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Psoas major

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
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
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
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...
August 3, 2018: American Journal of Sports Medicine
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
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)...
July 30, 2018: Journal of Anesthesia
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...
July 30, 2018: Journal of Food Science
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
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
Caspar Müller, Elvira Esmeralda van Houwelingen, Frank Huygen
A 68-year-old man classified as III on the American Society of Anaesthesiologists (ASA) physical status classification system, with a high-grade papillary urothelial cell carcinoma of the left distal ureter, underwent open retroperitoneal distal ureterectomy followed by a ureteroneocystostomy with a vesico-psoas hitch. Postoperatively, the patient complained of left proximal lower limb weakness, severe pain and hypaesthesia of the ventral left thigh suggestive of femoral neuropathy. After excluding common causes for postsurgical pain, a surgical re-exploration was eventually performed during which the sutures used in the vesicopexy were removed, resulting in almost complete resolution of the symptoms...
July 25, 2018: BMJ Case Reports
Eileen Armstrong, Andres Iriarte, Paula Nicolini, Jorge De Los Santos, Javier Ithurralde, Alejandro Bielli, Gianni Bianchi, Francisco Peñagaricano
Transcriptome deep sequencing is a powerful tool for exploring the genetic architecture of complex traits. Gene expression patterns may explain a high degree of the observed phenotypic differences in histochemical and metabolic parameters related to meat quality among different muscles. In this study, we sequenced by RNA-Seq the whole transcriptome of nine lamb muscles: Semimembranosus (SM), Semitendinosus (ST), Cranial gluteobiceps, Gluteus medius (GM), Rectus femoris, Supraspinatus (SS), Longissimus lumborum (LL), Adductor and Psoas major...
2018: PloS One
Mehmet Nuri Konya, Ahmet Aslan, Sibel Bakbak
OBJECTIVES: This study aims to evaluate the effects of lesser trochanter (LT) and iliopsoas tendon on implant stability by using finite element analysis (FEA). MATERIALS AND METHODS: Effects of iliacus and psoas major muscles on hip joint was evaluated with inverse dynamics methods to calculate joint reaction and muscle forces. Intertrochanteric femur fracture was simulated according to AO (Arbeitsgemeinschaft für Osteosynthesefragen) 31A1 and 31A2 classifications in three-dimensional modelling software...
August 2018: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
Jie Liu, Wei Wang, Leilei Yuan, Ying Kan, Jigang Yang
A 22-year-old woman with acute lymphoblastic leukemia underwent FDG PET/CT to evaluate possible extramedullary disease. The patient experienced severe nausea and vomiting due to ongoing chemotherapy. The image demonstrated increased FDG uptake in multiple muscle groups, including intercostal, bilateral external oblique, internal oblique, transverse abdominal muscles, and psoas major. One week after the patient stopped vomiting, a repeated PET/CT showed much less muscle uptake.
July 13, 2018: Clinical Nuclear Medicine
Benjamin Pradere, Benoit Peyronnet, Zine-Eddine Khene, Romain Mathieu, Gregory Verhoest, Karim Bensalah
Controversies have been raised and still exist regarding several technical aspects of robot-assisted partial nephrectomy (RAPN). While the "perfect RAPN" has still to be determined, we aimed to report a simplified technique of RAPN in a step-by-step fashion and the perioperative outcomes of a single-center series. A simplified technique of RAPN was developed, refined and standardized over the past 7 years in an academic department of urology to make it as safe and as reproducible as possible, the main goal being to make it an "easy to learn" technique for fellows...
July 7, 2018: Journal of Robotic Surgery
Shiro Takamatsu, Kosuke Murakami, Hisamitsu Takaya, Takako Tobiume, Hidekatsu Nakai, Ayako Suzuki, Masaki Mandai, Noriomi Matsumura
Malignant psoas syndrome (MPS) is a rare and unique cancer-associated syndrome caused by the malignant involvement of the psoas major muscle, and is characterized by ipsilateral lumbosacral plexopathy and painful hip flexion. The pain in MPS is often distressing and intractable, and there is no established effective treatment approach. Herein, the present study reports on three cases of MPS associated with gynecological malignancies, wherein symptom improvement was observed following chemotherapy or radiotherapy...
July 2018: Molecular and Clinical Oncology
Tamara E Biffin, Melanie A Smith, Russell D Bush, Damian Collins, David L Hopkins
The effect of combining tenderstretching (TS; carcase suspension by the pelvic bone) with medium voltage electrical stimulation (ES) during processing on the tenderness of alpaca muscles was investigated. Thirty-six split alpaca carcases were randomly allocated to treatments in a 2 × 2 factorial arrangement (Achilles hung/TS and ES/non-ES). Samples were collected from the m. longissimus thoracis (LT), m. adductor femoris (AF), m. semimembranosus (SM), m. semitendinosus (ST) and m. psoas major (TL) at 24 h post slaughter for shear force, sarcomere length, collagen and myofibre (particle size) measurement...
November 2018: Meat Science
Eiichi Murakami, Daisuke Kurosawa, Toshimi Aizawa
OBJECTIVE The authors evaluated the outcomes of sacroiliac joint (SIJ) arthrodesis via an original anterior approach to the upper anterior surface of the SIJ in patients with a minimum of 5 years' follow-up. METHODS The authors performed anterior SIJ arthrodesis in 45 patients between 2001 and 2015. Of these patients, 27 (11 men and 16 women; mean age at surgery 49 [24-86] years) were followed up for a minimum of 5 years (average 113 months, range 61-157 months). In the 14 patients in the earlier period of this study, the authors used an anterior approach to expose the SIJ by separating the iliac muscle from the iliac bone and performed internal fixation...
June 22, 2018: Journal of Neurosurgery. Spine
Pamela Dragieva, Mihaela Zaharieva, Yordan Kozhuharov, Krasimir Markov, George S Stoyanov
Introduction The psoas muscle group is part of the posterior abdominal wall and is comprised of long muscles - major, minor, and tertius. Out of those, only the psoas major muscle is an obligatory muscle present in all individuals. The psoas minor muscle (PMM) originates as vertical fascicles inserted in the bodies of the last thoracic and first lumbar vertebrae and inserting into the iliopectineal eminence. The muscle provide flexion of the lumbar spine in a limited fashion. The aim of the study was to establish the frequency of the muscle in the Bulgarian population...
April 8, 2018: Curēus
H Noguchi, Y Miyasaka, K Kaku, K Kurihara, U Nakamura, Y Okabe, T Ohtsuka, K Ishigami, M Nakamura
BACKGROUND: Several studies have suggested that decreased muscle volume is associated with attenuation of immune function. The recipient's immune system is responsible for rejection of transplanted organs, which is a major cause of graft loss after transplantation. We aimed to determine whether muscle volume is correlated with graft survival after pancreas transplantation (PT). METHODS: Forty-three patients underwent PT for type 1 diabetes mellitus at our institution from August 2001 to May 2016...
June 2018: Transplantation Proceedings
Zhong-You Zeng, Zhao-Wan Xu, Deng-Wei He, Xing Zhao, Wei-Hu Ma, Wen-Fei Ni, Yong-Xing Song, Jian-Qiao Zhang, Wei Yu, Xiang-Qian Fang, Zhi-Jie Zhou, Nan-Jian Xu, Wen-Jian Huang, Zhi-Chao Hu, Ai-Lian Wu, Jian-Fei Ji, Jian-Fu Han, Shun-Wu Fan, Feng-Dong Zhao, Hui Jin, Fei Pei, Shi-Yang Fan, De-Xiu Sui
OBJECTIVE: To analyze the early complications and causes of oblique lateral interbody fusion, and put forward preventive measures. METHODS: There were 235 patients (79 males and 156 females) analyzed in our study from October 2014 to May 2017. The average age was 61.9 ± 0.21 years (from 32 to 83 years). Ninety-one cases were treated with oblique lateral interbody fusion (OLIF) alone (OLIF alone group) and 144 with OLIF combined with posterior pedicle screw fixation through the intermuscular space approach (OLIF combined group)...
May 2018: Orthopaedic Surgery
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