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https://www.readbyqxmd.com/read/29452442/simplifying-arterial-coupling-in-microsurgery-a-preclinical-assessment-of-an-everter-device-to-aid-with-arterial-anastomosis
#1
Ian C Sando, Jeffrey S Plott, Brendan M McCracken, Mohamad H Tiba, Kevin R Ward, Jeffrey H Kozlow, Paul S Cederna, Adeyiza O Momoh
BACKGROUND: A novel arterial everter device was engineered to simplify microvascular coupling of arteries by reliably securing the stiff, muscular wall of arteries over coupler pins. We compare microvascular coupling with the everter device to manual suturing for arterial anastomoses in a live large animal model. METHODS: In this preliminary study, bilateral external femoral arteries of five male swine were exposed and sharply divided. Arteries were anastomosed using either interrupted sutures ( n = 5) or the everter device and Synovis Coupler ( n = 5)...
February 16, 2018: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29435652/feasibility-and-outcome-of-stand-alone-trans-articular-screw-fixation-in-atlantoaxial-instability-in-children-less-than-8-years-of-age
#2
Shumayou Dutta, Vishal Kundnani, Tarun Dusad, Ankit Patel
PURPOSE: To study the feasibility and outcome of stand-alone trans-articular screw (TAS) fixation for atlantoaxial instability (AAI) in children less than 8 years of age. METHODS: This prospective study was conducted between 2009 and 2014. Thirteen children suffering from AAI were operated for a TAS fixation. Feasibility of TAS fixation was assessed on CT scan and a screw diameter was chosen based on C2 isthmus diameter. Demographic data collected included the etiology for AAI, age, and sex...
February 12, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29426609/factors-influencing-survival-following-hip-fracture-among-octogenarians-and-nonagenarians-in-the-united-states
#3
Steven L Bokshan, Stephen E Marcaccio, Travis D Blood, Roman A Hayda
INTRODUCTION: Hip fractures account for a significant disease burden in the Unites States. With an aging population, this disease burden is expected to increase in the upcoming decades. MATERIALS AND METHODS: This represents a retrospective cohort study to assess mortality following hip fracture in the octogenarian and nonagenarian populations. Odds ratios for postoperative mortality were constructed using normalized patients from United States Social Security death tables...
February 6, 2018: Injury
https://www.readbyqxmd.com/read/29425837/robotic-assisted-sacrocolpopexy-early-postoperative-outcomes-after-surgical-reduction-of-enlarged-genital-hiatus
#4
Megan S Bradley, Amy L Askew, Monique H Vaughan, Amie Kawasaki, Anthony G Visco
BACKGROUND: Currently, the decision to perform a concurrent posterior repair/perineoplasty at the time of robotic-assisted sacrocolpopexy is not standardized. OBJECTIVE: To compare anatomic failure after robotic-assisted sacrocolpopexy among three groups of patients categorized by their pre- and post-operative genital hiatus size. STUDY DESIGN: We performed a retrospective cohort study of women who underwent robotic-assisted sacrocolpopexy, from 1/2013 to 9/2016...
February 6, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29424920/menopause-new-frontiers-in-the-treatment-of-urogenital-atrophy
#5
G A Casarotti, P Chiodera, C Tremolada
OBJECTIVE: Urogenital atrophy is a degenerative process that may occur during menopause causing debilitating disorders and painful symptomatology. Estrogen therapy slows the onset of atrophy, but it requires ongoing therapy to maintain its effectiveness. To mitigate the degenerative evolutions associated with menopause, patients may benefit from new therapeutic approaches, such as the use of mesenchymal stem cells. Among the many sources, the adipose tissue is considered one of the smartest, due to its abundance and easy access...
January 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29409235/the-arthroereisis-procedure-in-adult-flexible-flatfoot-grade-iia-due-to-insufficiency-of-posterior-tibial-tendon
#6
P Ceccarini, G Rinonapoli, G Gambaracci, M Bisaccia, A Ceccarini, A Caraffa
BACKGROUND: To report on the functional, biomechanical, and radiographic results of patients who had undergone arthroereisis plus tensioning of the posterior tibial tendon for flexible flatfoot. The hypothesis is that arthroereisis associated to a tensioning of the posterior tibial tendon give a good correction with great satisfaction in patients with flexible flatfoot in grade IIA. METHODS: We evaluated 29 patients (31 feet), mean age of 46.4 years, who had been surgically treated for adult flatfoot grade IIA according to Myerson...
April 14, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29408772/cervical-spine-surgery-for-tandem-spinal-stenosis-the-impact-on-low-back-pain
#7
Matthew D Alvin, Vincent J Alentado, Daniel Lubelski, Edward C Benzel, Thomas E Mroz
STUDY DESIGN: Retrospective Cohort. OBJECTIVE: Tandem spinal stenosis (TSS) can present similarly to cervical myelopathy, but often has a worse prognosis. Few studies have investigated outcomes and compared treatment approaches for patients with TSS. We sought to determine the impact of cervical spine surgery on cervical and lumbar spine symptoms in patients with symptomatic tandem spinal stenosis. PATIENTS METHODS: 84 patients with TSS were identified over 5 years...
February 2, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29405794/assessment-of-lacrimal-resistance-using-a-manometric-tear-duct-irrigation-system
#8
Ebube E Obi, Oyinkan Olurin, Peter M Mota, Zuzana Sipkova, Oana Vonica, Andrew R Pearson
Lacrimal surgery aims to provide a low-resistance tear drainage passage. An assessment of lacrimal resistance guides decisions on surgery. We present results of a modified tear duct irrigation system that reliably measures lacrimal outflow resistance. Patients in a specialist lacrimal clinic had a full work-up to the point of tear duct syringing. The tear ducts were irrigated using a manometric system, which applied a fixed, known head of fluid pressure to a lacrimal cannula. Fluid flow is recorded and the lacrimal resistance derived as fluid pressure/fluid flow (units cmH20 secml-1, for simplicity presented as drops per minute, dpm)...
February 6, 2018: Orbit
https://www.readbyqxmd.com/read/29404249/extended-endoscopic-endonasal-approach-for-suprasellar-craniopharyngioma
#9
D Locatelli, F Pozzi, G Agresta, S Padovan, A Karligkiotis, P Castelnuovo
Objectives  We illustrate a suprasellar craniopharyngiomas treated with an extended endoscopic endonasal approach (EEEA). Design  Case report of a 43-year-old male affected by cerebral lesion located in suprasellar region involving the third ventricle and compressing the neurovascular structures, causing an anterosuperior dislocation of the chiasma. There is a complete disruption of the pituitary stalk that can explain the clinical finding of partial anterior hypopituitarism and hyperprolactinemia. The lesion is characterized by a solid and cystic component...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29401092/minimizing-leg-length-discrepancy-after-intramedullary-nailing-of-comminuted-femoral-shaft-fractures-a-prospective-quality-improvement-initiative-using-the-scout-ct-scanogram
#10
Petra Gheraibeh, Rahul Vaidya, Ian Hudson, Robert Meehan, Frederick Tonnos, Anil Sethi
OBJECTIVES: To prevent leg length discrepancy (LLD) after locked femoral nailing in patients with comminuted femoral shaft fractures. DESIGN: Prospective consecutive case series aimed at quality improvement SETTING:: Level 1 Trauma Center USA PATIENTS:: Ninety-eight consecutive patients with a comminuted femoral shaft fracture underwent statically locked intramedullary nailing with a focused attempt at minimizing LLD during surgery. INTERVENTION: A CT scanogram of both legs was performed on post op day 1 to assess for residual LLD ...
January 30, 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29398629/post-op-a-strategy-to-improve-clinical-documentation-in-the-early-postoperative-period
#11
Paul M Cromwell, Michael Flood, Emer O Connell, Waqar Khan, Ronan Waldron, Iqbal Khan, Kevin Barry
OBJECTIVE: To construct and pilot an educational tool to improve the quality of postoperative documentation at Mayo University Hospital. DESIGN: Retrospective data were collected from 100 consecutive patients treated surgically during October to November 2016. The first written ward based note following surgery was analyzed against RCS quality standards outlined in "Good Surgical Practice." An educational tool was then constructed to improve postoperative documentation...
February 1, 2018: Journal of Surgical Education
https://www.readbyqxmd.com/read/29395230/effects-of-intervertebral-disc-lesion-and-multifidus-muscle-resection-on-the-structure-of-the-lumbar-intervertebral-discs-and-paraspinal-musculature-of-the-rat
#12
Huub Maas, Wendy Noort, Paul W Hodges, Jaap van Dieën
The aim of this study was to investigate whether elimination of multifidus muscle in rats causes intervertebral disc (IVD) degeneration similar to that found after IVD lesion. Data were obtained from 36 male Wistar rats randomly assigned to one of three groups: (i) IVD lesion, in which the L4/L5 IVD was stabbed; (ii) multifidus muscle resection, in which all multifidus tissue between L3 and L6 was excised bilaterally; (iii) control, in which no intervention was applied. At 7, 14, and 28 days post-intervention, L4/L5 IVDs were harvested for histological analysis; left and right multifidus fascicles between L3 and S1 (from control and IVD lesion animals) and medial longissimus between L1 and S3 (from all animals) were dissected and weighed...
January 12, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29389077/nitinol-basket-assisted-pars-plana-vitrectomy-for-retained-lens-material-removal
#13
Danilo Iannetta, Leonore Engelbrecht, Marco Mura
PURPOSE: To evaluate the usefulness of different types of nitinol baskets to capture, lift and hold the lens material, dropped during a complicated phacoemulsification, as an adjunctive surgical tool in vitreoretinal surgery and to evaluate the outcomes and complication of this new surgical technique in a small series of patients. METHODS: Patients who underwent pars plana vitrectomy (PPV) for retained lens fragments operated during December 2014 and March 2015 at the Academic Medical Center (AMC), Amsterdam, were included in this study...
February 1, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29388561/optimization-of-pillar-electrodes-in-subretinal-prosthesis-for-enhanced-proximity-to-target-neurons
#14
Thomas Anthony Flores, Xin Lei, Tiffany Wanshing Huang, Henri Lorach, Roopa Dalal, Ludwig Galambos, Ted I Kamins, Keith Mathieson, Daniel Palanker
High-resolution prosthetic vision requires dense stimulating arrays with small electrodes. However, such miniaturization reduces electrode capacitance and penetration of electric field into tissue. We evaluate potential solutions to these problems with subretinal implants based on utilization of pillar electrodes. Approach. To study integration of three-dimensional (3-D) implants with retinal tissue, we fabricated arrays with varying pillar diameter, pitch, and height, and implanted beneath the degenerate retina in rats (Royal College of Surgeons, RCS)...
February 1, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29384864/does-spinal-fusion-to-t2-t3-or-t4-affects-sagittal-alignment-of-the-cervical-spine-in-lenke-1-ais-patients-a-retrospective-study
#15
Jian Zhao, Ziqiang Chen, Mingyuan Yang, Gengwu Li, Yingchuan Zhao, Ming Li
The aim of this stusy was to investigate whether spinal fusion to T2, T3, or T4 affects sagittal alignment of the cervical spine in Lenke 1 adolescent idiopathic scoliosis (AIS) patients.A retrospective study comprised of 64 Lenke 1 AIS patients was performed to assess the radiographic and clinical outcome. According to the upper instrumented vertebrae (UIV) (T2, T3, or T4), the patients were divided into 3 groups. Comparison analyses were performed among these 3 groups of patients as between pre-op, immediate post-op, and final follow-up, as well as between these groups...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29383294/hydrodissection-of-wiltse-s-plane-to-facilitate-exposure-during-minimally-invasive-transforaminal-lumbar-interbody-fusion
#16
Zachary Tataryn, Kenan Alkhalili, James T Kryzanski
Traditional posterior lumbar approaches in a transforaminal lumbar interbody fusion (TLIF) require subperiosteal dissection of bilateral paraspinal muscles to provide adequate exposure. This may traumatize the multifidus muscle and its afferent innervations leading to postoperative paraspinal muscle atrophy. Minimizing such intraoperative trauma has been identified as an important factor in the reduction of postoperative lumbar pain. An approach via a blunt dissection through Wiltse's plane, which lies between the longissimus and multifidus muscles, may minimize postoperative pain...
November 23, 2017: Curēus
https://www.readbyqxmd.com/read/29383001/efficacy-of-multimodal-therapy-in-the-survival-outcomes-of-advanced-stage-stage-iii-stage-iv-oral-carcinoma-patients-an-institutional-experience-in-asian-indian-population
#17
Amit Dhawan, Prahlad Duggal, Ramandeep Singh Bhullar, Tejinder Kaur, Amneet Sandhu, Kirandeep Kaur
Aim: Primary ablative surgery followed by post-op radiotherapy (S-RT) remains the mainstay of treatment for stage III-stage IV oral carcinoma. A retrospective analysis of survival rates of advanced-stage OSCC patients treated with multimodal therapies (S-RT or combined chemoradiation) was performed to analyse the outcome for patient survival and whether addition of adjuvant chemotherapy (S-CRT) improves survival. Materials and Methods: Demographic, pathological, treatment and follow-up data of 128 patients were included in the study...
March 2018: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29382989/protocol-for-antibiotic-administration-in-mandibular-trauma-a-prospective-clinical-trial
#18
Anisha Perepa, Ramen Sinha, Anmol Agarwal, Tahseen Ali Khan
Purpose: The purpose of this study is to determine the necessity and/or effectiveness of antibiotics in cases with maxillofacial trauma and emphasise the administration of antibiotics in maxillofacial fractures indicated for open reduction and rigid internal fixation (ORIF). Materials and Methods: This study is a single blind, prospective, randomized clinical trial composed of subjects who presented with non-comminuted, linear fractures of the mandible and were treated by ORIF via an intraoral approach...
March 2018: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29377306/limb-asymmetry-during-recovery-from-anterior-cruciate-ligament-reconstruction
#19
Kristen E Renner, Christopher T Franck, Thomas K Miller, Robin M Queen
There is limited literature that follows a population of Anterior Cruciate Ligament Reconstruction (ACLR) patients through recovery. Our aim was to examine differences in movement and loading patterns across time and between limbs over four visits during 12 months post-ACLR. We hypothesized that kinematic and kinetic data during a stop-jump would have time and limb dependent differences through 12 months post-surgery. Twenty-three ACLR athletes performed five vertical stop-jumps at 4, 5, 6, and 12 months post-op with motion capture and force plate data collection...
January 29, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29371724/how-close-are-we-an-audit-of-biometry-of-a-tertiary-care-hospital-in-karachi
#20
Abdul Hameed Siddiqui, Maria Khan, Marium Hussain
OBJECTIVE: To evaluate the accuracy of biometry in the post-op phase of cataract surgery. METHODS: This study was conducted at Liaquat National Hospital, Karachi, from June 2015 to July 2016, and comprised the audit of patients who underwent cataract surgery during the period. Keratometry was done on Haag-Strait manual keratometer and A-scan was done by applanation contact method on SonoMed machine. Theoretic-T formula was used to calculate desired intraocular lens power for all kinds of axial lengths...
January 2018: JPMA. the Journal of the Pakistan Medical Association
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