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Biomedical subjects

V V Surin

Publications and source records attributed to V V Surin.

10 recordsLinked to original sources

[Randomized clinical studies in orthopedic surgery].

The author describes the conditions and advantages of a prospective clinical investigation. He analyzes also the reasons why this type of investigation of the effectiveness of new surgical methods is used so little in orthopaedic surgery.

Clinical Trials as Topic↗

Effect of different surveillance methods on statistics of postoperative wound infections.

In two series of clean orthopaedic operations we studied how the rates of postoperative wound infections (PWIs) were influenced by four different surveillance methods. These methods are described and their results discussed. Patients in one series were treated without any collaboration with the Department of Infectious Diseases, whereas in the other patients were isolated and treated in that Department. A prospective 30-day follow-up revealed rates of postoperative wound infection of 3.8% and 2.7% in the two series, respectively.

Data Collection↗

Infection after total hip replacement. With special reference to a discharge from the wound.

The risk factors associated with 34 deep infections from a consecutive series of 803 total hip replacements have been analysed using standard actuarial methods. The follow-up ranged from 3 to 10 years. Absence of prophylactic antibiotics, complications after operation, discharging wounds, previous operations and remote infection were related to the development of deep periprosthetic infection. An early discharge from the wound with growth of micro-organisms, though superficial in appearance, proved to be associated with a high risk of developing late deep infection. The mechanisms associated with deep infection involved multiple interrelated risk factors. Multiple regression analysis of our data indicated that these risk factors, when acting together, potentiate their effect on the development of the deep infection.

Adult↗

Fractures of the cervical spine in patients with ankylosing spondylitis.

Fractures of the cervical spine in six patients suffering from ankylosing spondylitis are presented. Three patients had a hyperextension type of injury. These fractures were extremely unstable and combined with spinal cord damage. In the other cases the fracture was caused by a flexion mechanism. These fractures were stable and there was no damage to the spinal cord. Treatment modified according to the demands of the fractures is outlined.

Adult↗

Duration of disability following lumbar disc surgery.

The total duration of disability of 116 patients operated on for lumbar disc prolapse was studied 10 years postoperatively. From the beginning of the observation period 10 years before surgery, the number of days on sick-leave increased continually and no positive effect of the surgical treatment in this respect could be observed. There was a highly significant coincidence between the end-result assessment by the patient and the total duration of the postoperative disability. The following factors were conducive to a short total period of post-operative disability: early surgery (short interval of preoperative sciatica), short total preoperative period of sick-leave and immediate relief of sciatic pain by the operation. The objective changes in the preoperative state of the patient such as neurological and X-ray findings had a less significant influence.

Back Pain↗

Survival of patients and prostheses after total hip arthroplasty.

The survival statistics of 695 patients who had 803 total hip arthroplasties (THA) were correlated with the incidence of aseptic loosening using standard actuarial methods. Follow-up periods ranged from three to 11 years. High patient mortality was associated with factors that lower physical fitness: old age, bilateral hip disease, excessive obesity, diagnosis of rheumatoid arthritis, and post-traumatic changes. Patients in whom revision procedures were done due to prosthetic failure experienced a very low mortality. The factors associated with aseptic loosening were unilateral hip disease, defective surgical technique, and excessive body weight (greater than 80 kg). The increased rates of aseptic loosening that have been observed during the later years of follow-up evaluation were attributable to higher survival rates of the more physically fit individuals in the population at risk.

Actuarial Analysis↗