5 This study showed that, compared with the NEXUS criteria, the Canadian C-Spine Rule was more sensitive (99.4 versus 90.7 percent) and more specific (45 versus 37 percent) in its intended population. The Canadian C-Spine Rule 2 ( Figure 1 5 ) was prospectively validated in 8,283 Canadian patients it also was compared to the NEXUS criteria in a large clinical trial. The patient with the second missed injury did not have neck pain but had a fracture at the right lamina of C-6 that eventually required laminectomy and fusion. Of the latter two missed injuries, one was described in one report (but not in others) as an “extension teardrop” fracture the patient refused treatment and was asymptomatic at six weeks. The NEXUS criteria correctly identified 810 out of 818 patients (99.0 percent) with C-spine injury and 576 out of 578 patients (99.7 percent) with clinically significant injury. The study included a broad range of patients, the age range was one to 101 years, and intoxicated patients were included. 3 Patients who did not have C-spine radiography or who had the test for reasons other than trauma were excluded. health centers with blunt trauma who underwent C-spine radiography. 1 The largest of these prospective validation studies included 34,069 patients presenting to 21 U.S. In some clinics and hospitals, X-ray pictures can be shown right away on a computer screen.The National Emergency X-Radiography Utilization Study (NEXUS) low-risk criteria for C-spine radiography in patients with blunt trauma ( Table 1 1 ) were developed and validated over a 10-year period. You will wait about 5 minutes until the X-rays are processed in case more pictures need to be taken. How long the test takesĪ spinal X-ray usually takes about 15 minutes. You need to lie very still to avoid blurring the pictures. If you have a neck brace (cervical collar) in place, X-ray pictures may be taken and a physical examination done to see whether the brace can be taken off without hurting the spine. This is done to prevent causing more injury. If the X-ray is being taken because of a possibly serious injury to your neck or back, a radiologist will look at the first X-ray pictures before taking others. You may be allowed to keep on your underwear if it does not get in the way of the test.ĭuring the X-ray test, you will lie on an X-ray table. You will be given a cloth or paper gown to use during the test. You may need to take off some of your clothes, depending on which area is examined. You will need to remove any jewellery that may be in the way of the X-ray picture. The most common spinal X-rays are of the cervical vertebrae (C-spine films) and lumbosacral vertebrae (LS-spine films). ![]() ![]() It takes a detailed view of the 5 fused bones at the bottom of the spine (sacrum) and the 4 small bones of the tailbone (coccyx). It takes pictures of the 5 bones of the lower back (lumbar vertebrae) and a view of the 5 fused bones at the bottom of the spine (sacrum). It takes pictures of the 12 chest (thoracic) bones. It takes pictures of the 7 neck (cervical) bones. So there are four common types of spinal X-rays: Cervical spine X-ray. Spinal X-rays are also done to check the curve of your spine ( scoliosis) or for spinal defects. These problems may include spinal fractures, infections, dislocations, tumours, bone spurs, or disc disease. They may be taken to find injuries or diseases that affect the discs or joints in your spine.
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