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https://www.readbyqxmd.com/read/28206929/disparities-in-mangement-of-patients-with-benign-colorectal-disease-impact-of-urbanization-and-specialized-care
#1
Viraj Pandit, Mazhar Khalil, Bellal Joseph, Jana Jandova, Tahereh Orouji Jokar, Ansab Abbas Haider, Bardiya Zangbar, Asad Asim, Ahmed Hassan, Valentine Nfonsam
: Disparities in the management of patients with various medical conditions are well established. Colorectal diseases continue to remain one of the most common causes for surgical intervention. The aim of this study was to assess disparities (rural versus urban) in the surgical management of patients with noncancerous benign colorectal diseases. We hypothesized that there is no difference among rural versus urban centers (UC) in the surgical management for noncancerous benign colorectal diseases...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28198771/correlation-between-facial-nerve-axonal-load-and-age-and-its-relevance-to-facial-reanimation
#2
Austin Hembd, Purushottam Nagarkar, Justin Perez, Andrew Gassman, Philip Tolley, Joan Reisch, Charles L White, Shai Rozen
PURPOSE: Two-stage facial reanimation procedures with a cross-facial nerve graft often have unsatisfactory results in the older patient. Although the cause of result variability is likely multifactorial, some studies suggest that increased donor nerve axonal load improves function of a free muscle transfer after a cross-facial nerve graft. This study attempts to characterize the relationship between age and facial nerve axonal load. METHODS: 63 fresh, cadaveric heads were dissected to expose the facial nerve...
February 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28170398/emergency-obstetric-care-in-a-rural-district-of-burundi-what-are-the-surgical-needs
#3
E De Plecker, R Zachariah, A M V Kumar, M Trelles, S Caluwaerts, W van den Boogaard, J Manirampa, K Tayler-Smith, M Manzi, K Nanan-N'zeth, B Duchenne, B Ndelema, W Etienne, P Alders, R Veerman, R Van den Bergh
OBJECTIVES: In a rural district hospital in Burundi offering Emergency Obstetric care-(EmOC), we assessed the a) characteristics of women at risk of, or with an obstetric complication and their types b) the number and type of obstetric surgical procedures and anaesthesia performed c) human resource cadres who performed surgery and anaesthesia and d) hospital exit outcomes. METHODS: A retrospective analysis of EmOC data (2011 and 2012). RESULTS: A total of 6084 women were referred for EmOC of whom 2534(42%) underwent a major surgical procedure while 1345(22%) required a minor procedure (36% women did not require any surgical procedure)...
2017: PloS One
https://www.readbyqxmd.com/read/28153191/peritoneal-dialysis-catheter-insertion
#4
REVIEW
John H Crabtree, Kai-Ming Chow
The success of peritoneal dialysis as renal-replacement therapy depends on a well-functioning peritoneal catheter. Knowledge of best practices in catheter insertion can minimize the risk of catheter complications that lead to peritoneal dialysis failure. The catheter placement procedure begins with preoperative assessment of the patient to determine the most appropriate catheter type, insertion site, and exit site location. Preoperative preparation of the patient is an instrumental step in facilitating the performance of the procedure, avoiding untoward events, and promoting the desired outcome...
January 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28151678/dichloromethyllithium-synthesis-and-application-in-continuous-flow-mode
#5
Andreas Hafner, Valentina Mancino, Mark Meisenbach, Berthold Schenkel, Joerg Sedelmeier
A simple and robust procedure for the synthesis and use of thermally unstable dichloromethyllithium in continuous flow mode is described. By utilizing residence times in the range of milliseconds for the generation and electrophilic quench of dichloromethyllithium, the straightforward synthesis of dichlorocarbinols and benzylic pinacol esters was realized at reaction temperatures of -30 °C, whereas typical temperatures in traditional batch mode are below -78 °C. The excellent purity profile obtained from the flow process allows us to directly telescope the exiting flow stream into semibatch quenches for further modifications...
February 2, 2017: Organic Letters
https://www.readbyqxmd.com/read/28145925/anatomical-study-of-the-infraorbital-nerve-and-surrounding-structures-for-the-surgery-of-orbital-floor-fractures
#6
YongSeok Nam, Sujin Bahk, SuRak Eo
The infraorbital nerve (ION) can easily be damaged by orbital trauma and periorbital surgical manipulations, due to its abutment to the orbital floor. Anatomic variability of the ION and surrounding structures has infrequently been documented. The aim of this study is to give precise anatomical knowledge about the ION with surrounding structures, to avoid iatrogenic injury of the ION during periorbital procedures.Forty orbits of 40 skull subjects (20 males and 20 females) were studied to analyze structures around the ION...
January 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28124111/percutaneous-nephrolithotomy-technique
#7
Thomas Knoll, Francisco Daels, Janak Desai, Andras Hoznek, Bodo Knudsen, Emanuele Montanari, Cesare Scoffone, Andreas Skolarikos, Keiichi Tozawa
Percutaneous nephrolithotomy (PCNL) is considered to be the first line of treatment for large renal stones. Though PCNL comes with higher morbidity, its efficacy is unbeaten by other minimally invasive modalities. However, potential complications, such as bleeding, occur. Improved skills and modifications of the procedure may reduce the probability of adverse outcomes. This article discusses the current trends and standards in PCNL technique with special focus on all important steps as positioning, access, instruments, dilation, disintegration, and exit, including outcomes, complication management, and training modalities...
January 25, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28122398/comparison-between-types-of-dressing-following-catheter-insertion-and-early-exit-site-infection-in-peritoneal-dialysis
#8
Ana Elizabeth Figueiredo, Carolina de Mattos, Cristine Saraiva, Marcia Olandoski, Pasqual Barretti, Roberto Pecoits Filho, Thyago Proença de Moraes
AIM: To investigate whether the type of dressing used (occlusive vs semi-occlusive) impacts on exit-site infection (ESI). BACKGROUND: Exit-site infections are a major predisposing factor for peritoneal dialysis (PD)-related peritonitis, the main cause of technique failure and an important cause of mortality. Care taken in exit-site dressing is considered an important procedure for the prevention of trauma and contamination of this area. Nevertheless, to our knowledge, no study has yet analyzed the impact of different dressing types on early ESI (up to 2 months after catheter insertion)...
January 25, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28121163/power-and-sample-size-calculations-for-contrast-analysis-in-ancova
#9
Gwowen Shieh
Analysis of covariance (ANCOVA) is commonly used in behavioral and educational research to reduce the error variance and improve the power of analysis of variance by adjusting the covariate effects. For planning and evaluating randomized ANCOVA designs, a simple sample-size formula has been proposed to account for the variance deflation factor in the comparison of two treatment groups. The objective of this article is to highlight an overlooked and potential problem of the exiting approximation and to provide an alternative and exact solution of power and sample size assessments for testing treatment contrasts...
January 25, 2017: Multivariate Behavioral Research
https://www.readbyqxmd.com/read/28097249/application-of-a-3d-custom-printed-patient-specific-spinal-implant-for-c1-2-arthrodesis
#10
Kevin Phan, Alessandro Sgro, Monish M Maharaj, Paul D'Urso, Ralph J Mobbs
The study aims to describe a three-dimensional printed (3DP) posterior fixation implant used for C1/C2 fusion in a 65-year-old female. Spinal fusion remains a common intervention for a range of spinal pathologies including degenerative disc and facet disease when conservative methods are unsuccessful. However, fusion devices are not always entirely efficacious in providing the desired fixation, and surgeons rely on 'off the shelf' implants which may not provide an anatomical fit to address the particular pathology...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28072800/modified-percutaneous-lumbar-foraminoplasty-and-percutaneous-endoscopic-lumbar-discectomy-instrument-design-technique-notes-and-5-years-follow-up
#11
Zhen-Zhou Li, Shu-Xun Hou, Wei-Lin Shang, Ke-Ran Song, Hong-Liang Zhao
BACKGROUND: Conventional percutaneous endoscopic lumbar discectomy (PELD) with an "inside-outside" technique has 4.3% - 10.3% surgical failure rate, especially in central herniated discs (HDs), migrated HDs, and axillary type HDs. PELD with foraminoplasty has been used for complex HDs. Percutaneous lumbar foraminoplasty (PLF), which is performed with a trephine or bone reamer introduced over a guidewire without a protective working cannula in the original Tessys technique, can quickly cut the hypertrophied bony structure under fluoroscopic guidance, and risk injury to the exiting and traversing nerve roots...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28047624/su-g-jep3-07-real-time-image-guided-radiation-therapy-for-heterotopic-ossification-in-patients-after-hip-replacement
#12
A Le, S Jiang, R Timmerman, H Choy, A Pompos
PURPOSE: To demonstrate the feasibility of using CBCT in a real-time image guided radiation therapy (IGRT) for single fraction heterotopic ossification (HO) in patients after hip replacement. In this real-time procedure, all steps, from simulation, imaging, planning to treatment delivery, are performed at the treatment unit in one appointment time slot. This work promotes real-time treatment to create a paradigm shift in the single fraction radiation therapy. METHODS: An integrated real-time IGRT for HO was developed and tested for radiation treatment of heterotopic ossification for patient after hip replacement...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28017412/intracorporal-knot-tying-techniques-which-is-the-right-one
#13
Philipp Romero, Felix Nickel, Maisha Mantel, Giovanni Frongia, Alina Rossler, Karl-Friedrich Kowalewski, Beat Peter Müller-Stich, Patrick Günther
INTRODUCTION: Intracorporal knot tying (ICKT) and suturing in minimal invasive surgery (MIS) represent a key skill for advanced procedures such as Nissen fundoplication. Suture placement under tension is particularly challenging during MIS. The aim of this study was to compare ICKT of the common surgical square knot and the slipping knot on a simulated suture placement under tension. Furthermore, we objectively assessed the surgical skill of ICKT following 3hours of hands-on training...
December 20, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27968777/noninvasive-epicardial-and-endocardial-electrocardiographic-imaging-of-scar-related-ventricular-tachycardia
#14
Linwei Wang, Omar A Gharbia, B Milan Horáček, John L Sapp
BACKGROUND: The majority of life-threatening ventricular tachycardias (VTs) are sustained by heterogeneous scar substrates with narrow strands of surviving tissue. An effective treatment for scar-related VT is to modify the underlying scar substrate by catheter ablation. If activation sequence and entrainment mapping can be performed during sustained VT, the exit and isthmus of the circuit can often be identified. However, with invasive catheter mapping, only monomorphic VT that is hemodynamically stable can be mapped in this manner...
November 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/27930434/occult-globe-perforation-during-medial-canthopexy
#15
Deepa Manjunath, Peter K Kaiser, Justis P Ehlers
PURPOSE: To report a case of occult globe perforation following craniofacial surgery. METHODS: A 16-year-old girl presented with vision loss and hypotony of her left eye following a craniofacial procedure, including bilateral medial canthopexy. This report describes the evaluation and findings following the craniofacial surgery. RESULTS: After recognition of vision loss and concern for rupture, surgical exploration was performed by an ophthalmologist at an outside institution on suspicion of globe penetration/perforation...
December 7, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27927245/congenital-adhesion-band-causing-small-bowel-obstruction-what-s-the-difference-in-various-age-groups-pediatric-and-adult-patients
#16
Kwang-Ho Yang, Tae-Beom Lee, Si-Hak Lee, Soo-Hong Kim, Yong-Hoon Cho, Hae-Young Kim
BACKGROUND: A congenital adhesion band is a rare condition, but may induce a small bowel obstruction (SBO) at any age. However, only a few sporadic case reports exit. We aimed to identify the clinical characteristics of congenital adhesion band manifesting a SBO stratified by age group between pediatric and adult patients. METHODS: The medical records of all patients with a SBO between Jan 1, 2009 and Dec 31, 2015 were retrospectively reviewed. Cases associated with previous surgical procedure and cases of secondary obstruction due to inflammatory processes or tumor and other systemic diseases were excluded...
December 7, 2016: BMC Surgery
https://www.readbyqxmd.com/read/27920830/impact-of-catheter-ablation-of-ventricular-tachycardia-in-patients-with-prior-myocardial-infarctions
#17
Masato Fukunaga, Masahiko Goya, Kenichi Hiroshima, Kentaro Hayashi, Masatsugu Ohe, Yu Makihara, Michio Nagashima, Yoshimori An, Shinichi Shirai, Kenji Ando, Hiroyoshi Yokoi, Masashi Iwabuchi
BACKGROUND: Catheter ablation can reduce episodes of ventricular tachycardia (VT) after myocardial infarction (MI). However, the optimal endpoint of the ablation procedure remains unclear. METHODS: Fifty-one consecutive patients who received catheter ablation for VT after MI were included. The procedures targeted the isthmus of all the induced, sustained VTs. When the patients with induced VTs were hemodynamically stable, radiofrequency energy was delivered at the mid-diastolic potential recording site during VT...
December 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27916038/-mid-to-long-term-outcomes-of-cervical-disc-arthroplasty-for-symptomatic-cervical-disc-disease-a-meta-analysis
#18
S L Kan, B Yang, G Z Ning, S J Gao, J C Sun, S Q Feng
Objective: To compare the benefits and harms of cervical disc arthroplasty (CDA) with anterior cervical discectomy and fusion(ACDF) for symptomatic cervical disc disease at mid- to long-term follow-up. Methods: Electronic searches were made in PubMed, EMBASE, and the Cochrane Library for randomized controlled trials with at least 48 moths follow-up.Outcomes were reported as relative risk or standardized mean difference.Meta-analysis was carried out using Revman version 5.3 and Stata version 12.0. Results: Seven trials were included, involving 2 302 participants...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27915382/high-intensity-focused-ultrasound-treatment-in-patients-with-refractory-glaucoma
#19
Giuseppe Giannaccare, A Vagge, C Gizzi, A Bagnis, S Sebastiani, C Del Noce, M Fresina, C E Traverso, E C Campos
PURPOSE: To assess the safety and efficacy of ultrasound coagulation of the ciliary body in refractory glaucoma. METHODS: This prospective multicenter interventional study was conducted in two Italian university-affiliated glaucoma centers: St. Orsola-Malpighi Teaching Hospital (Bologna, Italy) and University Eye Clinic of Genoa (Genoa, Italy). The main inclusion criterion was the diagnosis of glaucoma with a baseline intraocular pressure (IOP) ≥ 21 mmHg while on maximum topical and systemic medical hypotensive treatment...
December 3, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27911227/radiofrequency-ablation-of-spinal-osteoid-osteoma-a-prospective-study
#20
Joe Faddoul, Yara Faddoul, Sandra Kobaiter-Maarrawi, Ronald Moussa, Tony Rizk, Georges Nohra, Nabil Okais, Elie Samaha, Joseph Maarrawi
OBJECTIVE Surgery has been considered the standard treatment for spinal osteoid osteomas that are refractory to analgesic agents. Radiofrequency ablation (RFA) is a less invasive technique with established efficiency for the treatment of peripheral osteoid osteomas. The main objectives of this study are to evaluate the safety of RFA based on the results of a previous experimental study in rats conducted in the authors' laboratory and to identify its short- and long-term efficiency in the treatment of spinal osteoid osteomas...
December 2, 2016: Journal of Neurosurgery. Spine
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