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Biomedical subjects

S Borden

Publications and source records attributed to S Borden.

At least 19 recordsLinked to original sources
PubMed1995

The economic value of contraception: a comparison of 15 methods.

OBJECTIVES: The purpose of the study was to determine the clinical and economic impact of alternative contraceptive methods. METHODS: Direct medical costs (method use, side effects, and unintended pregnancies) associated with 15 contraceptive methods were modeled from the perspectives of a private payer and a publicly funded program. Cost data were drawn from a national claims database and MediCal. The main outcome measures included 1-year and 5-year costs and number of pregnancies avoided compared with use of no contraceptive method. RESULTS: All 15 contraceptives were more effective and less costly than no method. Over 5 years, the copper-T IUD, vasectomy, the contraceptive implant, and the injectable contraceptive were the most cost-effective, saving $14,122, $13,899, $13,813, and $13,373, respectively, and preventing approximately the same number of pregnancies (4.2) per person. Because of their high failure rates, barrier methods, spermicides, withdrawal, and periodic abstinence were costly but still saved from $8933 to $12,239 over 5 years. Oral contraceptives fell between these groups, costing $1784 over 5 years, saving $12,879, and preventing 4.1 pregnancies. CONCLUSIONS: Contraceptives save health care resources by preventing unintended pregnancies. Up-front acquisition costs are inaccurate predictors of the total economic costs of competing contraceptive methods.

Contraception↗
PubMed1994

Hospital integrated lanes training: brigade-directed implementation of a medical lanes training program during annual training.

The "lanes" concept of training was integrated into a medical site support mission of the 804th Medical Brigade, U.S. Army Reserve, during Annual Training, 1993 at Fort Drum, New York. This training, termed Hospital Integrated Lanes Training (HILT), included STX, FTX, patient play, and full use of Deployable Medical Systems equipment. The medical care of over 33,000 personnel participating in tactical annual training exercises was not interrupted during any concurrent phase of lanes training. Brigade operations planners developed an array of medical exercises that involved both moulaged and paper patient play. These exercises began prior to hospital set-up and continued for 24 hours a day throughout the tactical exercise. Injuries likely to be encountered during combat operations were inserted into the play singly and under a mass-casualty scenario. The standard of care for all injuries was determined with the Army Medical Department Center and School guidance. Prior coordination of brigade medical assets with external air and ground ambulance organizations broadened the scope of the training and facilitated effective use of command and control, communications, and equipment over a wide geographic area. Medical records were collected and evaluated at the conclusion of all exercises. After-action reviews were conducted by all medical units to assist in the planning of future HILT exercises. The HILT concept is a valuable tool for the complex training requirements of field medical units organized under medical Force 2000. The concept of integrated lanes training allows for the development and continuous improvement of individual and sectional skills for medical personnel and should be applied within all echelons of care.

Hospitals, Military↗
PubMed1988

Plastic bowing of the ribs in children.

Four cases of plastic bowing of the ribs are presented. In three patients with Werdnig-Hoffman disease, plastic curvatures were associated with chronic pneumonia and atelectasis. We postulate that intrapulmonary retractive forces can deform ribs thinned by muscular atrophy. In turn, thoracic collapse can perpetuate lobar and segmental atelectasis. In one case of osteogenesis imperfecta without pneumonia, we believe normal muscle forces bent ribs weakened by deficiency of normal cortical architecture.

Adolescent↗
PubMed1986

Large-airway collapse due to acquired tracheobronchomalacia in infancy.

Seven infants with wheezing and cyanotic spells were diagnosed as having tracheobronchomalacia by bronchoscopy or fluoroscopy. These studies demonstrated narrowing of the central airways by 75% or more on exhalation. Five patients were premature infants who had been ventilated for hyaline membrane disease. The mean time from onset of symptoms to diagnosis was six months. Determination of the optimal positive end-expiratory pressure (PEEP) during fluoroscopy facilitated subsequent management. Six of the seven patients required PEEP of 8 to 18 cm H2O for at least three months, and five of the seven still require mechanical ventilation. All patients improved, with decreased cyanotic spells and a reduced requirement for ventilatory support. Tracheostomy without PEEP did not appear to be helpful. Tracheobronchomalacia may be more frequent than usually appreciated; the treatment of choice appears to be long-term PEEP.

Airway Obstruction↗
PubMed1984

The dissection sign of nonreducible ileocolic intussusception.

A retrospective study of 90 cases of ileocolic intussusception seen over a 5-year period was undertaken to identify features of failed hydrostatic reductions. A new, reliable sign of nonreducible intussusception was found: the dissection sign. Of the 90 cases, 23 demonstrated barium dissecting between the intussusceptum and intussuscipiens ; of those, nine had necrotic bowel found at surgery. All of the 23 cases with dissection failed hydrostatic reduction. Of the 23 patients, 22 were below age 2 years. None of those reduced by barium enema had dissection. The dissection sign on barium enema for ileocolic intussusception is an indication to discontinue hydrostatic reduction and to institute surgical treatment, especially in patients under age 2 years.

Barium Sulfate↗
PubMed1983

Arthropathy of Lowe's (oculocerebrorenal) syndrome.

We describe 3 children with Lowe's syndrome who developed joint manifestations--a previously rarely recognized feature. Two children had swelling and contractures of large and small joints; the third child had a small joint effusion and hypermobile joints. None of them had antinuclear antibody or rheumatoid factor; synovial effusions and biopsies showed no evidence of inflammatory cell infiltration. By light microscopy, profuse fibrous tissue and sparse synovial lining cells were found. Electron microscopy of the synovium of 2 patients showed large amounts of normal appearing collagen, unidentified thin fibrils, and focal profuse granular and fibrillar basement membrane-like material around small vessels, similar to findings described in other tissues in this syndrome. Whether these clinical and pathologic findings are results of the still incompletely understood basic metabolic defect or not, they should be recognized as features that may be seen in patients with Lowe's syndrome.

Adolescent↗
PubMed1982

Extraskeletal osteogenic sarcoma after treatment for Wilms' tumor.

A large proportion of children with Wilms' tumor will become long-term disease-free survivors. A small number of these children are at risk of developing second malignant neoplasms. There have been no previous reports of osteogenic sarcoma of the chest wall following treatment of Wilms' tumor. Our patient was age seven years when he received surgery, radiation therapy and chemotherapy for Wilms' tumor, eight years when he received radiation and chemotherapy for pulmonary metastases of Wilms' tumor, and 13 years when he developed osteogenic sarcoma of the chest wall.

Child↗
PubMed1982

Sternal cupping: a new finding in childhood sickle cell anemia.

Discrete cupping of sternal segments has not been reported previously in children with sickle cell anemia (SCA). In a retrospective study, this phenomenon was observed in 8% of children with homozygous SCA and in 10.6% of children with sickle cell-hemoglobin C disease, and thus should be included in the spectrum of osseous abnormalities associated with this disease. In this review, sternal cupping was a temporary phenomenon of little clinical significance. However, radiologists should be aware of this finding so that it is not mistaken for a more serious pathologic process in the sternum.

Adolescent↗
PubMed1981

Radiographic features of gastrointestinal graft-vs.-host disease.

Five patients underwent bone-marrow transplantation, and graft-vs.-host disease (GVHD) developed. Radiographic features are described. Three patients showed an abrupt transition at the jejuno-ileal junction from normal small bowel to ileal loops which were narrowed, tubular, separated, edematous, and, generally, without mucosal markings. The transit time for the contrast material to reach the anus from the mouth was 20 to 25 minutes. A fourth patient showed mucosal ulcerations of the transverse and descending colon. The fifth patient with acute, ultimately fatal GVHD had an edematous duodenum and colon, in addition to an edematous, tubular jejunum and ileum without mucosal markings. Transit time through the intestines for the contrast material was rapid.

Adolescent↗
PubMed1981

Delayed appearance of right diaphragmatic hernia associated with group B streptococcal infection in newborns.

Right diaphragmatic hernia should be considered when an infant with Group B streptococcal infection shows deterioration. Although the diaphragm appears normal at first, increased density is seen in the right lower lobe shortly thereafter, indicating pneumonia and/or irregular aeration. Pleural effusion may develop over the next few days. Characteristically, the bowel gas on the right and the liver shadow gradually become elevated and the heart and mediastinal structures shift into the left hemithorax; loops of bowel may be seen in the right hemithorax as well. Static plain views should confirm hernia or eventration, necessitating immediate surgery.

Female↗
PubMed1980

Falsely normal radionuclide scans for osteomyelitis.

Three children are described with osteomyelitis confirmed by roentgenogram, blood culture, bone culture, and/or histologic findings. None had an abnormal technetium scintigram. Despite the lack of falsely normal bone scans for osteomyelitis reported in the literature, our cases demonstrate the importance of instituting antibiotic therapy on the basis of clinical suspicion since no single nonsurgical procedure can be relied on to make a diagnosis of osteomyelitis.

Bone and Bones↗
PubMed1980

Intussusception and total body opacification.

Because of atypical clinical presentations, two children with intussusception had intravenous urography as their initial examination of following plan films. In both patients the intussusception was outlined by an opaque rim due to the total body opacification effect on the bowel wall. One patient had a target-like blush on following films which strongly suggested the correct diagnosis. The authors do not advocate intravenous urography to diagnosis intussusception, but if this study is performed because of atypical clinical findings, the radiographic sign should be recognized and lead to a barium enema.

Female↗
PubMed1980

Early diagnosis of juvenile renal osteodystrophy.

Renal osteodystrophy has assumed growing importance as a major and frequently disabling complication of chronic renal failure in children since the advent of successful hemodialysis and renal transplantation programs. The frequency and severity of renal osteodystrophy appears greatest in younger children with congenital diseases of the kidney and urinary tract, who experience long intervals of chronic renal failure prior to reaching end-stage. Twenty-nine children with varying degrees of chronic renal failure were studied to learn: (1) how early renal osteodystrophy can be diagnosed; and (2) how the various clinical, biochemical, and hormonal abnormalities correlate with abnormal bone histomorphometry as determined from percutaneous transilial bone biopsies. Results showed: (1) marked-to-moderate reductions in GFR (mean = 35 ml/minute/1.73 m2; range 11 to 65 ml/minute/1.73 m2); (2) elevations of serum PTH concentrations in all patients with a GFR < 45 ml/minute/1.73 m2; (3) abnormal bone histomorphometry in all patients with elevated PTH concentrations; (4) "early" renal osteodystrophy (elevated PTH concentrations and abnormal bone histomorphometry but normal serum chemistry values and radiographs) in one quarter of the patients; (5) poor correlations of serum chemistry values and radiographs with bone histomorphometry; and (6) a wide range of histologic abnormalities including predominant osteomalacia (n = 7), predominant hyperparathyroidism (n = 6), or a mixed picture (n = 11).

Adolescent↗