution for DME/DME area navigation." In 2012 11th International Conference on Signal Processing (ICSP 2012). IEEE, 2012. http://dx.doi.org/10.1109/icosp.2012.6491981.

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9

Salimi, Hamidreza, Amin Ameri, and Jan Nieuwerf. "Dimethyl Ether DME Solvent Based Enhanced-Oil-Recovery Technology - A Laboratory and Subsurface Study." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2022. http://dx.doi.org/10.2118/200223-ms.

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Abstract DME as a water-soluble solvent for enhanced oil recovery has been introduced and some study results of DME enhanced waterflooding have recently been reported. However, DME-based EOR has not yet been implemented because of high prices of DME, the consequent need to recycle and reinject DME, and uncertain incremental oil per injected DME. This paper describes new insights into the different aspects (lab, subsurface, and economic) of DME-based EOR technology. An experimental protocol was defined to study the IFT, viscosity, and density of DME-Oil-brine mixtures as a function of T, P, and salinity, and DME compatibility with heavy components (e.g., asphaltenes), and adsorption on minerals. A compositional fractured-reservoir dynamic model that honors the PVT characteristics of DME was developed to investigate the performance of DME flood into fractured and unfractured reservoirs with light and heavy crudes. A business case as a function of DME recycling efficiencies, incremental oil, and phase implementation was discussed. The experimental results revealed that the oil viscosity 31 cP is significantly reduced to below 2 cP when mixed with DME in small volume ratios. No asphaltene precipitation (asphaltene content = 6.4 wt%) was observed when the oil was mixed with DME at increasing ratios up to 80 v/v%. Compatibility tests with formation water (total salinity 9.2 wt%) showed that DME is soluble in the formation water without any incompatibility or salting-out effect. The DME partitioning into oleic phase improves when temperature and brine-salinity increase. Imbibition tests at 5 bars and 50°C with DME-saturated formation water and limestone core plugs (permeability: 1.3–2.2 mD) increased the ultimate recovery to 70%. The simulation results indicate that DME injection into unfractured reservoirs does not improve the displacement efficiency, but it accelerates oil production because of improved injectivity up to 30%. However, DME injection into heavy-oil fractured reservoirs can improve displacement efficiency initially by enhancing imbibition rates from the matrix to the fracture system. However, this improved displacement efficiency decreases as DME injection continues because of DME breakthrough and there will be a point at which the DME displacement efficiency becomes the same as water. Nonetheless, DME significantly increases the recovery factor from heavy-oil fractured reservoirs (up to 200%). The economic results demonstrate that to have an economic DME-based EOR technology, the DME-recycling efficiency must be higher than 80%, incremental oil must be higher than 15%, and development must be a phased development plan.
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Gordo, Victor M., Gema A. Paz, and Javier San-Juan. "DME Multipath Simulations as a Critical enabler to Support DME/DME RNP Reversion." In 2019 International Technical Meeting of The Institute of Navigation. Institute of Navigation, 2019. http://dx.doi.org/10.33012/2019.16707.

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Звіти організацій з теми "DMEK"

1

Favorite, Jeffrey A. (U) Neutron-Induced Gamma-Ray Calculations Using DMTK. Office of Scientific and Technical Information (OSTI), September 2015. http://dx.doi.org/10.2172/1214636.

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Tsuchiya, Takayuki, Akira Nakamura, Kenji Toda, Yoshio Sato, Toshimitsu Takayanagi, and Seang-wock Lee. Research and Development of Heavy-Duty DME Truck~Development of DME Engine for Application to Truck. Warrendale, PA: SAE International, September 2005. http://dx.doi.org/10.4271/2005-08-0562.

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3

Sato, Yoshio, Seang-wock Lee, Toshimitsu Takayanagi, Hisakazu Suzuki, Akira Nakamura, Takayuki Tsuchiya, and Kenji Toda. Research and Development of Heavy-Duty Truck Fueled With DME~Development and Performance of a DME Engine. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0194.

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4

Elana M. Chapman, Shirish Bhide, Jennifer Stefanik, Howard Glunt, Andre L. Boehman, Allen Homan, and David Klinikowski. DIMETHYL ETHER (DME)-FUELED SHUTTLE BUS DEMONSTRATION PROJECT. Office of Scientific and Technical Information (OSTI), April 2003. http://dx.doi.org/10.2172/823625.

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Chapman, Elana M., Shirish Bhide, Andre L. Boehman, and David Klinikowski. DIMETHYL ETHER (DME)-FUELED SHUTTLE BUS DEMONSTRATION PROJECT. Office of Scientific and Technical Information (OSTI), April 2003. http://dx.doi.org/10.2172/819427.

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Chapman, Elana M., Shirish Bhide, Jennifer Stefanik, Andre L. Boehman, and David Klinikowski. DIMETHYL ETHER (DME)-FUELED SHUTTLE BUS DEMONSTRATION PROJECT. Office of Scientific and Technical Information (OSTI), April 2003. http://dx.doi.org/10.2172/819428.

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7

Chapman, Elana M., Shirish Bhide, Jennifer Stefanik, Howard Glunt, Andre L. Boehman, Allen Homan, and David Klinikowski. DIMETHYL ETHER (DME)-FUELED SHUTTLE BUS DEMONSTRATION PROJECT. Office of Scientific and Technical Information (OSTI), April 2003. http://dx.doi.org/10.2172/819431.

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8

Temple, Brian, and David Pimentel. LANL12-RS-108J Device Modeler Tool Kit - DMTK Final Report for FY14. Office of Scientific and Technical Information (OSTI), September 2014. http://dx.doi.org/10.2172/1158828.

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9

Wakasa, Ryoji, Hironobu Tsukahara, Kazuo Takada, and Shigemichi Yuki. Research and Development of DME Vehicle Fuel Supply Infrastructure System. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0198.

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10

Muto, Takuya, Sayaka Nishimi, Hiroaki Nomura, Kazunori Yoshida, and Hideo Shoji. Analysis of Combustion in DME and Methane-Fueled HCCI Engine. Warrendale, PA: SAE International, September 2005. http://dx.doi.org/10.4271/2005-08-0429.

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