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PubMed1994

Chronic spinal cord injury.

Spinal cord injuries predispose patients to numerous complications. The care of such patients requires attention to multiple bodily systems, sensitivity to the effects of interventions on function and lifestyle, and a special vigilance because of the tendency of spinal cord injuries to mask problems. Improved clinical care, however, has increased the life expectancy of people with spinal cord injuries and therefore the prevalence of such injuries. The Americans with Disabilities Act should make people with spinal injuries more visible, as they participate in and contribute to society in greater numbers. Maintenance of health brings greater opportunities for self-care and mobility through rehabilitation and may allow people with spinal cord injuries to take advantage of future opportunities for neurologic improvement or cure.

Chronic Disease↗
PubMed2006

[Pathophysiology of acute spinal cord injury].

Spinal cord injury is one of the most devastating of all traumatic conditions that can be encountered by patients. Over the past years much research has been performed on elucidating the mechanisms of spinal cord injury. Experimental and clinical studies have suggested that acute spinal cord injury is a two-step process involving primary and secondary mechanisms. Primary injury of the spinal cord refers to the initial mechanical damage due to local deformation of the spine. Direct compression and damage of neural elements and blood vessels by fractured and displaced bone fragments or disc material occur after mechanical trauma. The secondary mechanism is initiated by the primary injury. The secondary mechanism includes a cascade of biochemical and cellular processes, such as electrolyte abnormalities, formation free radicals, vascular ischemia, edema, posttraumatic inflammatory reaction, apoptosis or genetically programmed cell death and another processes. This review describes the pathophysiology of acute spinal cord injury. Knowledge of the pathophysiology of the acute spinal cord injury is crucial for successful management of the patients with these injuries.

Adult↗
PubMed2006

Spinal injuries in Irish rugby: a ten-year review.

This study assessed the frequency of acute injury to the spinal cord in Irish Rugby over a period of ten years, between 1995 and 2004. There were 12 such injuries; 11 were cervical and one was thoracic. Ten occurred in adults and two in schoolboys. All were males playing Rugby Union and the mean age at injury was 21.6 years (16 to 36). The most common mechanism of injury was hyperflexion of the cervical spine and the players injured most frequently were playing at full back, hooker or on the wing. Most injuries were sustained during the tackle phase of play. Six players felt their injury was preventable. Eight are permanently disabled as a result of their injury.

Activities of Daily Living↗
PubMed1997

Vesico-ureteric reflux in adult patients with spinal injury.

OBJECTIVES: To review the incidence, aetiology, treatment and prognosis of vesico-ureteric reflux (VUR) in patients in a regional spinal injuries centre. PATIENTS AND METHODS: A retrospective review of radiological investigations revealed 34 of 447 (8%) patients with VUR on at least one study. The notes of these patients were examined to determine their management and outcome. RESULTS: Most patients developed VUR within 4 years of injury; the underlying intravesical pressure was high in half the patients studied. Patients were managed aggressively with a variety of medical and surgical techniques. The VUR of 15 patients resolved completely and in three patients there was some improvement. Renal function deteriorated in three patients as assessed by isotopic scanning. Two patients were transferred to our unit in end-stage renal failure associated with VUR and died within one year. CONCLUSIONS: VUR continues to be a problem in patients with spinal injury and remains potentially fatal through the effects of high transmitted pressure and infection. Renal failure does not always develop as a consequence of the combination of VUR and high intravesical pressure. No single aetiological factor for VUR was found. With active early treatment, the incidence of VUR can be minimized and long-term complications avoided.

Adolescent↗
PubMed2000

Pediatric spinal injury.

Spine injury in children thankfully is still a relatively rare injury. The incidence of pediatric spine injuries has been reported as 2% to 5% of all spine injuries. The biological differences of children make differences in fracture patterns and alter the management necessary for successful treatment. The other factors that affect fracture production and associated injuries are head size relative to the body size, flexibility of the spine and supporting structures, the growth plates, and the elasticity and compressibility of the bone. The majority of compression injuries in children are made up of falls from a height. Spinal injuries in children remain a challenge despite some technical changes in assessment and treatment.

Child↗
PubMed1984

Thyrotropin-releasing hormone in experimental spinal injury: dose response and late treatment.

Early treatment with thyrotropin-releasing hormone (TRH) at high doses improves neurologic recovery from experimental spinal injury in cats. We have now compared the effects of TRH dose and time of treatment on neurologic outcome. TRH-treated animals showed better motor recovery than saline controls; effects were dose-related (between 0.02 mg/kg/hr and 2.0 mg/kg/hr), with significant effects even at the lowest dose. Cats treated at 24 hours after injury also improved significantly. These findings provide additional support for TRH trials in human spinal injury and suggest that even late treatment may be effective.

Animals↗
PubMed1998

Spinal injury rehabilitation in Singapore.

Traumatic spinal cord injuries (SCI) are often preventable. In order to determine the characteristics and rehabilitation outcome of our spinal injured, we carried out a retrospective study of SCI patients admitted between January 1990 and December 1995 to the only spinal rehabilitation centre in Singapore. There was a total of 231 patients with ages between 14 and 82 years. The majority (73.6%) were below the age of 50. There was a male preponderance (83.1%) and a significant proportion of foreigners (20.3%). The most common causes of injuries were falls (50.7%) and road traffic accidents (37.2%). Damage to the cervical spine predominated (53.7%), followed by the thoracolumbar junction (23.4%). At the end of rehabilitation, the number of patients who were Frankel D/E improved significantly from 61 to 136. Sixty-eight patients were able to ambulate independently without aid and total independence in activities of daily living was achieved in 45 patients. The majority (87.9%) were discharged to their own homes. Of those who returned for follow-up, 86.3% were gainfully employed at the time of injury but only 21.6% had returned to some form of vocation within 1 year.

Accidental Falls↗
PubMed1995

Differentiated thyroid carcinoma as a cause of cervical spinal injury.

Cervical cord compression due to local extension of differentiated thyroid carcinoma (DTC) is an extremely rare condition and, to our knowledge, only one case has been reported in the literature. Among 256 patients with DTC treated at our hospital, we have observed 3 cases of spinal injury due to local extension of DTC. A Brown-Séquard syndrome was detected at physical examination in 2 cases. In both patients, cervical cord compression precipitated a fatal event. In the remaining patient, a radiculopathy C5-C7 was observed. Magnetic resonance imaging was very successful in outlining the mass, clearly differentiating the extrinsic invasion from a metastasis, and allowing the surgical possibilities to be evaluated. Poor cervical uptake of 131I was observed on scans performed in two cases, suggesting a certain degree of cell dedifferentiation. We suggest that cervical spinal injury due to local extension of DTC may be an underreported complication of DTC that seems to condition the patient's outcome. Careful neurological examination is warranted in patients with DTC at stages III-IV and magnetic resonance imaging must be performed when spinal injury is suspected.

Adenocarcinoma, Follicular↗
PubMed2005

Sacral nerve stimulation for faecal incontinence in patients with previous partial spinal injury including disc prolapse.

BACKGROUND: This study examined the use of sacral nerve stimulation (SNS) to treat faecal incontinence in patients with partial spinal injury. METHODS: Patients selected for SNS had experienced more than one episode of faecal incontinence per week to liquid or solid stool for more than 1 year and had failed maximal conservative treatment. All patients had an intact external anal sphincter. RESULTS: Temporary SNS was performed in 13 patients (median age 58.5 (range 39-73) years). The spinal insults were disc prolapse (six), trauma (four), spinal stenosis (one) or occurred during neurosurgery (two). Twelve patients (eight women and four men) had successful temporary stimulation and proceeded to permanent implantation. The median follow-up time was 12 (range 6-24) months. The mean(s.d.) number of episodes of incontinence decreased from 9.33(7.64) per week at baseline to 2.39(3.69) at last follow-up (P = 0.012). The number of days per week with incontinence and staining decreased significantly (both P < 0.001). Ability to defer defaecation improved from a median of not being able to defer (range 0-1 min) to being able to defer for 5-15 (range 0 to over 15) min (P = 0.022). CONCLUSION: SNS can benefit patients with faecal incontinence following partial spinal injury.

Adult↗
PubMed1998

Spinal injuries in ice hockey.

SportSmart Canada maintains a registry of spinal injuries in hockey and has documented 214 cases of fracture or dislocation of the spine, occurring mainly in North America since 1966. The current annual incidence is approximately 15 cases per year and may be declining as a result of intense prevention programs. Most of the injuries have been to the cervical spine in players 16 to 20 years of age playing supervised games. Checking from behind causing impact of the head against boards has been an important cause of injury, especially for those injuries resulting in neurological deficit.

Adolescent↗
PubMed1990

Control of defecation in patients with spinal injuries by stimulation of sacral anterior nerve roots.

OBJECTIVE: To observe the effects of stimulation of the sacral anterior roots on anorectal and low colonic pressures and to programme implanted stimulators to produce defecation. DESIGN: Prospective study of 12 consecutive patients. SETTING: Spinal injuries unit and university gastrointestinal physiology department. PATIENTS: 12 Patients with complete supraconal spinal cord lesions. Their injuries had been sustained at least two years before the study. INTERVENTIONS: A Brindley-Finetech intradural sacral anterior root stimulator was implanted in all patients. Three months postoperatively the stimulator settings were adjusted after measurement of simultaneous anorectal and low colonic pressures. MAIN OUTCOME MEASURES: Full defecation. RESULTS: Six patients achieved complete rectal evacuation of faeces using the implant and subsequently did not require manual help for defecation. For all but one of the patients the total time taken to complete defecation was reduced, and all were free from constipation, the most prevalent gastrointestinal symptom in patients with spinal injuries. CONCLUSIONS: Sacral anterior root stimulators can be programmed to achieve complete unassisted defecation and can considerably improve the quality of life of patients with spinal injuries.

Adult↗
PubMed2001

[MRI in spinal injuries].

The improvement of preclinical emergency medicine has increased the long-term survival of patients which sustained severe injuries of the spinal cord. However, the incidence of late complications has been increased due to the long-term survival. With the increasing use of magnetic resonance imaging (MRI) in this patient group the diagnosis of typical late complications of the spinal cord has improved. In this article we suggest the following terms to describe late complications of the spinal cord: syrinx, atrophy, cyst, malacia, disruption, and thethering.

Atrophy↗
PubMedDate not supplied

Carbon fibre pad insertion as a method of achieving soft tissue augmentation in order to reduce the liability to pressure sore development in the spinal injury patient.

Twenty patients at the Northern Regional Spinal Injury Unit received carbon fibre implants inserted into the sites of previously closed pressure sores or threatened pressure sores. The most common site was over the ischium, but some have also been inserted at the trochanteric area, the sacral area and also over bony protuberances of the leg. Seven implants from four patients had to be removed because of damage or infection. Sixteen patients with 18 implants have proceeded with no recurrence for a period of 4-8 years.

Adult↗
PubMed2001

Altered Mayer wave and baroreflex profiles in high spinal cord injury.

Spinal sympathetic neurons are distributed in cord segments from Th1 to L3. High spinal cord injury demonstrates severe orthostatic hypotension, but not lower cord injury. It remains to be clarified as to where is the critical spinal level disturbing neural cardiovascular regulations in response to orthostatic stress. To address this issue, beat-to-beat blood pressure (BP) (measured using a Finapres device) and RR interval (measured electrocardiographically) were recorded at rest and in a 60 degree head-up position in 26 patients with varying levels of spinal cord injury (C4 to Th12) and in 15 healthy (control) subjects. Sympathetic vascular tone was examined by the Mayer wave power spectrum of systolic blood pressure (SBP) variability. Baroreflex sensitivity was examined by transfer function analysis of SBP and RR interval variabilities. The Mayer wave power spectrum increased in response to postural shift in most patients injured at Th4 or below, whereas this parameter either remained unchanged or decreased in patients with higher-level injury. Baroreflex sensitivity tended to decrease with postural shift in patients injured at Th3 or below, whereas this parameter increased in all patients with higher-level injury. We divided spinal patients into high-level injury (Th3 or above, n = 14) and low-level injury (Th4 or below, n = 12) groups. Systolic blood pressure significantly fell (-10 +/- 4 mm Hg, P < .05) with postural shift in high-level injury group but did not change in low-level injury group or in control subjects. The low-level injury group and the control group demonstrated essentially similar autonomic nervous responses to postural shift, ie, a significant increase in Mayer wave power and an insignificant decrease in baroreflex sensitivity. On the contrary, the high-level injury group showed opposite responses, ie, an insignificant decrease in Mayer wave power and a significant increase in baroreflex sensitivity in response to postural shift. We conclude that spinal cord injury at Th3 or above eliminates normal neural cardiovascular responses to mild orthostatic stress in humans.

Adolescent↗
PubMed1992

Psychiatric consultation in a spinal injuries unit.

The function of a consultation liaison service to a spinal injuries unit is described. Within this context, a study was conducted in which sociodemographic and clinical data were collected over a 4 year period for consecutive admissions to the unit. Data are presented for 227 patients admitted during this period. Forty-seven patients were found to have discrete psychiatric disorders (DSM III) which required treatment during the course of their inpatient care. For forty-two of these patients the psychiatric disorder first developed following spinal cord injury.

Activities of Daily Living↗
PubMed2005

Significant spinal injury resulting from low-level accelerations: a case series of roller coaster injuries.

OBJECTIVES: To describe a cohort of significantly injured roller coaster riders and the likely levels of acceleration at which the injuries occurred, and to compare these data with contemporary efforts to define a lower limit of acceleration below which no significant spinal injury is likely to occur. DESIGN: A retrospective case series of roller coaster ride-induced significant spinal injuries. SETTING: Injury incident records and emergency medical service records for the Rattler roller coaster in San Antonio, TX, were evaluated for a 19-month period in 1992 and 1993. Medical records for the more significant injuries were also reviewed and the specific injuries were tabulated, along with the demographics of the cohort. PARTICIPANTS: There were 932,000 riders of the Rattler roller coaster, estimated to represent between 300,000 and 600,000 individual riders. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Injury incident reports and medical record review. RESULTS: It is estimated that there were a total of 656 neck and back injuries during the study period, and 39 were considered significant by the study inclusion criteria. Seventy-two percent (28/39) of the injured subjects sustained a cervical disk injury; 71% of these injuries were at C5-6 (15 disk herniations, 5 symptomatic disk bulges) and 54% were at C6-7 (11 disk herniations, 4 symptomatic disk bulges). In the lumbar spine, the most frequent injury was a symptomatic disk bulge (20% of the cohort), followed by vertebral body compression fracture (18%), and L4-5 or L5-S1 disk herniation (13%). Accelerometry testing of passengers and train cars indicated a peak of 4.5 to 5g of vertical or axial acceleration and 1.5g of lateral acceleration over approximately 100ms (0.1s) on both. CONCLUSIONS: The results of this study suggest that there is no established minimum threshold of significant spine injury. The greatest explanation for injury from traumatic loading of the spine is individual susceptibility to injury, an unpredictable variable.

Acceleration↗
PubMed1993

Changes of rat urinary bladder during acute phase of spinal cord injury.

Spinal cord injury (SCI) at Th13 was induced in female Wistar rats, and changes in the urinary bladder were examined during the acute phase of SCI. Wet weights of the spinal bladders increased twofold over controls by 7 days after SCI. Intravesical volumes increased sixfold over control values by day 3, and then decreased 7 days after the injury. Maximal pressure within the bladder decreased in all spinal rats compared with controls. Smooth muscle cells were isolated from the urinary bladder, and their total protein and DNA content were measured by multiparametric cytofluorometry. DNA content of isolated smooth muscle cells decreased by day 3 and remained 7 days after the spinal injury. Total protein content of isolated smooth muscle cells was decreased 1 day after and increased 7 days after the spinal injury, just when spinal reflex of the bladder recovered. These findings suggest that hypertrophy of smooth muscle cells in urinary bladder is related to the activity of peripheral autonomic nerve and that smooth muscle cells already begin to hypertrophy during the spinal shock period to adjust themselves to the new state, that is, the spinal bladder.

Acute Disease↗
PubMed2006

Spinal injuries in a level-one trauma centre: a demographic study.

The incidence of spinal injuries in Malaysia is on the rise following similar trend of rapid development and increasing number of building constructions sites, and motor vehicles. This epidemiological study was aimed at compiling local data with a view to identifying target areas for preventive measures as well as improvement strategies in the management of these potentially devastating injuries. Seventy eight patients admitted with spine trauma in 1998 in a level-one trauma centre were retrospectively reviewed. All records were traced from the admission and discharge books of the orthopaedic wards, accident and emergency wards, operative registration book, spinal rehabilitation ward and orthopaedic registration data of the Department of Orthopaedics, Hospital Kuala Lumpur. Details on pre-treatment neurological and radiological level of injury and post-treatment outcomes were recorded according to the American Spinal Injury Association (ASIA) impairment scale. Most patients (61.5%) were in the productive ages of less than 34 years with a 4:1 male to female ratio. Majority were due to motor vehicle accidents (57.7%) and fall from a height (28.3%). The thoraco-lumbar junction was the most common site of injury followed by the lower cervical region with 62.5% of which associated with neurological deficit. Neurological deficits: 11 ASIA-A, 1 ASIA-B, 6 ASIA-C, and 3 ASIA-D were detected in 21 (27%) patients with fall from height (50%) particularly landing on the feet (50%) and recreational sports (100%) were the risk factors. Less than 10% of patients were treated surgically and this explains an average 39.4 days of hospitalization (5 times longer in patients treated non-operatively). On discharge, four patients with incomplete neurology recovered to ASIA-E status and the remaining improved to ASIA-C and -D in one and five patients respectively. Only one patient with complete neurology improved to ASIA-B status following surgical treatment. The demographic profiles of our patients were comparable to other series in the literature but still inadequate to provide enough epidemiological data. A multicenter study to provide a larger pool of patients is needed.

Adolescent↗