How delayed 60 seconds saved a premature baby

Read and listen to the story of Baby Daisy Slater

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Auckland, May 21, 2018

A major international study that involved 312 babies from Aotearoa New Zealand has led to life-saving changes in the care of premature babies around the world.

Findings from the Australian Placental Transfusion Study (APTS), taken together with data from similar trials, showed that simply waiting 60 seconds after birth to clamp a premature baby’s umbilical cord dramatically improves its chances of survival.
Award for Research

Last week, the University of Sydney-led study, which involved New Zealand researchers, won the prestigious Australian Clinical Trials Alliance Clinical Trial of the Year award presented by the Australian Minister of Health.
Associate Professor Katie Groom, the Hugo Charitable Trust Clinical Research Fellow at the Liggins Institute, was involved in the study at National Women’s Health, Auckland City Hospital.

“Before this research, we were unsure how best to care for these very small and vulnerable babies at the time of birth,” she said.
Earlier practice

Dr Groom is also an obstetrician and maternal foetal medicine subspecialist at Auckland City Hospital. She said that it was standard practice, a few years ago, to clamp the cord immediately after preterm birth and hand the baby to a paediatrician, in case the baby needed urgent help with breathing (by inflating the lungs with oxygen via a tube passed into the windpipe, or via a facemask).
“But doctors now know that almost all preterm babies will start breathing by themselves in the first minute after birth, which meant it was safe to look into the effects of delaying clamping,” she said.
Reducing death risk
The research team behind the award-winning study, published last October, examined its results alongside 17 other randomised trials involving about 2800 babies born before 37 weeks’ gestation, and found that delayed clamping cuts the relative risk of death in hospital by a third. Babies were also less likely to need blood transfusions, and there was no apparent increase in complications for mother or baby.
Dr Groom said, “We are so pleased that New Zealand women and their babies had the opportunity to be involved in APTS. It’s such a great example of an international, high quality trial designed to answer a specific question. And because it was designed to allow researchers to combine results from similar trials, it generated even more powerful evidence, which is already changing practice and saving lives.”
Every year, around 5000 babies are born prematurely in New Zealand. The researchers estimate that worldwide, delayed clamping could save between 11,000 and 100,000 extra lives per year – and it costs nothing.
Timely help
It is thought that those extra, crucial seconds may allow premature babies to receive extra red and white blood and stem cells from the placenta, which may help them maintain healthy levels of oxygen, control infection better and repair injured tissue. It also gives them more time to start breathing by themselves, avoiding invasive procedures.
“A perfect result for the research team – and for thousands of families around the world,” Dr Groom said.
Daisy Salter Story

Waiting a minute before doctors clamped the umbilical cord connecting tiny Daisy Salter to her placenta was “the longest 60 seconds of our lives,” remembers Auckland mum Katie Salter.
Daisy was one of more than 1600 babies from 25 hospitals in seven countries who were in the Australian Placental Transfusion Study (APTS).
The participating New Zealand hospitals were Auckland City Hospital, Wellington Hospital, Christchurch Hospital, Waikato Hospital and Dunedin Hospital, with University of Auckland and University of Otago researchers in the international collaboration.
The Study contributed to new, powerful evidence that delaying clamping by a minute after birth for babies born before 37 weeks’ gestation lowers the relative risk of death in hospital by a third, and is safe for mothers and premature babies.
When Katie went into labour at just over 23 weeks, Katie’s obstetrician, Dr Katie Groom, asked Katie and husband Neil in the delivery suite if they would like to join the study.
Recalls Katie Salter: “Katie explained it very clearly, very concisely, and with no pressure whatsoever, and it felt very safe for us being part of the study because there was no risk to my baby or me, and potentially it could be really helpful to her. She said if there was any trouble with Daisy struggling to breathe they’d clamp her immediately, which was reassuring.”

Longest Minute
Daisy arrived via an emergency c-section. “After she was taken out that was when the delayed cord clamping happened, and that was probably the longest 60 seconds of our lives.
I couldn’t see her because I was lying on the operating table and my husband was, I think, too scared to watch, so we just had to put our complete trust in the professionals, and we waited. In retrospect, I think it was a very, very big part in how well Daisy did,” Katie said.
At 545 grams, Daisy weighed scarcely more than a pack of butter; small enough for Neil’s wedding band to fit around her arm. By the time Katie was stitched up and Daisy ventilated and stabilised, it was a couple of hours before mother and baby could touch, via a hole in the incubator.

The Little Fighter
“As I was wheeled out, I saw her little fist go up. She was born on the same day that Mohammed Ali died, and we thought it was fantastic we had a little fighter – it was a very good omen!”
Daisy spent 102 days in the neonatal intensive care unit (NICU). Katie and Neil had to juggle time at the hospital with time at home with their other, preschool daughter, Ila, who could not enter NICU because under-fives are not allowed in during winter due to infection risk.

At first, survival was touch and go, and as a very premature baby, Daisy faced high risks of serious ongoing health issues.

“It was probably the toughest thing that we have ever been through,” Katie said.
But against the odds, Daisy survived and thrived.

“Now she is an incredible, happy, relaxed, delightful almost-two year old,” Katie said.

“She’s full of beans, full of smiles, running around. She has completed our family and we can’t be grateful enough to the team at Auckland Hospital and everyone involved in her care. And we feel so proud and privileged that we were part of this study that is saving lives by providing such high quality evidence.”
Watch [youtube http://youtube.com/w/?v=fzIdrwA7bXY&feature=youtu.be] talking about Daisy’s birth and being in the Australian Placental Transfusion Study.
Associated articles: American Journal of Obstetrics and Gynaecology: Delayed versus immediate umbilical cord clamping: a systematic review and meta-analysis
The New England Journal of Medicine: Delayed versus immediate cord clamping in preterm infants.
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Source: University of Auckland

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Photo Caption:

  1. Dr Katie Groom
  2. Katie Slater with her baby Daisy

(Photos Supplied)

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