Effect of body position on intra-abdominal pressures and abdominal perfusion pressures measured at three sites in horses anesthetized with short-term total intravenous anesthesia

Scott, Victoria H. L.; Williams, Jarred; Mudge, Margaret C.; Hurcombe, Samuel D.A.

doi:10.2460/ajvr.75.3.301

Cited by 10 publications

(16 citation statements)

References 33 publications

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“…16 Acquisition of IAP measurement in the present study was done Acute abdominal pain in the horse is the most common reason that horses present to a tertiary care facility on emergency. 12 IAH has been recently investigated in the healthy horse, 5,6,11 19 For the purpose of this study, the conventional approach using the mean + 2 SDs was used to determine a ventral IAP cutoff of 32 mm Hg. The drawback of the 95% CI (mean ± 2SD) method is that the upper limit found for negative (healthy) subjects may not coincide with the lower limit found for positive (diseased) cases.…”

Section: Discussionmentioning

confidence: 99%

“…6 Previous reports in horses have indicated that direct intraperitoneal cannulation is the gold standard method for direct measurement of IAP in the horse, with proposed sampling locations including the right flank, left flank, and ventral abdomen. 5,6,11 Colic represents the most common reason that horses present to tertiary care facilities on emergency, and it accounts for 31.2%…”

Section: Introductionmentioning

confidence: 99%

“…Several studies, however, have reported poor correlation between indirect IAP (ie, intravesicular 5 and intragastric 9,10 ) and direct IAP measurements in horses 6 . Previous reports in horses have indicated that direct intraperitoneal cannulation is the gold standard method for direct measurement of IAP in the horse, with proposed sampling locations including the right flank, left flank, and ventral abdomen 5,6,11 …”

Section: Introductionmentioning

confidence: 99%

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Prevalence of intra‐abdominal hypertension in horses with colic

Foth

Scott

Mudge

et al. 2020

J Vet Emergen Crit Care

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Objective: To determine an abdominal pressure cutoff value for intra-abdominal hypertension (IAH) in the horse and characterize IAH in horses with acute colic. Design: Prospective clinical cohort. Setting: University teaching hospital. Animals: Nine healthy adult horses and 56 horses with acute colic. Interventions: Ventral intra-abdominal pressure (IAP) was measured in triplicate at end expiration and averaged. Each colic case was classified as medical or surgical and large intestine (LI) or small intestine (SI). Management and final outcome (alive, euthanized, or died) were recorded. IAH was defined as ≥32 mm Hg (mean + 2 SDs of ventral IAP in control horses). Proportions of horses with and without IAH for different lesions were expressed as fractions and percentages. Differences in IAP between groups were determined using ANOVA with post-testing or t-tests. Odds ratio for management strategy (ie, need for medical or surgical) in horses with IAH was performed using Fisher's exact test. P < 0.05 was considered significant. Measurements and Main Results: IAP was higher in horses with colic compared to controls (P = 0.025). Over 18 months, 30.4% of horses with colic had IAH (n = 10 LI lesions, n = 7 SI lesions). Horses with LI medical lesions had the highest IAP of all lesions (mean 36.5 mm Hg). IAH horses with medical lesions were 15 times more likely to survive than IAH horses requiring surgery (P = 0.03). Conclusions: Acute colic in horses is associated with an increased ventral IAP compared with healthy controls. IAH does exist in horses with colic, notably LI medical lesions, and is associated with nonsurvival in horses that require surgery.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Prevalence of intra‐abdominal hypertension in horses with colic

Foth

Scott

Mudge

et al. 2020

J Vet Emergen Crit Care

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“…However, in the AC and A25 treatment conditions, all IAP measurements and blood samples were obtained with the dogs positioned in dorsal recumbency during anesthesia. Body position has been shown to affect IAP in both human and veterinary medicine . Although the optimal position for measuring IAP in dogs has not been determined (many studies use the lateral position in dogs, but the dorsal position in people and the sternal position in cats seems to be ideal), standing has not been evaluated and measurements in this position might not be accurate.…”

Section: Discussionmentioning

confidence: 99%

“…Body position has been shown to affect IAP in both human and veterinary medicine. 32,33 Although the optimal position for measuring IAP in dogs has not been determined (many studies use the lateral position in dogs, 2,7,9,10 but the dorsal position in people 1 and the sternal position in cats 11 seems to be ideal), standing has not been evaluated and measurements in this position might not be accurate.…”

Section: Discussionmentioning

confidence: 99%

Effect of intra‐abdominal hypertension on plasma exogenous creatinine clearance in conscious and anesthetized dogs

Jang

Son

et al. 2019

J Vet Emergen Crit Care

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Objective To evaluate the effect of intra‐abdominal pressure (IAP) on plasma exogenous creatinine clearance in both conscious and anesthetized dog models using a balloon technique to generate intra‐abdominal hypertension. Design Prospective, cross‐over, experimental study. Setting University‐based small animal research facility. Animals Six healthy male Beagle dogs. Interventions A balloon device comprising a Foley urinary catheter and latex balloon was placed in the intra‐abdominal cavity. Plasma exogenous creatinine clearance was compared after intravenous administration of exogenous creatinine solution at 80 mg/kg under 4 different treatment conditions as follows: control and IAP levels of 25 mm Hg in conscious dogs and control and IAP levels of 25 mm Hg in anesthetized dogs (CC, C25, AC, and A25, respectively). Samples were obtained before (T0) and 10, 20, 30, 60, 90, 120, 240, 360, 480, and 600 min after administration of creatinine in all treatment groups. Measurements and main results There were no significant differences in plasma creatinine concentration for CC, AC, and C25 during the treatment period. However, in the A25 treatment condition, the plasma creatinine concentration increased significantly at 10, 20, 30, 60, 90, and 120 min after administration of creatinine (P < 0.05). Plasma creatinine clearances were 5.0 ± 0.5, 4.7 ± 1.2, 5.5 ± 0.9, and 2.5 ± 0.5 mL/kg/min for 600 min (CC, AC, C25, and A25, respectively). In the A25 treatment condition, the plasma exogenous creatinine clearance decreased significantly to 50%, 47%, and 55% of that under control conditions (CC, AC, and C25, respectively). After decompression of the abdomen, plasma creatinine concentrations declined rapidly and returned to basal concentrations. Conclusions Intra‐abdominal hypertension under general anesthesia could cause renal hypoperfusion. Timely decompression may improve the outcome of acutely increased IAP when surgery and/or general anesthesia is required in canine patients.

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Complications During Recovery from General Anesthesia

Valverde

2021

Complications in Equine Surgery

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Effect of body position on intra-abdominal pressures and abdominal perfusion pressures measured at three sites in horses anesthetized with short-term total intravenous anesthesia

Abstract: Body position affected IAP and APP in healthy anesthetized horses. These effects should be considered when developing IAP acquisition methods for use in horses with abdominal disease.

Cited by 10 publications

References 33 publications

Prevalence of intra‐abdominal hypertension in horses with colic

Prevalence of intra‐abdominal hypertension in horses with colic

Effect of intra‐abdominal hypertension on plasma exogenous creatinine clearance in conscious and anesthetized dogs

Complications During Recovery from General Anesthesia

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