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Biomedical subjects

H Seradge

Publications and source records attributed to H Seradge.

15 recordsLinked to original sources
PubMed1995

The effect of intercarpal joint motion on wrist motion: are there key joints? An in vitro study.

The contribution of each intercarpal joint individually and as a member of a regional group to total wrist motion was analyzed in 10 fresh, frozen cadaver specimens. Each intercarpal joint had an effect on the total wrist motion, but the contribution of each to the different planes of motion was not equal. The scaphoid-capitate joint had a governing effect on the motion of a region comprised of scaphoid-trapezium, scaphoid-trapezoid, and scaphoid-capitate. The lunate-capitate joint had a governing effect on the motion of a region comprised of the lunate-triquetrum, lunate-capitate, triquetrum-hamate, and hamate-capitate complex. Elimination of motion in either of the key governing joints affected total wrist motion the same as elimination of motion in all the joints in that region. Intercarpal fusion for treatment of ligament injury of the proximal intercarpal row may be limited to the scaphoid-capitate or lunate-capitate joint. There is no need to attempt fusion in all joints of either of the two regions.

Adolescent↗
PubMed1990

Segmental motion of the proximal carpal row: their global effect on the wrist motion.

The contribution of the scapho-lunate and luno-triquetral joints to global wrist motion was studied in 11 fresh-frozen cadaver specimens. The carpus were labeled with metallic markers and the joints were selectively transfixed with wires. The wrist was allowed to follow its natural radial and ulnar deviation during flexion and extension, extension and flexion during radial and ulnar deviation, respectively. The data was collected by means of radiography, goniometric measurement, and computer analysis. The proximal carpal row (the intercalated segment) although anatomically represented as a row, presented through its two intersegmental joints, a definite segmental behavior. Each intersegmental joint of the proximal carpal row influenced global wrist motion in all directions but to a different degree for each plane of motion. The segmental joints within the intercalated segment collectively govern 40% of the wrist flexion, 33% of extension, and 10% of ulnar deviation. The scaphoid through its scapho-lunate link exerts a governing effect on total intersegmental proximal carpal row contribution to the global wrist motion.

Adult↗
PubMed1990

Median innervated hypothenar muscle: anomalous branch of median nerve in the carpal tunnel.

A hypothenar motor branch of the median nerve in the carpal tunnel was observed and its motor function was documented by direct intraoperative nerve stimulation in two patients having carpal tunnel releases. The hypothenar branch left the median nerve at the midcarpal tunnel area. It crossed the tunnel superficial to the flexor tendons and penetrated the transverse carpal ligament ulnarly to innervate the abductor digiti quinti. Such branching of the median nerve at this level has not been reported previously. Good visualization of the carpal tunnel and careful dissection of its content even in the so called safe zone ulnar to long axis of palmaris longus tendon is recommended.

Adult↗
PubMed1989

Piso-triquetral pain syndrome after carpal tunnel release.

Hypothenar pain was a major complaint in 1.1% of patients 6 months after operation in 500 consecutive carpal tunnel releases. Pain, discomfort, and loss of grip strength was noticed mostly during activities requiring full hand grip or activities associated with use of the heel of the hand, such as pushing up from a chair, or pushing open a door with the flat palm. The pain originated from the piso-triquetral joint, possibly a result of intercarpal alignment change after carpal tunnel release. Pisiform excision was curative, with complete relief of symptoms and return of strength and dexterity. Awareness of this syndrome and systemic evaluation of the piso-triquetral joint preoperatively and postoperatively, as presented here, are essential in the management of this condition.

Adult↗
PubMed1984

Perichondrial resurfacing arthroplasty in the hand.

A retrospective study of 36 perichondrial resurfacing arthroplasties, 16 metacarpophalangeal (MP) joints, and 20 proximal interphalangeal (PIP) joints with a minimum follow-up of 3 years was conducted to further define indication and contraindication of this procedure. The overall results for MP joints were 56% good, 25% fair, and 19% revision, and for PIP joints, 55% good, 15% fair, and 30% revision. All arthroplasties for healed pyarthrosis failed. Concomitant tendon repair was a cofactor in the high failure rate. Patient age had a direct influence on the outcome of the arthroplasty. In MP joint arthroplasties, 100% of patients in their 20s had good results and 75% in their 30s had good results. In PIP joint arthroplasties, 75% of patients in their teens and 66% in their 20s had good results. Good results were not recorded in MP or PIP joints for patients older than 40 years of age. Perichondrial resurfacing arthroplasty should be considered contraindicated in the treatment of arthropathies resulting from healed pyarthrosis, systemic diseases with joint involvement, concomitant tendon reconstruction, and age over 40 years. The procedure is indicated and can be utilized in the treatment of traumatic arthritis of the MP and PIP joints of the hand in young individuals.

Adolescent↗
PubMed1983

Elongation of the repair configuration following flexor tendon repair.

A prospective study was carried out to evaluate the status of repair and its relation to the incidence of tenolysis in 91 primary flexor tendon repairs in zone II of the hand in 39 patients. Forty-three flexor tendons were repaired by criss-cross technique and 48 flexor tendons by modified grasp technique. The median increase in the intramarker distance was 1.8 mm for the criss-cross technique and 0.6 mm for the modified grasp technique. Of the flexor tendons repaired by criss-cross technique, 18.5% required tenolysis compared to 6.2% in the group repaired by modified grasp technique. The incidence of tenolysis rose sharply when elongation at the repair site was more than 3 mm for the criss-cross technique and more than 1 mm for the modified grasp configurations. There is a direct correlation between the incidence of tenolysis and the amount of elongation of the repair area.

Adolescent↗
PubMed1982

Acute irreducible anterior dislocation of the shoulder.

In the past 6 years, three patients were treated for acute anterior shoulder dislocation which could not be reduced by closed means. Interposition of the labrium was found to be the cause for irreducibility in one patient. The obstructions to reduction in the other two cases were dislocation of the biceps tendon into the joint in one and interposition of the biceps tendon and the greater tuberosity into the joint in the other. The condition manifests in adults more than 40 years old. Redislocation or subluxation has not been observed.

Aged↗
PubMed1982

Distal ulnar translocation in the treatment of giant-cell tumors of the distal end of the radius.

Two patients with a giant-cell tumor of the distal end of the radius were treated by en bloc resection of the distal part of the radius and by replacement of the resected segment with the translocated distal portion of the ipsilateral ulna. The blood supply to the ulna without detaching its soft-tissue attachments. The distal articular surface of the ulna was resected and the ulna was fused to the lunate and the scaphoid. The ulnar segment was internally fixed to the proximal segment of the radius and to the carpus with an intramedullary Steinmann pin. Both patients obtained a useful, pain-free extremity with more than 85 per cent of forearm rotation and 10 to 15 degrees of flexion-extension at the wrist.

Adolescent↗
PubMed1982

Analysis of version in the acetabular cup.

To determine the amount of anteversion or retroversion of the acetabular component of the implanted total hip prosthesis, two anteroposterior radiographs of the hip are obtained, with the contralateral hip flexed to compensate for the possible existing flexion contracture. The X-ray beam is centered on the implanted total hip in one radiograph, and moved away from it toward the contralateral hip in the second radiograph. If the cup is anteverted, the opening will seem wider in the second radiograph. To calculate the angle, the location of the center of the X-ray beam on the X-ray plate must be know. The center of the X-ray beam can be marked on the radiograph by putting a metalic cross on the patient, over the centering cross of the X-ray light source. If the distance of the signature of the X-ray's center beam is less than 8 mm for the center of the cup on the X-ray film, the cup version can be calculated from the arcsin of the shortest to the largest diameter of the cup. If the central ray's signature is farther away, correction is necessary for this calculation. Also, the variable parameters, e.g., cup size, and magnification rate, should be considered in the calculations. The anteroposterior radiographs of the implanted total hip, obtained with the central beam being marked on the X-ray plate, not only are useful for evaluation of the implant but also can be used to calculate the version angle with an accuracy of +/-2 degrees. The necessary calculation is tabulated for cups with an outside diameter of 44-56 mm.

Acetabulum↗
PubMed1982

Injuries to the knee ligaments with fractures of the femur.

Evaluation of twenty-four consecutive patients with fracture of the femoral shaft showed injuries of the ligaments of the ipsilateral knee in eight (33 per cent) of them. The history was always one of violent injury, but the examiner had to suspect that this combination of injuries had occurred simultaneously before a careful local physical examination elicited diagnostic signs. Then, pin stabilization of the distal part of the femur with stress radiographs of the knee yielded an early diagnosis. Late recognition of the combined injuries usually could be documented by radiographs of the femur and the knee in traction.

Adolescent↗
PubMed1981

Ochronotic stenosing flexor tenosynovitis--case report.

Localized deposition of ochronotic pigment in the flexor digitorum profundus tendons was associated with triggering of the fingers in one patient. The case history and histologic studies suggest that repetitive trauma might be a major factor in initiating a localized reaction enhancing pigment deposition in the flexor tendon.

Finger Injuries↗
PubMed1981

Reduction flexor tenoplasty. Treatment of stenosing flexor tenosynovitis distal to the first pulley.

Trigger finger due to stenosing flexor tenosynovitis distal to the first annular pulley is not a common finding; however, when present, it introduces a diagnostic and therapeutic challenge. Resection of the second annular pulley for release of triggering at this level may leave the patient with impaired function. The pulley can be preserved by removing an elliptical portion of the center of the tendon through a lateral incision.

Adult↗
PubMedDate not supplied

Tendon passer.

Explore the source record for details and available documents.

Ankle Joint↗
PubMedDate not supplied

Clostridial myonecrosis following intra-articular steroid injection.

Fatal clostridial myonecrosis occurred in a 65-year-old man after intra-articular injection of steroids to the shoulder joint. Clinical evidence of the possibility of clostridial infection is sufficient reason to initiate treatment. The opportunity to save a life may be lost by waiting for paraclinical data for definitive diagnosis to initiate treatment. "Surgical skin prep" for every intra-articular injection is a preventive measure. Increasing joint pain after intraarticular injection should be considered a serious complaint and requires careful clinical follow-up observations.

Aged↗