32 research outputs found
Blockade of the mental nerve for lower lip surgery as a safe alternative to general anesthesia in two very old patients
No full textFerdinand Frederik Som Ling Tan,1 Sjouke Schiere,1 Auke C Reidinga,2 Fennie Wit,3 Peter HJM Veldman3 1Department of Anesthesiology, University Medical Center Groningen, Groningen, the Netherlands; 2Department of Anesthesiology, de Tjongerschans Hospital, Heerenveen, the Netherlands; 3Department of Surgery, de Tjongerschans Hospital, Heerenveen, the Netherlands Purpose: Regional anesthesia is gaining popularity with anesthesiologists as it offers superb postoperative analgesia. However, as the sole anesthetic technique in high-risk patients in whom general anesthesia is not preferred, some regional anesthetic possibilities may be easily overlooked. By presenting two cases of very old patients with considerable comorbidities, we would like to bring the mental nerve field block under renewed attention as a safe alternative to general anesthesia and to achieve broader application of this simple nerve block. Patients and methods: Two very old male patients (84 and 91 years) both presented with an ulcerative lesion at the lower lip for which surgical removal was scheduled. Because of their considerable comorbidities and increased frailty, bilateral blockade of the mental nerve was considered superior to general anesthesia. As an additional advantage for the 84-year-old patient, who had a pneumonectomy in his medical history, the procedure could be safely performed in a beach-chair position to prevent atelectasis and optimize the ventilation/perfusion ratio of the single lung. The mental nerve blockades were performed intraorally in a blind fashion, after eversion of the lip and identifying the lower canine. A 5 mL syringe with a 23-gauge needle attached was passed into the buccal mucosa until it approximated the mental foramen, where 2 mL of lidocaine 2% with adrenaline 1:100.000 was injected . The other side was anesthetized in a similar fashion. Results: Both patients underwent the surgical procedure uneventfully under a bilateral mental nerve block and were discharged from the hospital on the same day. Conclusion: A mental nerve block is an easy-to-perform regional anesthetic technique for lower lip surgery. This technique might be especially advantageous in the very old, frail patient. Keywords: intraoral, regional anesthesia, percutaneous, ultrasound, mental nerve bloc
Blockade of the mental nerve for lower lip surgery as a safe alternative to general anesthesia in two very old patients
No full textPurpose: Regional anesthesia is gaining popularity with anesthesiologists as it offers superb postoperative analgesia. However, as the sole anesthetic technique in high-risk patients in whom general anesthesia is not preferred, some regional anesthetic possibilities may be easily overlooked. By presenting two cases of very old patients with considerable comorbidities, we would like to bring the mental nerve field block under renewed attention as a safe alternative to general anesthesia and to achieve broader application of this simple nerve block. Patients and methods: Two very old male patients(84 and 91 years) both presented with an ulcerative lesion at the lower lip for which surgical removal was scheduled. Because of their considerable comorbidities and increased frailty, bilateral blockade of the mental nerve was considered superior to general anesthesia. As an additional advantage for the 84-year-old patient, who had a pneumonectomy in his medical history, the procedure could be safely performed in a beach-chair position to prevent atelectasis and optimize the ventilation/perfusion ratio of the single lung. The mental nerve blockades were performed intraorally in a blind fashion, after eversion of the lip and identifying the lower canine. A 5 mL syringe with a 23-gauge needle attached was passed into the buccal mucosa until it approximated the mental foramen, where 2 mL of lidocaine 2% with adrenaline 1:100.000 was injected. The other side was anesthetized in a similar fashion. Results: Both patients underwent the surgical procedure uneventfully under a bilateral mental nerve block and were discharged from the hospital on the same day. Conclusion: A mental nerve block is an easy-to-perform regional anesthetic technique for lower lip surgery. This technique might be especially advantageous in the very old, frail patient
Visualizing cross-coupled orders in multiferroic hexagonal manganites with scanning force microscopies
No full textThis thesis covers the study of multiferroics and magnetoelectrics by utilizing a collection of scanning force microscopy to investigate the cross-coupled phenomena. We mainly focus on the multiferroic hexagonal REMnO (RE = rare earth), an improper ferroelectrics with the coexistence of ferroelectricity ( = 1200 - 1500 K) and antiferromagnetism ( = 70 - 120 K), and explore in depth the magnetoelectric effect of this system microscopically. Using cryogenic magnetic force microscope (MFM), we observed uncompensated magnetic moment along antiferromagnetic domain walls, which coincides with the ferroelectric domain boundaries. This magnetism presents an alternating feature around the multiferroic vortex, and correlates with each other through the vortex network. The study of the magnetic field dependence of domain wall magnetism also provides a way to probe the intrinsic bulk domain state. To directly image the magnetoelectric domains, we developed a novel mesoscopic technique, namely, magnetoelectric force microscopy (MeFM), to probe the local electric field-induced magnetization based on MFM. The detail of the novel technique will be presented in Chapter 2. With the application of MeFM in hexagonal manganities, we observed that the magnetoelectric response changes sign at each structural domain wall, which provides compelling evidence for a lattice-mediated magnetoelectric coupling. More interestingly, the magnetoelectric effect diverges when approaching the tri-critical point in phase diagram, where critical fluctuation plays a crucial role. Our study suggests the phase competition as a possibility to enhance magnetoelectric coupling. The systematic study of hexagonal manganites, including ErMnO and YbMnO, disentangles the contribution from Mn and rare earth sublattices, suggesting that the coupling and the Ising anisotropy of rare earth spins are the key ingredients to understand the re-entrant spin-reorientation phase boundary and the emergence of a tri-critical point.Ph.D.Includes bibliographical referencesby Yanan Gen
Multilevel influences of women’s empowerment and economic resources on risky sexual behaviour among young women in Zomba district, Malawi
No full text© The Author(s) 2020. Published by Cambridge University Press. Gender disparities are pronounced in Zomba district, Malawi. Among women aged 15–49 years, HIV prevalence is 16.8%, compared with 9.3% among men of the same age. Complex structural factors are associated with risky sexual behaviour leading to HIV infection. This study’s objective was to explore associations between multilevel measures of economic resources and women’s empowerment with risky sexual behaviour among young women in Zomba. Four measures of risky sexual behaviour were examined: ever had sex, condom use and two indices measuring age during sexual activity and partner history. Multilevel regression models and regression models with cluster-robust standard errors were used to estimate associations, stratified by school enrolment status. Among the schoolgirl stratum, the percentage of girls enrolled in school at the community level had protective associations with ever having sex (OR = 0.76; 95% CI: 0.60, 0.96) and condom use (OR = 1.06; 95% CI: 1.01, 1.11). Belief in the right to refuse sex was protective against ever having sex (OR = 0.76; 95% CI: 0.60, 0.96). Participants from households with no secondary school education had higher odds of ever having sex (OR = 1.59; 95% CI: 1.14, 2.22). Among the dropout stratum, participants who had not achieved a secondary school level of education had riskier Age Factor and Partner History Factor scores (β = 0.51; 95% CI: 0.23, 0.79, and β = 0.24; 95% CI: 0.07, 0.41, respectively). Participants from households without a secondary school level of education had riskier Age Factor scores (β = 0.26; 95% CI: 0.03, 0.48). Across strata, the most consistent variables associated with risky sexual behaviour were those related to education, including girl’s level of education, highest level of education of her household of origin and the community percentage of girls enrolled in school. These results suggest that programmes seeking to reduce risky sexual behaviour among young women in Malawi should consider the role of improving access to education at multiple levels
The Effect of a Temporary Stoma on Long-term Functional Outcomes Following Surgery for Rectal Cancer
No full textBACKGROUND: Patients with rectal cancer may undergo surgical resection with or without a temporary stoma.OBJECTIVE: This study primarily aimed to compare long-term functional outcomes between patients with and without a temporary stoma after surgery for rectal cancer. The secondary aim was to investigate the effect of time to stoma reversal on functional outcomes.DESIGN: This was a multicenter, cross-sectional study.SETTINGS: This study was conducted at 7 Dutch hospitals. PATIENTS: Included were patients who had undergone rectal cancer surgery (2009–2015). Excluded were deceased patients, who were deceased, had a permanent stoma, or had intellectual disability. MAIN OUTCOME MEASURES: Functional outcomes were measured using the Rome IV criteria for constipation and fecal incontinence and the low anterior resection syndrome score. RESULTS: Of 656 patients, 32% received a temporary ileostomy and 20% a temporary colostomy (86% response). Follow-up was at 56 (interquartile range, 38.5–79) months. Patients who had a temporary ileostomy experienced less constipation, more fecal incontinence, and more major low anterior resection syndrome than those without a temporary stoma. Patients who had a temporary colostomy experienced more major low anterior resection syndrome than those without a temporary stoma. A temporary ileostomy or colostomy was not associated with constipation or fecal incontinence after correction for confounding factors (eg, anastomotic height, anastomotic leakage, radiotherapy). Time to stoma reversal was not associated with constipation, fecal incontinence, or major low anterior resection syndrome. LIMITATIONS: Cross-sectional design. CONCLUSIONS: Although patients with a temporary ileostomy or colostomy have worse functional outcomes in the long term, it seems that the reason for creating a temporary stoma, rather than the stoma itself, underlies this phenomenon. Time to reversal of a temporary stoma does not influence functional outcomes.BACKGROUND: Patients with rectal cancer may undergo surgical resection with or without a temporary stoma. OBJECTIVE: This study primarily aimed to compare long-term functional outcomes between patients with and without a temporary stoma after surgery for rectal cancer. The secondary aim was to investigate the effect of time to stoma reversal on functional outcomes. DESIGN: This was a multicenter, cross-sectional study.</p
Predicting adherence to antiretroviral therapy and retention to HIV care : effects of baseline biopsychosocial status and neuropsychological functioning
No full textThese drugs have demonstrated efficacy in improving immune function and reducing HIV-related morbidity and mortality, and while a cure is not available, patients on treatment may live longer, healthier lives. However, early optimism has been tempered by the growing recognition that meticulous adherence is a prerequisite for optimal clinical response and prevention of drug resistance
Anastomotic Height Is a Valuable Indicator of Long-term Bowel Function Following Surgery for Rectal Cancer
No full textThe exact relation between anastomotic height after rectal cancer surgery and postoperative bowel function problems has not been investigated in the long term, resulting in ineffective treatment. OBJECTIVE: The goal of this study was to determine the effect of anastomotic height on long-term bowel function and generic quality of life. DESIGN: This was a multicenter, cross-sectional study. SETTINGS: Seven hospitals in the north of the Netherlands participated. PATIENTS: All patients who underwent rectal cancer surgery between 2009 and 2015 in participating hospitals received the validated Defecation and Fecal Continence and Short-Form 36 questionnaires. Deceased patients, patients with a permanent stoma or an anastomosis >15 cm from the anal verge, patients with intellectual disability, and patients living abroad were excluded. MAIN OUTCOME MEASURES: Primary outcomes were constipation (Rome IV), fecal incontinence (Rome IV), and major low anterior resection syndrome. Secondary outcomes were the generic quality of life scores. RESULTS: The study population (n = 630) had a median follow-up of 58.0 months. In multivariable analysis, constipation (OR = 1.08; 95% CI, 1.02-1.15; p = 0.011), fecal incontinence (OR = 0.91; 95% CI, 0.84-0.97; p = 0.006), and major low anterior resection syndrome (OR = 0.93; 95% CI, 0.87-0.99; p = 0.027), were significantly associated with anastomotic height. The curves illustrating the probability of constipation and fecal incontinence crossed at an anastomotic height of 7 cm, with 95% CIs overlapping between 4.5 and 9.5 cm. There was no relation between quality-of-life scores and anastomotic height. LIMITATIONS: The study is limited by its cross-sectional design. CONCLUSIONS: This study might serve as a guide for the clinician to effectively screen and treat fecal incontinence and constipation during patient follow-up after rectal cancer surgery. More attention should be paid to fecal incontinence in patients with an anastomosis below 4.5 cm and toward constipation in patients with an anastomosis above 9.5 cm. See Video Abstract at http://links.lww.com/DCR/B858. LA ALTURA ANASTOMÓTICA ES UN INDICADOR VALIOSO DE LA FUNCIÓN INTESTINAL A LARGO PLAZO DESPUÉS DE LA CIRUGÍA PARA EL CÁNCER DE RECTO: ANTECEDENTES: La relación exacta entre la altura anastomótica después de la cirugía de cáncer de recto y los problemas posoperatorios de la función intestinal no se ha investigado a largo plazo, lo que causa un tratamiento ineficaz. OBJETIVO: Determinar el efecto de la altura anastomótica sobre la función intestinal a largo plazo y la calidad de vida genérica. DISEÑO: Estudio multicéntrico transversal. DISEÑO DEL ESTUDIO: Participaron siete hospitales holandeses en el norte de los Países Bajos. PACIENTES: Todos los pacientes que se sometieron a cirugía de cáncer de recto entre 2009 y 2015 en los hospitales participantes recibieron los cuestionarios validados de Defecación y Continencia Fecal y Short-Form 36. Se excluyeron pacientes fallecidos, pacientes con estoma permanente o anastomosis > 15 cm del borde anal, discapacidad intelectual o residentes en el extranjero. PRINCIPALES MEDIDAS DE RESULTADO: Los resultados primarios fueron estreñimiento (Roma IV), incontinencia fecal (Roma IV) y síndrome de resección anterior baja mayor. Los resultados secundarios fueron las puntuaciones genéricas de calidad de vida. RESULTADOS: La población de estudio (N = 630) tuvo una mediana de seguimiento de 58.0 meses. En el análisis multivariable el estreñimiento (OR = 1,08, IC del 95%, 1,02-1,15, p = 0,011), incontinencia fecal (OR = 0,91, IC del 95%, 0,84–0,97, p = 0,006) y síndrome de resección anterior baja mayor (OR = 0,93, IC del 95%, 0,87–0,99, p = 0,027) se asociaron significativamente con la altura anastomótica. Las curvas que ilustran la probabilidad de estreñimiento e incontinencia fecal se cruzaron a una altura anastomótica de 7 cm, con IC del 95% superpuestos entre 4,5 y 9,5 cm. No hubo relación entre las puntuaciones de calidad de vida y la altura anastomótica. LIMITACIONES: El estudio está limitado por su diseño transversal. CONCLUSIONES: Este estudio podría servir como una guía para que el médico evalúe y trate eficazmente la incontinencia fecal y el estreñimiento durante el seguimiento de los pacientes después de la cirugía de cáncer de recto. Se debe prestar más atención a la incontinencia fecal en pacientes con anastomosis por debajo de 4,5 cm y al estreñimiento en pacientes con anastomosis por encima de 9,5 cm. Consulte Video Resumen en http://links.lww.com/DCR/B858. (Traducción—Dr. Yazmin Berrones-Medina
Long-term Bowel Dysfunction and Decline in Quality of Life Following Surgery for Colon Cancer: Call for Personalized Screening and Treatment
No full textDifferences in long-term outcomes regarding types of colon resections are inconclusive, precluding patient counseling, effective screening, and personalized treatment. OBJECTIVE: This study aimed to compare long-term bowel function and quality of life in patients who underwent right or left hemicolectomy or sigmoid colon resection. DESIGN: This was a multicenter cross-sectional study. SETTINGS: Seven Dutch hospitals participated in this study. PATIENTS: This study included patients who underwent right or left hemicolectomy or sigmoid colon resection without construction of a permanent stoma between 2009 and 2015. Patients who were deceased, mentally impaired, or living abroad were excluded. Eligible patients were sent the validated Defecation and Fecal Continence and Short-Form 36 questionnaires. MAIN OUTCOME MEASURES: Constipation, fecal incontinence (both Rome IV criteria), separate bowel symptoms, and generic quality of life were the main outcomes assessed. RESULTS: This study included 673 patients who underwent right hemicolectomy, 167 who underwent left hemicolectomy, and 284 who underwent sigmoid colon resection. The median follow-up was 56 months. Sigmoid colon resection increased the likelihood of constipation compared to right and left hemicolectomy (OR, 2.92; 95% CI, 1.80–4.75; p < 0.001 and OR, 1.93; 95% CI, 1.12–3.35; p = 0.019). Liquid incontinence and fecal urgency increased after right hemicolectomy compared to sigmoid colon resection (OR, 2.15; 95% CI, 1.47–3.16; p < 0.001 and OR, 2.01; 95% CI, 1.47–2.74; p < 0.001). Scores on quality-of-life domains were found to be significantly lower after right hemicolectomy. LIMITATIONS: Because of the cross-sectional design, longitudinal data are still lacking. CONCLUSIONS: Different long-term bowel function problems occur after right or left hemicolectomy or sigmoid colon resection. The latter seems to be associated with more constipation than right or left hemicolectomy. Liquid incontinence and fecal urgency seem to be associated with right hemicolectomy, which may explain the decline in physical and mental generic quality of life of these patients. See Video Abstract at http://links.lww.com/DCR/C13. DISFUNCIÓN INTESTINAL A LARGO PLAZO Y DISMINUCIÓN DE LA CALIDAD DE VIDA DESPUÉS DE LA CIRUGÍA DE CÁNCER DE COLON: SOLICITUD DE DETECCIÓN Y TRATAMIENTO PERSONALIZADOS: ANTECEDENTES: Las diferencias en los resultados a largo plazo con respecto a los tipos de resecciones de colon no son concluyentes, lo que impide el asesoramiento preoperatorio del paciente y la detección eficaz y el tratamiento personalizado de la disfunción intestinal postoperatoria durante el seguimiento. OBJETIVO: Comparar la función intestinal a largo plazo y la calidad de vida en pacientes sometidos a hemicolectomía derecha o izquierda, o resección de colon sigmoide. DISEÑO: Estudio transversal multicéntrico. AJUSTES: Participaron siete hospitales holandeses. PACIENTES: Se incluyeron pacientes sometidos a hemicolectomía derecha o izquierda, o resección de colon sigmoide sin construcción de estoma permanente entre 2009 y 2015. Se excluyeron pacientes fallecidos, con discapacidad mental o residentes en el extranjero. A los pacientes elegibles se les enviaron los cuestionarios validados de Defecación y Continencia Fecal y Short-Form 36. PRINCIPALES MEDIDAS DE RESULTADO: Se evaluaron el estreñimiento, la incontinencia fecal (ambos criterios de Roma IV), los síntomas intestinales separados y la calidad de vida genérica. RESULTADOS: Se incluyeron 673 pacientes con hemicolectomía derecha, 167 con hemicolectomía izquierda y 284 con resección de colon sigmoide. La mediana de seguimiento fue de 56 meses (RIC 41-80). La resección del colon sigmoide aumentó la probabilidad de estreñimiento en comparación con la hemicolectomía derecha e izquierda (OR, 2,92, IC 95%, 1,80–4,75, p < 0,001 y OR 1,93, IC 95%, 1,12–3,35, p = 0,019). La incontinencia de líquidos y la urgencia fecal aumentaron después de la hemicolectomía derecha en comparación con la resección del colon sigmoide (OR, 2,15, IC 95%, 1,47–3,16, p < 0,001 y OR 2,01, IC 95%, 1,47–2,74, p < 0,001). Las puntuaciones en los dominios de calidad de vida fueron significativamente más bajas después de la hemicolectomía derecha. LIMITACIONES: Debido al diseño transversal, aún faltan datos longitudinales. CONCLUSIONES: Se producen diferentes problemas de función intestinal a largo plazo después de la hemicolectomía derecha o izquierda, o la resección del colon sigmoide. Este último parece estar asociado con más estreñimiento que la hemicolectomía derecha o izquierda. La incontinencia de líquidos y la urgencia fecal parecen estar asociadas a la hemicolectomía derecha, lo que puede explicar el deterioro de la calidad de vida física y mental en general de estos pacientes. Consulte Video Resumen en http://links.lww.com/DCR/C13. (Traducción—Dr. Yolanda Colorado
Using buckyballs to cut off light! Novel fullerene materials with unique optical transmission characteristics
No full textA simple rule governing the light transmission through a fullerene solution or solid is revealed, and a group of fullerene derivatives, glasses, and polymers are found to be able to continuously cut off lights of any wavelength in almost the entire UV and visible spectral region in a predictable and reliable manner. The solutions of aminated fullerenes 1-4 give structureless light transmission spectra well-resembling those of cutoff optical filters. The spectrum bathochromically moves with an increase in concentration (c), whose cutoff wavelength (lambda(c)) increases logarithmically with bc, i.e.,, lambda(c) = alpha log bc + k, where b is the path length and a and k are constants. The spectra are reproducible and stable, changing little over a long period of time. In the solutions, the fullerene molecules aggregate into nanoclusters and their average sizes increase with increasing concentration, suggesting that the formation and growth of the fullerene nanoaggregates are responsible for the concentratochromism. The chromic effects are also observed in the solid state: the transmission spectra of the fullerenated glasses and polymers 5-7 all red shift with increasing C-60 content. The spectrum of the parent polymer virtually does not vary with concentration, proving that the buckyball is the origin of the novel concentratochromism.Chemistry, PhysicalMaterials Science, MultidisciplinarySCI(E)EI11REVIEW234790-47981
UMUC's Presence at the 13th Sloan-C International Conference - DE Oracle
No full textDE Oracle @ UMUC
An Online Learning Magazine for UMUC Faculty
Center for Support of Instruction
UMUC's Presence at the 13th Sloan-C International Conference
Heloisa Siffert
Senior Instructional Support Specialist
Center for Support of Instruction
Published: January-February 2008
Category: » University-showcase » Papers-studies
UMUC made a remarkable presence at the 13th Sloan-C Conference that was held in Orlando, Florida,
November 7-9. The Sloan-C Consortium, which hosts the annual conference, is one of the fastest
growing and pre-eminent organizations dedicated to the growth and accessibility of online learning. The
total attendance of the 2007 conference was over 1200 people, representing college faculty and
administrators, instructional technology professionals and designers from various states and countries.
Relative to this year’s theme, The Power of Online Learning: Making a Difference, UMUC presenters
from various departments spoke on topics ranging from best instructional practices to faculty
development to emerging trends.
Below are the abstracts for all UMUC presentations:
International Perspectives on Online Learning
Nick Allen, ICDE (and UMUC Provost Emeritus); Armando Villarroel, CREAD; and Martine Vidal, EDEN
This panel presentation, provided perspectives on trends in online learning from three international
organizations: the Inter-American Distance Education Consortium (CREAD); the European Distance and
e-Learning Network (EDEN); and the International Council for Open and Distance Education (ICDE).
Developing Online Learning Objects to Support Positive Faculty-Student Interaction
Betsy Alperin, Laurie Hulcher, and Heloisa Siffert, UMUC
The limits of expression in the distance education environment can make positive faculty-student
interaction a challenge for even the most dedicated educators. This session showcased the
development of an online faculty workshop that uses a video case study model to strengthen and
support skills in this area. (power point presentation (http://www.ce.ucf.edu/asp/aln/cfp/presentations
/1191429990373.ppt) )
Competency Development in Blended and Online Business Learning Environments
Jomarie Bliss, Jane Ross, Jacob Krivoruchko, Lee Ann Graul and Frank Albritton, UMUC
UMUC's online MBA program features the integration of competencies into instruction, assignments and
feedback, as a key part of its innovative curriculum design. By emphasizing ten specific competencies,
faculty encourages students to connect classroom experiences with real-world skills and promote
increased collaboration, personal growth, and greater depth of learning. (power point presentation
(http://polaris.umuc.edu/de/csi/sloan_c/mba/Sloan%20Conference%20UMUC%20presentation%2011-07%20final.ppt) )
Creating a Multi-Cultural Online Classroom through Blogs, Wikis, and Connect
Richard Schumaker and Lisa Ellen Bernstein, UMUC
This presentation explored three new technologies that present diversity themes in an intellectually
rigorous and pedagogically sound fashion. The emphasis was at once theoretical and practical:
formulating key theoretical issues, as well as providing practical examples of successful examples in
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teaching diversity issues using new technologies. The presenters demonstrated the use of the UMUC
"Chaucer server," developed by Theo Stone.
E-learning to the Rescue: Cases in the United States, South Africa and Lebanon
Claudine SchWeber, UMUC, and Maureen Yoder, Lesley University
Sometimes e-learning is the best, and only, solution to unexpected developments or serious business
challenges. This session described cases in the United States, Lebanon, and South Africa,
demonstrating how e-learning provided opportunities for the education and business communities to
continue operations despite threats to their ability to function.
Learning Foreign Languages Online: UMUC's Innovative Approach
Gretchen Jones and Alana Fennie, UMUC
This session showcased the innovative approaches in designing online foreign language courses and the
technologies that support the design. The session outlined how UMUC adapted learning theories to
meet the needs of online educators and students. The session also demonstrated unique integration of
technology supporting the course design.
A Job Well Done!
Once again Sloan-C Conference was an extraordinary opportunity for UMUC faculty, instructional
technologists and administrators to share our experiences and practices with an international
community of distance learning educators. Let's acknowledge our presenters and their supporting
teams for the hard work well done. Great job, UMUC!
About the Author(s)
Heloisa Siffert Senior Instructional Support Specialist, Center for Support of Instruction, develops and delivers faculty training
programs, and collaborates with the academic units on online classroom setup, course design, learning objects development
and implementations of new technologies. Her areas of expertise include graphic design and web/multimedia development.
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