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Results for “SPINAL DISEASES”

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At least 469 records · Page 26Linked to original sources
PubMed1984

Cluster of acute infantile spinal muscular atrophy (Werdnig-Hoffmann disease) in a limited area of Reunion Island.

A retrospective study of Werdnig-Hoffmann disease (spinal muscular atrophy type I) was undertaken on Reunion Island. Nineteen WH cases born between 1969 and 1980 were recorded belonging to thirteen sibships of the European population of the island. Genealogical analysis, going back to the XVIIth century (1642), showed a relationship among the 13 families, which were derived from a common ancestral pair. A founder effect is the most probable explanation for the concentration of Werdnig-Hoffmann disease in the area.

Adolescent↗
PubMed1998

Clean intermittent catheterization and prevention of renal disease in spinal cord injury patients.

Upper urinary tract complications have been reported in about 20-30% of spinal cord injury patients. Their pathogenesis is linked to the presence of high-pressure uninhibited detrusor contractions, high leak point pressure and low bladder compliance. The aim of this study was to evaluate the incidence of upper urinary tract complications in two homogeneous groups of spinal cord injury patients with different bladder emptying modalities (intermittent catheterization vs. tapping, abdominal straining, Crede's manoeuvre) and the relationship with clinic and urodynamic features. A total of 17 patients (22%) had upper urinary tract complications. The incidence of both urinary tract dilatation and vesicoureteral reflux was significantly lower in patients having intermittent catheterization (P = 0.03 and 0.04 respectively). Intermittent catheterization thus seems to be effective in preventing upper urinary tract disease in spinal cord injury patients requiring mechanical bladder emptying modalities. The finding of upper urinary tract complications also in patients having intermittent catheterization showing high intravesical pressures stresses the need of adding anticholinergic medications to the rehabilitation regimen of these patients.

Adult↗
PubMed1988

Cervical spine: MR imaging with a partial flip angle, gradient-refocused pulse sequence. Part II. Spinal cord disease.

A magnetic resonance imaging pulse sequence (GRASS) with a short repetition time (TR), short echo time (TE), partial flip angle, and gradient refocused echo was prospectively evaluated for the detection of cervical cord disease that caused minimal or no cord enlargement in eight patients. Sagittal T2-weighted, cerebrospinal fluid (CSF)-gated images and sagittal and axial GRASS images were obtained in all patients. The following GRASS parameters were manipulated to determine their effect on signal-to-noise ratio (S/N) and contrast: flip angle (4 degrees-18 degrees), TR (22-50 msec), and TE (12.5-25 msec). Flip angle had the greatest effect on S/N and contrast. There were no differences between axial and sagittal imaging for the spinal cord or lesion. However, because the signal intensity of CSF did differ on sagittal and axial images and because this influenced the conspicuity of lesions, there was a difference in the useful flip angle range for axial and sagittal imaging. No one set of imaging parameters was clearly superior, and in all patients, the gated image was superior to the sagittal GRASS image in lesion detection. GRASS images should be used in the axial plane primarily to confirm spinal cord disease detected on sagittal CSF-gated images. For this, a balanced approach is suggested (TR = 40 msec, TE = 20 msec, with flip angles of 4 degrees-6 degrees for sagittal and 6 degrees-8 degrees for axial imaging).

Humans↗
PubMed2002

The use of magnetic motor evoked potentials in horses with cervical spinal cord disease.

The aim of this study was to investigate the use of magnetic motor evoked potentials as an ancillary diagnostic test in horses with cervical cord lesions. Transcranial magnetic stimulation was performed in 12 ataxic horses and the results of the evoked responses were compared to those found in normal horses. The latency and peak-to-peak amplitude of the potentials in the 12 ataxic horses were significantly different from those measured in normal horses. The configuration of the abnormal potentials was also polyphasic. Normalisation of the evoked potentials occurred in none of the horses, presented after a period of clinical improvement. These findings demonstrate that the technique is also able to detect lesions in horses with subtle clinical signs of incoordination. Magnetic transcranial stimulation is a valuable ancillary test to assess the integrity of the motor tracts. The technique is painless and safe and shows good sensitivity to detect lesions along the descending motor pathways.

Animals↗
PubMed1980

Frequency of faecal Klebsiella aerogenes in patients with ankylosing spondylitis and controls with respect to individual features of the disease.

A study of 59 patients with definite ankylosing spondylitis and 41 comparable hospital outpatients with fractures has been undertaken to determine if the presence of faecal Klebsiella aerogenes is related to clinical activity of the spinal disease and its extraspinal features. The frequencies of fecal K. aerogenes were similar in both patients and controls and were not significantly related to spinal disease activity. Careful inquiry about antibiotic treatment, dietary habits, and hospitalisation did not significantly influence the results. A significant association was found between the presence of faecal K. aerogenes and both acute non-granulomatous anterior uveitis (P less than 0.01) and peripheral synovitis in HLA B27 positive patients (P less than 0.05). These results suggest that K. aerogenes may have an aetiological role in the development of non-granulomatous anterior uveitis and peripheral arthritis in patients with ankylosing spondylitis but do not lend support to this organism having such a role in the spinal disease itself.

Acute Disease↗
PubMed1980

Spinal arachnoiditis: disease or coincidence?

In 86% of 63 patients with spinal arachnoiditis the localization was lumbosacral, and in 14% it was cervical or thoracic. The most important aetiological factor was the combination of one or more myelographies with one or more operations. It is remarkable that in most patients with lumbosacral arachnoiditis the clinical picture did not show new or typical signs of arachnoiditis, but was the same as before the arachnoiditis had developed. In only 20% of patients with lumbosacral arachnoiditis, and in all patients with cervical or thoracic arachnoiditis, did new signs and symptoms occur concomitantly with and due to the development of the arachnoiditis. The results of this retrospective study suggest that lumbosacral arachnoiditis is a coincidental finding in the majority of cases, without clinical consequences.

Adolescent↗
PubMed1994

Pattern of disease in spinal cord compression on MRI scan and implications for treatment.

Recent trends in the management of bone metastases include the use of prophylactic bisphosphonates and low dose single fraction radiotherapy in favour of high dose fractionated radiotherapy. A recent animal model [1] suggests that cord compression is often associated with predominant soft tissue epidural disease, with bone collapse as a late event. In the present study, potential implications were investigated by retrospective evaluation of the pattern of disease on MRI scans of patients with spinal cord compression. The dominant component of spinal cord compression was determined in 62 patients. Two main patterns were identified, 45 (73%) had predominant soft tissue epidural disease and 15 (24%) had bone collapse. There were two with intrathecal deposits. The patterns were correlated with response to radiotherapy. Positive response was observed in 64% of those with soft tissue epidural disease and 27% of those with bone collapse. These data support the animal model, suggesting soft tissue epidural disease rather than collapse as the predominant cause of cord compression. This implies that prophylactic bisphosphonates alone would be unlikely to reduce the incidence of spinal cord compression. It also introduces concern about the long term safety of low dose single fraction radiotherapy for bone metastases in patients with a medium term life expectancy (e.g. > 2 years). These patients may benefit from more than a single fraction of radiotherapy to produce longer growth delay for sub-clinical epidural disease.

Adolescent↗
PubMed2006

Metastatic disease from spinal chordoma: a 10-year experience.

OBJECT: Metastastic lesions have been reported in 5 to 40% of patients with spinal and sacrococcygeal chordoma, but few contemporary series of chordoma metastastic disease exist in the literature. Additionally, the outcome in patients with chordoma-induced metastastic neoplasms remains unclear. The authors performed a retrospective review of the neurosurgery database at the University of Texas M. D. Anderson Cancer Center in Houston to determine the incidence of metastatic disease in a contemporary series of spinal and sacrococcygeal chordoma as well as to determine the outcomes. METHODS: Thirty-seven patients underwent surgery for spinal and sacrococcygeal chordoma between June 1, 1993, and March 31, 2004. All records were reviewed, and appropriate statistical analyses were used to compare patient data for preoperative characteristics, treatments, and outcomes. The authors identified seven patients (19%) in whom metastatic disease developed; in three the disease had metastasized to the lungs only, in two to the lungs and liver, and in two to distant locations in the spine. There were no significant differences in age, sex, tumor location, or history of radiation treatments between patients with and those without metastases. In cases with local recurrent tumors, metastastic disease was more likely to develop than in those without recurrence (28 compared with 0%, respectively; p = 0.07). In two (12%) of 17 patients who underwent en bloc resection, metastatic disease developed, whereas it developed in five (25%) of 20 patients treated by curettage (p = 0.42). The median time from first surgery to the appearance of metastatic disease, as calculated using the Kaplan-Meier method, was 143.4 months (95% confidence interval [CI] 66.8-219.9). The median survival duration of patients with metastatic disease after the first surgery was 106 months (95% CI 55.7-155.7), and this did not differ significantly from that in patients in whom no metastases developed (p = 0.93). CONCLUSIONS: Spinal chordoma metastasized to other locations in 19% of the patients in this series. In patients with local disease recurrence, metastatic lesions are more likely to develop. Metastatic lesions were shown to be aggressive in some cases. Surgery and chemotherapy can play a role in controlling metastatic disease.

Adult↗