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Muscular rupture

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https://www.readbyqxmd.com/read/28810551/alterations-in-biomechanical-properties-and-microstructure-of-colon-wall-in-early-stage-experimental-colitis
#1
Xiaohui Gong, Xiaojuan Xu, Sisi Lin, Yu Cheng, Jianhua Tong, Yongyu Li
The aim of the current study was to investigate the effects of early-stage dextran sodium sulfate (DSS)-induced mouse colitis on the biomechanical properties and microstructure of colon walls. In the present study, colitis was induced in 8-week-old mice by the oral administration of DSS, and then 10 control and 10 experimental colitis samples were harvested. Uniaxial tensile tests were performed to measure the ultimate tensile strength and ultimate stretches of colon tissues. In addition, histological investigations were performed to characterize changes in the microstructure of the colon wall following treatment...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28704210/factor-xiii-deficiency-in-south-of-tunisia
#2
Ines Maaloul, Moez Medhaffer, Nacim Louhichi, Imen Krichen, Sofien Alibi, Sana Kmiha, Hajer Aloulou, Faiza Fakhfakh, Moez Elloumi, Choumous Kallel, Mongia Hachicha
: Factor XIII deficiency is a rare autosomal recessive disorder of hemostasis characterized by a plasmatic factor XIII level less than 1% in homozygote and bleeding as of the youth. The aim of the study is to describe the clinical features and the outcome of the patients and to determine molecular characteristics. A retrospective study, was conducted on seven patients with factor XIII deficiency in the department of hematology and pediatrics, Hedi Chaker Hospital, Sfax, Tunisia during the period of 14 years (2001-2014)...
September 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28683329/abdominal-wall-hydatid-cyst-a-review-a-literature-with-a-case-report
#3
Abdulwahid M Salih, F H Kakamad, Zuhair D Hammood, Bzhwen Yasin, Dilshad M Ahmed
INTRODUCTION: Hydatid cyst (HC) disease is a serious health problem in endemic areas. It is a parasitic infection that commonly involves liver and lungs while muscular HC is rare. HC of abdominal wall was reported only six times. We reported a 39-year-old male presented with HC of the right loin who was managed surgically with brief literature review. CONCLUSION: HC should be put in the differential diagnosis of the abdominal wall masses. Its pre-operative diagnosis is important to prevent rupture with subsequent anaphylaxis and recurrence...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28597034/ultrasound-visualization-of-an-underestimated-structure-the-bicipital-aponeurosis
#4
M Konschake, H Stofferin, B Moriggl
PURPOSE: We established a detailed sonographic approach to the bicipital aponeurosis (BA), because different pathologies of this, sometimes underestimated, structure are associated with vascular, neural and muscular lesions; emphasizing its further implementation in routine clinical examinations. METHODS: The BA of 100 volunteers, in sitting position with the elbow lying on a suitable table, was investigated. Patients were aged between 18 and 28 with no history of distal biceps injury...
June 8, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28495576/quantitative-assessment-of-fatty-infiltration-and-muscle-volume-of-the-rotator-cuff-muscles-using-3-dimensional-2-point-dixon-magnetic-resonance-imaging
#5
Noboru Matsumura, Sota Oguro, Shigeo Okuda, Masahiro Jinzaki, Morio Matsumoto, Masaya Nakamura, Takeo Nagura
BACKGROUND: In patients with rotator cuff tears, muscle degeneration is known to be a predictor of irreparable tears and poor outcomes after surgical repair. Fatty infiltration and volume of the whole muscles constituting the rotator cuff were quantitatively assessed using 3-dimensional 2-point Dixon magnetic resonance imaging. METHODS: Ten shoulders with a partial-thickness tear, 10 shoulders with an isolated supraspinatus tear, and 10 shoulders with a massive tear involving supraspinatus and infraspinatus were compared with 10 control shoulders after matching age and sex...
May 8, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28465195/extensor-indicis-proprius-tendon-transfer-using-shear-wave-elastography
#6
J Lamouille, C Müller, S Aubry, S Bensamoun, W Raffoul, S Durand
The means for judging optimal tension during tendon transfers are approximate and not very quantifiable. The purpose of this study was to demonstrate the feasibility of quantitatively assessing muscular mechanical properties intraoperatively using ultrasound elastography (shear wave elastography [SWE]) during extensor indicis proprius (EIP) transfer. We report two cases of EIP transfer for post-traumatic rupture of the extensor pollicis longus muscle. Ultrasound acquisitions measured the elasticity modulus of the EIP muscle at different stages: rest, active extension, active extension against resistance, EIP section, distal passive traction of the tendon, after tendon transfer at rest and then during active extension...
March 7, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28441166/minimally-invasive-organ-preserving-surgery-for-large-submucosal-tumors-in-the-abdominal-esophagus
#7
Eiji Kanehira, Takashi Tanida, Aya Kamei, Kodai Takahashi
BACKGROUND: Surgical resection of submucosal tumors (SMTs) in the abdominal esophagus is not standardized. Enucleation may be a minimally invasive option, whereas its oncological validity is not very clear. Moreover, how to treat the esophageal wall defect after enucleation and necessity of additional antireflux procedure are also undetermined. METHODS: In 13 patients with a SMT originating the abdominal esophagus laparoscopic enucleation was performed with preserving the integrity of submucosa...
June 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28359506/single-stage-hybrid-repair-of-right-aortic-arch-with-kommerell-s-diverticulum
#8
Cristian Rosu, Jean-François Dorval, Cherrie Zack Abraham, Raymond Cartier, Philippe Demers
Kommerell diverticulum is uncommon, and it carries risks of dissection or rupture. Hybrid aortic arch repair is being used increasingly for this pathology. We report the hybrid arch repair of Kommerell diverticulum in a 72-year-old woman known for muscular dystrophy and right aortic arch with aberrant left subclavian artery. Head-vessel debranching was performed through median sternotomy using a handmade, bifurcated, Dacron graft. Stent-grafting was performed from the ascending aorta to the proximal descending aorta...
April 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28306199/surgical-management-of-extensive-osteoradionecrosis-in-nasopharyngeal-carcinoma-patients-with-the-maxillary-swing-approach-and-free-muscular-flaps
#9
LETTER
N Y Choi, H J Kim, C H Baek
No abstract text is available yet for this article.
March 17, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28225888/local-inhibition-of-nitrergic-activity-in-tenotomized-rats-accelerates-muscle-regeneration-by-increasing-fiber-area-and-decreasing-central-core-lesions
#10
A D Seabra, S A S Moraes, E J O Batista, T B Garcia, M C Souza, K R M Oliveira, A M Herculano
Muscular atrophy is a progressive degeneration characterized by muscular proteolysis, loss of mass and decrease in fiber area. Tendon rupture induces muscular atrophy due to an intrinsic functional connection. Local inhibition of nitric oxide synthase (NOS) by Nω-nitro-L-arginine methyl ester (L-NAME) accelerates tendon histological recovery and induces functional improvement. Here we evaluate the effects of such local nitrergic inhibition on the pattern of soleus muscle regeneration after tenotomy. Adult male Wistar rats (240 to 280 g) were divided into four experimental groups: control (n=4), tenotomized (n=6), vehicle (n=6), and L-NAME (n=6)...
February 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28175973/spontaneous-intramuscular-hematomas-of-the-abdomen-and-pelvis-a-new-multilevel-algorithm-to-direct-transarterial-embolization-and-patient-management
#11
Milen Popov, Charalampos Sotiriadis, Frederique Gay, Anne-Marie Jouannic, Yann Lachenal, Steven D Hajdu, Francesco Doenz, Salah D Qanadli
PURPOSE: To report our experience using a multilevel patient management algorithm to direct transarterial embolization (TAE) in managing spontaneous intramuscular hematoma (SIMH). MATERIALS AND METHODS: From May 2006 to January 2014, twenty-seven patients with SIMH had been referred for TAE to our Radiology department. Clinical status and coagulation characteristics of the patients are analyzed. An algorithm integrating CT findings is suggested to manage SIMH. Patients were classified into three groups: Type I, SIMH with no active bleeding (AB); Type II, SIMH with AB and no muscular fascia rupture (MFR); and Type III, SIMH with MFR and AB...
April 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28120913/mechanisms-and-functions-of-nuclear-envelope-remodelling
#12
REVIEW
Rosemarie Ungricht, Ulrike Kutay
As a compartment border, the nuclear envelope (NE) needs to serve as both a protective membrane shell for the genome and a versatile communication interface between the nucleus and the cytoplasm. Despite its important structural role in sheltering the genome, the NE is a dynamic and highly adaptable boundary that changes composition during differentiation, deforms in response to mechanical challenges, can be repaired upon rupture and even rapidly disassembles and reforms during open mitosis. NE remodelling is fundamentally involved in cell growth, division and differentiation, and if perturbed can lead to devastating diseases such as muscular dystrophies or premature ageing...
April 2017: Nature Reviews. Molecular Cell Biology
https://www.readbyqxmd.com/read/28040091/reconstruction-of-patellar-tendon-following-implantation-of-proximal-tibia-megaprosthesis-for-the-treatment-of-post-traumatic-septic-bone-defects
#13
Giorgio M Calori, Emilio Luigi Mazza, Luca Vaienti, Simone Mazzola, Alessandra Colombo, Luca Gala, Massimiliano Colombo
INTRODUCTION: Latest advances made in joint replacement implants allows reconstruction of entire limbs. These special prostheses or megaprostheses were originally designed for the treatment of severe oncological bone loss. Nowadays, however, the indications and applications of these devices are expanding to other orthopaedic and trauma clinical conditions. Since 2008 we have implanted 152 megaprostheses in non-oncological conditions: 87 were implanted for post-traumatic failures aseptic/septic (represented by complex non-unions and critical size bone defects); 26 total femur, 52 distal femur and 9 proximal tibia...
December 2016: Injury
https://www.readbyqxmd.com/read/27908914/muscle-mania-the-quest-for-the-perfect-body
#14
Maira Hameed, Ajay Sahu, Maria B Johnson
We describe the case of a young man with repeated hospital presentations for a variety of symptoms related to excessive bodybuilding and associated behaviours. He presented to our department (radiology) with right arm pain and loss of function. Ultrasound showed complete triceps rupture, rare in young patients and multiple cystic areas within the muscles of the arm. MRI revealed these to be multiple proteinaceous lesions within the muscle bellies and the possibility of self-innoculation was raised by the reporting radiologist...
December 1, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27900711/lacertus-fibrosus-augmentation-for-distal-biceps-brachii-rupture-repair-surgical-technique
#15
M Fontana, A Trimarchi, A Colozza
BACKGROUND: Repair of distal biceps tendon ruptures has become widely accepted. Unfortunately, care of retracted-degenerated injuries remains a challenge for orthopedic surgeons. Complication rates appear to increase when surgery is performed in chronic cases compared to those operated acutely. Multiple techniques for chronic reconstruction with the use of grafts have been described. Recently Morrey, from the Mayo Clinic, proposed a direct anatomic repair of retracted distal biceps tendon ruptures in extreme flexion (60°-90°) to avoid grafting...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27789033/dynamic-biomechanical-characterization-of-colon-tissue-according-to-anatomical-factors
#16
D Massalou, C Masson, P Foti, S Afquir, P Baqué, S-V Berdah, T Bège
INTRODUCTION: The aim of this study was to determine the mechanical response of colonic specimens retrieved from the entire human colon and placed under dynamic solicitation until the tissue ruptured. MATERIAL AND METHODS: Specimens were taken from 20 refrigerated cadavers from different locations of the colonic frame (ascending, transverse, descending and sigmoid colon) in two different directions (longitudinal and circumferential), with or without muscle strips (taenia coli)...
December 8, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27752837/multi-modal-imaging-of-the-subscapularis-muscle
#17
REVIEW
Mona Alilet, Julien Behr, Jean-Philippe Nueffer, Benoit Barbier-Brion, Sébastien Aubry
The subscapularis (SSC) muscle is the most powerful of the rotator cuff muscles, and plays an important role in shoulder motion and stabilization. SSC tendon tear is quite uncommon, compared to the supraspinatus (SSP) tendon, and, most of the time, part of a large rupture of the rotator cuff. Various complementary imaging techniques can be used to obtain an accurate diagnosis of SSC tendon lesions, as well as their extension and muscular impact. Pre-operative diagnosis by imaging is a key issue, since a lesion of the SSC tendon impacts on treatment, surgical approach, and post-operative functional prognosis of rotator cuff injuries...
December 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/27663620/influence-of-intramuscular-fiber-orientation-on-the-achilles-tendon-curvature-using-three-dimensional-finite-element-modeling-of-contracting-skeletal-muscle
#18
Ryuta Kinugasa, Naoto Yamamura, Shantanu Sinha, Shu Takagi
Tendon curvature plays a key role in mechanical gain (amplifying the joint excursion relative to fiber length change) during joint motion, but the mechanism remains unresolved. A three-dimensional finite element (FE) model was used to investigate the influence of intramuscular fiber orientation upon the curvature pattern of the Achilles tendon during active muscular contraction. Two simulation models, with fiber pennation angles of θ = 25° and 47° were tested for the gastrocnemius and soleus muscles. A smaller pennation angle (25°) of the soleus muscle fibers was accompanied by a large change in curvature whereas a larger pennation angle (47°) of the soleus muscle was accompanied by small effects...
October 3, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27547541/reconstitution-of-the-complete-rupture-in-musculotendinous-junction-using-skeletal-muscle-derived-multipotent-stem-cell-sheet-pellets-as-a-bio-bond
#19
Hiroyuki Hashimoto, Tetsuro Tamaki, Maki Hirata, Yoshiyasu Uchiyama, Masato Sato, Joji Mochida
Background. Significant and/or complete rupture in the musculotendinous junction (MTJ) is a challenging lesion to treat because of the lack of reliable suture methods. Skeletal muscle-derived multipotent stem cell (Sk-MSC) sheet-pellets, which are able to reconstitute peripheral nerve and muscular/vascular tissues with robust connective tissue networks, have been applied as a "bio-bond". Methods. Sk-MSC sheet-pellets, derived from GFP transgenic-mice after 7 days of expansion culture, were detached with EDTA to maintain cell-cell connections...
2016: PeerJ
https://www.readbyqxmd.com/read/27462188/traumatic-gallbladder-rupture-treated-by-laparoscopic-cholecystectomy
#20
Noriyuki Egawa, Junji Ueda, Masatsugu Hiraki, Takao Ide, Satoshi Inoue, Yuichiro Sakamoto, Hirokazu Noshiro
Gallbladder rupture due to blunt abdominal injury is rare. There are few reports of traumatic gallbladder injury, and it is commonly associated with other concomitant visceral injuries. Therefore, it is difficult to diagnose traumatic gallbladder rupture preoperatively when it is caused by blunt abdominal injury. We report a patient who underwent laparoscopic cholecystectomy after an exact preoperative diagnosis of traumatic gallbladder rupture. A 43-year-old man was admitted to our hospital due to blunt abdominal trauma...
May 2016: Case Reports in Gastroenterology
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