The effect of levels of calcium sulphate on the yield and composition of a grass and clover pasture

1956 ◽  
Vol 7 (3) ◽  
pp. 290-300 ◽  
Author(s):  
T. W. Walker ◽  
A. F. R. Adams ◽  
H. D. Orchiston
Keyword(s):  
Calcium Sulphate ◽  
Clover Pasture

The reactivity of calcium sulphate hemihydrate

1966 ◽  
Vol 16 (3) ◽  
pp. 78-80
Author(s):  
M. J. Ridge ◽  
H. Surkevicius
Keyword(s):  
Calcium Sulphate ◽  
Calcium Sulphate Hemihydrate

scholarly journals Surgical Treatment of Diabetic Foot Ulcers Complicated by Osteomyelitis with Gentamicin-Loaded Calcium Sulphate-Hydroxyapatite Biocomposite

2021 ◽  
Vol 10 (2) ◽  
pp. 371
Author(s):  
Kor H. Hutting ◽  
Wouter B. aan de Stegge ◽  
Jaap J. van Netten ◽  
Wouter A. ten Cate ◽  
Luuk Smeets ◽  
...  
Keyword(s):  
Wound Healing ◽  
Surgical Treatment ◽  
Treatment Regimen ◽  
Diabetic Foot ◽  
Prospective Trial ◽  
Calcium Sulphate ◽  
Foot Ulcers ◽  
Ulcer Recurrence ◽  
Diabetic Foot Ulcers ◽  
Cox Regression Analysis

Diabetic foot ulcers, complicated by osteomyelitis, can be treated by surgical resection, dead space filling with gentamicin-loaded calcium sulphate-hydroxyapatite (CaS-HA) biocomposite, and closure of soft tissues and skin. To assess the feasibility of this treatment regimen, we conducted a multicenter retrospective cohort study of patients after failed conventional treatments. From 13 hospitals we included 64 patients with forefoot (n = 41 (64%)), midfoot (n = 14 (22%)), or hindfoot (n = 9 (14%)) ulcers complicated by osteomyelitis. Median follow-up was 43 (interquartile range, 20–61) weeks. We observed wound healing in 54 patients (84%) and treatment success (wound healing without ulcer recurrence) in 42 patients (66%). Treatment failures (no wound healing or ulcer recurrence) led to minor amputations in four patients (6%) and major amputations in seven patients (11%). Factors associated with treatment failures in univariable Cox regression analysis were gentamicin-resistant osteomyelitis (hazard ratio (HR), 3.847; 95%-confidence interval (CI), 1.065–13.899), hindfoot ulcers (HR, 3.624; 95%-CI, 1.187–11.060) and surgical procedures with gentamicin-loaded CaS-HA biocomposite that involved minor amputations (HR, 3.965; 95%-CI, 1.608–9.777). In this study of patients with diabetic foot ulcers, complicated by osteomyelitis, surgical treatment with gentamicin-loaded CaS-HA biocomposite was feasible and successful in 66% of patients. A prospective trial of this treatment regimen, based on a uniform treatment protocol, is required.

Influence of sintering on deposit formation during pool boiling of calcium sulphate solutions

2010 ◽  
Vol 34 (8) ◽  
pp. 1439-1447 ◽  
Author(s):  
M. Esawy ◽  
M.S. Abd-Elhady ◽  
M.R. Malayeri ◽  
H. Müller-Steinhagen
Keyword(s):  
Pool Boiling ◽  
Calcium Sulphate ◽  
Deposit Formation
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