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https://www.readbyqxmd.com/read/27923627/outcomes-of-cementless-unicompartmental-and-total-knee-arthroplasty-a-systematic-review
#1
REVIEW
Jelle P van der List, Dana L Sheng, Laura J Kleeblad, Harshvardhan Chawla, Andrew D Pearle
BACKGROUND: Aseptic loosening is a common failure mode in cemented unicompartmental knee arthroplasty (UKA) and total knee arthroplasty (TKA). This led to the development of cementless designs but the historical outcomes were poor. Recent developments in cementless designs have improved outcomes, but the current status is unknown. Therefore, a systematic review was performed to assess recent outcomes of cementless knee arthroplasty. METHODS: A search was performed using PubMed, Embase and Cochrane systems and national registries for studies reporting outcomes since 2005...
December 3, 2016: Knee
https://www.readbyqxmd.com/read/27918961/the-promise-of-subtraction-ictal-spect-co-registered-to-mri-for-improved-seizure-localization-in-pediatric-epilepsies-affecting-factors-and-relationship-to-the-surgical-outcome
#2
Catherine Stamoulis, Nishant Verma, Himanshu Kaulas, Jonathan J Halford, Frank H Duffy, Phillip L Pearl, S Ted Treves
OBJECTIVE: Ictal SPECT is promising for accurate non-invasive localization of the epileptogenic brain tissue in focal epilepsies. However, high quality ictal scans require meticulous attention to the seizure onset. In a relatively large cohort of pediatric patients, this study investigated the impact of the timing of radiotracer injection, MRI findings and seizure characteristics on ictal SPECT localizations, and the relationship between concordance of ictal SPECT, scalp EEG and resected area with seizure freedom following epilepsy surgery...
November 30, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27896657/performing-the-difficult-cholecystectomy-using-combined-endoscopic-and-robotic-techniques-how-i-do-it
#3
Deepa Magge, Jennifer Steve, Stephanie Novak, Adam Slivka, Mellissa Hogg, Amer Zureikat, Herbert J Zeh
Laparoscopic cholecystectomy is the standard of care for cholelithiasis as well as cholecystitis. However, in the setting of Mirizzi syndrome or gangrenous cholecystitis where the critical view cannot be ascertained, subtotal cholecystectomy may be necessary. Using the robot-assisted approach, difficult cholecystectomies can be performed upfront without need for partial cholecystectomy. Even in the setting of Mirizzi syndrome where severe scarring and fibrosis are evident, definitive cholecystectomy and takedown of the cholechystocholedochal fistula can be performed in a safe and feasible fashion following successful endoscopic common bile duct stent placement...
November 28, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27896385/pictorial-review-the-pearls-and-pitfalls-of-the-radiological-manifestations-of-gallstone-ileus
#4
REVIEW
Phei Shan Chuah, John Curtis, Nikhil Misra, Dina Hikmat, Sumita Chawla
We present a pictorial review of a range of typical and atypical cases of gallstone ileus (GI), across a wide range of imaging modalities. GI is a complication of gallstone disease causing mechanical intestinal obstruction due to impaction of gallstone in the gastrointestinal tract. The spectrum of presentation can vary enormously, and we highlight the importance of accurate imaging diagnosis of GI especially early use of computed tomography. This will lead to timely and appropriate surgical intervention with the potential avoidance of unnecessary outcomes...
November 28, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27875758/beyond-the-lymph-nodes-fdg-pet-ct-in-primary-extranodal-lymphoma
#5
REVIEW
Kin Man Sin, Stanton King Dat Ho, Brian Yung Kong Wong, Harry Gill, Pek-Lan Khong, Elaine Yuen Phin Lee
Extranodal lymphoma can be the primary presentation or secondary to systemic involvement of lymphoma. 2-(fluorine-18) fluoro-2-deoxy-d-glucose positron emission tomography with computer tomography (FDG-PET/CT) is useful in detecting extranodal sites during staging, treatment response assessment or recurrence detection in patients with lymphoma. In this article, we reviewed the imaging features and FDG avidity of primary extranodal lymphoma of various organs and systems on FDG-PET/CT, demonstrating the pearls and pitfalls of FDG-PET/CT in evaluating this disease entity and cross-referencing to other imaging modalities that aid in diagnosis and management...
November 16, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27873473/explanation-and-elaboration-document-for-the-strobe-vet-statement-strengthening-the-reporting-of-observational-studies-in-epidemiology-veterinary-extension
#6
A M O'Connor, J M Sargeant, I R Dohoo, H N Erb, M Cevallos, M Egger, A K Ersbøll, S W Martin, L R Nielsen, D L Pearl, D U Pfeiffer, J Sanchez, M E Torrence, H Vigre, C Waldner, M P Ward
The STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) statement was first published in 2007 and again in 2014. The purpose of the original STROBE was to provide guidance for authors, reviewers and editors to improve the comprehensiveness of reporting; however, STROBE has a unique focus on observational studies. Although much of the guidance provided by the original STROBE document is directly applicable, it was deemed useful to map those statements to veterinary concepts, provide veterinary examples and highlight unique aspects of reporting in veterinary observational studies...
November 22, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27871661/single-bundle-anatomic-anterior-cruciate-ligament-reconstruction-surgical-technique-pearls-and-pitfalls
#7
REVIEW
Chaitu S Malempati, Adam V Metzler, Darren L Johnson
Anterior cruciate ligament (ACL) ruptures are some of the most common sports-related injuries. Treatment of these injuries with ACL reconstruction has evolved over the last several decades. Anatomic single-bundle ACL reconstruction offers an accurate and reproducible method to reproduce native knee anatomy, restore knee kinematics, and ultimately restore function and decrease long-term degenerative effects. The importance of adequate arthroscopic visualization and a thorough understanding of the native anatomic ACL landmarks are discussed in this article...
January 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27871657/surgical-pearls-in-revision-anterior-cruciate-ligament-surgery-when-must-i-stage
#8
REVIEW
Dustin L Richter, Brian C Werner, Mark D Miller
Failed anterior cruciate ligament (ACL) reconstruction is a challenging clinical entity and revision ACL reconstruction is a technically challenging procedure. This article reviews the etiology of ACL failures, the need for appropriate examination and imaging studies, and discusses the technical considerations to allow for a successful revision reconstruction. Furthermore, we elaborate on the decision-making process of when a 2-stage revision is preferred to a single-stage revision.
January 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27859752/explanation-and-elaboration-document-for-the-strobe-vet-statement-strengthening-the-reporting-of-observational-studies-in-epidemiology-veterinary-extension
#9
A M O'Connor, J M Sargeant, I R Dohoo, H N Erb, M Cevallos, M Egger, A K Ersbøll, S W Martin, L R Nielsen, D L Pearl, D U Pfeiffer, J Sanchez, M E Torrence, H Vigre, C Waldner, M P Ward
The STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) statement was first published in 2007 and again in 2014. The purpose of the original STROBE was to provide guidance for authors, reviewers, and editors to improve the comprehensiveness of reporting; however, STROBE has a unique focus on observational studies. Although much of the guidance provided by the original STROBE document is directly applicable, it was deemed useful to map those statements to veterinary concepts, provide veterinary examples, and highlight unique aspects of reporting in veterinary observational studies...
November 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/27857794/a-rare-case-of-white-pearls-in-brainstem
#10
Dipanker Singh Mankotia, Vivek Tandon, Hardik Sardana, Madhu Rajeshwari, Vaishali Suri, Bhawani Shankar Sharma
Intrinsic brainstem epidermoid is extremely rare, and only 14 cases have been reported. Authors report a classic case of brainstem epidermoid in a 14-year-old male child presenting with symptoms of brainstem involvement. The child underwent a successful surgical excision. The lesion was intrinsic and caused diagnostic dilemma based on conventional radiological images. Based on our experience in this case and a thorough review of literature, we are of the opinion that diffusion-weighted images are very important in establishing the diagnosis...
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27832924/nasopharyngectomy-with-operating-microscope-a-case-series
#11
Jia Hui Jang, Hiang Khoon Tan, N Gopalakrishna Iyer, Khee Chee Soo, Ngian Chye Tan
BACKGROUND: Nasopharyngectomy for excision of nasopharyngeal tumors is challenging, as access to the nasopharynx is difficult. Recently our institution embarked on two new approaches - robotic nasopharyngectomy and open nasopharyngectomy with operating microscope (NOM) via maxillary swing approach. This article proposes that the novel approach of NOM via maxillary swing aids visualization for resection of locally invasive nasopharyngeal tumors. METHODS: Over a thirteen-month period, eight patients required nasopharyngectomy in our single Asian institution...
September 25, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27829206/nitrogen-and-phosphorus-in-sediments-in-china-a-national-scale-assessment-and-review
#12
Yan Yang, Bo Gao, Hong Hao, Huaidong Zhou, Jin Lu
A national-scale investigation of total nitrogen (TN), total phosphorus (TP), total organic carbon (TOC), and pH in sediments was performed. The sediment samples investigated in this study were collected from 10 major basins in China (Songhua River Basin (SRB), Liao River Basin (LRB), Hai River Basin (HRB), Yellow River Basin (YRB), Huai River Basin (HuRB), Yangtze River Basin (YtRB), Southeastern River Basin (SeRB), Pearl River Basin (PRB), Southwestern River Basin (SwRB), and Northwestern River Basin (NwRB))...
November 6, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27825938/why-do-patellofemoral-arthroplasties-fail-today-a-systematic-review
#13
REVIEW
J P van der List, H Chawla, J C Villa, A D Pearle
BACKGROUND: Historically poor results of patellofemoral arthroplasty (PFA) were reported in the setting of isolated patellofemoral osteoarthritis (OA). In order to lower PFA failure rates, it is important to identify failure modes using a standardized method. In this systematic review, PFA failure modes were assessed and compared in early vs. late failures and older vs. recent studies. METHODS: Databases of PubMed, Embase and Cochrane and annual registries were searched for studies reporting PFA failures...
November 5, 2016: Knee
https://www.readbyqxmd.com/read/27824687/immunizations-for-adult-women
#14
Stephanie S Faubion, Lisa C Larkin
Immunizations protect individual persons and contribute to public health by reducing morbidity and mortality associated with common infectious diseases. In this Practice Pearl, we review guidelines for adult immunizations and recent and potential changes in vaccines.
December 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27801985/global-regulatory-framework-for-production-and-marketing-of-crops-biofortified-with-vitamins-and-minerals
#15
Luis A Mejia, Omar Dary, Hala Boukerdenna
Biofortification of crops is being introduced in several countries as a strategy to reduce micronutrient deficiencies. Biofortified products, with increased contents of micronutrients, are currently produced by conventional plant breeding, genetic modification, or nutrient-enhanced fertilization. Corn, rice, wheat, beans, pearl millet, sweet potato, and cassava have been biofortified with increased contents of provitamin A carotenoids, iron, or zinc. However, regulatory considerations are rare or nonexistent...
November 1, 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27796549/-endovascular-embolic-hemispherectomy-a-strategy-for-the-initial-management-of-catastrophic-holohemispheric-epilepsy-in-the-neonate
#16
Chima Oluigbo, Monica S Pearl, Tammy N Tsuchida, Taeun Chang, Cheng-Ying Ho, William D Gaillard
PURPOSE: Conflicting challenges abound in the management of the newborn with intractable epilepsy related to hemimegalencephaly. Early hemispherectomy to stop seizures and prevent deleterious consequences to future neurocognitive development must be weighed against the technical and anesthetic challenges of performing major hemispheric surgery in the neonate. METHODS: We hereby present our experience with two neonates with hemimegalencephaly and intractable seizures who were managed using a strategy of initial minimally invasive embolization of the cerebral blood supply to the involved hemisphere...
October 29, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27789078/ozone-pollution-in-china-a-review-of-concentrations-meteorological-influences-chemical-precursors-and-effects
#17
Tao Wang, Likun Xue, Peter Brimblecombe, Yun Fat Lam, Li Li, Li Zhang
High concentrations of ozone in urban and industrial regions worldwide have long been a major air quality issue. With the rapid increase in fossil fuel consumption in China over the past three decades, the emission of chemical precursors to ozone-nitrogen oxides and volatile organic compounds-has increased sharply, surpassing that of North America and Europe and raising concerns about worsening ozone pollution in China. Historically, research and control have prioritized acid rain, particulate matter, and more recently fine particulate matter (PM2...
October 24, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27786246/hiv-associated-opportunistic-cns-infections-pathophysiology-diagnosis-and-treatment
#18
REVIEW
Lauren N Bowen, Bryan Smith, Daniel Reich, Martha Quezado, Avindra Nath
Nearly 30 years after the advent of antiretroviral therapy (ART), CNS opportunistic infections remain a major cause of morbidity and mortality in HIV-positive individuals. Unknown HIV-positive disease status, antiretroviral drug resistance, poor drug compliance, and recreational drug abuse are factors that continue to influence the morbidity and mortality of infections. The clinical and radiographic pattern of CNS opportunistic infections is unique in the setting of HIV infection: opportunistic infections in HIV-positive patients often have characteristic clinical and radiological presentations that can differ from the presentation of opportunistic infections in immunocompetent patients and are often sufficient to establish the diagnosis...
October 27, 2016: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/27785936/mdct-imaging-of-the-stomach-advances-and-applications
#19
Prashant Nagpal, Anjali Prakash, Gaurav S Pradhan, Aditi Vidholia, Nishant Nagpal, Sachin S Saboo, David M Kuehn, Ashish Khandelwal
The stomach may be involved by a myriad of pathologies ranging from benign etiologies like inflammation to malignant etiologies like carcinoma or lymphoma. Multidetector computed tomography (MDCT) of the stomach is the first-line imaging for patients with suspected gastric pathologies. Conventionally, CT imaging had the advantage of simultaneous detection of the mural and extramural disease extent, but advances in MDCT have allowed mucosal assessment by virtual endoscopy. Also better three-dimensional (3D) post-processing techniques have enabled more robust and accurate pre-operative planning in patients undergoing gastrectomy and even predict the response to surgery for patients undergoing laparoscopic sleeve gastrectomy for weight-loss...
October 27, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27750380/nacre-a-natural-multi-use-and-timely-biomaterial-for-bone-graft-substitution
#20
Ganggang Zhang, Alice Brion, Anne-Sophie Willemin, Marie-Hélène Piet, Vanessa Moby, Arnaud Bianchi, Didier Mainard, Laurent Galois, Pierre Gillet, Marthe Rousseau
During the past two decades, with a huge and rapidly increasing clinical need for bone regeneration and repair, bone substitutes are more and more seen as a potential solution. Major innovation efforts are being made to develop such substitutes, some having advanced even to clinical practice. It is now time to turn to natural biomaterials. Nacre, or mother-of-pearl, is an organic matrix-calcium carbonate coupled shell structure produced by molluscs. In vivo and in vitro studies have revealed that nacre is osteoinductive, osteoconductive, biocompatible and biodegradable...
October 17, 2016: Journal of Biomedical Materials Research. Part A
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