Key result
The pulmonary artery Doppler flow profile in healthy racing pigeons showed similar acceleration and deceleration phases, differing significantly from the aorta, and was unaffected by isoflurane.
Why the study?
Information regarding pulmonary artery blood flow in avian cardiology is scarce, whereas in human medicine its Doppler profile helps evaluate right heart pressure conditions.
Does anesthesia with isoflurane alter the Doppler sonographic blood flow profile of the pulmonary artery in healthy racing pigeons?
Observational
Does anesthesia with isoflurane alter the Doppler sonographic blood flow profile of the pulmonary artery in healthy racing pigeons?
The Doppler sonographic blood flow profile of the pulmonary artery in racing pigeons is stable under isoflurane anesthesia, suggesting its utility for assessing right heart pressure conditions in avian medicine.
Isoflurane leaves pulmonary artery Doppler profiles unchanged in pigeons; hypothesis-generating for right heart assessment in avian medicine.
There is scant information available about the blood flow of the pulmonary artery in avian cardiology. In human medicine, the shape of the Doppler sonographic blood flow profile of the pulmonary artery can be used to access the pressure conditions of the right heart. With this background, this study focused on the examination of the acceleration and deceleration phase of the pulsed-wave Doppler flow profile of the pulmonary artery of healthy racing pigeons. The results showed a significant difference between the pulmonary artery and aorta. The Doppler flow profile of the aorta was characterized by a short acceleration phase; however, the pulmonary flow profile revealed an acceleration similar to that of the deceleration phase. Neither profile changed considerably under the influence of heart rate changes and anesthesia with isoflurane. A negative correlation of the pulmonary acceleration phase with the left diastolic A wave and the systolic pulmonary blood flow velocities could be found. This indicates the influence of pressure changes in the heart on the flow profiles. The results of this study allow for the use of the shape of the Doppler sonographic blood flow profile of the pulmonary artery in the assessment of cardiovascular diseases in avian medicine, especially in racing pigeons.
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Girard et al. (2024) conducted an observational in Healthy racing pigeons. Isoflurane anesthesia vs. Awake state was evaluated on Acceleration and deceleration phase of the pulsed-wave Doppler flow profile. The pulmonary artery Doppler flow profile in healthy racing pigeons showed similar acceleration and deceleration phases, differing significantly from the aorta, and was unaffected by isoflurane.
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