The effect of haemodialysis on transcutaneous oxygen tension in patients with diabetes - a pilot study

被引:39
作者
Hinchliffe, Robert J.
Kirk, Bernie
Bhattacharjee, Dipankar
Roe, Simon
Jeffcoate, William
Game, Fran [1 ]
机构
[1] City Hosp, Dept Endocrinol & Diabet, Foot Ulcer Trials Unit, Nottingham NG5 1PB, England
[2] City Hosp, Dept Renal Med, Nottingham NG5 1PB, England
关键词
amputation; diabetes; dialysis; foot ulcer; gangrene; renal failure;
D O I
10.1093/ndt/gfl241
中图分类号
R3 [基础医学]; R4 [临床医学];
学科分类号
1001 ; 1002 ; 100602 ;
摘要
Background. Established renal failure in diabetes is associated with a high incidence of foot ulcers and gangrene, and these are major causes of morbidity and mortality. It has been suggested that this problem is particularly associated with the onset of renal replacement therapy, and since there is evidence that haemodialysis causes hypoxaemia, we have undertaken a pilot study to determine the effect of haemodialysis on lower limb transcutaneous oxygen tension (TcpO(2)). Methods. TcpO(2) was measured on the dorsum of the foot through a single dialysis treatment and over the succeeding 4 h using a transcutaneous monitor (TCM400/3, Radiometer Ltd, Copenhagen, Denmark). Results. The median age (range) of the 10 (7 male) participants was 73 (58-83) years. The median duration of diabetes was 16.5 (7-30) years and that of dialysis treatment 29 (10-88) months. The median (range) baseline TcpO(2) on the dorsum of the foot was 54.5 (51-77) mmHg and 54.0 (24-87) at the end of dialysis. Median TcpO(2) at 1, 2 and 4 h after the end of dialysis was 50.0 (33-81), 49.0 (24-78) and 47.0 (20-78) mmHg. Analysis by ANOVA suggested a trend towards a difference between median TcpO(2) concentrations at different time points (F-(1.752,F- 15.765) = 3.359, P = 0.066). Conclusions. The data identified a trend towards a fall in lower limb TcpO(2), and that this fall continued for at least 4 h after the end of treatment. Dialysis-associated lower limb hypoxia may be a factor leading to the increased incidence of critical limb ischaemia in this group and further work is needed to define its cause and implications for clinical care.
引用
收藏
页码:1981 / 1983
页数:3
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