keyword
MENU ▼
Read by QxMD icon Read
search

Pars interarticularis

keyword
https://www.readbyqxmd.com/read/29755239/type-iii-odontoid-fractures-a-subgroup-analysis-of-complex-high-energy-fractures-treated-with-external-immobilization
#1
Thomas E Niemeier, Adam R Dyas, Sakthivel R Manoharan, Steven M Theiss
Study Design: Retrospective cohort study. Objective: Type III odontoid fractures are classically treated nonoperatively, yet, the current literature on Type III odontoid fractures includes fractures of multiple etiologies and fracture morphologies. We hypothesize that a subgroup of complex, Type III fractures caused by high-energy mechanisms are more likely to fail nonoperative treatment. Materials and Methods: Acute Type III odontoid fractures were identified at a single institution from 2008 to 2015...
January 2018: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/29731316/the-grisel-s-syndrome-a-non-traumatic-subluxation-of-the-atlantoaxial-joint
#2
L Fath, H Cebula, M N Santin, A Coca, C Debry, F Proust
INTRODUCTION: Grisel's syndrome consists in rotational subluxation of C1-C2 following ENT infection or surgery. There is no consensus on management. We present 2 cases requiring surgical treatment in our center. CASE REPORTS: Two 10-year-old patients presented torticollis with cervical pain resistant to medical treatment, with onset a few months after tonsillectomy. In both cases, radiological assessment, comprising CT scan and MRI, showed Fielding-Hawkins type-3 C1-C2 rotational subluxation, without ligament lesion...
May 3, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29710368/optimized-screw-trajectory-for-lumbar-cortical-bone-trajectory-pedicle-screws-based-on-clinical-outcome-evidence-favoring-the-buttress-effect-theory
#3
Shunji Asamoto, Kota Kojima, Michael Winking, Andreas Jödicke, Masayuki Ishikawa, Shinichi Ishihara, Wolfgang Deinsberger, Jun Muto, Makoto Nishiyama
BACKGROUND:  Cortical bone trajectory (CBT) is a relatively new technique for pedicle screw insertion in the field of spine surgery. Previous studies have demonstrated the significantly better pullout and toggle characteristics the new method offers, and it appears to have certain advantages over the widely used traditional trajectory. The mechanism of the pullout and toggle characteristics still remains unknown. PURPOSE:  To report the medium- to long-term follow-up findings of patients who underwent posterior lumbar interbody fusion or posterior lumbar fusion (PLIF/PLF) at our institution and to discuss the ideal screw trajectory when using this technique...
April 30, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29699583/recurrent-upper-lumbar-disc-herniation-treated-via-the-transforaminal-approach-using-microendoscopy-assisted-lumbar-discectomy-a-case-report
#4
Yasutaka Takagi, Hiroshi Yamada, Hidehumi Ebara, Hiroyuki Hayashi, Satoshi Kidani, Kazu Toyooka, Yoshiyuki Kitano, Kenji Kagechika, Hiroyuki Tsuchiya
BACKGROUND: Although microendoscopy-assisted lumbar discectomy for lateral or extraforaminal lumbar disc herniations via the lateral approach has previously been reported, microendoscopy-assisted lumbar discectomy for central or paramedian disc herniations via the lateral approach has not been reported. We report the first case of recurrent upper lumbar disc herniation (L2-L3) treated with microendoscopy-assisted lumbar discectomy via the transforaminal approach. No microendoscopy-assisted lumbar discectomy for recurrent upper lumbar disc herniation via the transforaminal approach has previously been reported...
April 27, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29662750/return-to-play-in-adolescent-athletes-with-symptomatic-spondylolysis-without-listhesis-a-meta-analysis
#5
REVIEW
Samuel C Overley, Steven J McAnany, Steve Andelman, Jun Kim, Robert K Merrill, Samuel K Cho, Sheeraz A Qureshi, Andrew C Hecht
Study Design: Meta-analysis. Objectives: To assess return to play (RTP) rates in adolescent athletes with lumbar spondylolysis without spondylolisthesis treated conservatively or operatively. Methods: A review of Medline, EMBASE, and Cochrane Reviews was performed. The pooled results were performed by calculating the effect size based on the logit event rate. Studies were weighted by the inverse of the variance. Confidence intervals were reported at 95%...
April 2018: Global Spine Journal
https://www.readbyqxmd.com/read/29593182/high-defect-stage-contralateral-defects-and-poor-flexibility-are-negative-predictive-factors-of-bone-union-in-pediatric-and-adolescent-athletes-with-spondylolysis
#6
Kazufumi Yamazaki, Shintaro Kota, Daisuke Oikawa, Yoshiji Suzuki
PURPOSE: To identify predisposition to spondylolysis and physical characteristics associated with "bone union" following conservative spondylolysis treatment among pediatric and adolescent athletes. METHODS: We retrospectively analyzed pediatric and adolescent athletes with spondylolysis who underwent conservative treatment and rehabilitation for three or more consecutive months following sports activity cessation. Patients with terminal spondylolysis or who did not discontinue sports activities were excluded...
2018: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/29569131/acquired-spondylolysis-and-spinopelvic-sagittal-alignment
#7
Farzam Vazifehdan, Vasilios G Karantzoulis, Vasilios G Igoumenou
Acquired spondylolysis represents an uncommon complication of spine surgery, of an unknown incidence and etiology. We studied patients presenting this rare entity, with the purpose to investigate the incidence, imaging findings, patients' clinical characteristics, as well as to provide an interpretation of the mechanisms that may lead to this phenomenon. The presented working hypothesis, regarding etiology, suggests that there is a relation between variations in spinopelvic sagittal alignment and acquired spondylolysis...
March 22, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29548343/double-level-lumbar-spondylolysis-and-spondylolisthesis-a-retrospective-study
#8
Shengtao Zhang, Conglin Ye, Qi Lai, Xiaolong Yu, Xuqiang Liu, Tao Nie, Haibo Zhan, Min Dai, Bin Zhang
BACKGROUND: Lumbar spondylolysis and isthmic spondylolisthesis are common conditions. However, double-level lumbar spondylolysis and spondylolisthesis are rare. We report 24 cases of it along with a review of literature and a briefly description of the clinical and radiological features and integrated management of patients with this condition. METHODS: Of 1700 inpatients diagnosed with lumbar spondylolisthesis at our hospital between January 2008 and September 2015, we selected those with a diagnosis of double-level spondylolisthesis who underwent surgery...
March 16, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29479057/osteoid-osteoma-can-occur-at-the-pars-interarticularis-of-the-lumbar-spine-leading-to-misdiagnosis-of-lumbar-spondylolysis
#9
Teruaki Ono, Akio Sakamoto, Osamu Jono, Atsushi Shimizu
BACKGROUND Osteoid osteomas are benign bone-forming tumors characterized by local inflammation and pain. They are also characterized by a small osteolytic lesion (nidus). Spondylolysis is a defect of the pars interarticularis, which may lead to stress fractures, and is a common cause of low back pain in adolescence. Osteoid osteoma occurs predominantly in the posterior elements of the spine. Magnetic resonance imaging (MRI) signal abnormality suggesting bone marrow edema is a common finding in osteoid osteoma and early-stage spondylolysis without prominent defect...
February 26, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29433177/trabecular-anatomy-of-the-axis-vertebra-a-study-of-shaded-volume-rendered-computed-tomography-images
#10
K Venugopal Menon, Sameer B Raniga
BACKGROUND: To date, trabecular morphology studies have been conducted on thin-section computed tomography (CT) scans of cadaveric bone. Here we describe the trabecular anatomy of the axis vertebra as revealed by an innovative imaging tool. METHODS: Ten patients who underwent thin-slice CT scans for suspected cervical spine injury were prospectively subjected to shaded volume-rendered 3-dimensional reconstruction of the images. The trabecular anatomy thus depicted was recreated, and the mechanical vectors were deduced independently by a senior radiologist and spine surgeon and then matched...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29354748/spondylolisthesis-with-spondylolysis-in-a-17-month-old-a-case-report
#11
Marc O'Donnell, William F Lavelle, Mike H Sun
Spondylolysis is frequently seen in adolescents, typically at the L5 vertebral level. While there may be a congenital predisposition for spondylolysis, it has long been suggested that the defect results from a fatigue or stress fracture of the pars interarticularis. Spondylolisthesis may result from a bilateral spondylolytic defect and is frequently asymptomatic. There is a paucity of literature on infant and toddler spondylolysis, as the focus is primarily on school-aged children, typically those over ten years of age...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29290131/a-comparison-of-the-techniques-of-direct-pars-interarticularis-repairs-for-spondylolysis-and-low-grade-spondylolisthesis-a-meta-analysis
#12
Nasser Mohammed, Devi Prasad Patra, Vinayak Narayan, Amey R Savardekar, Rimal Hanif Dossani, Papireddy Bollam, Shyamal Bir, Anil Nanda
OBJECTIVE Spondylosis with or without spondylolisthesis that does not respond to conservative management has an excellent outcome with direct pars interarticularis repair. Direct repair preserves the segmental spinal motion. A number of operative techniques for direct repair are practiced; however, the procedure of choice is not clearly defined. The present study aims to clarify the advantages and disadvantages of the different operative techniques and their outcomes. METHODS A meta-analysis was conducted in accordance with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines...
January 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29276206/utility-of-stir-mri-in-detecting-the-pain-generator-in-asymmetric-bilateral-pars-fracture-a-report-of-5-cases
#13
Kazuta Yamashita, Toshinori Sakai, Yoichiro Takata, Fumio Hayashi, Fumitake Tezuka, Masatoshi Morimoto, Yutaka Kinoshita, Akihiro Nagamachi, Takashi Chikawa, Hiroshi Yonezu, Kosaku Higashino, Tadanori Sakamaki, Koichi Sairyo
Lumbar spondylolysis usually occurs as a stress fracture in the pars interarticularis of the vertebra. It is a prevalent sports-related disorder and a common cause of low back pain. We encountered five athletes (4 males, 1 female) with severe low back pain. Mean age was 14.5 years. All five patients were found to have bilateral pars fracture. In all cases, staging based on the findings from computed tomography scan of the right and left pars fracture was different. On short tau inversion recovery magnetic resonance imaging (STIR-MRI) of the comparatively newer more recently injured side, high signal intensity changes were obvious and dominant at the intra- and extraosseous area, which would indicate tissue edema and/or bleeding...
February 15, 2018: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/29198391/spondylolysis-in-the-past-a-case-study-of-hunter-gatherers-from-southern-patagonia
#14
M D D'Angelo Del Campo, J A Suby, P García-Laborde, R A Guichón
Spondylolysis is a fracture of the pars interarticularis, the portion of the neural arch that lies between the superior articular facets and the inferior articular facets. Clinical evidence has suggested repetitive trauma to be the most probable cause, even though morphological weakness of the vertebra is probably also involved. Prevalence is between 3% and 8% in modern populations, while in archaeological samples it varies from 0% to 71.4%. Considering that very little data about this condition is available in past populations from the southern extreme of South America, the aim of this paper is to analyze the spondylolysis in a human skeletal sample from Southern Patagonia and, at the same time, to explore the prevalence of spondylolysis in archaeological contexts around the world to gain a better understanding of the results presented here...
December 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/29021675/surgical-treatment-of-bilateral-nondisplaced-isthmic-lysis-by-interlaminar-fixation-device
#15
Keyvan Mostofi, Reza Karimi Khouzani
STUDY DESIGN: Spondylolysis is a defect in the portion of pars interarticularis. The latter affects approximately 6% of the population. It is caused by repetitive trauma in hyperextension. Low back pain is the most common symptom. METHODS: We implanted interspinous process devices in 12 patients with isthmic lysis without spondylolisthesis for low back pain. The purpose of the surgery was to conduct a minimally invasive procedure. RESULTS: In eight cases, patients became asymptomatic...
July 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28817410/fatty-infiltrate-of-the-lumbar-multifidus-muscles-predicts-return-to-play-in-young-athletes-with-extension-based-low-back-pain
#16
John Winslow, Andrew Getzin, Hilary Greenberger, Walter Silbert
OBJECTIVE: To evaluate the predictive value of fatty infiltrate of the lumbar multifidus muscles (LMM) for return to play in young athletes with extension-based low back pain (EB LBP). DESIGN: Retrospective cohort study. SETTING: Hospital-based sports medicine practice. PATIENTS: Sixty-two athletes, 61.3% female, and 38.7% male, mean age 14.8 years, with a primary complaint of EB LBP who underwent magnetic resonance imaging (MRI); 46...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28765098/vertebral-body-bone-mineral-density-in-patients-with-lumbar-spondylolysis-a-quantitative-ct-study
#17
Naciye Sinem Gezer, Ali Balcı, Orhan Kalemci, Nevin Köremezli, Işıl Başara Akın, Koray Ur
PURPOSE: Spondylolysis is known to be a part of a disease process, which describes a defect in the pars interarticularis of vertebra. We aimed to use quantitative computed tomography (QCT) to measure vertebral body bone mineral density (BMD) in patients with lumbar spondylolysis and compare it with readings in controls. METHODS: Forty symptomatic patients with lumbar spondylolysis aged 18-52 years and 40 matched controls of same sex and approximate age (±2 years) were included in the study...
September 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/28760039/neuronavigation-and-3d-fluoroscopy-guided-lag-screw-reduction-and-osteosynthesis-for-traumatic-spondylolistheses-of-the-axis-a-path-worth-exploring
#18
Jan-Philip Zeden, Jan-Uwe Müller, Ehab Ahmed Mohamed El Refaee, Henry W S Schroeder, Dirk T Pillich
OBJECTIVE In traumatic spondylolistheses of the axis, there is a marked heterogeneity of the observed injury patterns, with a wide range of the severity-from stable fractures, which can be treated conservatively with very good success, to highly unstable fractures, which should be treated surgically. A number of classification systems have been devised to assess the instability of the injuries and to derive a corresponding therapy recommendation. In particular, the results and recommendations regarding medium-severity cases are still inconclusive...
August 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28673735/properties-of-paraspinal-muscles-in-japanese-high-school-baseball-players-with-terminal-stage-lumbar-spondylolysis
#19
Hiroyuki Tsuboi, Yukihide Nishimura, Takeshi Sakata, Hideaki Tanina, Hideki Arakawa, Takeshi Nakamura, Yuichi Umezu, Fumihiro Tajima
BACKGROUND: Lumbar spondylolysis is a defect in the pars interarticularis that is common in young athletes; the stress distribution at the pars interarticularis is the highest in extension and rotation movements. The paraspinal muscles play an important role in stabilization of the lumbar spine; however, no study has assessed the properties of paraspinal muscles in athletes with lumbar spondylolysis. OBJECTIVE: To evaluate the properties of paraspinal muscles in athletes with lumbar spondylolysis...
February 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28670412/facture-of-the-pars-interarticularis-with-or-without-spondylolisthesis-in-an-adult-population-in-a-developing-country-evaluation-by-multidetector-computed-tomography
#20
Sohail Ahmed Khan, Amjad Sattar, Usman Khanzada, Hatem Adel, Syed Omair Adil, Munawar Hussain
STUDY DESIGN: Descriptive cross-sectional study. PURPOSE: To determine the prevalence of lumbar spondylolysis and spondylolisthesis in a general adult population unrelated to lower back pain as evaluated by multidetector computed tomography. OVERVIEW OF LITERATURE: There is a significant paucity of information related to the prevalence of spondylolysis and spondylolisthesis and its degenerative changes in a general adult population unrelated to lower back pain in developing countries...
June 2017: Asian Spine Journal
keyword
keyword
99515
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"