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Psoas major

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https://read.qxmd.com/read/30783860/isolation-of-viable-toxoplasma-gondii-from-organs-and-brazilian-commercial-meat-cuts-of-experimentally-infected-pigs
#1
Bruna Farias Alves, Solange Oliveira, Herbert Sousa Soares, Hilda Fátima Jesus Pena, Carlos Adam Conte-Junior, Solange Maria Gennari
The present study evaluated the distribution and viability of Toxoplasma gondii tissue cysts in the organs and Brazilian commercial cuts of experimentally infected pigs. The pigs were infected with 3 × 103 oocysts of the T. gondii isolate TgCkBr57 (Type BrII). Mouse bioassays were performed on the brain, retina, tongue, diaphragm, and heart as well as the following muscle cuts: loin (longissimus), coppa (longissimus, spinalis dorsi, rhomboideus), tenderloin (psoas major), outside flat (biceps femoris), topside (semimembranosus), and top sirloin (gluteus medius)...
February 19, 2019: Parasitology Research
https://read.qxmd.com/read/30744374/muscle-specific-color-stability-in-fresh-beef-from-grain-finished-bos-indicus-cattle
#2
Ana Paula A A Salim, Surendranath P Suman, Anna C V C S Canto, Bruno R C Costa-Lima, Fernanda M Viana, Maria Lucia G Monteiro, Teofilo J P Silva, Carlos A Conte-Junior
Objective: To investigate the impact of muscle source on color and oxidative stabilities of beef LL and PM muscles from grain-fed Bos indicus cattle in Brazil. Methods: The Longissimus lumborum (LL) and psoas major (PM) muscles were obtained 24 h post-mortem from eight (n = 8) Nellore bull carcasses, fabricated into 1.5-cm steaks, aerobically packaged, and stored at 4°C for nine days. Steaks were analyzed for myoglobin concentration, pH, instrumental color, metmyoglobin reducing activity (MRA) and lipid oxidation...
November 28, 2018: Asian-Australasian Journal of Animal Sciences
https://read.qxmd.com/read/30691787/can-sarcopenia-quantified-by-computed-tomography-scan-predict-adverse-outcomes-in-emergency-general-surgery
#3
Mohammad Hamidi, Cathy Ho, Muhammad Zeeshan, Terence O'Keeffe, Ali Hamza, Narong Kulvatunyou, Faisal Jehan, Bellal Joseph
BACKGROUND: Sarcopenia (a decline of skeletal muscle mass) has been identified as a predictor of poor postoperative outcomes. The impact of sarcopenia in emergency general surgery (EGS) remains undetermined. The aim of this study was to evaluate the association between sarcopenia and outcomes after EGS. METHODS: A 3-y (2012-15) review of all EGS patients aged ≥45 y was presented to our institution. Patients who underwent computer tomography-abdomen were included...
March 2019: Journal of Surgical Research
https://read.qxmd.com/read/30688314/targeting-gray-rami-communicantes-in-selective-chemical-lumbar-sympathectomy
#4
Wen-Hui Wang, Long Zhang, Guo-Xiang Dong, Jun Zhao, Xuan Li
Chemical lumbar sympathectomy (CLS) is a commonly used, minimally invasive procedure for the treatment of conditions including ischemic diseases of the lower extremities, hyperhidrosis, etc. It is commonly practiced to position the puncture needle tip in front of the anterior fascia of the psoas major muscle and inject the inactivating agent around the sympathetic trunk, which is defined as conventional CLS. Although relatively rare, ureteropelvic damage is the most frequently reported complication of conventional CLS and can cause serious harm to patients...
January 10, 2019: Journal of Visualized Experiments: JoVE
https://read.qxmd.com/read/30684934/diffusion-tensor-tractography-of-the-lumbar-nerves-before-a-direct-lateral-transpsoas-approach-to-treat-degenerative-lumbar-scoliosis
#5
Yawara Eguchi, Masaki Norimoto, Munetaka Suzuki, Ryota Haga, Hajime Yamanaka, Hiroshi Tamai, Tatsuya Kobayashi, Sumihisa Orita, Miyako Suzuki, Kazuhide Inage, Hirohito Kanamoto, Koki Abe, Tomotaka Umimura, Takashi Sato, Yasuchika Aoki, Atsuya Watanabe, Masao Koda, Takeo Furuya, Junichi Nakamura, Tsutomu Akazawa, Kazuhisa Takahashi, Seiji Ohtori
OBJECTIVEThe purpose of this study was to determine the relationship between vertebral bodies, psoas major morphology, and the course of lumbar nerve tracts using diffusion tensor imaging (DTI) before lateral interbody fusion (LIF) to treat spinal deformities.METHODSDTI findings in a group of 12 patients (all women, mean age 74.3 years) with degenerative lumbar scoliosis (DLS) were compared with those obtained in a matched control group of 10 patients (all women, mean age 69.8 years) with low-back pain but without scoliosis...
January 25, 2019: Journal of Neurosurgery. Spine
https://read.qxmd.com/read/30675123/the-relationship-between-muscle-fiber-composition-and-pork-taste-traits-assessed-by-electronic-tongue-system
#6
Young-Hwa Hwang, Ishamri Ismail, Seon-Tea Joo
To investigate relationships of electronic taste-traits with muscle fiber type composition (FTC) and contents of nucleotides, porcine longissimus lumborum (LL), psoas major (PM), and infra spinam (IS) muscles were obtained from eight castrated LYD pigs. FTC and taste-traits in these three porcine muscles were measured by histochemical analysis and electronic tongue system, respectively. IS had significantly higher proportion of type I fibers while LL had significantly higher proportion of type IIB than other muscles (p<0...
December 2018: Korean Journal for Food Science of Animal Resources
https://read.qxmd.com/read/30636981/postmortem-distribution-of-mepirapim-and-acetyl-fentanyl-in-biological-fluid-and-solid-tissue-specimens-measured-by-the-standard-addition-method
#7
Akira Mochizuki, Hiroko Nakazawa, Noboru Adachi, Kenichi Takekawa, Hideki Shojo
Purpose: Mepirapim is a new synthetic cannabinoid. We previously reported that the concentrations of unchanged mepirapim in whole blood and urine were much higher than those of other synthetic cannabinoids. To determine the postmortem distribution of mepirapim and acetyl fentanyl in the deceased individual, we established a standard addition method for detailed analysis by liquid chromatography-mass spectrometry (LC-MS) for quantification of these drugs. Methods: The LC-MS method was fully validated for linearity, extraction recovery, matrix effect and repeatability...
2019: Forensic Toxicology
https://read.qxmd.com/read/30632348/chondroblastoma-of-the-lumbar-vertebra
#8
Tahir Mehmood Shakir, Wenfei Li, Huiping Wang, Chen Niu, Ming Zhang
Chondroblastoma is an uncommon and benign bone tumour. No more than 10 cases of lumbar chondroblastoma have been reported in the past 20 years. To describe the clinical presentations and radiological features of a rare case of chondroblastoma of the lumbar spine, this study reports one case involving the third lumbar vertebrae. A 22-year-old female presented with left lower back pain and numbness. CT revealed tumour infiltration of the third lumbar vertebrae and left psoas major displacement, which was found to be a chondroblastoma by surgery...
October 2018: Journal of Ayub Medical College, Abbottabad: JAMC
https://read.qxmd.com/read/30599454/persistent-viremia-and-presence-of-hepatitis-e-virus-rna-in-pig-muscle-meat-after-experimental-co-infection-with-porcine-reproductive-and-respiratory-syndrome-virus
#9
Morgane Salines, Antonin Demange, Gaël Stéphant, Patricia Renson, Olivier Bourry, Mathieu Andraud, Nicolas Rose, Nicole Pavio
Although hepatitis E virus (HEV) transmission has been demonstrated after consumption of products containing infected pig liver, human cases can be also associated with other pig meat products, such as sausages. Data on HEV viremia and dissemination in muscle meat of infected animals are still sparse, especially during long-term infection. Previously, we have shown that experimental co-infection of pigs with HEV and porcine reproductive and respiratory syndrome virus (PRRSV) lengthens HEV infection up to 49 days and increases the likelihood of the presence of HEV RNA in the liver of the pig at a later stage of infection...
December 26, 2018: International Journal of Food Microbiology
https://read.qxmd.com/read/30576813/anatomic-relationship-between-ureter-and-oblique-lateral-interbody-fusion-olif-access-analysis-based-on-contrast-enhanced-computed-tomographic-urography
#10
Liang Xiao, Ziang Xu, Chen Liu, Quanlai Zhao, Yu Zhang, Hongguang Xu
OBJECTIVE: To investigate the anatomic relationship between ureter and OLIF access by using contrast-enhanced computed tomography urography (CTU). METHODS: The CTU data of 234 patients were retrospectively analyzed. The angle of inclination (∠α) of bilateral ureters, the angle between bilateral surgical accesses (∠β), the insertion angle of surgical access (∠γ), and the angle between ureter and outer margin of ipsilateral surgical access (∠ε) at L2/3, L3/4, and L4/5 levels were measured and analyzed...
December 18, 2018: World Neurosurgery
https://read.qxmd.com/read/30555016/arthroscopic-techniques-for-treating-ilio-psoas-tendinopathy-after-hip-arthroplasty
#11
REVIEW
Olivier May
Impingement of hip arthroplasty components on soft tissues may adversely affect outcomes. An example is impingement of the cup on the ilio-psoas tendon, which has been reported in 0.4% to 8.3% of patients. Contributors to ilio-psoas tendon impingement (IPTI) can be categorised as anatomic (hypoplastic anterior wall), technical (inadequate anteversion and/or lower inclination, oversized cup, cement in contact with the tendon, and intra-muscular screw), and prosthetic (e.g., aggressive cup design, large-diameter head, resurfacing, and collared femoral prosthesis)...
February 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://read.qxmd.com/read/30534588/impact-of-heart-transplantation-on-the-recovery-of-peripheral-and-respiratory-muscle-mass-and-strength-in-patients-with-chronic-heart-failure
#12
Lenise C B C Fernandes, Italo M de Oliveira, Paula Frassinetti C B C Fernandes, João David de Souza Neto, Maria do Socorro Q Farias, Nilce A de Freitas, Nasser C Magalhães, Fernando Bacal
Background: To assess the impact of heart transplantation (HT) on the recovery of peripheral and respiratory muscle mass and strength in patients with congestive heart failure. Methods: The study included 23 patients with an indication for HT (patients in the waiting list [WL] group). These patients were monitored for 1.5 to 3 years after HT; 8 died before 6 months of follow-up, 15 patients completed the early follow-up period of 6 months after HT (FU6m group), 4 died between 6 months and 3 years after HT, and 11 patients completed the late follow-up period 1...
November 2018: Transplantation Direct
https://read.qxmd.com/read/30523453/diabetes-risk-assessment-with-imaging-a-radiomics-study-of-abdominal-ct
#13
Chun-Qiang Lu, Yuan-Cheng Wang, Xiang-Pan Meng, Hai-Tong Zhao, Chu-Hui Zeng, Weiwei Xu, Ya-Ting Gao, Shenghong Ju
OBJECTIVES: To identify CT markers for screening of early type 2 diabetes and assessment of the risk of incident diabetes using a radiomics method. METHODS: The medical records of 26,947 inpatients were reviewed. A total of 690 patients were selected and allocated to a primary cohort, a validation cohort, and a prediction cohort and used to build prediction models for diabetes. Three radiomics signatures were constructed using CT image features extracted from three regions of interest, i...
December 6, 2018: European Radiology
https://read.qxmd.com/read/30514041/-application-of-cortical-bone-trajectory-screw-in-elderly-patients-with-lumbar-tuberculosis
#14
Xiao-Zhang Ying, Shi-Yuan Shi, Qi Zheng, Bo Zhu, Yang-Hui Jin, Ming-Feng Zheng
OBJECTIVE: To explore the clinical effect of cortical bone trajectory screw technology combined with anterior mini-open debridement and prop graft for lumbar tuberculosis in elderly. METHODS: The clinical data of 22 patients with lumbar tuberculosis treated by cortical bone trajectory screw technology combined with anterior mini-open debridement and prop graft from February 2015 to December 2016 were retrospectively analyzed. There were 13 males and 9 females with an average age of (73...
November 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://read.qxmd.com/read/30513518/computed-tomography-assessed-sarcopenia-indexes-predict-major-complications-following-surgery-for-hepatopancreatobiliary-malignancy-a-meta-analysis
#15
REVIEW
Qin Cao, Yan Xiong, Zibiao Zhong, Qifa Ye
BACKGROUND: Computed tomography (CT)-assessed sarcopenia indexes have been reported to predict postoperative morbidity and mortality; however conclusions drawn from different indexes and studies remain controversial. AIM: The purpose of this meta-analysis was to evaluate various CT-assessed sarcopenia indexes as predictors of risk for major complications in patients undergoing hepatopancreatobiliary surgery for malignancy. METHODS: Medline/PubMed, Web of Science, and Embase databases were systematically searched to identify relevant studies published before June 2018...
December 4, 2018: Annals of Nutrition & Metabolism
https://read.qxmd.com/read/30481626/efficacy-of-oblique-lateral-interbody-fusion-in-the-treatment-of-degenerative-lumbar-disease
#16
Can Zhang, Kai Wang, Fengzeng Jian, Hao Wu
OBJECTIVE: This study aimed to analyze the efficacy of OLIF (Oblique lumbar interbody fusion) in the treatment of degenerative lumbar disease. METHODS: Twenty-two patients with degenerative lumbar disease who underwent OLIF between October 2016 and January 2017 were included. Radiography, computed tomography (CT), and magnetic resonance imaging (MRI) were performed pre- and postoperatively. The cross-sectional area (CSA) of the dural sac, disc height (DH), cross-sectional height of the intervertebral foramina (CSH), and intervertebral foramina CSA (CSAF) were measured...
November 24, 2018: World Neurosurgery
https://read.qxmd.com/read/30475333/the-anatomic-characteristics-of-the-retroperitoneal-oblique-corridor-to-the-l1-s1-intervertebral-disc-spaces
#17
Wang Kai, Zhang Can, Wu Hao, Chen Zan, Dean Chou, Fengzeng Jian
STUDY DESIGN: This is a cross-sectional study. OBJECTIVE: To investigate the oblique corridor to the L1-S1 intervertebral disc space between the psoas muscle and the great vessels in cadaveric specimens bilaterally and the location of genitofemoral nerve and the diaphragmatic crura relative to the oblique corridor. SUMMARY OF BACKGROUND DATA: Although use of oblique lumbar interbody fusion(OLIF) is rapidly expanding, the morphometric data related to the procedure are limited...
November 20, 2018: Spine
https://read.qxmd.com/read/30452662/loss-of-psoas-major-muscle-volume-during-systemic-chemotherapy-is-related-to-worse-prognosis-in-testicular-cancer
#18
Yosuke Mitsui, Takuya Sadahira, Motoo Araki, Yuki Maruyama, Koichiro Wada, Ryuta Tanimoto, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu
Objective: In several cancers, the loss of skeletal muscle is well associated with oncological outcome. However, its effect is unknown in testicular cancer. This study evaluated the prognostic impact of psoas major muscle volume loss during systemic chemotherapy. Methods: This was a retrospective study of patients who underwent chemotherapy from 2008 to 2017. Psoas major muscle volume was calculated by volume analyzer software, and its loss was calculated during systemic chemotherapy...
November 17, 2018: Japanese Journal of Clinical Oncology
https://read.qxmd.com/read/30399135/impact-of-contrast-extravasation-on-computed-tomography-of-the-psoas-major-muscle-in-patients-with-blunt-torso-trauma
#19
Tetsuya Yumoto, Hiromichi Naito, Takao Hiraki, Yasuaki Yamakawa, Taihei Yamada, Atsunori Nakao
BACKGROUND: The clinical significance of contrast extravasation (CE) on computed tomography (CT) of the psoas major muscle after blunt torso trauma and the optimal management of patients requiring transcatheter arterial embolization (TAE) of the lumbar artery have not been well elucidated. The aim of this study was to investigate the impact of CE on CT to determine the need for TAE of the lumbar artery. METHODS: We examined a single-center retrospective cohort of blunt torso trauma patients who underwent contrast-enhanced CT from 2008 through 2017...
November 5, 2018: Journal of Trauma and Acute Care Surgery
https://read.qxmd.com/read/30373896/rare-extraspinal-cause-of-acute-lumbar-radiculopathy
#20
Vinicius Tieppo Francio, Brandon Barndt, Justin B Schappell, Travis Allen, Chris Towery, Saeid Davani
A 60-year-old man presented to an outpatient pain management clinic with antalgic gait and left lower extremity (LLE) radiculopathy from an unknown aetiology. A lumbar MRI revealed minimal disc protrusion at L3 and a partially visualised left-sided kidney abnormality. Abdominal and pelvic CT demonstrated severe hydronephrosis of the left kidney compressing the left psoas major. The patient was immediately referred to an outside hospital for nephrology workup, and following nephrostomy tube, his radicular pain resolved...
October 28, 2018: BMJ Case Reports
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