Measurement of Human Uterine Cervical Blood Flow by Local Hydrogen Gas Clearance

Klingenberg, I; Aukland, Knut

doi:10.3109/00016346909156661

Cited by 13 publications

(5 citation statements)

References 9 publications

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“…In two subsequent cervical blood flow measurements with intervals of 20-30 min, a flow decrease of about 15% from the first to the second measurement has previously been demonstrated (7). About the same reduction was obtained for myometrial blood flow in the present study.…”

Section: Resultssupporting

confidence: 90%

“…Local blood flow was measured by the hydrogen gas clearance method (1). The technique for measurement of cervical (7) and myometrial (8) blood flow is previously described. The insertion of the electrodes was performed with the patient lying in lithotomy position, and no anaesthesia or other drugs were given.…”

Section: Methods Materialsmentioning

confidence: 99%

“…Blood flow before oxytocin was given (upper part) was 102 7. The unbroken lines from the myometrium, the dotted lines from the cervix.…”

mentioning

confidence: 99%

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The Effect of Oxytocin on Human Uterine Blood Flow Measured by Local Hydrogen Clearance

Klingenberg

1974

Acta Obstet Gynecol Scand

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Local myometrial and cervical uterine blood flow were measured repeatedly in 45 women by the hydrogen gas clearance method. Mean myometrial blood flow in the postmenopausal women was 57.5 * 6.67 ml/min. 100 g and in the women of fertile age 105.5 8.36 ml/ min.lOO g. When oxytocin was given intravenously between measurements, no effect on myometrial blood flow was obtained in the postmenopausal women. In women of fertile age, myometrial blood flow was reduced to 18.9+ 5.08% of controls in the proliferative phase and to 33.1 *7.62% in the secretory phase 2 minutes after injection of oxytocin, whereas cervical blood flow in both phases showed no or only a slight reduction.

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Section: Resultssupporting

confidence: 90%

Section: Methods Materialsmentioning

confidence: 99%

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The Effect of Oxytocin on Human Uterine Blood Flow Measured by Local Hydrogen Clearance

Klingenberg

1974

Acta Obstet Gynecol Scand

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“…The flow scatter between areas in the same cervix might be due to infiltration and infection of the tumour tissue, but a similar variation was also observed in patients not suffering from cervical carcinoma (7). As discussed before (7) changes in the cervical connective tissue after childbirth and as a result of pathological conditions might be the reason for the variations. In the radiumtreated group various amounts of fibrosis might increase the flow differences.…”

Section: Discussionsupporting

confidence: 53%

The Effect of Radium on Blood Flow in the Human Uterine Cervix Measured by Local Hydrogen Clearance

Klingenberg

1974

Acta Obstet Gynecol Scand

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“…Blood flow in the dental pulp in incisors and premolars were measured by the H2-gas washout technique. This method has previously been shown to give reliable measurements of blood fiow in the dental pulp (6,7) and in a number of other tissues (8)(9)(10)(11).…”

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confidence: 99%

Pulpal blood flow in immature permanent dog teeth after replantation

Heyeraas

Myking

1985

European J Oral Sciences

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Heyeraas KJ, Myking AM: Pulpal blood flow in immature permanent dog teeth after replantation. Scand J Dent Res 1985; 93: 227-38. Abstract -Pulpal blood flow (PBF) was measured by Hj-gas clearance in 35 replanted (incisors and premolars) and 22 contralateral control dog teeth. The PBF measurements were taken 6, 10, 16, 21 and 28 days after replantation. At 6, 10 and 16 days after replantation there was no measurable blood flow in the coronal pulp of either replanted incisors or premolars. 21 days after replantation a considerable reduction in PBF was measured in all replanted teeth. On average, PBF was reduced to about one fifth of PBF in the simultaneously measured contralateral controls. Four weeks after replantation, a more than threefold increase in PBF was measured in premolars with two roots, while PBF in premolars with one root and incisors was consistently reduced to an average of 40% of the controls. The vascular pattern of the teeth 4 wk after replantation was identified with pcrfusion of silieon rubber. The measurements suggest that replanted multirooted teeth revascularize more easily than single-rooted teeth, and that pulpal repair is restored by a gradual replacement and proliferation of new tissue. "

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Measurement of Human Uterine Cervical Blood Flow by Local Hydrogen Gas Clearance

Cited by 13 publications

References 9 publications

The Effect of Oxytocin on Human Uterine Blood Flow Measured by Local Hydrogen Clearance

The Effect of Oxytocin on Human Uterine Blood Flow Measured by Local Hydrogen Clearance

The Effect of Radium on Blood Flow in the Human Uterine Cervix Measured by Local Hydrogen Clearance

Pulpal blood flow in immature permanent dog teeth after replantation

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