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At least 919 records · Page 51Linked to original sources
PubMed1977

Epidemiologic pathology of gastric ulcer and gastric carcinoma among Japanese in Hawaii.

This case-control study of Hawaiian Japanese indicated that gastric ulcer in the proximal portion of the pyloric antrum has features similar to those of gastric cancer. Such ulcers occurred at sites most frequently and most severely affected by intestinal metaplasia, although metaplasia tended to be more extensive with cancer than with ulcer. Metaplastic mucosa was more vulnerable to the action of pepsin and acid than was normal mucosa. The risk of ulceration would rise when a sufficiently lagrge area of the antrum was intestinalized and when the corpus continued to produce significant quantities of these substances. This study showed a strong association between salt intake, ulcer, and metaplasia. Significant but less dramatic associations were demonstrated between metaplasia and the use of traditional Japanese foods and smoking. The question was raised as to whether salt promotes ulceration or whether it potentiates the action of a mutagen that causes intestinal metaplasia.

ABO Blood-Group System↗
PubMed2003

The genotoxicity of tamoxifen: extent and consequences, Kona, Hawaii, January 23, 2003.

The current recommended adjuvant therapy for oestrogen receptor-positive breast cancer typically includes 20 mg/day tamoxifen (Nolvadex) for 5 years post-operatively. This regimen has been found to reduce the incidence of contralateral breast cancer in breast cancer survivors by 47%, and, when used prophylactically, to reduce new breast cancers in high risk women by 49%. However, epidemiological evidence links tamoxifen therapy to increases in endometrial cancer and thromboembolic events in breast cancer patients. In addition, in tamoxifen-exposed rats dose-related increases in hepatic tamoxifen-DNA adduct formation and liver tumour incidence occur through a classic genotoxic mechanism. In women, endometrial cancers may be the result of genotoxicity, hormonally induced signal transduction and/or other mechanisms. If genotoxicity is relevant to tamoxifen-induced endometrial cancer it may be possible to identify women at risk through detection of tamoxifen-DNA adducts. The aim of this one day conference was to examine the most recent evidence for the occurrence of tamoxifen-induced genotoxicity in women receiving tamoxifen therapy. There were significant experimental differences, as some participants presented evidence for a genotoxic mechanism, while others reported finding insufficient evidence to support a genotoxic mechanism. The discussion was wide ranging and the outcome underscored the need for further investigations, access to more human tissue samples, shared tamoxifen-DNA standards for methodological comparisons and inter-laboratory exchange of human tissue samples.

Animals↗
PubMed1978

Sinking pre-beta lipoprotein and coronary heart disease in Japanese-American men in Hawaii.

A "sinking" pre-beta lipoprotein was sought in a probability sample of 1854, 50--72-year-old men of Japanese ancestry in Honolulu by ultracentrifugation of plasma and electrophoresis of the bottom fraction (density greater than 1.006) in agarose. A definite electrophoretic band was found in 5.6% of the men and a trace band was found in 4.6% of them. The frequency of such a band increased with age and decreased with adiposity. The relative risk for coronary heart disease, based on prevalence cases was found to be 1.7 in men with a definite band, and 1.4 in those with a trace band, when compared to men without. This association could not be explained by the higher low density lipoprotein levels in men with trace or definite bands. These data are consistent with previous reports suggesting that the Lp antigen (for which a sinking pre-beta lipoprotein is probably an insensitive marker) is associated with coronary disease.

Age Factors↗
PubMed1994

The Queen's Medical Center Honolulu, Hawaii.

The Queen's Medical Center created and almost fully realized a vision of professional nursing practice. This vision was mission-driven and philosophically oriented in that our Hawaiian heritage and commitment to a patient-centered focus dictated the direction taken. Utilizing the nursing process, we listened to our patients in identifying the nursing model to best meet their needs: primary nursing. In order to achieve that, the nurse at the bedside had to be empowered to make decisions directly impacting patient care. We further committed to treating the whole patient and considering complementary therapies. We have established an evaluation baseline and are committed to a process that will carry us into the year 2000.

Cultural Characteristics↗
PubMed1988

Salmonella infections in infants in Hawaii.

In a 10-year cohort of 117 infants hospitalized in Honolulu with Salmonella infections, there were 12 infants with bacteremia or complications (simple bacteremia, 7; bacteremia with probably unrelated concurrent infection, 2; serious complications, 3). The rate of serious complications in this cohort was low and occurred only in infants with previous chronic illness or clinically obvious extraintestinal infection at the time of presentation. Antibiotics were not shown to be of benefit in reducing the frequency of complications; however, the sample size was too small to make definitive conclusions. These data do not support the contention that infants with Salmonella gastroenteritis are at increased risk of complications and should therefore be treated with antibiotics. Rather, the same clinical risk factors for sepsis that apply to all infants also apply to infants with Salmonella gastroenteritis and the decision to begin antibiotic treatment should be based on similar clinical information.

Anti-Bacterial Agents↗