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Biomedical subjects

D Keret

Publications and source records attributed to D Keret.

At least 19 recordsLinked to original sources
PubMed1995

[Laparoscopic colonic resection].

We present our initial experience with laparoscopic colonic resection in 15 patients: adenocarcinoma of the colon, 10 cases, giant villous adenoma (2), arteriovenous malformation (2), and a case of benign stricture. Mean operating time was 190 minutes and there were no intraoperative complications. The margins of resection and number of resected lymph nodes in patients with malignancy were comparable to those in the conventionally operated. Mean postoperative hospital stay was 6.1 days. During a maximum follow-up of 15 months there were no wound or trocar-site recurrences. We conclude that laparoscopic colonic resection is technically feasible and safe. However, its use for treating malignant diseases of the colon needs further study.

Adenocarcinoma↗
PubMed1992

Seasonal fluctuations in acute upper gastrointestinal bleeding: lack of effect of nonsteroidal anti-inflammatory drugs.

The seasonal pattern of community-based acute bleeding from the upper gastrointestinal (UGI) tract was studied prospectively in 1988-1991. Out of 3343 emergency admissions to the Departments of General Surgery, 321 (9.6%) were due to acute UGI bleeding. There was a significant monthly variation in the total number of admissions, as well as in the number of admissions due to acute UGI bleeding (p < 0.0001). However, there was no correlation between the two. Significant seasonal fluctuations were noted both in the absolute number of admissions due to acute UGI bleeding and in the percentage of UGI bleeding admissions of the total number of admissions to the Departments of General Surgery (p = 0.0002). During summer (July through September), the incidence declined significantly to a nadir of 5.5% of total number of admissions in July. The seasonal fluctuation correlated closely with the incidence of duodenal ulcer, but not with that of gastric ulcer. The seasonal pattern was consistent both in patients who had used aspirin or other nonsteroidal anti-inflammatory drugs as well as in those who had not.

Anti-Inflammatory Agents, Non-Steroidal↗
PubMed1992

Chondrolysis: detection by bone scintigraphy.

Premature closure of the physis of the greater trochanter has been reported to be a predictive sign of chondrolysis in hips with slipped capital femoral epiphysis (SCFE). In the present series, the physis of the greater trochanter showed decreased activity on bone scintigraphy in 16 patients with SCFE and concurrent or developing chondrolysis. In five of these patients, the scintigraphic pattern (decreased activity of the physis of the greater trochanter) preceded radiographic changes of chondrolysis. In 13 patients with SCFE without chondrolysis, the physis of the greater trochanter appeared normal on scintigrams and open on radiographs. Use of scintigraphy in patients with SCFE permitted earlier recognition of chondrolysis, increasing the potential of altering the course of the disease.

Adolescent↗
PubMed1991

[Primary epiphyseal osteomyelitis in children].

A 4-year-old boy was hospitalized for suspected hematogenous osteomyelitis of the distal femur. Bone scan and repeated radiographs showed a rare condition, primary epiphyseal osteomyelitis. Needle biopsy and aspiration were negative. Penbritin and orbenil, 2 g of each, gave complete clinical and radiographic healing 7 weeks after initial treatment.

Child, Preschool↗
PubMed1991

Tibia valga after fracture: documentation of mechanism.

Tibia valga following fracture in the proximal metaphysis of the tibia in children was previously attributed to various mechanisms. This case report offers an additional explanation based on bone scintigraphy 10 months after injury. Decreased radionuclide uptake at the lateral proximal tibial physis without evidence of increased uptake on the medial side suggests that a Salter type V injury to the lateral growth plate can occur in conjunction with a medial metaphyseal fracture, resulting in the development of tibia valga.

Child, Preschool↗
PubMed1991

[Social and functional results of brachial plexus birth injury].

Long-term results of obstetrical brachial plexus injury were studied. The medical records of 10 females and 9 males (range 16-59 years, mean 27.8) who responded to a questionnaire were reviewed. According to the responses, they all had been leading normal lives, despite various degrees of impairment.

Adolescent↗
PubMed1991

Growth disturbance of the proximal part of the femur after treatment for congenital dislocation of the hip.

The radiographs of ninety patients in whom treatment of unilateral congenital dislocation of the hip was complicated by disturbance of growth of the proximal part of the femur were studied retrospectively. All patients were followed until closure of the affected proximal femoral physis. We divided the patients into three groups, according to the degree of vascular insufficiency: patients who had mild vascular insufficiency of the hip, which had little effect on growth; those who had moderate vascular insufficiency, which produces partial arrest of growth; and those who had severe vascular insufficiency, which causes complete arrest of growth. Good correlation was found between the initial degree of vascular insufficiency and the radiographic results at the most recent follow-up. The radiographic signs that were used to predict the extent of physeal involvement were a crescent-shaped epiphysis, medial bowing of the femoral neck (a shorter and more concave curve between the lesser trochanter and the proximal femoral metaphysis [the lateral portion of the Shenton line]), lateral tilting of the capital epiphysis, and premature physeal closure. Signs that were diagnostic of existing physeal involvement were elevation of the greater trochanter and shortening of the affected extremity. The presence and severity of these signs correlated well with the degree of vascular insufficiency. Medial bowing was the most reliable prognostic factor for the determination of the fate of the hip joint at maturity.

Adolescent↗
PubMed1990

Heterotopic ossification in central nervous system-injured patients following closed nailing of femoral fractures.

Heterotopic ossification at the site of insertion of an intramedullary nail was observed in five central nervous system-injured patients with femoral fractures. Three of these patients experienced a reduction in the range of motion of the ipsilateral hip joint, which in two improved with physical therapy. Patients with central nervous system injury who have closed interlocking intramedullary nail fixation may be at increased risk of heterotopic ossification at the surgical site.

Adolescent↗
PubMed1989

Multiple osteoid osteomas of the fifth lumbar vertebra. A case report.

Two distinct osteoid osteomas occurred near each other in the same lumbar vertebra of an 18-year-old man. The tumors exhibited different levels of maturation in roentgenographic appearance and scintigraphic activity. Two surgical procedures were required to resect the lesions.

Adolescent↗
PubMed1988

Treatment of patellofemoral instability in Down's syndrome.

In a retrospective review, 16 patients with Down's syndrome with the chief complaint of patellofemoral joint dislocations or subluxations were studied. Twenty-six dislocatable or dislocated patellae were seen in these 16 patients. The degree of patellofemoral instability was not correlated with either the ambulatory status or the form of treatment (operative/nonoperative). An increasing degree of patellofemoral instability was correlated strongly with the presence of deformities. Nonoperative treatment either maintained or improved the ambulatory status in 67% of these knees with either fair or good ambulation, whereas 80% of the knees with poor ambulation did not improve. Operative treatment resulted in good ambulatory ability in 86% of the knees with fair or poor preoperative ambulatory status, but did not effectively correct deformities that subsequently resulted in degenerative arthritis.

Adolescent↗
PubMed1988

Pediatric update #4. Familial congenital short femur: intrauterine detection and follow-up by ultrasound. A case report.

A case of familial congenital simple short femur is described in an 8-year-old brother and an 8-month-old sister, associated with other congenital defects in the lower extremities. In the case of the sister, early intrauterine detection and follow-up were possible. This early intrauterine detection by means of ultrasound may enable us to calculate the ratio between the length of the short femur and that of the normal one and to plan for corrective surgery at a later date.

Child↗
PubMed1987

Evaluation of a uniform operative technique to treat syndactyly.

Twenty-two patients with upper extremity syndactyly (58 webs) have been treated in the last decade (1976 to 1985) by one hand surgeon using one technique. Nineteen patients had syndrome complexes or other associated anomalies that made treatment more difficult. The postoperative follow-up averaged 4 years. The rate of complications that necessitated repeat operations (5% of the treated webs) was relatively low in comparison with those in other series. We attribute this to better timing of the procedure and progressive experience gained by one surgeon using the same procedure.

Child↗
PubMed1987

Double fingernails on the small fingers.

This report describes the unusual presence of dorsal skin and a fingernail on the palmar surface of both small fingers, with a normal nail on the dorsal surface. This child has a normal karyotype. There has been one previous report in the literature of a similar anomaly associated with a chromosome 6 abnormality.

Chromosomes, Human, Pair 6↗