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https://www.readbyqxmd.com/read/29323660/laser-doppler-sensing-for-blood-vessel-detection-with-a-biologically-inspired-steerable-needle
#1
Vani Virdyawan, Matthew Oldfield, Ferdinando Rodriguez Y Baena
Puncturing blood vessels during percutaneous intervention in minimally invasive brain surgery can be a life threatening complication. Embedding a forward looking sensor in a rigid needle has been proposed to tackle this problem but, when using a rigid needle, the procedure needs to be interrupted and the needle extracted if a vessel is detected. As an alternative, we propose a novel optical method to detect a vessel in front of a steerable needle. The needle itself is based on a biomimetic, multi-segment design featuring four hollow working channels...
January 11, 2018: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/29322892/could-the-orthopaedic-surgeon-deployed-in-austere-setting-perform-flaps-on-the-leg
#2
O Barbier, D Ollat, P Pasquier, S Rigal, G Versier
The orthopaedic military surgeons deployed in operations are led to perform soft tissue coverage on the lower limb. The purpose of this study was to evaluate if flaps performed by surgeons' non-specialist in reconstructive surgery are associated with good outcome. All patients operated for a flap on the leg in French Forward Surgical Team deployed in theatre of operations between 2003 and 2013 were retrospectively reviewed. Forty-nine patients were included, for a total of 54 flaps' procedures. Indications were open fractures in 25 cases and osseous infections in 29 cases...
March 2017: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29319494/risk-of-tumor-progression-in-colon-carcinoma-resection-and-perioperative-prophylaxis-with-polyvalent-immunoglobulins-per-aspera-ad-astra
#3
Reinhard Lissner, Martin Gasser, Anna M Waaga-Gasser, Barry G Woodcock
There is strong evidence that tumor progression in the postoperative period is attributable to the influx of lipopolysaccharides (LPS) into the blood from the gastrointestinal (GI) lumen. Although several research groups have emphasized the need to neutralize LPS antigens from the GI tract to prevent tumor progression and reduce the inflammatory response, a therapeutic option to achieve this has not been put forward hitherto. Enterally applied immunoglobulins (IgG) in the form of colostrum concentrates are able to neutralize LPS antigens from the GI tract and to reduce the inflammatory response during abdominal surgery...
January 10, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29318178/outcomes-after-dermal-allograft-reconstruction-of-chronic-or-subacute-pectoralis-major-tendon-ruptures
#4
Julie A Neumann, Christopher M Klein, Carola F van Eck, Hithem Rahmi, John M Itamura
Background: Avoiding delay in the surgical management of pectoralis major (PM) ruptures optimizes outcomes. However, this is not always possible, and when a tear becomes chronic or when a subacute tear has poor tissue quality, a graft can facilitate reconstruction. Purpose: The primary aim was to evaluate the clinical outcomes of PM reconstruction with dermal allograft augmentation for chronic tears or for subacute tears with poor tissue quality. A second aim was to determine patient and surgical factors affecting outcome...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29315181/cochlear-implant-surgery-and-the-risk-of-falls-in-an-adult-population
#5
Julia Louza, Caspar Leon Klappert, Georg Ledderose, Robert Gürkov, Eike Krause
OBJECTIVE: To determine the effect of cochlear implant surgery on the balance and risk of falls in an adult patient population using a mobile posturograph. DESIGN: Prospective clinical pilot study. SETTING: Cochlear implant center at a tertiary referral hospital. SUBJECTS AND METHODS: Twenty adult patients undergoing cochlear implant surgery were tested using a mobile posturograph (VertiGuard). The standard balancing deficit test, or the geriatric standard balancing deficit test protocol (for patients older than 60 yr), was performed both 1 day before and 3 to 5 days after surgery...
February 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29313504/anesthetic-activities-provided-by-the-french-forward-surgical-team-in-abidjan-ivory-coast-four-year-retrospective-analysis
#6
B Prunet, S Schmitt, J Le Gouellec, J Schmitt, J Cotte, C Nguyen, P Esnault, E Meaudre
The aims of this study were to review and quantify the types of anesthetic procedures performed by anesthesiologists assigned to the forward surgical team (FST) deployed in Abidjan, Ivory Coast. The study includes all patients undergoing surgery by the FST from July 2012 through July 2016. The activity was retrospectively analyzed and divided according to demographics, surgical specialties, emergency versus elective surgery, types of anesthetic and post-operative analgesic procedures, and transfusion aspects...
November 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/29311019/the-ideal-ear-position-in-caucasian-females
#7
P Niclas Broer, Aung Thiha, Denis Ehrl, Sammy Sinno, Sabrina Juran, Caroline Szpalski, Reuben Ng, Milomir Ninkovic, Lukas Prantl, Paul I Heidekrueger
PURPOSE: Ear position contributes significantly to facial appearance. However, while objective measurements remain the foundation for esthetic evaluations, little is known about how an ear should ideally be positioned regarding its rotational axis. This study aimed to further evaluate whether there exists a universally applicable ideal ear axis, and how sociodemographic factors impact such preferences. MATERIALS AND METHODS: An interactive online survey was designed, enabling participants to change the axis of a female model's ear in terms of its forward and backward rotation...
December 26, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29305100/clinical-outcomes-of-minimally-invasive-open-reduction-and-internal-fixation-by-screw-and-washer-for-displaced-greater-tuberosity-fracture-of-the-humerus
#8
Tae-Hwan Yoon, Chong-Hyuk Choi, Yun-Rak Choi, Jong-Taek Oh, Yong-Min Chun
BACKGROUND: The purpose of this study was to investigate clinical and radiologic outcomes of open reduction and internal fixation with a screw and washer for a displaced greater tuberosity fracture of the proximal humerus through a small incision. METHODS: We retrospectively reviewed 29 patients who underwent open reduction and internal fixation with a screw and washer for a greater tuberosity fracture of the proximal humerus. After surgery, the patients were immobilized in a brace for 4 weeks...
January 3, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29301132/optical-measurements-during-deep-brain-stimulation-lead-implantation-safety-aspects
#9
Peter Zsigmond, Simone Hemm-Ode, Karin Wårdell
BACKGROUND: Intracerebral hemorrhage (ICH) is the most feared complication in deep brain stimulation (DBS) surgery. The aim of the study was to evaluate patient safety and outcome using laser Doppler flowmetry (LDF) as guidance tool during DBS implantations. METHODS: An LDF probe adapted for the stereotactic system was used as guide for creation of the trajectory. The microcirculation along 83 preplanned trajectories was measured with the guide during DBS surgery for movement disorders...
January 5, 2018: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/29300250/postoperative-disability-after-long-corrective-fusion-to-the-pelvis-in-elderly-patients-with-spinal-deformity
#10
Daisuke Togawa, Tomohiko Hasegawa, Yu Yamato, Go Yoshida, Sho Kobayashi, Tatsuya Yasuda, Shin Oe, Tomohiro Banno, Hideyuki Arima, Yuki Mihara, Hiroki Ushirozako, Yukihiro Matsuyama
STUDY DESIGN: Prospective case series analysis. OBJECTIVE: The purpose of this study was to investigate the degree of difficulty in daily activities of adult spinal deformity (ASD) patients after corrective long fusion to the pelvis, with emphasis on bend forward activities. SUMMARY OF BACKGROUND DATA: No prospective studies have been reported regarding the postoperative impairments and their time course after long fusion in ASD patients. METHODS: One-hundred-three patients (26 men, 77 women; mean age 68 [50-82]) who underwent corrective long fusion from the thoracic spine to the pelvis were included...
January 3, 2018: Spine
https://www.readbyqxmd.com/read/29297864/medical-tattooing-the-new-frontiers-a-case-of-nail-bed-treatment
#11
Alberto Renzoni, Antonia Pirrera, Alessandra Lepri, Paolo Cammarata, Rita Molinaro, Alessandro Dalla Vedova
The primary objective of medical tattooing is to restore part of a patient's physical integrity. Moreover, the procedure seeks to assist in psychological recovery from the physical and/or psychological consequences of disease, surgery or trauma. The method described in this brief note marks a step forward in the field of such tattooing. The treatment simulates reconstruction of the nail bed, as the nails of the big toes had previously been removed through a surgical avulsion procedure. This treatment, agreed with the physician and performed by a tattooist with proven experience in medical tattooing, also involved the use of specific colour nuances that resulted in an extremely realistic outcome...
October 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/29295590/proposal-of-a-novel-natural-biomaterial-the-scleral-ossicle-for-the-development-of-vascularized-bone-tissue-in-vitro
#12
Marta Checchi, Jessika Bertacchini, Giulia Grisendi, Alberto Smargiassi, Antonella Sola, Massimo Messori, Carla Palumbo
Recovering of significant skeletal defects could be partially abortive due to the perturbations that affect the regenerative process when defects reach a critical size, thus resulting in a non-healed bone. The current standard treatments include allografting, autografting, and other bone implant techniques. However, although they are commonly used in orthopedic surgery, these treatments have some limitations concerning their costs and their side effects such as potential infections or malunions. On this account, the need for suitable constructs to fill the gap in wide fractures is still urgent...
December 25, 2017: Biomedicines
https://www.readbyqxmd.com/read/29290484/pulsed-wave-doppler-recordings-in-the-proximal-descending-aorta-in-patients-with-chronic-aortic-regurgitation-insights-from-cardiovascular-magnetic-resonance
#13
Odd Bech-Hanssen, Christian L Polte, Frida Svensson, Åse A Johnsson, Kerstin M Lagerstrand, Ulf Cederbom, Sinsia A Gao
BACKGROUND: The pulsed-wave Doppler recording in the descending aorta (PWDDAO) is one of the parameters used in grading aortic regurgitation (AR) severity. The aim of the present study was to investigate the assessment of chronic AR by PWDDAO with insights from cardiovascular magnetic resonance (CMR). METHODS: This prospective study comprised 40 patients investigated with echocardiography and CMR within 4 hours either prior to valve surgery (n = 23) or as part of their follow-up (n = 17) due to moderate or severe AR...
December 29, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29290078/is-300-seconds-act-safe-and-efficient-during-miecc-procedures
#14
Adrian Bauer, Harald Hausmann, Jan Schaarschmidt, Michal Szlapka, Martin Scharpenberg, Thomas Eberle, J Michael Hasenkam
INTRODUCTION:  The recommended minimum activated clotting time (ACT) level for cardiopulmonary bypass (CPB) of 480 seconds originated from investigations with bubble oxygenators and uncoated extracorporeal circulation (ECC) systems. Modern minimal invasive ECC (MiECC) systems are completely closed circuits containing a membrane oxygenator and a tip-to-tip surface coating. We hypothesized that surface coating and the "closed-loop" design allow the MiECC to safely run with lower ACT levels and that an ACT level of 300 seconds can be safely applied without thromboembolic complications...
December 31, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29287206/effect-of-lumbar-spinal-fusion-surgery-on-the-association-of-self-report-measures-with-objective-measures-of-physical-function
#15
Felix Stief, Andrea Meurer, Johanna Wienand, Michael Rauschmann, Marcus Rickert
BACKGROUND: Self-report measures are used to evaluate surgery outcome but are not necessarily indicative of actual disabilities. RESEARCH QUESTION: The aim of the present study was to determine the association between self-report assessments of quality of life and objective measures of function in patients with symptomatic lumbar degenerative disease. Additionally, we evaluated the effect of lumbar spinal fusion surgery on this relationship. METHODS: Before and 6 month after surgery 26 patients completed self-report questionnaires and assessments of 3D gait analysis and trunk range of motion (ROM) during standing...
December 19, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29285642/association-of-delivery-system-integration-and-outcomes-for-major-cancer-surgery
#16
Jonathan Li, Zaojun Ye, James M Dupree, Brent K Hollenbeck, Hye Sung Min, Deborah Kaye, Lindsey A Herrel, David C Miller, Chad Ellimoottil
BACKGROUND: Integrated delivery systems (IDSs) are postulated to reduce spending and improve outcomes through successful coordination of care across multiple providers. Nonetheless, the actual impact of IDSs on outcomes for complex multidisciplinary care such as major cancer surgery is largely unknown. METHODS: Using 2011-2013 Medicare data, this study identified patients who underwent surgical resection for prostate, bladder, esophageal, pancreatic, lung, liver, kidney, colorectal, or ovarian cancer...
December 29, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29285414/deep-brain-stimulation-for-obsessive-compulsive-disorder-knowledge-and-concerns-among-psychiatrists-psychotherapists-and-patients
#17
Matilda Naesström, Patric Blomstedt, Marwan Hariz, Owe Bodlund
Background: Deep brain stimulation (DBS) is under investigation for severe obsessive-compulsive disorder (OCD) resistant to other therapies. The number of implants worldwide is slowly increasing. Therefore, it is of importance to explore knowledge and concerns of this novel treatment among patients and their psychiatric healthcare contacts. This information is relevant for scientific professionals working with clinical studies for DBS for this indication. Especially, for future study designs and the creation of information targeting healthcare professionals and patients...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29283018/a-practical-clinical-kinematic-model-for-the-upper-limbs
#18
Jonathan J Noble, Nicola Rd Fry, Carly R Bingham, Rebecca H East, Adam P Shortland
A novel clinically practical upper limb model is introduced that has been developed through clinical use in children and adults with neurological conditions to guide surgery to the elbow and wrist. This model has a minimal marker set, minimal virtual markers, and no functional joint centres to minimise the demands on the patient and duration of data collection. The model calculates forearm supination independently from the humerus segment, eliminating any errors introduced by poor modelling of the shoulder joint centre...
December 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29275608/-application-of-the-supine-position-in-microsurgery-for-lesions-of-the-cerebellopontine-angle
#19
J Q Li, G Chen, X Li, Z Wang, D Zhou
Objective: To validate the usefulness of the supine position in microsurgery for lesions of the cerebellopontine angle (CPA) by the retrosigmoid approach. Methods: Thirty-nine patients with lesions (22 cases of tumor, 11 cases of trigeminal neuralgia and 6 cases of hemifacial spasm) of the CPA underwent tumor resection surgery or microvascular decompression surgery (MVDS). The patients were operated on in the supine position by retrosigmoid approach with the head turned 50 to 60 degrees away from the lesion and with slight forward flexion of the neck...
December 12, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29260143/single-incision-laparoscopic-adrenalectomy-in-a-patient-with-acute-hypokalemic-paralysis-due-to-primary-hyperaldosteronism
#20
Lütfi Soylu, Oğuz Uğur Aydın, Mustafa Cesur, Serdar Özbaş, Selçuk Hazinedaroğlu
Acute hypokalemic paralysis is a relatively rare cause of acute weakness. It may resolve spontaneously; however, it may be a potential life-threatening condition. Hypertension may be considered the most important finding in combination with hypokalemic paralysis for raising the suspicion of primary hyperaldosteronism (PHA). A 55-year-old hypertensive Mexican woman was admitted to the Emergency Unit with a sudden onset of generalized paralysis. An endocrinological workup and an abdominal magnetic resonance imaging revealed PHA with a 1...
2017: Turkish Journal of Surgery
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