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Bone and Spine

Orthopedic health, conditions and treatment

What Is Halo Vest?

By Dr Arun Pal Singh

In this article
    • Where Can Halo Vest Be Used?
    • How Is Halo Vest Applied
    • Complications of Halo Vest

Halo vest consists of a halo and vest. Halo is a ring that encircles the head and is fixed to it by means of pins that are inserted in the head. It is also known as “halo ring” or “halo crown,”.

Halo vest is used in the management of cervical spine diseases where spine needs external stabilization. Halo ring part of halo vest can be used to put traction on the cervical spine or to provide external support and immobilization. In the latter case, the ring is attached to a brace that encircles patient’s torso and the whole assembly is termed as halo vest.

halo vestImage Credit: http://radiographics.rsna.org/content/24/1/257/F36.large.jpg

The concept of was first brought out in the late 1950s. Before this only method to effectively restrict cervical spine mobility was traction in the recumbent position.

By attaching the halo to a device worn around the patient’s torso, complications of recumbency like bed sores and chest infection can be avoided.

The Assembly

A ring is fixed to the patient’s head by means of screws and the ring is attached to a rigid, lightweight vest that fits snugly around the patient’s chest.

This way the apparatus can provide spinal stability while allowing mobility.

Halo vest offers the following advantages over the traditional traction system

  • Precise positional control
  • Efficient external stabilization of the cervical spine
  • Low complication rate
  • Minimal patient discomfort,
  • Early patient mobilization.

Where Can Halo Vest Be Used?

Halo vest can be used in following situations in cervical spine injuries or other pathologies that affect the stability of spine

  • To stabilize the spine for treatment with nonoperative means
  • In adjunct with a surgical procedure to provide additional stability
  • In follow up to patients who were treated initially with skeletal traction.

How Is Halo Vest Applied

Four pins that are equally space are placed in the skull: two over the ridge of the orbit and one each just behind the ear. The halo ring is fixed to these pins.

Following this vest is applied to the torso and connected with adjustable metal rods to halo ring. After the assembly is in place radiographs are taken to check the position of the cervical spine ad if any change needs to be made.

A neurological examination is made after application of halo vest.

The duration of application varies depending upon the nature of injury and purpose for which halo vest is applied.

The assembly is well tolerated by most of the patients.

Patients are regularly followed up with series of radiographs that were performed initially to ensure adequate positioning and stabilization of the cervical spine.  In addition, the physician will do a complete neurological assessment of the patient and tighten all of the hardware on the halo vest.

A neural examination is also done at the follow-up visits.

Complications of Halo Vest

Pin loosening is by far the most common of the potential complications. This happens for around 60% of patients. This can be avoided by early detection of loosening at weekly follow-up visits.

Infection at the pin sites is another complication that occurs 10-20% of patients. In case of infection of a pin tract, the pin is removed and another pin is placed in a new site.

Secondary loss of reduction may occur due to “snaking” mechanism of the cervical spine between the supine and upright positions. This phenomenon may not adversely affect the healing of upper cervical spine fractures that are inherently stable and where large cancellous bone surfaces offer a chance for relatively rapid bony consolidation.

But for this reason, however, inherently unstable fractures with small bony contact surface may not be effectively immobilized with a halo.

Conclusion

Halo vest applications offer the most stable form of external immobilization of the upper cervical spine. In contrast to bracing, a halo vest assembly allows for some fracture manipulation and correction of malreduction. If a halo vest assembly is correctly placed, neck motion can be expected to be limited to 4% of normal flexion-extension, 4% of lateral bending, and 1% of the rotation.

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Filed Under: Spine

About Dr Arun Pal Singh

Arun Pal Singh is an orthopedic and trauma surgeon, founder and chief editor of this website. He works in Kanwar Bone and Spine Clinic, Dasuya, Hoshiarpur, Punjab.

This website is an effort to educate and support people and medical personnel on orthopedic issues and musculoskeletal health.

You can follow him on Facebook, Linkedin and Twitter

Reader Interactions

Comments

  1. Rosa León says

    January 16, 2011 at 10:46 am

    Hola, Necesito con urgencia un halo-chaleco… por favor diganme donde conseguirlo, para adultos.. Gracias..

  2. Dr Arun Pal Singh says

    January 17, 2011 at 1:25 pm

    @Rosa León,

    Google translated your query as
    Hi, I need urgently a halo-vest … please tell me where to get it for adults .. Thanks ..

    Here is my reply

    Halo vest is usually made by an orthotist. Please consult your doctor for more on this service in your area

    This again is translated from my original reply

    Chaleco de Halo se hace generalmente por un ortopedista. Por favor consulte a su médico para más información sobre este servicio en su área

  3. Rosa León says

    January 18, 2011 at 11:55 am

    Buenas noches ,gracias por su información, el aparato es para mi sobrina y ya tenemos el informe médico; en el cual sugiere de urgencia dicho aparato ya que ella tiene fractura en la clavicula y la cervical. Se le agradece mucho si conoce algun lugar donde se pueda mandar hacer, debido a que aquí en Caracas-Venezuela se ha agotado el producto.

  4. Dr Arun Pal Singh says

    January 22, 2011 at 8:02 pm

    @Rosa León,

    You said as per Google Translation

    Good evening, thank you for your information, the device is for my niece and we have the medical report, in which emergency suggests that device because she has fractured clavicle and neck. Thank you much if you know any place where it could have made, because here in Caracas, Venezuela has run the product.

    Here is my reply

    If the product is not available in your vicinity, you may want to talk to your doctor for alternative suggestions. I think that would be the best option.

    Google translates my answer like this
    Si el producto no está disponible en su localidad, es posible que desee hablar con su médico para obtener sugerencias alternativas. Creo que sería la mejor opción

  5. Rosa León says

    January 23, 2011 at 11:15 am

    Buenas noches gracias por su atención y sugerencias

  6. Dr Arun Pal Singh says

    February 4, 2011 at 1:02 pm

    @Rosa León,

    bienvenidos! las actualizaciones?

  7. john dowlen says

    August 20, 2012 at 4:35 pm

    My skull was crushed twice during the application of the halo. What is the proper torque of the 4 screw?

  8. Dr Arun Pal Singh says

    September 13, 2012 at 10:15 pm

    @john dowlen,

    Was it during hole making or screw insertion.

  9. rochel piedad says

    October 12, 2012 at 1:47 pm

    i ii need a halo vest for my husband i am from the phillippines.how can i get it with less money because right now i am still financially not capable of buying it hope you can give me a website that donates a halo vest.i do really need your help.

  10. apsingh1975 says

    November 13, 2012 at 7:59 am

    I am sorry but I am not aware any such organization. Thank you for asking.

  11. Maria Gracia says

    June 9, 2019 at 5:41 am

    Hai we need halo vest very bad plsss tell me where we can buy it. Thank you

  12. Arun Pal Singh says

    June 11, 2019 at 5:14 pm

    Maria,

    Halos are typically custom made. That means the maker would take the measurements and then make one. In our system, the Halo ring is a surgical procedure and vest is attached to that.

    You would need to find more about it from your healthcare system.

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