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https://www.readbyqxmd.com/read/28321940/anatomy-of-psoas-muscle-innervation-cadaveric-study
#1
Mark A Mahan, Luke E Sanders, Jian Guan, Andrew T Dailey, William Taylor, David A Morton
INTRODUCTION: Hip flexion weakness is relatively common after lateral transpsoas surgery. Persistent weakness may result from injury to the innervation of the psoas major muscles (PMMs); however, anatomical texts have conflicting descriptions of this innervation, and the branching pattern of the nerves within the psoas major, particularly relative to vertebral anatomy, has not been described. The authors dissected human cadavers to describe the branching pattern of nerves supplying the PMMs...
March 21, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28320887/hip-region-muscular-dystrophy-and-emergence-of-motor-deficits-in-dysferlin-deficient-bla-j-mice
#2
Nadia Nagy, Randal J Nonneman, Telmo Llanga, Catherine F Dial, Natallia V Riddick, Tom Hampton, Sheryl S Moy, Kimmo K Lehtimäki, Toni Ahtoniemi, Jukka Puoliväli, Hillarie Windish, Douglas Albrecht, Isabelle Richard, Matthew L Hirsch
The identification of a dysferlin-deficient animal model that accurately displays both the physiological and behavior aspects of human dysferlinopathy is critical for the evaluation of potential therapeutics. Disease progression in dysferlin-deficient mice is relatively mild, compared to the debilitating human disease which manifests in impairment of particular motor functions. Since there are no other known models of dysferlinopathy in other species, locomotor proficiency and muscular anatomy through MRI (both lower leg and hip region) were evaluated in dysferlin-deficient B6...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28316847/malignant-lymphoma-in-the-psoas-major-muscle
#3
Nobuhiro Akuzawa, Takashi Hatori, Aya Takase, Jun Aoki, Shinji Sakurai, Masahiko Kurabayashi
An 84-year-old Japanese man taking warfarin to prevent cerebral infarction secondary to atrial fibrillation was admitted to our hospital for evaluation of a painless right back mass. Magnetic resonance imaging (MRI) showed an oval-shaped mass in the right psoas major muscle. The mass showed high intensity on T1-, T2-, and diffusion-weighted imaging and mimicked an acute-phase hematoma. However, it showed no chronological changes typical of a hematoma, and MRI revealed enlargement of the mass 1 week after admission...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28304086/influence-of-modified-atmosphere-packaging-on-protein-oxidation-calpain-activation-and-desmin-degradation-of-beef-muscles
#4
Qing-Quan Fu, Qing-Feng Ge, Rui Liu, Hai-Ou Wang, Guang-Hong Zhou, Wan-Gang Zhang
BACKGROUND: Protein oxidation is widespread in biochemical systems. The objective of the study was to investigate the differences in protein oxidation, μ-calpain activity, desmin proteolysis and protein solubility of beef psoas major (PM) and semimembranosus (SM) muscles under three packaging systems during postmortem aging. At 24 h postmortem, beef muscles were packaged respectively in air-permeable film overwrap (AP), vacuum pack (VP) or modified atmosphere (MAP, 80% O2 + 20% CO2 ), and then displayed for 10 days (d) at 4 °C...
March 17, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28299237/asymptomatic-urolithiasis-complicated-by-nephrocutaneous-fistula
#5
Marion Hamard, Gaël Amzalag, Christoph D Becker, Pierre-Alexandre Poletti
Asymptomatic spontaneous nephrocutaneous fistula is a rare and severe complication of chronic urolithiasis. We report a case of 56-year-old woman with a nephrocutaneous fistula (NFC) which developed from a superinfected urinoma following calyceal rupture due to an obstructing calculus in the left ureter. The patient was clinically asymptomatic and came to the emergency department for a painless left flank fluctuating mass. This urinoma was superinfected, with a delayed development of renal abscesses and perirenal phlegmon found on contrast-enhanced uro-computed tomography (CT), responsible for left renal vein thrombophlebitis and left psoas abscess...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28277325/the-pathway-of-injectate-spread-with-the-transmuscular-quadratus-lumborum-block-a-cadaver-study
#6
Mette Dam, Bernhard Moriggl, Christian K Hansen, Romed Hoermann, Thomas F Bendtsen, Jens Børglum
BACKGROUND: The spread of injectate resulting from a transmuscular quadratus lumborum (TQL) block and a transverse oblique paramedian (TOP) TQL block has never been examined. The aim of this cadaveric study was to investigate by which pathway the injectate spreads cephalad into the thoracic paravertebral space and which nerves were dyed by the injectate cephalad and caudad to the diaphragm when performing a TQL and a TOP TQL block. We also aimed to investigate whether the thoracic and lumbar sympathetic trunks as well as the lumbar plexus were covered by the injectate...
March 8, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28275484/postoperative-change-of-the-psoas-muscle-area-as-a-predictor-of-survival-in-surgically-treated-esophageal-cancer-patients
#7
Seong Yong Park, Joon-Kee Yoon, Su Jin Lee, Seokjin Haam, Joonho Jung
BACKGROUND: Although a decrease in the psoas muscle area (PMA) has been reported as a risk factor for survival after esophagectomy in esophageal cancer, no previous studies have focused on the change in the PMA after surgery. We investigated the prognostic role of PMA changes in patients with surgically treated esophageal cancer. METHODS: Fifty-eight patients with esophageal cancer who underwent surgical resection and complete lymph node dissection were reviewed retrospectively...
February 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28274024/visible-evidence-of-lumbar-epidural-catheter-misplacement-a-critical-incident-case-report
#8
Rajkiran Shah, Beena Butala, Geeta Parikh, Rajesh Pargi
One of the causes of failed epidurals is catheter misplacement. Though various techniques of epidural space identification have been developed, none of them is 100% successful. Here, we present a case of lumbar epidural catheter misplacement in a patient scheduled to undergo right sided open nephrectomy. Catheter was found in the surgical field coming out of psoas major muscle.
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28267356/ct-of-patients-with-hip-fracture-muscle-size-and-attenuation-help-predict-mortality
#9
Robert D Boutin, Sara Bamrungchart, Cyrus P Bateni, Daniel P Beavers, Kristen M Beavers, John P Meehan, Leon Lenchik
OBJECTIVE: Our objective was to determine the association between muscle cross-sectional area and attenuation, as measured on routine CT scans, and mortality in older patients with hip fracture. MATERIALS AND METHODS: A retrospective 10-year study of patients with hip fracture was conducted with the following inclusion criteria: age 65 years or older, first-time hip fracture treated with surgery, and CT of the chest, abdomen, or pelvis. This yielded 274 patients (70...
March 7, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28264538/-a-case-of-hemodialysis-associated-pelvic-amyloidoma-mimicking-renal-cancer-associated-etiology
#10
Hideaki Takada, Kanji Nagahama, Yoshiharu Nakashima, Koji Yoshimura, Yasunori Nishio, Ken Matsuo, Noriko Mori
Patients with renal insufficiency receiving long-term hemodialysis often develop so-called hemodialysis amyloidosis characterized by systemic β 2-microglobulin amyloid lesions, while patients with renal cell carcinoma may develop amyloid A(AA) amyloidosis. Herein, we present a 67-year-old man on thirty-yearlong hemodialysis who was diagnosed to have left renal cell carcinoma coincident with a large spaceoccupying lesion adjacent to the psoas muscle in the pelvic cavity. An ultrasound-guided percutaneous needle biopsy was performed at the time of laparoscopic radical nephrectomy...
February 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28256498/iliacus-abscess-with-radiculopathy-mimicking-herniated-nucleus-pulposus-additional-diagnostic-value-of-magnetic-resonance-imaging
#11
D H Kim, S H Woo, W J Lee
An iliacus abscess is an extremely rare cause of low back pain. With an iliacus abscess, the classical signs seen with a psoas abscess are frequently absent. Therefore, a timely diagnosis at the initial visit is difficult and inadequate treatment usually results in high mortality. Here, we report the case of 19-year-old man who presented with acute low back pain with radiculopathy and was ultimately diagnosed with an iliacus muscle abscess.
March 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28256407/schwannoma-of-the-psoas-an-unusual-cause-of-abdominal-pain
#12
Elias Makhoul, Ralph Kamel, Naim Hanna
Schwannomas are usually benign tumours arising from Schwann cells of peripheral nerve sheath. Retroperitoneal location is extremely rare compromising 0.5-5% of all schwannomas, except in patients having von Recklinghausen's disease, in whom retroperitoneal location is more frequent and malignant cases are known to occur. Complete surgical excision with negative margins is the definitive treatment on which the diagnosis is usually made due to nonspecific radiologic appearance. In this article we would like to present an unusual cause of recurrent, abdominal pain in an eighty-six-year-old male...
February 27, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28255259/the-effect-of-unilateral-spinal-anaesthesia-and-psoas-compartment-with-sciatic-block-on-the-postoperative-pain-management-in-total-knee-artroplastic-surgery
#13
Ebru Canakci, Dogus Unal, Yunus Guzel
Purpose. This study was designed to investigate the effects of peripheral nerve block methods, applied through unilateral spinal anaesthesia on elderly patients to undergo total knee arthroplasty, on perioperative hemodynamic parameters and postoperative analgesia period. Materials and Method. 60 patients were randomly divided into two groups in the study. In group USA spinal anaesthesia was performed. In group PCS it was applied on psoas compartment block and sciatic nerve block. Results. Significantly higher intraoperative 60th and 90th minute mean arterial pressure values were ascertained in the PCS group compared to the USA group...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28253945/-pyogenic-spinal-infections-in-adults-a-5-year-experience-from-a-tertiary-care-centre
#14
O Džupová, R Cihlářová
PURPOSE OF THE STUDY To describe epidemiological and clinical features of pyogenic spinal infections in patients treated at the Department of Infectious, Parasitic and Tropical Diseases of the Hospital Na Bulovce in 2010-2014, and to analyse a predictive significance of selected variables. MATERIAL AND METHODS A single-centre retrospective cohort study carried out from 1.1.2010 to 31.12.2014 enrolled adult patients with septic spondylitis, discitis and facet joint infections. Recorded parameters included: demographics, chronic comorbidities, time to diagnosis, radiological work-up, anatomical level of spinal infection, source of infection, etiological agent, complications, treatment and outcomes...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28252557/complications-associated-with-lateral-interbody-fusion-nationwide-survey-of-2998-cases-during-the-first-two-years-of-its-use-in-japan
#15
Shunsuke Fujibayashi, Noriaki Kawakami, Takashi Asazuma, Manabu Ito, Jun Mizutani, Hideki Nagashima, Masaya Nakamura, Koichi Sairyo, Ryuichi Takemasa, Motoki Iwasaki
STUDY DESIGN: Retrospective nationwide questionnaire-based survey of complications. OBJECTIVE: To elucidate the incidence of complications and risk factors associated with lateral interbody fusion (LIF). SUMMARY OF BACKGROUND DATA: After its introduction to Japan in February 2013, the numbers of LIF cases have increased substantially because of the advantages of this minimally invasive procedure. However, LIF has the potential risk of several complications unique to the procedure...
March 1, 2017: Spine
https://www.readbyqxmd.com/read/28242571/predictors-for-anterior-pelvic-tilt-following-surgical-correction-of-flexed-knee-gait-including-patellar-tendon-shortening-in-children-with-cerebral-palsy
#16
Harald Böhm, Matthias Hösl, Leonhard Döderlein
INTRODUCTION: Patellar tendon shortening procedure within single event multilevel surgeries was shown to improve crouch gait in Cerebral Palsy (CP) patients. However, one of the drawbacks associated to the correction of flexed knee gait may be increased pelvic anterior tilt with compensatory lumbar lordosis. RESEARCH QUESTION: Which CP patients are at risk for excessive anterior pelvic tilt following correction of flexed knee gait including patellar tendon shortening? METHODS: 32 patients with CP between 8 and 18 years GMFCS I&II were included...
February 21, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28242398/a-contained-ruptured-abdominal-aortic-aneurysm-presenting-with-vertebral-erosion
#17
Yongqi Li, Lei Li, Dongming Zhang, Xiaomei Wang, Weidong Sun, Han Wang
Chronic contained rupture (CCR) of abdominal aortic aneurysm (AAA) with vertebral erosion is a rare condition. Although it has been reported previously, it is still liable to be misdiagnosed. We present a case of CCR of AAA with vertebral erosion. A brief analysis of similar cases reported in the last five years is presented. A 71-year-old male was admitted to our hospital because of severe prickling pain in his left thigh. Computerized tomography angiography revealed an AAA which had caused erosion of L3 vertebral body and the left psoas muscle...
February 24, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28242066/insertion-of-psoas-minor-tendon-at-pelvic-brim-a-novel-anatomic-landmark-for-extra-articular-screw-placement-through-stoppa-approach
#18
Ruipeng Zhang, Zhiyong Hou, Liping Zhang, Yingchao Yin, Wei Chen, Yingze Zhang
BACKGROUND: The psoas minor partially inserted to the superior pelvic brim. And the plate used to fix the acetabular fracture has always been positioned at the pelvic brim after reduction through the Stoppa approach. However, there are few studies depicting the clinical significance of the psoas minor. The purpose of this paper was to explore the relationship between the insertion of the psoas minor tendon at the pelvic brim (IPMTPB) and screw placement through the Stoppa approach. MATERIALS AND METHODS: Fifteen cadavers were dissected for adequate exposure to IPMTPB in our study...
February 21, 2017: Injury
https://www.readbyqxmd.com/read/28230568/obesity-hepatic-steatosis-and-their-impact-on-fat-infiltration-of-the-trunk-musculature-using-unenhanced-computed-tomography
#19
Ronnie Sebro
OBJECTIVES: The aim of the study was to assess whether hepatic steatosis predicts muscle fat content independent of body mass index (BMI). METHODS: Regions of interest were drawn over several trunk muscles and over the right lobe of the liver to obtain the computed tomography (CT) density in 100 subjects with unenhanced CT studies of the abdomen and pelvis. Univariate and multivariate linear regression were used to examine the associations between BMI and hepatic steatosis and between BMI and trunk muscle density...
March 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28223540/akirin2-promotes-slow-myosin-heavy-chain-expression-by-can-nfatc1-signaling-in-porcine-skeletal-muscle-satellite-cells
#20
Xiaoling Chen, Yanliu Luo, Zhiqing Huang, Guangmang Liu, Hua Zhao
The objective of this study was to evaluate the effect of Akirin2 on slow myosin heavy chain (slow MyHC, MyHC I) gene expression and its molecular mechanisms. In this study, we showed that the protein expression of Akirin2 in pig slow oxidative Psoas major muscle is higher than that in fast glycolytic tibialis anterior muscle, suggesting that Akirin2 may play a role in myofiber typing. Knockdown of Akirin2 decreased the MyHC I expression and the calcineurin (CaN) activity, and also decreased the expressions of NFATc1 and MCIP1...
February 16, 2017: Oncotarget
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