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1.
Otolaryngol Head Neck Surg ; 168(6): 1371-1380, 2023 06.
Artículo en Inglés | MEDLINE | ID: mdl-36939403

RESUMEN

OBJECTIVE: Defining a clinician's ability to perceptually identify mass from voice will inform the feasibility, design priorities, and performance standards for tools developed to screen for laryngeal mass from voice. This study defined clinician ability of and examined the impact of expertise on screening for laryngeal mass from voice. STUDY DESIGN: Task comparison study between experts and nonexperts rating voices for the probability of a laryngeal mass. SETTING: Online, remote. METHODS: Experts (voice-focused speech-language pathologists and otolaryngologists) and nonexperts (general medicine providers) rated 5-s/i/voice samples (with pathology defined by laryngoscopy) for the probability of laryngeal mass via an online survey. The intraclass correlation coefficient (ICC) estimated interrater and intrarater reliability. Diagnostic performance metrics were calculated. A linear mixed effects model examined the impact of expertise and pathology on ratings. RESULTS: Forty clinicians (21 experts and 19 nonexperts) evaluated 344 voice samples. Experts outperformed nonexperts, with a higher area under the curve (70% vs 61%), sensitivity (49% vs 36%), and specificity (83% vs 77%) (all comparisons p < .05). Interrater reliability was fair for experts and poor for nonexperts (ICC: 0.48 vs 0.34), while intrarater reliability was excellent and good, respectively (ICC: 0.9 and 0.6). The main effects of expertise and underlying pathology were significant in the linear model (p < .001). CONCLUSION: Clinicians demonstrate inadequate performance screening for laryngeal mass from voice to use auditory perception for dysphonia triage. Experts' superior performance indicates that there is acoustic information in a voice that may be utilized to detect laryngeal mass based on voice.


Asunto(s)
Disfonía , Voz , Humanos , Reproducibilidad de los Resultados , Calidad de la Voz , Disfonía/diagnóstico , Percepción Auditiva
2.
Laryngoscope ; 133(11): S1-S13, 2023 11.
Artículo en Inglés | MEDLINE | ID: mdl-36951573

RESUMEN

OBJECTIVES: To examine the otolaryngology residency selection process, including past experiences based on the medical literature and survey analysis of our present practices to generate recommendations for future selection system design. METHODS: A mixed-methods study, including a scoping review and a cross-sectional survey, was completed. Four databases were assessed for articles on otolaryngology residency selection published from January 1, 2016 through December 31, 2020. A 36-question survey was developed and distributed to 114 otolaryngology program directors. Descriptive and thematic analysis was performed. RESULTS: Ultimately, 67 of 168 articles underwent data abstraction and assessment. Three themes surfaced during the analysis: effectiveness, efficiency, and equity. Regarding the survey, there were 62 participants (54.4% response rate). The three most important goals for the selection process were: (1) to fit the program culture, (2) to make good colleagues, and (3) to contribute to the program's diversity. The three biggest 'pain points' were as follows: (1) Large volume of applications, (2) Lack of reliable information about personal characteristics, and (3) Lack of reliable information about a genuine interest in the program. CONCLUSIONS: Within this study, the depth and breadth of the literature on otolaryngology residency selection have been synthesized. Additionally, baseline data on selection practices within our specialty has been captured. With an informed understanding of our past and present, we can look to the future. Built upon the principles of person-environment fit theory, our proposed framework can guide research and policy discussions regarding the design of selection systems in otolaryngology, as we work to achieve more effective, efficient, and equitable outcomes. LEVEL OF EVIDENCE: N/A Laryngoscope, 133:2929-2941, 2023.


Asunto(s)
Internado y Residencia , Otolaringología , Humanos , Estudios Transversales , Otolaringología/educación , Selección de Personal , Encuestas y Cuestionarios
3.
Laryngoscope ; 133(10): 2558-2563, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-36794674

RESUMEN

OBJECTIVES: Racial, ethnic, and gender disparities in the otolaryngology-head and neck surgery (OHNS) match have been described individually, but not intersectionally. Intersectionality recognizes how multiple forms of discrimination (e.g., sexism, racism) can have a combined effect. The objective of this study was to analyze racial, ethnic, and gender disparities in the OHNS match using an intersectional approach. METHODS: Cross-sectional evaluation of data from otolaryngology applicants from the Electronic Residency Application Service (ERAS) and of corresponding otolaryngology residents from the Accreditation Council for Graduate Medical Education (ACGME) from 2013 to 2019. Data were stratified by race, ethnicity, and gender. The Cochran-Armitage tests assessed trends over time in the proportions of applicants and corresponding residents. Chi-square tests with Yates' continuity correction were performed to evaluate differences between the aggregate proportions of applicants and corresponding residents. RESULTS: The proportion of White men in the resident pool was increased compared to the applicant pool (ACGME 0.417, ERAS 0.375; Δ + 0.042; 95% CI 0.012 to 0.071; p = 0.03). This was also the case for White women (ACGME 0.206, ERAS 0.175; Δ + 0.031; 95% CI 0.007 to 0.055; p = 0.05). In contrast, there was a smaller proportion of residents compared to applicants among Multiracial men (ACGME 0.014, ERAS 0.047; Δ - 0.033; 95% CI -0.043 to -0.023; p < 0.001) and Multiracial women (ACGME 0.010, ERAS 0.026; Δ - 0.016; 95% CI -0.024 to -0.008; p < 0.001). CONCLUSION: The findings of this study imply that White men have a persistent advantage, while several racial, ethnic, and gender minorities are disadvantaged in the OHNS match. Further research is necessary to examine why these differences exist in residency selection, including evaluation during the screening, reviewing, interviewing, and ranking stages. Laryngoscope, 133:2558-2563, 2023.


Asunto(s)
Internado y Residencia , Otolaringología , Masculino , Humanos , Femenino , Estados Unidos , Etnicidad , Estudios Transversales , Marco Interseccional , Educación de Postgrado en Medicina , Otolaringología/educación
5.
OTO Open ; 6(3): 2473974X221113847, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35923218

RESUMEN

Increasing diversity in the physician workforce is important to improving racial and ethnic disparities in health outcomes in the United States. We describe the implementation of a "distance traveled" question (DTQ) in our residency application process. For the 2021-2022 cycle, all applicants to the University of Washington otolaryngology residency program were allowed to complete an optional DTQ. Responses were shared with the application review committee. Following the distribution of interview invites, an anonymous survey was sent to all faculty reviewers. The response rate was 26 of 36 (72%). Among respondents, 20 (77%) felt that the DTQ helped them learn something new about the applicant, and 19 (73%) reported that the DTQ influenced their decision making about the applicant. Thus, a DTQ may provide faculty with new and influential information regarding residency applicants.

7.
Am J Surg ; 224(1 Pt B): 612-616, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35361472

RESUMEN

BACKGROUND: Due to the COVID-19 pandemic, medical schools were forced to adapt clinical curricula. The University of Washington School of Medicine created a hybrid in person and virtual general surgery clerkship. METHODS: The third year general surgery clerkship was modified to a 4-week in person and 2-week virtual clerkship to accommodate the same number of learners in less time. All students completed a survey to assess the impact of the virtual clerkship. RESULTS: The students preferred faculty lectures over national modules in the virtual clerkship. 58.6% indicated they would prefer the virtual component before the in-person experience. There was no change from previous years in final grades or clerkship exam scores after this hybrid curriculum. CONCLUSIONS: If the need for a virtual general surgery curriculum arises again in the future, learners value this experience at the beginning of the clerkship and prefer faculty lectures over national modules.


Asunto(s)
COVID-19 , Prácticas Clínicas , Educación de Pregrado en Medicina , Cirugía General , Estudiantes de Medicina , COVID-19/epidemiología , Curriculum , Cirugía General/educación , Humanos , Pandemias
9.
Ann Otol Rhinol Laryngol ; 130(10): 1148-1155, 2021 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-33641434

RESUMEN

OBJECTIVE: To describe the surgical technique of navigation-guided nasal osteotomies and assess feasibility of this technique for treating complex nasal bone deformities in reconstructive rhinoplasty. METHODS: A retrospective chart review was performed in order to identify patients who underwent computer-aided rhinoplasty from August 2014 to February 2017. Inclusion criteria were nasal bone deformities on computed-tomography (CT) that correlated with specific nasal complaints. All patients underwent computer-aided rhinoplasty with navigation-guided nasal osteotomies using a standard navigation system. Osteotomies were performed using real-time visualization on the navigation screen. Additional soft tissue procedures were performed as needed. Medical records were reviewed for presenting symptoms, radiologic and operative findings, and postoperative course. Cosmetic outcomes were subjectively based on patients' standard 6-view photo-documentation from pre- and post-operative timepoints. RESULTS: Twenty-one patients were included in the study; 8 were revision cases and 3 had mild-to-moderate hemifacial microsomia. Fifteen were completely closed procedures. No cases were opened because of inadequate visualization or difficulty accessing bony pathology. Mean (range) follow up was 98.6 (6-559) days. There were no intra-operative complications, unplanned admissions or re-admissions, or iatrogenic cosmetic complications (ie, "inverted V" or "saddle nose" deformities). Two patients required revision. One was after suffering nasal trauma within 4 weeks of initial rhinoplasty. The second underwent further correction of a deformity that required a costochondral graft. Both experienced good final results. CONCLUSIONS: Computer-aided rhinoplasty is safe and feasible for treating complex nasal deformities using standard navigation systems.


Asunto(s)
Hueso Nasal/cirugía , Enfermedades Nasales/cirugía , Osteotomía/métodos , Rinoplastia/métodos , Cirugía Asistida por Computador/métodos , Tomografía Computarizada por Rayos X/métodos , Adolescente , Femenino , Humanos , Masculino , Hueso Nasal/diagnóstico por imagen , Enfermedades Nasales/diagnóstico , Satisfacción del Paciente , Proyectos Piloto , Adulto Joven
10.
J Grad Med Educ ; 13(6): 841-847, 2021 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-35070097

RESUMEN

BACKGROUND: Specialty-specific gender disparities are multifactorial, yet one area that is lacking from this discussion is the impact of recruitment and selection. OBJECTIVE: Customized data reports were utilized to compare trends in the gender representation of applicants and residents within 11 surgical and medical specialties between 2013 and 2018. METHODS: Applicant data was obtained from the Electronic Residency Application Service (ERAS) and resident data from the Accreditation Council for Graduate Medical Education (ACGME). Eleven specialties with the highest number of applications per applicant were included (dermatology, emergency medicine, general surgery, neurological surgery, obstetrics and gynecology [OB/GYN], orthopedic surgery, otolaryngology, plastic surgery, radiation oncology, radiology, urology). A Cochran-Armitage trend test assessed for changes in the proportion of females within the total applicant group and the corresponding matched resident group. A t test was utilized to compare the mean proportion of females for ERAS and ACGME data. RESULTS: Otolaryngology, plastic surgery, radiation oncology, and urology had no significant changes over the study period. Dermatology, general surgery, and orthopedic surgery demonstrated increased gender diversity in applicants over time, while OB/GYN demonstrated decreased gender diversity. General surgery and neurological surgery showed increased gender diversity in resident representation over time. Emergency medicine and radiology had increased gender diversity, and OB/GYN had decreased gender diversity in matched residents compared to applicants. CONCLUSIONS: Our findings provide baseline data, but also illustrate evident gaps in our understanding and attempts to improve gender diversity. A multifaceted approach to obtaining and assessing data from all stages of residency recruitment and selection is necessary to support these efforts.


Asunto(s)
Ginecología , Internado y Residencia , Obstetricia , Acreditación , Educación de Postgrado en Medicina , Femenino , Humanos
11.
J Med Educ Curric Dev ; 7: 2382120520965254, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-33195802

RESUMEN

BACKGROUND: Lesbian, gay, bisexual, transgender, and queer (LGBTQ) individuals face considerable health disparities, often due to a lack of LGBTQ-competent care. Such disparities and lack of access to informed care are even more staggering in rural settings. As the state medical school for the Washington, Wyoming, Alaska, Montana, and Idaho (WWAMI) region, the University of Washington School of Medicine (UWSOM) is in a unique position to train future physicians to provide healthcare that meets the needs of LGBTQ patients both regionally and nationally. OBJECTIVE: To describe our methodology of developing a student-driven longitudinal, region-wide curriculum to train medical students to provide high-quality care to LGBTQ patients. METHODS: A 4-year LGBTQ Health Pathway was developed and implemented as a student-led initiative at the UWSOM. First- and second-year medical students at sites across the WWAMI region are eligible to apply. Accepted Pathway students complete a diverse set of pre-clinical and clinical components: online modules, didactic courses, longitudinal community service/advocacy work, a scholarly project, and a novel clinical clerkship in LGBTQ health developed specifically for this Pathway experience. Students who complete all requirements receive a certification of Pathway completion. This is incorporated into the Medical Student Performance Evaluation as part of residency applications. RESULTS: The LGBTQ Health Pathway is currently in its fourth year. A total of 43 total students have enrolled, of whom 37.3% are based in the WWAMI region outside of Seattle. Pathway students have completed a variety of scholarly projects on LGBTQ topics, and over 1000 hours of community service/advocacy. The first cohort of 8 students graduated with a certificate of Pathway completion in spring 2020. CONCLUSIONS: The LGBTQ Health Pathway at UWSOM is a novel education program for motivated medical students across the 5-state WWAMI region. The diverse milestones, longitudinal nature of the program, focus on rural communities, and opportunities for student leadership are all strengths and unique aspects of this program. The Pathway curriculum and methodology described here serve as a model for student involvement and leadership in medical education. This program enables medical students to enhance their training in the care of LGBTQ patients and provides a unique educational opportunity for future physicians who strive to better serve LGBTQ populations.

13.
Otolaryngol Head Neck Surg ; 161(5): 787-795, 2019 11.
Artículo en Inglés | MEDLINE | ID: mdl-31335269

RESUMEN

OBJECTIVE: To examine if attending surgeon presence at the preinduction briefing is associated with a shorter time to incision. STUDY DESIGN: Retrospective cohort study and survey. SETTING: Tertiary academic medical center. SUBJECTS AND METHODS: A retrospective cohort study was conducted of 22,857 operations by 141 attending surgeons across 12 specialties between August 3, 2016, and June 21, 2018. The independent variable was attending surgeon presence at the preinduction briefing. Linear regression models compared time from room entry to incision overall, by service line, and by surgeon. We hypothesized a shorter time to incision when the attending surgeon was present and a larger effect for cases with complex surgical equipment or positioning. A survey was administered to evaluate attending surgeons' perceptions of the briefing, with a response rate of 68% (64 of 94 attending surgeons). RESULTS: Cases for which the attending surgeon was present at the preinduction briefing had a statistically significant yet operationally minor reduction in mean time to incision when compared with cases when the attending surgeon was absent. After covariate adjustment, the mean time to incision was associated with an efficiency gain of 1.8 ± 0.5 minutes (mean ± SD; P < .001). There were no statistically significant differences in the subgroups of complex surgical equipment and complex positioning or in secondary analysis comparing service lines. The surgeon was the strongest confounding variable. Survey results demonstrated mild support: 55% of attending surgeons highly prioritized attending the preinduction briefing. CONCLUSION: Attending surgeon presence at the preinduction briefing has only a minor effect on efficiency as measured by time to incision.


Asunto(s)
Eficiencia , Quirófanos , Procedimientos Quirúrgicos Otorrinolaringológicos , Rol del Médico , Periodo Preoperatorio , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Masculino , Persona de Mediana Edad , Tempo Operativo , Estudios Retrospectivos , Cirujanos , Adulto Joven
14.
J Grad Med Educ ; 11(1): 30-35, 2019 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-30805093

RESUMEN

BACKGROUND: The residency match process for competitive specialties hinders programs' ability to holistically review applications. OBJECTIVE: A computer simulation model of the residency application process was created to test the hypotheses that (1) it is advantageous to medical students to apply to the maximum number of programs under the current system, and (2) including a medical student's residency program preferences at the beginning of the application process improves the efficiency of the system for applicants and programs as quantified by the number of interview invitations received. METHODS: The study was conducted in 2016 using 2014 Otolaryngology Match data. A computer model was created to perform simulations for multiple scenarios to test the hypotheses. Students were assigned scores representing easy and hard metrics and program preferences, simulating a mixture of individual student preference and general program popularity. RESULTS: We modeled a system of 99 otolaryngology residency programs with 292 residency spots and 460 student applicants. While it was individually advantageous for an applicant to apply to the maximum number of programs, this led to a poor result for the majority of students when all applicants undertook the strategy. The number of interview invitations improved for most applicants when preference was revealed. CONCLUSIONS: Offering applicants an option to provide program preference improves the practical number of interview invitations. This enables programs to review applicants holistically-instead of using single parameters such as United States Medical Licensing Examination scores-which facilitates a selection of applicants who will be successful in residency.


Asunto(s)
Simulación por Computador , Internado y Residencia , Otolaringología/educación , Selección de Personal/métodos , Educación de Postgrado en Medicina , Humanos , Encuestas y Cuestionarios , Estados Unidos
15.
Laryngoscope ; 129(9): 2031-2035, 2019 09.
Artículo en Inglés | MEDLINE | ID: mdl-30548863

RESUMEN

OBJECTIVES: To determine the proportion and relative advancement of women in leadership positions at high-impact otolaryngology journals. METHODS: Nine clinical otolaryngology journals were selected based on high impact factor and subspecialty representation (journal impact factor, 2016: 1.16-2.95). The proportion of women editorial board members associate and/or section editors, and/or editor-in-chief was measured from 1997 to 2017. Comparisons were made to the proportion of women otolaryngology faculty at U.S. medical schools in 2017. RESULTS: From 1997 to 2017, female editorial board membership increased from 7.2% (range: 0.0%-12.8%) to 17.7% (range: 10.9%-38.9%) (P = 0.0001). In 2017, the proportion of female editorial board members was significantly less than the proportion of female academic otolaryngology faculty (17.7% vs. 27.7%, P = 0.0001), and there was threefold variation between journals. From 1997 to 2017, the proportion of female associate and/or section editors increased from 9.3% (range: 0.0-27.3) to 20.9% (range: 5.3% to 45.5%) (P = 0.09). In 2017, the proportion of female associate and/or section editors was not significantly different than the proportion of female associate or full professor academic otolaryngology faculty (20.9% vs. 19.5%, P = 0.73), but there was ninefold variation between journals. CONCLUSION: Women were underrepresented on eight of nine otolaryngology editorial boards but appropriately represented at the associate and/or section editorship level. There was remarkable variation in representation at individual journals, which may provide future opportunities to examine best practices. Disparity exists in leadership at the most senior level of these high-profile otolaryngology journals: none had women editor-in-chiefs. LEVEL OF EVIDENCE: NA Laryngoscope, 129:2031-2035, 2019.


Asunto(s)
Liderazgo , Otolaringología/organización & administración , Publicaciones Periódicas como Asunto/tendencias , Médicos Mujeres/tendencias , Consejos de Especialidades/organización & administración , Femenino , Humanos
16.
AMIA Annu Symp Proc ; 2018: 330-339, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-30815072

RESUMEN

Clinical informatics makes use of anatomical representation-particularly in the form of anatomical terms. But differences and ambiguities in naming anatomical structures and partitioning the body can complicate efforts to interlink anatomical resources and integrate clinical data. To better understand differences in representations of human anatomy, we compare five digital resources: a formal ontology, a terminology, and three 3D graphics applications. Because the graphics applications offer explicit representation of the boundaries and partitions of anatomical structures, they reveal the differences in modeling of anatomy that may not be apparent through text-based representations. The variations in these resources allow us to categorize differences in representations of anatomy and to highlight the importance of this topic in the context of clinical informatics.


Asunto(s)
Anatomía , Informática Médica , Terminología como Asunto , Vocabulario Controlado , Adulto , Humanos , Integración de Sistemas
17.
J Neurol Surg B Skull Base ; 78(6): 490-496, 2017 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-29134168

RESUMEN

Background Most existing objective surgical motion analysis schemes are limited to structured surgical tasks or recognition of motion patterns for certain categories of surgeries. Analyzing instrument motion data with respect to anatomical structures can break the limit, and an anatomical region segmentation algorithm is required for the analysis. Methods An atlas was generated by manually segmenting the skull base into nine regions, including left/right anterior/posterior ethmoid sinuses, frontal sinus, left and right maxillary sinuses, nasal airway, and sphenoid sinus. These regions were selected based on anatomical and surgical significance in skull base and sinus surgery. Six features, including left and right eye center, nasofrontal beak, anterior tip of nasal spine, posterior edge of hard palate at midline, and clival body at foramen magnum, were used for alignment. The B-spline deformable registration was adapted to fine tune the registration, and bony boundaries were automatically extracted for final precision improvement. The resultant deformation field was applied to the atlas, and the motion data were clustered according to the deformed atlas. Results Eight maxillofacial computed tomography scans were used in experiments. One was manually segmented as the atlas. The others were segmented by the proposed method. Motion data were clustered into nine groups for every dataset and outliers were filtered. Conclusions The proposed algorithm improved the efficiency of motion data clustering and requires limited human interaction in the process. The anatomical region segmentations effectively filtered out the portion of motion data that are out of surgery sites and grouped them according to anatomical similarities.

18.
JAMA Facial Plast Surg ; 19(3): 225-231, 2017 May 01.
Artículo en Inglés | MEDLINE | ID: mdl-28152148

RESUMEN

IMPORTANCE: Despite common goals of frontal sinus fracture treatment (restoring forehead contour and creating a safe sinus), there remains significant variability in evaluation and treatment. OBJECTIVE: To describe our experience with a minimally disruptive treatment protocol for the treatment of frontal sinus fractures. DESIGN, SETTING, AND PARTICIPANTS: Analysis of prospectively collected data from 2010 through 2015 at a level 1 trauma center. All patients with frontal sinus fractures treated with our protocol from January 2010 to December 2015. Patients with poor follow-up and/or incomplete medical records were excluded from analysis. MAIN OUTCOMES AND MEASURES: Presence of an aerated frontal sinus and aesthetically acceptable forehead contour. Secondary outcome measures were complications related to frontal sinus fractures. RESULTS: A total of 39 patients were treated under our minimally disruptive protocol, and 25 patients were included in the study; 18 (72%) were male and 7 (28%) were female. Their ages ranged from 6 to 62 years. After review, 22 patients had both clinical and radiographic follow-up. No patients underwent immediate frontal sinus repair. Five of 22 patients underwent surgery for indications other than their frontal sinus fracture: 1 of 5 patients underwent immediate surgical repair due to bilateral LeFort fractures, and 4 of 5 underwent delayed surgery due to nasal polyps (1 patient), scar revision (1 patient), and concomitant LeFort fractures (2 patients). Two of 22 patients (9%) underwent frontal sinus repair after outpatient surveillance due to persistent cerebrospinal fluid leak (1 patient) and orbital roof fracture (1 patient). The remaining 20 patients were treated nonoperatively, and 19 of 20 (95%) had spontaneous improvement in opacification and/or contour deformity. Twelve of 20 patients (60%) had improvement or resolution in both. One patient had ongoing partial opacification and deformity at the 3-month follow-up but was asymptomatic and had bony contour that was aesthetically acceptable to the patient. There were no complications. The median of all follow-up was 3 months. CONCLUSIONS AND RELEVANCE: Frontal sinus fractures treated nonoperatively had a high rate of spontaneous ventilation and bony autoreduction with aesthetically acceptable frontal bone remodeling. There were no complications in the nonoperative group. The initial results of this study support further study of the safety and efficacy of a minimally disruptive protocol for frontal sinus fractures. LEVEL OF EVIDENCE: 4.


Asunto(s)
Seno Frontal/lesiones , Fracturas Craneales/terapia , Adolescente , Adulto , Niño , Protocolos Clínicos , Endoscopía/métodos , Estética , Femenino , Humanos , Masculino , Persona de Mediana Edad , Procedimientos Quirúrgicos Mínimamente Invasivos , Pronóstico , Estudios Prospectivos , Fracturas Craneales/complicaciones , Fracturas Craneales/cirugía , Centros Traumatológicos , Resultado del Tratamiento
19.
Stud Health Technol Inform ; 245: 634-638, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-29295173

RESUMEN

Radiation therapy allows precision targeting of certain groups of lymph nodes and is a treatment for metastatic head and neck squamous cell carcinoma. In current practice, there is approximately 15% probability that physicians inadvertently treat healthy tissue or leave the cancerous lymph nodes untreated. The aim of this work is to improve the accuracy of medical decision-making by extending existing predictive models to capture the probabilities of finding cancerous lymph nodes at each of the six image-based surgical neck level using a patient's genetic profile, primary tumor site and tumor size. Our model was trained with publicly available data extracted from the Cancer Genome Atlas (TCGA) and validated against the TCGA dataset both with and without genetic information. Results show that genetic profile data improves model accuracy. These findings suggest that our predictive model may improve the accuracy of clinical decision-making, especially for patients with more advanced metastasis. However, more data is needed to ensure significance of the proposed effects, as well as to improve accuracy of the overall model.


Asunto(s)
Carcinoma de Células Escamosas/genética , Neoplasias de Cabeza y Cuello/genética , Transcriptoma , Teorema de Bayes , Carcinoma de Células Escamosas/diagnóstico , Carcinoma de Células Escamosas/terapia , Neoplasias de Cabeza y Cuello/diagnóstico , Neoplasias de Cabeza y Cuello/terapia , Humanos , Ganglios Linfáticos , Metástasis Linfática , Cuello
20.
JCI Insight ; 1(14): e88856, 2016 Sep 08.
Artículo en Inglés | MEDLINE | ID: mdl-27660822

RESUMEN

Infantile hemangioma (IH) is the most common vascular tumor of infancy, and it uniquely regresses in response to oral propranolol. MicroRNAs (miRNAs) have emerged as key regulators of vascular development and are dysregulated in many disease processes, but the role of miRNAs in IH growth has not been investigated. We report expression of C19MC, a primate-specific megacluster of miRNAs expressed in placenta with rare expression in postnatal tissues, in glucose transporter 1-expressing (GLUT-1-expressing) IH endothelial cells and in the plasma of children with IH. Tissue or circulating C19MC miRNAs were not detectable in patients having 9 other types of vascular anomalies or unaffected children, identifying C19MC miRNAs as the first circulating biomarkers of IH. Levels of circulating C19MC miRNAs correlated with IH tumor size and propranolol treatment response, and IH tissue from children treated with propranolol or from children with partially involuted tumors contained lower levels of C19MC miRNAs than untreated, proliferative tumors, implicating C19MC miRNAs as potential drivers of IH pathogenesis. Detection of C19MC miRNAs in the circulation of infants with IH may provide a specific and noninvasive means of IH diagnosis and identification of candidates for propranolol therapy as well as a means to monitor treatment response.

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