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https://www.readbyqxmd.com/read/28642689/integrating-neural-circuits-controlling-female-sexual-behavior
#1
REVIEW
Paul E Micevych, Robert L Meisel
The hypothalamus is most often associated with innate behaviors such as is hunger, thirst and sex. While the expression of these behaviors important for survival of the individual or the species is nested within the hypothalamus, the desire (i.e., motivation) for them is centered within the mesolimbic reward circuitry. In this review, we will use female sexual behavior as a model to examine the interaction of these circuits. We will examine the evidence for a hypothalamic circuit that regulates consummatory aspects of reproductive behavior, i...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28640899/normative-3d-opto-electronic-stereo-photogrammetric-posture-and-spine-morphology-data-in-young-healthy-adult-population
#2
Moreno D'Amico, Edyta Kinel, Piero Roncoletta
Observational cross-sectional study. The current study aims to yield normative data: i.e., the physiological standard for 30 selected quantitative 3D parameters that accurately capture and describe a full-skeleton, upright-standing attitude. Specific and exclusive consideration was given to three distinct categories: postural, spine morphology and pelvic parameters. To capture such 3D parameters, the authors selected a non-ionising 3D opto-electronic stereo-photogrammetric approach. This required the identification and measurement of 27 body landmarks, each specifically tagged with a skin marker...
2017: PloS One
https://www.readbyqxmd.com/read/28640085/familial-lumbar-scheuermann-disease-with-idiopathic-scoliosis-in-china-first-case-report
#3
Yuliang Dai, Yawei Li, Pengzhi Li, Lei Li, Zhiming Tu, Bing Wang
RATIONALE: Given that Scheuermann disease rarely occurs in the lumbar region and that the co-occurrence of Scheuermann disease and idiopathic scoliosis (IS) has not been reported-the etiology of Scheuermann disease and IS is not clear. In this case report, we present familaiar lumbar Scheuermann disease with IS, in a Chinese proband, who was successfully treated with surgery. PATIENT CONCERNS: A 16-year-old boy presented at the Second XiangYa Hospital of Central South University with a chief complaint of kyphotic deformity in the lower back for 4 years and obvious lower back pain...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28632558/the-long-term-clinical-effect-of-minimal-invasive-tlif-technique-in-1-segment-lumbar-disease
#4
Yi-Bing Li, Xiao-Dong Wang, Hong-Wei Yan, Ding-Jun Hao, Zheng-Hua Liu
STUDY DESIGN: A prospective cohort double-center study. OBJECTIVE: To assess the clinical effect of minimally invasive transforaminal lumbar interbody fusion (miTLIF) using the tunnel technique. SUMMARY OF BACKGROUND DATA: A series of short-term studies have indicated that miTLIF could reduce blood loss and improve clinical results. However, long-term clinical study and magnetic resonance imaging research are still scare. METHODS: From January 2008 to January 2009, 187 patients with 1-segment lumbar disease requiring intervertebral fusion were enrolled in this study...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28632553/lumbar-retrolisthesis-in-aging-spine-what-are-the-associated-factors
#5
Feng Zhu, Hongda Bao, Zhen Liu, Zezhang Zhu, Shouyu He, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: The aim of this study is to demonstrate that lumbar retrolisthesis serves as an important compensatory mechanism and to identify the possible factor related to lumbar retrolisthesis. SUMMARY OF BACKGROUND DATA: Lumbar instability is one of the common degenerative changes, which presents as 2 radiologic features: anterolisthesis and retrolisthesis. Compared with the extensive studies on anterolisthesis, limit data are available on the characteristics and clinical relevance of lumbar retrolisthesis...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28627954/reliability-analysis-of-cobb-measurement-in-degenerative-lumbar-scoliosis-using-endplate-versus-pedicle-as-bony-landmarks
#6
Jing Guo, Xian-Chao Deng, Qin-Jie Ling, Zhi-Xun Yin, Er-Xing He
OBJECTIVES: Degenerative changes of endplates in older patients and tilting of vertebral body in lumbosacral lordosis could make an accurate identification of endplates for the Cobb measurement difficult. Pedicles have been proposed as alternative landmarks because they are usually better visualized, and offer similar clinical validity to the endplates. The objective of this study was to investigate the reliability of the pedicle method of Cobb measurement in degenerative lumbar scoliosis and compare it with the traditional endplate method...
June 21, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/28625909/multilevel-acdf-with-zero-profile-devices-analysis-of-safety-and-feasibility-with-a-focus-on-sagittal-alignment-and-its-impact-on-clinical-outcome-a-single-institution-experience-and-review-of-the-literature
#7
Vincenzo Albanese, Francesco Certo, Massimiliano Visocchi, Giuseppe Mv Barbagallo
BACKGROUND: In multilevel degenerative conditions posterior approaches are often preferred, but anterior approaches provide comparable clinical results and better alignment. Anterior plating entails higher rates of soft tissue injuries and dysphagia, particularly in multilevel cases. This study evaluates efficacy and safety of zero-profile devices in three and four-level ACDF, analyzing patients' clinical and radiological long-term outcome. METHODS: We prospectively enrolled 24 patients with cervical spondylotic myeloradiculopathy (CSM), who underwent three and four-level ACDF with Zero-P device...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28622901/tridimensional-analysis-of-rotatory-subluxation-and-sagittal-spinopelvic-alignment-in-the-setting-of-adult-spinal-deformity
#8
Emmanuelle Ferrero, Renaud Lafage, Bassel G Diebo, Vincent Challier, Brice Illharreborde, Frank Schwab, Wafa Skalli, Pierre Guigui, Virginie Lafage
STUDY DESIGN: Retrospective single-center. OBJECTIVE: To investigate rotatory subluxation (RS) in adult spinal deformity (ASD) with three-dimensional (3D) stereoradiographic images and analyze relationships between RS, transverse plane parameters, spinopelvic parameters, and clinical outcomes. BACKGROUND: Recent research has demonstrated that sagittal plane malalignment and listhesis correlate with ASD patient-reported outcomes. However, there is still a lack of knowledge regarding the clinical impact of 3D evaluation and rotatory subluxation...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622188/differences-in-fundamental-sagittal-pelvic-parameters-based-on-age-sex-and-race
#9
Robert K Merrill, Jun S Kim, Dante M Leven, Joung Heon Kim, Joshua J Meaike, Rachel S Bronheim, Kelly I Suchman, Doug Nowacki, Sunder S Gidumal, Samuel K Cho
STUDY DESIGN: This is a retrospective cohort study. OBJECTIVE: To determine whether age, sex, and race have independent effects on sagittal pelvic parameters. SUMMARY OF BACKGROUND DATA: Pelvic parameters and sagittal balance correlate with health-related quality of life and are important for patient assessment and surgical planning. Age, sex, and race are 3 unalterable patient factors that may influence pelvic morphology. METHODS: We conducted a retrospective review of consecutive adult patients who presented to our radiology practice between 2010 and 2015 and had a standing, lateral lumbosacral radiograph...
June 15, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28622187/radiographic-and-clinical-outcomes-of-anterior-and-transforaminal-lumbar-interbody-fusions-a-systematic-review-and-meta-analysis-of-comparative-studies
#10
Remi M Ajiboye, Haddy Alas, Gina M Mosich, Akshay Sharma, Sina Pourtaheri
STUDY DESIGN: Systematic review and meta-analysis. OBJECTIVE: Compare the radiographic and clinical outcomes of anterior lumbar interbody fusion (ALIF) to transforaminal lumbar interbody fusion (TLIF). SUMMARY OF BACKGROUND DATA: ALIF and TLIF are 2 methods of achieving spinal arthrodesis. There are conflicting reports with no consensus on the optimal interbody technique to achieve successful radiographic and clinical outcomes. The goal of this systematic review and meta-analysis was to compare the radiographic and clinical outcomes of ALIF to TLIF...
June 15, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28620787/do-position-and-size-matter-an-analysis-of-cage-and-placement-variables-for-optimum-lordosis-in-plif-reconstruction
#11
Priyan R Landham, Angus S Don, Peter A Robertson
PURPOSE: To examine monosegmental lordosis after posterior lumbar interbody fusion (PLIF) surgery and relate lordosis to cage size, shape, and placement. METHODS: Eighty-three consecutive patients underwent single-level PLIF with paired identical lordotic cages involving a wide decompression and bilateral facetectomies. Cage parameters relating to size (height, lordosis, and length) and placement (expressed as a ratio relative to the length of the inferior vertebral endplate) were recorded...
June 15, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28618726/the-evaluation-of-cervical-spinal-angle-in-patients-with-acute-and-chronic-neck-pain
#12
Ayhan Aşkin, Korhan Barış Bayram, Ümit Seçil Demirdal, Emel Atar, Çiğdem Arifoğlu Karaman, Ece Güvendi, Aliye Tosun
BACKGROUND/AIM: Clinicians associate the changes in cervical lordosis with neck pain, but there is no clear consensus on this. We aimed to investigate the relationships of cervical angles, neck pain, disability, and the psychological status of the patients with acute and chronic neck pain. MATERIALS AND METHODS: A total of 110 patients with neck pain were included in this study. Demographic and clinical characteristics of the patients were recorded. The lordosis angle was determined by the posterior tangent method...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28612190/correction-of-hypokyphosis-in-thoracic-adolescent-idiopathic-scoliosis-using-sublaminar-bands-a-3d-multicenter-study
#13
Brice Ilharreborde, Sébastien Pesenti, Emmanuelle Ferrero, Franck Accadbled, Jean-Luc Jouve, Jérôme Sales De Gauzy, Keyvan Mazda
INTRODUCTION: The comparison of implants and correction methods remain controversial in AIS. Excellent frontal and axial correction rates have been reported with all-screw constructs, but at the expense of sagittal alignment, which has a tendency to flatten postoperatively. Posteromedial translation using hybrid constructs seems to preserve and improve thoracic kyphosis (TK), but no series exist to date with a significant number of hypokyphotic patients. In addition, the measures of TK in 2D are often wrong in severe AIS due to axial rotation...
June 13, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28610442/the-effect-of-a-corrective-functional-exercise-program-on-postural-thoracic-kyphosis-in-teenagers-a-randomized-controlled-trial
#14
Qiang Feng, Mei Wang, Yanfeng Zhang, Yu Zhou
OBJECTIVE: To investigate the effects of a corrective functional exercise program on postural thoracic kyphosis in teenagers in China. DESIGN: A single-blind randomized controlled trial including students with a thoracic kyphosis angle (TKA) >40° measured using the SpinalMouse. SETTING: China Institute of Sport Science and three middle schools in Beijing, China. SUBJECTS: A total of 181 subjects were included in this trial; of these, 164 subjects were included in the analyses (intervention group, n = 81; control group, n = 83)...
June 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28602928/which-approach-is-advantageous-to-preventing-the-development-of-asd-a-comparative-analysis-of-3-different-lumbar-interbody-fusion-techniques-alif-llif-and-plif-in-l4-5-spondylolisthesis
#15
Chul-Woo Lee, Kang-Jun Yoon, Sang-Soo Ha
OBJECTIVE: The purpose of this study was to compare radiological and clinical outcomes in patients with L4-5 lumbar spondylolisthesis who have undergone either instrumented Anterior lumbar interbody fusion (ALIF), Lateral lumbar interbody fusion (LLIF), or Posterior Lumbar interbody fusion (PLIF), especially with regard to the development of Adjacent segment disease (ASD). METHODS: Eighty-two patients with preoperative L4-5 spondylolisthesis and minimal ASD who underwent instrumented L4-5 fusion were divided into three groups according to the surgical approach used for treatment (ALIF: 27 patients, LLIF: 24 patients, PLIF: 31 patients)...
June 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28601994/radiologic-features-of-dropped-head-syndrome-in-the-overall-sagittal-alignment-of-the-spine
#16
Kazuki Hashimoto, Hiroshi Miyamoto, Terumasa Ikeda, Masao Akagi
PURPOSE: Dropped head syndrome (DHS) is a rare clinical entity which is defined as a chin-on-chest deformity in the standing or sitting position, resulting from sagittal imbalance of the cervical region. The purpose of the present study was to clarify the radiologic features of DHS in the overall sagittal alignment of the spine. We also investigated the changes in sagittal alignment after correction surgery for DHS. METHODS: Twenty DHS patients [1 male and 19 female, with an average age of 78...
June 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28598295/pelvic-retroversion-a-compensatory-mechanism-for-lumbar-stenosis
#17
Sina Pourtaheri, Akshay Sharma, Jason Savage, Iain Kalfas, Thomas E Mroz, Edward Benzel, Michael P Steinmetz
OBJECTIVE The flexed posture of the proximal (L1-3) or distal (L4-S1) lumbar spine increases the diameter of the spinal canal and neuroforamina and can relieve symptoms of neurogenic claudication. Distal lumbar flexion can result in pelvic retroversion; therefore, in cases of flexible sagittal imbalance, pelvic retroversion may be compensatory for lumbar stenosis and not solely compensatory for the sagittal imbalance as previously thought. The authors investigate underlying causes for pelvic retroversion in patients with flexible sagittal imbalance...
June 9, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28597300/proximal-junctional-kyphosis-in-adult-scoliosis-comparison-of-four-radiological-predictor-models
#18
Amer Sebaaly, Guillaume Riouallon, Ibrahim Obeid, Pierre Grobost, Maroun Rizkallah, Fethi Laouissat, Yann-Phillippe Charles, Pierre Roussouly
OBJECTIVE: The objective of this retrospective study is to identify the best immediate postoperative radiological predictors for the occurrence of proximal junctional kyphosis (PJK). Four proposed methods will be explored. METHODS: A homogeneous database of adult scoliosis from multiple centers was used. Patients with whole spine X-rays at the required follow-up (FU) periods were included. Spinal and pelvic parameters were measured and calculated to compare four predictive methods: Method 1: assessment of the global sagittal alignment (GSA); Method 2: restoration of the theoretical values of lumbar lordosis (LL) and thoracic kyphosis (TK) according to pelvic incidence (PI); Method 3: evaluation of TK + LL, and Method 4: restoration of the apex of sagittal LL to its theoretical values according to various spine shapes in Roussouly Classification...
June 9, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28594513/minimally-invasive-lateral-approach-for-the-management-of-adult-degenerative-scoliosis
#19
Adam M Wegner, David M Prior, Eric O Klineberg
Minimally invasive lateral releases for the correction of lumbar scoliosis are becoming an increasingly common treatment alternative to posterior osteotomies or surgery via an open anterior approach. Minimally invasive approaches minimize blood loss and morbidity, which may be important in older patients who often have substantial comorbidities. Anterior column realignment allows lumbar lordosis to be restored via a minimally invasive lateral approach, which restores sagittal balance and is correlated with improvements in health-related quality of life...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28593385/tailor-made-management-of-thoracic-scoliosis-with-cervical-hyperextension-in-muscular-dystrophy
#20
A Angelliaume, L Harper, A Lalioui, A Delgove, Y Lefèvre
PURPOSE: We report the case of a 13-year-old boy managed for fixed cervical hyperextension due to congenital muscular dystrophy with partial merosin deficiency. He presented a right decompensated thoracic scoliosis (T6-L1 Cobb angle 72°) associated with cervical and lumbar lordosis. The spinal extension was accompanied by major flexion of the hip resulting in the trunk being bent forward. This posture caused daily severe back pain responsible for significant loss of quality of life. This led to the decision to perform surgery...
June 7, 2017: European Spine Journal
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