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Biomedical subjects

A Hede

Publications and source records attributed to A Hede.

14 recordsLinked to original sources
PubMed1992

The long term outcome of open total and partial meniscectomy related to the quantity and site of the meniscus removed.

Two hundred patients were randomly selected for either a partial or a total meniscectomy for a meniscal tear during open operation. They were followed for a median of 7.8 years after operation. After partial meniscectomy, posterior horn tears had the worst outcome, but this was only apparent when more than two-thirds of the meniscus had been removed. The amount of meniscal tissue excised was inversely related to the function of the knee, except with bucket-handle tears treated by partial meniscectomy. Patients with bucket-handle, anterior and posterior horn tears had similar functional results after total meniscectomy. Preservation of the peripheral rim of the meniscus following partial meniscectomy produces the best functional results.

Follow-Up Studies↗
PubMed1992

Partial versus total meniscectomy. A prospective, randomised study with long-term follow-up.

Two hundred patients with a meniscal lesion were peroperatively allocated to partial or total meniscectomy in a random manner. The results were compared at one year and at 6.3 to 9.8 years (median 7.8). After one year more patients with partial meniscectomy (90%) than with total meniscectomy (80%) had no complaints. At the later review these figures were 62% and 52%, respectively (p = 0.18). However, patients with partial meniscectomy had higher functional scores. The deterioration in function between the first review and the second showed no significant difference in the two treatment groups. The incidence of mediolateral instability rose from 8% to 47% and was more frequent after total than after partial meniscectomy. Between the two reviews the radiological signs of knee degeneration increased with no difference between the two treatment groups.

Follow-Up Studies↗
PubMed1991

Articular cartilage changes following meniscal lesions. Repair and meniscectomy studied in the rabbit knee.

A well-defined, longitudinal lesion in the avascular part of the medial meniscus of the right knee was made in 30 rabbits. After 3 months, the lesion was repaired surgically in 12 rabbits, was untreated in 12 rabbits, and a meniscectomy was performed in 6 rabbits. The articular cartilage was studied macroscopically and microscopically at 3-month intervals. Cartilage changes 3 months after meniscectomy were more pronounced than after meniscal repair or than in untreated lesions. However, meniscal repair did not reverse the cartilage changes.

Animals↗
PubMed1991

Repair of three-month-old experimental meniscal lesions in rabbits.

Repair of three-month-old longitudinal meniscal lesions in the central avascular portion of the knee joint was investigated in 18 rabbits. Three months after a longitudinal incision was made in the avascular portion of the meniscus, no healing was observed. At that time a full-thickness radial cut from the lesion to the joint capsule, without using synovial flaps or implants, was performed in ten of the 18 rabbits. Three months later, nine of the ten menisci had healed mainly with cartilaginous tissue, although the repaired areas were different from the normal fibrocartilage both histologically and at gross inspection. Synovitis with hyperplasia of the lining cells, which was present in all cases at the time of repair, may play an important role in the healing process.

Animals↗
PubMed1990

Epidemiology of meniscal lesions in the knee. 1,215 open operations in Copenhagen 1982-84.

In a suburban area of Copenhagen with approximately 620,000 inhabitants, all the openly operated on meniscal lesions of the knee joint between 1982 and 1984 inclusive were reviewed. The mean annual incidence of meniscal lesions per 10,000 inhabitants was 9.0 in males and 4.2 in females. The highest incidences were seen in the 3rd, 4th, and 5th decades of life. A higher frequency of trauma related to onset of symptoms was found among males (77 percent) than among females (64 percent). The bucket-handle lesion was the most frequent type of meniscal lesion in males (35 percent), whereas peripheral detachment was the most frequent in females (41 percent). A variable frequency of trauma inducing the lesions in males and females did not explain differences in type of meniscal lesion. Nineteen percent of our 1,215 patients had a partial meniscectomy, whereas 0.7 percent had meniscal repair.

Adolescent↗
PubMed1990

Symptoms and level of sports activity in patients awaiting arthroscopy for meniscal lesions of the knee.

Thirty-six patients who had symptoms suggestive of lesions of the meniscus of the knee were put on a waiting list for arthroscopy. Patients who had a locked knee, had had more than two episodes of locking, or had unrelieved swelling were given preference on the waiting list and were not included in the study. By the time of admission to the hospital for elective arthroscopy, six to twenty-four months after being placed on the waiting list, none of the thirty-six patients had worse symptoms: four had no change in symptoms (although two of these had stopped or reduced their sports activity), nine had no symptoms (but six of these no longer participated in sports), and the remaining twenty-three had partial relief of symptoms (but seventeen of the twenty-three no longer participated in sports or had reduced their activity). Four patients remained unable to work. Only two of the twenty-seven who had engaged in sports before they had symptoms resumed their normal sports activity. By the time of admission to the hospital, fourteen patients had decided not to go ahead with the arthroscopy; eight of these had decided to give up sports indefinitely. Of the twenty-two patients who had an arthroscopy, a meniscal abnormality was found in twelve. In two of these, a healed meniscal lesion was found.

Adult↗
PubMed1986

Partial or total open meniscectomy? A prospective, randomized study.

In order to compare partial with total meniscectomy a prospective clinical study of 200 patients was carried out. At arthrotomy 100 patients were allocated to each type of operation. The two groups did not differ in duration of symptoms, age distribution, or sex ratio. The operations were performed as conventional arthrotomies. One hundred and ninety two of the patients were seen at follow up 2 and 12 months after operation. There was no difference in the period off work between the two groups. One year after operation, 6 of the 98 patients treated with partial meniscectomy had undergone further operation. In all posterior tears were found at both procedures. Among the 94 patients undergoing total meniscectomy, 4 required further operation. In each, part of the posterior horn had been left at the primary procedure. One year after operation significantly more patients who had undergone partial meniscectomy had been relieved of symptoms. However, the two groups did not show any difference in the degree of radiological changes present.

Adolescent↗
PubMed1985

Sports injuries of the knee ligaments--a prospective stress radiographic study.

Forty-six patients were entered into a prospective clinical and stress radiographic study done to assess the value of acute surgical treatment of injuries to the knee ligaments sustained during sports activities. After an average follow-up period of 5 1/2 years (range 4-6 1/2 years) medial instability was found only in two patients, both of whom were in the group with isolated rupture of the medial collateral ligament. Nine of the 29 patients in this group developed rotatory instability, but it was moderate and did not give rise to symptoms. Among the 17 patients with either injuries to the anterior cruciate ligament or combined injuries, anterior drawer instability persisted in seven, with an insufficient functional result in five. None of these 17 patients were able to resume competitive sport. Those patients who had not exercised physically just before the injury proved to have a significantly greater total instability than those who had. Therefore, routine limbering-up is recommended before sports activities.

Adolescent↗
PubMedDate not supplied

Pes anserinus and iliotibial band transfer for anterior cruciate insufficiency.

Twenty-one patients with chronic anterior cruciate ligament insufficiency were treated with a combined iliotibial band (Ellison) and pes anserinus (Slocum-Larson) transfer procedure. Preoperatively, the most prominent instabilities were drawer laxity in 16 patients and anteromedial rotation in 5 patients. After a median of 34 months of followup, 15 patients were absolutely satisfied with the result, 2 were fairly satisfied, and 4 were not satisfied at all, including 2 patients who had been reoperated. All of the patients with unsatifactory results had a pivot shift and a positive Slocum test. Intraarticular derangements had no influence on the results. At followup, 14 patients demonstrated an anteromedial rotatory instability, indicating that the lateral stabilization procedure acted better than the medial one. Only a few patients returned to their preinjury levels of sports activity. Compared with other extraarticular procedures in the literature, the results were quite similar. The operative procedures used in this study cannot be recommended in cases with combined instabilities of the knee.

Adult↗