Use of gastric balloon manometry for estimation of intra‐abdominal pressure in horses

Canola, Paulo Aléscio; Perotta, João Henrique; Laskoski, Luciane Maria; Escobar, André; Silva, C. A. Melo e; Canola, Júlio Carlos; Johnson, Philip J.; Valadão, Carlos Augusto Araújo

doi:10.1111/j.2042-3306.2010.00359.x

Cited by 5 publications

(19 citation statements)

References 24 publications

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“…Ventral abdominocentesis is commonly performed as part of the evaluation of acute abdominal disease in horses, and may offer a practical and easy method to determine IAP in the clinical setting. Further investigation evaluating ventral IAP in horses with abdominal disease (eg, colic, hydrops allantois/amnion) is required to determine the diagnostic value of ventral IAP measurements in clinical decision making as has been suggested by previous investigators …”

Section: Discussionmentioning

confidence: 99%

“…Intravesicular pressure as an indirect measure and minimally invasive technique for IAP determination is considered the technique of choice over direct intraperitoneal cannulation . Several studies have reported poor correlation between indirect IAP (intravesicular and intragastric) and direct IAP measured in standing horses. High intra‐ and interindividual variability observed with indirect techniques makes direct abdominal cannulation the preferred method of IAP assessment in horses …”

Section: Introductionmentioning

confidence: 99%

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Direct intra‐abdominal pressures and abdominal perfusion pressures in unsedated normal horses

Hurcombe¹,

Scott²

2012

J Vet Emergen Crit Care

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Objectives To determine whether direct intra-abdominal pressures (IAP) and calculated direct abdominal perfusion pressures (APP) are location dependent within the abdomen of standing horses. We hypothesize that IAP will be increased and calculated APP will be decreased at a ventral abdominal location (V) when compared to values obtained from the left (LFl) or right flank (RFl). Design Prospective experimental design. Setting University-based equine research facility. Animals Seven healthy adult horses, 4 geldings and 3 mares. Interventions Measurements of direct IAP obtained from the RFl, LFl, and V locations via abdominal cannulation and direct arterial blood pressures obtained via catheterization of the transverse facial artery were obtained in fasted, standing, unsedated horses. APP was calculated for each location by the subtraction of IAP from the mean arterial pressure. Differences between sites of measurement for IAP, APP, and their gradients were calculated and compared by ANOVA and t-tests. Measurements and Main Results Mean flank IAP measurements were subatmospheric and negative compared to ventral IAP values (LFl = −3 mm Hg, RFl = −5 mm Hg, V = 25 mm Hg; P < 0.001 between each flank and the ventral location). Ventrum APP was lower than flank APP (V = 82 mm Hg; LFl = 106 mm Hg; RFl = 108 mm Hg; P = 0.029 between each flank and the ventral location). Gradient calculations between sites showed the IAP increased and APP decreased from dorsal to ventral (P < 0.05) and from right to left (P = 0.004) within the abdomen. Conclusions IAP and calculated APP are location dependent. These data provide new information regarding abdominal pressure profiles in standing healthy adult horses.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Direct intra‐abdominal pressures and abdominal perfusion pressures in unsedated normal horses

Hurcombe¹,

Scott²

2012

J Vet Emergen Crit Care

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“…Similarly to the descriptions for IBP measurement, both air‐filled (Slocombe et al . 1991; Canola et al . 2011b) and fluid‐fluid (Munsterman and Hanson 2011) systems have been used for the purpose of assessment of IAP using IGP in horses.…”

Section: Clinical Measurement Of Iapmentioning

confidence: 99%

“…2011b) and fluid‐fluid (Munsterman and Hanson 2011) systems have been used for the purpose of assessment of IAP using IGP in horses. Gastric balloon distention volumes ranging from deflated balloon (zero) up to 100 ml of infused air, following catheter placement in an emptied stomach (air‐filled system) (Canola et al . 2011b), and from a deflated stomach up to 3000 ml of fluid for gastric distention (fluid‐filled system) (Munsterman and Hanson 2011) have been described.…”

Section: Clinical Measurement Of Iapmentioning

confidence: 99%

“…Only a few reports of either the clinical significance of IAH or the validation of clinically practical methods for the estimation of IAP have been published regarding horses (Southwood and Wilkins 2005; Canola et al . 2009, 2011a,b; Munsterman and Hanson 2009, 2011). This review seeks to present an overview of the value of clinical recognition of IAH for equine cases, highlighting the clinical problems with which IAH may be associated, discussing its pathophysiological implications, and summarising what has been done to provide veterinarians with a method for evaluating IAP in this species.…”

Section: Introductionmentioning

confidence: 99%

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Intra‐abdominal hypertension in horses

Canola

Johnson

2011

Equine Veterinary Education

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Summary Intra‐abdominal hypertension (IAH) may lead to a multiple organ dysfunction syndrome associated with significant dysfunction of the cardiovascular, respiratory, renal, gastrointestinal and central nervous systems of human patients. A recent prospective multicentre epidemiological investigation in man concluded that IAH was associated with an increased risk of mortality in critically ill patients. In this review, we present current information pertaining to the potential clinical importance of IAH in the context of equine clinical practice. In conclusion, consideration of intra‐abdominal pressure should be a part of the clinical assessment of patient well‐being in critically ill equine patients.

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Alternative Intrabladder Manometry Technique for the Indirect Measurement of Intra-abdominal Pressure in Horses

Canola

Perotta

Dias

et al. 2012

Journal of Equine Veterinary Science

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Although indirect methods for estimating intra-abdominal pressure (IAP) have been extensively studied in humans, mainly for identification of IAP increments in critical care unit patients (life-threatening condition), little work has been performed in veterinary medicine, especially in horses. The standard method of acquisition of intrabladder pressure (IBP) in human subjects (fluid-filled system with no balloon distention) has been previously evaluated in horses with an unfavorable outcome. Therefore, we reexamined the previously performed method of IBP investigation in horses by using an air-filled intrabladder manometry system in female horses. Intrabladder pressure was estimated by air-filled balloon manometry in seven healthy adult mares. The results were compared with two sets of directly acquired IAP values obtained by right paralumbar puncture using an 8-G needle in seven horses. Direct IAP values were obtained at times unrelated to IBP measurement acquisitions, and three of the seven horses used (for direct IAP measurement) were different animals from the mares used for assessment of IBP. Both sets of IAP measurements yielded subatmospheric values (IAP 1 ¼ À10.5 AE 2.2 mm Hg; IAP 2 ¼ À11.6 AE 2.0 mm Hg). Slightly subatmospheric IBP values were also recorded in some mares, but the mean (AESD) IBP was 1.4 AE 2.0 mm Hg. There was no correlation between IBP and IAP. These results suggest that this indirect (IBP) method for estimating IAP is not applicable for female horses.

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Use of gastric balloon manometry for estimation of intra‐abdominal pressure in horses

Abstract: Our results suggest that the indirect method used in human patients for estimating IAP by P(ga) is not applicable for horses.

Cited by 5 publications

References 24 publications

Direct intra‐abdominal pressures and abdominal perfusion pressures in unsedated normal horses

Direct intra‐abdominal pressures and abdominal perfusion pressures in unsedated normal horses

Intra‐abdominal hypertension in horses

Alternative Intrabladder Manometry Technique for the Indirect Measurement of Intra-abdominal Pressure in Horses

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