Search

In this paper, an attempt will be made to discuss the likely context for pre-plague indications of expropriation and its limits. There is plentiful evidence of an active land market in medieval villages by the end of the thirteenth century, and most likely for some time earlier. Fluctuation in the rate of buying and selling coincided with difficult harvest years and suggests a link between impecunious peasant sellers and wealthier peasant buyers. There is also some association between the selling of land and pre-existing indebtedness. In a period of partial commercial and market development, the extent to which exchange of land or of moveables proceeded to a significant structural redistribution of land and resources was constrained, and even in those parts of the country where an early peasant land market was well-established, significant adjustment is not evident. Instead, impediments to expropriation, such as seigneurial control of peasant land and limited capacity for extensive capital accumulation, acted as constraints on significant accumulation and redistribution. That said, there is limited suggestion in our sources of a redistribution of property rights associable with inequality of dealing and the advantage of wealthier landholders and creditors. In exploring this last point, particular use is made of the court records for the Welsh marcher lordship of Dyffryn Clwyd.

BACKGROUND: Occipital-cervical fusion (OCF) and ventral decompression (VD) may be used in the treatment of pediatric Chiari-1 malformation (CM-1) with syringomyelia (SM) as adjuncts to posterior fossa decompression (PFD) for complex craniovertebral junction pathology. OBJECTIVE: To examine factors influencing the use of OCF and OCF/VD in a multicenter cohort of pediatric CM-1 and SM subjects treated with PFD. METHODS: The Park-Reeves Syringomyelia Research Consortium registry was used to examine 637 subjects with cerebellar tonsillar ectopia ≥ 5 mm, syrinx diameter ≥ 3 mm, and at least 1 yr of follow-up after their index PFD. Comparisons were made between subjects who received PFD alone and those with PFD + OCF or PFD + OCF/VD. RESULTS: All 637 patients underwent PFD, 505 (79.2%) with and 132 (20.8%) without duraplasty. A total of 12 subjects went on to have OCF at some point in their management (PFD + OCF), whereas 4 had OCF and VD (PFD + OCF/VD). Of those with complete data, a history of platybasia (3/10, P = .011), Klippel-Feil (2/10, P = .015), and basilar invagination (3/12, P