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Keyhole surgery

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https://www.readbyqxmd.com/read/29927428/-the-transpalpebral-keyhole-approach-in-surgery-of-orbital-cavernomas-a-case-report-and-literature-review
#1
R S Dzhindzhikhadze, O N Dreval', V A Lazarev, A V Polyakov
AIM: Currently, there are many different surgical approaches to orbital pathology. This pathology rarely occurs in neurosurgical practice, and neurosurgeons have often used approaches that can be accompanied by negative cosmetic and functional outcomes. MATERIAL AND METHODS: We present a case report of orbital cavernoma removal via a minimally invasive approach. RESULTS: The presented case demonstrates successful removal of orbital cavernoma using the transpalpebral approach: a skin incision along a natural fold of the upper eyelid and orbitofrontal keyhole craniotomy...
2018: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/29873260/from-above-or-from-below-that-is-the-question-comparison-of-the-supraorbital-approach-with-the-endonasal-approach-a-cadaveric-study
#2
Simone Peraio, Paul Chumas, Paul Nix, Nick Phillips, Atul Tyagi
BACKGROUND: Nowadays the endoscopic endonasal approach is increasingly being used to remove craniopharyngiomas, tuberculum sellae meningiomas and other presellar and parasellar lesions and its value in anterior skull base surgery is undisputed. Herein, we assess the relative advantages, disadvantages and feasibility of the keyhole eyebrow approach and the endonasal endoscopic approach in four cadaveric heads for the removal of presellar and parasellar lesions. METHODS: We used four cadaveric heads for 12 surgical dissections...
June 6, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29790722/minimally-invasive-endoscopic-assisted-approaches-to-the-posterior-fossa
#3
Alexander Yang, Zach Folzenlogen, A Samy Youssef
Modern surgical approaches are becoming more minimalistic, associated with the term 'minimally invasive'. The endoscope provides a more panoramic anatomical view in addition to the ability to access narrow deep corners with decent illumination and clear visualization. Endoscopic assisted microsurgery through a tailored small craniotomy is the foundation of keyhole surgery. The endoscope can be advanced deeper into the field, thus enhancing an exposure and allowing bimanual dissection, thus prompting smaller craniotomies and tailored key exposures...
May 22, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29770422/biodegradable-toughened-nanohybrid-shape-memory-polymer-for-smart-biomedical-applications
#4
Arpan Biswas, Akhand Pratap Singh, Dipak Rana, Vinod K Aswal, Pralay Maiti
A polyurethane nanohybrid has been prepared through the in situ polymerization of an aliphatic diisocyanate, ester polyol and a chain extender in the presence of two-dimensional platelets. Polymerization within the platelet galleries helps to intercalate, generate diverse nanostructure and improve the nano to macro scale self-assembly, which leads to a significant enhancement in the toughness and thermal stability of the nanohybrid in comparison to pure polyurethane. The extensive interactions, the reason for property enhancement, between nanoplatelets and polymer chains are revealed through spectroscopic measurements and thermal studies...
May 17, 2018: Nanoscale
https://www.readbyqxmd.com/read/29746276/deepithelialized-skin-reduction-preserves-skin-and-nipple-perfusion-in-immediate-reconstruction-of-large-and-ptotic-breasts
#5
Danielle H Rochlin, Dung H Nguyen
BACKGROUND: Women with large and/or ptotic breasts are often not considered candidates for nipple-sparing mastectomy (NSM) and/or immediate breast reconstruction given difficulties avoiding ischemic complications and achieving a favorable aesthetic result. We report a novel technique involving deepithelialized skin reduction to simultaneously reduce the skin envelope and preserve perfusion to the skin and nipple in immediate breast reconstruction for women that fit this high-risk anatomic profile...
April 30, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29676694/keyhole-strategy-aiming-at-minimizing-hospital-stay-for-surgical-clipping-of-unruptured-middle-cerebral-artery-aneurysms
#6
Kentaro Mori, Kojiro Wada, Naoki Otani, Arata Tomiyama, Terushige Toyooka, Satoru Takeuchi, Takuji Yamamoto, Yasuaki Nakao, Hajime Arai
OBJECTIVE Aneurysms of the middle cerebral artery (MCA) are still most often treated by clipping through standard craniotomy, but a longer hospital stay is one of the main drawbacks of this treatment. The authors developed a pterional keyhole clipping strategy for unruptured MCA aneurysms with the intention of minimizing hospital stay. In this paper, they report on their experience with this approach and analyze the long-term neurological and radiological outcomes. METHODS A total of 160 relatively small unruptured MCA aneurysms (mean 6...
April 20, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29476667/beckwith-wiedemann-syndrome-open-bite-evolution-after-tongue-reduction
#7
E Alonso-Rodriguez, E Gómez, M Martín, J-M Muñoz, J Hernández-Godoy, M Burgueño
BACKGROUND: Macroglossia causes functional deficits such as airway obstruction, drooling, phonation difficulties, and leads to protrusion of dentoalveolar structures resulting in an anterior open bite and a prognathic mandibular appearance. Macroglossia is present in the majority of patients with Beckwith-Wiedemann syndrome (BWS) and surgical treatment may be indicated. MATERIAL AND METHODS: A retrospective review was conducted including BWS patients who underwent surgical tongue reduction between 2000 and 2015 at the Hospital Universitario La Paz, Madrid...
March 1, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29452317/minimally-invasive-alternative-approaches-to-pterional-craniotomy-a-systematic-review-of-the-literature
#8
REVIEW
Jonathan Rychen, Davide Croci, Michel Roethlisberger, Erez Nossek, Matthew Potts, Ivan Radovanovic, Howard Riina, Luigi Mariani, Raphael Guzman, Daniel W Zumofen
OBJECTIVE: Minimally invasive alternatives to the pterional craniotomy include the minipterional and the supraorbital craniotomy (SOC). The latter is performed via either an eyebrow or an eyelid skin incision. The purpose of this systematic review was to analyze the type and the incidence of approach-related complications of these so-called "keyhole craniotomies". METHODS: We review pertinent articles retrieved by search in the PubMed/Medline database...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29449682/anatomic-and-terminological-description-and-processing-of-breast-pathologic-specimens-from-oncoplastic-large-volume-displacement-surgeries
#9
REVIEW
Yuanxin Liang, Stephen P Naber, Abhishek Chatterjee
Oncoplastic surgery provides breast cancer patients with greater aesthetic satisfaction without compromising disease-free survival or overall survival rate. Large volume displacement oncoplastic surgical techniques have become increasingly popular as a strategy for improving aesthetic outcomes and extending the option of breast conservation therapy. They often involve breast reduction or mastopexy reconstructive techniques to facilitate resection of large breast volumes on the side of the breast cancer and accompanied with symmetry contralateral breast reductions or mastopexies...
February 15, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29449632/inducible-nitric-oxide-synthase-during-the-late-phase-of-sepsis-is-associated-with-hypothermia-and-immune-cell-migration
#10
Yudai Takatani, Kenji Ono, Hiromi Suzuki, Masato Inaba, Makoto Sawada, Naoyuki Matsuda
Hypothermia is a significant sign of sepsis, which is associated with poor prognosis, but few mechanisms underlying the regulation of hypothermia are known. Inducible nitric oxide synthase (iNOS) is a key inflammatory mediator of sepsis. However, the therapeutic benefit of iNOS inhibition in sepsis is still controversial, and requires elucidation in an accurate model system. In this study, wild-type (WT) mice showed temperature drops in a biphasic manner at the early and late phase of sepsis, and all mice died within 48 h of sepsis...
February 14, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29381606/endoscopic-anatomic-study-via-grinding-partial-petrous-ridge-to-the-middle-fossa-in-retromastoid-keyhole-approach
#11
Can Tang, Lujun Pang, Hengzhu Zhang, Zhengcun Yan, Xiaodong Wang, Lun Dong, Lei She, Xingdong Wang, Min Wei
OBJECTIVE: This study aimed to observe the range of exposure, indications, and feasibility of the retromastoid keyhole approach via grinding partial petrous ridge to the middle fossa. METHODS: Simulated endoscopic surgeries via grinding suprameatal tubercle and petrous ridge to expose the middle fossa in retromastoid keyhole approach were performed on 8 adult cadaver heads (16 sides) fixed by formalin. The maximum exposure range in endoscope was observed. The boundaries of Parkinson triangle and the anatomic structures contained by Meckel cave and cavernous sinus (CS) lateral wall were revealed...
January 29, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29344232/novel-combination-of-paraspinal-keyhole-surgery-with-a-tubular-retractor-system-leads-to-significant-improvements-in-lumbar-intraspinal-extramedullary-schwannomas
#12
Yuandong Zhuang, Gangfeng Cai, Chaofeng Fu, Weiqiang Zhang, Wei Zhao, Rui Wang, Chunhua Wang, Songsheng Shi, Chunmei Chen
The aim of the present study was to investigate the efficacy of combining paraspinal keyhole surgery with a tubular retractor system for the microsurgical removal of lumbar intraspinal extramedullary schwannomas. A retrospective analysis was conducted of 56 patients with lumbar intraspinal extramedullary schwannomas who were treated using the microsurgical paraspinal keyhole approach with a tubular retractor system. The mean ± standard deviation was calculated for the following parameters: Surgery time (96...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29274447/risk-factor-analysis-for-poor-outcomes-in-supraorbital-keyhole-aneurysm-clipping-for-ruptured-anterior-circulation-aneurysms
#13
Jun Sang Park, Hoon Kim, Min Woo Baik, Ik Seong Park
BACKGROUND: The transciliary keyhole approach has been actively employed for unruptured intracranial aneurysms in many institutions, although applying this technique to ruptured aneurysms remains controversial. We investigated risk factors related to poor surgical outcomes in ruptured aneurysms and attempted to clarify the differences between conventional craniotomy and keyhole surgery. METHODS: A retrospective review was performed at a single institution of medical records and images from surgeries of 188 patients who underwent keyhole surgery for ruptured anterior circulation aneurysms between July 2007 and February 2015...
March 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29236824/transtemporal-amygdalohippocampectomy-a-novel-minimally-invasive-technique-with-optimal-clinical-results-and-low-cost
#14
Juan Antonio Castro Flores, Felipe Hada Sanders, Eberval Gadelha Figueiredo, Manoel Jacobsen Teixeira
Mesial temporal sclerosis creates a focal epileptic syndrome that usually requires surgical resection of mesial temporal structures. OBJECTIVE: To describe a novel operative technique for treatment of temporal lobe epilepsy and its clinical results. METHODS: Prospective case-series at a single institution, performed by a single surgeon, from 2006 to 2012. A total of 120 patients were submitted to minimally-invasive keyhole transtemporal amygdalohippocampectomy. RESULTS: Of the patients, 55% were male, and 85% had a right-sided disease...
November 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29228382/long-term-neurological-and-radiological-results-of-consecutive-63-unruptured-anterior-communicating-artery-aneurysms-clipped-via-lateral-supraorbital-keyhole-minicraniotomy
#15
Kentaro Mori, Kojiro Wada, Naoki Otani, Arata Tomiyama, Terushige Toyooka, Satoshi Tomura, Satoru Takeuchi, Takuji Yamamoto, Yasuaki Nakao, Hajime Arai
BACKGROUND: Treatments for unruptured anterior communicating artery (AcomA) aneurysm have relatively high morbidity. OBJECTIVE: To assess the lateral supraorbital keyhole approach for safe and complete clipping of unruptured AcomA aneurysm and evaluate the long-term clinical and radiological outcomes, including cognitive and depressive status. METHODS: A total of 63 patients (aged 41-79 yr, mean 64 yr) with relatively small AcomA aneurysms clipped via the lateral supraorbital approach were retrospectively analyzed among the 105 AcomA aneurysms treated by clipping from 2005 to 2014...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29192858/head-up-display-may-facilitate-safe-keyhole-surgery-for-cerebral-aneurysm-clipping
#16
Terushige Toyooka, Naoki Otani, Kojiro Wada, Arata Tomiyama, Satoru Takeuchi, Kazuya Fujii, Kosuke Kumagai, Takashi Fujii, Kentaro Mori
OBJECTIVE The head-up display (HUD) is a modern technology that projects images or numeric information directly into the observer's sight line. Surgeons will no longer need to look away from the surgical view using the HUD system to confirm the preoperative or navigation image. The present study investigated the usefulness of the HUD system for performing cerebral aneurysm clipping surgeries. METHODS Thirty-five patients underwent clipping surgery, including 20 keyhole surgeries for unruptured cerebral aneurysm, using the HUD system...
December 1, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29134456/european-hernia-society-guidelines-on-prevention-and-treatment-of-parastomal-hernias
#17
REVIEW
S A Antoniou, F Agresta, J M Garcia Alamino, D Berger, F Berrevoet, H-T Brandsma, K Bury, J Conze, D Cuccurullo, U A Dietz, R H Fortelny, C Frei-Lanter, B Hansson, F Helgstrand, A Hotouras, A Jänes, L F Kroese, J R Lambrecht, I Kyle-Leinhase, M López-Cano, L Maggiori, V Mandalà, M Miserez, A Montgomery, S Morales-Conde, M Prudhomme, T Rautio, N Smart, M Śmietański, M Szczepkowski, C Stabilini, F E Muysoms
BACKGROUND: International guidelines on the prevention and treatment of parastomal hernias are lacking. The European Hernia Society therefore implemented a Clinical Practice Guideline development project. METHODS: The guidelines development group consisted of general, hernia and colorectal surgeons, a biostatistician and a biologist, from 14 European countries. These guidelines conformed to the AGREE II standards and the GRADE methodology. The databases of MEDLINE, CINAHL, CENTRAL and the gray literature through OpenGrey were searched...
February 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29103840/the-influence-of-full-thickness-chondral-defects-on-outcomes-following-meniscal-allograft-transplantation-a-comparative-study
#18
Bryan M Saltzman, Maximilian A Meyer, Timothy S Leroux, Matthew E Gilelis, Margot Debot, Adam B Yanke, Brian J Cole
PURPOSE: To compare a series of patients who underwent meniscus allograft transplantation (MAT) with full-thickness chondral defects (FTD) with those with no chondral defect (ND) with regard to the following: change in patient-reported outcomes (PROs) from baseline to 2-year follow-up and baseline to the final follow-up (including comparisons to minimal clinically important differences), complications and complication rates, reoperations and reoperation rates/timing, and failures and time to failure (revision MAT or conversion to total knee arthroplasty)...
February 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29040349/female-to-male-gender-affirming-top-surgery-a-single-surgeon-s-15-year-retrospective-review-and-treatment-algorithm
#19
Giancarlo McEvenue, Fang Zhou Xu, Runting Cai, Hugh McLean
Background: Mastectomy, referred to here as "Top Surgery," is an important surgical step for female-to-male (FTM) transgender patients. The goal is to excise breast tissue and create a masculine chest contour. Despite the rising demand for Top Surgery, debate still exists regarding how to select the most appropriate surgical technique to optimize aesthetic outcomes safely. Objectives: To determine the safety profile and aesthetic outcome of one surgeon's 15-year FTM Top Surgery experience...
December 13, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28989048/supraorbital-keyhole-approach-to-the-sella-and-anterior-skull-base-via-a-forehead-wrinkle-incision
#20
Jin Xiao, Weihong Wang, Xianxiang Wang, Zhongxiang Mao, Hao Qi, Hongwei Cheng, Yongqiang Yu
OBJECTIVE: To evaluate safety and effectiveness of supraorbital keyhole approach to the sella and anterior skull base via a forehead wrinkle incision. METHODS: We analyzed and reclassified forehead wrinkle types in 100 recruited healthy individuals. Twenty patients with different intracranial lesions in the sella and anterior skull base areas were selected for surgery using the supraorbital keyhole approach via a forehead wrinkle incision by forehead wrinkle type...
January 2018: World Neurosurgery
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