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Biomedical subjects

R A Kane

Publications and source records attributed to R A Kane.

157 records · Page 9Linked to original sources
PubMedDate not supplied

Pseudoaneurysm of the common femoral vein as a late complication of right heart catheterization.

Complications following venous punctures are unusual. We describe a case of a false common femoral vein aneurysm following right heart catheterization in a patient with systemic venous hypertension due to tricuspid regurgitation. The initial interpretation of the Doppler ultrasound study lead to a digital subtraction femoral arteriogram which was normal. Magnetic resonance venography demonstrated a femoral venous pseudoaneurysm.

Aneurysm, False↗
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Primary biliary tract malignant melanoma.

Primary melanoma is rarely diagnosed in the biliary tract; only three cases of primary melanoma of the bile ducts have been reported previously. The skin and squamous mucous membranes are the most common primary sites. We report two patients who represent the fourth and fifth reported cases of primary bile duct melanoma.

Adult↗
PubMedDate not supplied

Placement of a PTFE-covered Wallstent through a 12 Fr sheath for the exclusion of a common iliac artery aneurysm.

We describe a technique for transfemoral endovascular exclusion of an iliac artery aneurysm with a reconstrained polytetrafluoroethylene (PTFE)-covered Wallstent inserted through a 12 Fr sheath after right femoral artery cutdown. The procedure was successfully performed, with evidence of complete aneurysm exclusion at 4-month follow-up. This technique reduces the caliber of the introducer needed to deploy the covered Wallstent. It should be noted that because of a leak, an additional covered Palmaz stent was also deployed.

Aneurysm↗
PubMedDate not supplied

Staff training and turnover in Alzheimer special care units: comparisons with non-special care units.

Nursing facility staff may not be properly trained to deal with behavioral symptoms of Alzheimer's disease. We collected data about specialized dementia training and turnover among licensed nurses and nursing assistants in 400 nursing units in 124 Minnesota nursing facilities. Staff training may affect the retention of paraprofessional and professional nursing staff. A diversity of training methods, including workshops or seminars, films or videos, outside consultants, reading materials, training manuals, in-house experts, role playing techniques, or an orientation program for new staff, might be used to develop more effective training programs and reduce rates of nursing assistant turnover.

Aged↗
PubMedDate not supplied

Natural infection with schistosomes of the Schistosoma haematobium group in a dog in Zambia.

Post-mortem examination of an adult male Jack Russell dog from Zambia revealed that it was heavily infected with schistosomes. The dog had been admitted, with a history of retching, 4 days before its death. At necropsy, the liver was found to be enlarged, with multiple pin-point yellowish-white foci scattered diffusely throughout the organ. Multiple pin-point recent and old haemorrhages were seen on the mucosal surface of the gastrointestinal tract, particularly in the stomach and proximal duodenum. Large numbers of schistosome worm pairs and eggs were found in all mesenteric, gastric and hepatic veins. Histological examination of the intestines, mesenteric lymph nodes, liver, spleen, pancreas, stomach and lungs revealed numerous strongly fibrotic, encapsulated, epithelioid-giant cell granulomata containing dead, degenerating and viable eggs. A few examples of the Splendore-Hoeppli phenomenon were also detected. The eggs collected at necropsy had a terminal spine and an average length and breadth of 187.6+/-14.1 microm and 57. 3+/-4.1 microm, respectively. DNA analysis of female worms indicated that the schistosomes were either Schistosoma haematobium or a hybrid of Schistosoma mattheei and S. haematobium.

Animals↗
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Pitfalls and sources of error in staging rectal cancer with endorectal us.

Endorectal ultrasound (US) is an accurate technique for local staging of rectal cancer. Because the choice of surgery depends on the level of tumor invasion and lymph node involvement, the surgeon relies largely on endorectal US findings when planning treatment. However, staging inaccuracies can occur due to over or underestimation of tumor depth, misinterpretation of lymph node involvement, and operator inexperience. Technical pitfalls in US of the rectal wall include proximity of the lesion to the anal verge, improper balloon inflation, a nonperpendicular imaging plane, shadowing artifacts due to air or stool, reverberation artifacts, refraction artifacts, and a transducer gain setting that is too high. Sources of error in tumor staging with endorectal US include interpretation differences, endosonologist bias, tumor location, tumor stenosis, peritumoral inflammation, postbiopsy and postsurgical changes, post irradiation changes, hemorrhage, and pedunculated or villous tumors. Node size and appearance are not reliable indicators of lymph node involvement. Awareness of these sources of error will improve the technical quality of endorectal US studies and allow more accurate tumor staging.

Artifacts↗
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Minimally invasive treatment of malignant hepatic tumors: at the threshold of a major breakthrough.

Six existing minimally invasive techniques for the treatment of primary and secondary malignant hepatic tumors--radio-frequency ablation, microwave ablation, laser ablation, cryoablation, ethanol ablation, and chemoembolization--are reviewed and debated by noted authorities from six institutions from around the world. All of the authors currently believe that surgery remains the treatment of choice for patients with resectable hepatic tumors. However, the clinical results of each of the minimally invasive techniques presented have exceeded those obtained with conventional chemotherapy or radiation therapy. Thus, for nonsurgical patients, these techniques are becoming standard independent or adjuvant therapies. In addition, with continued improvement in technology and increasing clinical experience, one or more of these minimally invasive techniques may soon challenge surgical resection as the treatment of choice for patients with limited hepatic tumor.

Antineoplastic Agents↗
PubMedDate not supplied

Interprofessional education and social work: a survey.

In 1974, the author surveyed all graduate schools of social work to determine how team concepts were being introduced to master's degree level students. A 76% response rate was achieved; 31% of the schools offered joint courses with other professional schools, 17% offered courses on teamwork itself within the school of social work, 10% had virtually no content on interprofessional collaboration, and the majority attempted to introduce this content through the practicum and the overall curriculum, especially health courses. These modalities are further described along with advantages and disadvantages of various approaches.

Curriculum↗
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What older people want from long-term care, and how they can get it.

Seniors' long-term care preferences resemble those of younger persons with disabilities, but the two groups are treated differently. Younger persons with disabilities pursue the goal of social integration, whereas safety and efficiency receive undue emphasis and ageist differences prevail in the way older persons are served. Among the changes needed to help older consumers get what they want are empowering older persons and their agents to make better decisions, including providing them with more structure and better consumer information; revising attitudes toward safety and protection; and developing more vigorous advocacy by and for seniors.

Aged↗