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J D Cash

Publications and source records attributed to J D Cash.

At least 19 recordsLinked to original sources

Bone banks.

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Blood Banks

Arthroscopic evaluation of allograft anterior cruciate ligament reconstruction.

In a previous study, we evaluated the findings of arthroscopic second looks at open anterior cruciate ligament reconstructions using autogenous tissue. We were disappointed at the variable quality of the ligaments and the presence of articular cartilage lesions. These findings led us to change our treatment protocol. Since 1983, we have used freeze-dried allografts for arthroscopic intraarticular ACL reconstructions. We have started protected motion in a brace immediately postoperatively and delayed weightbearing for 12-16 weeks. A total of 54 patients with at least a 2-year follow-up were evaluated subjectively (Lysholm scale) and objectively (KT 1000). Some 78% were rated good or excellent, and 87% were satisfied with their surgery. Of these 54 patients, 28 underwent subsequent surgery for hardware removal, manipulation, or removal of adhesions. All 28 had an arthroscopy, and an evaluation of ligamentous tissue and articular cartilage at the time of the second surgery. The graft resembled a normal anterior cruciate ligament in 18 patients. The graft was slightly lax in two of these patients, but their clinical examination revealed normal stability. In six patients, the intercondylar notch was covered by a sheath of dense, fibrous tissue, but the knees were stable. In two cases, there was slight fraying of the lateral aspect of the graft from impingement on the lateral femoral condyle. In two cases the graft failed. The condition of the articular cartilage was documented and compared with the condition of the articular cartilage at the time of cruciate reconstruction. In 19 cases, the articular cartilage had been normal and remained normal at the time of reevaluation.(ABSTRACT TRUNCATED AT 250 WORDS)

Anterior Cruciate Ligament

Reduction of a nonconcentrically relocated hip dislocation in a seven-year-old boy.

Traumatic dislocation of the hip in childhood is a rare injury. Treatment usually consists of a closed reduction and some form of immobilization. Inability to obtain a concentric reduction by closed means is commonly attributable to soft-tissue interposition. This is a report of a method not previously described for obtaining reduction of a nonconcentrically reduced traumatic hip dislocation without an open surgical procedure.

Arthrography

Chiari's osteotomy in the treatment of Perthes' disease.

Seventeen patients, with an average age of nine years 11 months, underwent 18 Chiari osteotomies for the treatment of painful subluxation of the hips following Perthes' disease. The average follow-up period was four years three months. The 13 patients reviewed clinically all did well and none complained of pain or instability. The radiographs were examined in all 17 cases. The average centre-edge angle and percentage femoral head cover were definitely improved by the operation. No significant medical displacement of the femoral head was achieved. The clinical success may result from improved femoral head coverage and diminished eccentricity. Chiari's osteotomy is recommended for adolescent patients with painful subluxation of the hip as a consequence of Perthes' disease.

Adolescent

Recent advances and perspectives on arthroscopic stabilization of the shoulder.

The goal of surgical stabilization of the unstable glenohumeral joint is to produce a stable yet mobile joint that can return to preinjury function. Open surgical procedures (in particular, the Bankart procedure) have evolved to a point where stability and mobility are being attained with a low complication rate, but the rate of return to preinjury function, particularly in overhead athletes, has not been ideal. Arthroscopic stabilization is an attractive alternative to open procedures, particularly in those patients who have a history of traumatic and unidirectional recurrent dislocations with a labral detachment. A variety of techniques for reattaching a detached labro-ligamentous complex have been described. Longer follow-up is needed to assess the efficacy of these procedures fully, particularly in light of the good results now being obtained with the open Bankart procedure. Longer-term studies have shown a higher rate of recurrence of dislocation with the arthroscopic technique than with the open technique. Arthroscopic stabilization offers the potential advantages of shorter hospitalization, less traumatic treatment of the soft tissues, more thorough examination of the glenohumeral joint and subacromial bursa, and greater cosmesis. It could also provide a means by which selective stabilization of those initial anterior dislocations that might be prone to recurrence could be performed. Long-term follow-up and randomized studies comparing open and arthroscopic techniques are needed to further define the best role of arthroscopic shoulder stabilization and to determine which of the several techniques described provides the best results with the fewest complications.

Arthroscopes

Four-year average follow up of cemented PCA total knees: clinical and roentgenographic analysis.

Twenty patients with 25 consecutive primary-cemented Howmedica PCA total knee prostheses were clinically and roentgenographically reviewed. Twenty implants were placed in 16 women and five in four men. The average patient age at surgery was 68.0 years (range, 53 to 82), and average follow up was 51 months. Total knee replacement indication was degenerative joint disease in 21 knees and rheumatoid arthritis in four. Excellent or good results were seen in 22 of 25 knees (88%) at the early follow up examination and 18 of 25 knees (72%) at the most recent follow up examination.

Aged

Specificity in the factor VIII response to vasopressin infusion in man.

Structural requirements of the systemic factor VIII response to intravenous vasopressin in man has been investigated using vasopressin analogues. With the analogues available the receptor specificity of this phenomenon could not be distinguished from those associated with the previously described plasminogen activator release or antidiuretic effects of this hormone. Further studies using 1-desamino-[8-D-arginine]vasopressin showed a dose-related release of both procoagulant and antigenic components of the factor VIII complex. The newly released factor VIII could not be distinguished from circulating factor VIII on the basis of molecular size, electrophoretic mobility or in vitro stability despite apparent differences in the duration of response of the procoagulant and antigenic components in vivo.

Adult

Effects of lysine vasopressin and glypressin on the fibrinolytic system in cirrhosis.

In eight patients with cirrhosis of the liver and portal hypertension an intravenous infusion of lysine vasopressin induced a rapid increase in the plasma level of the fibrinolytic proenzyme plasminogen activator. In contrast, triglycyl lysine vasopressin (glypressin; GVP), in a dose known to lower portal venous pressure, produced no fibrinolytic response. This lack of fibrinolytic response represents an advantage of GVP over lysine vasopressin in addition to its longer in vivo half-life and lower cardiotoxicity. Clinical trials of GVP in the treatment of bleeding oesophageal varices are needed.

Aged

beta-thromboglobulin and deep vein thrombosis.

The measurement of plasma beta-thromboglobulin as a potential diagnostic test for venous thrombosis has been investigated in 16 normal volunteers, 24 patients presenting with deep vein thrombosis (DVT) or pulmonary embolism and 46 patients screened by 125I fibrinogen test (IFT) for post-operative DVT. The normal mean was 33 ng/ml (range 15-117 ng/ml). Of the 24 patients with clinical thrombotic disease 22 presented with DVT confirmed by phlebogram or IFT and 2 presented with embolism confirmed by lung scan. At the time of first presentation 12 out of 24 had betaTG values greater than 70 ng/ml. All except 3 of this group of 24 patients had values of greater than 70 ng/ml at some stage during a subsequent week of daily sampling. DVT was detected in 13 out of 46 screened post-operative patients. There was a rise om betaTG observed within 24 hr of the IFT becoming positive but the mean rise did not reach significance at the 5% level. An association between DVT and high betaTG values has been confirmed. However, its clinical value cannot yet be fully elucidated until factors, probably related to blood sampling and clearance, are further investigated.

Beta-Globulins

The different forms of antithrombin II in serum.

Antithrombin III (AT III) complexes were isolated from human serum by affinity chromatography and gel filtration. In the first step of the preparation, using heparin-agarose chromatography, we observed that the complexed form of AT III bound less strongly to the gel than the free form and that about half of the AT III was free. With further purification a 2.5 X 10(5) molecular weight complex was isolated. Using 125I labelled human thrombin, this complex was radioactive indicating the presence of thrombin. Only in a synthetic thrombin-AT III system was a 9 X 10(4) molecular weight complex detected, but not in serum. These facts suggest that in serum AT III complexes may exist in a polymeric form. Also, an AT III antigen derived from the original AT III molecule, but not complexed, was isolated which may be a degradation product.

Antigens