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Biomedical subjects

S Owens

Publications and source records attributed to S Owens.

12 recordsLinked to original sources
PubMed1991

Williams' vulvovaginoplasty after supralevator total pelvic exenteration.

Seven patients had delayed Williams' vulvovaginoplasty after supralevator total pelvic exenteration. Of the three patients who died of carcinoma of the cervix (at 2, 5, and 15 months after vulvovaginoplasty), the first died before having a chance to attempt intercourse, but the other two had reported intercourse on at least two occasions after the reconstruction. One of the patients described the experiences as neither pleasant nor unpleasant but stated that her husband seemed satisfied. The other patient described the experience as satisfactory to both herself and her husband. The remaining four patients are alive with no evidence of recurrent disease at 28, 42, 56, and 106 months after operation. Two of these patients have reported entirely satisfactory sexual relations approximating pre-exenteration frequency, but the remaining two have not had sexual relations since surgery. Both give the main reason for this as lack of opportunity. The Williams' vulvovaginoplasty appears to be a reasonable alternative for vaginal reconstruction in patients who will have and especially who have had exenteration. To improve results, other methods of vaginal reconstruction should continue to be evaluated.

Adult↗
PubMed1991

Laparoscopic treatment of painful perihepatic adhesions in Fitz-Hugh-Curtis syndrome.

This report illustrates a case of Fitz-Hugh-Curtis syndrome associated with pelvic inflammatory disease in which the clinical symptom of right upper quadrant pain was severe and persistent despite appropriate antibiotic therapy. Because of the atypical course, an extensive work-up was performed to rule out other possible etiologies for the pain. In this context, a laparoscopy was performed and identified dense adhesions between the liver and the anterior abdominal wall. These adhesions were safely and successfully lysed using a KTP/532 laser through a second puncture site. After surgery the pain was completely resolved, with no further recurrence after 6 months of follow-up.

Abdominal Pain↗
PubMed1990

Locomotion, active choice, and spatial memory in children.

In two studies, children between 4 and 6 years old were tested on a radial search task requiring nonredundant sampling of eight identically labeled positions in a room. In the training phase (5 days), children made free choices by walking between positions, were passively transported in a pushchair, actively directed their own route from a pushchair, or were led on foot to positions selected by the experimenter. When tested (whether walking or directing while seated in a pushchair), children who had either walked independently or directed the experimenter while being pushed performed competently; those led on foot without spatial choice performed almost as well. Only the children who had neither independent locomotor experience nor autonomous choice performed very poorly. The results are related to neurobiological models of spatial cognition and may have implications for the transportation of children with mobility problems.

Child, Preschool↗
PubMed1989

Enhancement of primary and secondary immune responses by interferon-gamma.

We have investigated the effects of interferon-gamma (IFN-gamma) administered with "G" glycoprotein of vesicular stomatitis virus (VSV), on the neutralizing antibody response. Treatment of mice or cattle with recombinant DNA-derived IFN-gamma at the time of primary immunization with "G" glycoprotein enhanced the secondary virus-neutralizing antibody response that followed a booster administration of the same antigen without IFN-gamma treatment. Enhancement was statistically significant, and occurred at relatively low doses of IFN-gamma in the absence of any additional adjuvants. Cattle treated with IFN-gamma at the time of primary immunization were also more resistant to VSV challenge than those immunized without IFN-gamma treatment. Such treatment in conjunction with primary immunization may therefore provide a practical means of enhancing protection from viral challenge without inflammatory adjuvants or boosters.

Adjuvants, Immunologic↗
PubMed1989

Ovarian management at the time of radical hysterectomy for cancer of the cervix.

Ovarian management at the time of radical hysterectomy for cervical cancer was reviewed retrospectively over a 7-year period. All patients had early-stage cancer except three who had stage IIB disease. Approximately 80% of patients had squamous cancer and 20% adenocarcinoma or adenosquamous carcinoma. The mean age was 44, and 24% of patients were 35 or younger. Ninety-nine patients had their ovaries removed. None of the ovaries contained metastatic disease including 22 patients with adenocarcinoma or adenosquamous carcinoma. Of the 17 patients with retained ovaries 14 had transposition into the paracolic gutters. Only one of the 14 patients with transposed ovaries developed symptoms of ovarian failure. No patients with retained ovaries developed metastatic disease or required reoperation secondary to new ovarian pathology. It is our opinion that normal ovaries can be preserved in young women at the time of radical hysterectomy for early cervical cancer regardless of histologic type.

Adenocarcinoma↗
PubMed1989

Epidemiology and diagnosis of acute conjunctivitis at an inner-city hospital.

Chlamydia has been found to be the cause of a high percentage of cases of neonatal and chronic conjunctivitis in an inner-city population. To assess the etiology and epidemiology of acute conjunctivitis in this population, conjunctival scrapings were sampled from 45 patients presenting to an ocular emergency room; and replicate chlamydial, viral, and bacterial cultures and cytology tests were done. No cases of chlamydial conjunctivitis were diagnosed, although a viral etiology was established in 36% of the cases and a bacterial etiology in 40%. Twenty-four percent of the cases were not diagnosed. The authors recommend limiting the initial laboratory workup of patients with acute conjunctivitis to obtaining conjunctival smears for Gram and Giemsa staining. Chlamydial direct immunofluorescent monoclonal antibody (DFA) should be done if the patient is sexually active. Hyperacute conjunctivitis or acute conjunctivitis refractory to treatment mandates a more complete set of laboratory tests.

Acute Disease↗
PubMed1989

The kinetics of human granulopoiesis following treatment with granulocyte colony-stimulating factor in vivo.

Cell proliferation in the bone marrow and blood of two patients with metastatic breast cancer who were treated with granulocyte colony-stimulating factor was studied by using [3H]thymidine labeling and autoradiography. Additionally, the fate of neutrophils labeled with 99mTc-hexamethylpropyleneamineoxime was observed following granulocyte colony-stimulating factor infusion. Proliferation increased in all stages of granulopoiesis, but a significant amount of the increased production stemmed from a greater input to the myeloblast compartment. Changes in the myelogram combined with the increased labeling indicated a faster throughput of cells, which resulted in labeled cells appearing in the circulation within 1 day compared to the normal 4 or 5 days. The 99mTc studies demonstrated no sequestration of circulating neutrophils by spleen, lungs, or liver. The half-life of the circulating neutrophils was not significantly changed, and calculations from the flow of labeled cells to the peripheral blood indicated an increase of 3.2 extra amplification divisions during neutrophil development. The dramatic neutrophil response to granulocyte colony-stimulating factor can therefore be accommodated by a relatively modest increase in granulopoietic activity.

Adult↗
PubMed1989

Ocular melanoma.

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Adult↗
PubMed1988

Protection of cattle against rinderpest with vaccinia virus recombinants expressing the HA or F gene.

Rinderpest is a highly contagious ruminant viral disease manifested by a rapid course and greater than 90% mortality. Infectious vaccinia virus recombinants were constructed that express either the hemagglutinin or the fusion gene of rinderpest virus. All cattle vaccinated with either recombinant or with the combined recombinants produced neutralizing antibodies against rinderpest virus and were protected against the disease when challenged with more than 1000 times the lethal dose of the virus.

Animals↗
PubMed1988

High levels of interferon in synovial fluid of retrovirus-infected goats.

A high level of interferon (IFN) was found in the synovial fluid of goats with naturally acquired caprine arthritis-encephalitis (CAE), a disease caused by caprine arthritis-encephalitis virus (CAEV), a nononcogenic retrovirus of the lentivirus group. Intraarticular injection of CAEV or control inoculum in the joints of affected goats caused increased amounts of IFN production in synovial fluid.

Animals↗