Japanese Journal of Veterinary Anesthesia & Surgery
Online ISSN : 1349-7669
Print ISSN : 0916-5908
ISSN-L : 0916-5908
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Volume 24, Issue 3
Displaying 1-5 of 5 articles from this issue
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  • Experimental and Clinical Evaluation of Intermittent Positive Pressure Ventilation Settings during Inhalation Anesthesia in Laterally Receumbent Horses
    Yutaka MIZUNO, Hiroko AIDA, Takashi UCHIYAMA
    1993 Volume 24 Issue 3 Pages 21-26
    Published: July 31, 1993
    Released on J-STAGE: September 09, 2010
    DOIhttps://doi.org/10.2327/jvas.24.21
    JOURNAL FREE ACCESS
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    Intermittent positive pressure ventilation (IPPV) settings were evaluated during experimental inhalation anesthesia in horses. Minute volume elavated with the increases in respiratory rate and end-inspiratory airway pressure. Among the settings in this study, 20-25 cmH2O end-inspiratory airway pressure and 6-8 breaths/min of respiration rate maintained the most satisfactory values in arterial blood pH, blood gases tensions and tidal volume. The above IPPV settings were used in clinical cases following spontaneous ventilation anesthesia (30 min) and respiration depression was improved.
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  • Usefulness of Intermittent Positive Pressure Ventilation for Improving Respiratory Depression during Anesthesia in Dorsally Recumbent Horse
    Yutaka MIZUNO, Hiroko AIDA, Yusuke IWASE, Hideaki HARA
    1993 Volume 24 Issue 3 Pages 27-33
    Published: July 31, 1993
    Released on J-STAGE: December 09, 2010
    DOIhttps://doi.org/10.2327/jvas.24.27
    JOURNAL FREE ACCESS
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    Arterial blood pressure, blood-gases and pH during anesthesia under spontaneous breathing or controlled intermittent positive pressure ventilation (IPPV) in dorsally recumbent horses were measured. Spontaneous breathing anesthesia (90 min) produced respiratory acidosis (blood pH; 7.275, PaCO ; 60.4 mmHg) and hypoxemia (57.7 mmHg) . On the contrary, controlled IPPV anesthesia (120 min) produced moderate acidosis (blood pH ; 7.414, PaCO2 ; 52.8 mmHg) and no hypoxemia. However, arterial blood pressure and arterial oxygen tension in either of the ventilation methods gradually decreased with the longer duration of anesthesia. In conclusion, the use of IPPV is usefull for improving arterial oxygenation in dorsally recumbent anesthetized horses. However, cardiopulmonary depression in prolonged anesthesia must be anticipated and further improvement of the method must be required.
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  • Evaluation of Superficial Gluteal Muscle Transposition for Repair of Perineal Hernia in the Dog
    Fumihito OHASHI, Hiromu KATAMOTO
    1993 Volume 24 Issue 3 Pages 35-40
    Published: July 31, 1993
    Released on J-STAGE: September 09, 2010
    DOIhttps://doi.org/10.2327/jvas.24.35
    JOURNAL FREE ACCESS
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    Complications of the superficial gluteal muscle transposition for repair of perineal hernia in 9 dogs were evaluated. The noticeable complications were rectal prolapse at recovery (2 dogs), wound infection and swelling (1 dog), hematoma of the thigh (1 dog), and recurrence (1 dog) . Sciatic paralysis and fecal incontinence after operations were not observed. However, those complications can be easily prevented by suture techniques and suitable managements before and after surgery. Thus it is suggested that the gluteal muscle transposition is a valuable technique for repair of perineal hernia.
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  • Changes in Cell-mediated Immunological Function after Operation in Dogs
    Youko NAKADA, Yuko TAKEBA, Shigeo TANAKA, Kei SATO, Toshifumi KOSAKA, ...
    1993 Volume 24 Issue 3 Pages 41-50
    Published: July 31, 1993
    Released on J-STAGE: September 09, 2010
    DOIhttps://doi.org/10.2327/jvas.24.41
    JOURNAL FREE ACCESS
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    Immunosuppressive effects in dogs after operation and anesthesia were investigated through the change in immunological activity of neutrophils, macrophages and peripheral blood lymphocytes (PBL) by chemiluminescence (CL) . In anesthesia group, changes in CL activity were minimal. In operation group, the increase in neurophil count and CL activity of whole blood (neurophils) was observed one day after operation. Reductions in macrophages and PBL activities were observed immediately after operation. However after these changes neutrophils activity reduced and macrophages and PBL activities increased to make peaks at 72 hr postoperation, respectively. These results suggest that immunological activities of these white blood cells contribute on defence mechanism in surgically stressed animals.
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  • Surgical Treatment of a Dog with Perforative Peritonitis after Excretion of a String Foreign Body
    Fumihito OHASHI, Erika NAKATA, Mika AOKI, Eiichiro BABA
    1993 Volume 24 Issue 3 Pages 51-55
    Published: July 31, 1993
    Released on J-STAGE: September 09, 2010
    DOIhttps://doi.org/10.2327/jvas.24.51
    JOURNAL FREE ACCESS
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    A 10-month-old beagle dog with perforative peritonitis after spontaneous excretion of a string foreign body was operated. Although swelling of the intestines and edema of the mesenteric border from the lower duodenum to the upper jejunum were obvious, debridement and suture of two perforated portions were performed as an initial operation. However, perforation replapsed on the 4th day of postoperation. Extensive excision of the swollen intestines was undertaken with the excellent prognosis. It was suggested that the extensive intestinal resection must be performed at an earlier phase of the diseases in such cases with an entensive laceration of the intestine by a string foreign body.
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