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Biomedical subjects

J Puranen

Publications and source records attributed to J Puranen.

At least 19 recordsLinked to original sources
PubMed1979

Athletes' leg pains.

The frequency and nature of exertion pains of the leg in athletes were studied in 2,750 cases of overuse injuries treated at the Sports Clinic of the Deaconess Institute of Oulu, Finland, during the years 1972-1977. 465 cases of exertion pain (18%) were located in the shin. The medial tibial syndrome was the most common overuse injury among these athletes, comprising 9.5% of all exertion injuries and 60% of the leg exertion pains. Together with stress fracture of the tibia, the second most common exertion pain of the leg, it accounted for 75% of the total leg pains. There are certain difficulties in differentiating between the medial tibial syndrome and stress fracture of the tibia. They both occur at the same site with similar symptoms. Radiological examination and isotope scanning are needed. The medial tibial syndrome is an overuse injury at the medial tibial border caused by running exercises. The pain is elicited by exertional ischaemia. The pathogenesis is explained by increased pressure in the fascial compartment of the deep flexor muscles due to prolonged exercise. Similar chronic ischaemic pains from exercise are also found in other fascial compartments of the leg, especially in the anterior compartment. The only treatment needed for stress fractures is rest from training. Fascial compartment pains also usually subside. If chronic fascial syndromes prevent training, fasciotomy is recommended as a reliable method to restore the athlete to normal training without pains.

Adolescent↗
PubMed1979

Venous drainage of the femoral neck in various stages of activity in Perthes' disease.

The venous drainage of the femoral neck in 73 children with Perthes' disease was analyzed from intraosseous venography films. 55 contralater symptomless hips were used as controls. In active stages of Perthes' disease, i.e. initial and fragmentation stage, the venous drainage was pathological in 46/55 hips (82%). In the restitution stage the finding was pathological in 7/18 (39%) and in healed Perthes' the venous drainage was normal in all six cases. Two out of the 55 symptomless hips showed pathological venous drainage. The disturbances in the venous drainage of the femoral neck seem to correlate with the stage of activity of Perthes' disease. Along with clinical and radiological signs of restitution the venous drainage seems to return to normal.

Adolescent↗
PubMed1978

Exertion injuries in adolescent athletes.

A series of 147 cases of exertion injuries in less than or equal to 15 years old athletes is presented. All injuries occurred during training or athletic performances without trauma and caused symptoms that prevented athletic exercises. There were 67 girls (46%) and 80 boys (54%) in the material. About 90% of them had been training for more than one year before the onset of the symptoms; 65% were interested in track and field athletics, 13% in ball games, 11% in skiing, 4% in swimming, and 3% in orienteering. The rest were interested in other sports. About 33% of the injuries were growth disturbances or osteochondroses seen also in other children. About 15% were anomalies, deformities or earlier osteochondritic changes, which caused first symptoms during the physical exercise; 50% were typical overuse injuries that may bother adult athletes, too; 43% of the injuries were localized in ankle, foot and heel, 31% in knee, 8% in back and trunk, 7% in pelvic and hip region, and the rest in other parts of the body. The injuries were generally slight, no permanent disability was noticed. Rest and conservation therapy cured most cases; operative treatment was used in only eight cases.

Adolescent↗
PubMed1978

Stress fractures caused by physical exercise.

A series of 142 stress fractures caused by sporting activities and physical exercise is presented. 121 fractures occurred in athletes and 21 in non-competitive sportsmen. Distance runners presented with 68 fractures, skiers 12, sprinters 10, orienteering runners 9, vaulters 3, and football-players 3 fractures. Athletes engaged in other events had fewer stress fractures. 76 fractures occurred in the tibia, 26 in the metatarsal bones, 20 in the fibula, 5 in the femoral neck, 4 in the femoral shaft, and 2 in the metacapal bones, lower pubic arch and sesamoid bones of the first MTP-joint. There was one fracture of each of the following: the humeral shaft, the ulna, the vertebral arch of L 5, the tarsal navicular and the proximal phalanx of the fifth toe. The treatment was generally a pause in training for 4-6 weeks, on the average. Running caused most of the stress fractures; the rest followed jumping exercises. The athletes mostly developed stress fractures during a period of alteration from one training session to another or during the preparation period close to the competition season. Joggers usually developped stress fractures 2-4 months after the beginning of regular training.

Adolescent↗
PubMed1978

Athlete exertion injuries.

Over a period of three years 829 cases of greater than or equal to 16-year-old athlete exertion injuries and syndromes were collected. There were 75 women and 754 men in the series. About 90% of the athletes had been training regularly for more than two years, and 75% of them trained 6 times a week or more. Approximately 52% of the injuries occurred in track and field athletics, about 17% in ball events, 13.6% in skiing, 7.4% in orienteering, and 4.7% in power events. Other sports were associated with fewer exertion injuries. 28.7% of the conditions occurred in the knee, 17% in the ankle, foot and heel, 14.8% in the leg, 8.2% in the back and trunk, 8.1% in the thigh, 7.4% in the achilles tendon. The rest were in the shoulder, neck and upper extremities. In 92% of the patients conservative treatment and rest were used. Only 8% of the cases were treated surgically.

Adolescent↗
PubMed1978

A new anti-inflammatory drug, proquazone, and ibuprofen in the treatment of degenerative joint disease of the knee (gonarthrosis). A double-blind comparative study.

The therapeutic effect and the tolerance of a new non-steriod anti-inflammatory compound, proquazone, were compared with those of ibuprofen in a double-blind, randomized study on patients with gonarthrosis. Totally 39 patients participated in the study: 19 patients in the proquazone group and 20 patients in the ibuprofen group. The two drugs were given in daily doses of 900 mg and 1200 mg respectively during 3 weeks. In both treatment groups a good result was achieved in more than 70% of the cases, but proquazone seemed to be more effective in reducing swelling and pain of knee. There were more side effects in the proquazone group than in the ibuprofen group, but they were generally mild and disappeared spontaneously. Only one patient in the proquazone group withdrew, because of epigastric discomfort.

Adult↗
PubMed1978

Coxal dysplasia in a pig. A case report.

A deformed hip joint which was accidentally found in a test pig is described. On the grounds of radiological, macroscopic and microscopic examinations, this is considered to be caused by a congenital dysplasia of the hip joint.

Animals↗
PubMed1977

Arthrography in the diagnosis of ligament injuries and classification of ankle injuries.

Arthrography was assessed in 300 cases of ankle injury to determine its diagnostic information yield and its aid in classifying ankle injuries. No complications occurred as a result of the procedure. In 59 cases, information gained from the procedure was verified at surgery. Arthrography was considered to give valuable information in 85% of the cases of ligament ruptures.

Ankle Injuries↗
PubMed1976

Ring total hip replacement in osteoarthrosis.

A follow-up is given of the results of 40 arthroplasties with the non-cemented, vitallium-to-vitallium bearing Ring total hip prosthesis in 37 patients with osteoarthrosis. Operative indication was an intolerably painful and stiff joint. The surgery was performed by two specialists in orthopaedics. Point scors according to a modification of merle d'Aubigné's classification showed excellent or at least good results in 52.5 per cent, and fair results in 27.5 per cent of the operations. One prosthesis was removed because of deep infection. The mortality rate was zero. In 20 per cent the total score was between 0 and 7, signifying little or no improvement. Loosening was the main problem even although it was in many cases well tolerated by the patients.

Adult↗
PubMed1976

The Moore vitallium femoral-head prosthesis in fractures of the femoral neck.

A follow-up is given of early and late results in 109 arthroplasties with the self-locking Austin T. Moore vitallium femoral head prosthesis in fractures of the femoral neck on 106 patients. Operative indication was usually fresh medical fracture of the femoral neck in an elderly woman, or its late complication. The surgery was performed in a unit for general surgery also engaged in pre- and postgraduate teaching activities. Many operations were performed by residents engaged in general surgery or orthopaedics. Point scores according to a modification of Merle D'Aubigné's classification showed excellent or at least good results in 81 per cent of the 69 mobile patients. Because of deteriorated general physical condition 11 patients were chronically bed-ridden. Five patients could not be reached. In three instances the prosthesis was removed. 21 patients died, three during the stay in hospital and 18 later for reasons not connected with the operative procedure. The mortality during 40 months of observation corresponded fairly well to that expected in the age group for the population as a whole.

Adult↗
PubMed1976

Intertrochanteric osteotomy in the treatment of Perthes' disease.

Intertrochanteric osteotomy has been carried out in 34 children with Perthes' disease. Five weeks after the operation the patients were allowed to move about freely. The average postoperative follow-up period was 27 months. At that time the results seemed to be at least as good as those of Thomas' splint therapy. The varus-derotation osteotomy performed in the initial stage accelerated the process of reossification and seemed to prevent subluxation. According to our findings it is worthwhile correcting the subluxation even in cases with irreversible changes.

Child↗
PubMed1976

The effect of intertrochanteric osteotomy on the venous drainage of the femoral neck in Perthes' disease.

Intraosseous femoral neck venography was performed both pre- and postoperatively on 30 patients with Perthes' disease. At the time of the operation (osteotomy) and the preoperative venographies, the disease was in the initial stage in 16 patients, in the fragmentation stage in eight patients and in the restitution stage in six patients. As shown previously the venous drainage of the femoral neck preoperatively, in the initial and fragmentation stages of the disease, was different from the venous pattern of the healthy (control) hips in every case, indicating an obstruction of the venous flow. 4-15 months after the osteotomies this venous obstruction had disappeared completely or almost completely in most cases. This normalization happened sooner than expected on the basis of our findings with conservatively-treated patients.

Child↗