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Psoas major

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https://www.readbyqxmd.com/read/30338532/differential-expression-analysis-of-meat-tenderness-governing-genes-in-different-skeletal-muscles-of-bovine
#1
Mehmet Cevat Temizkan, Alev Gurol Bayraktaroglu, Tolga Kahraman
BACKGROUND: The aim of this study was to compare twelve different skeletal muscles of bovine (n=15) with each other in terms of tenderness and meat quality related gene expressions. Tenderness values evaluated by shear force and ANK1, CAPN1, CAST, HSPB1, HSPA1A gene expressions analyzed by using qPCR. RESULTS: ANK1 gene showed significant differences between tender and tough muscles (P < 0.001) and was found to be more closely related to meat quality than CAPN1...
October 18, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/30317377/pre-operative-psoas-major-measurement-compared-to-p-possum-as-a-prognostic-indicator-in-over-80s-undergoing-emergency-laparotomy
#2
Gregory Simpson, Alexander Parker, Philip Hopley, Jeremy Wilson, Conor Magee
INTRODUCTION: Emergency laparotomy in patients over the age of 80 is associated with high morbidity and mortality. Accurate risk prediction in this patient population is desirable. Sarcopenia has been shown to be associated with outcome in multiple clinical settings and the psoas major muscle as measured on computed tomography (CT) imaging has been demonstrated as a marker of sarcopenia. We aim to assess the use of psoas major measurement on pre-operative CT as a prognostic indicator in over-80s undergoing emergency laparotomy and compare this measurement to P-POSSUM...
October 13, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/30315350/anatomical-variations-of-the-principal-nutrient-pedicle-for-iliac-crest-graft-the-ilio-lumbar-artery
#3
G Sankaranarayanan, S S S N Rajasekhar
PURPOSE: The purpose of this study is to observe the origin, course, length, diameter and termination of the ilio-lumbar artery (ILA) and its variations in south Indian population. MATERIALS AND METHODS: The study was carried out in 34 sides in 19 cadavers (R-18, L-16) used for routine dissection for undergraduate students during the period of 2017-2018 in Department of Anatomy, JIPMER, Puducherry. On each side of the pelvis, the origin, length, diameter, course of the ILA and its relations to the surrounding anatomical structures was observed and documented...
October 12, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/30300467/meat-color-stability-of-ovine-muscles-is-related-to-glycolytic-dehydrogenase-activities
#4
Jianzeng Xin, Zheng Li, Xin Li, Meng Li, Guixia Li, Weili Rao, Dequan Zhang
The relationship between glycolytic dehydrogenase, including glyceraldehyde-3-phosphate dehydrogenase (GAPDH), lactic dehydrogenase (LDH), and meat color stability was studied in this study using ovine muscle. Three different ovine muscles, including M. longissimus lumborum (LL), M. semimembranosus (SM), and M. psoas major (PM), were obtained (n = 10, respectively), and then displayed for 7 days at 4 °C. The LL and SM muscle had higher surface redness, higher (P < 0.05) GAPDH activity, nicotinamide adenine dinucleotide (NADH) content, and lower (P < 0...
October 2018: Journal of Food Science
https://www.readbyqxmd.com/read/30270315/decreased-psoas-muscle-computed-tomography-value-predicts-poor-outcome-in-peripheral-artery-disease
#5
Takayuki Sugai, Tetsu Watanabe, Yoichiro Otaki, Jun Goto, Ken Watanabe, Taku Toshima, Tetsuya Takahashi, Miyuki Yokoyama, Harutoshi Tamura, Satoshi Nishiyama, Takanori Arimoto, Hiroki Takahashi, Tetsuro Shishido, Masafumi Watanabe
BACKGROUND: The prognosis of peripheral artery disease (PAD) and comorbid sarcopenia is poor. Some reports indicate that the computed tomography (CT) value of skeletal muscle, which reflects intramuscular fat deposition as well as skeletal muscle mass, is considered a marker of sarcopenia. However, it remains unclear if skeletal muscle area and CT value are associated with poor outcomes in patients with PAD. Methods and Results: Psoas muscle area and CT value were measured by manual trace at the level of the third lumbar vertebral body in 327 consecutive patients with PAD undergoing endovascular therapy (EVT)...
September 29, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30240525/analysis-of-mri-values-and-hemoglobin-and-total-protein-concentrations-of-cystic-ovarian-tumors
#6
Yoshikazu Tanaka, Go Nakai, Kenichiro Yamamura, Kazuhiro Yamamoto, Yoshifumi Narumi, Masahide Ohmichi
BACKGROUND: Endometrioma generally shows higher intracystic signal intensity (SI) than mucinous cystadenoma (MCA) on T1 -weighted imaging (T1 WI). Nonendometrioma-associated malignant ovarian epithelial tumors (nonendometrioma group) often show higher intracystic SI than benign tumors on T1 WI, while the converse is true for endometrioma and endometrioma-associated malignant tumors (endometrioma group). However, it is sometimes difficult to differentiate between hemorrhagic and mucinous content based on SI on T1 WI...
September 21, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/30237897/mechanical-texture-profile-of-hanwoo-muscles-as-a-function-of-heating-temperatures
#7
Ochirbat Chinzorig, Inho Hwang
Background: Cooking temperature and consequently doneness of beef muscles are most important for the palatability and consumer acceptability. Current study assessed the response of mechanical texture of Hanwoo muscles as a function of cooking temperature at different ageing days. Six muscles ( Psoas major (PM), Longissimus thoracics (LT), Gluteus medius (GM), Semimembranosus (SM), Biceps femoris (BF) and Triceps brachii (TB)) were collected from each 10 Hanwoo steers. Warner-Bratzler WB-shear force (WBSF) and texture profile analysis (TPA) texture profiles were determined after 3 or 21 days of chiller, and randomly assigned to four groups; non-cooked, cooked at 55, 70 or 85 °C...
2018: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/30222688/thigh-and-psoas-major-muscularity-and-its-relation-to-running-mechanics-in-sprinters
#8
Ryoichi Ema, Masanori Sakaguchi, Yasuo Kawakami
PURPOSE: We aimed to examine the morphological characteristics of the thigh and psoas major muscles in sprinters as well as interrelations among their muscularity, hip joint mechanics, and running speed during maximal running. METHODS: T1-weighted magnetic resonance images of the thigh and trunk were obtained from 15 male sprinters (best 100-m sprint times, 10.63-11.57 s) and 12 untrained men. From the magnetic resonance images, the volumes of each of the quadriceps femoris and hamstrings, total adductors, sartorius, tensor fasciae latae, gracilis, and psoas major were determined...
October 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/30219927/post-mortem-distribution-of-the-synthetic-cannabinoid-mdmb-chmica-and-its-metabolites-in-a-case-of-combined-drug-intoxication
#9
Franziska Gaunitz, Sabrina Lehmann, Andreas Thomas, Mario Thevis, Markus A Rothschild, Katja Mercer-Chalmers-Bender
This case report centres on the post-mortem distribution of the synthetic cannabinoid MDMB-CHMICA and its metabolites in the case of a 27-year-old man found dead after falling from the 24th floor of a high-rise building. Toxicological analysis of post-mortem samples confirmed, besides consumption of the synthetic cannabinoids MDMB-CHMICA (1.7 ng/mL femoral blood) and EG-018, the abuse of THC (9.3 ng/mL femoral blood), amphetamine (1050 ng/mL femoral blood), MDMA (275 ng/mL femoral blood), and cocaine. Regarding EG-018 and cocaine, only traces were detected in heart blood as well as in the brain (EG-018) and urine (cocaine), respectively, which is why no quantification was conducted in the femoral blood sample...
September 15, 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/30173713/determining-the-impact-of-sarcopenia-on-postoperative-complications-after-ventral-hernia-repair
#10
Leandra A Barnes, Alexander Y Li, Derrick C Wan, Arash Momeni
BACKGROUND: Postoperative complication following ventral hernia repair (VHR) is a major clinical and financial burden. Preoperative risk assessment is necessary to minimize adverse outcomes following VHR. This study examines the ability of an independent parameter to predict postoperative morbidity following VHR. METHODS: A retrospective analysis of 58 patients who underwent VHR by component separation between January 2009 and December 2013 was performed. Preoperative abdominal CT scans were analyzed to assess sarcopenia...
September 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/30139644/the-impact-of-preoperative-sarcopenia-defined-based-on-psoas-muscle-area-on-long-term-outcomes-of-heart-valve-surgery
#11
Homare Okamura, Naoyuki Kimura, Keisuke Tanno, Makiko Mieno, Harunobu Matsumoto, Atsushi Yamaguchi, Hideo Adachi
OBJECTIVE: Sarcopenia, age-related loss of muscle mass, is an objective and comprehensive marker of frailty. We aimed to clarify the influence of sarcopenia on the outcomes after heart valve surgery. METHODS: We retrospectively reviewed 1119 patients who underwent valve surgery via median sternotomy at our institution from June 2009 to December 2013. Patients aged <70 years, urgent/emergent cases, and patients without preoperative computed tomography of the abdomen were excluded...
July 27, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/30100455/label-free-proteomic-strategy-to-compare-the-proteome-differences-between-longissimus-lumborum-and-psoas-major-muscles-during-early-postmortem-periods
#12
Qianqian Yu, Xiaojing Tian, Lele Shao, Lei Xu, Ruitong Dai, Xingmin Li
Beef M. longissimus lumborum (LL) and M. psoas major (PM) muscles showed significant differences in various meat quality attributes (such as pH, lipid oxidation, and color stability). To better understand the underlying molecular variations between LL and PM, the proteome changes at early postmortem periods were investigated by comparative proteomic approach. A total of 504, 519, and 487 mutual proteins of each comparison (LL vs. PM at 1 h, 12 h, and 24 h, respectively) were successfully identified. Among these proteins, 238 proteins were differentially expressed in LL samples compared to PM ones...
December 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/30086279/impact-of-frailty-on-outcomes-in-acute-type-a-aortic-dissection
#13
Toshihito Gomibuchi, Tatsuichiro Seto, Masaki Komatsu, Haruki Tanaka, Hajime Ichimura, Takateru Yamamoto, Noburo Ohashi, Yuko Wada, Kenji Okada
BACKGROUND: Although frailty is used to predict morbidity and mortality, its effect on the outcomes of acute type A aortic dissection (ATAAD) has not been examined. Thus, the objective was to evaluate the role of frailty in predicting postoperative morbidity and mortality in ATAAD. METHODS: A retrospective analysis of a prospectively maintained database was undertaken for all patients (310) undergoing aortic surgery between May 2004 and March 2017. Frailty was evaluated using an index consisting of age >70 years, body mass index <18...
August 4, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/30082148/characteristics-and-prognostic-factors-of-parkinson-s-disease-patients-with-abnormal-postures-subjected-to-subthalamic-nucleus-deep-brain-stimulation
#14
Mihoko Okazaki, Tatsuya Sasaki, Takao Yasuhara, Masahiro Kameda, Takashi Agari, Ittetsu Kin, Ken Kuwahara, Jun Morimoto, Kyohei Kin, Michiari Umakoshi, Yousuke Tomita, Cesario V Borlongan, Isao Date
OBJECTIVE: In Parkinson's disease (PD), abnormal postures are often accompanied, which interfere with rehabilitation and subsequent functional recovery. This study investigated the relationship between clinical characteristics and improvement in abnormal postures of PD patients who received subthalamic nucleus deep brain stimulation (STN-DBS). METHODS: Seventy-four PD patients were included in this study. Clinical data were analyzed using the patients' functional status at pre- and post-STN-DBS, including anteflexion vs...
July 25, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/30074815/altered-walking-and-muscle-patterns-reduce-hip-contact-forces-in-individuals-with-symptomatic-cam-femoroacetabular-impingement
#15
K C Geoffrey Ng, Giulia Mantovani, Luca Modenese, Paul E Beaulé, Mario Lamontagne
BACKGROUND: Cam-type femoroacetabular impingement (FAI) is a causative factor for hip pain and early hip osteoarthritis. Although cam FAI can alter hip joint biomechanics, it is unclear what role muscle forces play and how they affect the hip joint loading. Purpose/Hypothesis: The purpose was to examine the muscle contributions and hip contact forces in individuals with symptomatic cam FAI during level walking. Patients with symptomatic cam FAI would demonstrate different muscle and hip contact forces during gait...
September 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/30065792/high-nutrient-intake-during-the-early-postnatal-period-accelerates-skeletal-muscle-fiber-growth-and-maturity-in-intrauterine-growth-restricted-pigs
#16
Liang Hu, Fei Han, Lin Chen, Xie Peng, Daiwen Chen, De Wu, Lianqiang Che, Keying Zhang
Background: Intrauterine growth-restricted (IUGR) neonates impair postnatal skeletal muscle growth. The aim of this study was to investigate whether high nutrient intake (HNI) during the suckling period could improve muscle growth and metabolic status of IUGR pigs. Methods: Twelve pairs of IUGR and normal birth weight (NBW) pigs (7 days old) were randomly assigned to adequate nutrient intake and HNI formula milk groups. Psoas major (PM) muscle sample was obtained after 21 days of rearing...
2018: Genes & Nutrition
https://www.readbyqxmd.com/read/30062393/ultrasound-guided-lumbar-plexus-block-using-three-different-techniques-a-comparison-of-ultrasound-image-quality
#17
Makoto Sato, Tomoki Sasakawa, Yuki Izumi, Yoshiko Onodera, Takayuki Kunisawa
PURPOSE: The purpose of this study was to compare the ultrasound image quality at three different transducer positions for ultrasound-guided lumbar plexus block (LPB). METHODS: This prospective comparative study included 30 patients who underwent total hip arthroplasty under general anesthesia in combination with LPB. Using the same ultrasound machine settings for each patient, a transverse view of the lumbar plexus (LP) at the L3-4 vertebral level was obtained with a convex transducer placed at three different positions: immediately lateral to the dorsal midline (medial position), almost 5 cm lateral to the dorsal midline (paravertebral position), and at the abdominal transverse flank (shamrock position)...
October 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/30059143/muscle-specific-mitochondrial-functionality-and-its-influence-on-fresh-beef-color-stability
#18
Richard A Mancini, Kaylin Belskie, Surendranath P Suman, Ranjith Ramanathan
Fresh beef color stability is a muscle-specific trait. Mitochondria remain biochemically active in postmortem beef muscles and influence meat color. Although several intrinsic factors governing muscle-specific beef color have been studied extensively, the role of mitochondrial functionality in muscle-dependent color stability is yet to be examined. Therefore, the objective of this study was to examine mitochondrial oxygen consumption rate (OCR), mitochondrial metmyoglobin reducing activity (MMRA), and instrumental color attributes in beef Longissimus lumborum (LL) and Psoas major (PM) during retail display...
August 2018: Journal of Food Science
https://www.readbyqxmd.com/read/30056622/the-use-of-whole-body-diffusion-weighted-post-mortem-magnetic-resonance-imaging-in-timing-of-perinatal-deaths
#19
Susan C Shelmerdine, Cheryl Main, John Ciaran Hutchinson, Dean Langan, Neil J Sebire, Owen J Arthurs
OBJECTIVES: Diffusion-weighted MRI provides information regarding body water movement following death, which may be an imaging marker of post-mortem interval (time since death; PMI) or maceration (degree of tissue degradation during intra-uterine retention) in perinatal deaths. Our aim was to evaluate the relationship between maceration, PMI and body organ apparent diffusion coefficient (ADC) values in a cohort of subjects across a wide gestational range. MATERIALS: Whole body post-mortem MRI with diffusion-weighted imaging (DWI) sequences were performed at 1...
July 28, 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/30053747/effect-of-muscle-type-and-co-pretreatment-combinations-on-the-colour-stability-protein-oxidation-and-shelf-life-of-vacuum-packaged-beef-steaks
#20
Lauren Anne Van Rooyen, Paul Allen, David I O'Connor
This study investigated the effects of CO-pretreatments on three bovine muscles: Psoas major (PM), Gluteus medius (GM) and Semitendinosus (ST) on colour stability and quality attributes under anaerobic conditions. Steaks were exposed to one of four pretreatments: 1% CO for 5 h, 5% CO for 5 h, 1% CO for 24 h, with 60% CO2, (balance N2 ) or untreated (control) and then vacuum packaged and displayed (28 days at 2 °C). CO pretreatments improved redness for colour labile muscles (PM and GM). The optimum CO pretreatment was 1% for 5 h as this induced surface redness while discolouring (a* = 12, C* = 16) by the use-by-date (28 days)...
November 2018: Meat Science
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