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https://www.readbyqxmd.com/read/28299273/guidelines-for-patient-specific-jawline-definition-with-titanium-implants-in-esthetic-deformity-and-malformation-surgery
#1
Maurice Yves Mommaerts
CONTEXT: Asymmetry and unfavorable esthetics of the jawline have become possible to correct in three dimensions using computer aided design and computer aided manufacturing. AIMS: The aim of this study was to provide esthetic, technical, and operative guidelines for mandibular angle and border augmentation using patient-specific titanium implants made by selective laser melting. SETTINGS AND DESIGN: University hospital - prospective registry...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28277333/voice-outcomes-for-early-laryngeal-cancer
#2
Andrew J Kinshuck, Aditya Shenoy, Terry M Jones
PURPOSE OF REVIEW: Treatment options for early laryngeal cancer are well established with good local control and 5-year survival. The commonest treatments are radiotherapy or transoral laser microsurgery (TLM). There are advantages and disadvantages of the different modalities, but debate continues regarding the voice outcomes posttreatment. This review will focus on early glottic carcinoma and voice outcomes following the different treatments. RECENT FINDINGS: TLM and radiotherapy are both likely to affect voice quality, but the extent of voice change depends on different factors...
March 8, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28269440/novel-modular-2-dof-microsurgical-forceps-for-transoral-laser-microsurgeries-ergonomic-design-and-preliminary-evaluation
#3
Manish Chauhan, Giacinto Barresi, Nikhil Deshpande, Darwin G Caldwell, Leonardo S Mattos
Transoral Laser Microsurgeries (TLM) demand a great level of control and precision in intraoperative tissue manipulation. The optimal eradication of the diseased tissue is possible only with coordinated control of the laser aiming for incision and the microsurgical tools for orienting and stretching the tissue. However, the traditional microsurgical tools are long, single purpose, one degree-of-freedom (DOF), rigid tools with small range of motion and a normal grasping handle inducing non-ergonomic usage. This paper presents a novel, modular microsurgical tool to overcome the challenges of the traditional tools and improve the surgeon-tool usage experience...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269426/robot-assisted-microsurgical-forceps-with-haptic-feedback-for-transoral-laser-microsurgery
#4
Nikhil Deshpande, Manish Chauhan, Claudio Pacchierotti, Domenico Prattichizzo, Darwin G Caldwell, Leonardo S Mattos
In this paper, a novel, motorized, multi-degrees-of-freedom (DoF), microsurgical forceps tool is presented, which is based on a master-slave teleoperation architecture. The slave device is a 7-DoF manipulator with: (i) 6-DoF positioning and orientation, (ii) 1 open/close gripper DoF; and (iii) an integrated force/torque sensor for tissue grip-force measurement. The master device is a 7-DoF haptic interface which teleoperates the slave device, and provides haptic feedback in its gripper interface. The combination of the device and the surgeon interface replaces the manual, hand-held device providing easy-to-use and ergonomic tissue control, simplifying the surgical tasks...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28252821/transoral-laser-microsurgery-or-total-laryngectomy-for-recurrent-squamous-cell-carcinoma-of-the-larynx-retrospective-analysis-of-199-cases
#5
Bernhard G Weiss, Mattis Bertlich, Martin Canis, Friedrich Ihler
BACKGROUND: Surgical treatment options for local recurrences of laryngeal cancer can be either organ-preserving surgery or total laryngectomy. The purpose of this study was to present our evaluation of the treatment with transoral laser microsurgery (TLM) in comparison to laryngectomy. METHODS: We conducted a retrospective review of 199 consecutive patients with recurrent laryngeal cancer at 1 tertiary referral center. RESULTS: The 5-year overall survival, disease-specific survival, and local control rates were 64...
March 2, 2017: Head & Neck
https://www.readbyqxmd.com/read/28227686/novel-modular-2-dof-microsurgical-forceps-for-transoral-laser-microsurgeries-ergonomic-design-and-preliminary-evaluation
#6
Manish Chauhan, Giacinto Barresi, Nikhil Deshpande, Darwin G Caldwell, Leonardo S Mattos, Manish Chauhan, Giacinto Barresi, Nikhil Deshpande, Darwin G Caldwell, Leonardo S Mattos, Darwin G Caldwell, Giacinto Barresi, Leonardo S Mattos, Nikhil Deshpande, Manish Chauhan
Transoral Laser Microsurgeries (TLM) demand a great level of control and precision in intraoperative tissue manipulation. The optimal eradication of the diseased tissue is possible only with coordinated control of the laser aiming for incision and the microsurgical tools for orienting and stretching the tissue. However, the traditional microsurgical tools are long, single purpose, one degree-of-freedom (DOF), rigid tools with small range of motion and a normal grasping handle inducing non-ergonomic usage. This paper presents a novel, modular microsurgical tool to overcome the challenges of the traditional tools and improve the surgeon-tool usage experience...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227672/robot-assisted-microsurgical-forceps-with-haptic-feedback-for-transoral-laser-microsurgery
#7
Nikhil Deshpande, Manish Chauhan, Claudio Pacchierotti, Domenico Prattichizzo, Darwin G Caldwell, Leonardo S Mattos, Nikhil Deshpande, Manish Chauhan, Claudio Pacchierotti, Domenico Prattichizzo, Darwin G Caldwell, Leonardo S Mattos, Darwin G Caldwell, Leonardo S Mattos, Nikhil Deshpande, Domenico Prattichizzo, Manish Chauhan, Claudio Pacchierotti
In this paper, a novel, motorized, multi-degrees-of-freedom (DoF), microsurgical forceps tool is presented, which is based on a master-slave teleoperation architecture. The slave device is a 7-DoF manipulator with: (i) 6-DoF positioning and orientation, (ii) 1 open/close gripper DoF; and (iii) an integrated force/torque sensor for tissue grip-force measurement. The master device is a 7-DoF haptic interface which teleoperates the slave device, and provides haptic feedback in its gripper interface. The combination of the device and the surgeon interface replaces the manual, hand-held device providing easy-to-use and ergonomic tissue control, simplifying the surgical tasks...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28193302/outcomes-of-transoral-laser-microsurgical-management-of-t1b-stage-glottic-cancer
#8
J A Song, M H Rigby, J Trites, R D Hart, S M Taylor
OBJECTIVE: This study aimed to evaluate the oncological and voice outcomes of transoral laser microsurgery for tumour stage T1b stage glottic cancer patients. METHODS: A prospective cohort study in a tertiary care head and neck cancer centre included tumour-node-metastasis stage T1bN0M0 glottic cancer patients scheduled to undergo transoral laser microsurgery from January 2002 until June 2014. Kaplan-Meier five-year analyses of local control, overall survival, disease-specific survival and laryngeal preservation were performed...
February 14, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28190450/transoral-laser-microsurgery-as-standard-approach-to-hypopharyngeal-cancer-survival-analysis-in-a-hospital-based-population
#9
Eduardo Breda, Raquel Catarino, Eurico Monteiro
OBJECTIVE: Cancer of the hypopharynx remains one of the most challenging chapters in head and neck oncology. The objective of this study is to ascertain the relevance of a transoral laser approach as a valid functional option for treatment of cancer of the hypopharynx in Portugal, and additionally, to confirm the reproducibility of survival and functional outcomes described in other reference centers. SUBJECTS AND METHODS: The outcomes of 37 out of 60 patients presenting hypopharyngeal carcinoma primarily treated by TLM (transoral laser microsurgery) and neck dissection and or adjuvant treatment when needed, with curative intention in tertiary referral center, were retrospectively evaluated and compared with published results...
February 10, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28177327/functional-outcomes-of-supraglottic-squamous-cell-carcinoma-treated-by-transoral-laser-microsurgery-compared-with-horizontal-supraglottic-laryngectomy-in-patients-younger-and-older-than-65-years
#10
C M Chiesa Estomba, F A Betances Reinoso, A I Lorenzo Lorenzo, J L Fariña Conde, J Araujo Nores, C Santidrian Hidalgo
The treatment of supraglottic carcinoma remains a controversial issue. Five accepted surgical and non-surgical oncological treatments have been currently established: standard horizontal supraglottic laryngectomy (HSL), supraglottic CO2 laser microsurgery (TLM), transoral robotic surgery, radiotherapy alone and radiotherapy in combination with chemotherapy. Some studies have shown that complications of head and neck surgeries increase significantly in patients over 65 years compared to younger patients. We designed a retrospective analysis to assess the rate of complications and functional outcomes of patients treated by TLM and HSL in cases of T1-T3 supraglottic squamous cell carcinomas (SCC) in a tertiary University Hospital...
December 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28154767/subglottic-metastatic-rectal-adenocarcinoma-a-specialist-multidisciplinary-airway-team-approach-for-optimized-voice-and-airway-outcome
#11
Richard Heyes, Ramkishan Balakumar, Krishan Ramdoo, Taran Tatla
A 56-year-old female with a background of metastatic rectal adenocarcinoma presented with a subglottic mass causing biphasic stridor. Transoral laser microsurgery and the use of fibrin glue prevented the need for tracheostomy. Six months postoperatively there was no evidence of recurrence. Laryngeal metastasis of colorectal adenocarcinoma, although remarkably rare, is perhaps more prevalent than commonly perceived and the presence of laryngeal symptoms in a patient with colorectal adenocarcinoma should raise concern...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28110846/prognostic-role-of-margin-status-in-open-and-co2-laser-cordectomy-for-t1a-t1b-glottic-cancer
#12
Vincenzo Landolfo, Carmine Fernando Gervasio, Giuseppe Riva, Massimiliano Garzaro, Rita Audisio, Giancarlo Pecorari, Roberto Albera
INTRODUCTION: Cordectomy by laringofissure and transoral laser surgery has been proposed for the treatment of early glottic cancer. OBJECTIVES: The aim of this retrospective study was to evaluate the prognostic value of margin status in 162 consecutive cases of early glottic carcinoma (Tis-T1) treated with CO2 laser endoscopic surgery (Group A) or laryngofissure cordectomy (Group B), and to compare the oncologic and functional results. METHODS: Clinical prognostic factors, local recurrence rate according to margin status, overall survival and disease-free survival were analyzed...
December 24, 2016: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28106661/swallowing-after-transoral-surgery-for-oropharyngeal-cancer-comparison-with-primary-chemoradiotherapy-outcomes
#13
Nicholas Dawe, James O'Hara
PURPOSE OF REVIEW: Survival equipoise is recognized between the contemporary surgical and oncological approaches to oropharyngeal squamous cell carcinoma treatment. Primary transoral surgery (TOS) options have emerged that utilize either laser or robotic techniques. Our review presents an overview of the evidence available for swallowing outcomes following TOS approaches and compares these with outcomes following primary oncological management. RECENT FINDINGS: Meta-analysis of swallow outcomes following TOS or (chemo)radiotherapy is not possible given the heterogeneity of the available data...
January 18, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28106658/transoral-surgery-vs-intensity-modulated-radiotherapy-for-early-supraglottic-cancer-a-systematic-review
#14
Mark S Swanson, Garren Low, Uttam K Sinha, Niels Kokot
PURPOSE OF REVIEW: To provide clinicians with a critical review of outcomes for endolaryngeal surgery and intensity-modulated radiation therapy (IMRT) for early-stage supraglottic cancer. RECENT FINDINGS: A total of 971 potential articles were reviewed, with inclusion of 14 studies comparing IMRT with transoral surgery. One study analyzed IMRT, one transoral robotic surgery, and the remaining were transoral laser microsurgery studies. A weighted average and 95% confidence interval of all surgery patients showed a local control of 90...
January 18, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28069084/transoral-laser-resection-of-glottic-carcinoma-what-is-the-significance-of-anterior-commissure-involvement
#15
K A Stephenson, J J Fagan
BACKGROUND: The optimal management of glottic carcinoma involving the anterior commissure is controversial. METHOD: A retrospective analysis was conducted of 76 patients with glottic squamous cell carcinoma treated by transoral carbon dioxide laser resection by a single surgeon. RESULTS: Sixty-three patients (with tumour stage Tis-T3) were eligible for inclusion. Thirty patients had involvement of the anterior commissure; these patients were significantly more likely to have either uncertain or positive margins (63...
February 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28032684/timing-of-neck-dissection-in-association-with-transoral-surgery-a-systematic-review
#16
REVIEW
Costa Repanos, Adal H Mirza, Michael George, Petros D Karkos
BACKGROUND: The purpose of this study was to present our evaluation of the importance of timing (early vs synchronous vs delayed) in conjunction with transoral laser surgery for head and neck squamous cell carcinoma (HNSCC). METHODS: Articles addressing surgical management via transoral laser surgery for HNSCC were included for review. RESULTS: Twenty-six articles fulfilled our criteria. The overall 5-year disease-specific survival (DSS) was 75...
December 29, 2016: Head & Neck
https://www.readbyqxmd.com/read/28028607/transoral-laser-microsurgery-for-t1b-glottic-cancer-review-of-51-cases
#17
Bernhard G Weiss, Friedrich Ihler, Yiannis Pilavakis, Hendrik A Wolff, Martin Canis, Christian Welz, Wolfgang Steiner
For the treatment of T1b glottic carcinoma, different treatment options, such as transoral laser microsurgery, open surgical techniques, and primary radiotherapy, are under discussion. In this context, the aim of the present study was to describe oncologic results and complication rates of transoral laser microsurgery in treatment of T1b glottic carcinoma. This is a retrospective unicenter chart review of patients treated at an academic tertiary referral center between 1986 and 2006. Fifty-one previously untreated T1b cases were exclusively treated by transoral laser microsurgery and included into this study, 47 were male, and 4 were female...
December 27, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28025603/evidence-and-evidence-gaps-of-laryngeal-cancer-surgery
#18
REVIEW
Susanne Wiegand
Surgical treatment of laryngeal cancer has been established for decades. In addition to total laryngectomy, which was first performed in 1873, a large number or organ preservation surgical techniques, like open partial laryngectomy, transoral laser microsurgery, and transoral robotic surgery have been developed. Studies on laryngeal cancer surgery are mainly retrospective case series and cohort studies. The evolution of chemoradiation protocols and their analysis in prospective randomized trials have led to an increasing acceptance of non-surgical treatment procedures...
2016: GMS Current Topics in Otorhinolaryngology, Head and Neck Surgery
https://www.readbyqxmd.com/read/27966287/transoral-laser-microsurgery-versus-radiation-therapy-in-the-management-of-t1-and-t2-laryngeal-glottic-carcinoma-which-modality-is-cost-effective-within-the-uk
#19
M Prettyjohns, S Winter, C Kerawala, V Paleri
OBJECTIVES: To identify the most cost-effective treatment strategy in patients with early stage (T1 and T2) cancers of the laryngeal glottis. DESIGN: A Markov decision model populated using data from updated systematic reviews and meta-analyses, with attributable costs from NHS sources. Data on local control and mortality were obtained from updates of existing systematic reviews conducted for the NICE guideline on cancer of the upper aerodigestive tract. Procedure costs were sourced from NHS reference costs 2013/14 by applying tariffs associated with the appropriate health resource group code SETTING: The UK National Health Service...
December 14, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/27966051/transoral-laser-microsurgery-versus-radiotherapy-for-t1-glottic-carcinoma-a-systematic-review-and-meta-analysis
#20
Hai-Lan Mo, Jie Li, Xiang Yang, Feng Zhang, Jun-Wei Xiong, Zhi-Ling Yang, Jian Tan, Bing Li
Transoral laser microsurgery (TLM) and radiotherapy (RT) are both accepted treatment modalities for glottic cancer. The objective of the study was to assess the oncologic outcomes and life quality of TLM in comparison with RT for T1 glottic carcinoma. We searched Medline/PubMed, Web of knowledge, EMBASE, the Cochrane Library, the Wiley online library, Springer, Google, China National Knowledge Infrastructure (CNKI), etc. We screened the literature, assessed the quality of the studies, and extracted the relevant data through the establishment of inclusion and exclusion criteria...
February 2017: Lasers in Medical Science
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