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Precision Surgery

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https://www.readbyqxmd.com/read/28107757/piezosurgery-a-safe-technique-for-inferior-alveolar-nerve-mobilization-in-surgical-correction-of-hemimandibular-hyperplasia-review-of-the-literature-and-case-report
#1
Amel S Eltayeb, Abdelnasir G Ahmad
INTRODUCTION: Piezoelectric bone surgery is a relatively new alternative for bone-related procedures in oral and maxillofacial surgery. It represents an innovative technique as it offers the maxillofacial surgeon the opportunity to make precise bone cuts without damaging any soft tissue and providing a blood less surgical field. Correction of facial asymmetries is still a major problem in need of an adequate solution. Neurosensory damage to the inferior alveolar nerve can be an adverse effect of surgical correction of hemimandibular hyperplasia...
December 30, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28106607/individualized-venous-thromboembolism-risk-stratification-using-the-2005-caprini-score-to-identify-the-benefits-and-harms-of-chemoprophylaxis-in-surgical-patients-a-meta-analysis
#2
Christopher J Pannucci, Lukasz Swistun, John K MacDonald, Peter K Henke, Benjamin S Brooke
OBJECTIVE: We performed a meta-analysis to investigate benefits and harms of chemoprophylaxis among surgical patients individually risk stratified for venous thromboembolism (VTE) using Caprini scores. SUMMARY OF BACKGROUND DATA: Individualized VTE risk stratification may identify high risk surgical patients who benefit from peri-operative chemoprophylaxis. METHODS: MEDLINE, EMBASE, and the Cochrane Library (CENTRAL) databases were queried...
January 19, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28105538/comparison-of-non-invasive-blood-pressure-monitoring-using-modified-arterial-applanation-tonometry-with-intra-arterial-measurement
#3
Jarkko Harju, Antti Vehkaoja, Pekka Kumpulainen, Stefano Campadello, Ville Lindroos, Arvi Yli-Hankala, Niku Oksala
Intermittent non-invasive blood pressure measurement with tourniquets is slow, can cause nerve and skin damage, and interferes with other measurements. Invasive measurement cannot be safely used in all conditions. Modified arterial tonometry may be an alternative for fast and continuous measurement. Our aim was to compare arterial tonometry sensor (BPro(®)) with invasive blood pressure measurement to clarify whether it could be utilized in the postoperative setting. 28 patients who underwent elective surgery requiring arterial cannulation were analyzed...
January 19, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28104526/total-navigation-in-spine-surgery-a-concise-guide-to-eliminate-fluoroscopy-using-a-portable-intraoperative-ct-3d-navigation-system
#4
Rodrigo Navarro-Ramirez, Gernot Lang, Xiaofeng Lian, Connor Berlin, Insa Janssen, Ajit Jada, Marjan Alimi, Roger Härtl
BACKGROUND: Portable intraoperative computed tomography (iCT) with integrated 3D navigation offers new opportunities for more precise navigation in spinal surgery, eliminates radiation exposure for the surgical team and accelerates surgical workflows. We present the concept of "total navigation" using iCT NAV in spinal surgery. Therefore, we propose a step-by-step guideline demonstrating how total navigation can eliminate fluoroscopy with time efficient workflows integrating iCT NAV into daily practice...
January 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28103971/-surgical-treatment-of-small-pulmonary-nodules-under-video-assisted-thoracoscopy-%C3%A2-a-report-of-129-cases
#5
Tong Wang, Tiansheng Yan, Feng Wan, Shaohua Ma, Keyi Wang, Jingdi Wang, Jintao Song, Wei He, Jie Bai, Liang Jin
BACKGROUND: The development of image technology has led to increasing detection of pulmonary small nodules year by year, but the determination of their nature before operation is difficult. This clinical study aimed to investigate the necessity and feasibility of surgical resection of pulmonary small nodules through a minimally invasive approach and the operational manner of non-small cell lung cancer (NSCLC). METHODS: The clinical data of 129 cases with pulmonary small nodule of 10 mm or less in diameter were retrospectively analyzed in our hospital from December 2013 to November 2016...
January 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28103903/intraoperative-radiotherapy-iort-as-boost-in-breast-cancer
#6
REVIEW
Felix Sedlmayer, Roland Reitsamer, Frederik Wenz, Elena Sperk, Christoph Fussl, Julia Kaiser, Ingrid Ziegler, Franz Zehentmayr, Heinz Deutschmann, Peter Kopp, Gerd Fastner
The term IORT (intraoperative radiotherapy) is currently used for various techniques that show huge differences in dose delivery and coverage of the tissue at risk. The largest evidence for boost IORT preceding whole breast irradiation (WBI) originates from intraoperative electron treatments (IOERT) with single doses around 10 Gy. At median follow-up periods at 6 years, outstandingly low local recurrence rates of less than 1% are observed. Higher local relapse rates were described for G3 tumors and triple negative breast cancers as well as for IORT following primary systemic treatment for locally advanced tumors...
January 19, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28103265/rabbit-model-of-human-gliomas-implications-for-intra-arterial-drug-delivery
#7
Huamin Qin, Miroslaw Janowski, Monica S Pearl, Izabela Malysz-Cymborska, Shen Li, Charles G Eberhart, Piotr Walczak
The prognosis for malignant brain tumors remains poor despite a combination of surgery, radiotherapy, and chemotherapy. This is partly due to the blood-brain barrier, a major obstacle that prevents therapeutic agents from effectively reaching the tumor. We have recently developed a method for precise and predictable opening of the blood-brain barrier via the intra-arterial administration of mannitol, a hyperosmolar agent, in a rabbit model, whose vascular anatomy facilitates the use of standard interventional neuroradiology techniques and devices...
2017: PloS One
https://www.readbyqxmd.com/read/28099985/-prospective-evaluation-of-the-quality-of-the-results-of-thyroid-surgery-in-an-ent-department
#8
Peter Rolf Issing, Hendrik Tebben, Martin Wenger, Torsten Köhler
Although the thyroid gland is located in the neck it is not a matter of fact that it is a clinical issue for the otorhinolaryngologist in Germany. Probably due to historic reasons general surgeons usually perform operations on the thyroid. As at our department this kind of treatment is an established procedure we prospectively evaluated our thyroid cases in order to present our results.The prospective study started in the year of 2014. So far 231 patients were enrolled with an average age of 53,5 years (16-89)...
January 18, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28099070/laparoscopic-rectal-dissection-assisted-by-transanal-endoluminal-videoendoscopy-through-a-blunt-tip-trocar
#9
Emanuele Asti, Andrea Lovece, Luigi Bonavina
BACKGROUND AND AIMS: Laparoscopic resection is a well-established approach for colorectal cancer surgery. In patients with rectal cancer treated by neoadjuvant chemoradiotherapy, it may be difficult to identify a clear safety margin for endostapling and subsequent anastomosis. We designed an innovative technical approach to assist colorectal anastomosis in these patients. TECHNIQUE: A four-trocar laparoscopic approach is used. After exploration of the abdominal cavity, the left colic flexure is completely mobilized...
January 18, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28097450/contemporary-thoughts-on-the-management-of-spigelian-hernia
#10
V Webber, C Low, R J E Skipworth, S Kumar, A C de Beaux, B Tulloh
BACKGROUND: Spigelian hernias are said to be a rare condition of the elderly population, usually arising below the arcuate line. Local experience has led us to challenge these commonly held beliefs. METHODS: Operations for Spigelian hernia from 2006-2016 were identified from the Edinburgh Lothian Surgical Audit computerised database and case notes were reviewed. RESULTS: One hundred and one patients underwent surgery for 107 Spigelian hernias in the 10-year period...
January 17, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28097209/fluorescence-guided-resection-of-brain-tumor-review-of-the-significance-of-intraoperative-quantification-of-protoporphyrin-ix-fluorescence
#11
REVIEW
Zheng Huang, Songsheng Shi, Haixia Qiu, Desheng Li, Jian Zou, Shaoshan Hu
Surgical removal of tumor mass is a common approach in the management of brain tumors. However, the precise delineation of normal tissue from tumor tissue for a complete resection of tumor mass in brain tumor surgery remains a difficult task for neurosurgeons. Aminolevulinic acid (ALA)-mediated exgogenous fluorescence of protoporphyrin IX (PpIX) is a sensitive approach for tumor imaging. Recent studies suggest that the use of ALA/PpIX-mediated fluorescence-guided resection (FGR) or fluorescence-guided surgery can enable more accurate and complete resection of brain tumors, especially when used in quantitative fashion...
January 2017: Neurophotonics
https://www.readbyqxmd.com/read/28097187/intraoperative-epiaortic-ultrasound-for-traumatic-pseudoaneurysm-of-the-ascending-aorta
#12
Michelle Eddins, Marco Aguirre, Jonathan Price, Michael Wait, Pietro Bajona
Epiaortic ultrasound is an imaging modality that is commonly used to evaluate the ascending aorta for atheroma and other mural lesions during elective cardiac surgery. Its use in contained aortic rupture has not been established. We present a case of thoracic trauma with contained pseudoaneurysm of the ascending aorta. At operation, the precise location of the aortic tear could not be identified by visual inspection, manual palpation, or transesophageal echocardiography. Epiaortic ultrasound was employed and the aortic defect was identified and successfully repaired...
June 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28096044/use-of-transesophageal-echocardiography-and-contrast-echocardiography-in-the-evaluation-of-cardiac-masses
#13
Hongmei Xia, Ling Gan, Yan Jiang, Qi Tang, Ping Zhang, Xuefeng Tang, Li Wen, Zheng Liu, Yunhua Gao
OBJECTIVES: To determine whether the combination of transesophageal echocardiography (TEE) and contrast echocardiography (CE) accurately diagnose suspected cardiac masses using large sample data. METHODS: Patients with cardiac masses undergoing surgical treatment were enrolled in this study. Routine transthoracic echocardiography (TTE) and TEE examinations were carried out, and CE examinations were carried out when needed. All patients' clinical data and imaging features were retrospectively reviewed...
January 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28095555/megasessions-for-robotic-hair-restoration
#14
Joa O Carlos Pereira, Joa O Carlos Pereira Filho, Joa O Pedro Cabrera Pereira
A robotic system can select and remove individual hair follicles from the donor area with great precision and without fatigue. This report describes the use of the robotic system in a megasession for hair restoration. Patients were instructed to cut their hair to 1.0 to 1.2 mm before surgery. The robot selected and removed 600 to 800 grafts per hour so the follicular units (FU)s could be transplanted manually to recipient sites. The robot arm consists of a sharp inner punch and a blunt outer punch which together separate FUs from the sur- rounding tissue...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28094096/component-columella-augmentation-in-cleft-nose-rhinoplasty-a-preliminary-study
#15
B Bohluli, P Varedi, M Sezavar, S Pakzad, S C Bagheri
The purpose of this study was to evaluate the outcome of a component columella augmentation technique in cleft nose rhinoplasty. This prospective study included rhinoplasty procedures in bilateral cleft nose patients treated by component columella augmentation technique. After surgery, all patients were followed up daily for the first week, and then at 1 month and 6 months postoperative. The following four parameters were assessed: nasal tip projection, infratip lobule length, infratip lobule-to-base distance, and columella-labial angle...
January 13, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28088226/use-of-an-intraoperative-navigation-system-for-retrieving-a-broken-dental-instrument-in-the-mandible-a-case-report
#16
Shintaro Sukegawa, Takahiro Kanno, Akane Shibata, Kenichi Matsumoto, Yuka Sukegawa-Takahashi, Kyosuke Sakaida, Yoshihiko Furuki
BACKGROUND: A fracture of root canal instruments, with a fractured piece protruding beyond the apex, is a troublesome incident during an endodontic treatment. Locating and retrieving them represents a challenge to maxillofacial surgeons because it is difficult to access due to the proximity between the foreign body and vital structures. Although safe and accurate for surgery, radiographs and electromagnetic devices do not provide a precise three-dimensional position. In contrast, computer-aided navigation provides a correlation between preoperatively collected data and intraoperatively encountered anatomy...
January 15, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28078822/development-and-testing-of-a-grasper-for-notes-powered-by-variable-stiffness-pneumatic-actuation
#17
Michele Gabrio Antonelli, Pierluigi Beomonte Zobel, Francesco Durante, Fabio Gaj
BACKGROUND: In natural orifice transluminal endoscopic surgery (NOTES) the peritoneal cavity is reached through natural orifices (mouth, rectus and transvaginal duct), by means of little cuttings in the walls of hollow organs. Due to narrow spaces, NOTES needs robotic systems to assure operation/movement precision and patient safety. Variable stiffness actuation (VSA) assures both requirements. METHODS: The authors developed a grasper for NOTES, provided with VSA, to use as an end-effector for snail robot devices...
January 12, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28078781/a-novel-conversion-method-for-radiographic-guide-into-surgical-guide
#18
Yao-Te Peng, Chung-Chih Tseng, Yi-Chun Du, Yen-Nien Chen, Chih-Han Chang
BACKGROUND: The study proposed a novel method for converting a radiographic guide into a surgical guide and evaluated its accuracy. MATERIALS AND METHODS: Radiographic guide was reformed with the addition of index rods for geometric conversion method (GCM). Planning implants were projected on geometric projection planes, and the implant positions were measured. The radiographic guide was converted into surgical guide using a generic bench drill machine with GCM data...
January 11, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28078405/-radiosurgery-and-fractionated-stereotactic-radiotherapy-of-vestibular-schwannoma
#19
K Hamm, H-U Herold, G Surber, S Rosahl
Management of vestibular schwannoma (VS) should always be interdisciplinary and results better than the natural course. Particularly in small VS, either microsurgical resection or radiosurgery (RS) can be employed. RS is a special method (initially only possible stereotactically) for delivering high-precision radiation from many directions to the target point (the isocenter) in a single high dose. With the development of three different systems-Gamma Knife (Elekta, Stockholm, Sweden), special linear accelerators, and CyberKnife (Accuray, Sunnyvale, CA, USA)-the options were extended to 1-5 fractions for RS and multisession RS (msRS), and to up to 6 weeks of conventional fractionation as stereotactic radiotherapy (SRT)...
January 11, 2017: HNO
https://www.readbyqxmd.com/read/28077110/the-first-rib-hypoplasia-and-the-aberrant-pulmonary-artery-branch-detected-by-three-dimensional-computed-tomography-in-a-surgical-case-with-apical-lung-cancer-a-case-report
#20
Yasoo Sugiura, Hiroyuki Fujimoto, Masao Naruke, Toshinori Hashizume, Shizuka Kaseda, Etsuo Nemoto
BACKGROUND: The complete resection is one of the most crucial requirements to achieve favorable outcomes in oncologic surgery. The apex of the lung is surrounded complicatedly by the clavicle, the first rib, the subclavian artery and vein, and the brachial plexus. Therefore, the image information especially about the infiltration of adjacent anatomic structures, facilitates the surgery in the apical lung cancer. CASE PRESENTATION: A 70-year-old man presented at our hospital with a computed tomography (CT) scan showing a tumor at the left lung apex that infiltrated the chest wall...
January 11, 2017: BMC Surgery
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