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Mini-Open Approach for Direct Lateral Lumbar Interbody Fusion.

Chong Suh LEE ; Sung Soo CHUNG ; Young Ryeol PAE ; Se Jun PARK

Asian Spine Journal.2014;8(4):491-497. doi:10.4184/asj.2014.8.4.491

STUDY DESIGN: Retrospective analysis. PURPOSES: To introduce the mini-open lateral approach for the anterior lumbar interbody fusion (ALIF), and to investigate the advantages, technical pitfalls and complications by providing basic knowledge on extreme lateral interbody fusion (XLIF) or direct lumbar interbody fusion (DLIF). OVERVIEW OF LITERATURE: Recently, minimally invasive lateral approach for the lumbar spine is revived and receiving popularity under the name of XLIF or DLIF by modification of mini-open method when using the sequential tubular dilator and special expandable retractor system. METHODS: Seventy-four patients who underwent surgery by the mini-open lateral approach from September 2000 to April 2008 with various disease entities were included. Blood losses, operation times, incision sizes, postoperative time to mobilization, length of hospital stays, technical problems and complications were all analyzed. RESULTS: The blood losses and operation times of patients who underwent simple ALIF were 61.2 mL and 86 minutes for one level, 107 mL and 106 minutes for two levels, 250 mL and 142.8 minutes for three levels, and 400 mL and 190 minutes for four levels of fusion. The incision sizes were on average 4.5 cm for one level, 6.3 cm for two levels, 8.5 cm for three levels and 10.0 cm for four levels of fusion. The complications were retroperitoneal hematoma (2 cases), pneumonia (1 case) and transient lumbosacral plexus palsy (3 cases). CONCLUSIONS: Trials of mini-open lateral approach would be helpful before the trial of XLIF or DLIF. However, special attention is required for complications such as transient lumbosacral plexus palsy.
Hematoma ; Humans ; Length of Stay ; Lumbosacral Plexus ; Paralysis ; Pneumonia ; Retrospective Studies ; Spine

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Safety Profile, Feasibility and Early Clinical Outcome of Cotransplantation of Olfactory Mucosa and Bone Marrow Stem Cells in Chronic Spinal Cord Injury Patients.

Vijay G GONI ; Rajesh CHHABRA ; Ashok GUPTA ; Neelam MARWAHA ; Mandeep S DHILLON ; Sudesh PEBAM ; Nirmal Raj GOPINATHAN ; Shashidhar BANGALORE KANTHARAJANNA

Asian Spine Journal.2014;8(4):484-490. doi:10.4184/asj.2014.8.4.484

STUDY DESIGN: Prospective case series. PURPOSE: To study the safety and feasibility of cotransplantation of bone marrow stem cells and autologous olfactory mucosa in chronic spinal cord injury. OVERVIEW OF LITERATURE: Stem cell therapies are a novel method in the attempt to restitute heavily damaged tissues. We discuss our experience with this modality in postspinal cord injury paraplegics. METHODS: The study includes 9 dorsal spine injury patients with American Spinal Injury Association (ASIA) Impairment Scale (AIS) A neurological impairment who underwent de-tethering of the spinal cord followed by cotransplantation with bone marrow stem cells and an olfactory mucosal graft. Participants were evaluated at the baseline and at 6 monthly intervals. Safety and tolerability were evaluated through the monitoring for adverse events and magnetic resonance imaging evaluation. Efficacy assessment was done through neurological and functional outcome measures. RESULTS: Surgery was tolerated well by all participants. No significant difference in the ASIA score was observed, although differences in the Functional Independence Measure and Modified Ashworth Scale were statistically significant. No significant complication was observed in any of our patients, except for neurogenic pain in one participant. The follow-up magnetic resonance imaging evaluation revealed an increase in the length of myelomalacia in seven participants. CONCLUSIONS: The cotransplantation of bone marrow stem cells and olfactory mucosa is a safe, feasible and viable procedure in AIS A participants with thoracic level injuries, as assessed at the 24-month follow-up. No efficacy could be demonstrated. For application, further large-scale multicenter studies are needed.
Asia ; Bone Marrow* ; Follow-Up Studies ; Humans ; Magnetic Resonance Imaging ; Olfactory Mucosa* ; Outcome Assessment (Health Care) ; Prospective Studies ; Spinal Cord ; Spinal Cord Injuries* ; Spinal Cord Regeneration ; Spinal Injuries ; Spine ; Stem Cells* ; Thorax ; Transplants

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Long Term Outcome of Non-Dysraphic Intramedullary Spinal Cord Lipomas in Adults: Case Series and Review.

Uddanapalli Sreeramulu SRINIVASAN ; Natarajan RAGHUNATHAN ; Lawrence RADHI

Asian Spine Journal.2014;8(4):476-483. doi:10.4184/asj.2014.8.4.476

STUDY DESIGN: It is a case series involving clinical presentation, radiological findings, surgical technique and long term outcome of Non-dysraphic intramedullary spinal cord lipomas in adults along with the review of the literature. PURPOSE: The purpose of the study is to find out from our series as well as from literature what determines the long term outcome and how it can be improved in patients diagnosed to have intramedullary spinal cord lipomas. OVERVIEW OF LITERATURE: Non-dysraphic spinal intramedullary lipomas in adults are extremely rare. Majority of cases occur in children and in cervico-dorsal regions. Only eight cases of dorso-lumbar spinal lipomas without spinal dysraphism in adults have been reported in the English literature till 2013. METHODS: Here we report our experience with three such cases in the dorsolumbar region and discuss the surgical technique and the long term outcome of such cases. RESULTS: Review of literature and from our own cases we conclude that long term outcome after surgery is determined by the preoperative neurological status. CONCLUSIONS: Earlier surgical intervention with preserved neurological status results in better outcome. Radical subtotal excision without producing iatrogenic postoperative neurological deficit should be the goal of the surgery and it stabilizes the disease process in the long run. When early clinico-radiological signs of recurrence develop, such patient's to be reoperated immediately to prevent them from developing a fixed neurological deficit.
Adult* ; Child ; Humans ; Lipoma* ; Recurrence ; Spinal Cord Neoplasms ; Spinal Cord* ; Spinal Dysraphism

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Comparisons on Efficacy of Elcatonin and Limaprost Alfadex in Patients with Lumbar Spinal Stenosis and Concurrent Osteoporosis: A Preliminary Study Using a Crossover Design.

Tsukasa KANCHIKU ; Yasuaki IMAJO ; Hidenori SUZUKI ; Yuichiro YOSHIDA ; Toshihiko TAGUCHI ; Toshikatsu TOMINAGA ; Koichiro TOYODA

Asian Spine Journal.2014;8(4):469-475. doi:10.4184/asj.2014.8.4.469

STUDY DESIGN: Multicenter prospective study with a crossover design. PURPOSE: The objective of this study is to compare the efficacy of limaprost alfadex (LP) and elcatonin (EL) for lumbar spinal stenosis (LSS) patients with concurrent osteoporosis. OVERVIEW OF LITERATURE: It has been increasingly important to improve quality of life by establishing appropriate conservative treatments for LSS patients with concurrent osteoporosis who will presumably continue to increase due to the percentage of the aging elevations, however there is no prospective study. METHODS: A total of 19 patients with LSS and concurrent osteoporosis were enrolled in this study. The patients were divided into two groups and compared using a crossover design. The Japanese Orthopaedic Association Back Pain Evaluation Questionnaire (JOABPEQ) and short-form (SF)-8 health survey scale were used for clinical evaluations. RESULTS: There was a significant improvement of buttock-leg pain and numbness in the EL group. A significant improvement of impaired walking function was noted for the LP group according to the JOABPEQ while the rest of the items in the JOABPEQ showed no significant differences. The SF-8 health survey revealed that somatic pains and physical summary scores in the EL group and physical functioning and physical summary scores in the LP group tended to improve but not to any statistically significant extents. CONCLUSIONS: Concomitant uses of EL may be useful in patients who do not respond satisfactorily to the treatments of LP for 6-8 weeks.
Aging ; Asian Continental Ancestry Group ; Back Pain ; Cross-Over Studies* ; Drug Therapy ; Health Surveys ; Humans ; Hypesthesia ; Nociceptive Pain ; Osteoporosis* ; Prospective Studies ; Quality of Life ; Spinal Stenosis* ; Walking ; Surveys and Questionnaires

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Limited Laminectomy and Restorative Spinoplasty in Spinal Canal Stenosis.

Sukhbir Singh SANGWAN ; Rakesh GARG ; Paritosh GOGNA ; Zile Singh KUNDU ; Vinay GUPTA ; Pradeep KAMBOJ

Asian Spine Journal.2014;8(4):462-468. doi:10.4184/asj.2014.8.4.462

STUDY DESIGN: Prospective cohort study. PURPOSE: Evaluation of the clinico-radiological outcome and complications of limited laminectomy and restorative spinoplasty in spinal canal stenosis. OVERVIEW OF LITERATURE: It is critical to achieve adequate spinal decompression, while maintaining spinal stability. METHODS: Forty-four patients with degenerative lumbar canal stenosis underwent limited laminectomy and restorative spinoplasty at our centre from July 2008 to December 2010. Four patients were lost to follow-up leaving a total of 40 patients at an average final follow-up of 32 months (range, 24-41 months). There were 26 females and 14 males. The mean+/-standard deviation (SD) of the age was 64.7+/-7.6 years (range, 55-88 years). The final outcome was assessed using the Japanese Orthopaedic Association (JOA) score. RESULTS: At the time of the final follow-up, all patients recorded marked improvement in their symptoms, with only 2 patients complaining of occasional mild back pain and 1 patient complaining of occasional mild leg pain. The mean+/-SD for the preoperative claudication distance was 95.2+/-62.5 m, which improved to 582+/-147.7 m after the operation, and the preoperative anterio-posterior canal diameter as measured on the computed tomography scan was 8.3+/-2.1 mm, which improved to 13.2+/-1.8 mm postoperatively. The JOA score improved from a mean+/-SD of 13.3+/-4.1 to 22.9+/-4.1 at the time of the final follow-up. As for complications, dural tears occurred in 2 patients, for which repair was performed with no additional treatment needed. CONCLUSIONS: Limited laminectomy and restorative spinoplasty is an efficient surgical procedure which relieves neurogenic claudication by achieving sufficient decompression of the cord with maintenance of spinal stability.
Asian Continental Ancestry Group ; Back Pain ; Cohort Studies ; Constriction, Pathologic* ; Decompression ; Female ; Follow-Up Studies ; Humans ; Laminectomy* ; Leg ; Lost to Follow-Up ; Male ; Prospective Studies ; Spinal Canal*

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Usefulness of Contralateral Indirect Decompression through Minimally Invasive Unilateral Transforaminal Lumbar Interbody Fusion.

Sang Hyuk MIN ; Jae Sung YOO ; Jun Yeul LEE

Asian Spine Journal.2014;8(4):453-461. doi:10.4184/asj.2014.8.4.453

STUDY DESIGN: Retrospective study. PURPOSE: This study aims to investigate the clinical and radiological results of contralateral indirect decompression through minimally invasive unilateral transforaminal lumbar interbody fusion (MI-TLIF). OVERVIEW OF LITERATURE: Several studies have proposed that blood loss and operation time could be reduced through a unilateral approach, although many surgeons have forecast that satisfactory foraminal decompression is difficult to achieve through a unilateral approach. METHODS: The study included 30 subjects who had undergone single-level MI-TLIF. Visual analogue scale (VAS) and Oswestry disability index (ODI) were analyzed for clinical assessment. Disc height, segmental lordosis, and lumbar lordosis angle were examined for radiological assessment. The degree of contralateral indirect decompression was evaluated through a comparative analysis, with a magnetic resonance imaging (MRI) performed preoperatively and at one year postoperatively. RESULTS: Intraoperative blood loss volume was 308.75 mL in the unilateral approach group (UAP), and 575.00 mL in the bilateral approach group (BAP), showing a statistically significant difference. Operation time was 139.50 minutes in the UAP group, and 189.00 minutes in the BAP group, exhibiting a statistically significant difference (p<0.05). On the other hand, no significant difference was found in VAS, ODI, disc height, lordosis angles and the degree of nerve decompression in the vertebral foramen, using MRI, between the two groups (p>0.05). CONCLUSIONS: Satisfactory results were acquired with MI-TLIF conducted through the unilateral approach of contralateral indirect decompression, in alignment with the bilateral approach. Therefore, contralateral indirect decompression is thought to be a useful procedure in reducing the operation time and volume of blood loss.
Animals ; Decompression* ; Hand ; Lordosis ; Magnetic Resonance Imaging ; Retrospective Studies ; Spinal Fusion ; Surgical Procedures, Minimally Invasive

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Clinical and Magnetic Resonance Imaging Factors Which May Predict the Need for Surgery in Lumbar Disc Herniation.

Rouzbeh MOTIEI-LANGROUDI ; Homa SADEGHIAN ; Amir Saied SEDDIGHI

Asian Spine Journal.2014;8(4):446-452. doi:10.4184/asj.2014.8.4.446

STUDY DESIGN: Case-control. PURPOSE: Evaluate clinical and imaging factors which may predict the risk of failure of medical therapy in patients with lumbar disc herniation (LDH). OVERVIEW OF LITERATURE: LDH is a common cause of low back pain and radicular leg pain, with a generally favorable natural course. At present, however, it is not possible to identify patients who may be candidates for surgery in an early stage of their disease by means of clinical signs or diagnostic imaging criteria. METHODS: We designed a study investigating patients with untreated low back pain to assess the predictive value of demographic, clinical or imaging findings in identifying patients who finally would meet the classic current criteria for surgery. RESULTS: Among 134 patients, 80.6% were successfully treated with conservative therapy and 19.4% finally underwent surgery. Sex, occupation, involved root level, presence of Modic changes, osteophytes or annular tears were not significantly different between the 2 groups, while cerebrospinal fluid block, Pfirrmann's grade, location of herniation with regard to the midline, and type of herniation were significantly different. Anteroposterior fragment size was significantly higher and intervertebral foramen height and thecal sac diameters were significantly lower in the surgical group. CONCLUSIONS: Although it is strongly recommended to practice conservative management at first for patients with LDH symptoms, the results of this study shows that higher Pfirrmann's grade, more laterally located discs, extrusion and protrusion herniation types, and larger fragments could predict the risk of conservative treatment failure. This way, unnecessarily prolonged conservative management (beyond 4-8 weeks) may be precluded.
Case-Control Studies ; Cerebrospinal Fluid ; Diagnostic Imaging ; Humans ; Intervertebral Disc Displacement ; Leg ; Low Back Pain ; Magnetic Resonance Imaging* ; Occupations ; Osteophyte ; Treatment Failure

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Myung Sang MOON ; Sung Soo KIM ; Young Wan MOON ; Hanlim MOON ; Sung Sim KIM

Asian Spine Journal.2014;8(4):435-445. doi:10.4184/asj.2014.8.4.435

STUDY DESIGN: Medical record-based survey. PURPOSE: To survey the overall incidence of the intra- and postoperative complications and sequelae, and to propose the preventive measures to reduce complications in the spinal tuberculosis surgery. OVERVIEW OF LITERATURE: There is no study focused on the surgery-related complications and sequelae, with some touching lightly on the clinical problems. METHODS: There were 901 patients in this study, including 92 paraplegics. One hundred eighty-six patients had no visible deformity, while those of 715 patients were visible. Six hundred fifty-nine patients had slight to moderate non-rigid kyphosis, and 56 had severe rigid kyphosis. Sixty-seven out of 92 paraplegics had slight to moderate non-rigid kyphosis, and 25 had severe kyphosis. There were 134 cervical and cervicodorsal lesions, 518 thoracic and thoracolumbar lesions, and 249 lumbar and lumbosacral lesions. Seven hundred sixty-four patients had primarily anterior surgeries, and 137 had posterior surgeries. Instrumentation surgery was combined in 174 patients. RESULTS: There were intra- and postoperative complications: direct large vessel and neurological injuries (cord, roots, nerves), late thrombophlebitis, various thoracic cavity problems, esophagus and ureter injuries, peritoneum perforation, ileus, wound infections, stabilization failure, increase of deformity and late adjacent joint and bone problems. Thrombophlebitis and sympatheticolysis symptoms and signs in the lower limbs were the most common complications related with anterior lumbar and lumbosacral surgeries. Kyphosis increased in 31.5% of the non-instrumented anterior surgery cases (42% in children and 21% in adults). CONCLUSIONS: The safe, effective and most familiar surgical procedure should be adopted to minimize complications and sequelae. Cosmetic spinal surgery should be withheld if functional improvement could not be expected.
Child ; Congenital Abnormalities ; Esophagus ; Humans ; Ileus ; Incidence ; Joints ; Kyphosis ; Lower Extremity ; Peritoneum ; Postoperative Complications ; Spine* ; Thoracic Cavity ; Thrombophlebitis ; Tuberculosis* ; Tuberculosis, Spinal ; Ureter ; Wound Infection

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Clinical Outcome in Patients with Early versus Delayed Decompression in Cervical Spine Trauma.

Muhammad Sohail UMERANI ; Asad ABBAS ; Salman SHARIF

Asian Spine Journal.2014;8(4):427-434. doi:10.4184/asj.2014.8.4.427

STUDY DESIGN: Prospective observational study. PURPOSE: To assess the clinical outcome after early versus late decompression for traumatic cervical cord injury. OVERVIEW OF LITERATURE: Traumatic spinal cord injury is common globally with the most tragic outcomes in the cervical spine. Although recent studies have shown that early decompression results in more favourable outcome, its authority is yet to be established. METHODS: Study on 98 patients with a traumatic cervical cord injury was conducted over a period of 5 years. The patients who were operated on within 24 hours of the onset of the primary injury (n=34) were classified as the early group, and those who were operated on after 24 hours of the onset of the injury (n=64) were categorized as the late group. The outcome of both the groups was assessed using the American Spinal Injury Association (ASIA) Impairment Scale (AIS) at the 6-month follow-up. RESULTS: The patients in the early group were operated on at a mean time of 18.4 hours (range, 13-24 hours) while patients were operated on at a mean time of 52.7 hours (range, 31-124 hours) in the late group. At the 6-month follow-up, 7 (23.3%) in the early group and 5 (8.7%) in the late group showed >2 grade improvement in the AIS. CONCLUSIONS: The results of patients undergoing decompression within 24 hours of the injury are better than those who are operated on later. An attempt should be made to decompress the traumatic cervical spine early in all possible cases.
Decompression* ; Decompression, Surgical ; Follow-Up Studies ; Humans ; Observational Study ; Prospective Studies ; Spinal Cord Injuries ; Spinal Fractures ; Spinal Injuries ; Spine* ; Treatment Outcome

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Lumbar Morphometry: A Study of Lumbar Vertebrae from a Pakistani Population Using Computed Tomography Scans.

Muhammad M ALAM ; Muhammad WAQAS ; Hussain SHALLWANI ; Gohar JAVED

Asian Spine Journal.2014;8(4):421-426. doi:10.4184/asj.2014.8.4.421

STUDY DESIGN: A cross-sectional study. PURPOSE: To describe the characteristics of lumbar vertebrae of Pakistani patients reporting at a tertiary care hospital and compare with studies from other populations. OVERVIEW OF LITERATURE: Several studies have been conducted to determine morphometry of lumbar vertebrae. Most of the studies involve Caucasian populations, still data on other populations still sparse. This is the first study describing lumbar morphometry of a Pakistani population. METHODS: An observational study was conducted based on a review of thin-cut (3 mm) computed topographic images of lumbar vertebrae. Two-hundred and twenty vertebrae from forty-nine patients were studied, and various dimensions were analyzed. RESULTS: Generally, the size of the vertebrae, vertebral canals and recesses were found to be greater in male patients. The difference was statistically significant for transverse and anteroposterior diameters of the vertebral bodies and sagittal diameter of pedicles on the left side (p<0.05). Comparison of populations revealed statistically significant differences in pedicle dimensions between Pakistani population and others. CONCLUSIONS: This study provides anatomical knowledge of the lumbar region in a sample population of Pakistan. There were significant differences in various dimensions of lumbar vertebrae between female and male patients. This would prove to be critical for performing a safe operation.
Cross-Sectional Studies ; Female ; Humans ; Lumbar Vertebrae* ; Lumbosacral Region ; Male ; Observational Study ; Pakistan ; Spine ; Tertiary Healthcare

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