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Coordes Stefanie Louise Jost-Brinkmann Paul-Georg Präger Thomas Michael Bartzela Theodosia Visel Dominik Jäcker Theresa Müller-Hartwich Ralf 《Journal of orofacial orthopedics》2018,79(1):49-56
Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie - Aim of the study was to compare how six different sealants resisted thermal, mechanical, and chemical loading in vitro.... 相似文献
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Tobias H. Sudhoff Rainer O. Seidl Barbara Estel Annekatrin Coordes 《Clinical and experimental otorhinolaryngology》2015,8(4):409-415
Objectives
Postintubation tracheal ruptures (PTR) are rare but cause severe complications. Our objective was to investigate the tracheal pattern of injury resulting from cuff inflation of the tracheal tube, to study the two main factors responsible for PTR (cuff overinsufflation and inapplicable tube sizes), and to explain the context, why small women are particularly susceptible to PTR.Methods
Experimental study performed on 28 fresh human laryngotracheal specimens (16 males, 12 females) within 24 hours post autopsy. Artificial ventilation was simulated by using an underwater construction and a standard tracheal tube. Tube sizes were selected according to our previously published nomogram. Tracheal lesions were detected visually and tracheal diameters measured. The influence of body size, sex difference and appropriate tube size were investigated according to patient height.Results
In all 28 cases, the typical tracheal lesion pattern was a longitudinal median rupture of the posterior trachea. Appropriate tube sizes according to body size caused PTR with significantly higher cuff pressure when compared with oversized tubes. An increased risk of PTR was found in shorter patients, when oversized tubes were used. Sex difference did not have any significant influence.Conclusion
This experimental model provides information about tracheal patterns in PTR for the first time. The model confirms by experiment the observations of case series in PTR patients, and therefore emphasizes the importance of correct tube size selection according to patient height. This minimizes the risk of PTR, especially in shorter patients, who have an increased risk of PTR when oversized tubes are used. 相似文献3.
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Thomas Guenzel Stephan Hoch Niels Heinze Thomas Wilhelm Christian Gueldner Achim Franzen Annekathrin Coordes Anja Lieder Susanne Wiegand 《Auris, nasus, larynx》2019,46(5):797-802
ObjectiveTo demonstrate the safety and efficiency of holmium laser-assisted lithotripsy during sialendoscopy of the submandibular gland using a retrospective, interventional consecutive case series.MethodsWe performed 374 sialendoscopies between 2008 and 2015 and evaluated all patients regarding clinical symptoms, clinical findings, therapy and outcome. We performed 109 procedures of holmium laser-assisted lithotripsy in 64 patients whose sialoliths measured 5 mm or more in diameter. In addition to retrospective case note reviews, we performed telephone interviews of all patients in January 2017.ResultsWe performed 374 consecutive submandibular gland sialendoscopy procedures in 276 patients between 2008 to 2015. Sialolithiasis had either previously been diagnosed, or symptoms highly suggestive of sialolithiasis of the submandibular gland presented in 197 patients.Holmium laser-assisted Laser lithotripsy was performed in 109 cases (64.9%). Smaller mobile concrement was removed directly either by forceps or wire basket, or following marsupialisation of the submandibular duct. This was the case in 88 patients (29.1%). Three patients (0.8%) required surgical removal of the submandibular gland due to early abscess. The majority of patients (n = 374 procedures; 90.1%) remained symptom-free after two or more years following intervention. In the remaining procedures (n = 37 procedures; 9.9%), patients reported discreet postprandial problems but did not seek medical attention. In total, we managed to preserve the submandibular gland and avoid open surgery in 99% of patients through endoscopic management of submandibular concrement and duct stenosis.ConclusionHolmium laser-assisted lithotripsy is a simple, safe, and effective procedure for treating patients with sialolithiasis of the submandibular gland. Removal of the gland is rarely required, and removing the gland without prior sialendoscopy is no longer recommended. It should be offered to all patients with submandibular gland sialolithiasis, or such patients should be referred to the appropriate centre for sialendoscopy before submandibulectomy is considered. 相似文献
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Werner-von der Burg W.; Coordes I.; Hatzmann W. 《Human reproduction (Oxford, England)》1993,8(5):771-774
A case of pregnancy following direct intrafollicular gametetransfer is presented. Oocytes, obtained by transvaginal follicularaspiration, were added to a sperm preparation. The oocytes andspermatozoa were then transferred together, under transvaginalultrasound guidance, into the leading follicle. This is thefirst report of a pregnancy following this procedure. 相似文献
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Annekatrin Coordes Andreas Andreou Ulrike Erben Thorsten Stroh Katja Blunert Nadia Slavova Britta Siegmund Heinz-Johannes Buhr Anton J. Kroesen 《Inflammation research》2012,61(12):1411-1420