97,495 papers found

BACKGROUND: Several reports in the past have described the natural history of atrial septal defects, most dealing with a decrease in size or spontaneous closure of the defect. Some recent articles have also described an increase in size of the defect in a sizable number of cases which may be important in the current er…

PURPOSE OF THE STUDY: The aim of this study was to appreciate the long term result of 309 acetabular components of total hip arthroplasty. MATERIALS AND METHODS: All were performed using Charnley's prosthesis and cement, by one surgeon, between January 1972 and December 1975. Clinical function was graded according to…

OBJECTIVE: To investigate the effectiveness of bundled multi-segment autologous rib graft reconstruction for bone defects after thoracic spinal tuberculosis debridement. METHODS: The anterior debridement, multi-segment autologous rib interbody fusion, anterior or posterior internal fixation were used for treating the…

For the last 5 years from 1986 to the end of 1990, 279 and 271 surgeries were undertaken on thoracic and abdominal aortic aneurysm, respectively. The highest age distribution of the former was between 60 to 69 years old comparing to 70 to 71 years old of later group. In thoracic aortic aneurysm, overall surgical result…

The number of Rh-isoimmunized pregnancies in Manitoba has been reduced from 223 and 228 in the years ending Oct. 31, 1963 and 1964 to 60 and 62 in the years ending Oct. 31, 1974 and 1975. The number per 1000 total births in the same years has decreased from 10.0 and 10.6 to 3.4 and 3.5 Perinatal mortality rates in thos…

BACKGROUND: Travelers may return from the tropics with psychological problems. The literature regarding features and associations of these psychological problems is limited. METHODS: Case histories of 15 consecutive returning travelers seen at our psychiatric service during the last 8 years. RESULTS: The median age o…

OBJECTIVE: To assess risk behaviours including number and type of sex partners, condom use, knowledge of STIs and HIV/AIDS among hijras (eunuch) of Lahore. METHODS: Two hundred hijras were recruited through Respondent Driven Sampling and interviewed by a team of experienced interviewers. RESULTS: The mean age of the…

OBJECTIVES: To estimate vaccine effectiveness (VE) and duration of protection of single primary and booster immunisation with meningococcal C (MenC) and ACWY (MenACWY) conjugate vaccines in preventing MenC invasive meningococcal disease (IMD). METHODS: We performed a systematic review on studies of VE and immunogenici…

BACKGROUND: Considerable changes in hormone therapy use have taken place in the last few years. AIMS: To determine current usage of postmenopausal hormone therapy and assess the trend and rate of change in hormone therapy usage over the last 13 years. Additionally, to assess differences between current users and non-u…

This study recorded the number of preclinical lecture and simulation laboratory sessions spent teaching the preparation and placement of amalgam and resin composite posterior restorations. These data were compared to the use of both materials in the operative clinic as placed by third- and fourth-year students. The num…

Between 1972 and 1986, 490 modified Hill's procedures were performed for gastro-esophageal reflux; 441 cases were retrospectively studied consisting of 245 males and 196 females, aged from 4 days to 83 years, with a mean age of 41 years. Average duration of gastrointestinal symptoms was 5.4 years. The proposed techniqu…

In a retrospective study, a computer-based stepwise discriminant analysis was used to create a biostatistical model of the results of surgery in congenital esotropia. One hundred fifty-seven patients who had bilateral medial rectus muscle recession as an initial operative procedure with at least 6 months postoperative…

Lymphomas are the third most frequent malignancies in childhood. The Hungarian Pediatric Oncology Group was founded in 1971, and since then the same chemotherapeutic protocols have been used in the whole country. In this study we analyzed the data of childhood Hodgkin's lymphoma in Hungary in the last 11 years (1988-19…

BACKGROUND: Idiopathic Generalized Epilepsy (IGE) management has become increasingly challenging due to the restricted use of Valproate (VPA) in females. The aim of the study was to assess possible differences in terms of seizure outcome between men and women suffering from IGE. METHODS: A cohort of IGE patients (age…

OBJECTIVES: We sought to identify prevalence and predictors of heroin-related overdose among young injection drug users (IDU). METHODS: A total of 795 IDU under age of 30 years were interviewed in four neighbourhoods in San Francisco, California, USA. Participants were recruited as part of a broader study of HIV, hepa…

The serotonin receptor subtype 5 HT(1A) was one of the first serotonin receptor subtypes pharmacologically characterized. Over the last twenty years the 5 HT(1A) receptor has been the object of intense research efforts as witnessed by the 5 HT(1A) acting drugs marketed as anxiolytics. In recent years, several new chemi…

Conventional external beam radiation has proved its profit in pediatric tumors; but its complications have limited it in therapeutical approach. Intraoperative radiotherapy delivers a high single dose in residual tumor or high risk areas during surgery. In our center, during last two years, 7 patients have been candida…

During the period 1970-86, 155 men and 24 women were operated on for abdominal aortic aneurysms at the University Hospital in Tromsø. Elective operations were performed in 76 patients with an operative mortality of 5 (7%), impending rupture in 49, of whom 14 died (29%) and ruptured aneurysms in 54 patients, of who…

A self weighted, 2 stage probability sample of households in greater Santiago was obtained to select women and men between 15 and 24 years of age in order to obtain information about knowledge of sexual aspects, sexual activity and use of contraception. 35% of females and 65% of males declared to have had premarital se…

BACKGROUND AND AMS: Despite the evident public health impact, the extent and patterns of alcohol use in the Eastern Mediterranean countries remain understudied. The latest estimation for the last 12-month use of alcohol in the region was 2.9% in 2016 by the World Health Organization. We reviewed the main indicators for…