Effect of Vasopressin on the Uteroplacental Circulation: An Angiographic Study in the Rabbit

Carter, Anthony Michael; Göthlin, Jan; Bengtsson, Lars Philip

doi:10.1530/jrf.0.0170419

Cited by 14 publications

(15 citation statements)

References 8 publications

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“…Little is known about the response of the maternal placental circulation, however, although it is this component that is of decisive importance for the well-being of the fetus. We have already demonstrated that the pharmacodynamics of both the myo¬ metrial and the maternal placental circulations can be studied by angiography in the rabbit (Carter, Göthlin & Bengtsson, 1968;Carter & Göthlin, 1970). In the present investigation, the angiographie technique has been used to study the role of adrenoceptors in the control of myometrial and placental blood flow in the rabbit.…”

Section: Introductionmentioning

confidence: 82%

Effect of Adrenergic Stimulation and Blockade on the Uteroplacental Circulation and Uterine Activity in the Rabbit

Carter¹,

Olin²

1972

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Responses of the myometrial and maternal placental circulations to adrenergic stimulation and blockade have been studied in the rabbit by serial angiography after selective catheterization of the urogenital artery. Changes in myometrial activity and arterial blood pressure have been registered and taken into account. Myometrial and placental blood flow was reduced by a few nanograms of noradrenaline or adrenaline, but increased after blockade of \g=a\adrenoceptors with phenoxybenzamine or thymoxamine. The main effect of phentolamine was to evoke a long series of myometrial contractions, which counteracted the tendency of this drug to improve placental perfusion. The \ g = b \ b l o c k i n g blocking agent, propranolol, had no effect at all on the parameters studied. Isoprenaline did not clearly affect myometrial and placental blood flow. Isoxsuprine, however, caused a slight increase by dilating the uterine arteries, possibly due to its papaverine-like properties. Both isoprenaline and isoxsuprine tended to depress myometrial activity. None of the drugs tested markedly affected distribution of uterine blood flow between the uterine wall and the placentae.

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Section: Introductionmentioning

confidence: 82%

Effect of Adrenergic Stimulation and Blockade on the Uteroplacental Circulation and Uterine Activity in the Rabbit

Carter¹,

Olin²

1972

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“…The description of the origin of the uterine artery is also inconsistent among these prior studies (Krause, ; Tsuzaki, ; Bensley, ; Carter et al, ; Göthlin and Carter, ; Carter et al, ; Dickson et al, ; Janson and Svendsen, ; Orsi et al, ; Barone, ). Although Bensley (), Orsi et al (), and Barone () reported that the uterine artery arose from the umbilical artery, Carter et al (), Göthlin and Carter (), and Carter et al () reported that the uterine artery emerged from their “urogenital artery” (see the Discussion below), which originated from the common or internal iliac arteries and also gave rise to the cranial vesical artery. Other studies stated that the uterine artery originated directly from the common iliac artery (Krause, ; Tsuzaki, ), the internal iliac artery (Janson and Svendsen, ), or the common or internal iliac artery (Dickson et al, ).…”

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confidence: 95%

“…As to the branches of the uterine artery, Orsi et al () reported that the uterine artery gave rise to the vaginal, urethral, vesical, and rectal branches via various branching patterns. In other studies, however (Krause, ; Tsuzaki, ; Bensley, ; Carter et al, ; Göthlin and Carter, ; Carter et al, ; Dickson et al, ; Janson and Svendsen, ), the branches from the uterine artery were not described in detail.…”

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confidence: 95%

Ramification Pattern of the Arteries Supplying the Rabbit Female Genital Organs

Kigata

Shibata

2019

The Anatomical Record

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Uterine adenocarcinoma occurs in more than 60% of female rabbits aged 4 years and over. To cure or prevent this uterine disorder, ovariohysterectomy should be performed. Although knowledge of the arterial supply to the ovary, uterus, and vagina is required, few studies have described the arterial anatomy. Therefore, we dissected ovarian, uterine, and vaginal arteries in 15 New Zealand White and 15 Japanese White rabbits to clarify the anatomy. The ovarian artery arose from the abdominal aorta, and in 50% of cases, the left artery emerged more cranially than the right artery. The ovarian artery provided the ovarian, uterine, and tubal branches with three branching types. The most frequent type (67% of the halves on the right and 63% of the halves on the left) exhibited three branches that independently arose from the ovarian artery. The uterine artery usually originated from the umbilical artery, with its ramification pattern divided into two types, having one or two uterine arteries, respectively. The most frequent type (all halves on the right and 83% of the halves on the left) had one uterine artery that originated from the umbilical artery. We observed three types of vaginal artery origins, with the branching type where the vaginal artery arose from the internal iliac artery being the most frequent (97% of the halves on the right and 90% of the halves on the left). The detailed arterial supply pattern of the rabbit female genital organs determined in the present study will be helpful when performing rabbit gynecological surgeries.

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“…The uterine artery has been described previously on arteriography as a distended vessel coming off the internal iliac artery in pregnant does (Carter et al, 1968). However, this branch was not visible in this study where rabbits were not allowed to mate.…”

Section: Discussionmentioning

confidence: 48%

Anatomical Variations in the Aortic Bifurcation in New Zealand White Rabbits on Arteriography

Balastegui

Ramos-Plá

Ferrer-Puchol

et al. 2014

The Anatomical Record

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The radiologic anatomy of the aortic bifurcation in the rabbit has received little study but it is important as this anatomical area is widely used in atherosclerosis research. Thirty rabbits were used to study the aortic bifurcation and subsequent branching patterns on arteriography. Fifteen different arteries were identified. Mean arterial diameters of 2.88 6 0.7 and 2.27 6 0.55 mm were obtained for the aorta and external iliac arteries, respectively. The cranial and middle aspects at the seventh lumbar vertebra (L7) were the most frequent anatomical landmarks (53.3% of the cases) for aortic and common iliac bifurcations, respectively. The caudal aspect of L6 was the most frequent origin (50% of the cases) for the median sacral artery. Deep circumflex iliac arteries originated from common iliac arteries and not the abdominal aorta in the rabbit, showing anatomical asymmetry in 73.3% of the cases. No gender disparity was found in the anatomical location of any of the arteries of the study. Knowledge of normal vascular landmarks for the aortic bifurcation as well as anatomical variations should be helpful to future experimental studies.

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Effect of Vasopressin on the Uteroplacental Circulation: An Angiographic Study in the Rabbit

Cited by 14 publications

References 8 publications

Effect of Adrenergic Stimulation and Blockade on the Uteroplacental Circulation and Uterine Activity in the Rabbit

Effect of Adrenergic Stimulation and Blockade on the Uteroplacental Circulation and Uterine Activity in the Rabbit

Ramification Pattern of the Arteries Supplying the Rabbit Female Genital Organs

Anatomical Variations in the Aortic Bifurcation in New Zealand White Rabbits on Arteriography

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