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https://www.readbyqxmd.com/read/28818476/complex-anatomic-abnormalities-of-the-lower-leg-muscles-and-tendons-associated-with-phocomelia-a-case-report
#1
Thomas Hodo, Mark Hamrick, Yulia Melenevsky
Musculoskeletal anatomy is widely known to have components that stray from the norm in the form of variant muscle and tendon presence, absence, origin, insertion, and bifurcation. Although these variant muscles and tendons might be deemed incidental and insignificant findings by most, they can be important contributors to pathologic physiology or, more importantly, an option for effective treatment. In the present case report, we describe a patient with phocomelia and Müllerian abnormalities secondary to in utero thalidomide exposure...
August 14, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28818230/symptomatic-compression-of-right-iliac-vein-after-right-iliac-artery-stent-placement
#2
Lindsay Young, Jeontaik Kwon, Mariano Arosemena, Dawn Salvatore, Paul DiMuzio, Babak Abai
Right lower extremity edema can be a presenting symptom of iliocaval compression syndrome, even in the absence of deep vein thrombosis. It has been reported in idiopathic and rarely, iatrogenic, cases secondary to variant anatomy, arterial stents, and bony hardware. Classically seen in the more confined left common iliac vein as May-Thurner syndrome, it is rare on the right side. We report an unusual case of acute right common iliac vein compression after right iliac stent placement leading to symptomatic right leg edema...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28818219/contemporary-outcomes-after-venography-guided-treatment-of-patients-with-may-thurner-syndrome
#3
Johnathon C Rollo, Steven M Farley, Adam Z Oskowitz, Karen Woo, Brian G DeRubertis
OBJECTIVE: Patients with May-Thurner syndrome (MTS) present with a spectrum of findings ranging from mild left leg edema to extensive iliofemoral deep venous thrombosis (DVT). Whereas asymptomatic left common iliac vein (LCIV) compression can be seen in a high proportion of normal individuals on axial imaging, the percentage of these persons with symptomatic compression is small, and debate exists about the optimal clinical and diagnostic criteria to treat these lesions in patients with symptomatic venous disease...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28741029/subtrochanteric-femoral-shortening-osteotomy-combined-with-cementless-total-hip-replacement-for-crowe-type-iv-developmental-dysplasia-a-retrospective-study
#4
Giuseppe Rollo, Giuseppe Solarino, Giovanni Vicenti, Girolamo Picca, Massimiliano Carrozzo, Biagio Moretti
BACKGROUND: Total hip replacement for high dislocation of the hip presents some difficulties, considering patients' young ages, the abnormal hip anatomy and the high rate of complications. In this study, we present our experience in terms of clinical and radiological results in the treatment of Crowe type IV hips with subtrochanteric femoral shortening osteotomy and cementless total hip replacement. MATERIALS AND METHODS: We retrospectively reviewed 15 patients with Crowe type IV hip dysplasia (two bilateral cases for a total of 17 hips) treated with cementless total hip replacement associated with shortening subtrochanteric osteotomies (nine transversal and eight Z-shape osteotomies) between March 2000 to February 2006...
July 24, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28736620/peroneal-tendon-disorders
#5
REVIEW
Kinner Davda, Karan Malhotra, Paul O'Donnell, Dishan Singh, Nicholas Cullen
Pathological abnormality of the peroneal tendons is an under-appreciated source of lateral hindfoot pain and dysfunction that can be difficult to distinguish from lateral ankle ligament injuries.Enclosed within the lateral compartment of the leg, the peroneal tendons are the primary evertors of the foot and function as lateral ankle stabilisers.Pathology of the tendons falls into three broad categories: tendinitis and tenosynovitis, tendon subluxation and dislocation, and tendon splits and tears. These can be associated with ankle instability, hindfoot deformity and anomalous anatomy such as a low lying peroneus brevis or peroneus quartus...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28727709/transforaminal-percutaneous-endoscopic-discectomy-and-foraminoplasty-after-lumbar-spinal-fusion-surgery
#6
Jian-Jun Wu, Hui-Zhen Chen, Changkun Zheng
BACKGROUND: The most common causes of pain following lumbar spinal fusions are residual herniation, or foraminal fibrosis and foraminal stenosis that is ignored, untreated, or undertreated. The original surgeon may advise his patient that nothing more can be done in his opinion that the nerve was visually decompressed by the original surgery. Post-operative imaging or electrophysiological assessment may be inadequate to explain all the reasons for residual or recurrent symptoms. Treatment of failed lumbar spinal fusions by repeat traditional open revision surgery usually incorporates more extensive decompression causing increased instability and back pain...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28678866/correlation-between-investment-in-sexual-traits-and-valve-sexual-dimorphism-in-cyprideis-species-ostracoda
#7
Maria João Fernandes Martins, Gene Hunt, Rowan Lockwood, John P Swaddle, David J Horne
Assessing the long-term macroevolutionary consequences of sexual selection has been hampered by the difficulty of studying this process in the fossil record. Cytheroid ostracodes offer an excellent system to explore sexual selection in the fossil record because their readily fossilized carapaces are sexually dimorphic. Specifically, males are relatively more elongate than females in this superfamily. This sexual shape difference is thought to arise so that males carapaces can accommodate their very large copulatory apparatus, which can account for up to one-third of body volume...
2017: PloS One
https://www.readbyqxmd.com/read/28676955/a-novel-approach-for-acoustic-estimation-of-neck-fluid-volume-between-men-and-women
#8
Mehrnaz Shokrollahi, Frank Rudzicz, Daniel Vena, T Douglas Bradley, Azadeh Yadollahi
Obstructive Sleep apnea can be caused by fluid shift from the legs to the neck that narrows the upper airway (UA) and contributes to changes in tracheal sound. Tracheal sound is generated from the turbulent airflow in the pharynx and respiratory airways and it has recently been used to estimate increases in neck fluid volume (NFV). However, tracheal sound is also highly variable among people, especially across the sexes. In this paper, a novel method is proposed to select tracheal sound features towards estimating NFV in men and women separately...
July 5, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28670031/sciatic-neuropathy-findings-on-magnetic-resonance-neurography
#9
Paulo Moraes Agnollitto, Marcio Wen King Chu, Marcelo Novelino Simão, Marcello Henrique Nogueira-Barbosa
Injuries of the sciatic nerve are common causes of pain and limitation in the lower limbs. Due to its particular anatomy and its long course, the sciatic nerve is often involved in diseases of the pelvis or leg. In recent years, magnetic resonance neurography has become established as an important tool for the study of peripheral nerves and can be widely applied to the study of the sciatic nerve. Therefore, detailed knowledge of its anatomy and of the most prevalent diseases affecting it is essential to maximizing the accuracy of diagnostic imaging...
May 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28623990/incidence-of-venous-leg-ulcer-healing-and-recurrence-after-treatment-with-endovenous-laser-ablation
#10
William A Marston, Jason Crowner, Ana Kouri, Corey A Kalbaugh
BACKGROUND: The Effect of Surgery and Compression on Healing and Recurrence (ESCHAR) trial previously reported that patients with venous leg ulcers treated with saphenous stripping experienced a significantly reduced incidence of ulcer recurrence compared with patients treated with compression therapy. Most patients with leg ulcers and saphenous insufficiency are currently treated with endovenous thermal ablation (EVTA), but little information is available on the long-term results after EVTA in Clinical, Etiology, Anatomy, and Pathophysiology (CEAP) clinical class 5 (C5) and class 6 (C6) patients...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28608862/vascular-density-of-inferior-tibiofibular-joint-cadaveric-experimental-study
#11
Łukasz Warchoł, Izabela Mróz, Ewa Mizia, Jarosław Zawiliński, Paweł Depukat, Wojciech Kurzydło, Krzystof A Tomaszewski
The study was carried out on 50 human lower legs obtained during autopsies (KBET: 122.6120.315.2016). The anatomy of the joint was studied using classical anatomical description methods. Based also on literature we have reviewed the current knowledge on the inferior tibiofibular joint blood supply considering the important clinically aspect - vascular density. Authors of this paper postulate relatively low vascular density of the region described and potential worse condition for healing in case of injury or after surgical procedures performed...
2017: Folia Medica Cracoviensia
https://www.readbyqxmd.com/read/28596965/the-fibularis-peroneus-tertius-muscle-in-humans-a-meta-analysis-of-anatomical-studies-with-clinical-and-evolutionary-implications
#12
REVIEW
Kaissar Yammine, Mirela Erić
Being considered an exclusive human structure for a long time, fibularis tertius (FT) is believed to have a secondary function of foot dorsiflexion and eversion. This study is an attempt to approach the issue from an anatomical perspective. A systematic literature search identified 35 studies (7601 legs) which met the inclusion criteria. The weighted results of FT presence were as follows: an "adult cadaveric" frequency of 93.2% and a clinical frequency of 80%. The most common FT origin and insertion sites were the distal half of fibula and the base of the 5th metatarsal, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28558939/the-humboldt-penguin-spheniscus-humboldti-rete-tibiotarsale-a-supreme-biological-heat-exchanger
#13
Shaked Kazas, Moran Benelly, Saar Golan
Humans are unable to survive low temperature environments without custom designed clothing and support systems. In contrast, certain penguin species inhabit extremely cold climates without losing substantial energy to self-heating (emperor penguins ambient temperature plummets to as low as -45°C). Penguins accomplish this task by relying on distinct anatomical, physiological and behavioral adaptations. One such adaptation is a blood vessel heat exchanger called the 'Rete Tibiotarsale' - an intermingled network of arteries and veins found in penguins' legs...
July 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28528530/evaluation-of-ratite-skinning-force-in-order-to-fix-plant-and-mechanical-solutions
#14
Biagio Bianchi
The skin is the most requested product of ratite slaughter and 'first-rate' ratite's skin has a high economic market. Ostrich hide is tanned in South Africa and sold all over the world. Besides, the ostrich meat is considered a niche production in the marketplace, thus allowing for another pro t for the ostrich breeding. Theorical analysis of skinning process has been carried out, and an automatic measurement system has been designed to record the drawing-force on the animal's body during skinning tests. The aim of this study was to indentify the best animal position and provide values of drawing-force in order to design a speci c machine for ostrich skinning...
May 12, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/28490479/cystic-adventitial-disease-of-the-common-femoral-vein
#15
Emma Howard, Ruth Benson, Christopher Day, Brian Gwynn
We present the case of a 46-year-old commercial pilot with a history of unilateral leg swelling following a flight to Geneva. Although initial clinical examination suggested a deep vein thrombosis, the swelling only partially resolved with anticoagulation and further imaging suggested the presence of adventitial cystic disease (ACD). The patient underwent initial anticoagulation to allow any thrombus to be lysed, followed by excision of the ACD from the venous wall and venous reconstruction. Following the excision of the ACD, providing the patient remains asymptomatic and further imaging finds normal venous anatomy, we hope the patient will discontinue anticoagulation and return to flying...
May 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28485865/chronic-venous-insufficiency-a-review-of-pathophysiology-diagnosis-and-treatment
#16
Bettina Santler, Tobias Goerge
Chronic venous disease is a common disorder associated with a variety of symptoms in later disease stages but also with complications such as venous leg ulcer. This, in turn, has substantial socioeconomic effects and significantly impacts patients' quality of life. While there are a number of diagnostic procedures available, color-flow duplex ultrasound has become the gold standard. As regards therapeutic options, major advances have been made in recent decades. Today, there are alternatives to saphenofemoral ligation and stripping of the great saphenous vein, including endovenous thermal ablation techniques...
May 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28474976/iliac-artery-reconstruction-with-the-superficial-femoral-vein-after-major-oncologic-resection
#17
Leopoldo Fernández-Alonso, Sebastian Fernández-Alonso, Esther Martínez Aguilar
The large size of some retroperitoneal tumors and the complex anatomy of the retroperitoneal structures often require en bloc resection of contiguous organs and, sometimes, resection of critical vascular structures. Vascular reconstructive techniques allow reconstruction of major vascular structures, and autologous vein grafting is the preferred option. Although great saphenous vein can be used in select cases, other options must be explored in cases of caliber mismatch between saphenous vein and native vessel...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28447855/the-arterial-anatomy-of-the-deltoid-ligament-a-cadaveric-study
#18
Jacob A Haynes, Michelle Gosselin, Brian Cusworth, Jeremy McCormick, Jeffery Johnson, Sandra Klein
BACKGROUND: There is an increasing interest in the operative treatment of deltoid ligament disruption in the setting of chronic ankle instability. Understanding the vascular anatomy of the deltoid complex is beneficial when considering operative procedures on the medial ankle and may provide insight into factors that lead to chronic deltoid insufficiency and ankle instability. METHODS: Thirty-two pairs of cadaveric specimens (64 total legs) were amputated below the knee, and the tibialis anterior, tibialis posterior, and peroneal arteries were injected with India ink and Ward's blue latex...
April 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28442732/human-bipedal-instability-in-tree-canopy-environments-is-reduced-by-light-touch-fingertip-support
#19
L Johannsen, S R L Coward, G R Martin, A M Wing, A van Casteren, W I Sellers, A R Ennos, R H Crompton, S K S Thorpe
Whether tree canopy habitats played a sustained role in the ecology of ancestral bipedal hominins is unresolved. Some argue that arboreal bipedalism was prohibitively risky for hominins whose increasingly modern anatomy prevented them from gripping branches with their feet. Balancing on two legs is indeed challenging for humans under optimal conditions let alone in forest canopy, which is physically and visually highly dynamic. Here we quantify the impact of forest canopy characteristics on postural stability in humans...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28426682/automated-measurement-of-cattle-surface-temperature-and-its-correlation-with-rectal-temperature
#20
HongXiang Kou, YiQiang Zhao, Kang Ren, XiaoLi Chen, YongQiang Lu, Dong Wang
The body temperature of cattle varies regularly with both the reproductive cycle and disease status. Establishing an automatic method for monitoring body temperature may facilitate better management of reproduction and disease control in cattle. Here, we developed an Automatic Measurement System for Cattle's Surface Temperature (AMSCST) to measure the temperature of metatarsus by attaching a special shell designed to fit the anatomy of cattle's hind leg. Using AMSCST, the surface temperature (ST) on the metatarsus of the hind leg was successively measured during 24 hours a day with an interval of one hour in three tested seasons...
2017: PloS One
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