Single paracostal approach to thoracic duct and cisterna chyli: experimental study and case series     

Staiger BA  Stanley BJ  McAnulty JF 《Veterinary surgery : VS》2011,40(7):786-794

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Effects of Negative Pressure Wound Therapy on Healing of Open Wounds in Dogs     

Marco Demaria DVM  Bryden J. Stanley BVMS  MVetSc  Diplomate ACVS  Joe G. Hauptman DVM  MS  Diplomate ACVS  Barbara A. Steficek DVM  PhD  Diplomate ACVP  Michele C. Fritz BSc  LVT  John M. Ryan MVB  MRCVS  Nathaniel A. Lam DVM  Trevor W. Moore DVM  Heather S. Hadley DVM 《Veterinary surgery : VS》2011,40(6):658-669

Objective: To compare the effect of negative pressure wound therapy (NPWT) with standard‐of‐care management on healing of acute open wounds in dogs. Study Design: Prospective, controlled, experimental study. Animals: Adult dogs (n=10). Methods: Full‐thickness 4 cm × 2 cm wounds were surgically created on each antebrachium and in each dog were randomized to receive either NPWT or standard wound dressings (CON) for 21 days. Dressing changes and wound evaluations were made at 8 time points. First appearance of granulation tissue, smoothness of granulation tissue, exuberance, percent epithelialization, and percent contraction were compared. Biopsies for histopathology were taken, and histologic scores determined, at 5 time points, and aerobic bacterial wound cultures performed at 2 time points. Results: Granulation tissue appeared significantly earlier, and was smoother and less exuberant in NPWT wounds compared with CON wounds. Percent contraction in NPWT wounds was less than CON wounds after Day 7. Percent epithelialization in NPWT wounds was less than CON wounds on Days 11, 16, 18, and 21. Histologic scores for acute inflammation were higher in NPWT on Day 3, and lower on Day 7, than CON wounds. Bacterial load was higher in NPWT on Day 7. Conclusion: NPWT accelerated appearance of smooth, nonexuberant granulation tissue; however, prolonged use of NPWT impaired wound contraction and epithelialization.  相似文献   

Changes in ocean water mass properties: oscillations or trends?   总被引：1，自引：0，他引：1  

Bryden HL  McDonagh EL  King BA 《Science (New York, N.Y.)》2003,300(5628):2086-2088

A new transindian hydrographic section across 32 degrees S reveals that thermocline mode waters have become saltier and colder since 1987. This change almost entirely reverses the observed freshening of mode waters from the 1960s to 1987 that has been interpreted to be the result of anthropogenic climate change on the basis of coupled climate models. Here, we compare five hydrographic sections from 1936, 1965, 1987, 1995, and 2002 to show that upper thermocline waters (10 degrees C to 17 degrees C) changed little from 1936 to 1965, freshened from 1965 to 1987, and since 1987 have become saltier. These results demonstrate substantial oscillations in mode-water properties.  相似文献   

Prevalence and risk factors for canine post‐anesthetic aspiration pneumonia (1999–2009): a multicenter study     

Dianna H Ovbey  Deborah V Wilson  Richard M Bednarski  Joe G Hauptman  Bryden J Stanley  Maryann G Radlinsky  M Paula Larenza  Bruno H Pypendop  Marlis L Rezende 《Veterinary anaesthesia and analgesia》2014,41(2):127-136

ObjectiveTo determine the incidence of canine post-anesthetic aspiration pneumonia (AP) and to identify anesthetic agents, procedures and management factors associated with the development of AP.Study designMulticenter, randomized, case-controlled retrospective study.AnimalsTwo hundred and forty dogs affected with AP and 488 unaffected control dogs.MethodsElectronic medical record databases at six Veterinary colleges were searched for dogs, coded for anesthesia or sedation and pneumonia from January 1999 to December 2009. The resultant 2158 records were hand-searched to determine eligibility for inclusion. Diagnosis of AP was made radiographically. Two unaffected control dogs were randomly selected for each affected dog, from a list of dogs that underwent sedation or anesthesia in the same time period and did not develop aspiration pneumonia. Fifty-seven factors were then evaluated for association with aspiration pneumonia. Data analysis was performed using univariate Chi-square or student t-tests, then multivariate logistic regression.ResultsIncidence of post-anesthetic AP was 0.17%, from 140,711 cases anesthetized or sedated over the 10 year period. Two anesthesia-related events were significantly associated with development of AP: regurgitation and administration of hydromorphone at induction. Administration of anticholinergics was not associated with AP. Procedures associated with increased odds of aspiration pneumonia included laparotomy, upper airway surgery, neurosurgery, thoracotomy and endoscopy. Orthopedic surgery, ophthalmologic surgery, dental procedures, MRI, CT, bronchoscopy, cystoscopy, tracheoscopy and neutering were not associated with development of AP. Three patient factors were associated with the development of AP: megaesophagus, and a history of pre-existing respiratory or neurologic disease. Sixty-nine% of dogs with two or more of the above independent predictive variables developed AP.Conclusion and clinical relevanceMost anesthetic agents and procedures were not associated with the development of AP. We need to devise and evaluate strategies to protect at risk patients.  相似文献   

A prospective clinical trial on the effects of inhaled albuterol on the Pao₂ of hypoxaemic anaesthetized horses     

SA Robertson  J Bailey  L Pablo  S Cantwell  WL Davies 《Veterinary anaesthesia and analgesia》2002,29(2):94-95

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Using U.S. Poison Control Center records to identify bystander pesticide exposures: a one-year surveillance of four southeastern states     

Bryden PA  McKnight RH  Westneat SC 《Journal of agricultural safety and health》2005,11(2):159-166

The extent to which bystanders are exposed to pesticide applications is unknown. Systematic monitoring around spray areas is not routine. Quantifying exposures is extremely difficult. Persons inadvertently exposed to pesticides often do not know the chemical or quantity, and persons living near areas of frequent field spraying may receive multiple exposures. In the U.S., concerns about health consequences from these exposures may prompt calls to poison control centers. The goal of this study was to determine what surveillance poison control centers can provide on environmental pesticide exposures to bystanders. We searched the American Association of Poison Control Centers' 2001 electronic medical records for exposure reports involving persons from 129 agriculturally intensive counties in Kentucky, Tennessee, Louisiana, and Arkansas that implicated at least one of 54 generic classifications of agricultural chemicals. We abstracted 980 pesticide-related records. Narrative sections were reviewed to determine bystander status of the exposed person. Forty-six bystander exposures were identified from 32 events. Bystander ages ranged from 2 to 81 (median: 45; 16 females, 13 males). All pertinent information for bystander classification came from narrative sections of the record. 28% identified aircraft crop dusters as the pesticide source. The most implicated substance was malathion (30.4%), while 19.6% did not know the exposure substance. 73.9% of cases were symptomatic; 65.2% of the exposed persons were seen in or referred to a healthcare facility. No hospitalizations or deaths were reported. Although they may underestimate the true numbers, U.S. poison control center data can provide valuable information about bystander environmental pesticide exposures.  相似文献   

A lame dog     

WL PORGES  ADJ WATSON 《Australian veterinary journal》1996,74(1):14-15

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AFLATOXIN CONTAMINATION OF AUSTRALIAN ANIMAL FEEDS AND SUSPECTED CASES OF MYCOTOXICOSIS   总被引：2，自引：0，他引：2  

W. L. Bryden  A. B. Lloyd  R. B. Cumming 《Australian veterinary journal》1980,56(4):176-180

Aflatoxin B₁ was detected in 23 of 55 Australian feedstuffs known to be either water damaged or visibly mouldy. The highest contamination was 0.7 mg/kg of feed and the mean concentration 0.14 mg/kg. Of 36 feedstuffs purchased from local manufacturers, only a peanut meal contained aflatoxin B₁ (0.5 mg/kg).
Eleven feedstuffs were associated with field outbreaks of animal disease and 7 of these contained aflatoxin. However, the level of aflatoxin contamination was insufficient to account for the described disease symptoms.  相似文献   

Exposure of mares to processionary caterpillars (Ochrogaster lunifer) in early pregnancy: An additional dimension to equine amnionitis and fetal loss     

A. J. Cawdell‐Smith  K. H. Todhunter  N. R. Perkins  W. L. Bryden 《Equine veterinary journal》2013,45(6):755-760

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Different Doses of Porcine Luteinizing Hormone in Precocious Puberty Induction in Gilts     

RD Gama  WL Vianna  ME Pinese  A de  Campos Rosseto  A de  Sant''Anna Moretti 《Reproduction in domestic animals》2005,40(5):433-435

The use of hormonal protocols in puberty induction and synchronization of oestrus has lead to an increase in the efficiency of replacement gilts. The aim of this study was to evaluate different doses of porcine LH in precocious puberty induction and oestrus synchronization in a homogeneous group of gilts. Sixty-seven homogeneous prepubertal gilts (Camborough 22) at 137 +/- 4 days of age and 87 +/- 7 kg were treated with three different hormonal protocols: T1--600 UI of equine chorionic gonadotrophin (eCG; Novormon) and after a 72-h period 5 mg of LH (Lutropin); T2--600 UI of eCG and a 72-h period 2.5 mg of LH; T3--600 UI of eCG and a 72-h period 1.25 mg of LH. The ovaries were examined at slaughter, on day 6 after the hormonal treatment. There were no statistical differences (p > 0.05) between the different LH doses in the percentage of the detected oestrus (T1 = 42.85%; T2 = 60.87%, T3 = 52.18%), oestrus duration (T1 = 41.44 +/- 16.30 h; T2 = 48.57 +/- 16.29 h, T3 = 39.33 +/- 11.42 h), number of corpora lutea (T1 = 9.61 +/- 5.43; T2 = 9.86 +/- 3.32, T3 = 8.13 +/- 5.52) and percentage of animals presenting ovarian cystic degeneration (T1 = 33.33%; T2 = 39.13%, T3 = 39.13%). The T2 (2.5 mg of LH) presented the lowest dispersion (p < 0.05) of the LH-ovulation interval (T1 = 37.17 +/- 4.07 h; T2 = 38.26 +/- 2.84 h; T3 = 36.25 +/- 5.69 h). The LH dose reduction to 2.50 and 1.25 mg presented equal results with the recommended dose of 5.0 mg, and could be used in the precocious induction of oestrus in gilts. The 2.5-mg LH dose showed the lowest dispersion of ovulation and it can be used in fixed-time artificial insemination programmes.  相似文献