BMC Pregnancy and Childbirth | |
Finger joint laxity, number of previous pregnancies and pregnancy induced back pain in a cohort study | |
Per Kristiansson1  Anne Lindgren2  | |
[1] Department of Public Health and Caring Sciences, Family Medicine and Preventive Medicine Unit, Uppsala University, SE-751 22 Uppsala, Sweden;Department of Physiotherapy, Sundsvall Hospital, SE-851 85 Sundsvall, Sweden | |
关键词: Postpartum; Pregnancy; Back pain; Finger joint laxity; | |
Others : 1128525 DOI : 10.1186/1471-2393-14-61 |
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received in 2013-05-30, accepted in 2014-01-29, 发布年份 2014 | |
【 摘 要 】
Background
General joint hypermobility is estimated to affect about 10% of the population and is a prerequisite of heritable connective tissue disorders where fragile connective tissue is a prominent feature. Pregnancy induced back pain is common whereas about 10% of women still have disabling pain several years after childbirth. The pathogenesis of the pain condition is uncertain, although several risk factors are suggested including general joint hypermobility. In the present study, the possible association of peripheral joint mobility in early pregnancy on the incidence of back pain with onset during pregnancy and persisting after childbirth was explored.
Methods
A cohort of 200 pregnant women recruited from antenatal health care clinics was assessed by questionnaire and clinical examination, including measurement of passive abduction of the left fourth finger, throughout pregnancy and at 13 weeks postpartum. Comparisons were made between women with and without back pain. Statistical tests used were χ2-test, t-test, Spearman correlation and multiple logistic regression.
Results
In the cohort, the mean passive abduction angle of the left fourth finger increased from 40.1° in early pregnancy to 41.8° at the postpartum appointment. At the postpartum appointment, women in the back pain group had a significantly larger mean passive abduction angle of the left fourth finger of 4.4°, twice as many previous pregnancies and deliveries, and more than twice as frequent back pain in previous pregnancy, as compared with women with no persistent back pain. A similar pattern was displayed in late pregnancy. In a multiple regression analysis, the passive abduction angle of the left fourth finger in early pregnancy and the number of previous pregnancies were positively, significantly and independently associated to the incidence of back pain in late pregnancy and postpartum.
Conclusions
Finger joint laxity as a reflection of constitutional weakness of connective tissue and number of previous pregnancies were associated with the development of back pain induced in pregnancy and persisting after childbirth. These factors may provide a foundation for development of targeted prevention strategies, but this have to be confirmed in future research including measurement of general joint laxity.
【 授权许可】
2014 Lindgren and Kristiansson; licensee BioMed Central Ltd.
【 预 览 】
Files | Size | Format | View |
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20150224020906204.pdf | 339KB | download | |
Figure 2. | 36KB | Image | download |
Figure 1. | 63KB | Image | download |
【 图 表 】
Figure 1.
Figure 2.
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