Print Article A Note from Gene: Nearly two weeks ago, on Tuesday, April 8,I had a total right hip replacement.
Aetna considers lumbar prosthetic intervertebral discs e. Aetna considers lumbar partial disc prosthetics e.
Aetna considers artificial cervical discs experimental and investigational for persons with prior disc replacement if the new request would result in more than 2 contiguous disc replacement levels from C3 to C7.
Aetna considers artificial cervical discs experimental and investigational for persons with prior fusion or surgery at an adjacent cervical spine level. Background Artificial intervertebral disc replacement is an alternative to cervical and lumbar spinal fusion surgery for those individuals suffering from back or neck pain due to degenerative disc disease DDD.
The artificial disc was designed to restore normal disc height, to preserve the spinal flexibility and decrease degeneration of adjacent discs, which can occur as a result of DDD.
Since the s, investigators have been working on developing an artificial prosthetic intervertebral disc IVD that can be used to replace degenerated intervertebral discs Diwan et al, Most of the published clinical evidence for artificial prosthetic intervertebral discs has been of those that replace the entire disc.
The major potential advantage of a prosthetic intervertebral disc over current therapies for degenerated disks such as spinal fusion or diskectomy is that the prosthetic intervertebral disk is intended to restore or preserve the natural biomechanics of the intervertebral segment and to reduce further degeneration of adjacent levels.
The Charite Artificial Disc: The patients were evaluated with plain radiography, some with flexion-extension x-rays, and most of them with computed tomography scans. The group consisted of 15 women and 12 men.
Their mean age was 40 years range, 30 - 67 years at the time of operation. The patients presented to the investigators a mean of 53 months range 11 - months following disc replacement surgery. In two patients, an early removal of a prosthesis was required and in two patients a late removal.
In 11 patients, a second spinal reconstructive salvage procedure was performed. Mean follow-up for 26 patients with mid- and long-term evaluation was 91 months range 15 - months.
Early complications were the following: In one patient, an anterior luxation of the prosthesis after 1 week necessitated removal and cage insertion, which failed to unite. In another patient with prostheses at L4 - L5 and L5 - S1, the prosthesis at L5 - S1 dislocated anteriorly after 3 months and was removed after 12 months.
Abdominal wall hematoma occurred in four cases. Retrograde ejaculation with loss of libido was seen in one case and erection weakness in another case. A temporary benefit was experienced by 12 patients, while 14 patients reported no benefit at all.
Main causes of persistent complaints were degeneration at another level in 14, subsidence of the prosthesis in 16, and facet joint arthrosis in A combination of pathologies was often present.
Slow anterior migration was present in two cases, with compression on the iliac vessels in one case. Polyethylene wear was obvious in one patient 12 years after operation.
In eight cases, posterior fusion with pedicle screws was required. In two cases, the prosthesis was removed and the segment was circumferentially fused.
These procedures resulted in suboptimal long-term results. In this relatively small group of patients operated on with a Charite disc prosthesis, most problems arose from degeneration of other lumbar discs, facet joint arthrosis at the same or other levels, and subsidence of the prosthesis.
Caspi et al reported results of lumbar disk prosthesis Charite after a follow-up period of 48 months. Poor results were reported by four patients, one of whom underwent postero-lateral fusion and another is waiting for the same operation.
There were two dislocations of the prosthesis followed by immediate revision surgery. The authors concluded that contraindications for surgery appear to be the principal cause of failure rather than the prosthesis itself.
The authors found that the neurological status was equivalent between the two groups at 6, 12, and 24 months, post-operatively.In medicine, a prosthesis (plural: prostheses; from Ancient Greek prosthesis, "addition, application, attachment") is an artificial device that replaces a missing body part, which may be lost through trauma, disease, or congenital yunusemremert.cometics are intended to restore the normal functions of the missing body part.
Prosthetic amputee rehabilitation is primarily coordinated by a. Aetna considers lumbar prosthetic intervertebral discs (e.g., the activL Artificial Disc, the Charite Artificial Disc, and the ProDisc-L Total Disc Replacement) experimental and investigational for lumbosacral degenerative disc disease and for all other indications.
Penile implants for erectile dysfunction have been been continually improved and refined over the last 40 years. More than , cis gender and trans gender men have had penile implant surgery, with approximately 20, penile implant surgeries a year Abstract.
The advent of total knee arthroplasty (TKA) was an important milestone in the history of orthopedic surgery.
The development of TKA began in the early s when tibiofemoral condylar replacements sprouted independently in both . In medicine, a prosthesis (plural: prostheses; from Ancient Greek prosthesis, "addition, application, attachment") is an artificial device that replaces a missing body part, which may be lost through trauma, disease, or congenital conditions.
Here are 10 knee injuries and surgeries that made an impact on history. If you would like to submit an historic knee surgery, contact Laura Dyrda at [email protected] The first total condylar knee replacement.