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PubMed2002

Peak exercise capacity of electrically induced ambulation in persons with paraplegia.

INTRODUCTION: Persons with spinal cord injury (SCI) are generally limited to exercise activities using the relatively smaller, less productive upper extremities with limited benefits as compared with leg exercise training. Functional electrical stimulation (FES) assisted ambulation has previously been demonstrated to allow persons with paraplegia to stand and ambulate limited distances. PURPOSE: This study compared the peak physiological responses of persons with paraplegia during FES ambulation and voluntary arm exercise. METHODS: Fifteen subjects (T -T ) previously habituated to FES ambulation, completed peak testing of both arm cranking (AC) and FES walking to the point of exhaustion. The AC tests were performed using a graded incremental protocol to exhaustion in 3-min stages and 10-W power output increments. The FES walking test consisted of successive 10-m walking bouts, each trial progressively increased in pace. Metabolic activity was continuously monitored via open-circuit spirometry with heart rate (HR) determined by a 12-lead electrocardiograph for AC and by direct palpation during FES. RESULTS: Peak VO(2) did not differ between AC (22.9 +/- 3.8 mL x kg x min(-1)) and FES (22.7 +/- 3.9 mL x kg x min(-1)). FES ambulation elicited significantly greater peak values of HR (191 beats x min(-1) versus 179 beats x min(-1)) and lower peak values of respiratory exchange ratio (1.06 vs 1.12) compared with AC. There were no significant differences in peak values of any other variables. CONCLUSION: This study indicates that FES ambulation performance, in persons with paraplegia, elicits similar exercise capacity, as indicated by similar peak oxygen consumption, as voluntary arm exercise.

Adult↗
PubMed1984

Hydatid disease of the spine causing paraplegia. The combined treatment by surgical drainage and mebendazole: a case report.

Hydatid disease of the spine is a rare disease with a poor prognosis. Paraplegia is a severe complication and has a low chance for recovery. Surgical drainage and decompression has been the treatment of choice although success was limited. Medical treatment with mebendazole was introduced in 1977 for cystic and alveolar Hydatid disease of the liver. In this paper, a case with Hydatid disease with complete paraplegia is presented. He was treated by combined surgical and medical treatment that included several surgical drainages, decompression, and fusion procedures, accompanied by high dose mebendazole for three years. Recovery from the paraplegia was complete except for the persistence of a neurogenic bladder. Neither clinical nor laboratory evidence of activity of the disease existed after six years of follow-up. This case must encourage further clinical trials in such cases, combining surgical treatment with mebendazole.

Benzimidazoles↗
PubMed1994

Transient paraplegia from intraoperative intercostal nerve block after transthoracic discectomy.

OBJECTIVE: To present two patients with transient paraplegia from intercostal nerve blocks after transthoracic discectomy. METHODS: The preoperative, intraoperative, and postoperative courses of two patients who underwent transthoracic discectomies were reviewed. A literature review of complications from thoracic disc excisions and intercostal nerve blocks also was conducted. RESULTS: Two patients experienced transient paraplegia from intercostal nerve blockade after thoracotomy for thoracic discectomies. Although transient paraplegia (or regional anesthesia) after intercostal nerve blocks has been reported and is consistent with the clinical course seen in our two patients, it has not been reported after thoracotomy for decompression of the spinal cord. CONCLUSION: Because of the inherent risk of neurologic injury after thoracic discectomy, the authors discourage the use of intercostal nerve blocks for relieving postoperative pain after transthoracic discectomy.

Aged↗
PubMed1994

Stabilization of thoracic spine fractures resulting in complete paraplegia. A long-term retrospective analysis.

STUDY DESIGN: The impact of surgical stabilization on initial rehabilitation and complications in patients with traumatic thoracic level paraplegia was investigated. One hundred thirteen patient records were retrospectively reviewed. SUMMARY OF BACKGROUND DATA: Forty-six patients had been treated with surgical stabilization and fusion. Nineteen patients had been treated by laminectomy alone. Forty-eight patients had been treated nonoperatively. The most common mechanism of injury was a motor vehicle accident (52.6%). The mean follow-up was 8.4 years. METHODS: All inpatient and outpatient records at Craig Hospital were reviewed for patients who had sustained a thoracic spine fracture (T2-T9) that resulted in complete paraplegia (Frankel A). All patients were followed for a minimum of 5 years. Data were collected regarding initial length of inpatient rehabilitation, as well as early and late complications that affected rehabilitation and function during follow-up. This information was analyzed by treatment group. RESULTS: There was a statistically significant difference in the length of initial rehabilitation days between the surgically stabilized group and the laminectomy-only group. There was a trend toward fewer in-patient rehabilitation days between the surgically stabilized group and the nonoperatively treated group. The surgically treated group had twice as many complications as the nonoperative group. CONCLUSIONS: The surgical stabilization of thoracic (T2-T9) spine fractures with complete paraplegia tends to decrease initial rehabilitation days but is associated with increased overall complications. The treatment of this patient group clearly must be individualized.

Adult↗
PubMed2001

Traumatic paraplegia in snowboarders.

STUDY DESIGN: Patients with traumatic paraplegia resulting from snowboarding accidents were reviewed. OBJECTIVE: To understand the clinical features and mechanisms of paraplegic snowboarding injuries. SUMMARY OF BACKGROUND DATA: The recent explosion in the popularity of snowboarding has resulted in dramatically increased numbers of snowboarding injuries. However, little information is available as to the types and mechanisms of snowboard-related spinal injuries and their neurologic involvement. METHODS: The subjects of this study were six male patients, with an average age of 23.7 years, referred to the authors' institution for neurologic deficits associated with spinal injuries between January 1996 and March 1999. The clinical features of these patients were reviewed with respect to the mechanism of the injury, fracture pattern, neurologic status, treatment, and clinical outcome. The mean follow-up period was 23.7 months. RESULTS: The six snowboarders with traumatic paraplegia constituted a very homogenous group with the following features: They were all young men between the ages of 23 and 25 years. All the injuries had occurred at the vertebral junctions. The primary mechanism of the fractures was a backward fall from an intentional jump. The fracture patterns were of the flexion-distraction type. These homologous features suggest that this snowboarding group is at high risk for severe spinal injury. CONCLUSION: The high risk of traumatic paraplegia for a group within the snowboarding population requires the development and provision of injury prevention strategies specific to this group.

Adult↗
PubMed2004

Chylous leakage after thoracolumbar fracture may cause paraplegia.

STUDY DESIGN: Retrospective case report. PURPOSE: This case demonstrates that paraplegia can develop due to chylous leakage into the spinal canal without obvious retroperitoneal or intrathoracic involvement. BACKGROUND INFORMATION: This clinical presentation of chylous leakage has not been reported previously. RESULTS A 61-year-old female with osteoporosis suffered a pathologic fracture of the vertebral bodies T12 and L1 and developed partial paraplegia two weeks later. Imaging showed expansive pooling of intraspinal fluid without intrathoracic or retroperitoneal involvement. A blood-tinged fluid was aspirated from dorsal. Repeated surgery by a posterior approach with drainage of the fluid did not improve the patient's condition, so she was finally transferred to our hospital. Under the suspected diagnosis of lymphatic leakage a scintiscan with 123I-iodinephenylpentadekanacid-marked cream verified the presumption of a lymph fistula at the level of T12/L1, originating from the thoracic duct. By permanent draining of the posterior fistula without suction and strict intravenous alimentation the fluid production decreased continuously and finally ceased completely. Simultaneously, the neurologic state improved gradually without returning to normal completely. CONCLUSIONS: This case demonstrates that paraplegia can develop due to chylous leakage into the spinal canal without obvious retroperitoneal or intrathoracic involvement. This differential diagnosis should be kept in mind when treating patients with abundant fluid drainage into or from the spinal canal.

Chyle↗
PubMed1997

Muscle selection and walking performance of multichannel FES systems for ambulation in paraplegia.

A minimal set of muscles (8 to 16) were identified as candidates for implantation in a clinical system to provide walking function to individuals with complete paraplegia using functional electrical stimulation (FES). Three subjects with complete motor and sensory paraplegia had percutaneous intramuscular electrodes implanted in all major muscles controlling the trunk, hips, knees, and ankles. Stimulation patterns for walking with FES were generated for different sets of eight and 16 muscles. The quality and repeatability of the resulting gait produced by walking patterns consisting of various combinations of muscles were determined. Most eight-channel stimulation patterns resulted in scissoring or insufficient hip flexion, preventing forward progression. One eight-channel system allowed a maximum speed of 0.1 m/s with a cadence of 22 steps/min and a stride length less than 0.3 m. Improved walking performance was observed with 16 channels of stimulation. This ranged from slow step- to gait at 0.1 m/s to smooth reciprocal gait at 0.5 m/s. In all three subjects, the favored combination of 16 channels included erector spinae for trunk extension; gluteus maximus, posterior portion of adductor magnus and hamstrings for hip extension; tensor fasciae latae and either sartorius or iliopsoas for hip flexion; vastus lateralis/intermedius for knee extension; and tibialis anterior/peroneous longus for ankle dorsiflexion. In one subject the 16-channel FES system provided repeatable day-to-day gait averaging 0.4 m/s, 58 steps/min and a stride length at 0.8 m. A maximum repeatable walking distance with 16 channels was 34 m. Multiple 34-m trials were possible with minimal rests between walks. Fatigue of both the hip extensors and upper body was a limiting factor. The selection of target muscles for implantation is critical to the performance of FES systems. This study provides guidelines to muscle selection for walking with FES based on objective measures of gait performance. The findings indicate that a 16-channel FES system for total implantation is feasible for repeatable short distance, independent, walker-support walking in paraplegia.

Adult↗
PubMed1989

Paraplegia following surgery of the descending thoracic aorta.

Paraplegia remains an uncontrollable complication of aortic reconstructive surgery. Twenty-one consecutive patients undergoing surgery at the Royal Adelaide Hospital for lesions of the descending thoracic aorta were reviewed. Those patients suffering an acute traumatic transection had a much higher rate of postoperative paraplegia (40%) than those undergoing elective reconstruction of chronic aneurysms (10%). The incidence of paraplegia after surgery for an acute transection when bypass was not employed was greater than 50%. In contrast, the outcome was successful in all patients who underwent reconstruction using left heart extracorporeal bypass. Based on these findings, the routine use of bypass during reconstruction of the thoracic aorta is recommended, particularly for acute traumatic transection.

Adult↗
PubMed2004

Hereditary spastic paraplegia with cerebellar ataxia: a complex phenotype associated with a new SPG4 gene mutation.

Complex forms of hereditary spastic paraplegia (HSP) are rare and usually transmitted in an autosomal recessive pattern. A family of four generations with autosomal dominant hereditary spastic paraplegia (AD-HSP) and a complex phenotype with variably expressed co-existing ataxia, dysarthria, unipolar depression, epilepsy, migraine, and cognitive impairment was investigated. Genetic linkage analysis and sequencing of the SPG4 gene was performed and electrophysiologic investigations were carried out in six individuals and positron emission tomography (PET) in one patient. The disease was linked to the SPG4 locus on chromosome 2p as previously reported for pure HSP. Sequence analysis of the SPG4 (spastin) gene identified a novel 1593 C > T (GLN490Stop) mutation leading to premature termination of exon 12 with ensuing truncation of the encoded protein. However, the mutation was only identified in those individuals who were clinically affected by a complex phenotype consisting of HSP and cerebellar ataxia. Other features noted in this kindred including epilepsy, cognitive impairment, depression, and migraine did not segregate with the HSP phenotype or mutation, and therefore the significance of these features to SPG4 is unclear. Electrophysiologic investigation showed increased central conduction time at somatosensory evoked potentials measured from the lower limbs as the only abnormal finding in two affected individuals with the SPG4 mutation. Moreover, PET of one patient showed significantly relatively decreased regional cerebral blood flow in most of the cerebellum. We conclude that this kindred demonstrates a considerable overlap between cerebellar ataxia and spastic paraplegia, emphasizing the marked clinical heterogeneity of HSP associated with spastin mutations.

Adenosine Triphosphatases↗
PubMed2006

The hereditary spastic paraplegia protein spartin localises to mitochondria.

Hereditary spastic paraplegia describes a diverse group of disorders characterized by progressive paraparesis primarily affecting lower limbs. In Troyer syndrome, an autosomal recessive form of hereditary spastic paraplegia, patients have dysarthria, distal amyotrophy, developmental delay and short stature in addition to spastic paraparesis. It is caused by a frameshift mutation (1110delA) in SPG20 leading to premature truncation of spartin, a protein with no known function. The objective of this study was to determine the subcellular localization of spartin and investigate the effect of the 1110delA mutation. We observed cytoplasmic expression of spartin in all transfected cell lines. Using superimposed organelle markers or immunocytochemistry staining, we established that spartin localizes to mitochondria and that this localization is dependent on sequences in the C-terminal region. Mutant spartin containing the 1110delA mutation has lost mitochondrial localization. Immunocytochemistry staining using anti-alpha-tubulin antibody provided evidence for partial co-localization of spartin with microtubules. Analysis of fluorescence resonance energy transfer indicated that sequences in the amino terminal are important in mediating microtubule interaction. This study provides the first evidence of spartin subcellular localization and identifies it as the third mitochondrial protein implicated in hereditary spastic paraplegia. Our results suggest that Troyer syndrome may be due to defective microtubule-mediated trafficking of mitochondria and/or mitochondrial dysfunction.

Animals↗
PubMed1991

X-linked spastic paraplegia.

This paper describes a family with 10 males affected by x-linked spastic paraplegia. X-linked inheritance is rarely encountered in pure and complicated forms of hereditary spastic paraplegia. The disease was characterized by hyperreflexia, progressive spastic gait disorder, extensor plantar responses and mental retardation in all of the affected members of the family we studied. In addition to these symptoms, the older patients had cerebellar findings, severe disability and contractures. This is the 13th family manifesting x-linked spastic paraplegia reported in the literature.

Adolescent↗
PubMed1981

Non-traumatic paraplegia in northern Tanzania.

A retrospective study of all 100 cases of non-traumatic (medical) paraplegia admitted to a large hospital in northern Tanzania over an eight-year period was undertaken; 15 of the patients were examined. Patients' ages ranged from 2 to 80 years (mean 31), and 67 were male. Seventy-one lived under 85 km (53 miles) from the hospital, and the average period from onset of symptoms of paraplegia to admission to the referral hospital was ten weeks. Tuberculosis was the most frequent cause of paraplegia (54%), followed by neoplasia (13%) and schistosomiasis, (6%). No cases of nutritional myelopathy were diagnosed. In 12 cases a diagnosis could not be established. The average period spent in hospital was 11 weeks, and 35 patients made a good recovery and were ambulant at discharge.

Adolescent↗
PubMed2002

Transient paraplegia as a presenting feature of aortic dissection in a young man.

This report describes a case of aortic dissection in a 32 year old man who presented with mild central chest pain and transient paraplegia. Complete recovery of paraplegia in aortic dissection has previously been reported but this is the first case report in which full resolution of the paraplegia occurred within half an hour of presentation. The case emphasises the importance of careful history taking and eliciting subtle clinical signs, which helped in arriving at the correct diagnosis in this unusual presentation.

Adult↗
PubMed2002

Genetic mapping of a susceptibility locus for disc herniation and spastic paraplegia on 6q23.3-q24.1.

It has been suggested that a genetic factor(s) or a familial predisposition may contribute to the clinical manifestations of disc herniation; moreover, no genetic linkage between spinal disc herniation and spastic paraplegia has ever been described. A family with consanguineous parents and four of eight sibs affected by multiple disc herniations and spastic paraplegia was clinically and genetically analysed. Surgery caused partial improvement in all of them. After the exclusion of type II collagen and vitamin D receptor genes and the recessive loci for HSPs, a genome wide search was performed with about 500 fluorescent markers. Positive lod score values were obtained for chromosome 6q22.31-q24.1, with evidence of three homozygous intervals. The maximum multipoint lod score of 3.28 was obtained in only one interval, between markers D6S1699 and D6S314. On the whole, a susceptibility locus for disc herniation and autosomal recessive spastic paraplegia was found on chromosome 6q23.3-q24.1. This is the first time that disc herniation and the associated neurological syndrome has been linked to a human chromosomal region.

Chromosome Mapping↗
PubMed1987

Hysterical paraplegia.

Between 1944 and 1984 20 patients were admitted to a spinal injuries centre with a diagnosis of traumatic paraplegia. They subsequently walked out and the diagnosis was revised to hysterical paraplegia. A further 23 patients with incomplete traumatic injuries, who also walked from the centre, have been compared with them as controls. The features that enabled a diagnosis of hysterical paraplegia to be arrived at were: They were predominantly paraplegic, There was a high incidence of previous psychiatric illness and employment in the Health Service or allied professions, Many were actively seeking compensation. The physical findings were a disproportionate motor paralysis, non anatomical sensory loss, the presence of downgoing plantar responses, normal tone and reflexes. They made a rapid total recovery. In contrast, the control traumatic cases showed an incomplete recovery and a persistent residual neurological deficit. Investigations apart from plain radiographs of the spinal column were not warranted, and the diagnosis should be possible on clinical grounds alone.

Female↗
PubMed1992

Paraplegia due to a ruptured aneurysm of the distal posterior inferior cerebellar artery.

A case of paraplegia was due to a ruptured aneurysm of the distal posterior inferior cerebellar artery. The paraplegia was caused by a unilateral lesion located between the cervicomedullary junction and the C2 level, where it involved both crossed and uncrossed pyramidal fibres projecting to the lower extremities. Since a vascular lesion near the cervicomedullary junction is likely to be missed, special attention should be paid to this region when investigating subarachnoid haemorrhage with paraplegia.

Arteries↗
PubMed2003

Cardiac homeostasis is independent of calf venous compliance in subjects with paraplegia.

The purpose of this study was to examine cardiac hemodynamics during acute head-up tilt (HUT) and calf venous function during acute head-down tilt (HDT) in subjects with paraplegia compared with sedentary nondisabled controls. Nineteen paraplegic males (below T6) and nine age-, height-, and weight-matched control subjects participated. Heart rate, stroke volume, and cardiac output were assessed using the noninvasive acetylene uptake method. Venous vascular function of the calf was assessed using venous occlusion plethysmography. After supine measurements were collected, the table was moved to 10 degrees HDT followed by the three levels of HUT (10, 35, and 75 degrees ) in random order. Cardiac hemodynamics were similar between the groups at all positions. Calf circumference was significantly reduced in the paraplegic group compared with the control group (P < 0.001). Venous capacitance and compliance were significantly reduced in the paraplegic compared with control group at supine and HDT. Neither venous capacitance (P = 0.37) nor compliance (P = 0.19) increased from supine with 10 degrees HDT in the paraplegic group. A significant linear relationship was established between supine venous compliance and supine cardiac output in the control group (r = 0.80, P < 0.02) but not in the paraplegic group. The findings of reduced calf circumference and similar venous capacitance at supine rest and 10 degrees HDT in the paraplegic group imply that structural changes may have limited venous dispensability in individuals with chronic paraplegia. Furthermore, the lack of a relationship between supine venous compliance and supine cardiac output suggests that cardiac homeostasis does not rely on venous compliance in subjects with paraplegia.

Adult↗
PubMed1983

Paraplegia and prostatic cancer.

When paraplegia occurs as a result of malignant disease, it generally means that the patient's survival is limited to a few months. The exceptions to this rule include patients with paraplegia or quadraplegia as a result of metastases from carcinoma of the prostate. This study concerns 24 men with paraplegia, 20 of whom lived for over 5 years following the onset of paralysis, 18 being rehabilitated. The prostatic cause of paralysis may not be obvious at the first, and conventional X-rays of the spine may be negative. The serum acid phosphatase was raised in several cases, confirmation of the diagnosis could either be made by biopsy of the prostate gland or, if laminectomy is performed, by examining the tissue that compresses the spinal cord. Laminectomy is recommended only in patients with rapidly advancing neurological signs. The treatment of choice is orchidectomy rather than hormonal treatment in the elderly age group, as oestrogens cause cardio-vascular complications.

Castration↗