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PubMed1999

Factors associated with weight gain in women after diagnosis of breast cancer. Women's Healthy Eating and Living Study Group.

OBJECTIVE: To identify the factors associated with weight gain after diagnosis of breast cancer in a heterogeneous population of women. DESIGN: Descriptive cross-sectional study. SUBJECTS: 1,116 patients who had been diagnosed with stage I, stage II, or stage IIIA primary, operable breast cancer within the previous 4 years. Patients were recruited during enrollment into a diet intervention trial to reduce risk for breast cancer recurrence. Analysis Demographic data, weight history, and physical activity information obtained by questionnaire and medical information obtained by chart review; dietary assessment based on four 24-hour dietary recalls collected by telephone. Associations between weight change after the diagnosis of breast cancer and prediction variables were examined using univariate and multiple linear regression analyses. RESULTS: Overall, 60% of the subjects reported weight gain, 26% reported weight loss, and 14% reported no change in weight after the diagnosis of breast cancer. The overall mean weight change was a gain of 2.7 kg (6 lb). Factors positively and independently associated with weight gain were time since diagnosis of breast cancer, adjuvant chemotherapy, African-American ethnicity, current energy intake, and postmenopausal status at time of study entry. Factors inversely and independently associated with weight gain were prediagnosis body mass index, age at diagnosis, education level, and exercise index score. APPLICATIONS: Higher energy intake and lower level of physical activity are independently associated with increased risk for weight gain after the diagnosis of breast cancer. Strategies to modify these behaviors are likely to influence the long-term pattern of weight change.

Adult↗

PubMed2001

Reduction in fat intake is not associated with weight loss in most women after breast cancer diagnosis: evidence from a randomized controlled trial.

BACKGROUND: A reduction in dietary fat intake has been suggested as a method to promote weight loss in women at risk for breast cancer recurrence. METHODS: Weight change in response to diet intervention was examined in 1010 women who had completed treatment for Stage I, Stage II, or Stage IIIA (American Joint Committee on Cancer staging system) primary operable breast cancer during their first year of participation in a randomized, controlled, diet intervention trial to reduce risk of recurrence. Diet intervention was performed by telephone counseling and promoted a low fat diet that also was high in fiber, vegetables, and fruit. The comparison group was provided with general dietary guidelines to reduce disease risk. Multiple linear regression models were used to examine the relations among demographic and personal characteristics, changes in diet composition and exercise level, and change in body weight or body mass index. RESULTS: The average weight change in the 1-year period was 0.04 kg for the intervention group and 0.46 kg for the comparison group. For the total group, body weight was stable (+/- 5% baseline weight) for 743 women (74%), whereas 114 (11%) lost weight, and 153 (15%) gained weight. These distributions were similar in the two study groups inclusive of all study participants and for only those women with a baseline body mass index of > or = 25 kg/m2. Initial body mass index and changes in fiber and vegetable intakes, but not change in percent of energy obtained from fat, were associated independently with change in weight or body mass index. CONCLUSIONS: For most women at risk for breast cancer recurrence, diet intervention to promote a reduction in fat intake was not associated with significant weight loss. Testing the effect of a substantial change in diet composition on risk for breast cancer recurrence is unlikely to be confounded by weight loss in subjects who were the recipients of intensive intervention efforts.

Adult↗

PubMed1990

Evidence linking programmed cell death in the blastocyst to polyamine oxidation.

Programmed cell death occurs in the inner cell mass during blastulation concomitant with the loss of its trophectodermal potential, and blastocele fluid kills malignant inner cell mass cells with trophectodermal potential (ECa 247) but spares those with embryonic potential (P19). A previous study had shown that blastocele-like fluid from embryoid bodies of the teratocarcinoma C44 contains a low-molecular-weight cytotoxin that exhibits the same target-cell selectivity as normal blastocele fluid. The current paper shows that the preferential killing of cells with trophectodermal potential is caused by hydrogen peroxide generated during the oxidation of polyamines in the cyst fluid by amine oxidases. The greater resistance of cells with embryonic potential to hydrogen peroxide is due to glutathione-dependent mechanisms. These data lead to the conclusion that an amine oxidase in the blastocyst oxidizes polyamines in blastocele fluid, generating hydrogen peroxide which causes programmed cell death of normal and malignant cells with trophectodermal potential.

Animals↗

PubMedDate not supplied

Body mass index predicts the incidence of radiation pneumonitis in breast cancer patients.

In patients receiving breast radiotherapy, the risk of radiation pneumonitis has been associated with the volume of irradiated lung, and concomitant methotrexate, paclitaxel, and tamoxifen therapy. Many of the studies of radiation pneumonitis are based on estimates of pulmonary risk using central lung distance that is calculated using two-dimensional techniques. With the treatment of internal mammary nodes and three-dimensional treatment planning for breast cancer becoming increasingly more common, there is a need to further consider the impact of dose-volume metrics in assessing radiation pneumonitis risk. We herein present a case control study assessing the impact of clinical and dose-volume metrics on the development of radiation pneumonitis in patients receiving sequential chemotherapy and local-regional radiotherapy.

Adult↗

PubMed1997

Dental implications of oral piercing.

Piercing of the tongue and perioral regions is becoming an increasingly popular expression of body art. Dentists will be seeing more patients with these piercings and should be familiar with the potential associated oral and dental problems. This paper will discuss the lay techniques of intraoral piercing and related problems and complications derived by a questionnaire left at piercing studios in San Francisco and by clinical examination of selected patients. The data reported are a result of a review of 63 patients. Five cases illustrating the common types of oral and perioral piercing are presented.

Adolescent↗

PubMedDate not supplied

[Analysis of possible mechanisms of orthonectid emergence from their hosts].

In the present study authors claim that the adult orthonectids can not move through host tissues by themselves. In various species of these enigmatic parasites there are at least two different mechanisms of emission of males and females from the host body. Intoshia linei, the orthonectid from Lineus ruber (Heteronemertini), and Intoshia variabili, the parasite of a flatworm Macrorhynchus crocea, realize the first way of emission. The plasmodium of these species forms tube-like outgrowths, which pierce the host tissues reaching the host body surface. The cytoplasm structure of these outgrowths differs from the cytoplasm of the central mass of plasmodium. Small mitochondria with electron dense matrix, lipid granules and vesicular bodies being common in the central part are absent in these outgrowths. Plasmodial outgrowths reach the host body surface and adult orthonectids move inside them using their cilia and stopping from time to time. The plasmodial outgrowths penetrate the ciliated epithelium, then males and females leave the host. Duration of emission may vary in different species from 6 to 13 days. The second mechanisms of emission is common for the orthonectid parasites of mollusks. Our observations of Rhopalura philinae from the gastropod Philine scabra lead to the conclusion that males and females leave their host practically simultaneously. When the plasmodium attains the terminal stage of its development most of the host entrails are already displaced by plasmodial mass. It causes breaks in host body walls and hence to emission of sexual individuals. During this process, which lasts about 24 hours, the mollusk dies. The same mechanism was observed in Rhopalura littoralis--parasite of the gastropod Onoba aculeus. Our investigations of emission ways reveal that the plasmodium of orthonectids has a potency of directing growth and can form certain structures. The process of forming the plasmodial outgrowths is coordinated in time and space. These outgrowths have certain directions inside the host body and the maturation of sexual individuals is clear related with the development of plasmodium outgrowth system. Our results suggest that forming of plasmodial outgrowths is an element of development of the united and highly integrated system. It is necessary to emphasize the capability of plasmodium to accomplish such morphogenetic transformations. This fact argues that plasmodium is a part of parasite organism and not host cells modified, like some experts supposed.

Animals↗

PubMedDate not supplied

Tongue piercing and insertion of metal studs: three cases of dental and oral consequences.

"Body art" is a fashion that appears to be gaining popularity worldwide. There are many risks and potentially adverse results associated with tongue piercing. Pain (the procedure is performed without anesthetics), post-placement edema and the risk of prolonged bleeding, if the blood vessels are punctured during the piercing, and fracture of tooth structures, are but a few of the risks. The purpose of the present article is to describe the consequences of three cases of tongue piercing in which metallic barbell-shaped studs were inserted: the consequences include the fracture of tooth structure, caused by the device knocking against the teeth; and inflammation and edema occurred as a result of the piercing of the tongue.

Adolescent↗

PubMed1991

Bergmann's rule near the equator: latitudinal clines in body size of an Andean passerine bird.

Critical correlative support for Bergmann's ecogeographic rule is provided by symmetrical patterns of size variation in Diglossa carbonaria, a tropical passerine bird whose geographic range in the Andes Mountains of South America straddles the equator. Body size is positively correlated with latitude both north and south of the equator. Moreover, parapatric taxa that exhibit either partial (north-western Bolivia) or complete (northern Peru) reproductive isolation converge in body size. Relative uniformity in the length of the highly modified flower-piercing bill among populations of D. carbonaria that differ significantly in body size suggests that character displacement or interspecific competition is not responsible for these patterns. These findings support the hypothesis that climate, particularly temperature seasonality, is an important environmental determinant of geographic size variation in homeotherms. In addition they demonstrate that clinal variation correlated with subtle climatic gradients can occur in tropical environments.

Journal Article↗

PubMed1982

The disposition of a novel tetrahydroquinoline, tiquinamide, in rats and patas monkeys.

The absorption of tiquinamide occurred rapidly and extensively in both rats and patas monkeys. The major site of localization of radioactivity was in the stomach in both species. Tiquinamide was 50-60% bound to rat plasma and 50-75% to monkey plasma. The elimination of unchanged drug from plasma took place rapidly, with half lives of 1.6 h in rats and 0.7 h in monkeys. Elimination of total radioactivity in the rat was very slow and monoexponential, with a half-life of 90 h. However, in the monkey it took place in a biphasic manner and most radioactivity was eliminated in the first phase with a half-life of 0.75 h. Possible reasons for the species difference in elimination are discussed. The principle route of excretion in both species was via the urine. Excretion was slower in the rat than in the monkey. In the former species, only 50% of the administered dose was excreted in the first 24 h after dosing, and a further 12% was recovered from the carcasses after 7 days. In the monkey, however, excretion was virtually complete in the first 6 h.

Animals↗

PubMed2004

Correlates of obesity in postmenopausal women with breast cancer: comparison of genetic, demographic, disease-related, life history and dietary factors.

BACKGROUND: Obesity in women has been associated with a variety of factors, including genetic predisposition, social class, early age at menarche, exercise, alcohol consumption and diet. Obesity is a risk factor for the occurrence and the recurrence of breast cancer in postmenopausal women, perhaps because of increased exposure to estrogen, insulin and insulin-like growth factors (IGFs). The progesterone receptor (PR) and the steroid hormone receptor coactivator pCIP/ACTR/AIB1/TRAM1/RAC3 (AIB1) are hypothesized to mediate signaling crosstalk between these hormonal pathways. Polymorphisms in both genes have been described and their association with breast cancer risk reported. If genetic factors contribute to obesity, and the PR and AIB1 genes influence estrogenic, insulin and IGF pathways, then genetic patterns resulting from PR and AIB1 polymorphisms may be associated with obesity in postmenopausal women. OBJECTIVE: We compared the PR and AIB1 genotypes of postmenopausal women with breast cancer with demographic, disease-related, reproductive, lifestyle and dietary variables in terms of the strength of their relationship with obesity (BMI> or =30 kg/m2). SUBJECTS: A total of 301 postmenopausal women previously diagnosed with Stage I, II or IIIA breast cancer, who are enrolled in the Women's Healthy Eating and Living (WHEL) study (age: 34.5-70.8 y, BMI: 17.8-54.6 kg/m2). MEASUREMENTS: The PR polymorphism PROGINS was identified by PCR. The length of the AIB1 polyglutamine repeat was determined by PCR and nondenaturing gel electrophoresis or DNA sequencing. BMI was obtained at the baseline clinic visit upon entry into the WHEL study. Information about date of diagnosis, stage of disease, tumor hormone receptor status and adjuvant treatment received were obtained from medical records. Reproductive, menstrual history, demographic, family history of cancer, smoking history and exercise frequency and intensity information were obtained from questionnaires. Dietary and alcohol intake data came from four 24-h telephone recalls of food intake obtained at the study entry. RESULTS: The combined inheritance of PROGINS A1/A1 and AIB1 28/29, 28/30, 28/31, 29/29 or 29/30 (AIB1 LG) genotypes (adjusted odds ratio (OR)=2.22 (95% confidence interval 1.25-3.93)) and early age at menarche (<12 y) (adjusted OR=2.34 (1.12-4.86)) were each associated with the risk for obesity. Current use of tamoxifen (adjusted OR=0.49 (0.28-0.87)) and an alcohol intake > or =10 g/day (adjusted OR=0.28 (0.11-0.77)) were inversely associated with BMI > or =30 kg/m2. CONCLUSION: Early age at menarche and a PROGINS A1/A1+AIB1 LG genetic pattern had comparable levels of association with obesity in this cross-sectional sample of postmenopausal women with breast cancer. Since this was a cross-sectional rather than a case-control design, the association between PROGINS and AIB1 genotype and obesity found in this sample should be considered preliminary, and must be re-evaluated with a new and larger sample.

Adult↗

PubMed1997

Cause and effect beliefs and self-esteem of overweight children.

In this study, beliefs of the cause and effect of weight were examined in a sample of 9- to 11-year-old clinically overweight children. Lower self-esteem was found in the children who believed they are responsible for their overweight as compared to those who attributed their overweight to an external cause. Lower self-esteem was also found in the children who believed that their overweight hinders their social interaction. Other evidence gathered here lends some support to the view that the overweight child is more vulnerable to low self-esteem. The negative experiences in school and at home that the children reported and the premise that childhood obesity is a stigmatising condition is discussed.

Body Mass Index↗

PubMed1998

The living canvas.

In the United States, body art has gradually moved from the fringes of society into the mainstream. This article focuses on the health issues surrounding this practice. The literature cites numerous infectious diseases and complications resulting from or linked to body art. Tattoos have been linked to skin neoplasms, piercing has been associated with hepatitis B and C risk, and branding is strongly associated with infection. Although it is a theoretical risk, no documented cases of HIV have been acquired from a tattoo or piercing. In general, tattooing, piercing and branding are unlicensed and unregulated industries. In many communities, tattoo artists and establishments are not subject to health inspections, body art practitioners are not required to be trained in anatomy, infection control or universal precautions, and the contents of tattoo dyes have never received FDA approval. Healing times for body art are variable, depending on type and location. Obtaining body art is a long-term commitment, and patients should be fully aware of this.

Art↗

PubMedDate not supplied

Testing of a 50 cc stroke volume completely implantable artificial heart: expanding chronic mechanical circulatory support to women, adolescents, and small stature men.

The development of a completely implanted total artificial heart at our institution has progressed to successful in vivo and in vitro testing of a device that is nearing clinical testing. This system consists of a 70 cc stroke volume pump originally designed to be used in men of average stature. Implantation of this system remains limited by patient size; hence, many women and adolescent patients will likely be precluded from support because of their smaller stature. A system similar in design, but with a 50 cc stroke volume pump has been developed. The first in vivo study of this device has been undertaken. A calf was supported for 33 days. The animal was extubated and ambulatory within the first 6 hours of implantation, and remained healthy until the thirty-third postoperative day when it suffered an embolic neurologic event. The pump and operating system worked flawlessly throughout the period of support. Further in vivo and in vitro testing will be undertaken. Development of a scaled down total artificial heart system expands this type of circulatory support to those critically ill patients previously deemed poor candidates because of their smaller body habitus.

Adolescent↗

PubMed2000

Cytotoxicity due to corrosion of ear piercing studs.

It is well known that allergic and/or inflammatory reactions can be elicited from the use of gold-coated studs, particularly the type used for piercing ears, since they are left in contact with body fluids until the puncture heals. Inasmuch as gold is known as a non-toxic element, other elements of the substrate material may be responsible for some allergies. Therefore, characteristics of the coating, such as defects that expose the substrate to the human skin or body fluids, play an important role in the development of skin sensitization. In this study, the cytotoxicity of commercial studs used for ear piercing and laboratory-made studs was determined in a culture of mammalian cells. The corrosion performance of the studs was investigated by means of weight loss measurements and electrochemical impedance spectroscopy. The elements that leached out into the medium were also analysed by instrumental neutron activation analysis. Further, the surfaces of the studs were examined by scanning electron microscopy and analysed by energy dispersive spectroscopy to identify defects and reaction products on the surface, both before and after their exposure to the culture medium. The stud which showed lower corrosion performance resulted in higher cytotoxicity. Ti showed no cytotoxicity and high corrosion resistance, proving to be a potential material for the manufacture of ear piercing studs.

Alloys↗

PubMed1999

Anatomy of pelvic arteries adjacent to the sacrospinous ligament: importance of the coccygeal branch of the inferior gluteal artery.

OBJECTIVE: To describe the arterial vascular anatomy in the area of the sacrospinous ligament. METHODS: Cadaver pelvises were dissected to reveal the anatomy of the sacrospinous ligament with emphasis on vascular and neuroanatomy. Flexible rulers were used to measure the coccygeal branch in five hemipelvises. RESULTS: The pudendal vessels and nerve pass immediately medial and inferior to the ischial spine (within 0.5 cm of the spine) and behind the sacrospinous ligament. The pudendal artery lies anterior to the sacrotuberous ligament, which passes behind the ischial spine to its attachment at the posterior ischial tuberosity. The inferior gluteal artery originates from the posterior or the anterior branch of the internal iliac artery to pass behind the sciatic nerve and the sacrospinous ligament. There is a 3- to 5-mm window in which the inferior gluteal vessel is left uncovered above the top of the sacrospinous ligament and below the lower edge of the main body of the sciatic nerve plexus. The coccygeal branch of the inferior gluteal artery passes immediately behind the midportion of the sacrospinous ligament and pierces the sacrotuberous ligament in multiple sites. The main body of the inferior gluteal artery leaves the pelvis by passing posterior to the upper edge of the sacrospinous ligament and following the inferior portion of the sciatic nerve out of the greater sciatic foramen. CONCLUSION: Sutures placed through the sacrospinous ligament at least 2.5 cm from the ischial spine along the superior border of the sacrospinous ligament and without transgressing the entire thickness are in an area generally free of arterial vessels.

Arteries↗

PubMedDate not supplied

[Semi-permanent make up and tattooing equipment: safety and health issues].

The UK's Health and Safety Executive (HSE), at Machinery Directive Administrative Cooperation meeting, brought a problem to the attention of semi-permanent make up equipment sold in the European market, that may pose a health risk due to microbiological contamination. Considering that body adornment techniques are becoming increasingly popular, a study was carried out to evaluate the technical characteristics of such equipment and to collect information on the National and European regulatory situation. In most member states of the European Community, tattooing and semi-permanent make up activities are not regulated by specific laws. In Italy, the "Guidelines for safe tattooing and piercing practices" were laid down by the Ministry of Health in 1998 (Notes N. 2.8/156 of 5 February 1998 and n.2.8/633 of 16 July 1998). This paper discusses the need to implement the above guidelines and to harmonize European legislation on the subject.

Body Piercing↗

PubMed2003

Unusual complication of ingestion of a foreign body.

Foreign bodies of the upper aerodigestive tract are common problems dealt with by the otolaryngologist. Among all foreign bodies in the oesophagus, an open safety pin still presents a challenge for the ENT specialists because of its propensity to pierce the oesophagus and surrounding structures. We present an interesting case of a long-standing foreign body i.e. an open safety pin, which, after piercing the hypopharynx, caused fatal common carotid artery rupture.

Adult↗

PubMed1992

Microangioarchitecture of the guinea pig gallbladder and bile duct as studied by scanning electron microscopy of vascular corrosion casts.

The microvasculature of the gallbladder, the common bile duct, and the duodenal papilla was investigated in 20 albino guinea pigs (Cavia porcellus) using microvascular corrosion casting and scanning electron microscopy (SEM). Main supplying and draining vessels (first-order vessels) approach the gallbladder along the cystic duct. From the latter, penetrating vessels (second-order vessels) arise which pierce the muscular coat of the gallbladder body to form the plexus of third-order vessels between the muscle coat and the mucosa. Third-order vessels finally branch to supply the subepithelial capillaries, which show a honeycomb arrangement, corresponding to the gallbladder pits. At the areas bordering mucosal pits and beneath the tunicae plicae mucosae, the capillaries form glomera. These structures make the mucosal vasculature suitable for adapting to gallbladder wall distension caused by volume changes. The mucosal capillary glomera may also be involved in absorption of substances from bile, or they could act as buffer zones, counteracting the pressure which develops as the gallbladder volume increases. Venous sphincters occurring at the junction of mucosal vessels with the subjacent third-order veins may regulate blood flow in the mucosal glomera. The neck region as well as bile ducts consist of 2 vascular layers: an inner capillary layer and an outer one containing arterioles and venules. The duodenal papilla has a hemispheric shape and is interposed in the transition zone between the stomach and the duodenum. On the most luminal aspect, the capillaries of the papilla have a ring-shaped arrangement, as do the capillaries of the stomach, surrounding the mucosal glands; the remainder of the papilla is covered by duodenal villi capillaries.

Ampulla of Vater↗