97,814 papers found

We examined the relation between breast cancer, parity, and age at first and last births in a large national cohort of young women in Norway. We estimated relative incidence rates by Poisson regression analyses of person-years at risk with parity and age at last (most recent) birth as time-dependent variables. A total…

The Chinese population in British Columbia has been increasing in recent years due to the migration of the Chinese from Southern China, which has tripled during the last decade. From 1939 to 1980, 296 cases of nasopharyngeal carcinoma (NPC) were seen at the Cancer Control Agency of British Columbia (CCABC). Of these, 1…

AIM: 1. To show how in a program of pediatric liver transplantation (PLT) with 12 years of experience, the continuous use of technical innovations has allowed to improve the results and to treat the most complex cases. 2. To point out that when the immediate results of the transplant improve and the evolution time get…

BACKGROUND: Most cigarette smokers take up their habit during adolescence. The aim of this study was to compare the age at which the students of a metropolitan high school and those of a non-metropolitan high school start smoking. METHODS: Nine hundred and seventy-eight students (55.6% males, mean age 15.8 +/- 1.5 yea…

Among patients hospitalized in 1983-1992 were 416 (239 women) who were immobilized for at least 2 hours due to stroke, orthopedic surgery, or sepsis. 128 (30.8%) had pressure ulcers (PU); 100 (31.2%) had diabetes (DM), including 12 with IDDM and 118 with NIDDM; age (mean +/- SD) was 74.3 +/- 9.5 years. Those with IDDM…

BACKGROUND: Regular recertification is mandatory to maintain board certification status in all specialties. However, the evidence that physicians' performance decreases with time since initial certification is limited. We therefore carried out a study to determine whether the frequency of antihypertensive treatment int…

To examine the characteristics of male breast cancer in Japan, time trends and geographical distribution of the mortality of male breast cancer were analyzed by using " Vital Statistics " over the last four decades, compared with female breast cancer mortality. The male to female sex ratio of the number of deaths from…

AIM OF THE STUDY: To follow and analyse the state and the structure of neonatal mortality rate (NMR) in the last ten years in Bulgaria. MATERIAL AND METHODS: A retrospective study is fulfilled on the annual data of the National Health Statistic Institute concerning the NMR in a period of last ten years. Along to this…

OBJECTIVE: To study the clinical application of Mobi-C prosthesis in treatment of anterior cervical discectomy and artificial disc replacement (ADR). METHODS: Between January 2009 and June 2009, 20 cases of degenerative cervical disease were treated with anterior discectomy and ADR by Mobi-C prosthesis, including 13 c…

OBJECTIVE: To evaluate the clinical course of children with primary distal renal tubular acidosis and to determine parameters correlated with the outcomes. MATERIAL AND METHOD: A retrospective review of medical records was carried out. The parameters at initial diagnosis and the last visit were collected including hei…

PurposeAssess long-term outcome of combined trabeculotomy-trabeculectomy (CTT) in primary congenital glaucoma (PCG).MethodsData of PCG patients treated with CTT by a single surgeon between 1976 and 1993 were reviewed for reduction in intraocular pressure (IOP), visual acuities, surgical success rates, and need for repe…

OBJECTIVE: This study aimed to compare the curative efficacy of hemivertebra resectionthe posterior approach assisted with unilateral and bilateral internal fixation in the treatment of congenital scoliosis (CS). METHODS: In this study, 29 children (15 males and 14 females), who underwent hemivertebra resectionthe pos…

During the past 40 years (1951-1990), 7,663 patients with peptic ulcer disease underwent surgical treatment at the National Taiwan University Hospital. A great change in patient characteristics and operative procedures was noted between the last 10 years and the previous three decades. There were 7,105 patients (92.7%)…

Transmission electron microscopy analysis (TEMA) was used to analyze the bronchoalveolar lavage fluid (BALF) of 262 subjects occupationally exposed (OE) to nonfibrous mineral particles (NFMP) and 42 controls not occupationally exposed to mineral dusts. OE subjects were divided into three groups according to the lapse o…

BACKGROUND: Energy Drinks (ED) are caffeinated beverages marketed as attention and endurance enhancers. The main purpose of this study is to provide national estimates of the prevalence of alcohol mixed with energy drink (AmED) and ED use among school-aged adolescents. A secondary objective is to examine the difference…

The therapeutic management strategy is based on the regular evaluation of the control of asthmatic disease, with an effective minimum dose research and the assessment of environmental factors, not to mention the important place of therapeutic education. These professional recommendations relate to the management and fo…

PURPOSE OF THE PAPER. The purpose of this paper is to study the relationship between religiosity and psychosocial adjustment in a group of Asian refugees from Laos. SUMMARY OF METHODS UTILIZED. Subjects consisted of 100 adult Hmong refugees from Laos who had relocated one decade earlier to Minnesota. At the time of the…

Four magnetic profiles across the Pacific-Antarctic Ridge reveal magnetic anomalies that show trends parallel with the ridge axis and symmetry about the ridge axis. The distribution of bodies that could cause these anomalies supports the Vine and Matthews hypothesis for the generation of patterns of magnetic anomalies…

Jack, aged 66 years, presented to his general practitioner with a foreign body sensation in his throat and altered voice, which developed over 30 minutes. He was otherwise well, having no other new symptoms or recent alterations to medication. He had not eaten anything unusual. He had hypertension, type 2 diabetes, sta…

BACKGROUND: The incidence of colorectal carcinoma has been on the increase in the developing countries, including Nigeria, as a result of change in diet and adoption of western lifestyle. OBJECTIVES: The aim of this review is to highlight the prevalence, age and sex distribution, anatomical location, and morphological…