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At least 19 recordsLinked to original sources
PubMed1998

Academic medical libraries' policies and procedures for notifying library users of retracted scientific publications.

Academic medical libraries have a responsibility to inform library users regarding retracted publications. Many have created policies and procedures that identify flawed journal articles. A questionnaire was sent to the 129 academic medical libraries in the United States and Canada to find out how many had policies and procedures for identifying retracted publications. Of the returned questionnaires, 59% had no policy and no practice for calling the attention of the library user to retracted publications. Forty-one percent of the libraries called attention to retractions with or without a formal policy for doing so. Several responding libraries included their policy statement with the survey. The increasing number of academic medical libraries that realize the importance of having policies and practices in place highlights the necessity for this procedure.

Academic Medical Centers↗
PubMed1998

Phenomena of retraction: reasons for retraction and citations to the publications.

CONTEXT: This study examined the impact of retracted articles on biomedical communication. OBJECTIVE: To examine publications identified in the biomedical literature as having been retracted, to ascertain why and by whom the publications were retracted and to what extent citations of later-retracted articles continue to be incorporated in subsequent work. DESIGN: A search of MEDLINE from 1966 through August 1997 for articles that had been retracted. MAIN OUTCOME MEASURES: Characteristics of retractions and citations to articles after retraction. RESULTS: A total of 235 articles had been retracted. Error was acknowledged in relation to 91 articles; results could not be replicated in 38; misconduct was evident in 86; and no clear reason was given in 20. Of the 235 articles, 190 were retracted by some or all of the authors; 45 were retracted by a person or organization other than the author(s). The 235 retracted articles were cited 2034 times after the retraction notice. Examination of 299 of those citations reveals that in only 19 instances was the retraction noted; the remaining 280 citations treated the retracted article either explicitly (n = 17) or implicitly (n = 263) as though it were valid research. CONCLUSION: Retracted articles continue to be cited as valid work in the biomedical literature after publication of the retraction; these citations signal potential problems for biomedical science.

Periodicals as Topic↗
PubMed2006

Repetitive, duplicate, and redundant publications: a review for authors and readers.

Repetitive, duplicate, and redundant publications are an important concern in the scientific literature. Their occurrence affects science and carries with it sanctions of consequence. This editorial provides a brief review of the definitions, classifications, impact, sanctions, and prevention strategies regarding repetitive, duplicate, and redundant publications.

Authorship↗
PubMed1994

Adenosine triphosphate treatment for supraventricular tachycardia in infants.

UNLABELLED: Adenosine is an endogenous nucleoside acting on coronary perfusion and myocardial conduction. Although the anti-arrhythmic effects of adenosine have been known for decades, interest in the use of adenosine or adenosine triphosphate (ATP- a precursor of adenosine) in termination of supraventricular tachycardia (SVT) has been renewed. We studied the use of Striadyne (ATP and a mixture of other nucleosides including adenosine) in 22 infants younger than 6 months in order to evaluate efficacy and safety of the drug in this particular age group. Striadyne stopped SVT in 17 cases and was diagnostic in another 4 cases. Ten out of 17 successfully converted infants showed one or more reinitiations of SVT, which were easily controlled. The results support the efficacy of ATP for the termination of re-entry types of tachycardia, as well as its diagnostic value and its lack of serious side-effects. CONCLUSION: Adenosine or ATP could be the drug of choice for the treatment of junctional tachycardia in infants after vagal manoeuvres have failed. Provided continuous ECG monitoring is performed during injection, adenosine or ATP may be diagnostic in other types of supraventricular tachycardia and even in wide-complex tachycardia. We suggest a bolus injection of 0.5-1.0 mg/kg to be used prior to transport to the paediatric cardiology unit.

Adenosine Triphosphate↗
PubMedDate not supplied

CT features of bladder small cell carcinoma.

Computed tomography (CT) features of six patients with pathologically proven bladder small cell carcinoma (SCC) were analyzed retrospectively. CT revealed these tumors as large, enhancing, broad-based polypoid intramural masses with or without cystic portions, extending to the perivesical area. Tumor calcification was found in one patient, and lymphadenopathy in four patients. The staging at the time of diagnosis was C in three patients, and D1 in another three patients. Follow-up CT showed brain metastasis in one patient, and liver metastasis in two patients.

Adult↗
PubMedDate not supplied

The relationship between lipid profile and erectile dysfunction.

The objective of this study is to investigate the relation between serum lipids (cholesterol, LDL, HDL, triglyceride (TG)) and erectile dysfunction (ED). The experimental methods involved comparison of 100 patients with organic ED (mean age of 43.59+/-10.51 y), with 100 healthy individuals (mean age of 43.72+/-9.76 y) regarding their lipid profile from January 2000 to June 2003 (cholesterol, TG, HDL, LDL). The results showed that there was a significant difference between mean plasma cholesterol and LDL levels in the individuals suffering from ED and the control group (P=0.04 and 0.02, respectively). The TG and HDL mean plasma level differences were not significant (P=0.583 and 0.299, respectively). Odds ratios for high plasma cholesterol level (>240 mg/dl) and high plasma LDL level (>160 mg/dl) were 1.74 and 1.97. The R2 was 0.04 for both cholesterol and LDL. Applying linear regression, the coefficient for cholesterol and LDL reduced the International Index of Erectile Function questionnaire scores by -0.036 and -0.035. In conclusion, this study, the correlation of cholesterol and LDL levels with ED strongly supports the role of hyperlipidemia treatment in both the prevention and management of ED.

Adult↗
PubMed1997

Changes in body mass index (BMI) and prevalence of obesity among Kuwaitis 1980-1994.

OBJECTIVE: To compare temporal changes in body mass index (BMI) (kg/m2) and prevalence of obesity (BMI > 25 and > 30 kg/m2) among adult Kuwaitis between two periods 14 y apart. DESIGN: Comparison of two independent cross-sectional samples of Kuwaitis studied in 1980-1981 and 1993-1994. SUBJECTS: 2067 (896 men and 1171 women) and 3435 (1730 men and 1705 women) adult Kuwaitis (aged > or = 18 y), drawn from primary health care (PHC) clinics and studied for nutritional assessment and for prevalence of obesity in 1980-1981 and 1993-1994, respectively. MEASUREMENTS: BMI, which is the weight in kilograms divided by the height in meters squared (kg/m2), was based on measured weight and height. Obesity was defined as BMI > 25 kg/m2 (grade 1) and BMI > 30 kg/m2) (grade 2). RESULTS: Mean BMI increased significantly (P < 0.001) by 10.0% and 6.2% (2.5 and 1.7 kg/m2) among men and women, respectively. Prevalence of obesity (BMI > 25 and > 30 kg/m2) increased by 20.6% and 15.4% and by 13.7% and 8.4% among men and women, respectively. After controlling for sociodemographic differences between the two study periods, BMI was 2.0 and 1.6 kg/m2 higher in 1993-1994 than in 1980-1981 among men and women respectively. The risk of obesity (BMI > 25 and > 30 kg/m2) also increased among both genders between the two periods (OR = 2.1, 95% CI 1.7-2.7 and OR = 1.9, 95% CI 1.5-2.4, for men and OR = 2.2, 95% CI 1.6-3.0 and OR = 1.4, 95% CI 2.2 CI-1.0-1.9, for women). CONCLUSION: BMI and prevalence of obesity increased among Kuwaitis between 1980-1981 and 1993 and 1994 probably due to the effects of modernization, affluence, increased food consumption and the concomitant changes to sedentary lifestyles. The rate of temporal changes in BMI and obesity were higher, by comparison, in Kuwait than in selected other countries.

Adolescent↗
PubMedDate not supplied

Coincidental detection of T-cell rich B cell lymphoma in the para-aortic lymph nodes of a woman undergoing lymph node dissection for cervical cancer: a case report.

The diagnosis of cervical squamous cell carcinoma with concurrent T-cell rich B cell lymphoma in dissected lymph nodes has not been reported to our knowledge. In our case, the biopsy of an exophytic lesion at the uterine cervix showed squamous cell carcinoma in a 50-year-old woman presenting with postcoital bleeding. Type III hysterectomy, bilateral salpingo-oophorectemy, bilateral pelvic, para-aortic lymph node dissections were performed. Pathologic examination revealed a T-cell rich B cell lymphoma in some lymph nodes beside squamous cell carcinoma in several of others. ELISA for human immuno-deficiency virus (HIV) was negative. The cervical carcinoma was staged as FIGO clinical stage IB1 and the lymphoma as Ann Arbor IIA. Six cycles of CHOP (cyclophosphamide, adriamycin, vincristine, and prednisolon) chemotherapy for the lymphoma and concomitant pelvic chemoradiotherapy with cisplatin for cervical cancer were given. In this rare coincidence, the best available therapy for each of the diseases should be considered individually. We also suggest that HIV screennig test be carried out, because both diseases may be related to human immuno-deficiency virus, although our patient is HIV-negative.

Antineoplastic Combined Chemotherapy Protocols↗