Correlation of axial loaded magnetic resonance imaging with clinical symptoms in lumbar spinal canal stenosis patients

MedPharmRes ◽  
2019 ◽  
Vol 2 (4) ◽  
pp. 15-19
Author(s):  
Son Nguyen ◽  
Son Vi ◽  
Hoat Luu ◽  
Toan Do

There are cases when symptoms are available but no abnormal stenosis is found in MRI and vice versa. Axial-loaded MRI has been shown that it can demonstrate more accurately the real status of spinal canal stenosis than conventional MRI. This is the first time we applied a new system that we have recreated from the original loading frame system in order to fit with the demands of Vietnamese people. Sixty-two patients were selected from Phu Tho Hospital in Phu Tho Province, Vietnam, who fulfilled the inclusion criteria. The Anterior-posterior diameter (APD), Dura Cross-sectional Area (DSCA) in conventional MRI and axial loaded MRI, and changes in APD and DCSA were determined at the single most constricted intervertebral level. The APD and DCSA in axial loaded MRI had very good significant correlations with VAS for back pain (rs=0.83, 0.79), leg pain (rs=0.69, 0.57) and JOA score (rs=0.70, 0.65). APD and DCSA in axial loaded MRI significantly correlated with the severity of symptoms. Our axial loading MRI provides more valuable information than the conventional MRI for assessing patients with LSCS.

2019 ◽  
Vol 48 (Supplement_4) ◽  
pp. iv28-iv33
Author(s):  
Takeshi Shintani ◽  
Shingo Otsuki ◽  
Masashi Hashimoto ◽  
Satoshi Tagashira ◽  
Kazuaki Kinoshita

Abstract Introduction Lumbar spinal canal stenosis (LSCS) is not always correlated with spinal stenosis and severity of clinical symptoms. Although, it is important for trunk muscle function to enhance the dynamic stability of the lumbar spine, however few studies have reported on this. We hypothesized that trunk muscle function and gait ability of LSCS patients are related. This study aimed to clarify the association between trunk muscle function, using Side Bridge test (SB), and gait ability of LSCS patients. Methods The subjects were 42 patients with LSCS: 17 supported the trunk by the foot (F-group), and 25 supported the trunk by the knee (K-group) in the SB test. The SB test was performed to determine the posture holding time. Gait ability was evaluated by measuring the time of 10-m walk test (10MWT) preoperatively and 2 weeks postoperatively. The 2 weeks postoperative 10MWT was divided by the preoperative 10MWT to calculate the 10MWT change rate. The contents of this study were the relation between SB test and preoperative 10MWT, SB test and 10MWT change rate in each group. Moreover, the median value of SB test was calculated for both groups; based on these values, the patients were categorized into high-value and low-value groups. Differences between the 10MWT and 10MWT change rates of both groups were examined using Mann-Whitney U-test. Results There was a significant correlation between SB test and 10MWT (F-group: r=-0.63, p=0.004; K-group: r=-0.59, p = 0.002), 10 MWT change rate (F-group: r=-0.59, p=0.01; K-group: r=-0.41, p=0.04). With respect to the 10MWT, the high-value group was significantly faster than the low-value group (F-group: p=0.02, K-group: p=0.03), and with respect to the 10MWT change rate, the high-value group was significantly better than the low-value group (F-group: p=0.02, K-group: p=0.01). Conclusion Trunk muscle function is associated with gait ability of LSCS patients.


1989 ◽  
Vol 37 (3) ◽  
pp. 1142-1145
Author(s):  
Shinji Tomari ◽  
Touru Akiyama ◽  
Tatsuoki Mashima ◽  
Fusao Naruto ◽  
Tetsuya Toshimitsu ◽  
...  

2011 ◽  
Vol 52 (9) ◽  
pp. 1024-1031 ◽  
Author(s):  
Petri Sipola ◽  
Ville Leinonen ◽  
Riikka Niemeläinen ◽  
Timo Aalto ◽  
Ritva Vanninen ◽  
...  

Background Lateral lumbar spinal canal stenosis is a common etiology of lumbar radicular symptoms. Quantitative measurements have commonly demonstrated better repeatability than visual assessments. We are not aware of any studies examining the repeatability of quantitative assessment of the lateral canal. Purpose To evaluate the repeatability of visual assessments and newly developed quantitative measurements of lateral lumbar spinal canal stenosis using magnetic resonance imaging (MRI). Material and Methods Twenty-eight patients with lateral lumbar spinal canal stenosis or prior spinal surgery with recurrent symptoms were imaged with MRI. A radiologist, a neurosurgeon and a spine research trainee graded visually and quantitatively subarticular ( n = 188) and foraminal zones ( n = 260) of the lateral spinal canal. Quantitative measurements included the minimal subarticular width and the cross-sectional area of the foramen. Results The repeatability of visual assessment at the subarticular zone and foraminal zones between raters varied from 0.45-0.59 and 0.42-0.53, respectively. Similarly, the intraclass correlation coefficients for the quantitative measurements varied from 0.67-0.71 and 0.66-0.76, respectively. The intra-rater repeatability for the visual assessments of the subarticular and foraminal zones was 0.70 and 0.62, respectively, while the corresponding intraclass correlation coefficients for quantitative measurements were 0.83 and 0.81, respectively. Conclusion Inter-rater repeatability of visual assessments of lateral stenosis is moderate, whereas quantitative measurements of both subarticular width and the cross-sectional area of the foramen have substantial reproducibility and may be particularly useful for longitudinal studies and research purposes. The clinical value of these parameters requires further study.


Spine ◽  
2012 ◽  
Vol 37 (16) ◽  
pp. E985-E992 ◽  
Author(s):  
Haruo Kanno ◽  
Toshiki Endo ◽  
Hiroshi Ozawa ◽  
Yutaka Koizumi ◽  
Naoki Morozumi ◽  
...  

Medicina ◽  
2021 ◽  
Vol 57 (3) ◽  
pp. 237
Author(s):  
Woo-Jin Choi ◽  
Seung-Kook Kim ◽  
Manhal Alaraj ◽  
Hyeun-Sung Kim ◽  
Su-Chan Lee

Background and Objectives: Symptomatic adjacent segment degeneration (ASD) with lumbar spinal canal stenosis (LSCS) is a common complication after spinal intervention, particularly interbody fusion. Stand-alone posterior expandable cages enable interbody fusion with preservation of the previous operation site, and screw-related complications are avoided. Thus, the aim of this study was to investigate the clinicoradiologic outcomes of stand-alone posterior expandable cages for ASD with LSCS. Materials and Methods: Patients with persistent neurologic symptoms and radiologically confirmed ASD with LSCS were evaluated between January 2011 and December 2016. The five-year follow-up data were used to evaluate the long-term outcomes. The radiologic parameters for sagittal balance, pain control (visual analogue scale), disability (Oswestry Disability Index), and early (peri-operative) and late (implant) complications were evaluated. Results: The data of 19 patients with stand-alone posterior expandable cages were evaluated. Local factors, such as intervertebral and foraminal heights, were significantly corrected (p < 0.01 and p < 0.01, respectively), and revision was not reported. The pain level (p < 0.01) and disability rate (p < 0.01) significantly improved, and the early complication rate was low (n = 2, 10.52%). However, lumbar lordosis (p = 0.62) and sagittal balance (p = 0.80) did not significantly improve. Furthermore, the rates of subsidence (n = 4, 21.05%) and retropulsion (n = 3, 15.79%) were high. Conclusions: A stand-alone expandable cage technique should only be considered for older adults and patients with previous extensive fusion. Although this technique is less invasive, improves the local radiologic factors, and yields favorable clinical outcomes with low revision rates, it does not improve the sagittal balance. For more widespread application, the strength of the cage material and high subsidence rates should be improved.


Author(s):  
Seiji Takashio ◽  
Masato Nishi ◽  
Yuichiro Tsuruta ◽  
Kenichi Tsujita

Abstract Background Wild-type transthyretin amyloid cardiomyopathy (ATTRwt-CM) is receiving increasing attention due to the availability of novel treatment options. Carpal tunnel syndrome (CTS) and lumbar spinal canal stenosis are known early symptoms of transthyretin (TTR) amyloidosis preceding the cardiac involvement and are considered as ‘Red Flags’ for transthyretin amyloid cardiomyopathy (ATTR-CM). Case summary A 67-year-old man with a history of lumbar spinal canal stenosis for the last 10 years, right rotator cuff tears for the last 4 years, and bilateral CTS for the last 1 year was scheduled for orthopaedic surgery for lumbar spinal canal stenosis. Investigations revealed severe left ventricular hypertrophy and hypertroponinaemia, which were suggestive of cardiac amyloidosis. Cardiac magnetic resonance imaging and 99mTc-labelled pyrophosphate scintigraphy demonstrated positive findings for ATTR-CM. Transthyretin deposition was found in both the myocardium and the yellow ligamentum excised during surgery. There was no transthyretin mutation on genetic testing. The final diagnosis was ATTRwt-CM. Discussion Transthyretin deposition in the ligaments or tendons has been observed in a number of patients with CTS, spinal canal stenosis, and rotator cuff tears. These orthopaedic diseases are predictive for the future occurrence of ATTR-CM. In addition, the coexistence of these multiple diseases might strongly predict ATTR-CM. This knowledge needs to be shared with orthopaedicians and cardiologists for the early diagnosis of ATTR-CM.


1987 ◽  
Vol 35 (3) ◽  
pp. 888-891
Author(s):  
Hirofumi Harada ◽  
Kenji Utsunomiya ◽  
Shougo Masumi ◽  
Nobutaka Kuroya

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