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https://www.readbyqxmd.com/read/29782446/minimally-invasive-proximal-interphalangeal-joint-arthrodesis-using-headless-screw-surgical-technique
#1
Elizabeth A Newman, Maria C Orbay, Fiesky A Nunez, Fiesky Nunez
Proximal interphalangeal (PIP) joint arthritis causes debilitating hand pain and instability leading to significant functional impairment. Arthrodesis remains the gold standard for treatment of PIP arthritis. We present a minimally invasive PIP arthrodesis that provides rigid fixation with a headless compression screw. Seven patients who presented to the senior author with PIP joint arthritis underwent PIP arthrodesis by minimally invasive technique. A 1 cm transverse incision is made over the PIP joint, incising skin, central band, and articular capsule...
June 2018: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/29780786/-ex-utero-intrapartum-treatment-procedure-in-two-fetuses-with-airway-obstruction
#2
Joohee Lee, Mi-Young Lee, Yeni Kim, Jae-Yoon Shim, Hye-Sung Won, Euiseok Jeong, Byong Sop Lee, Ki-Soo Kim, Woo-Jong Choi, Yoon Se Lee
The ex utero intrapartum treatment (EXIT) procedure was introduced to reduce fetal hypoxic damage while establishing an airway in fetuses with upper and lower airway obstruction. Delivery of the fetal head and shoulders while maintaining the uteroplacental circulation offers time to secure the fetal airway. Here, we report two cases of EXIT procedure for fetal airway obstruction, which were successfully managed with extensive preoperative planning by a professional multidisciplinary team.
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29765790/direct-posterior-bipolar-cervical-facet-radiofrequency-rhizotomy-a-simpler-and-safer-approach-to-denervate-the-facet-capsule
#3
Ovidiu Palea, Haroon M Andar, Ramon Lugo, Michelle Granville, Robert E Jacobson
Radiofrequency cervical rhizotomy has been shown to be effective for the relief of chronic neck pain, whether it be due to soft tissue injury, cervical spondylosis, or post-cervical spine surgery. The target and technique have traditionally been taught using an oblique approach to the anterior lateral capsule of the cervical facet joint. The goal is to position the electrode at the proximal location of the recurrent branch after it leaves the exiting nerve root and loops back to the cervical facet joint. The standard oblique approach to the recurrent nerve requires the testing of both motor and sensory components to verify the correct position and ensure safety so as to not damage the slightly more anterior nerve root...
March 14, 2018: Curēus
https://www.readbyqxmd.com/read/29764283/minimally-invasive-thread-trigger-digit-release-a-preliminary-report-on-34-digits-of-the-adult-hands
#4
Danqing Guo, Logan McCool, Alexander Senk, Brionn Tonkin, Joseph Guo, Rachel M Lytie, Danzhu Guo
The trigger finger release was performed in 34 digits (11 thumbs and 23 fingers) of 24 patients through the thread transecting technique with the tip-to-tip approach, in which a 22-gauge needle inserts into a 18-gauge needle when both needles are inside the hand, guiding the 22-gauge needle to exit the hand at the same access point of 18-gauge needle. We prospectively evaluated the effectiveness and functional recovery of these patients. In all 34 digits, triggering and locking were resolved, and complete extension and flexion occurred immediately following the release...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29762775/combination-superficial-temporal-artery-middle-cerebral-artery-bypass-and-m2-m2-reanastomosis-with-trapping-of-a-stented-distal-middle-cerebral-artery-aneurysm-3-dimensional-operative-video
#5
Jan-Karl Burkhardt, Sonia Yousef, Halima Tabani, Arnau Benet, Roberto Rodriguez Rubio, Michael T Lawton
Distal middle cerebral artery (MCA) aneurysms often have non-saccular morphology and cannot be clipped, requiring revascularization and trapping instead. Combination bypasses are needed when 2 arteries exit the aneurysm, and extracranial-intracranial and intracranial-intracranial bypasses can be used. This video demonstrates a combination bypass used to treat a previously stented distal MCA aneurysm with both a superficial temporal artery (STA)-to-MCA bypass and an M2-to-M2 reanastomosis. This 56-yr-old man presented with distal left-sided MCA aneurysm 2 years earlier and attempted stent-assisted coiling was aborted after the aneurysm was perforated with stenting alone...
May 12, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29762446/prospective-analysis-of-the-greater-occipital-nerve-location-in-patients-undergoing-occipital-nerve-decompression
#6
Jacqueline S Israel, Steve J Kempton, Ahmed M Afifi
BACKGROUND: Migraine surgery and onabotulinumtoxinA injections aim to deactivate neurovascular trigger points implicated in chronic headaches. The greater occipital nerve (GON) is a common trigger point. The depth of this nerve has not been previously described. The purpose of this study was to report the intraoperative location, including depth, of the GON in human subjects undergoing migraine surgery. METHODS: We reviewed records of patients who underwent GON decompression by a single surgeon...
May 14, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29759434/pulmonary-vein-re-isolation-as-a-routine-strategy-regardless-of-symptoms-the-pressure-randomized-controlled-trial
#7
Moloy Das, Gareth J Wynn, Yawer Saeed, Sean Gomes, Maureen Morgan, Christina Ronayne, Laura J Bonnett, Johan E P Waktare, Derick M Todd, Mark C S Hall, Richard L Snowdon, Simon Modi, Dhiraj Gupta
OBJECTIVES: The goal of this study was to determine whether a strategy of early re-isolation of pulmonary vein (PV) reconnection in all patients, regardless of symptoms, would reduce the recurrence of atrial fibrillation (AF) and improve quality of life. BACKGROUND: Lasting pulmonary vein isolation (PVI) remains elusive. PV reconnection is strongly linked to the recurrence of arrhythmia. METHODS: A total of 80 patients with paroxysmal AF were randomized 1:1 after contact force-guided PVI to receive either standard care or undergo a repeat electrophysiology study after 2 months regardless of symptoms (repeat study)...
June 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29753788/installation-validation-and-application-examples-of-two-instrumental-setups-for-gas-phase-hdx-ms-analysis-of-peptides-and-proteins
#8
Ulrik H Mistarz, Kasper D Rand
Gas-phase hydrogen/deuterium exchange measured by mass spectrometry in a millisecond timeframe after ESI (gas-phase HDX-MS) is a fast and sensitive, yet unharnessed method to analyze the primary- and higher-order structure, intramolecular and intermolecular interactions, surface properties, and charge location of peptides and proteins. During a gas-phase HDX-MS experiment, heteroatom-bound non-amide hydrogens are made to exchange with deuterium during a millisecond timespan after electrospray ionization (ESI) by reaction with the highly basic reagent ND3 , enabling conformational analysis of protein states that are pertinent to the native solution-phase...
May 10, 2018: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/29735254/door-openings-in-the-operating-room-are-associated-with-increased-environmental-contamination
#9
Priscilla Perez, Julia Holloway, Lucy Ehrenfeld, Susan Cohen, Linda Cunningham, Gerald B Miley, Brian L Hollenbeck
Door openings in the operating room (OR) have been hypothesized to increase OR environmental contamination. This study measured average colony-forming units (CFU) in the OR as a function of door openings and other potentially important variables. Bacterial settle plates were placed inside and outside of laminar airflow (LAF) by both exit doors, on the instrument table, and on the back instrument table (if applicable) for 48 orthopedic and general surgery procedures. CFU data were paired to Staphylococcus aureus colonization status, door openings, surgery duration, time of day, OR location, number of staff, use of warming devices, temperature, and humidity...
May 4, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29733329/effectiveness-of-a-chlorhexidine-dressing-on-silver-coated-external-ventricular-drain-associated-colonization-infection-a-prospective-single-blinded-randomized-controlled-clinical-trial-evdai-study
#10
Michel Roethlisberger, Giusi Moffa, Urs Fisch, Benedikt Wiggli, Stephan Schoen, Christopher Kelly, Severina Leu, Davide Croci, Daniel W Zumofen, Nadine Cueni, Danica Nogarth, Marianne Schulz, Heiner C Bucher, Maja Weisser-Rohacek, Morten-Goetz Wasner, Andreas F Widmer, Luigi Mariani
Background: Observational studies have shown that dressings containing chlorhexidine gluconate (CHX) lower the incidence external ventricular drain (EVD) associated infections (EVDAI). This prospective, randomized controlled trial (RCT) studies the efficacy of CHX-containing dressings in reducing bacterial colonization, which represents an important risk factor for infectious complications. Methods: In this single-site, prospective, double-blinded RCT, patients aged ≥18 undergoing emergency EVD placement were randomly given either a CHX- or an otherwise identical control dressing at the skin exit wound of the EVD...
May 4, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29721116/ventricular-tachycardia-storm-originating-from-interventricular-septum-successfully-treated-with-surgical-cryoablation-with-electroanatomic-and-electrophysiological-mapping-before-dual-valve-replacement
#11
Iwanari Kawamura, Seiji Fukamizu, Satoshi Miyazawa, Rintaro Hojo, Fusahiko Ito, Masazumi Watanabe, Mitsuhiro Nishizaki, Harumizu Sakurada, Masayasu Hiraoka
A 58-year-old man with dilated cardiomyopathy was admitted with heart failure. He had a history of two catheter ablation procedures for ventricular tachycardia (VT) originating from the intraventricular septum (IVS). Before dual valve replacement (DVR), he suffered a VT storm. An electrophysiological study revealed an extended low-voltage area at the IVS with the exit of the induced VT at the anterior side. Radiofrequency application was performed at the VT exit as a landmark for surgical cryoablation (SA)...
February 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29702740/localization-of-ventricular-activation-origin-using-patient-specific-geometry-preliminary-results
#12
Shijie Zhou, John L Sapp, Amir AbdelWahab, Petr Šťovíček, B Milan Horáček
BACKGROUND AND OBJECTIVES: Catheter ablation of ventricular tachycardia (VT) may include induction of VT and localization of VT-exit site. Our aim was to assess localization performance of a novel statistical pace-mapping method and compare it with performance of an electrocardiographic inverse solution. METHODS: Seven patients undergoing ablation of VT (4 with epicardial, 3 with endocardial exit) aided by electroanatomic mapping underwent intraprocedural 120-lead body-surface potential mapping (BSPM)...
April 27, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29699583/recurrent-upper-lumbar-disc-herniation-treated-via-the-transforaminal-approach-using-microendoscopy-assisted-lumbar-discectomy-a-case-report
#13
Yasutaka Takagi, Hiroshi Yamada, Hidehumi Ebara, Hiroyuki Hayashi, Satoshi Kidani, Kazu Toyooka, Yoshiyuki Kitano, Kenji Kagechika, Hiroyuki Tsuchiya
BACKGROUND: Although microendoscopy-assisted lumbar discectomy for lateral or extraforaminal lumbar disc herniations via the lateral approach has previously been reported, microendoscopy-assisted lumbar discectomy for central or paramedian disc herniations via the lateral approach has not been reported. We report the first case of recurrent upper lumbar disc herniation (L2-L3) treated with microendoscopy-assisted lumbar discectomy via the transforaminal approach. No microendoscopy-assisted lumbar discectomy for recurrent upper lumbar disc herniation via the transforaminal approach has previously been reported...
April 27, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29697597/epicardial-biatrial-ablation-with-integrated-uni-bipolar-radiofrequency-technology-in-stand-alone-persistent-atrial-fibrillation
#14
Fabrizio Rosati, Claudio Muneretto, Elisa Merati, Gianluca Polvani, Massimo Moltrasio, Claudio Tondo, Antonio Curnis, Manuel Cerini, Alexandre Metras, Gianluigi Bisleri
OBJECTIVE: Although minimally invasive approaches for surgical treatment of stand-alone atrial fibrillation have gained popularity for the past decade, ablation technology and extensive lesion sets play a major role in the achievement of a successful procedure, especially in presence of persistent and long-standing persistent atrial fibrillation. We evaluated clinical outcomes after totally endoscopic biatrial epicardial ablation of persistent atrial fibrillation with a novel integrated uni-bipolar radiofrequency device...
March 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29669580/the-bionomics-of-the-malaria-vector-anopheles-rufipes-gough-1910-and-its-susceptibility-to-deltamethrin-insecticide-in-north-cameroon
#15
Parfait H Awono-Ambene, Josiane Etang, Christophe Antonio-Nkondjio, Cyrille Ndo, Wolfgang Ekoko Eyisap, Michael C Piameu, Elysée S Mandeng, Ranaise L Mbakop, Jean Claude Toto, Salomon Patchoke, Abraham P Mnzava, Tessa B Knox, Martin Donnelly, Etienne Fondjo, Jude D Bigoga
BACKGROUND: Following the recent discovery of the role of Anopheles rufipes Gough, 1910 in human malaria transmission in the northern savannah of Cameroon, we report here additional information on its feeding and resting habits and its susceptibility to the pyrethroid insecticide deltamethrin. METHODS: From 2011 to 2015, mosquito samples were collected in 38 locations across Garoua, Mayo Oulo and Pitoa health districts in North Cameroon. Adult anophelines collected using outdoor clay pots, window exit traps and indoor spray catches were checked for feeding status, blood meal origin and Plasmodium circumsporozoite protein...
April 18, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29652320/-bronchial-fistula-management-is-the-exit-found
#16
I Ya Motus, A V Bazhenov, A S Tsvirenko, R T Basyrov, P M Kholny, L V Kardapoltsev, P P Pechnikov
AIM: To present treatment of bronchial fistulas by using of occluders. MATERIAL AND METHODS: For the period from March 2015 to October 2016 Atrial Septal Defect (ASD) occluders have been used for bronchial fistulas occlusion (Lepu Medical Technology Co., Ltd.; Lifetech Scientific Co., Ltd.). These are devices designed to close ventricular and atrial septal defects. The procedure was performed in 8 patients with main bronchus fistula occurred after pulmonectomy for tuberculosis in 5 patients and lung cancer in 3 patients...
2018: Khirurgiia
https://www.readbyqxmd.com/read/29652243/dorsal-rhizotomy-for-children-with-spastic-diplegia-of-cerebral-palsy-origin-usefulness-of-intraoperative-monitoring
#17
George Georgoulis, Andrei Brînzeu, Marc Sindou
OBJECTIVE The utility of intraoperative neuromonitoring (ION), namely the study of muscle responses to radicular stimulation, remains controversial. The authors performed a prospective study combining ventral root (VR) stimulation for mapping anatomical levels and dorsal root (DR) stimulation as physiological testing of metameric excitability. The purpose was to evaluate to what extent the intraoperative data led to modifications in the initial decisions for surgical sectioning established by the pediatric multidisciplinary team (i...
April 13, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29617905/microvascular-decompression-of-facial-nerve-and-pexy-of-the-left-vertebral-artery-for-left-hemifacial-spasm-3-dimensional-operative-video
#18
Chun-Yu Cheng, Rakshith Shetty, Vicente Martinez, Laligam N Sekhar
A 73-yr-old man presented with intractable left hemifacial spasm of 4 yr duration. Brain magnetic resonance imaging showed significant compression of left facial nerve by the left vertebral artery (VA) and anterior inferior cerebellar artery (AICA).The patient underwent a left retrosigmoid craniotomy and a microvascular decompression of the cranial nerve (CN) VII. Intraoperatively, we found that the distal AICA had a protracted subarcuate extradural course.1 This was relieved by intra/extradural dissection...
March 29, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29603935/age-related-changes-in-on-and-off-responses-to-luminance-increments-and-decrements
#19
Keizo Shinomori, Athanasios Panorgias, John S Werner
Impulse response functions for an incremental luminous pulse (ON flash) or a decremental luminous pulse (OFF flash) were derived for twelve young (19-24 years old) and ten old (65-84 years old) observers. Thresholds were measured for two pulses separated by stimulus-onset-asynchronies from 13.3 to 186.7 ms. The pulses had a spatial Gaussian shape and were presented as increments or decrements on a 15  cd/m2 equal-energy white background, having the same chromaticity as the pulse. A spatial four-alternative forced-choice method was combined with a staircase procedure...
April 1, 2018: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29603710/utilizing-the-gentlewave%C3%A2-system-for-debridement-of-undetected-apical-anatomy
#20
Michael W Ford
AIM AND BACKGROUND: Debriding and disinfecting complex anatomies within the root canal system pose a major challenge during root canal therapy. Even with current chemomechanical techniques, debris and bacterial remnants are commonly left behind, which are generally believed to increase the risk of endodontic failure. This case details the use of a new technique to debride complex apical anatomy in a maxillary molar. CASE REPORT: A 48-year-old female presented to the clinic with a chief complaint of increasing pain in her tooth...
March 1, 2018: Journal of Contemporary Dental Practice
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