Kazuko Shem

Respiratory Management During the First Five Days After Spinal Cord Injury

Abstract Summary: Respiratory complications are the most common cause of morbidity and mortality in acute spinal cord injury (SCI), with an incidence of 36% to 83%. Eighty percent of deaths in patients hospitalized with cervical SCI are secondary to pulmonary dysfunction, with pneumonia the cause in 50% of the cases. The number of respiratory complications during the acute hospital stay contributes significantly to the length of hospital stay and cost. Four factors (use of mechanical ventilation, pneumonia, the need for surgery, and use of tracheostomy) explain nearly 60% of hospital costs and may be as important a predictor of hospital cost as level of injury. Atelectasis (36.4%), pneumonia (31.4%), and ventilatory failure (22.6%) are the most common complications during the first 5 days after injury. Ventilatory failure occurs on average 4.5 days after injury. Transfer to an SCI center specializing in acute management of tetraplegia has been shown to significantly reduce the number of respiratory complications. This review concentrates on the first 5 days after injury, focusing on complications, predictive factors, prevention, and management of those complications.

Dysphagia in individuals with tetraplegia: incidence and risk factors

Abstract Background/objective: Dysphagia following cervical spinal cord injury (SCI) can increase risk for pulmonary complications that may delay the rehabilitative process. The objective of this study was to identify risk factors for dysphagia after cervical SCI. Design: Prospective cohort study. Methods: Individuals with cervical SCI within 31 days of injury underwent a bedside swallow evaluation (BSE) followed by a videofluoroscopy swallow study (VFSS) within 72 hours of the BSE. Subjects were diagnosed as having dysphagia if they had positive findings in either BSE or VFSS. Results: Twenty-nine patients (7 female and 22 male) were enrolled. Of these, 21 (72%) had high cervical tetraplegia (C4 or higher) and 8 (38%) had lower cervical tetraplegia. A tracheostomy was present in 18 (62%) patients; 15 (52%) subjects were on ventilators. Dysphagia was diagnosed in 12 (41%) subjects. Dysphagia was noted in 62% of the subjects with tracheostomy and 53% of the subjects on the ventilator, but only tracheostomy resulted in a statistically significant association with dysphagia (P = 0.047). All three subjects who had nasogastric tubes were diagnosed with dysphagia (P = 0.029). The relationships between dysphagia and gender, high versus low tetraplegia, presence of halo or collar, head injury, and ventilator use were not statistically significant, but age was a significant risk factor (P = 0.028). Conclusions: Dysphagia is present in about 41% of individuals with acute tetraplegia. Only age, tracheostomy, and nasogastric tubes were identified as significant risk factors for dysphagia for individuals with tetraplegia. No relationship between dysphagia and level of SCI, spine surgery, collar, and ventilator use was found to exist.

Traumatic Spinal Cord Injuries in Horseback Riding: A 35-Year Review

Background: Spinal cord injury (SCI) is a potentially disabling neurologic injury that can occur in horseback riding. To date, no published study has examined the epidemiology of SCI from horseback riding in the United States, and few international studies exist on this topic. Several studies have described traumatic brain injuries, spine fractures, and extremity injuries; however, SCI patterns and outcomes in horseback riders are poorly understood. Purpose: This study was undertaken to characterize the demographics, SCI patterns, and neurologic outcomes of persons with SCIs related to horseback riding. Study Design: Descriptive epidemiologic study. Methods: This is a retrospective review of 121 SCI cases from horseback riding in the National SCI Statistical Center database from 1973 to 2008. The treatment setting was 26 U.S. SCI Model Systems of Care. The number of injuries, gender, age, and SCI type for horseback riding were compared with other sports and activities. The level of preserved neurologic function, SCI completeness, American Spinal Injury Association classification, and mechanical ventilation use at discharge were examined in the horseback riding group. Results: The mean age of injury was 37.8 years (standard deviation, 15.2). The majority of patients were white (88%) and female (50.4%). Compared with diving, motorcycle riding, football, and gymnastics, horseback riding involved a significantly higher number of women (P < .005), a higher mean age of injury, and an equal likelihood of resulting in paraplegia and tetraplegia. The most common levels of preserved neurologic function were C4-C6, T12, and L1. Spinal cord injury from horseback riding most commonly resulted in incomplete tetraplegia (41%) followed by complete paraplegia (24%). Only 4 patients required mechanical ventilation on discharge from acute inpatient rehabilitation. Conclusion: Spinal cord injury from horseback riding affects an equal proportion of women and men, has a wide age range, and most commonly results in incomplete tetraplegia followed by complete paraplegia. Study findings improve awareness of the demographics and neurologic outcomes of individuals with SCI from horseback riding and can help guide future studies evaluating SCI mechanisms in horseback riders to improve injury prevention and management.

Diagnostic Accuracy of Bedside Swallow Evaluation Versus Videofluoroscopy to Assess Dysphagia in Individuals With Tetraplegia

To assess the accuracy of bedside swallow evaluation (BSE) compared with videofluorosopic swallow study (VFSS) in diagnosing dysphagia in individuals with tetraplegia due to spinal cord injury (SCI).

Dysphagia and Associated Respiratory Considerations in Cervical Spinal Cord Injury

BACKGROUND Dysphagia is a relatively common secondary complication that occurs after acute cervical spinal cord injury (SCI). The detrimental consequences of dysphagia in SCI include transient hypoxemia, chemical pneumonitis, atelectasis, bronchospasm, and pneumonia. The expedient diagnosis of dysphagia is imperative to reduce the risk of the development of life-threatening complications. OBJECTIVE The objective of this study was to identify risk factors for dysphagia after SCI and associated respiratory considerations in acute cervical SCI. METHODS Bedside swallow evaluation (BSE) was conducted in 68 individuals with acute cervical SCI who were admitted to an SCI specialty unit. Videofluroscopy swallow study was conducted within 72 hours of BSE when possible. RESULTS This prospective study found dysphagia in 30.9% (21 out of 68) of individuals with acute cervical SCI. Tracheostomy (P = .028), ventilator use (P = .012), and nasogastric tube (P = .049) were found to be significant associated factors for dysphagia. Furthermore, individuals with dysphagia had statistically higher occurrences of pneumonia when compared with persons without dysphagia (P < .001). There was also a trend for individuals with dysphagia to have longer length of stay (P = .087). CONCLUSION The role of respiratory care practitioners in the care of individuals with SCI who have dysphagia needs to be recognized. Aggressive respiratory care enables individuals with potential dysphagia to be evaluated by a speech pathologist in a timely manner. Early evaluation and intervention for dysphagia could decrease morbidity and improve overall clinical outcomes.

Dysphagia and respiratory care in individuals with tetraplegia: incidence, associated factors, and preventable complications.

Dysphagia occurs in a significant number of individuals with spinal cord injury (SCI) presenting to acute care and inpatient rehabilitation. This prospective study has found dysphagia in nearly 40% of individuals with tetraplegia. Tracheostomy, mechanical ventilation, nasogastric tube, and age are significant risk factors. The detrimental complications of dysphagia in SCI can cause significant morbidity and delays in rehabilitation. Thus, early and accurate diagnosis of dysphagia is imperative to reduce the risk of developing life-threatening complications. Incidence and risk factors of dysphagia and the use of the bedside swallow evaluation (BSE) and videofluoroscopy swallow study (VFSS) to diagnose dysphagia are presented. The often underappreciated role of respiratory therapists, including assist cough, high tidal volume ventilation, and the use of Passy-Muir valve, in the care of individuals with SCI who have dysphagia is discussed. Improved secretion management and respiratory stabilization enable the individuals with dysphagia to be evaluated sooner and safely by a speech pathologist. Early evaluation and intervention could improve upon morbidity and delayed rehabilitation, thus improving overall clinical outcomes.

An effective community-based mentoring program for return to work and school after brain and spinal cord injury

Information is presented on a community-based mentoring program, developed to work with existing community agencies and provide structure to the frequently confusing network of services for young adults, ages 16 to 26 years, with a recently acquired disability including TBI, SCI, and other neurological disorders. The over-arching goal of the Mentoring Program was to improve the ability of individuals with disabilities to access and maximally utilize the services and programs that are available in the community. The two objectives of this study were: (1) to demonstrate continuing increases in standardized measures of community integration from the time of enrollment in the program to the time of exit from the program, and (2) to improve the percentage of youth and young adults with disabilities who successfully access post-secondary education or employment opportunities. 53 participants had post-secondary education as a goal. 12 participants had an employment goal. 12 participants had both education and employment as a combined goal. It was not uncommon for participants to change goals. Of those with education goals, 23/53 achieved educational goals and 7/53 achieved employment goals. Of those with vocational goals, 5/12 achieved vocational goals and 1/12 achieved educational goals. Of those with both goals, 5/12 achieved educational goals and 1/12 achieved vocational goals. Significant community integration and independence improvements were noted for program participants (CHART Mobility and Cognitive Independence, M2PI, DRS, and SRS). Overall, findings suggest that mentoring can be beneficial toward achieving the goals of post-secondary education, employment and community independence for individuals with disabilities; specifically those with traumatic brain injury, spinal cord injury and other neurological disorders.

Phlegmasia Cerulea Dolens: Rare Complication of Vena Cava Filter Placement in Man With Paraplegia

Abstract Objective: To describe a complication of placement of an inferior vena cava (IVC) filter in a man with paraplegia. Design: Case report. Participants/Methods: A 48-year-old man with T11 paraplegia secondary to an L1 burst fracture underwent thoracic spinal fusion. The postoperative course was complicated by deep vein thrombosis (DVT) of the right common femoral vein, which was treated with warfarin. Results: During rehabilitation, the hematocrit declined, and fluctuance was noted along the surgical site. Computed tomographic scan suggested a hematoma in the paraspinal and latissimus dorsi muscles. Warfarin was discontinued, and an IVC filter was placed. He subsequently developed severe leg pain, followed by hypotension, acute renal failure, and compartment syndrome in bilateral lower extremities requiring fasciotomies. Ultrasound and computed tomographic angiogram showed extensive bilateral lower extremity DVTs and pulmonary emboli. The diagnosis of cerulea dolens was made. Mechanical and pharmacological thrombectomy was aborted secondary to bleeding complications and hypotension. The patient died shortly after care was withdrawn at the familys request. The autopsy revealed multiple thrombi in IVC, bilateral pelvic and femoral veins, and left pulmonary artery embolus, consistent with phlegmasia cerulea dolens. Conclusions: Inferior vena cava filters may prevent pulmonary embolism but do not affect the underlying thrombotic process. An IVC filter should be recognized as a possible thrombogenic nidus in patients with spinal cord injury who have known DVT.

Factors Associated with Dysphagia in Individuals with High Tetraplegia

The aim of this study was to identify the factors associated with dysphagia in individuals with high tetraplegia. The Santa Clara Valley Medical Center (SCVMC) has a high tetraplegia program utilizing experienced Speech Pathologists in the early evaluation of dysphagia and in appropriate intervention in individuals with high tetraplegia. The factors associated with dysphagia were ASIA impairment level, intubation, mechanical ventilation, and pulmonary infections. The earlier individuals were admitted to SCVMC, the less likely they were to have pulmonary complications, which may be a result of early screening by the SCVMC Speech Pathology Department for dysphagia.

Late Complications of Displaced Thoracolumbar Fusion Instrumentation Presenting as New Pain in Individuals With Spinal Cord Injury

Abstract Background: Harrington rods and more modern thoracolumbar posterior fusion with segmental instrumentation have been used successfully for decades in individuals with scoliosis or spinal cord injury(SCI). However, late complications of these instrumentations specifically presenting as new, localized pain inindividuals with SCI have not been previously reported. Displacement of the hooks and the rods can causesignificant back pain that may require hardware removal. Methods: Two case reports illustrate thoracolumbar fusion rod removal because of displaced hooks withprotruding rods and associated pain. Results: Both of the individuals experienced back pain caused by proximal hook displacement. There wasno neurologic deterioration. The proximal portions of the rods were sawed off and the displaced hooks andthe rods were removed. Conclusions: These cases illustrate the importance of clarifying different types of pain experienced byindividuals with SCI and the importance of diagnosing the cause of pain accurately.