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Muscle transfer

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https://www.readbyqxmd.com/read/28089077/the-changing-pattern-of-uterine-contractions-before-and-after-fresh-embryo-transfer-and-its-relation-to-clinical-outcome
#1
Cathy Hoi Sze Chung, Alice Wai Yee Wong, Carol Pui Shan Chan, Sotirios H Saravelos, Grace Wing Shan Kong, Lai Ping Cheung, Jacqueline Pui Wah Chung, Tin Chiu Li
In this prospective cohort study of 286 women undergoing fresh embryo transfer after IVF, uterine contraction frequency and direction were measured before (-5 min), 5 min after (+5 min) and 60 min after (+60 min) embryo transfer. Mean ± SD uterine contraction frequency at -5 min was 1.8 ± 1.1 contractions per min, increasing significantly (P < 0.05) to 2.0 ± 1.1 at +5 min, and returning back to baseline 1.8 ± 1.1 at +60 min. At -5 min, the proportion of women the with retrograde, antegrade, indeterminate direction and absent contractions were 33%, 44%, 17% and 6%; at +5 min, 40%, 42%, 13% and 5%, and at +60 min, 42%, 38%, 14% and 6%...
December 23, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28086945/complete-deltoid-resection-in-early-childhood-without-muscle-transfer-results-in-normal-shoulder-function-at-long-term-follow-up-a-case-report
#2
Annie Arteau, Franziska Seeli, Bruno Fuchs
BACKGROUND: Musculoskeletal tumors involving the deltoid muscle and necessitating its complete resection are rare. The function after complete deltoid resection is reported to be limited, and several authors consider muscle transfer to improve shoulder motion. However, it still remains unclear whether such transfer adds function. To the best of our knowledge, all reports on complete deltoid resection refer to adult patients, and it is unknown what function results after deltoid resection in childhood...
January 14, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28074127/transfer-of-%C3%AE-hydroxy-%C3%AE-methylbutyrate-from-sows-to-their-offspring-and-its-impact-on-muscle-fiber-type-transformation-and-performance-in-pigs
#3
Haifeng Wan, Jiatao Zhu, Caimei Wu, Pan Zhou, Yong Shen, Yan Lin, Shengyu Xu, Lianqiang Che, Bin Feng, Jian Li, Zhengfeng Fang, De Wu
BACKGROUND: Previous studies suggested that supplementation of lactating sows with β-hydroxy-β-methylbutyrate (HMB) could improve the performance of weaning pigs, but there were little information in the muscle fiber type transformation of the offspring and the subsequent performance in pigs from weaning through finishing in response to maternal HMB consumption. The purpose of this study was to determine the effect of supplementing lactating sows with HMB on skeletal muscle fiber type transformation and growth of the offspring during d 28 and 180 after birth...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28072735/localized-type-volkmann-s-contracture-treated-with-tendon-transfer-and-tension-reduced-early-mobilization-a-case-report
#4
Yoshio Kaji, Osamu Nakamura, Konosuke Yamaguchi, Sachiko Tobiume, Tetsuji Yamamoto
RATIONALE: For localized type Volkmann's contracture, in which degeneration of the flexor digitorum profundus (FDP) muscle to one or two fingers and restriction of finger extension occur, dissection or excision of the affected muscle is usually recommended. However, these surgical procedures need relatively wide exposure of the muscle, because the FDP muscle is in the deep portion of the forearm. PATIENT CONCERNS: In this report, the case of a 35-year-old woman with localized type Volkmann's contracture is presented...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28067972/single-innervated-segmented-vastus-lateralis-for-midfacial-reanimation-during-radical-parotidectomy
#5
Lauren Sh Chong, Timothy J Eviston, Bruce Ashford, Ardalan Ebrahami, Jonathan R Clark
BACKGROUND: Innervated free muscle transfer using the gracilis muscle or temporalis myoplasty has been successfully utilized for facial reanimation in chronic facial palsy. These techniques are less suited to immediate facial reconstruction in the setting of radical parotidectomy, in which the complexity of the defect, patient age, postoperative radiotherapy, and limited life expectancy pose particular challenges. METHODS: We present a novel description of the use of a chimeric anterolateral thigh (ALT) flap and innervated vastus lateralis to achieve midface static suspension and dynamic reanimation in the setting of radical parotidectomy...
January 9, 2017: Head & Neck
https://www.readbyqxmd.com/read/28060254/quantitative-magnetic-resonance-imaging-of-skeletal-muscle-disease
#6
Bruce M Damon, Ke Li, Richard D Dortch, E Brian Welch, Jane H Park, Amanda K W Buck, Theodore F Towse, Mark D Does, Daniel F Gochberg, Nathan D Bryant
Quantitative magnetic resonance imaging (qMRI) describes the development and use of MRI to quantify physical, chemical, and/or biological properties of living systems. Neuromuscular diseases often exhibit a temporally varying, spatially heterogeneous, and multi-faceted pathology. The goal of this protocol is to characterize this pathology using qMRI methods. The MRI acquisition protocol begins with localizer images (used to locate the position of the body and tissue of interest within the MRI system), quality control measurements of relevant magnetic field distributions, and structural imaging for general anatomical characterization...
December 18, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28058213/face-transplantation-anesthetic-challenges
#7
REVIEW
Aparna Dalal
Face transplantation is a complex vascular composite allotransplantation (VCA) surgery. It involves multiple types of tissue, such as bone, muscles, blood vessels, nerves to be transferred from the donor to the recipient as one unit. VCAs were added to the definition of organs covered by the Organ Procurement and Transplantation Network Final Rule and National Organ Transplant Act. Prior to harvest of the face from the donor, a tracheostomy is usually performed. The osteotomies and dissection of the midface bony skeleton may involve severe hemorrhagic blood loss often requiring transfusion of blood products...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28052417/c8-cross-transfer-for-the-treatment-of-caudal-brachial-plexus-avulsion-in-three-dogs
#8
Pierre Moissonnier, Claude Carozzo, Jean-Laurent Thibaut, Catherine Escriou, Antoine Hidalgo, Stéphane Blot
OBJECTIVE: To evaluate the cervical nerve 8 cross-transfer technique (C8CT) as a part of surgical treatment of caudal brachial plexus avulsion (BPA) in the dog. STUDY DESIGN: Case series. ANIMALS: Client-owned dogs suspected to have caudal BPA based on neurological examination and electrophysiological testing (n = 3). METHODS: The distal stump of the surgically transected contralateral C8 ventral branch (donor) was bridged to the proximal stump of the avulsed C8 ventral branch (recipient) and secured with 9-0 polypropylene suture under an operating microscope...
January 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28050201/neck-dissection-technique-commonality-and-variance-a-survey-on-neck-dissection-technique-preferences-among-head-and-neck-oncologic-surgeons-in-the-american-head-and-neck-society
#9
Shirin M Hemmat, Steven J Wang, William R Ryan
Introduction Neck dissection (ND) technique preferences are not well reported. Objective The objective of this study is to educate practitioners and trainees about surgical technique commonality and variance used by head and neck oncologic surgeons when performing a ND. Methods Online survey of surgeon members of the American Head and Neck Society (AHNS). Survey investigated respondents' demographic information, degree of surgical experience, ND technique preferences. Results In our study, 283 out of 1,010 (28%) AHNS surgeon members with a mean age of 50...
January 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28048092/su-g-iep1-10-permeability-evaluation-of-interstitial-cystitis-by-dce-mri-of-the-bladder
#10
D Wu, J Vo, J North, R Towner, R Hurst
PURPOSE: Interstitial cystitis (IC) is a chronic and painful condition that can lead to bladder pain syndrome (BPS) in women. IC and BPS have been known to manifest after physiological changes after giving birth. In this project, we pioneered and advanced a new clinical utility using DCE-MRI to assess bladder permeability. At first IC/BPS perfusion methods were with ratio signal evaluation, we now incorporate pharmacokinetics techniques to allow for further assessment. METHODS: In this pilot study, female patients and volunteers (IC=4, Control=3) underwent imaging with a clinical GE 3T 750W MRI system...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040337/bioaccumulation-of-short-chain-chlorinated-paraffins-in-a-typical-freshwater-food-web-contaminated-by-e-waste-in-south-china-bioaccumulation-factors-tissue-distribution-and-trophic-transfer
#11
Runxia Sun, Xiaojun Luo, Bin Tang, Laiguo Chen, Yu Liu, Bixian Mai
Short chain chlorinated paraffins (SCCPs) are under review for inclusion into the Stockholm Convention on Persistent Organic Pollutants. However, limited information is available on their bioaccumulation and biomagnification in ecosystems, which is hindering evaluation of their ecological and health risks. In the present study, wild aquatic organisms (fish and invertebrates), water, and sediment collected from an enclosed freshwater pond contaminated by electronic waste (e-waste) were analyzed to investigate the bioaccumulation, distribution, and trophic transfer of SCCPs in the aquatic ecosystem...
December 28, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/28039026/unraveling-proteome-changes-of-holstein-beef-m-semitendinosus-and-its-relationship-to-meat-discoloration-during-post-mortem-storage-analyzed-by-label-free-mass-spectrometry
#12
Qianqian Yu, Wei Wu, Xiaojing Tian, Man Hou, Ruitong Dai, Xingmin Li
: Label-free proteomics was applied to characterize the effect of post-mortem storage time (0, 4, and 9days at 4°C±1°C) on the proteome changes of M. semitendinosus (SM) in Holstein cattle, and correlations between differentially abundant proteins and meat color traits were investigated. The redness (a*) value decreased significantly (P<0.05) during post-mortem storage, meanwhile, the relative proportion of metmyoglobin increased significantly (P<0.05) from 16.99% at day 0 to 40...
December 28, 2016: Journal of Proteomics
https://www.readbyqxmd.com/read/28034558/bioaccumulation-and-trophic-transfer-of-pharmaceuticals-in-food-webs-from-a-large-freshwater-lake
#13
Zhengxin Xie, Guanghua Lu, Zhenhua Yan, Jianchao Liu, Peifang Wang, Yonghua Wang
Pharmaceuticals are increasingly detected in environmental matrices, but information on their trophic transfer in aquatic food webs is insufficient. This study investigated the bioaccumulation and trophic transfer of 23 pharmaceuticals in Taihu Lake, China. Pharmaceutical concentrations were analyzed in surface water, sediments and 14 aquatic species, including plankton, invertebrates and fish collected from the lake. The median concentrations of the detected pharmaceuticals ranged from not detected (ND) to 49 ng/L in water, ND to 49 ng/g dry weight (dw) in sediments, and from ND to 130 ng/g dw in biota...
December 26, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/28032001/sensory-reanimation-of-the-hand-by-transfer-of-the-superficial-branch-of-the-radial-nerve-to-the-median-and-ulnar-nerve
#14
Thilo L Schenck, Shenyu Lin, Jessica K Stewart, Konstantin C Koban, Michaela Aichler, Farid Rezaeian, Riccardo E Giunta
BACKGROUND: It remains a surgical challenge to treat high-grade nerve injuries of the upper extremity. Extra-anatomic reconstructions through the transfer of peripheral nerves have gained clinical importance over the past decades. This contribution outlines the anatomic and histomorphometric basis for the transfer of the superficial branch of the radial nerve (SBRN) to the median nerve (MN) and the superficial branch of the ulnar nerve (SBUN). METHODS: The SBRN, MN, and SBUN were identified in 15 specimens and the nerve transfer performed...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031243/caenorhabditis-elegans-male-copulation-circuitry-incorporates-sex-shared-defecation-components-to-promote-intromission-and-sperm-transfer
#15
Brigitte LeBoeuf, L Rene Garcia
Sexual dimorphism can be achieved using a variety of mechanisms, including sex-specific circuits and sex-specific function of shared circuits, though how these work together to produce sexually dimorphic behaviors require further investigation. Here, we explore how components of the sex-shared defecation circuitry are incorporated into the sex-specific male mating circuitry in Caenorhabditis elegans to produce successful copulation. Using behavioral studies, calcium imaging, and genetic manipulation, we show that aspects of the defecation system are co-opted by the male copulatory circuitry to facilitate intromission and ejaculation...
December 27, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28029602/use-of-both-antegrade-and-retrograde-internal-mammary-vessels-in-the-bipedicled-deep-inferior-epigastric-perforator-flap-for-unilateral-breast-reconstruction
#16
Jonatan Hernandez Rosa, Rami D Sherif, Philip J Torina, Marco A Harmaty
BACKGROUND: Autologous abdominal tissue transfer is a well-established method of breast reconstruction. The deep inferior epigastric perforator (DIEP) flap has the additional benefit of minimal donor site morbidity as it spares the muscle and fascia. Conventional DIEP flaps may not provide adequate volume in cases where the patient is thin, has midline abdominal scars, and/or has a large volume of tissue to replace. One solution is to use a bipedicled DIEP flap, incorporating all the available abdominal tissue...
September 20, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28028704/assessment-of-mercury-exposure-and-maternal-foetal-transfer-in-miniopterus-schreibersii-chiroptera-miniopteridae-from-southeastern-iberian-peninsula
#17
Fulgencio Lisón, Silvia Espín, Bárbara Aroca, José F Calvo, Antonio J García-Fernández
Mercury (Hg) is a highly toxic and widely distributed metal that is bioaccumulated in insectivorous mammals and may cause adverse effects on the reproductive system. Bats are considered excellent Hg bioindicators due to their wide distribution, life span, trophic position, metabolic rate and food intake. However, few studies have analysed Hg residues in bats, and to the best of our knowledge, no studies have been made in the Iberian Peninsula. The main aim of this study was to undertake the first ever assessment of Hg exposure in Schreiber's bent-winged bats inhabiting a natural cave in the southeast of Spain...
December 27, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28027238/free-functioning-gracilis-muscle-transfer-for-elbow-flexion-reconstruction-after-traumatic-adult-brachial-pan-plexus-injury-where-is-the-optimal-distal-tendon-attachment-for-elbow-flexion
#18
Andrés A Maldonado, Santiago Romero-Brufau, Michelle F Kircher, Robert J Spinner, Allen T Bishop, Alexander Y Shin
BACKGROUND: Reconstruction after pan-plexus root avulsions often includes gracilis free functioning muscle transfer. For elbow flexion reconstruction, the free functioning muscle transfer distal tendon is inserted into the biceps tendon or more distally (i.e., flexor digitorum profundus/flexor pollicis longus tendons) for combined elbow and finger flexion; the theoretical drawback of the latter approach is weaker elbow flexion. The authors compared elbow flexion strength with a biceps tendon versus a flexor digitorum profundus/flexor pollicis longus tendon attachment to determine which insertion point resulted in better elbow flexion...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28027234/selective-nerve-root-transection-in-the-rat-produces-permanent-partial-nerve-injury-models-with-variable-levels-of-functional-deficit
#19
Louis H Poppler, Lauren M Schellhardt, Daniel A Hunter, Ying Yan, Susan E Mackinnon, Matthew D Wood, Amy M Moore
BACKGROUND: The goal of this study was to develop a partial, nonregenerative nerve injury model in a rat that results in permanently reduced motoneuron numbers and function. This model could serve as a platform for the study of therapeutics, such as a reverse end-to-side nerve transfer (i.e., supercharge). The authors hypothesized that transection of one or more of the L4 to L6 nerve roots supplying the sciatic nerve would cause a permanent reduction in muscle force. METHODS: Rats were randomized into five groups that underwent variations of nerve root transections or sham injury...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28019709/exogenous-induction-of-unphosphorylated-pten-reduces-tgf%C3%AE-induced-extracellular-matrix-expressions-in-lung-fibroblasts
#20
Motohiro Kimura, Naozumi Hashimoto, Masaaki Kusunose, Daisuke Aoyama, Koji Sakamoto, Shinichi Miyazaki, Akira Ando, Norihiro Omote, Kazuyoshi Imaizumi, Tsutomu Kawabe, Yoshinori Hasegawa
Transforming growth factor β (TGFβ) plays an important role in regulating aberrant extracellular matrix (ECM) production from alveolar/epithelial cells (AECs) and fibroblasts in pulmonary fibrosis. Although the tumor suppressor gene phosphatase and tensin homologue deleted from chromosome 10 (PTEN) can negatively control many TGFβ-activated signaling pathways via the phosphatase activity, hyperactivation of the TGFβ-related signaling pathways is often observed in fibrosis. Loss of PTEN expression might cause TGFβ-induced ECM production...
December 26, 2016: Wound Repair and Regeneration
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