Stress leak point pressures and urethral pressure profile tests in clinically normal female dogs

Clarence A. Rawlings From the Departments of Small Animal Medicine (Rawlings, Coates, Chernosky, Barsanti, Oliver) and Physiology and Pharmacology (Rawlings, Barsanti, Oliver), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Joan R. Coates From the Departments of Small Animal Medicine (Rawlings, Coates, Chernosky, Barsanti, Oliver) and Physiology and Pharmacology (Rawlings, Barsanti, Oliver), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Adriene Chernosky From the Departments of Small Animal Medicine (Rawlings, Coates, Chernosky, Barsanti, Oliver) and Physiology and Pharmacology (Rawlings, Barsanti, Oliver), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Jeanne A. Barsanti From the Departments of Small Animal Medicine (Rawlings, Coates, Chernosky, Barsanti, Oliver) and Physiology and Pharmacology (Rawlings, Barsanti, Oliver), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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John E. Oliver From the Departments of Small Animal Medicine (Rawlings, Coates, Chernosky, Barsanti, Oliver) and Physiology and Pharmacology (Rawlings, Barsanti, Oliver), College of Veterinary Medicine, University of Georgia, Athens, GA 30602-7390.

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Abstract

Objective

To develop a stress leak point pressure (LPP) test for dogs, determine LPP for continent female dogs, and determine urethral pressure profile (UPP) values for nonanesthetized, continent female dogs.

Animals

22 continent female dogs weighing from 21 to 29 kg.

Procedure

A standard UPP test and a modification of the LPP test used in women were performed on all dogs. On 3 occasions, dogs underwent UPP testing while awake. They then were anesthetized with propofol, and LPP was measured at bladder volumes of 75. 100, and 150 ml. For LPP tests, abdominal pressure was applied by inflating a human blood pressure cuff placed around the dog’s abdomen. LPP were recorded through a urethral catheter (bladder LPP) and a rectal balloon catheter (abdominal LPP).

Results

Mean ± SD and median maximal urethral closure pressure was 110.1 ± 20.2 and 109.0 cm water, respectively. Mean bladder LPP for the 75, 100, and 150 ml bladder volumes was 172.4 cm water. Significant differences among LPP for the 3 bladder volumes were not detected.

Conclusions

Stress LPP can be recorded in female dogs. (Am J Vet Res 1999;60:676–678)

Abstract

Objective

To develop a stress leak point pressure (LPP) test for dogs, determine LPP for continent female dogs, and determine urethral pressure profile (UPP) values for nonanesthetized, continent female dogs.

Animals

22 continent female dogs weighing from 21 to 29 kg.

Procedure

A standard UPP test and a modification of the LPP test used in women were performed on all dogs. On 3 occasions, dogs underwent UPP testing while awake. They then were anesthetized with propofol, and LPP was measured at bladder volumes of 75. 100, and 150 ml. For LPP tests, abdominal pressure was applied by inflating a human blood pressure cuff placed around the dog’s abdomen. LPP were recorded through a urethral catheter (bladder LPP) and a rectal balloon catheter (abdominal LPP).

Results

Mean ± SD and median maximal urethral closure pressure was 110.1 ± 20.2 and 109.0 cm water, respectively. Mean bladder LPP for the 75, 100, and 150 ml bladder volumes was 172.4 cm water. Significant differences among LPP for the 3 bladder volumes were not detected.

Conclusions

Stress LPP can be recorded in female dogs. (Am J Vet Res 1999;60:676–678)

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