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Gupta KK, Balai E, Darr A, Jolly K. Reconstruction and Cerebrospinal Fluid Leaks in Endoscopic Endonasal Approach for the Management of Clival Chordomas-A Systematic Review. Indian J Otolaryngol Head Neck Surg 2022; 74:4807-4815. [PMID: 36742692 PMCID: PMC9895481 DOI: 10.1007/s12070-022-03114-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 06/25/2022] [Indexed: 02/07/2023] Open
Abstract
The success of the endoscopic endonasal approach (EEA) to surgically manage clival chordomas (CC) relies on robust repair methods to reduce complications, such as cerebrospinal fluid (CSF) leaks. Our study aims to evaluate the existing literature to assess reconstructive techniques utilised and post-operative CSF leak rates in this cohort. A systematic review and analysis was performed of all published data related to CC patients managed with an EEA. A total of 24 articles were included, representing 363 patients and 396 procedures. A variety of reconstruction methods were used with 95.9% of studies using an intracranial repair graft, 70.8% using a nasoseptal flap (NSF), 62.5% using glue/haemostat, 58.3% using nasal packs and 75.0% employing multi-layered reconstruction. Post-operative CSF leak rate was 10.1%. The leak rate was less in subgroups where a NSF was used (9.4%) although this was not statistically significant (p = 0.273). There were no differences in leak rates when glue/haemostat (p = 0.139) or nasal packs (p = 0.550) were used. Our review is the most up-to-date synthesis of the existing literature surrounding the EEA to CCs assessing reconstruction and post-operative CSF leaks. It demonstrates most authors employ a multi-layered reconstruction method. The lack of statistical significance observed for CSF leaks in subgroups is likely due to a variety of cofounding surgeon and patient factors. Higher quality prospective randomised multi-centric studies, with reporting of specific repair techniques will enable future systematic reviews to provide a more accurate consensus regarding optimal methods of reconstruction in this field.
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Affiliation(s)
- Keshav Kumar Gupta
- Department of Surgery, Sandwell General Hospital, Sandwell and West Birmingham Hospitals NHS Trust, Hallam Street, West Bromwich, B71 4HJ UK
| | - Edward Balai
- Department of Surgery, Sandwell General Hospital, Sandwell and West Birmingham Hospitals NHS Trust, Hallam Street, West Bromwich, B71 4HJ UK
| | - Adnan Darr
- Department of Otorhinolaryngology, New Cross Hospital, Royal Wolverhampton NHS Trust, Wolverhampton, WV10 0QP UK
| | - Karan Jolly
- Department of Otorhinolaryngology, Queen Elizabeth Hospital, University Hospitals Birmingham NHS Trust, Birmingham, B15 2TH UK
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2
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Baig Mirza A, Ravindran V, Okasha M, Boardman TM, Maratos E, Sinan B, Thomas N. Systematic Review Comparing Open versus Endoscopic Surgery in Clival Chordomas and a 10-Year Single-Center Experience. Skull Base Surg 2022; 83:e113-e125. [DOI: 10.1055/s-0041-1722933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 11/27/2020] [Indexed: 10/22/2022]
Abstract
Abstract
Objectives Chordomas are rare, slow-growing, and osteo-destructive tumors of the primitive notochord. There is still contention in the literature as to the optimal management of chordoma. We conducted a systematic review of the surgical management of chordoma along with our 10-year institutional experience.
Design A systematic search of the literature was performed in October 2020 by using MEDLINE and EMBASE for articles relating to the surgical management of clival chordomas. We also searched for all adult patients surgically treated for primary clival chordomas at our institute between 2009 and 2019.
Participants Only articles describing chordomas arising from the clivus were included in the analysis. For our institution experience, only adult primary clival chordoma cases were included.
Main Outcome Measures Patients were divided into endoscopic or open surgery. Rate of gross total resection (GTR), recurrence, and complications were measured.
Results Our literature search yielded 24 articles to include in the study. Mean GTR rate among endoscopic cases was 51.9% versus 41.7% for open surgery. Among the eight cases in our institutional experience, we found similar GTR rates between endoscopic and open surgery.
Conclusion Although there is clear evidence in the literature that endoscopic approaches provide better rates of GTR with fewer overall complications compared to open surgery. However, there are still situations where endoscopy is not viable, and thus, open surgery should still be considered if required.
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Affiliation(s)
- Asfand Baig Mirza
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Visagan Ravindran
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Mohamed Okasha
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | | | - Eleni Maratos
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Barazi Sinan
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Nick Thomas
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
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3
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Riva G, Zenga F, Motatto GM, Di Perna G, Castelli M, Tavassoli M, Baldassarre BM, Caria M, Pecorari G. Quality of life after endoscopic skull base surgery: validation and reliability of the Italian version of the Sino-Nasal Outcome Test for Neurosurgery (SNOT-NC). World Neurosurg 2022; 163:e426-e434. [DOI: 10.1016/j.wneu.2022.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 10/18/2022]
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4
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Baldassarre BM, Di Perna G, Portonero I, Penner F, Cofano F, Marco RD, Marengo N, Garbossa D, Pecorari G, Zenga F. Craniovertebral junction chordomas: Case series and strategies to overcome the surgical challenge. JOURNAL OF CRANIOVERTEBRAL JUNCTION AND SPINE 2021; 12:420-431. [PMID: 35068826 PMCID: PMC8740819 DOI: 10.4103/jcvjs.jcvjs_87_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 09/28/2021] [Indexed: 11/04/2022] Open
Abstract
Introduction: Chordomas are rare and malignant primary bone tumors. Different strategies have been proposed for chordomas involving the craniovertebral junction (CVJ) compared to other locations. The impossibility to achieve en bloc excision, the impact on stability and the need for proper reconstruction make their surgical management challenging. Objective: The objective is to discuss surgical strategies in CVJ chordomas operated in a single-center during a 7 years' experience (2013-2019). Methods: Adult patients with CVJ chordoma were retrospectively analyzed. The clinical, radiological, pathological, and surgical data were discussed. Results: A total number of 8 patients was included (among a total number of 32 patients suffering from skull base chordoma). Seven patients underwent endoscopic endonasal approach (EEA), and posterior instrumentation was needed in three cases. Three explicative cases were reported: EEA for midline tumor involving lower clivus and upper cervical spine (case 1), EEA and complemental posterior approach for occurred occipitocervical instability (case 2), C2 chordoma which required aggressive bone removal and consequent implant positioning, focusing on surgical planning (timing and type of surgical stages, materials and customization of fixation system) (case 3). Conclusion: EEA could represent a safe route to avoid injuries to neurovascular structure in clival locations, while a combined approach could be considered when tumor spreads laterally. Tumor involvement or surgical procedures could give raise to CVJ instability with the need of complementary posterior instrumentation. Thus, a tailored preoperative planning should play a key role, especially when aggressive bone removal and implant positioning are needed.
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Affiliation(s)
- Bianca Maria Baldassarre
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy
| | - Giuseppe Di Perna
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy
| | - Irene Portonero
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy
| | - Federica Penner
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy.,Spine Surgery Unit, Humanitas Cellini Hospital, Turin, Italy
| | - Fabio Cofano
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy.,Spine Surgery Unit, Humanitas Gradenigo Hospital, Turin, Italy
| | - Raffaele De Marco
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy
| | - Nicola Marengo
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy
| | - Diego Garbossa
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy
| | - Giancarlo Pecorari
- Department of Surgical Sciences, ENT Surgery Unit, University of Turin, Turin, Italy
| | - Francesco Zenga
- Department of Neuroscience "Rita Levi Montalcini", Neurosurgery Unit, University of Turin, Turin, Italy
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5
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Uozumi Y, Taniguchi M, Nakai T, Kimura H, Umehara T, Kohmura E. Comparative Evaluation of 3-Dimensional High Definition and 2-Dimensional 4-K Ultra-High Definition Endoscopy Systems in Endonasal Skull Base Surgery. Oper Neurosurg (Hagerstown) 2021; 19:281-287. [PMID: 31960059 DOI: 10.1093/ons/opz426] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 12/01/2019] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The differences between 3-dimensional (3D) high definition (HD) and 2-dimensional (2D) 4-K ultra-HD (4K) endoscopy and their respective advantages remain unclear. OBJECTIVE To evaluate the utility of these endoscopy systems in endonasal skull base surgery. METHODS Consecutive series of endoscopic endonasal surgeries performed after introduction of 3D/HD and 2D/4K systems (July 2017) were retrospectively evaluated. Sporadic cases treated with either system, or a conventional 2D standard definition (SD) system, during the rental period from March 2016 were also included. Objective comparisons between the systems were made for newly diagnosed Knosp grade 0 to 3 pituitary adenomas. Surgical procedures were divided into nasal, sphenoidal, and intradural phases, and the surgical procedural time was compared for each phase. The time required for and accuracy of suturing the sellar floor dura was also evaluated. RESULTS A total of 74 cases were treated with 3D/HD and/or 2D/4K, and 12 cases with 2D/SD. 3D/HD was advantageous in the nasal phase because of its intuitive depth perception. 2D/4K was advantageous in the intradural phase because of its superior image quality. Surgical time of the nasal phase with 3D/HD, and that of the intradural phase with 2D/4K, were significantly shorter than that with 2D/SD. The time required for and accuracy of sellar floor dural suturing showed a trend toward improving in the order of 2D/SD, 2D/4K, and 3D/HD. CONCLUSION 3D/HD and 2D/4K endoscopy systems have different advantages, which are useful in distinct surgical phases. Understanding the characteristics of endoscopy systems is important for selecting the most appropriate system for distinct surgical situations.
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Affiliation(s)
- Yoichi Uozumi
- Department of Neurosurgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masaaki Taniguchi
- Department of Neurosurgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoaki Nakai
- Department of Neurosurgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidehito Kimura
- Department of Neurosurgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Toru Umehara
- Department of Neurosurgery, Kobe University Graduate School of Medicine, Kobe, Japan.,Department of Neurosurgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - Eiji Kohmura
- Department of Neurosurgery, Kobe University Graduate School of Medicine, Kobe, Japan
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6
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Endoscopic Endonasal Approach in Clival Chordoma Surgery: Case Series. Indian J Otolaryngol Head Neck Surg 2021; 73:226-232. [PMID: 34150596 DOI: 10.1007/s12070-021-02455-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 02/08/2021] [Indexed: 01/28/2023] Open
Abstract
Chordomas are rare and slow-growing locally destructive bone tumors that can develop in the craniospinal axis. It is commonly found in the sacrococcygeal region whereas only 25-35% are found in the clival region. Headache with neurological deficits are the most common clinical presentations. Complete surgical resection either via open or endoscopic endonasal approaches are the main mode of treatment. Here, we report a series of 5 cases of clival chordomas which was managed via endoscopic endonasal approaches in our center. A retrospective analysis of patients who had undergone endoscopic endonasal resection of clival chordoma in Sarawak General Hospital from 2014 to 2018. A total of 5 cases were operated on endoscopically via a combine effort of both the otorhinolaryngology team and the neurosurgical team during the study period from year 2013 to 2018. From our patient, 2 were female and 3 were male patients. The main clinical presentation was headache, squinting of eye and nasopharyngeal fullness. All our patient had endoscopic endonasal debulking of clival tumor done, with average of hospital stay from 9 - 23 days. Pos-operatively, patients were discharged back well. Endoscopic endonasal resection of clival chordomas gives good surgical resection results with low morbidity rates and therefore can be considered as a surgical option in centers where the surgical specialties are available.
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7
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Wang EW, Zanation AM, Gardner PA, Schwartz TH, Eloy JA, Adappa ND, Bettag M, Bleier BS, Cappabianca P, Carrau RL, Casiano RR, Cavallo LM, Ebert CS, El-Sayed IH, Evans JJ, Fernandez-Miranda JC, Folbe AJ, Froelich S, Gentili F, Harvey RJ, Hwang PH, Jane JA, Kelly DF, Kennedy D, Knosp E, Lal D, Lee JYK, Liu JK, Lund VJ, Palmer JN, Prevedello DM, Schlosser RJ, Sindwani R, Solares CA, Tabaee A, Teo C, Thirumala PD, Thorp BD, de Arnaldo Silva Vellutini E, Witterick I, Woodworth BA, Wormald PJ, Snyderman CH. ICAR: endoscopic skull-base surgery. Int Forum Allergy Rhinol 2020; 9:S145-S365. [PMID: 31329374 DOI: 10.1002/alr.22326] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 02/12/2019] [Accepted: 02/15/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND Endoscopic skull-base surgery (ESBS) is employed in the management of diverse skull-base pathologies. Paralleling the increased utilization of ESBS, the literature in this field has expanded rapidly. However, the rarity of these diseases, the inherent challenges of surgical studies, and the continued learning curve in ESBS have resulted in significant variability in the quality of the literature. To consolidate and critically appraise the available literature, experts in skull-base surgery have produced the International Consensus Statement on Endoscopic Skull-Base Surgery (ICAR:ESBS). METHODS Using previously described methodology, topics spanning the breadth of ESBS were identified and assigned a literature review, evidence-based review or evidence-based review with recommendations format. Subsequently, each topic was written and then reviewed by skull-base surgeons in both neurosurgery and otolaryngology. Following this iterative review process, the ICAR:ESBS document was synthesized and reviewed by all authors for consensus. RESULTS The ICAR:ESBS document addresses the role of ESBS in primary cerebrospinal fluid (CSF) rhinorrhea, intradural tumors, benign skull-base and orbital pathology, sinonasal malignancies, and clival lesions. Additionally, specific challenges in ESBS including endoscopic reconstruction and complication management were evaluated. CONCLUSION A critical review of the literature in ESBS demonstrates at least the equivalency of ESBS with alternative approaches in pathologies such as CSF rhinorrhea and pituitary adenoma as well as improved reconstructive techniques in reducing CSF leaks. Evidence-based recommendations are limited in other pathologies and these significant knowledge gaps call upon the skull-base community to embrace these opportunities and collaboratively address these shortcomings.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Adam J Folbe
- Michigan Sinus and Skull Base Institute, Royal Oak, MI
| | | | | | - Richard J Harvey
- University of Toronto, Toronto, Canada.,University of New South Wales, Sydney, Australia
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Charles Teo
- Prince of Wales Hospital, Randwick, Australia
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8
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Ten Dam E, Helder HM, van der Laan BFAM, Feijen RA, Korsten-Meijer AGW. The effect of three-dimensional visualisation on performance in endoscopic sinus surgery: A clinical training study using surgical navigation for movement analysis in a randomised crossover design. Clin Otolaryngol 2020; 45:211-220. [PMID: 31846558 PMCID: PMC7027512 DOI: 10.1111/coa.13494] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/06/2019] [Accepted: 12/12/2019] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Endoscopic imaging techniques and endoscopic endonasal surgery (EES) expertise have evolved rapidly. Only few studies have assessed the effect of three-dimensional (3D) endoscopy on endoscopic sinus surgery (ESS). The present study aimed to objectively and subjectively assess the additional value of 3D high-definition (HD) endoscopy in ESS. DESIGN A randomized crossover study of endoscopic surgery performance, using five ESS tasks of varying complexity, performed on Thiel embalmed human specimens. SETTING Simulated surgical environment. PARTICIPANTS Thirty participants, inexperienced in ESS. MAIN OUTCOME MEASURES Performance was assessed using video imaging, surgical navigation and questionnaires. Main outcome measures were as follows: efficiency (defined by time to task completion), distance covered inside the nose, average velocity towards target, accuracy (measured by error rate), and subjective assessment of endoscope characteristics. RESULTS During ESS tasks, both efficiency and accuracy did not differ significantly between 2D HD and 3D HD endoscopy. Subjectively, imaging characteristics of the 3D HD endoscope were rated significantly better. CONCLUSIONS ESS performance of inexperienced participants was not significantly improved by the use of 3D HD endoscopy during ESS tasks, although imaging characteristics of the 3D HD endoscope were rated significantly better. Surgical field characteristics and surgical techniques are likely to influence any additional value of 3D HD endoscopy.
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Affiliation(s)
- Ellen Ten Dam
- Department of Otorhinolaryngology/Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Institute for Drug Exploration, Graduate School of Medical Sciences, Groningen University, Groningen, The Netherlands
| | - Herman M Helder
- Department of Otorhinolaryngology/Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Cancer Research Center Groningen, Graduate School of Medical Sciences, Groningen University, Groningen, The Netherlands
| | - Bernard F A M van der Laan
- Department of Otorhinolaryngology/Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Robert A Feijen
- Department of Otorhinolaryngology/Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Astrid G W Korsten-Meijer
- Department of Otorhinolaryngology/Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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9
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Garzaro M, Pecorari G, Riva G, Pennacchietti V, Pacca P, Raimondo L, Tron E, Ducati A, Zenga F. Nasal Functions in Three-Dimensional Endoscopic Skull Base Surgery. Ann Otol Rhinol Laryngol 2018; 128:208-214. [PMID: 30525922 DOI: 10.1177/0003489418816723] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES Endoscopic transnasal transsphenoidal surgery has become the standard procedure for the majority of skull base diseases, including sellar, parasellar, and clival pathologies. The aim of this study was the objective evaluation of nasal airflow resistances and olfactory function in 3-dimensional (3D) endoscopic transnasal transsphenoidal surgery. METHODS One hundred patients who underwent 3D transnasal endoscopic surgery for sellar, parasellar, and clival diseases were enrolled. Active anterior rhinomanometry and Sniffin' Sticks tests were performed before endoscopic surgery and at 3 and 6 months postoperatively. RESULTS No significant difference about nasal airflow resistance and olfactory function was observed between preoperative and postoperative subjective and objective scores. In the group of patients with sellar and parasellar diseases, a worst nasal respiratory function was seen when crusting was present, and a worst olfactory function was observed in patients with synechiae. Nasal functions returned to previous levels when crusting or synechiae solved. No statistically significant correlation was observed between the evaluated nasal functions and the reconstruction with flaps. CONCLUSIONS The 3D endoscopic transnasal transsphenoidal surgery represents a more and more important tool in skull base surgery. It does not determine nasal respiratory and olfactory alterations after the treatment, without an increase in nasal complaints that could worsen quality of life.
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Affiliation(s)
- Massimiliano Garzaro
- Otorhinolaryngology Division, Department of Surgical Sciences, University of Turin, Turin, Italy
| | - Giancarlo Pecorari
- Otorhinolaryngology Division, Department of Surgical Sciences, University of Turin, Turin, Italy
| | - Giuseppe Riva
- Otorhinolaryngology Division, Department of Surgical Sciences, University of Turin, Turin, Italy
| | | | - Paolo Pacca
- Neurosurgery Division, Department of Neurosciences, University of Turin, Turin, Italy
| | - Luca Raimondo
- Otorhinolaryngology Division, Department of Surgical Sciences, University of Turin, Turin, Italy
| | - Eleonora Tron
- Otorhinolaryngology Division, Department of Surgical Sciences, University of Turin, Turin, Italy
| | - Alessandro Ducati
- Neurosurgery Division, Department of Neurosciences, University of Turin, Turin, Italy
| | - Francesco Zenga
- Neurosurgery Division, Department of Neurosciences, University of Turin, Turin, Italy
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10
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Nassimizadeh A, Zaidi SM, Nassimizadeh M, Kholief A, Ahmed SK. Endoscopic training-is the future three-dimensional? Laryngoscope Investig Otolaryngol 2018; 3:345-348. [PMID: 30410987 PMCID: PMC6209622 DOI: 10.1002/lio2.207] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 06/09/2018] [Accepted: 07/12/2018] [Indexed: 01/26/2023] Open
Abstract
Background/Objectives Endoscopic surgery has a distinct disadvantage compared to direct vision: loss of binocular vision. Three-dimensional endoscopy has been welcomed due to the promise of improving stereopsis. Methods Prospective randomized study of junior doctors with minimal endoscopic experience, using both two-dimensional and three-dimensional, zero-degree, 4-mm Storz endoscopes. Data was collected using validated, standardized training models, both objectively and subjectively. Paired comparisons between variables relating to the endoscopes were performed using Wilcoxon's tests. Operators were then split into groups based on their endoscope preference, with comparisons made using Mann-Whitney tests for Likert scale responses, Kendall's tau for ordinal variables, and Fisher's exact tests for nominal variables. Results Reduction of field of vision of three-dimensional endoscopy by 2%. Significant findings included decreased past-pointing, improved depth and perception and image quality. Conclusion The use of an endoscopic endonasal approach with three-dimensional technology has measurable advantages for novice users, and highlights potential tailoring of future surgical training. Level of Evidence 1b.
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Affiliation(s)
| | - S M Zaidi
- From the Department of Otorhinolaryngology Birmingham UK
| | | | - Amir Kholief
- From the Department of Otorhinolaryngology Birmingham UK
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11
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Zou Y, Neale N, Sun J, Yang M, Bai HX, Tang L, Zhang Z, Landi A, Wang Y, Huang RY, Zhang PJ, Li X, Xiao B, Yang L. Prognostic Factors in Clival Chordomas: An Integrated Analysis of 347 Patients. World Neurosurg 2018; 118:e375-e387. [DOI: 10.1016/j.wneu.2018.06.194] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 06/21/2018] [Accepted: 06/22/2018] [Indexed: 12/11/2022]
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12
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Culebras D, Torales J, Reyes LA, Zapata L, García S, Roldán P, Langdon C, Alobid I, Enseñat J. [Extended endoscopic endonasal surgery for clival chordoma and chondrosarcoma: Our experience in 14 cases]. Neurocirugia (Astur) 2018; 29:201-208. [PMID: 29691145 DOI: 10.1016/j.neucir.2018.03.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 02/28/2018] [Accepted: 03/17/2018] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To report our experience in the management of chordoma and chondrosarcoma with extended endoscopic endonasal surgery. METHOD We performed a retrospective analysis of a series of 14 patients with clival chordoma or chondrosarcoma who had extended endoscopic endonasal surgery from 2008 to 2016 performed by the same multidisciplinary team. RESULTS We had fourteen patients (male/female 2:1), with a mean age of 49years for chordoma and 32 for chondrosarcoma. The most common clinical presentation was diplopia in 78.5% of cases, followed by dysphagia in 28.6%. Histologically, 71.4% were chordomas and 28.6% were chondrosarcomas. In addition, invasion of at least two thirds or more of the clivus was found in 81% of the cases; in 57.1% there was intradural invasion, and in 35.7% invasion of the sella turcica. In 42.8% of cases, the degree of resection was total and in 21.5% subtotal. The most common complication was CSF fistula, occurring in 28.6% of the cases, with only one case requiring surgery to repair it. Adjuvant treatment with Proton Beam was performed in 35.7% of cases and with conventional radiotherapy in 21.5%. Mean follow-up was 53.5months and tumour recurrence or progression was found in 21.5% of the cases, two of which had not received adjuvant treatment. There were no deaths. CONCLUSION The extended endoscopic endonasal approach (EEEA) performed by an experienced team is a good alternative for the management of these lesions. Intradural invasion may be related to an increased risk of complications and worse clinical presentation, in addition to a lower rate of total resection.
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Affiliation(s)
- Diego Culebras
- Servicio de Neurocirugía, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España.
| | - Jorge Torales
- Servicio de Neurocirugía, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España
| | - Luis Alberto Reyes
- Servicio de Neurocirugía, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España
| | - Luis Zapata
- Servicio de Neurocirugía, Hospital Militar Alejandro Dávila Bolaños, Managua, Nicaragua
| | - Sergio García
- Servicio de Neurocirugía, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España
| | - Pedro Roldán
- Servicio de Neurocirugía, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España
| | - Cristóbal Langdon
- Servicio de Otorrinolaringología, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España
| | - Issam Alobid
- Servicio de Otorrinolaringología, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España
| | - Joaquim Enseñat
- Servicio de Neurocirugía, Unidad de Cirugía de Base de Cráneo, Hospital Clínic, Barcelona, España
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