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The association between the cervical spine, the stomatognathic system, and craniofacial pain: a critical review.

AIMS: Craniofacial pain is a term that encompasses pain in the head, face, and related structures. Multiple etiologies and factors may be related to craniofacial pain; however, the association between the cervical spine and its related structures and craniofacial pain is still a topic of debate. The objective of this critical review was to present and analyze the evidence of the associations between the cervical spine, stomatognathic system, and craniofacial pain. METHODS: A search of the databases Medline, PubMed, Embase, Web of Sciences, Cochrane Library, Cinahl, and HealthStar was conducted for all publications related to the topic in the English and Spanish languages. Relevant information was also derived from reference lists of the retrieved publications. The key words used in the search were cervical spine, cervical vertebrae, neck pain, neck injuries, neck muscles, craniofacial pain, orofacial pain, facial pain, temporomandibular joint pain, and temporomandibular joint disorders. RESULTS: The search provided information referring to the biomechanical, anatomical, and pathological association between craniofacial pain, the stomatognathic system and the cervical spine. CONCLUSION: The information provided by this review suggests an association between the cervical spine, stomatognathic system, and craniofacial pain, but most of this information is not conclusive and was derived from poor-quality studies (levels 3b, 4, and 5 based on Sackett's classification). Better designed studies are needed in order to clarify the real influence that the cervical spine has in relation to the stomatognathic system and craniofacial pain.

Biomechanical Phenomena↗

Penetrating visceral injuries of the neck: results of a conservative management policy.

A study of the conservative treatment of 109 patients with penetrating neck injuries was carried out over 3 years. Patients with clinical or radiological evidence of injury to the oesophagus or trachea were included in the study while nine patients with major vascular trauma were explored immediately and excluded. Three late vascular operations were performed. The remaining 106 patients were treated conservatively. There were two deaths, both from associated injuries. The remaining 104 patients were treated successfully with only three cases of minor wound sepsis. We conclude that oesophageal and tracheal injuries after stab injuries and low velocity gunshot wounds can be treated successfully by non-operative treatment.

Adolescent↗

Penetrating injuries of the neck: a prospective study of 108 patients.

One hundred and eight patients were admitted to King Edward VIII Hospital, Durban, with a penetrating wound of the neck and were managed by a conservative policy. Intervention was undertaken if, and only if, there was an indication of damage to deep structures. Data were collected prospectively. Significant sequelae were seen in only 50 patients (46 per cent) and 26 underwent surgery. Three patients died from their neck injuries (2.8 per cent). 2 after operative intervention and 1 after conservative management. Morbidity was higher after surgery, though local sepsis in wound haematomas was more common in those treated conservatively. A selective policy for surgical intervention is safe and justifiable. A minimum mortality and morbidity can be obtained by adequate preoperative evaluation which includes the use of contrast radiography and angiography.

Adolescent↗

Acute injury of the neck: anatomical and pathological basis of pain.

Headache, upper torso and upper limb pain can all originate in lesions of the cervical spine. The pain distribution is similar whether the cause is traumatic or degenerative. Nociceptive fibres are present in many cervical spine structures including the disc annulus, facet joint capsules, muscles, meninges, arteries, nerve roots and dorsal root ganglia. Such nerves are not present in the disc nucleus, facet articular cartilages and the ligamentum flavum. Central nervous connections between the trigeminal nucleus and upper cervical sensory input provide an explanation for some forms of headache and facial pain. This paper focuses on neck sprain from road traffic accidents as a cause of pain. Similar lesions are seen in the cervical spines of those who die immediately and survivors who die some years after a neck injury, from unrelated causes. Both discs and facet joints are injured. The common disc injury is a "rim lesion" or transverse tear near the anterior vertebral rim. It is caused by distraction and shearing in sudden extension. Both the posterior disc and the facets are compressed, causing disc contusion or herniation, facet haemarthroses, bruising around the C2 nerve, or fractures of articular processes. Suboccipital vascular congestion and annulus calcification are also seen in the "survivors". Chronic pain develops in 20-40% of the "survivors". The reasons include altered spinal mechanics, neural damage and vascular changes. Management must always start with an accurate diagnosis based on a history and physical examination. Simple investigations such as extension X-rays may reveal vacuum clefts in the same anatomical position as rim lesions. Nuclear scans detect increased uptake at damaged end plates or facet fractures.(ABSTRACT TRUNCATED AT 250 WORDS)

Accidents, Traffic↗

Acute flexion-extension injury of the neck. Electronystagmographic study of 309 patients.

Three hundred and nine patients, whose chief complaint was dizziness following a flexion-extension type of acceleration neck injury, were examined in the Neurosensory Laboratory of Temple University Health Sciences Center between 1965 and 1972. Specific attention was devoted to vestibular tests, including a search for latent and positional nystagmus, bithermal calorics, and rotatory tests. All tests were performed with the aid of electronystagmography; latent nystagmus was present in 29 percent of the patients, caloric tests were abnormal in 57 percent, and rotatory tests were abnormal in 51 percent. These findings suggest that many of these patients have a verfiable objective vestibular disturbance as a cause of dizziness, even though the neurologic examination may be normal. Furthermore, in order to detect this objective vestibular dysfunction, the patient should be tested with aid of electronystagmography since nystagmus may be inhibited by visual fixation.

Afferent Pathways↗

Presentation of a previously asymptomatic Chiari I malformation by a flexion injury to the neck.

Flexion injury and/or whiplash injury to the neck in car accidents are usually trivial injuries with no serious neurological deficits. Our intention was to point out the importance to proceed with diagnostic procedures if neurological deficits do occur in order to reveal the true cause of the deficit. The paper presents the case of a 35-year-old woman who sustained a flexion injury to the neck. A relatively trivial injury to the neck promoted a progressive neurological deterioration. The standard diagnostic procedures (x-ray, computed tomography scan) were normal. Further diagnostics with magnetic resonance imaging was required to reveal an underlying Chiari I malformation. Finally, the operative decompression of the craniocervical junction was performed. Following the surgical treatment, the patient's clinical symptoms regressed. One year after her discharge, she remains in good physical condition. To our knowledge, this case is the first report of the manifestation of Chiari I malformation in the adult as a result of a flexion or whiplash injury of the neck. This unusual case suggests that in a trivial flexion injury to the neck sustained in a car accident, which presents with serious neurological dysfunction, and where the standard diagnostic procedures are normal, the possibility of underlying congenital abnormality, such as Chiari I malformation should be considered.

Arnold-Chiari Malformation↗

The factors associated with neck pain and its related disability in the Saskatchewan population.

STUDY DESIGN: Population-based, cross-sectional mailed survey. OBJECTIVE: To identify factors associated with neck pain and its related disability in Saskatchewan adults. SUMMARY OF BACKGROUND INFORMATION: Little is known about the etiology of neck pain and its related disability. Previous cross-sectional population-based studies have suggested that neck pain may be associated with age, female gender, lower socioeconomic status, physically demanding work, and other comorbidities. METHODS: The Saskatchewan Health and Back Pain Survey was mailed to 2184 randomly selected Saskatchewan adults 20 to 69 years of age. Fifty-five percent of the study population participated. The survey collected demographic, socioeconomic, and health-related information. Neck pain and its related disability was classified into four categories using the Chronic Pain Questionnaire: no neck pain (Grade 0), low intensity/low disability neck pain (Grade I), high intensity/low disability neck pain (Grade II), and high disability neck pain (Grades III-IV). Polytomous logistic regression was used to identify associations between demographic, socioeconomic, and health-related variables and various grades of neck pain severity. RESULTS: Of the 1131 respondents, 54% had experienced neck pain at some point in the 6 months before the survey, and almost 5% were highly disabled by neck pain. The prevalence of Grade I neck pain was lower in individuals with low education attainment, but higher for those reporting headaches, low back pain, better general health, and a history of neck injury resulting from a motor vehicle collision, some of whom may have received compensation for their injury. Grade II neck pain was strongly associated with headache, low back pain, and a history of neck injury during a motor vehicle collision and weakly associated with digestive disorders and current cigarette smoking. Grades III-IV neck pain was strongly associated with low back pain, headaches, cardiovascular disorders, digestive disorders, and a history of neck injury during a motor vehicle collision. CONCLUSION: This study suggests that important associations exist between comorbidities, a past history of neck injury resulting from a motor vehicle collision, and graded neck pain. Importantly, individuals who are significantly disabled by neck pain also have comorbidities that have a moderate or severe impact on their health, suggesting that chronic disorders tend to cluster in some individuals.

Accidents, Traffic↗

Airgun pellet injuries of the neck.

Penetrating injuries of the neck are a cause of retropharyngeal abscess. Should a foreign body become lodged in the retropharyngeal tissues its removal may avoid this complication, but surgery can in itself be hazardous. Between 10 and 15 per cent of cases of retropharyngeal cellulitis resulting from whatever cause do not progress to abscess formation if treated conservatively. Consequently, it is important to have evidence of abscess formation before surgery is undertaken, as illustrated by this paper in the form of a case report and a review of the current literature.

Abscess↗

Injuries to vessels of neck.

A personal experience at the American University Medical Center with vascular neck injuries occurring between May and December 1976 is reported. Five unusual cases are presented and discussed, their ages ranging between 10 and 25 years. The causative agent was shrapnel in four and bullet in one. Four of the five cases had multiple associated injuries. The vessels involved were the carotid artery with internal jugular vein in two cases, the subclavian vein in one, the superior thyroid artery in one, and the carotid and vertebral arteries in one. The treatment consisted of a combined cervico-thoracic approach in two cases, a claviculectomy in one, suture-ligation and aneurysmectomy in four and venous graft to the artery in one. The complications consisted of postoperative bleeding in one case, partial facial nerve paresis in another, and superficial wound infection in a third. No deaths occurred among the five complicated cases presented.

Adolescent↗

[Surgical tactic in the injury of neck vessels].

Retrospective analysis of the surgical treatment results in 50 injured persons with the damage of the neck vessels in 1998-2003 yrs period was presented. Restorational-reconstructive operations were performed in 19 (38%) injured persons with the arteries damage, in 10 (20%)--with the veins damage, the ligature operations were done, accordingly, in 6 (12%) and in 20 (40%). Satisfactory result was noted in 41 (82%) injured persons. Neurological complications had occurred in 4 (8%) of patients. Mortality had constituted 10% (5 patients died). The principles of surgical treatment of the neck vessels damage were stated.

Adolescent↗

Surgical management of transected injury to the pancreatic neck.

OBJECTIVE: To present a batch of data of transected pancreatic neck injuries and to sum up the experience in surgical interventions for the injuries. METHODS: We analysed 13 patients with a transected injury to the pancreatic neck from Jan. 1995 to Dec. 2000. External drainage was performed in all patients. Pancreatoduodenectomy was conducted in 2 patients with a transected injury to the pancreatic neck associated with duodenal ruptures, and TPN was administered immediately after operation. Proximal closure of the transected margin and distal pancreaticojejunostomy was performed in 4 patients. Proximal closure of the transected margin and distal pancreaticojejunostomy plus splenectomy was performed in 7 patients associated with contusion of pancreatic body or tail plus spleen rupture. RESULTS: 12 patients healed and one patient died of anesthetic accident during the course of restoration of the dislocation of his right hip joint. Complications occurred in 7 patients. CONCLUSIONS: The operation should be performed according to the degree of the injuries and associated duodenal injuries. Routine drainage and nutrient support should be recommended.

Adolescent↗

Stroke due to vertebral artery injury.

Minimal neck injury produced vertebral artery damage in two women and three men, 20 to 57 years of age. Serious neurologic deterioration occurred in two patients when positioned for roentgenographic procedures. Dissection or thrombosis of one or both vertebral arteries while in the transverse foramina occurred in three, one at the site of an osteophyte. The arteriogram of one patient showed a traumatic aneurysm at C-7, and a second patient had segmental arterial stenosis with bilateral traumatic aneurysms at C-5. The location of the arterial injury is not restricted to the occipitoatlantoaxial level but includes the course through the transverse foramina. The use of anticoagulation appears to be important in the immediate management of this process.

Adult↗

[Treatment of penetrating injuries of neck, chest and extremities].

Penetrating injuries such as gunshot wounds have traditionally been rare in Europe, with the result that European surgeons have only limited experience in their management. Socio-economic changes in the last decade have led to an increase in the frequency of injuries of this type, partly due to the expansion of organized crime and partly because of involvement of the European military in peace-keeping missions in Europe and elsewhere in the world. The purpose of this article is to offer some guidelines in the management of extremely serious or rarely encountered injuries to the neck, chest and peripheral arteries and discuss controversies and possible future changes in their management as a result of the extensive experience of treating penetrating trauma in our hospital.

Amputation, Surgical↗

Clinical forensic radiology in strangulation victims: forensic expertise based on magnetic resonance imaging (MRI) findings.

Based on only one objective and several subjective signs, the forensic classification of strangulation incidents concerning their life-threatening quality can be problematic. Reflecting that it is almost impossible to detect internal injuries of the neck with the standard forensic external examination, we examined 14 persons who have survived manual and ligature strangulation or forearm choke holds using MRI technique (1.5-T scanner). Two clinical radiologists evaluated the neck findings independently. The danger to life was evaluated based on the "classical" external findings alone and in addition to the radiological data. We observed hemorrhaging in the subcutaneous fatty tissue of the neck in ten cases. Other frequent findings were hemorrhages of the neck and larynx muscles, the lymph nodes, the pharynx, and larynx soft tissues. Based on the classical forensic strangulation findings with MRI, eight of the cases were declared as life-endangering incidents, four of them without the presence of petechial hemorrhage but with further signs of impaired brain function due to hypoxia. The accuracy of future forensic classification of the danger to life will probably be increased when it is based not only on one objective and several subjective signs but also on the evidence of inner neck injuries. However, further prospective studies including larger cohorts are necessary to clarify the value of the inner neck injuries in the forensic classification of surviving strangulation victims.

Adult↗

Head and neck war injuries: 10-year experience at the American University of Beirut Medical Center.

Lebanon has witnessed over the past 10 years fierce outbreaks of violence resulting in heavy casualties. Head and neck injuries secondary to bullets, shrapnel, and/or glass were quite frequent: 1,357 injuries in 1,021 patients were taken care of by members of the Department of Otolaryngology between 1975 and 1984. They were distributed as follows: (Formula: see text). Fractures of the mandible were treated by closed reduction in 54% of cases and by open reduction in 46%; 74% healed well and 26% required secondary surgery. Primary repair of oral cavity injuries resulted in healing in 68% of cases; 32% had dehiscences or fistulae. In around one-third of the orbital injuries, the orbital contents herniated into the maxillary sinus, so orbital floor repairs had to be done with good results in 82% of cases. The nasal fractures were treated by closed reduction in 75% of cases and open reduction when the wound was open in the rest. The overall infection rate was 12%. The most common offending organisms were, in order of frequency, S. aureus, P. aeruginosa, and E. coli.

Bacteria↗