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Doctor gagged for doubting shaken baby syndrome

For discussion about the triad of symptoms for SBS. Retinal Haemorrhages, Subdural Haematomae etc.

Doctor gagged for doubting shaken baby syndrome

Postby TC » Fri Jul 30, 2010 2:32 pm

A PATHOLOGIST in the UK who argues that the trademark triad of symptoms of "shaken baby syndrome" (SBS) can have an innocent cause has been prevented from testifying in court as an expert witness. The restriction could stand until January 2012.

Yet, according to researchers and lawyers contacted by New Scientist, there are serious doubts about the safety of many shaken baby convictions. This is despite the fact that the triad of symptoms has been taken as evidence of murder for 40 years.

The pathologist in question, Marta Cohen of Sheffield Children's Hospital, learned of the restrictions following a private hearing on 22 July before the General Medical Council, the body that investigates complaints against doctors in the UK.

"The decision is appalling," says John Plunkett of the Regina Medical Center in Hastings, Minnesota, who has shown that short falls can cause the trademark symptoms said to be exclusive to child abuse.

The fear of similar outcomes means that British-based pathologists who dispute SBS are unwilling to take on cases of alleged child abuse. "It means that no one will take any head injury cases," said one, who asked not to be named. "If you disagree with the prosecution, you risk being called before the GMC."

The verdict appears under Cohen's registration details on the GMC website, stating that: "She must not give evidence as an expert witness in cases where there is alleged non-accidental head injury to an infant or child." It also makes clear that the restrictions are temporary precautions while the complaints against her are further investigated by the GMC.

It is not clear who complained to the GMC, but the motivation appears to come from criticisms circulated to prosecution services by a judge, Justice Eleanor King, following cases last year in which Cohen gave evidence. King's criticisms included accusing Cohen of developing a "scientific prejudice", of being "disingenuous" in her citing of research and unwilling to defer to prosecution expert witnesses.

The GMC will not explore the validity of the competing scientific theories about SBS, and will simply investigate Cohen's "fitness to practice". The GMC's ruling comes at a time when evidence is mounting that innocent events such as the birth process itself, choking, short tumbles and breathing difficulties can cause the classic symptoms (BMJ, vol 2, p 430).

A triad of markers
The three markers for a shaken baby diagnosis are retinal haemorrhages in both eyes; subdural haemorrhages between the fibrous dura layer that protects the brain and the brain surface beneath; and swelling of the brain. Subdural haemorrhages are said to arise from ripping and shearing of so-called bridging veins. New lines of evidence challenge this hypothesis with the discovery that subdural bleeds are much more common in babies than generally appreciated, and for a host of innocent reasons (see "Anatomy of a murder?").

Last year, Cohen and co-researcher Irene Scheimberg of Barts and the London NHS Trust examined post-mortem tissue from fetuses and newborns and found subdural haemorrhages in 16 of the 25 fetuses and 20 of the 30 newborns. They also found haemorrhages within the dural layer itself, suggesting that the bleeding started here (Pediatric and Developmental Pathology, DOI: 10.2350/08/08/0509.1). The research is just the latest of many reports to show that subdural bleeds can occur without shaking (see "Anatomy of a murder?").

No one doubts that frenzied shaking could cause the triad of symptoms, but only after severe accompanying damage to the neck. A baby's head striking a solid surface would also cause such damage but then there would be other evidence of an impact. For these reasons, there is increasing pressure for the triad not be used as evidence of guilt in the absence of any other evidence of child abuse. The American Academy of Pediatrics last year called for the phrase "shaken baby syndrome" to be replaced with "abusive head trauma". In the UK, the Royal College of Pathologists last December cautioned against viewing the triad as "absolute proof of traumatic head injury in the absence of any other corroborative evidence".

No independent witness has ever seen a shaken baby with such symptoms, the only evidence has come from confessions. Of 54 cases globally in which defendants admitted shaking a baby, only 11 had no signs of other injuries (The American Journal of Forensic Medicine and Pathology, DOI: 10.1097/01.paf.0000164228.79784.5a).

In 2001, Plunkett published 18 reports of all or some of the key symptoms in infants who had died after falling 60 centimetres to 3 metres (The American Journal of Forensic Medical Pathology, vol 22, p 1). In the same journal in 2004, (vol 25, p 89) Plunkett described evidence from a family video of a toddler with all the symptoms dying after a short fall.

The original concept of shaken baby syndrome arose not from research on babies but from road safety research published in 1968 on what happened to brains of adult monkeys when cars decelerated rapidly (Journal of the American Medical Association, vol 204, p 285). Since then, biomechanical studies using dummies as surrogates have concluded that shaking alone doesn't cause the classic symptoms. Oxygen shortage has been proposed as a possible cause of brain damage in infants by Jennian Geddes, a retired pathologist formerly of the Royal London Hospital. Although dismissed by the UK Supreme Court in 2005, some concepts behind Geddes's hypotheses have since been followed up.

In the US, momentum is building for a reappraisal of the status and validity of SBS as a way of diagnosing child abuse. There are also moves to reopen cases in which the triad may potentially have led to unsafe convictions.

The US Innocence Project, a nationwide network originating in New York City to identify and investigate potentially unsafe convictions, confirmed last week that they are looking into cases of SBS. "We believe there were a number of false scientific assumptions about these cases," says Barry Scheck, a founder of the Innocence Project.

"I'm involved in conversations around the possibility of creating an 'innocence commission' to look specifically into SBS," says Deborah Tuerkheimer of DePaul University College of Law in Chicago, and author of a recent law review calling for such a commission. She estimates that approximately 1500 Americans are serving sentences for SBS.

Tom Bohan, past president of the American Academy of Forensic Sciences, has been fighting for SBS to be reviewed for more than a decade. "All I've wanted is an impartial examination, as I've come to the conclusion that SBS is bogus," he says.

All I want is an impartial examination. I've come to the conclusion that shaken baby syndrome is bogus
Shaking won't damage vital brain veins
A central tenet behind the original concept of shaken baby syndrome is that the abuse would sever bridging veins that drain blood from the brain and direct it back to the heart via a channel in the brain.

Research is now showing that the bridging veins of infants are strong and seldom break when subdural haemorrhages occur. Julie Mack of Penn State Hershey Medical Center and her team found networks of hitherto unrecognised fluid channels and capillaries that develop in the protective dura about 30 weeks after birth. This is the time many shaken baby cases come to light (Forensic Science International, DOI: 10.1016/j.forsciint.2009.02.005).

These blood vessels are much more fragile and leaky than bridging veins. They can easily haemorrhage if lack of oxygen raises blood pressure, for example, which can happen if a baby is choking or a blood clot blocks the oxygen supply. In 2008, Veronica Rooks of the Tripler Army Medical Center in Honolulu, Hawaii, showed that in a group of 101 healthy newborn babies, 46 had subdural haemorrhages, presumed to be from the rigours of birth, all of which had disappeared by 3 months. These findings back up the suggestion that some of these fragile vessels can bleed again later in babyhood, perhaps after a fall or a choking episode.

Retinal haemorrhages too are proving to be more common than supposed. Evan Matshes of Southwestern Institute of Forensic Sciences in Dallas, Texas, re-examined 123 child deaths and found retinal haemorrhages are not limited to children who die of head injuries through abuse (Proceedings of the American Academy of Forensic Sciences, vol 16, p 272). Matshes says these injuries may be seen in a variety of situations.

http://www.newscientist.com/article/mg2 ... tml?page=2
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Re: Doctor gagged for doubting shaken baby syndrome

Postby Andrew » Fri Jul 30, 2010 3:11 pm

It's amazing that experts cannot have a mind of their own and all their knowledge has to conform to standards otherwise they are barred from testifying.
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Re: Doctor gagged for doubting shaken baby syndrome

Postby mobaldy2005 » Fri Jul 30, 2010 4:42 pm

Andrew the consequences of this would destroy again their shiny exteria, how many parent have been Jailed, given life sentences because of the once proven flaw of diagnosing SBS, it has to be one of the most barbaric forms of guilt that can be passed onto any parent, I know seeing first hand just what damage even being accused of it causes, its something those in power have the chance to change those in power would choose to turn a blind eye, these feckers really need to stop tinking about themselves and their jobs but do something right for a change.

We are laughed at by the States when they dismissed the concept of SBS, thats why in at least 3 of my cases in the past year we have used experts from the states, the last case was where the Expert was so peved at the allegation he personally flew to the UK as an expert witness, guess what happen when he arrived in court..................you probably could guess, he never was allowed in, stopped by the SS
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Re: Doctor gagged for doubting shaken baby syndrome

Postby Andrew » Fri Jul 30, 2010 6:52 pm

I guessed that they either didn't listen or refused him access before I read the last sentence. They hate experts that they don't know or chose.

For instance in my sisters case she was determined to get an independent expert to access her capacity the second time around, the SS however has a few CV's of experts already prepared and they wanted one of these to do the assessment.

Rachel stated she wanted none of those and preferred to pick her own the SS was 'surprised' they never imagined their choice would be refused or that we would fight for an alternative, the judge was like "why do you want another expert?", Rachel stated that after the first assessment being a whitewash and the LA having picked the expert she would like to get her own.

The judge basically said all experts are "independent" so their is no reason not to go with the LA's choice, our counter argument was if they are all independent what is wrong with Rachel getting her own expert providing he has the right qualifications?

The judge said "no I will order the assessment be completed by one of the LA's experts", they were 100% against Rachel getting her own expert, Rachel then said "You can order it be one of those experts but I will not be attending".

They all looked shocked and the judge begrudgingly said angrily to the LA "It looks like Rachel will have to get her own expert or the case cannot be progressed".

Rachel got her own report done and guess what? This expert was a 100% the opposite of the last.
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Re: Doctor gagged for doubting shaken baby syndrome

Postby ccpexposed » Sun Jun 09, 2013 2:57 pm

Do we know what experts were used to exonerate her?
Child Care Proceedings Exposed http://www.ccpexposed.wordpress.com
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