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Gardner RB Nydam DV Mohammed HO Ducharme NG Divers TJ 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2005,19(5):761-764
The purpose of this study was to test the hypothesis that horses with right dorsal displacement of the large colon (RDDLC) have elevations in serum gamma glutamyl transferase (GGT) activity when compared with horses with left dorsal displacement of the large colon (LDDLC). Medical records from 37 horses with RDDLC and 48 horses with LDDLC were reviewed. Horses were included for study if the RDDLC or LDDLC was confirmed by exploratory laparotomy or postmortem examination and if a serum GGT measurement was obtained within 24 hours before surgery. The proportion of horses with GGT activity within or above the reference range was determined. Of 37 horses, 18 (49%; exact binomial 95% confidence interval, 32-66%) with RDDLC and, of 48 horses, 1 (2%; 95% CI, 0-11%) with LDDLC had GGT above the reference range. Horses with RDDLC had higher serum GGT than did horses with LDDLC. Of 37 horses, 36 (97%) with RDDLC were discharged with a good prognosis and none returned as a result of hepatic disease. Evaluation of surgical and postmortem examinations revealed that positioning of the colon in horses with RDDLC results in compression of the bile duct, which can cause extrahepatic bile duct obstruction and a subsequent elevation in serum GGT activity. 相似文献
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基于加权Topsis法综合评价典型滩涂围垦区土壤质量演变 总被引：3，自引：0，他引：3
滩涂是我国重要的后备耕地资源,为探究围垦开发对沿海滩涂土壤环境的影响,对浙江省慈溪市不同围垦年限多种土地利用方式下的276个土壤/沉积物样品试验检测,结合Norm值优化主成分分析,筛选出有机质(OM)、氧化钙(Ca O)、硫(S)、溴(Br)、硼(B)、铅(Pb)、镉(Cd)7项指标的最小数据集,采用极差标准化和变异系数定权的Topsis法评价土壤质量,为揭示阻碍研究区土壤质量提升的障碍因子提供参考。结果显示:276个土壤/沉积物样本土壤质量综合指数为44.6~74.1,受围垦时间影响差异显著,呈前20 a逐步提高—20~30 a相对平稳—30~50 a急剧提高的趋势。从利用方式来看,土壤质量呈菜地果园农田林地养殖潮滩荒地的趋势。农业活动导致的增肥脱钙脱盐是围垦区土质提升的根本原因,但研究区土壤质量整体仍处于中度贫瘠水平,一级土壤仅占研究区总面积的7.1%,质量较差的四、五级土壤面积超一半。较低的OM和较高的Ca O、Cd是限制垦区土质提升的主要障碍因子。因此,土壤培肥时,合理施用化肥农药是进一步提升滩涂围垦区土壤质量的关键。 相似文献
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A. Defarges M. Dunn 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2008,22(6):1267-1273
Background: Electrohydraulic lithotripsy (EHL) has been used as an alternative to cystotomy in human medicine to remove urinary calculi. This prospective study evaluated the efficacy and safety of EHL to remove urinary calculi in dogs. Hypothesis: EHL is an efficient and safe method of treatment of bladder and urethral calculi in dogs. Methods: Dogs presented between January 1, 2005 and June 1, 2007 with lower urinary tract calculi diagnosed by radiographs or ultrasound examination were included in the study. Physical examination, CBC, biochemistry, urinalysis, and urine culture were performed at presentation. EHL and voiding urohydropulsion were performed under general anesthesia. Patients received IV fluids for 12 hours after which they were rechecked by ultrasound examination and discharged with antibiotics and anti‐inflammatory drugs for 5 days. All patients were reevaluated 1, 3, and 6 months after presentation by physical examination, urinalysis, and ultrasonography. Results: Twenty‐eight dogs (19 males, 9 females) presented with bladder or urethral calculi or both underwent lithotripsy. Their median weight was 8.3 kg. Calcium oxalate calculi were present in 22 dogs, struvite in 4, and mixed calculi in 2. Fragmentation was done in the bladder (23 dogs) and in the urethra (12 dogs). Calculus‐free rate was higher for urethral than for bladder calculi in males and higher for bladder calculi in females than in males. No major complications were reported. Twelve dogs relapsed within 6 months. Conclusions: Results of this study support the use of EHL as a minimally invasive treatment for bladder calculi in females and for urethral calculi in male dogs. 相似文献
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Antonio Cezar de Oliveira Dearo Roberta Garbelini GomesRafael Goulart Araújo DVM Peter ReichmannMariana Cosenza DVM Mariana Marcantonio Coneglian DVM 《Journal of Equine Veterinary Science》2009
Intestinal obstruction due to foreign body ingestion is one cause of colic in horses. Although it occurs more frequently in juveniles, adult horses also may be affected. The small colon is a common location in which foreign bodies can be found. Depending on the location of the obstruction in the small colon, different techniques to dislodge the foreign body toward areas where it can be safely exteriorized and removed can be attempted. Alternatively, different approaches to the abdomen can be performed to facilitate exteriorization of the obstructed segment and removal of the foreign body. This paper describes a case of large and small colon obstruction in an adult horse caused by two distinct foreign bodies. The large colon obstruction was removed through a pelvic flexure enterotomy using the ventral midline approach, and the small colon obstruction was removed through a small colon enterotomy using a paramedian approach. Information regarding signalment, history, clinical signs, surgical treatment, and follow-up status of the horse are described. 相似文献
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