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https://www.readbyqxmd.com/read/29457269/ambulatory-blood-pressure-monitoring-in-living-kidney-donors-what-changes-in-ten-years
#1
Serkan Feyyaz Yalin, Sinan Trabulus, Nurhan Seyahi, Mahir Cengiz, Mustafa Erdogan Cicik, Mehmet Riza Altiparmak
In renal transplantation, living donations have more significant benefits compared to cadaveric donations. However, a probable increase in blood pressure following donation should also be kept in mind. In this study, we investigated the long-term changes in blood pressure in living kidney donors using ambulatory blood pressure monitoring and we explored the e-GFR and albuminuria/proteinuria measurements at three time points. Twenty-eight living kidney donors and 39 healthy individuals were evaluated and compared at the baseline and later at the 10th year...
February 19, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29457120/spread-of-injectate-in-ultrasound-guided-serratus-plane-block-a-cadaveric-study
#2
Tatsuya Kunigo, Takeshi Murouchi, Shuji Yamamoto, Michiaki Yamakage
Background: Serratus plane block is a thoracic truncal block that has been proposed as alternatives for analgesia such as epidural anesthesia and paravertebral block for the anterolateral chest wall. Previously, we performed the clinical study about optimal volume of the local anesthetic in serratus plane block. The primary aim of this study was to assess the pattern of distribution of dye into the serratus plane of cadavers after ultrasound-guided serratus plane injection. Findings: Ultrasound-guided serratus plane injection was performed at the level of the fourth rib on the mid-axillary line in nine adult Thiel-embalmed cadavers...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29456341/using-of-fresh-cadaveric-cow-brain-in-the-microsurgical-training-model-for-sulcal-cisternal-and-fissural-dissection
#3
Ahmet Gökyar, Cengiz Cokluk
Objective: The aim of this experimental study was to evaluate the feasibility of using fresh cadaveric cow brain as in a training model for microsurgical dissection of sulcus, cisterns, and fissure. Methods: Experimental microneurosurgical activities in this study were performed under the operating microscope. Bilateral sylvian cisterns, interhemispheric fissure, and hemispheric sulcus of the fresh cadaveric cow brain were used as an interested area for this experimental study...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456336/using-of-fresh-cadaveric-cow-brain-in-the-microsurgical-training-model-for-sulcal-cisternal-and-fissural-dissection
#4
EDITORIAL
Raghunath Avanali
No abstract text is available yet for this article.
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456064/triple-loaded-suture-anchors-versus-a-knotless-rip-stop-construct-in-a-single-row-rotator-cuff-repair-model
#5
Matthew P Noyes, Evan Lederman, Christopher R Adams, Patrick J Denard
PURPOSE: To compare the biomechanical properties of single-row repair with triple-loaded (TL) anchor repair versus a knotless rip stop (KRS) repair in a rotator cuff repair model. METHODS: Rotator cuff tears were created in 8 cadaveric matched-pair specimens and repaired with a TL anchor or KRS construct. In the TL construct, anchors were placed in the greater tuberosity and then all suture limbs were passed through the rotator cuff as simple sutures and tied. In the KRS construct, a 2-mm suture tape was passed through the tendon in an inverted mattress fashion, and a free suture was passed medial to the suture tape to create a rip-stop...
February 15, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29455409/how-i-do-it-endoscopic-endonasal-approach-to-the-inferior-third-of-the-clivus
#6
Eugenio Cárdenas Ruiz-Valdepeñas, Ariel Kaen, Gustavo Pérez Prat, Jesus Ambrosiani Fernandez
BACKGROUND: Nowadays, endoscopic endonasal expanded approach targeting for the clival lower third is well described in literature. Nonetheless, great variations can be found among surgical groups, specially during the earlier stages of this procedure. METHOD: We present a step by step description of the clival lower third approach until entering the dural space, setting its bony limits. We describe the basipharyngeal flap tailoring as a helpful option for latter reconstruction...
February 17, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29455101/does-pedicle-screw-fixation-of-the-subaxial-cervical-spine-provide-adequate-stabilization-in-a-multilevel-vertebral-body-fracture-model-an-in-vitro-biomechanical-study
#7
John Duff, Mir M Hussain, Noelle Klocke, Jonathan A Harris, Soumya S Yandamuri, Lukas Bobinski, Roy T Daniel, Brandon S Bucklen
BACKGROUND: Cervical vertebral body fractures generally are treated through an anterior-posterior approach. Cervical pedicle screws offer an alternative to circumferential fixation. This biomechanical study quantifies whether cervical pedicle screws alone can restore the stability of a three-column vertebral body fracture, making standard 360° reconstruction unnecessary. METHODS: Range of motion (2.0 Nm) in flexion-extension, lateral bending, and axial rotation was tested on 10 cadaveric specimens (five/group) at C2-T1 with a spine kinematics simulator...
February 14, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29454371/auditory-effects-of-autologous-fat-graft-for-torp-stabilization-in-the-middle-ear-a-cadaveric-study
#8
Margaret Aron, Thomas G Landry, Manohar Bance
BACKGROUND: Total ossicular replacement prostheses (TORP) are often used to re-establish ossicular coupling of sound in an ear lacking a stapes supra-structure. The use of TORPs, however, is associated with a 2/3 five year failure rate due to their anatomic instability over time in the middle ear. The use of autologous fat to try and stabilize TORPs may improve long-term results with this challenging ossicular reconstruction technique. METHODS: A cadaveric temporal bone model was developed and laser Doppler vibrometry was used to measure and record round window membrane vibration in response to sound stimulation under the following conditions: normal middle ear, middle ear filled with fat, normal middle ear with TORP prosthesis, TORP prosthesis with fat around its distal end and TORP prosthesis with fat filling the middle ear...
February 17, 2018: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29454119/anatomical-study-of-the-nutrient-foramina-of-the-posterior-axis-with-application-to-c2-pedicle-screw-placement
#9
Tamir Tawfik, Joe Iwanaga, Emre Yilmaz, Paul Choi, Charlotte Wilson, Emily Simonds, Jared J Marks, Haynes L Harkey, Rod J Oskouian, R Shane Tubbs
OBJECTIVE: Pedicle screws placed into C2 necessitate a thorough understanding of this bone's unique anatomy. Although multiple landmarks and measurements have been used by surgeons, these are often varied in the literature with no consensus. Herein, we studied one recently proposed landmark using the nutrient foramina of the posterior aspect of C2 for pedicle screw placement. METHODS: On 19 (38 sides) C2 dry bone specimens, the presence, size, location, and distance from the midline of the nutrient foramina found at the junction between the isthmus and lamina were documented and measured...
February 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29453584/variations-in-the-attachments-of-the-medial-meniscal-anterior-horn-a-descriptive-cadaveric-study
#10
Innocent Ouko, James Kigera, Kevin Ongeti, Anne Pulei
PURPOSE: Meniscal tears are common in Kenya, with prevalence rates ranging from 45 to 78% of intracapsular knee pathology. Diagnosis of these injuries relies on the use of both clinical signs and symptoms as well as radiological investigations. In a few instances, radiological detection could be difficult, partly because of variant attachment patterns of the medial meniscal anterior horn. Some of these unusual attachments of the anterior horn of the medial meniscus could even be mistaken for meniscal tears...
February 16, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29453025/material-properties-of-the-brain-in-injury-relevant-conditions-experiments-and-computational-modeling
#11
Wei Zhao, Bryan Choate, Songbai Ji
Material properties of the brain have been extensively studied but remain poorly characterized. The vast variations in constitutive models and material constants are well documented. However, no study exists to translate the variations into disparities in impact-induced brain strains most relevant to brain injury. Here, we reviewed a subset of injury-relevant brain material properties either characterized in experiments or adopted in recent head injury models. To highlight how variations in measured brain material properties manifested in simulated brain strains, we selected six experiments that have provided a complete set of brain material model and constants to implement a common head injury model...
February 6, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29452829/cribriform-plate-width-is-highly-variable-within-and-between-subjects
#12
Daniel H Coelho, Taylor S Pence, Mostafa Abdel-Hamid, Richard M Costanzo
OBJECTIVE: All successful endonasal surgery, including functional endoscopic sinus surgery (FESS), depends on knowledge of both anatomy and the specific variations that can occur between and within patients. Familiarity with these structures is a critical component in preventing complications from these procedures, and failure to understand subtle variation can have disastrous results. The aim of this study was to characterize the anatomical variations (if any) of the cribriform plate using a large cadaveric sample set...
February 13, 2018: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29452734/calcar-screw-position-in-proximal-humerus-fracture-fixation-don-t-miss-high
#13
Samir Mehta, Matthew Chin, Jennifer Sanville, Surena Namdari, Michael W Hast
INTRODUCTION: In locked plate fixation of proximal humerus fractures, the calcar is an important anchor point for screws providing much-needed medial column support. Most locking plate implants utilize a fixed-trajectory locking screw to achieve this goal. Consequently, adjustments of plate location to account for patient-specific anatomy may result in a screw position outside of the calcar. To date, little is known about the consequences of "missing" the calcar during plate positioning...
February 11, 2018: Injury
https://www.readbyqxmd.com/read/29451935/economic-analysis-of-anatomic-plating-versus-tubular-plating-for-the-treatment-of-fibula-fractures
#14
Gerard Chang, Suneel B Bhat, Steven M Raikin, Justin M Kane, Andrew Kay, Jamal Ahmad, David I Pedowitz, James Krieg
Ankle fractures are among the most common injuries requiring operative management. Implant choices include one-third tubular plates and anatomically precontoured plates. Although cadaveric studies have not revealed biomechanical differences between various plate constructs, there are substantial cost differences. This study sought to characterize the economic implications of implant choice. A retrospective review was undertaken of 201 consecutive patients with operatively treated OTA type 44B and 44C ankles...
February 16, 2018: Orthopedics
https://www.readbyqxmd.com/read/29451436/novel-posterior-artificial-atlanto-odontoid-joint-for-atlantoaxial-instability-a-biomechanical-study
#15
Kai Shen, Zhongliang Deng, Junsong Yang, Chao Liu, Ranxi Zhang
OBJECTIVE Atlantoaxial instability is usually corrected by anterior and/or posterior C1-2 fusion. However, fusion can lead to considerable loss of movement at the C1-2 level, which can adversely impact a patient's quality of life. In this study, the authors investigated the stability and function of a novel posterior artificial atlanto-odontoid joint (NPAAJ) by using cadaveric cervical spines. METHODS The Oc-C7 regions from 10 cadaveric spines were used for anteroposterior (AP) translation and range of motion (ROM) tests while intact and after destabilization, NPAAJ implantation, and double-rod fixation...
February 16, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29451317/ultrasound-guided-microinvasive-carpal-tunnel-release-using-a-novel-retractable-needle-mounted-blade-a-cadaveric-study
#16
Peter D Hebbard, Andrew I T Hebbard, Janos Tomka, Richard Appleyard
Ultrasound (US)-guided microinvasive procedures are defined as those performed via needles without notable scarring. Ten cadaver hands underwent US-guided microinvasive carpal tunnel release using a novel needle-based tool, the micro i-Blade (Summit Medical Products, Inc, Sandy, UT). A US-imaged landmark, the inflexion point of the ligaments distal to the hook of the hamate, was used to position the distal extent of the cut. The transverse carpal ligament was successfully released in all hands without damage to nerves or arteries...
February 16, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29451097/a-three-dimensional-printed-patient-specific-scaphoid-replacement-a-cadaveric-study
#17
Philipp Honigmann, Ralf Schumacher, Romy Marek, Franz Büttner, Florian Thieringer, Mathias Haefeli
We present our first cadaveric test results of a three-dimensional printed patient-specific scaphoid replacement with tendon suspension, which showed normal motion behaviour and preservation of a stable scapholunate interval during physiological range of motion.
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29450567/coronal-tibial-anteromedial-tunnel-location-has-minimal-effect-on-knee-biomechanics
#18
Shigehiro Asai, Donghwi Kim, Yuichi Hoshino, Chan-Woong Moon, Akira Maeyama, Monica Linde, Patrick Smolinski, Freddie H Fu
PURPOSE: Studies have found anatomic variation in the coronal position of the insertion site of anteromedial (AM) bundle of the anterior cruciate ligament (ACL) on the tibia, which can lead to questions about tunnel placement during ACL reconstruction. The purpose of this study was to determine how mediolateral placement of the tibial AM graft tunnel in double-bundle ACL reconstructions affects knee biomechanics. METHODS: Two different types of double-bundle ACL reconstructions were performed...
February 15, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29449159/agenesis-functional-deficiency-and-the-common-type-of-the-flexor-digitorum-superficialis-of-the-little-finger-a-meta-analysis
#19
K Yammine, M Erić
Agenesis, functional deficiency and the common type of the flexor digitorum superficialis of the little finger are reported in the literature to be highly variable with significant discrepancy between clinical and cadaveric frequencies. The aim of this systematic review was to generate overall clinical and cadaveric weighted frequencies, along with ancestry-based, side-based, sex-based and laterality-based frequencies. A systematic literature search identified 34 studies including 12,213 forearms/hands that met the inclusion criteria...
February 12, 2018: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/29447753/kinematics-of-the-anthropoid-os-centrale-and-the-functional-consequences-of-scaphoid-centrale-fusion-in-african-apes-and-hominins
#20
Caley M Orr
In most primates, the os centrale is interposed between the scaphoid, trapezoid, trapezium, and head of the capitate, thus constituting a component of the wrist's midcarpal complex. Scaphoid-centrale fusion is among the clearest morphological synapomorphies of African apes and hominins. Although it might facilitate knuckle-walking by increasing the rigidity and stability of the radial side of the wrist, the exact functional significance of scaphoid-centrale fusion is unclear. If fusion acts to produce a more rigid radial wrist that stabilizes the hand and limits shearing stresses, then in taxa with a free centrale, it should anchor ligaments that check extension and radial deviation, but exhibit motion independent of the scaphoid...
January 2018: Journal of Human Evolution
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