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Biomedical subjects

L M Oloff

Publications and source records attributed to L M Oloff.

35 records · Page 2Linked to original sources
PubMedDate not supplied

Subtalar joint arthroscopy for sinus tarsi syndrome: a review of 29 cases.

Twenty-nine consecutive patients who underwent diagnostic or therapeutic subtalar joint arthroscopy for sinus tarsi syndrome were retrospectively reviewed. The mean length of follow-up was 18 months. There was a history of trauma in 86% of the patients, with an inversion sprain being the most common predisposing injury (63%). All patients had a primary preoperative diagnosis of sinus tarsi syndrome. Magnetic resonance imaging was useful in identifying subtalar joint chronic synovitis and/or fibrosis in all 26 patients who were imaged. Subtalar joint synovectomy was the most common procedure performed. Twelve patients had 15 additional operative procedures. One patient required an arthrotomy secondary to arthrofibrosis. There were no postoperative complications. The mean return to full activity was 4 months. The mean postoperative AOFAS Ankle-Hindfoot Scale score was 85 points. Subtalar joint arthroscopy has proven to be a relatively safe and effective diagnostic and therapeutic technique in the management of sinus tarsi syndrome.

Adolescent↗
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Iliac crest donor site morbidity in foot and ankle surgery.

The authors retrospectively reviewed anterior iliac crest donor site morbidity in 40 consecutive patients (42 donor sites) who underwent graft harvesting for reconstructive foot or ankle surgery. The mean time to follow-up was 22 months (range, 1 to 48 months). The overall complication rate was 2.4%, with one early minor complication and no major complications. The authors conclude that anterior iliac crest-harvesting techniques that rely on minimal soft tissue dissection and the removal of small-to-moderate volumes of bone have reduced frequencies of minor and major donor site complications.

Adult↗
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Application of distal metaphyseal osteotomy for treatment of high intermetatarsal angle bunion deformities.

This is a retrospective study of 10 patients (13 feet) with moderate to severe hallux valgus who underwent a chevron or modified chevron osteotomy with multiple adjunctive soft-tissue releases for surgical treatment. Radiographic and subjective results were evaluated with an average follow-up of 24 months (range, 10-41). Preoperative criteria included an intermetatarsal (IM) angle of greater than 16 degrees (average of 18.4 degrees) and painful hallux valgus deformity. Average preop hallux abductus was 35.4 degrees (range, 25 degrees-48 degrees). The average reduction in the actual IM angle was (-) 5.2 degrees with a relative IM correction of (-) 11.6 degrees. Average postoperative hallux abductus angle was 7.0 degrees (range, 0 degree-22 degrees). Subjectively, all patients were satisfied with their results and stated they would have the procedure again. No complications were noted in this patient population, including, infection, avascular necrosis, hallux varus, and recurrence of deformity. The chevron osteotomy was found to be successful in this population with high intermetatarsal angles when appropriate consideration was given to correction of soft-tissue-deforming forces and contractures.

Adult↗
PubMedDate not supplied

Flexor hallucis longus dysfunction.

Nineteen consecutive cases of flexor hallucis longus stenosing tenosynovitis that underwent operative tenolysis from September 1994 to December 1996 were retrospectively reviewed. This is classically a disorder of ballet dancers, and to a much lesser extent, running athletes. The patients were primarily nonathletic, male, and middle-aged. The mean symptom duration was 20 months, multiple physicians had been encountered, and misdiagnosis was common. Patients presented with overlapping signs and symptoms of flexor hallucis longus tendinitis, plantar fasciitis, and tarsal tunnel syndrome. A cross-reference of patients with posteromedial ankle pain, medial arch pain, and/or a positive Tinel's sign revealed that 14 (74%) and 6 (32%) feet had two of three, or all three signs, respectively. Magnetic resonance imaging and tenography proved valuable in establishing the correct primary diagnosis. Nonoperative protocols were unsuccessful. Flexor hallucis longus tenolysis was successful in each case with a mean return to regular activity at 9 weeks. Flexor hallucis longus stenosing tenosynovitis may be more prevalent than reported and should be a diagnosis of inclusion among all patient populations who present with posterior ankle, medial arch, and/or tarsal tunnel symptoms.

Adolescent↗
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Antibiotic-impregnated bone cement: an in vitro comparative analysis.

This manuscript examines the in vitro antibacterial activity of eight different antibiotics when mixed with polymethyl methacrylate. Two different parameters are presented as being important considerations in the choice of antibiotic. One parameter is the bacterial inhibition created by the direct contact of the antibiotic-impregnated bone cement. The second parameter is the bacterial inhibition produced by diffusion of antibiotic from the bone cement into the surrounding liquid medium. These two experimental models were created to establish the contiguous and remote antimicrobial effects of antibiotic-impregnated bone cement.

Anti-Bacterial Agents↗
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Complications of subtalar arthroereisis.

Arthroereisis procedures involving the subtalar joint in the pediatric flatfoot have had great success in limiting/preventing abnormal or destructive pronating forces transmitted into the foot. This report presents actual and potential complications of these procedures.

Adolescent↗
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Cyst and cystlike lesions of the foot.

A variety of cyst and cystlike lesions may present in the osseous structures of the foot. Such lesions are infrequent in their occurrence, and often cannot be diagnosed on the basis of radiographic appearance. In addition to the morphologic data that can be derived from evaluation of standard radiographs, other diagnostic radiographic studies such as tomography, CT scanning, radionuclide bone imaging, angiography, or other studies may be required to ascertain the nature and extent of cystlike lesions of the foot. This is dependent on histopathologic information derived from biopsy. A variety of cyst and cystlike lesions of the foot are presented with a review of their basic morphology and histopathologic, clinical, and prognostic characteristics.

Adolescent↗
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Non-steroidal anti-inflammatory drugs in podiatric medicine and surgery.

This paper presents a review of nonsteroidal anti-inflammatory drugs (NSAIDs) in podiatric medicine and surgery. Although these agents possess a high degree of safety and efficacy, proper patient selection, monitoring, and early detection of side effects are emphasized. A discussion of prostaglandin biochemistry and physiology is included.

Age Factors↗
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Opening base wedge osteotomy of the first metatarsal utilizing rigid external fixation.

The authors describe their operative approach to metatarsus primus adductus deformity when present in conjunction with a congenitally short first metatarsal. Hallux abducto valgus correction in this clinical setting has traditionally advocated use of a crescentic or opening wedge osteotomy in order to prevent further shortening of the first metatarsal. Fixation of opening base wedge osteotomies has been fraught with problems in the past, with possibilities for displacement or eventual loss of initial correction. The authors have found the mini-Hoffmann external fixation device useful for this purpose.

Adolescent↗
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Adolescent hallux valgus: its etiology and surgical management.

Although most patients who seek relief are adults, the problem of hallux valgus frequently begins at an earlier age. In the juvenile patient, except for congenital anomalies or inflammatory juvenile rheumatic disease, hallux abducto valgus appears to be related to the biochemical malfunction. It requires not only surgical management, but also the use of orthotics or surgical stabilization.

Adolescent↗
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A statistical analysis on the reliability of the proximal articular set angle.

The authors investigated the statistical relationship and significance between the transverse and sagittal plane proximal articular set angles both radiographically and intraoperatively. The analysis revealed a highly significant difference between the means of the respective measurements. Although the radiographic and intraoperative findings were found to be related for the transverse plane proximal articular set angle, the transverse plane PASA was approximately 7 degrees greater when measured intraoperatively. The concept of a sagittal plane PASA was also introduced. The significance of accurate measurements in the surgical correction of hallux valgus was also examined.

Hallux Valgus↗
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Atypical fibrous histiocytoma of the great toe.

Fibrous histiocytomas are benign but aggressive tumors of histiocytic origin. The authors describe and discuss an example of an atypical fibrous histiocytoma that involved the soft tissue of the great toe. These tumors sometimes recur after local excision.

Aged↗
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The use of radionuclide bone and joint imaging in arthritic and related diseases.

Patients with arthritic complaints are seen frequently by podiatrists, who must establish a differential diagnosis. When combined with the patient's history, physical examination, joint aspiration, laboratory data, and radiographs, bone and joint scans provide a sensitive and objective means of arriving at an accurate diagnosis.

Adult↗
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Surgical management of forefoot supinatus in flexible flatfoot deformity.

In the past, many surgical procedures have been advocated for correction of painful flexible flatfoot deformity. More recent opinions advocate the concept that no one procedure is appropriate to all flatfoot deformities. Individual assessment is now necessary to determine the predominant component deformities. One such component deformity frequently encountered is forefoot supinatus. The authors review the more commonly performed procedures for this problem, as well as their preferred approach of the modified Hoke arthrodesis or Cotton osteotomy. The choice of procedure is dictated by whether the first metatarsal or longitudinal axis subluxation predominates.

Adolescent↗
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Rheumatoid nodulosis in the foot: a variant of rheumatoid disease.

Rheumatoid nodulosis is a relatively benign variant of rheumatoid disease. This entity has been previously ignored in the medical literature. Confusion with other diseases that can produce nodules is not infrequent. A discussion of this entity, as well as a case report, will be presented.

Adult↗
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Sickle cell anemia in podiatric surgery.

A review of sickle cell anemia is presented, with attention to clinical manifestations, surgery, and lower extremity complications.

Anemia, Sickle Cell↗