Fracture-Dislocations of the Ankylosed Thoracic Spine in Rheumatoid Spondylitis

Hansen, Sigvard T.; Taylor, T. K. F.; Honet, Joseph C.; Lewis, Fred R.

doi:10.1097/00005373-196711000-00004

Cited by 34 publications

(12 citation statements)

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“…This determination is di cult since many fractures are unrecognized or are not reported. 3 In our cohort of patients multiple non-contiguous injuries were present in nine out of 21 patients.…”

Section: Discussionmentioning

confidence: 68%

“…2 It is not uncommon for patients being treated with ankylosing spondylitis to have radiologic evidence of previous vertebral body fractures despite having no history of trauma. 3 It is well recognized that ankylosing spondylitis patients are more prone to spinal injury due to the rigidity of the spinal column and osteoporosis. 4 Seventy-®ve per cent of all fractures occur in the lower cervical spine.…”

Section: Introductionmentioning

confidence: 99%

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Occult vertebral fractures in ankylosing spondylitis

1999

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Study Design: A retrospective review of patients with ankylosing spondylitis involved in blunt trauma. Setting: Patients referred to two Level I trauma centers. Objectives: To determine the incidence and clinical sequelae in this patient population where vertebral injury was diagnosed on a delayed basis. Summary of Background Data: The ankylosed spine is at increased risk for fracture and spinal cord injury. Radiological identi®cation of injury is more di cult than in the normal spine. Results: Over a 5 year period, 21 patients were identi®ed with seven having an occult vertebral fracture not recognized as the primary injury or occurring as a second noncontiguous injury level. In these cases, delay in diagnosis of the occult injury was from 3 to 22 days. Development of secondary neurological de®cits occurred in three patients. Conclusions: A high index of suspicion and an appreciation of the extreme instability of a fracture in ankylosing spondylitis must be present.

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Section: Discussionmentioning

confidence: 68%

Section: Introductionmentioning

confidence: 99%

Occult vertebral fractures in ankylosing spondylitis

1999

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“…The discovery of the human SOST (Sclerosteosis) gene is a triumph for the study of human genetics. Sclerosteosis and Van Buchem diseases are rare sclerosing bone dysplasias, discovered more than 40 years ago by Hansen et al (1967), and are inherited in an autosomal recessive fashion. Each disease is manifested by a greatly increased amount of bone mass, with Sclerosteosis being the most severe (Beighton, 1976; Beighton et al, 1976a, b, 1977a, b; Balemans et al, 2001; Brunkow et al, 2001).…”

Section: Cystine‐knot Motif Proteins: Interaction With the Wnt Pathwaymentioning

confidence: 99%

Morphology control of hollow polymer latex particle preparation

Wang

et al. 2005

J of Applied Polymer Sci

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Hollow polymer latex particles containing a hydrophilic core fully encapsulated with a hydrophobic shell were prepared by multistage polymerization followed by neutralization with a base. The diameters of the particles were monodispersed and void fractions of the prepared latex particles as high as 50% were achieved. High instantaneous monomer conversion was found to be the key point to minimize the interdiffusion of the core-shell polymer chains. The influences of the shell crosslinking agent and shell carboxyl content on the hollow morphology were also investigated. The maximum hollow diameter was observed with crosslinking agent contents of 7.5-12.5 wt %. The shell carboxyl content had an appropriate value, and an excess of it resulted in an excentric hollow structure.

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“…Abb.2a-c 51-jähriger Patient, M. Bechterew mit Befall der großen Gelenke seit 9 Jahren nach Hochgeschwindigkeits-Anpralltrauma, a, b Nachweis einer dislozierten Wirbelsäulenfraktur in Höhe BWK 7 in der konventionellen Tomographie, c langstreckige dorsale Spondylodese über die Bewegungssegmente BWK5-BWK9 schluss von Rückenmarksverletzungen eingesetzt [4,12,13,14,15]. Schließlich dient die Skelettszintigraphie der Erkennung alter Verletzungen und Pseudarthrosen [25].…”

Section: Der Unfallchirurg 2•2002 | 167unclassified

Behandlung der Wirbelsäulenfraktur bei ankylosierender Spondylitis

May¹,

Raunest²,

Herdmann

et al. 2002

Der Unfallchirurg

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Clinical guidelines for the treatment of vertebral fractures associated with ankylosing spondylitis are derived from case reports and a review of literature. The coincidence of paravertebral calcifications and fracture formations leads to problems in the establishment of a proper initial diagnosis. Therefore computed tomography and magnetic resonance imaging have to be employed to define the extent of fracture and the presence of spinal lesions. As a rule vertebral fractures based upon spondylitic alterations are extremely unstable and tend to secondary dislocation with a high risk of spinal cord injuries. Operative osteosynthesis is the method of choice in the fracture treatment. A successful stabilization requires an extended spondylodesis comprising at least five vertebral segments by a dorsal or a combined ventral instrumentation.

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Fracture-Dislocations of the Ankylosed Thoracic Spine in Rheumatoid Spondylitis

Cited by 34 publications

References 0 publications

Occult vertebral fractures in ankylosing spondylitis

Occult vertebral fractures in ankylosing spondylitis

Morphology control of hollow polymer latex particle preparation

Behandlung der Wirbelsäulenfraktur bei ankylosierender Spondylitis

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