Effects of maternal prone position on the umbilical arterial flow

Nakai, Yuichiro; Mine, Makiko; Nishio, Junko; Maeda, Takeshi; Imanaka, Makoto; Ogita, Sachio

doi:10.1034/j.1600-0412.1998.771003.x

Cited by 34 publications

(13 citation statements)

References 5 publications

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“…The position is utilised in the allied health fields and for relaxation and massage in pregnancy. In this position uterine compression of the large abdominal vessels is almost completely alleviated with a concomitant reduction in abdominal vascular resistance and improved abdominal blood flow [ 1 ]. In non-pregnant critically ill adults, respiratory mechanics are also improved [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

The prone position in healthy pregnant women and in women with preeclampsia – a pilot study

Dennis

Hardy

Leeton

2018

BMC Pregnancy Childbirth

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BackgroundThe prone position is rarely used in medical settings in pregnancy. There is no published information about the prone position in women with preeclampsia. This study examined the feasibility and acceptability of the prone position in pregnant women, and the short-term effect of the prone position on blood pressure (BP) in term healthy pregnant women and in women with preeclampsia.MethodsAfter ethics approval, written consent and trial registration (ACTRN:12615000160538 registered 18/02/2015, date of first participant enrolled 03/03/2015), 50 healthy term pregnant women and 15 women with preeclampsia had BP, heart rate (HR), oxygen saturation (SpO2), respiratory rate (RR), fetal heart rate (FHR) and comfort levels measured in two positions: left lateral, and prone. Measurements were after five minutes rest in each position.ResultsMean ± SD age, gestation and body mass index for healthy pregnant women was 33 ± 4.1 years, 38 ± 1.0 weeks and 27 ± 3.2 kg.m− 2 and for women with preeclampsia was 32 ± 4.7 years, 36 ± 3.4 weeks, 31 ± 5.6 kg.m− 2 respectively. No clinically significant changes occurred in healthy pregnant women in the prone position. Systolic BP was reduced in the prone position in women with preeclampsia (P = 0.019, mean difference − 6.6 mmHg, 95% confidence interval − 11.9 to − 1.3 mmHg). 33% of women with preeclampsia experienced a 10 mmHg or greater reduction in systolic BP in the prone position. 42% of healthy pregnant women and 47% of women with preeclampsia preferred the prone position to lateral.ConclusionsThis is the first study to examine the prone position in women with preeclampsia. For short periods of time the prone position is feasible and comfortable in pregnant women including those at term. The prone position may reduce systolic BP in women with preeclampsia without obvious adverse effects. Larger studies with women lying for longer periods in the prone position are required. Pregnancy should not be a contraindication to the prone position for short periods of time.Trial registration ACTRN:12615000160538 Electronic supplementary materialThe online version of this article (10.1186/s12884-018-2073-x) contains supplementary material, which is available to authorized users.

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Section: Introductionmentioning

confidence: 99%

The prone position in healthy pregnant women and in women with preeclampsia – a pilot study

Dennis

Hardy

Leeton

2018

BMC Pregnancy Childbirth

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“…Nevertheless, difficulties like fetal monitoring and increased epidural venous bleeding may be encountered. Prone position for surgery is safe during the first and early second trimester, but a left lateral position is preferable for the latter part of the second trimester and third trimester [5]. An additional care should be taken for the position of the pregnant woman during surgery for excessive pressure can cause preterm delivery [6].…”

Section: Discussionmentioning

confidence: 99%

Anaesthesia for Spinal Tumor in the Pregnant Patient: A Case Report

Khanal

Adhikari

Uprety

et al. 2017

JACCOA

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The spinal cord tumor being rare in pregnancy can cause serious problems continuing pregnancy. Extensive neurological involvement which is rapidly progressive due to compression should be considered for immediate decompression. We present a case of a patient in the 17 th weeks of pregnancy who had paraparesis due to thoracic intradural extramedullary meningoma. Surgical intervention was deemed necessary and was performed in the prone position. The early operative treatment and appropriate anaesthetic procedure resulted in good clinical outcome with complete neurological recovery.

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“…Uterine blood flow during prone positioning has been examined by Nakai et al 2 . They took 23 healthy women at 34 weeks gestation and laid them in a supine, right lateral, left lateral and prone position.…”

Section: Discussionmentioning

confidence: 99%

Positioning a proned patient with cauda equina syndrome who presents at 15 weeks gestation: a case report

et al. 2014

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Effects of maternal prone position on the umbilical arterial flow

Abstract: The maternal prone position can provide complete relief of uterine compression of the large maternal vessels.

Cited by 34 publications

References 5 publications

The prone position in healthy pregnant women and in women with preeclampsia – a pilot study

The prone position in healthy pregnant women and in women with preeclampsia – a pilot study

Anaesthesia for Spinal Tumor in the Pregnant Patient: A Case Report

Positioning a proned patient with cauda equina syndrome who presents at 15 weeks gestation: a case report

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