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https://www.readbyqxmd.com/read/28931256/the-posterior-transcallosal-approach-to-the-pineal-region-and-posterior-third-ventricle-intervenous-and-paravenous-variants
#1
Prayash G Patel, Aaron A Cohen-Gadol, Philippe Mercier, Frederick A Boop, Paul Klimo
BACKGROUND: There are a number of surgical approaches to the posterior third ventricle and pineal region, each with its associated advantages and disadvantages. OBJECTIVE: To present our experience with the posterior interhemispheric transcallosal approach and to analyze the indications, technique, and outcomes. METHODS: A retrospective study was conducted to identify and analyze all children and young adults who underwent the posterior transcallosal approach from July 2010 to March 2015...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931253/relationship-of-the-optic-nerve-to-the-medial-rectus-muscle-during-endonasal-dissection-of-the-medial-intraconal-orbital-apex
#2
Dmitriy Petrov, John Craig, Jayesh Thawani, Kalil Abdullah, James N Palmer, Nithin D Adappa, John Y K Lee
BACKGROUND: Few studies have established surgical landmarks for endoscopic endonasal dissection of the intraconal orbital apex (OA). OBJECTIVE: We describe the optic nerve (ON) anatomy and its relationships, as seen during a fully endoscopic, endonasal approach to the medial intraconal OA. METHODS: The study question was approached through a cadaver dissection and a radiographic study. Four formalin-fixed, latex-injected cadaver heads were dissected using transnasal endoscopic techniques...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931028/the-efficacy-of-extracorporeal-shockwave-lithotripsy-for-symptomatic-ureteral-stones-predictors-of-treatment-failure-without-the-assistance-of-computed-tomography
#3
Bing-Juin Chiang, Chun-Hou Liao, Yu-Hua Lin
OBJECTIVES: Non-contrast computed tomography (NCCT) is not always performed clinically if the diagnosis of ureteral calculi has been confirmed using other radiographic imaging modalities. The aim of this study was to identify predictors of successful extracorporeal shockwave lithotripsy (ESWL) without assistance of NCCT. METHODS: We retrospectively reviewed the medical records of patients with symptomatic solitary ureteral stones who underwent ESWL between November 2015 and January 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28930851/an-analysis-of-foreign-body-ingestion-treatment-below-the-pylorus-in-children
#4
Wei Wu, Zhibao Lv, Weijue Xu, Jiangbin Liu, Qingfeng Sheng
We retrospectively studied records of patients who received conservative therapy or surgical operation for ingested foreign body (FB) located below the pylorus, and aimed to analyze the different treatment methods including prevention or operation of foreign bodies (FBs) when we found them in children of different age.The records of 16 patients (11 men and 5 women) who were hospitalized for FB ingestion between 2011 June and 2014 June were evaluated retrospectively. Mean age of the patients was 5.5 years (65...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28929865/false-positive-screens-and-lung-cancer-risk-in-the-national-lung-screening-trial-implications-for-shared-decision-making
#5
Paul F Pinsky, Christina R Bellinger, David P Miller
Objectives Low-dose computed tomography lung cancer screening has been shown to reduce lung cancer mortality but has a high false-positive rate. The precision medicine approach to low-dose computed tomography screening assesses subjects' benefits versus harms based on their personal lung cancer risk, where harms include false-positive screens and resultant invasive procedures. We assess the relationship between lung cancer risk and the rate of false-positive LDCT screens. Methods The National Lung Screening Trial randomized high-risk subjects to three annual screens with low-dose computed tomography or chest radiographs...
January 1, 2017: Journal of Medical Screening
https://www.readbyqxmd.com/read/28929204/salvage-of-a-monoblock-metal-on-metal-cup-using-a-dual-mobility-liner-a-two-year-mri-follow-up-study
#6
Maximilian F Kasparek, Lisa Renner, Martin Faschingbauer, Wenzel Waldstein, Kilian Rueckl, Friedrich Boettner
PURPOSE: Revision of failed modular metal-on-metal total hip replacement (MoM-THA) can be technically difficult. A dual mobility liner can help to salvage a well-fixed acetabular component. The present paper reports the clinical and radiographic outcome of revision of failed Birmingham modular MoM-THA using a dual mobility liner. METHODS: The present study reports on ten patients (3 female and 7 male) with 11 revision THAs. Patients underwent revision an average of 51 months (range 40-73 months) after index procedure...
September 19, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28929195/patterns-of-bone-tracer-uptake-on-spect-ct-in-symptomatic-and-asymptomatic-patients-with-primary-total-hip-arthroplasty
#7
Thierry Schweizer, Filippo-Franco Schiapparelli, Niccolo Rotigliano, Helmut Rasch, Felix Amsler, Michael T Hirschmann
PURPOSE: The primary purpose of this study was to compare bone tracer uptake (BTU) on SPECT/CT in symptomatic and asymptomatic total hip arthroplasty (THA) and identify a possible relationship between BTU patterns and patient's symptoms. The secondary purpose was to investigate if the fixation methods (cemented versus uncemented) lead to different BTU patterns. METHODS: A total of 58 THAs, 31 symptomatic (group S) and 27 asymptomatic (group AS), were prospectively collected and retrospectively analyzed...
September 19, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28929063/lymph-node-central-necrosis-on-the-computed-tomography-as-the-predictor-of-the-extra-capsular-spread-in-metastatic-head-and-neck-squamous-cell-carcinoma
#8
Aditi Sharma, Ashwin Ashok Jaiswal, Girish Umredkar, Ratiram Barle, Neeta Sharma, Praveer Kumar Banerjee, Amrish Kumar Garg, Ravindranath Membally
The aim of this study is to investigate the relationship between the presence of the cervical lymph node with central necrosis as on the preoperative imaging and postoperative histopathological identification of the lymph node extra capsular spread. This study is a prospective study conducted at J.L.N. Hospital and Research Centre, Bhilai (C.G), from August 2011 to January 2014. Thirty patients with metastatic head and neck squamous cell carcinoma were enrolled. All candidates were subjected to a detailed history taking and clinical examination...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28928929/giant-inflammatory-polyposis-a-phenomenon-of-inflammatory-bowel-disease-presenting-as-acute-large-bowel-obstruction-mimicking-colonic-neoplasm
#9
Christina Romero, Sandeep Sirsi, Armand Asarian, Jun Levine, Philip Xiao
Inflammatory bowel disease (IBD) remains a topic of ongoing research given its prevalence, yet the pathogenesis and all clinical manifestations of the disease remain poorly understood. Giant inflammatory polyposis is one of the clinical manifestations of IBD that has rarely been described to the best of our knowledge. This is a recognized clinical entity, however, only a limited number of IBD associated cases have been described in literature to date. This phenomenon consists of numerous benign, inflammatory polyps that clump together giving the appearance of a larger mass, which may cause clinical colonic obstruction and radiographic findings mimicking colonic neoplasm...
September 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28928921/an-unusual-cause-of-genu-valgum-and-persistent-instability
#10
Edward Holloway, Paul Sutton, Robert Cooper
We present the case of a professional adolescent footballer who attended our clinic with ongoing instability symptoms and valgus knee deformity after conservative management of an medial collateral ligament injury. The patient was found to have sustained a contra-coup Salter Harris Type V injury to his lateral distal femur physis resulting in premature growth arrest and deformity. Salter Harris Type V injuries are rare, and often not diagnosed until growth has arrest has occurred due to lack of identifiable features on initial plain radiographs...
August 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28928494/systematic-review-and-meta-analyses-of-the-difference-between-the-spinal-level-of-the-palpated-and-imaged-iliac-crests
#11
Robert Cooperstein, Felisha Truong
OBJECTIVE: The purpose of this study was to undertake a systematic review of the literature to determine and compare, for patient sub-groups, the spinal level of the iliac crests as commonly measured through manual palpation and radiographic imaging procedures. METHODS: Relevant citations were retrieved by searching the PubMed, ICL, CINAHL, AMED, Osteopathic Research Web, OstMed, and MANTIS biomedical databases, and included articles were rated for quality. Search terms included Tuffier*, intercristal line, intercrestal line, Jacoby's line, lumbar spine, lumbar landmark, pelvic landmark, palpation, and TL (Tuffier's Line)...
August 2017: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/28927984/limiting-thoracic-ct-a-rule-for-use-during-initial-pediatric-trauma-evaluation
#12
Caroline Q Stephens, Meredith C Boulos, Christopher R Connelly, Arvin Gee, Mubeen Jafri, Sanjay Krishnaswami
BACKGROUND: Despite increases in imaging guidelines for other body-regions during initial trauma assessment and the demonstrated utility of chest radiographs (CXR), guidelines for use of thoracic computed-tomography (TCT) are lacking. We hypothesized that TCT utilization had not decreased relative to other protocolized CTs, and mechanism and CXR could together predict significant injury independent of TCT. METHODS: We performed a retrospective review of blunt trauma patients ≤18 y...
September 4, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28927914/c1-c2-pedicle-screw-fixation-for-atlantoaxial-dislocation-in-pediatric-patients-younger-than-5-years-a-case-series-of-15-patients
#13
Yue-Hui Zhang, Jiang Shao, Dean Chou, Jian-Feng Wu, Jia Song, Jing Zhang
OBJIECTIVE: C1-C2 pedicle screw fixation has become popular for providing excellent bony purchase and avoiding neurovascular complications. However, it may be technically challenging in children. The objective of this study is to investigate the safety and efficacy of C1-C2 pedicle screw fixation for atlantoaxial dislocation (AAD) in pediatric patients younger than 5 years, and to evaluate the preliminary clinical and radiographic results. METHODS: During a 7-year period, 15 patients with a mean age of 3...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927881/four-year-outcomes-of-midcarpal-hemiarthroplasty-for-wrist-arthritis
#14
Marie Anneberg, Greg Packer, Joseph J Crisco, Scott Wolfe
PURPOSE: The purpose of this study was to review the average 4-year outcomes of a cohort of patients with wrist arthritis, treated by a single surgeon with a novel prosthetic hemiarthroplasty of the midcarpal joint. We hypothesized that midcarpal hemiarthroplasty would improve range of motion and grip strength of patients with wrist arthritis, with a complication profile comparable with that of alternative solutions for wrist arthritis. METHODS: We reviewed a series of 20 patients treated with a midcarpal hemiarthroplasty at an average of 4 years following surgery...
September 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28927880/treatment-of-neer-iib-distal-clavicle-fractures-using%C3%A2-anatomical-locked-plate-fixation-with-coracoclavicular-ligament-augmentation
#15
Lei Han, Yungen Hu, Renfu Quan, Weili Fang, Bo Jin, Ligang Huang
PURPOSE: The purpose of this study was to evaluate the clinical and radiographic outcomes of Neer type IIb distal clavicle fractures treated with anatomical locking plate fixation combined with coracoclavicular ligament augmentation. METHODS: Twelve patients with Neer Type IIb distal clavicle fractures treated with anatomical locking plate fixation combined with suture anchor augmentation of the coracoclavicular ligament, were retrospectively studied. Clinical outcomes were assessed using the Constant score and the Disabilities of the Arm, Shoulder, and Hand (DASH) score...
September 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28927879/effects-of-volar-tilt-wrist-extension-and-plate-position-on-contact-between-flexor-pollicis-longus-tendon-and-volar-plate
#16
Caroline N Wolfe Wurtzel, Geoffrey T Burns, Andy F Zhu, Kagan Ozer
PURPOSE: Volar plates positioned at, or distal to, the watershed line have been shown to have a higher incidence of attritional rupture of the flexor pollicis longus (FPL). In this study, we aimed to evaluate the effect of wrist extension and volar tilt on the contact between the plate and the FPL tendon in a cadaver model. We hypothesized that, following volar plate application, loss of native volar tilt increases the contact between the FPL and the plate at lower degrees of wrist extension...
September 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28927646/are-there-prognostic-factors-for-one-year-outcome-after-total-knee-arthroplasty-a-systematic-review
#17
Karen E M Harmelink, Adelgunde V C M Zeegers, Wim Hullegie, Thomas J Hoogeboom, Maria W G Nijhuis-van der Sanden, J Bart Staal
BACKGROUND: Preoperative factors predicting outcome for pain, physical function and quality of life after total knee arthroplasty (TKA) have not been clearly identified. METHODS: Embase and MEDLINE were searched for relevant studies. A study was considered for inclusion if the study aimed to identify preoperative prognostic factors for pain, physical function, and/or quality of life after a follow-up period of at least 1 year; included at least 200 adults suffering from osteoarthritis and undergoing TKA; and analyzed data using multivariable modeling...
August 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28927642/iterative-approach-for-3d-reconstruction-of-the-femur-from-un-calibrated-2d-radiographic-images
#18
Kibeom Youn, Moon Soek Park, Jehee Lee
Three-dimensional reconstruction of the femur is important for surgical planning in patients with cerebral palsy. This study aimed to reconstruct the three-dimensional femur shape from un-calibrated bi-planar radiographic images using self-calibration to allow for low-dose preoperative planning. The existing self-calibration techniques require anatomical landmarks that are clearly visible on bi-planar images, which are not available on the femur. In our newly developed method, the self-calibration is performed so that the contour of the statistical shape matches the image contour while the statistical shape is concomitantly optimized...
September 15, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28927455/eight-orthopedic-surgeons-achieved-moderate-to-excellent-reliability-measuring-the-preoperative-posterior-tilt-angle-in-50-garden-i-and-garden-ii-femoral-neck-fractures
#19
Filip C Dolatowski, Sigurd Erik Hoelsbrekken
BACKGROUND: Studies of elderly patients with Garden-I and Garden-II femoral neck fractures (FNFs) suggest that a preoperative posterior tilt of the femoral head of at least 20° increases the risk of fixation failure. A recently published treatment algorithm recommended hemiarthroplasty over internal fixation for elderly patients with Garden-I and Garden-II FNFs and a preoperative posterior tilt of at least 20°. However, the reliability of the method used to measure the posterior tilt has not been assessed according to recommended standards for reliability trials...
September 19, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28927211/a-pivotal-randomized-clinical-trial-evaluating-the-safety-and-effectiveness-of-a-novel-hydrogel-dural-sealant-as-an-adjunct-to-dural-repair
#20
Michael J Strong, G Alexander West, Henry Woo, Daniel E Couture, John A Wilson, Lorenzo F Munoz, Charles L Rosen, Jeremy D Greenlee, Harry R van Loveren, Mark Iantosca, Clinton J Baird, Mark Smith, Matt McGirt, Jonathan Parish, Anthony L Asher
BACKGROUND: A watertight dural repair is critical to minimizing the risk of postoperative complications secondary to cerebrospinal fluid (CSF) leaks. OBJECTIVE: To evaluate the safety and efficacy of a novel hydrogel, Adherus Dural Sealant, when compared with control, DuraSeal Dural Sealant System, as an adjunct to standard methods of dural repair. METHODS: In this 17-center, prospective, randomized clinical trial designed as a noninferiority, single-blinded study, 124 patients received Adherus Dural Sealant (test sealant) and 126 received DuraSeal (control)...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
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