The spine journal : official journal of the North American Spine Society · 2014
Low clinical relevance of a prevalent vertebral fracture in elderly men--the MrOs Sweden study.
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Kherad Mehrsa, Rosengren Björn E, Hasserius Ralph, Nilsson Jan-Åke, Redlund-Johnell Inga, Ohlsson Claes, Lorentzon Mattias, Mellström Dan, Karlsson Magnus K
Аннотация
BACKGROUND CONTEXT: The epidemiology, the fracture pattern, and the clinical relevance of prevalent vertebral fractures in old men are debated wherefore we set out to clarify these issues.
METHODS: Mister Osteoporosis (MrOs) Sweden is a population-based cohort of community-living men aged 69-81 years that includes 3,014 men. Out of these, 1,453 men underwent a lateral radiograph of the thoracic and lumbar spine of which 1,427 were readable and classified by a radiologist, that is the sample size in this study. The men also answered a questionnaire evaluating back pain and limitation in activities of daily living (ADLs) because of back pain during the preceding 12 months in addition with fracture history and life style.
RESULTS: Fifteen percentage of the men had at least one prevalent vertebral fracture, but only 1/10th of these were aware of their fracture. Among the men with a fracture, 58% had one, 21% two, 9% three, and 11% four or more fractures. In men with only one fracture, 70% of the fractures were located in the thoracic and 30% in the lumbar spine, 85% had a wedge, 13% a biconcave, and 2% a crush-type configuration; one-quarter had a maximum vertebral body compression degree of less than 24% and one-quarter of more than 38%. Among the men with one or several vertebral fracture, 57% reported back pain compared with 55% in those without a fracture (p=.53). Most ADL functions were similar in the men with or without a prevalent vertebral fracture. In the men with one fracture, there was no difference in the occurrence of back pain depending on the fractured region (p=.49), type of the fracture (p=.77), or degree of compression (p=.85). In men with one or several fractures, there were no significant differences in the presence of back pain in any ages (p=.08), nor there were differences in presence of back pain regarding type (p=.08) or number of fractures (p=.21).
CONCLUSIONS: A prevalent vertebral fracture is common in old men but has low clinical relevance. There does not seem to be a specific fracture pattern that predisposes for back pain.
METHODS: Mister Osteoporosis (MrOs) Sweden is a population-based cohort of community-living men aged 69-81 years that includes 3,014 men. Out of these, 1,453 men underwent a lateral radiograph of the thoracic and lumbar spine of which 1,427 were readable and classified by a radiologist, that is the sample size in this study. The men also answered a questionnaire evaluating back pain and limitation in activities of daily living (ADLs) because of back pain during the preceding 12 months in addition with fracture history and life style.
RESULTS: Fifteen percentage of the men had at least one prevalent vertebral fracture, but only 1/10th of these were aware of their fracture. Among the men with a fracture, 58% had one, 21% two, 9% three, and 11% four or more fractures. In men with only one fracture, 70% of the fractures were located in the thoracic and 30% in the lumbar spine, 85% had a wedge, 13% a biconcave, and 2% a crush-type configuration; one-quarter had a maximum vertebral body compression degree of less than 24% and one-quarter of more than 38%. Among the men with one or several vertebral fracture, 57% reported back pain compared with 55% in those without a fracture (p=.53). Most ADL functions were similar in the men with or without a prevalent vertebral fracture. In the men with one fracture, there was no difference in the occurrence of back pain depending on the fractured region (p=.49), type of the fracture (p=.77), or degree of compression (p=.85). In men with one or several fractures, there were no significant differences in the presence of back pain in any ages (p=.08), nor there were differences in presence of back pain regarding type (p=.08) or number of fractures (p=.21).
CONCLUSIONS: A prevalent vertebral fracture is common in old men but has low clinical relevance. There does not seem to be a specific fracture pattern that predisposes for back pain.