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Biomedical subjects

C J Janecki

Publications and source records attributed to C J Janecki.

17 recordsLinked to original sources
PubMed1992

Posterior tibial tendon dysfunction.

Posterior tibial tendon dysfunction, a common entity, frequently is unrecognized and inappropriately managed. Acutely, pain and swelling are present over the medial ankle and longitudinal arch. Long-standing inflammation can lead to tendon rupture, resulting in a progressive planovalgus or "flat foot" deformity. Plain radiographs illustrate the changes in bony anatomy associated with chronic posterior tibial deficiency, while magnetic resonance imaging scans can identify the three stages of posterior tibial tendon pathology. Most cases are amenable to conservative therapy, including rest and administration of nonsteroidal antiflammatory agents. Often a short period of immobilization in a cast or the use of an orthosis is beneficial. In cases with persistent tenosynovitis, complete tendon rupture, or progressive deformity, surgical intervention is indicated.

Biomechanical Phenomena↗
PubMed1992

Bone signal abnormalities in the posterolateral tibia and lateral femoral condyle in complete tears of the anterior cruciate ligament: a specific sign?

Thirty-two patients with acute, complete tears of the anterior cruciate ligament (ACL) proved at surgery underwent examination with magnetic resonance (MR) imaging. Bone impaction sites were present in the posterolateral tibial plateau in 30 patients (94%) and in the lateral femoral condyle (LFC) in 29 patients (91%). The bone abnormalities had low signal intensity on T1-weighted images and high signal intensity on T2-weighted images when compared with the signal intensity of normal marrow. It is assumed that the bone changes occur during injury when the LFC impacts into the posterior tibia, either during the initial rotary subluxation or as the LFC recoils to return to anatomic alignment. Only one of six partial ACL tears had a bone signal change. In patients with acute knee injury, bone impaction sites in the posterolateral tibia and the LFC suggest that a complete ACL tear is present.

Anterior Cruciate Ligament Injuries↗
PubMed1991

Distal oblique osteotomy for tailor's bunion.

Thirty-six patients with a total of 50 symptomatic tailor's bunions were evaluated clinically, radiographically, and subjectively, both before and after a distal oblique osteotomy procedure was performed. Thirty-four of 36 patients were satisfied with pain relief. Radiographic measurements derived from this study were consistent with those of other studies. Avascular necrosis, nonunions, or neuroma formation were not encountered in this study. The significant advantages of this procedure are its simplicity, safety, and predictability. The procedure does not require internal fixation or postoperative immobilization.

Adolescent↗
PubMed1978

Arthroscopy of the knee.

Fiberoptics permit a minimally invasive direct inspection of the knee joint. Arthroscopy is indicated when no definitive clinical diagnosis can be made. An organized approach includes inspection of the suprapatellar pouch, the articular surfaces of the patella, the medial and lateral compartments of the knee and the intercondylar area. Common afflictions diagnosed by arthroscopy include chondromalacia, meniscal lesions, osteoarthritis, cruciate ligament injuries, chronic synovitis and loose bodies. Complications and morbidity are minimal.

Endoscopes↗
PubMed1978

Whiplash syndrome.

Whiplash, or cervical acceleration extension injury, is due predominantly to hyperextension and prolongation of the neck, with rebound flexion. A variety of disabling soft tissue injureries may result, including vertebral arter damage. While x-rays are generally unremarkable, they should be obtained. Rational management is based on rest, heat and analgesics, muscle relaxants, isometric exercises and an informed patient. The assumption that whiplash syndrome occurs only in neurotic or litigation-minded patients should be discouraged.

Analgesics↗
PubMed1977

Voluntary subluxation of the acromioclavicular joint. A case report.

This is a case report of a 19-year-old girl with bilateral voluntary subluxation of the acromioclavicular joint, a condition which seems not to have been described in the literature. The complaints of pain were avoidable by desisting from habitual movements that subluxated her shoulders.

Acromioclavicular Joint↗
PubMed1976

Results of phalangectomy of the fifth toe for hammertoe. The Ruiz-Mora procedure.

The Ruiz-Mora procedure has been advocated for the correction of hammertoe deformities and congenital overlapping of the fifth toe, primarily on empirical grounds. This is a review of forty-one such procedures in which the operation was used for correction of a hammertoe deformity of the fifth toe with a painful corn overlying the proximal interphalangeal joint. Twenty-two patients with thirty-one procedures were followed for an average of 3.5 years. All of the patients had complete relief of symptoms and correction of deformity. However, in 23 per cent of the patients a painful prominent head of the fifth metartarsal or a bunionette developed, and in 32 per cent a hammertoe deformity of the adjacent fourth toe developed with a painful corn either over the proximal interphalangeal joint or on the tip of the fourth toe. These problems seem to be related to excessive shortening of the the fifth toe. Less bone resection (resection of only the head and neck of the proximal phalanx) might be preferable and might not lead to these complications.

Adult↗
PubMedDate not supplied

Preliminary report: modifications of the Regnauld osteochondral autogenous graft.

The enclavement procedure was originally described by Bernard Regnauld in 1968. The basal portion of the proximal phalanx of the hallux is used as an osteochondral autogenous graft in the treatment of hallux limitus, hallux rigidus, and hallux valgus. This paper presents a review of Regnauld's techniques, emphasizing an in situ modification of the inverted graft that allows for greater technical ease, increased stability, and improved graft viability, with more rapid incorporation.

Aged↗
PubMedDate not supplied

The gluteus maximus femoral insertion: a guide in surgery about the hip.

The proximal portion of the gluteus femoral insertion consistently lies at the level of the lesser trochanter, a common reference point in many surgical procedures about the hip. The advantages of using the tendinous insertion of the gluteus maximus into the femur over that of the lesser trochanter is that it is easy to palpate and visualize through the standard lateral and posterolateral approaches to the hip and proximal femur.

Femoral Fractures↗