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Doctor insights on: Are Mr Is Safe For People With Metal Implants In Their Spine

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Are mris safe for people with metal implants in their spine?

Are mris safe for people with metal implants in their spine?

Typically yes: Most modern implants are non-ferrous materials and thus are ok in an mri. The majority are now titanium and are certainly not a problem in an mri. The implants may, however, distort the MRI images in areas near the implants. ...Read more

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Dr. Cornelius O'leary jr
5 doctors shared insights

Mri (Definition)

Mri or magnetic resonance imaging is one of the more recently developed imaging modalities available to physicians. It uses powerful magnets to generate images. There is no ionizing radiation which is a major advantage over many other modalities. Mri is the best imaging exam that we have for most soft tissue and joint related problems. There are radiologists ...Read more


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Can magnetic resonance imaging be done on persons with metal implants in their body?

Can magnetic resonance imaging be done on persons with metal implants in their body?

It depends: Mri scans place the body in a magnetic field. A metal fragment in the eye may move and create damage to the eye. A hip or knee prosthesis is unlikley to be affected but may create imaging problems because they will distort the magnetic field and the image created. ...Read more

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Are neuroradiologists and neurosurgeons equally qualified to interprete spine/brain mris for any type of injuries or damages? If one doesn't agree with the other, who overrules?

Are neuroradiologists and neurosurgeons equally qualified to interprete spine/brain mris for any type of injuries or damages? If one doesn't agree with the other, who overrules?

Neurosurgeons : Neurosurgeons look at mris of the spine and brain to plan their approach to a problem, using these studies as part of their toolbox for evaluating patients. They are very good at reading the studies--probably better than a diagnostic radiologist who is not formally trained in neuroradiology (which takes an additional one or two years after the four-year radiology traioning program). On the other hand, neuroradiologists spend their entire careers looking at these studies. By sheer volume alone, they vastly exceed the experience of a typical neurosurgeon. While he or she may not always agree with the neuroradiologogist's interpretation (just as one neuroradiologist may not always agree with another), a wise neurosurgeon will usually rely on the neuroradiologist when there is any question about a diagnosis. ...Read more

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How many new hip replacement patients are not really happy with their new hip ?

How many new hip replacement patients are not really happy with their new hip ?

Less than 5%: About 95% of patients have what is characterized as a good or excellent result, which means that they have relief of their preoperative pain, and return of their lost function. ...Read more

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I had artificial hips installed 19 years ago. The bearing surfaces are wearing out. Should they be replaced? The hips work well, but are somewhat less smooth in movement. Some additional pain.

I had artificial hips installed 19 years ago.  The bearing surfaces are wearing out.  Should they be replaced? The hips work well, but are somewhat less smooth in movement.  Some additional pain.

Congratulations : Congratulations your total joints have lasted for an impressive amount of time. You should have them x-rayed and followed by a specialist with subspecialty training in total joint replacements. ...Read more

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Are there special concerns for older people with prosthetics?

Are there special concerns for older people with prosthetics?

Yes: The use of a lower extremity prosthetic requires more energy than use of the native limb. For people with an above knee amputation, the energy costs are higher than below knee. So if someone has poor cardiac function, they may not be a good candidate for a prosthesis. In people with diabetes whose sensation is impaired, there may be problems with skin integrity at the bottom of the residual limb. ...Read more

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Why nobody invented a better surgery to straighten up the spine for those who suffer with kyphosis after the age of 20? Nobody wants titaniums in !

Why nobody invented a better surgery to straighten up the spine for those who suffer with kyphosis after the age of 20? Nobody wants titaniums in !

Good point: Hopefully someday they will. Maybe one day you will contribute to that development. All that being said, surgery for kyphosis has come a long way with many patients who undergo surgery getting remarkable correction and improvement in their quality of life. Thank you. ...Read more

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Are those zero gravity chairs actually safe and effective in helping someone with multiple hnp with nerve root involvement?

Are those zero gravity chairs actually safe and effective in helping someone with multiple hnp with nerve root involvement?

Misdiagnoses!: There is no true 0 gravity chair. That would refute Issac Newton and all logic. You do not have herniated discs from T7 to S1. I have never seen or heard of such extensive disease. Sounds like a non-MD diagnosis or your imperception. Cardiomyopathy is serious. I would recommend second opinions on your back and exercise status. Usually, what is needed is judicious exercise and weight control. ...Read more

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What are some of the least expensive options for someone whose dentures won't stay in while eating even though they fit and are "glued" in?

What are some of the least expensive options for someone whose dentures won't stay in while eating even though they fit and are "glued" in?

See your dentist: Dentures not only have to fit but function harmoniously. If one area is hitting first, it causes the dentures to become unstable. Other causes include grinding of teeth or other oral habits. The least expensive way is to have your dentist check the bite. There are other options including relining of your dentures, new dentures, and implant retained dentures. ...Read more

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What types of implant materials are used during genioplasty? I am concerned about the health risks involved in silicone implants used for genioplasty. My chin is not very dominant and this surgery would balance out the look of my face. Are there other opt

What types of implant materials are used during genioplasty? I am concerned about the health risks involved in silicone implants used for genioplasty. My chin is not very dominant and this surgery would balance out the look of my face. Are there other opt

There : There are several options when it comes to augmenting the chin area. Silicone implants are probably the most common. Unlike with breast implants, silicone chin implants are actually solid so there is no risk of rupture or leakage. This type of silicone has a many year history of safe use. Other common implant materials include gortex, mersilene, and medpore. The type of material used is often based on surgeon preference and experience. If you are looking for an option that doesn't include a implant you could consider a sliding genioplasty. This involve making a cut in the chin bone, advancing it forward (and/or up or down) and securing it in its new position with a titanium plate. ...Read more

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I have 2 kids with lung and heart disease associated with hydrops. Any idea which doctors and hospitals are the best in usa on these subjects?

I have 2 kids with lung and heart disease associated with hydrops. Any idea which doctors and hospitals are the best in usa on these subjects?

Please, specify: Hydrops and dropsy are general terms and not used much anymore. You mention pulmonary hypertension. Your kids have pulmonary hypertension ? You mention tobacco use. I presume that you smoke, not the kidneys. Please, specify in your question the exact diagnosis of the kids and their age group and whether the disease runs in the family. ...Read more

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If you have done kyphoplasties and vertebroplasties, for people with vcf, what are the specific benefits of a kyphoplasty over a vertebroplasty?

If you have done kyphoplasties and vertebroplasties, for people with vcf, what are the specific benefits of a kyphoplasty over a vertebroplasty?

Some benefit: Kyphoplasty uses a balloon to inflate inside the vertebrae. This forms a cavity for the cement to be placed in. This can be beneficial to help contain the cement and prevent it from leaking out. However, leaking out of the bone can still occur. It was also thought to restore the height of the compression, but over time this was shown not to be true. Both techniques can be very helpful for pain. ...Read more

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Are there prostheses available for people who have had part of their palates removed?

Are there prostheses available for people who have had part of their palates removed?

Absolutely !: See a maxillofacial prosthodontist. They are expertly specially trained for just this type of treatment. Plenty in ca. Go to 'find a prosthodontist'. Best of success. ...Read more

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Are there dentists who restrict their implant practice to those who do not require bone grafting that takes months to heal beforehand?

Are there dentists who restrict their implant practice to those who do not require bone grafting that takes months to heal beforehand?

Yes: In implant sites that have an abundance of bone, implant placement is more straightforward. Often a practioner will refer the more difficult cases to an oral surgeon or an experienced periodontist, if he or she feels the case is too complex. ...Read more

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After hip replacement how often are patients really happy with their new hip ?

After hip replacement how often are patients really happy with their new hip ?

Excellent results: Patient satisfaction with the outcomes of hip replacement surgery are excellent overall. Reported satisfaction rates for patients are high, based on low complication rates and reliable resolution of arthritis pain. Talk to your orthopaedic surgeon for any additional questions. ...Read more

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What happens if someone in their 20's loses most of their teeth in a car accident? Dentures? Implants? Would they have to be toothless while waiting?

What happens if someone in their 20's loses most of their teeth in a car accident? Dentures? Implants? Would they have to be toothless while waiting?

Teeth in a Day: With careful planning and diagnosis, a skilled surgical and restorative team can place dental implants and attach a screw retained temporary set of teeth for the patient to have a pleasant esthetic appearance and limited function. Long term success with this technique is the same as waiting and highly predictable! it is a very good technique to achieve your goals of immediate cosmetics and use. ...Read more

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Are there any procedures on the horizan to replace bone grafting for patients with bone loss on their jaws?

Are there any procedures on the horizan to replace bone grafting for patients with bone loss on their jaws?

Bone Loss: There has been some research with minimal results. The problem is that it is very hard to regrow new periodontal ligament on previously infected tooth root surface. The research has been moving forward towards implants as a better option because of more predictable results. ...Read more

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Dr. Howard Schneider
5 doctors shared insights

Implant (Definition)

An implant is a medical device manufactured to replace a missing biological structure, support a damaged biological structure, or enhance an existing biological structure. Medical implants are man-made devices, in contrast to a transplant, which is ...Read more