Internal carotid artery dissection following chiropractic treatment in a pregnant woman with systemic lupus erythematosus
Morton Chiropractic & Manual Therapies 2012, 20:38http://www.chiromt.com/content/20/1/38
Internal carotid artery dissection followingchiropractic treatment in a pregnant woman withSystemic Lupus Erythematosus
A case of internal carotid artery dissection in a pregnant woman with Systemic Lupus Erythematosus (SLE)immediately following chiropractic treatment is presented. The literature regarding complications of neckmanipulation during pregnancy, spontaneous dissection of craniocervical arteries in pregnancy and thepostpartum period, and dissection of craniocervical arteries in SLE are reviewed. To the best of the author’sknowledge, this is the first case of carotid artery dissection following chiropractic treatment in a pregnant womanpublished in the literature.
Keywords: Carotid dissection, Neck manipulation, SLE, Pregnancy
monthly since the age of 14 years. The frequency of
Dissection of the internal carotid artery accounts for ap-
headache was unchanged during pregnancy. In addition
proximately 20% of cases of ischaemic stroke in young
she had a history of migraine characterised by unilateral
adults. A population-based study reported the average
frontal headache, the last episode of which had been 6
annual incidence rate for spontaneous internal carotid
weeks earlier. There was no recent history of viral illness
artery dissection was 1.72 per 100 000 individuals
and no family history of stroke. The subjects history
Several vascular and connective tissue disorders have
was also significant for Systemic Lupus Erythematosus
been associated with dissection, in particular migraine,
(SLE) diagnosed twelve years earlier, complicated by
fibromuscular hyperplasia and vascular Ehlers-Danlos
renal involvement treated with azathioprine and prednis-
syndrome. In addition, a number of physical activities
one, hypertension managed with labetalol, and episodes
have been associated with dissection. It remains unclear
of deep vein thrombosis and pulmonary embolism.
as to whether chiropractic neck manipulation is asso-
She was heterozygous for prothrombin gene mutation
ciated with craniocervical artery dissection. This paper
but did not have a lupus anticoagulant or anticardiolipin
describes a case of internal carotid artery dissection fol-
lowing chiropractic treatment in a pregnant woman with
Immediately after receiving treatment the subject
Systemic Lupus Erythematosus. The possible contribut-
noted severe right sided anterior neck pain, and rapidly
ing factors in this case are discussed.
developed ipsilateral Horner’s syndrome. It was not pos-sible to obtain exact information regarding the nature ofthe chiropractic treatment; though from the subject’s de-
scription it is likely that spinal manipulation was given.
A thirty-one year old woman, pregnant at 16 weeks ges-
Magnetic resonance imaging (MRI) revealed extensive
tation, presented to a chiropractor for treatment of oc-
dissection of the right internal carotid artery, extending
cipital headache. She had suffered with intermittent
from 5 cm distal to the carotid bulb to the horizontal
bilateral occipital muscle tension headaches occurring
intrapetrous segment. The subject was admitted to theintensive care unit and treated with intravenous heparin
Correspondence: QLD Diabetes Centre Mater Health Services Raymond Terrace, South
and subsequently low-molecular weight heparin. A flare
in SLE was evidenced by a rise in blood pressure, a slight
Full list of author information is available at the end of the article
2012 Morton; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the CreativeCommons Attribution License which permits unrestricted use, distribution, andreproduction in any medium, provided the original work is properly cited.
Morton Chiropractic & Manual Therapies 2012, 20:38
deterioration in maternal renal function, increasing pro-
manipulation. These included cerebellar infarction, ver-
teinuria and a fall in platelet count. Four days after the
tebral artery occlusion, odontoid fracture and a cervical
onset of neurological symptoms intrauterine foetal de-
epidural haematoma. They concluded that significant
mise was noted. The patient was subsequently anticoa-
life-threatening injuries were rare following spinal ma-
gulated with warfarin for six months. Follow-up MRI six
nipulation during pregnancy and the postpartum period,
months later revealed a focal false aneurysm of the right
and that further research into the frequency of adverse
internal carotid artery. The Horner’s syndrome persists
events and efficacy of spinal manipulation therapy in this
one year after the initial presentation.
The controversy regarding the possible association be-
tween cervical spine manipulation and neurovascular
Only one case of antepartum internal carotid artery dis-
complications remains unresolved and continues to be
section has been reported of which the author is aware
debated [Conclusive evidence is difficult to obtain
Maderia et al described a 38 year old woman in her
because of the rarity of adverse events. A population-
fifth pregnancy at 21 weeks gestation who presented
based case-control and case-crossover study found no
with headache and a spontaneous left internal carotid ar-
evidence of excess risk of vertebrobasilar stroke asso-
tery dissection involving the petrous and cavernous seg-
ciated with chiropractic care compared with primary
ments on MRI. In addition 22 cases of postpartum
care physician visits [recent retrospective case-
carotid artery dissection have been reported There
control study, however, found an odds ratio of 12.8
was an even distribution of vaginal and caesarean deliv-
(p = 0.009) for neck manual therapy in individuals less
eries, the time from delivery to onset of symptoms ran-
than 55 years of age presenting with craniocervical arter-
ged from 2 – 21 days. In eight cases there were
additional possible contributing factors to dissection,these being reversible cerebral vasoconstriction syn-
drome (2 cases), posterior reversible encephalopathy
In conclusion, the first case of internal carotid artery dis-
syndrome (2), pre-eclampsia, infection, Ehlers-Danhlos
section following chiropractic treatment in a pregnant
woman with SLE is described. Causality relating the
Possible predisposing factors to arterial dissection
chiropractic treatment to the craniocervical dissection
in the peripartum period include intimal injury related
cannot be established. The mother’s underlying medical
to the Valsalva manoeuver during labour, alterations
condition, her immunosuppressive treatment with pred-
in arterial wall integrity due to pregnancy-related hor-
nisone and the hormonal changes of pregnancy may all
monal or vasoactive substances, increase in cardiac out-
have contributed to vessel fragility, and her risk of cer-
put and blood volume and the hypercoaguable state of
vical artery dissection was increased in view of her his-
tory of migraine. It is possible that the arterial dissection
Three cases of craniocervical arterial dissection have
had occurred prior to seeking treatment, and may have
been reported in the setting of SLE or antiphospholipid
become evident if the patient had sought the care of a
syndrome, although one of these patients also had
general practitioner rather than a chiropractor. Practi-
Takayasu’s arteritis. In addition four cases of spontan-
tioners should be aware of this possible complication of
eous coronary artery dissection and twenty-one cases of
neck manipulation in pregnancy and the postpartum
aortic dissection have been described in individuals with
period, particularly in mothers with underlying medical
SLE. Hypertension, glucocorticoid use and dyslipidaemia
disorders that may predispose to vessel fragility and
may be factors in individuals with SLE that may lead
to atherosclerosis weakening the arterial wall. Vascu-litis leading to chronic inflammation increasing vesselwall fragility has also been proposed as a contributing
Written informed consent was obtained from the patient
Migraine was shown to be associated with a two-fold
for publication of this Case report. A copy of the written
increase risk of cervical artery dissection in a recent
consent is available for review by the Editor-in-Chief of
Stuber et al recently published an critical review of the
literature regarding adverse effects from spinal manipu-
Competing interestsThe author declares that he has no competing interests.
lation in the pregnant and postpartum periods Theyidentified adverse events in five pregnant women, and
two postpartum women. The four serious events
AM cared for the patient, performed the literature review, and prepared the
reported in the literature all occurred after cervical spine
Morton Chiropractic & Manual Therapies 2012, 20:38
Received: 18 July 2012 Accepted: 23 November 2012Published: 19 December 2012
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doi:10.1186/2045-709X-20-38Cite this article as: Morton: Internal carotid artery dissection followingchiropractic treatment in a pregnant woman with Systemic LupusErythematosus. Chiropractic & Manual Therapies 2012 20:38. Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online submission • Thorough peer review • No space constraints or color ﬁgure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution
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