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Direct Anterior Approach

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https://www.readbyqxmd.com/read/29663013/bone-to-bone-integrations-were-complete-within-5-months-after-anatomical-rectangular-tunnel-anterior-cruciate-ligament-reconstruction-using-a-bone-patellar-tendon-bone-graft
#1
Hironari Masuda, Shuji Taketomi, Hiroshi Inui, Naoya Shimazaki, Nobuhiro Nishihara, Seikai Toyooka, Hirotaka Kawano, Takumi Nakagawa
PURPOSE: Anterior cruciate ligament (ACL) reconstruction using a bone-patellar tendon-bone (BTB) graft is known to provide secure fixation due to the direct bone-to-bone integration of the bone plug and bone tunnel. It is important to know the time required for bone integration when designing the postoperative rehabilitation protocol or deciding when the patient can return to competition-level activity, especially if the patient is an athlete. However, because reports are scarce, the period necessary for bone-to-bone integration after ACL reconstruction using a BTB graft remains unclear...
April 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29660551/photogrammetry-of-the-human-brain-a-novel-method-for-3d-the-quantitative-exploration-of-the-structural-connectivity-in-neurosurgery-and-neurosciences
#2
Alessandro De Benedictis, Erica Nocerino, Fabio Menna, Fabio Remondino, Mattia Barbareschi, Umberto Rozzanigo, Francesco Corsini, Emanuele Olivetti, Carlo Efisio Marras, Franco Chioffi, Paolo Avesani, Silvio Sarubbo
BACKGROUND: Anatomical awareness of brain's structural connectivity is mandatory for neurosurgeons, to select the most effective approaches for brain resections. Although standard micro-dissection is a validated technique to investigate the different white matter (WM) pathways and to verify results coming from tractography, the possibility of an interactive exploration of the specimens and of a reliable acquisition of quantitative information has not been described so far. Photogrammetry is a well-established technique allowing an accurate metrology on highly defined 3D-models...
April 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29659436/a-novel-technique-of-ultrasound-guided-selective-mandibular-nerve-block-with-a-lateral-pterygoid-plate-approach-a-cadaveric-study
#3
Wirinaree Kampitak, Tanvaa Tansatit, Yasuyuki Shibata
BACKGROUND AND OBJECTIVES: We aimed to describe a novel technique of ultrasound-guided selective mandibular nerve block with a lateral pterygoid plate (LPP) approach and to assess its feasibility and accuracy in a soft cadaver model. METHODS: Ten soft cadavers were studied. A curved array ultrasound transducer was applied over 1 side of the face of the cadaver, in an open-mouth position. The transducer was placed transversely below the zygomatic arch and tilted in the caudal-to-cranial direction to identify the boundary of the LPP...
April 14, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29658386/finite-element-evaluation-of-the-newest-iso-testing-standard-for-polyethylene-total-knee-replacement-liners
#4
Steven P Mell, Spencer Fullam, Markus A Wimmer, Hannah J Lundberg
Current treatment for end-stage osteoarthritis is total knee replacement. Given that the number of total knee replacement surgeries is expected to approach 3.48 million by 2030, understanding long-term failure is important. One of the preclinical tests for total knee replacements is carried out using mechanical wear testing under generic walking conditions. Used for this purpose is the International Standards Organization's generic walking profile. Recently this standard was updated by reversing the direction of anterior/posterior translation and internal/external rotation...
April 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29644301/pseudoaneurysm-of-brachial-artery-a-rare-cause-of-median-nerve-compression
#5
João Lobo, Mariana Cunha Ferreira, Pedro Negrão Ramos
Background: The authors present an unusual clinical case of high median nerve compression caused by an iatrogenic pseudoaneurysm of the brachial artery after an angiography with a follow up of 9 months. Methods: A 73-year-old male was seen with progressive numbness, loss of opponency and diminution of strength of finger flexion in the left hand after an angiography with direct puncture of the left humeral artery. Physical examination revealed a hard consistency internal distal arm swelling with the size of a walnut, non-pulsatile and with a Tinel sign on percussion...
April 2018: Trauma Case Reports
https://www.readbyqxmd.com/read/29630005/an-exploration-of-equine-assisted-therapy-to-improve-balance-functional-capacity-and-cognition-in-older-adults-with-alzheimer-disease
#6
Thais Borges de Araujo, Wagner Rodrigues Martins, Marco Polo Freitas, Einstein Camargos, Jéssica Mota, Marisete Peralta Safons
BACKGROUND AND PURPOSE: Alzheimer disease (AD) is a chronic, progressive dementia syndrome that features cognitive and behavioral symptoms, as well as physical and functional limitations that develop over the course of the disease. As an activity that involves physical and cognitive aspects, equine-assisted therapy (EAT) could be a useful therapeutic approach in conditions that involve physical and cognitive decline. However, to date, there are no reports of the use of this therapy in participants with AD...
April 6, 2018: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/29629234/a-difficult-to-treat-acom-aneurysm-with-the-combined-vascular-anomaly-of-acom-fenestration-and-accessory-anterior-cerebral-artery
#7
Hideyuki Tomita, Katsuya Saito
Background: Vascular anomaly and aneurysmal formation of an anterior communicating artery (Acom) complex has often been reported. Because of such a complicated relationship between the vascular structure and aneurysms, Acom aneurysm is one of the most difficult aneurysms to treat among other common anterior circulation aneurysms. We experienced an extremely rare and difficult-to-treat case of ruptured Acom aneurysm with the combined vascular anomaly of the Acom fenestration and an accessory anterior cerebral artery (ACA)...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29624450/national-athletic-trainers-association-position-statement-evaluation-management-and-outcomes-of-and-return-to-play-criteria-for-overhead-athletes-with-superior-labral-anterior-posterior-injuries
#8
Lori A Michener, Jeffrey S Abrams, Kellie C Huxel Bliven, Sue Falsone, Kevin G Laudner, Edward G McFarland, James E Tibone, Charles A Thigpen, Timothy L Uhl
OBJECTIVE:   To present recommendations for the diagnosis, management, outcomes, and return to play of athletes with superior labral anterior-posterior (SLAP) injuries. BACKGROUND:   In overhead athletes, SLAP tears are common as either acute or chronic injuries. The clinical guidelines presented here were developed based on a systematic review of the current evidence and the consensus of the writing panel. Clinicians can use these guidelines to inform decision making regarding the diagnosis, acute and long-term conservative and surgical treatment, and expected outcomes of and return-to-play guidelines for athletes with SLAP injuries...
March 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29622494/evaluation-of-the-learning-curve-when-transitioning-from-posterolateral-to-direct-anterior-hip-arthroplasty-a-consecutive-series-of-1000-cases
#9
Andrea H Stone, Udai S Sibia, Ryan Atkinson, Timothy R Turner, Paul J King
BACKGROUND: The direct anterior approach (DAA) for primary hip replacement has been gaining more attention and widespread use in recent years. There are a number of published studies evaluating the learning curve when a surgeon changes technique; these studies typically look at complications during the initial cases. This study examines procedure and total operating room (OR) time along with all complications for a surgeon transitioning from the posterolateral approach (PA) to DAA. METHODS: A retrospective review of a single surgeon series of 1000 initial DAA procedures...
March 8, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29618477/characteristics-of-ice-impedance-recorded-from-a-ring-electrode-placed-at-the-anterior-surface-of-the-cryoballoon-novel-approach-to-define-ice-formation-and-pulmonary-vein-isolation
#10
Boaz Avitall, Arthur Kalinski, G Stephen Kocheril, Ken S Lizama, Nicolas Coulombe, Timothy Laske
BACKGROUND: The success of cryoablation of the pulmonary vein isolation (PVI) is dependent on transmural and circumferential ice formation. We hypothesize that rising impedance recorded from a ring electrode placed 2 mm from the cryoballoon signifies ice formation covering the balloon surface and indicates ice expansion. The impedance level enables titration of the cryoapplication time to avoid extracardiac damage while ensuring PVI. METHODS AND RESULTS: In 12 canines, a total of 57 pulmonary veins were targeted for isolation...
April 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29615790/multivariate-granger-causality-unveils-directed-parietal-to-prefrontal-cortex-connectivity-during-task-free-mri
#11
Andrea Duggento, Luca Passamonti, Gaetano Valenza, Riccardo Barbieri, Maria Guerrisi, Nicola Toschi
While a large body of research has focused on the study of functional brain "connectivity", few investigators have focused on directionality of brain-brain interactions which, in spite of the mostly bidirectional anatomical substrates, cannot be assumed to be symmetrical. We employ a multivariate Granger Causality-based approach to estimating directed in-network interactions and quantify its advantages using extensive realistic synthetic BOLD data simulations to match Human Connectome Project (HCP) data specification...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29615378/intraoperative-psoas-compartment-block-vs-preoperative-fascia-iliaca-block-for-pain-control-after-direct-anterior-total-hip-arthroplasty-a-randomized-controlled-trial
#12
Clayton R Perry, Adam M Fahs, Michael D Kurdziel, Denise M Koueiter, Randy J Fayne, James J Verner
BACKGROUND: Modern joint arthroplasty protocols place an emphasis on minimizing patient-reported postoperative pain while minimizing opioid consumption. The use of multimodal pain management protocols has been reported to improve patient outcomes and satisfaction after total hip arthroplasty. METHODS: In a prospective, single-surgeon trial, 50 patients undergoing primary direct anterior approach total hip arthroplasty were randomized to receive a preoperative fascia iliaca compartment block (FICB) or an intraoperative surgeon-delivered psoas compartment block (PCB)...
January 31, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29613926/motor-evoked-potential-analysis-of-femoral-nerve-status-during-the-direct-anterior-approach-for-total-hip-arthroplasty
#13
Tetsuro Ishimatsu, Koichi Kinoshita, Jun Nishio, Jun Tanaka, Satohiro Ishii, Takuaki Yamamoto
BACKGROUND: During the direct anterior approach for total hip arthroplasty, a retractor is placed on the anterior wall of the acetabulum to retract the iliopsoas muscle. This step with the retractor has been reported to put the patient at risk for femoral nerve damage. The present study aimed to clarify the effects of the anterior acetabular retractor on the status of the femoral nerve during the direct anterior approach on the basis of transcranial motor-evoked potential (MEP) analysis...
April 4, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29606041/safe-maximal-resection-of-primary-cavernous-sinus-meningiomas-via-a-minimal-anterior-and-posterior-combined-transpetrosal-approach
#14
Hiroki Morisako, Takeo Goto, Hiroki Ohata, Sachin Ranganatha Goudihalli, Keisuke Shirosaka, Kenji Ohata
OBJECTIVE Meningiomas arising from the cavernous sinus (CS) continue to be a significant technical challenge, and resection continues to carry a relatively higher risk of neurological morbidity in patients with these lesions because of the tumor's proximity to neurovascular structures. The authors report the surgical outcomes of 9 patients with primary CS meningiomas (CSMs) that were surgically treated using a minimal anterior and posterior combined (MAPC) transpetrosal approach, and they emphasize the usefulness of the approach...
April 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29601896/differentiating-between-bipolar-and-unipolar-depression-in-functional-and-structural-mri-studies
#15
REVIEW
Kyu-Man Han, Domenico De Berardis, Michele Fornaro, Yong-Ku Kim
Distinguishing depression in bipolar disorder (BD) from unipolar depression (UD) solely based on clinical clues is difficult, which has led to the exploration of promising neural markers in neuroimaging measures for discriminating between BD depression and UD. In this article, we review structural and functional magnetic resonance imaging (MRI) studies that directly compare UD and BD depression based on neuroimaging modalities including functional MRI studies on regional brain activation or functional connectivity, structural MRI on gray or white matter morphology, and pattern classification analyses using a machine learning approach...
March 27, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29588881/orbitopterional-approach-for-the-resection-of-a-suprasellar-craniopharyngioma-adapting-the-strategy-to-the-microsurgical-and-pathologic-anatomy
#16
Vincent Nguyen, Jaafar Basma, Paul Klimo, Jeffrey Sorenson, L Madison Michael
Objectives  To describe the orbitopterional approach for the resection of a suprasellar craniopharyngioma with emphasis on the microsurgical and pathological anatomy of such lesions. Design  After completing the orbitopterional craniotomy in one piece including a supraorbital ridge osteotomy, the Sylvian fissure was split in a distal to proximal direction. The ipsilateral optic nerve and internal carotid artery were identified. Establishing a corridor to the tumor through both the opticocarotid and optic cisterns allowed for a wide angle of attack...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29577428/decompression-of-the-anterior-thoracic-spinal-canal-using-a-novel-full-endoscopic-uniportal-transthoracic-retropleural-technique-an-anatomical-feasibility-study-in-human-cadavers
#17
Sebastian Ruetten, Patrick Hahn, Semih Oezdemir, Xenophon Baraliakos, Georgios Godolias, Martin Komp
Surgery for thoracic disc herniation and spinal stenosis is comparatively rare and often demanding. The goal is to achieve sufficient decompression without manipulating the spinal cord. Individual planning and various surgical techniques and approaches are required. This anatomical study examines the feasibility of a novel full-endoscopic uniportal technique with a transthoracic retropleural approach for decompression of the anterior thoracic spinal canal. Operations were performed on three fresh adult cadavers...
March 25, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29576639/total-hip-arthroplasty-by-the-direct-anterior-approach-using-a-neck-preserving-stem-safety-efficacy-and-learning-curve
#18
Aditya Khemka, Omar Mograby, Sarah J Lord, Zelda Doyle, Munjed Al Muderis
Background: The concept of femoral neck preservation in total hip replacement (THR) was introduced in 1993. It is postulated that retaining cortical bone of the femoral neck offers triplanar stability, uniform stress distribution, and accommodates physiological anteversion. However, data on safety, efficacy and learning curve are lacking. Materials and Methods: We prospectively assessed all patients who were operated for a THR with a short neck preserving stem (MiniHip) between 2012 and 2014...
March 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29575005/axillary-sonography-of-the-shoulder-an-adjunctive-approach
#19
Paul Michelin, Julie Legrand, Kenneth S Lee, Grégoire Leleup, Mathilde Etancelin, Christopher Banse, Jean-Nicolas Dacher, Fabrice Duparc
Sonography of the shoulder is widely used to assess various disorders, including tendinous diseases of the rotator cuff and the long head of the biceps brachii muscle. The shoulder is commonly explored through anterior, superior, and posterior approaches, but the inferior axillary approach is rarely considered in the literature. However, this technique allows the direct visualization of relevant anatomic structures. The aim of this pictorial essay is, first, to technically describe this approach and the normal musculoskeletal sonographic anatomy of the region and, second, to present the sonographic findings of shoulder disorders that may be helpfully explored this technique...
March 25, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29574221/endoscopic-endonasal-clipping-of-anterior-circulation-aneurysm-surgical-techniques-and-results
#20
Li-Min Xiao, Bin Tang, Shen-Hao Xie, Guan-Lin Huang, Zhi-Gang Wang, Er-Ming Zeng, Tao Hong
OBJECTIVE: Endoscopic endonasal clipping of intracranial aneurysms may utilize the microsurgical techniques as an alternative to the transcranial approach. The aim of this manuscript is to report a series of patients who underwent endoscopic endonasal approach(EEA) for microsurgical clipping of anterior circulation aneurysms. METHOD: A retrospective chart review was conducted. All the patients who underwent standard binostril EEA for aneurysm clipping were included...
March 21, 2018: World Neurosurgery
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