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Dive into the research topics where Peter Vasilenko is active.

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Featured researches published by Peter Vasilenko.


American Journal of Obstetrics and Gynecology | 2003

What influences medical students to pursue careers in obstetrics and gynecology

Rae Schnuth; Peter Vasilenko; Brian Mavis; Joseph Marshall

OBJECTIVES The purpose of this study was to identify factors that influence medical students to choose of obstetrics/gynecology as a career specialty. STUDY DESIGN A Web-based survey of medical students was conducted that included demographics, desire to enter the obstetrics and gynecology specialty, factors that influence selection of the obstetrics and gynecology specialty, perceptions about the obstetrics and gynecology specialty, and incidents of encouragement and discouragement toward entering the obstetrics and gynecology specialty. Analysis included parametric and nonparametric testing. RESULTS Fifty-one percent of the students (n=205) returned the survey: 131 women (64%) and 72 men (35%); 2 respondents did not specify gender. Various factors influenced a medical student to pursue a career in obstetrics and gynecology, which revealed some specific areas of significant difference between genders, particularly in relation to lifestyle issues and practice trends. CONCLUSIONS This study amplifies the importance of understanding the role of student gender when exploring the obstetrics and gynecology specialty as a career choice. Appreciating factors that influence decisions to enter the obstetrics and gynecology specialty provides opportunities to impact the experiences and decisions of students toward considering the obstetrics and gynecology specialty as a career choice.


Academic Medicine | 2005

Female patients' preferences related to interpersonal communications, clinical competence, and gender when selecting a physician.

Brian Mavis; Peter Vasilenko; Rae Schnuth; Joseph Marshall; Madeline Colavito Jeffs

Purpose In obstetrics and gynecology (ob-gyn), a physician’s gender can affect patients’ access to care as well as medical education curricula and career counseling. The authors focused on the importance that female patients place on various physician characteristics, and how this importance varied by patients’ characteristics and compared for family practitioners, obstetrician-gynecologists, and surgeons. Method In 1999–2000, an anonymous questionnaire was distributed for one week to all women scheduled for an ob-gyn visit at six community campuses of Michigan State University College of Human Medicine. The first section of the questionnaire listed 16 physician characteristics and asked patients to rate the importance of each using a six-point scale (1 = not at all important, to 6 = very important). The items were presented three times, in reference to the patients’ choice of a family physician, ob-gyn, and surgeon. The questionnaire also asked for patients’ demographic information. Descriptive statistics were used to summarize patient demographics and ratings. Multivariate relationships were tested using analyses of variance (repeated-measures analysis of variance [ANOVA]) and multiple regression. Results In the 1,059 completed questionnaires, items related to physician gender were among the lowest rated, regardless of specialty. A factor analysis resulted in a three factor solution: Interpersonal Communications, Clinical Competence, and Gender. Interpersonal Communications ratings varied least by physician specialty and patient characteristics; Gender ratings varied most. Physician behaviors rather than physician attributes play an important role in women’s choices. Conclusions For most women, physician gender was one of the least important characteristics, regardless of specialty. Excellent skills might give all physicians an edge in patients’ choice decisions, a finding contrary to widely held beliefs about more limited future opportunities for men in some specialties.


Journal of General Internal Medicine | 2001

Do race and gender influence the use of invasive procedures

Ralph E. Watson; Aryeh D. Stein; Francesca C. Dwamena; Jill Kroll; Raj Mitra; Barbara McIntosh; Peter Vasilenko; Margaret Holmes-Rovner; Qin Chen; Joel Kupersmith

OBJECTIVE: To assess the influence of race and gender on the use of invasive procedures in patients with acute myocardial infarction (AMI) in community hospitals.DESIGN: Prospective, observational.SETTING: Five mid-Michigan community hospitals.PATIENTS: All patients (838) identified with AMI between January 1994 and April 1995 in 1 of these hospitals.MEASUREMENTS AND MAIN RESULTS: After adjusting for age, hospital of admission, insurance type, severity of AMI, and comorbidity, using white men as the reference group, the rate of being offered cardiac catheterization (CC) was 0.88 (95% confidence interval [CI], 0.60 to 1.29) for white women; 0.79 (95% CI, 0.41 to 1.50) for black men; and 1.14 (95% CI, 0.53 to 2.45) for black women. Among patients who underwent CC, after also adjusting for coronary artery anatomy, the rate of being offered angioplasty, using white men as the reference group, was 1.22 (95% CI, 0.75 to 1.98) for white women; 0.61 (95% CI, 0.29 to 1.28; P=.192) for black men; and 0.40 (95% CI, 0.14 to 1.13) for black women. The adjusted rate of being offered bypass surgery was 0.47 (95% CI, 0.24 to 0.89) for white women; 0.36 (95% CI, 0.12 to 1.06) for black men; and 0.37 (95% CI, 0.11 to 1.28) for black women.CONCLUSIONS: Our study shows that white women are less likely than white men to be offered bypass surgery after AMI. Although black men and women with AMI are less likely than white men to be offered percutaneous transluminal coronary angioplasty or coronary artery bypass grafting in both unadjusted and adjusted analyses, these findings did not reach statistical significance. Our study is limited in power due to the small number of blacks in the sample.


American Journal of Obstetrics and Gynecology | 1992

The effects of nifedipine on pregnancy outcome and morphology of the placenta, uterus, and cervix during late pregnancy in the rat

Joann Richichi; Peter Vasilenko

OBJECTIVE Although the calcium antagonist nifedipine has been reported to suppress preterm labor, little is known of the effects of long-term nifedipine use in late pregnancy. In this study the effects of nifedipine on pregnancy outcome and the morphologic features of the reproductive tract in the late-pregnant rat were investigated. STUDY DESIGN From days 14 to 21 of gestation pregnant rats were administered three or 30 times the maximum human dose of nifedipine reported to suppress preterm labor. Analysis was performed on day 21. RESULTS Blood vessel dilatation, increased vascularization of the uterus and placenta, and trophoblast hypertrophy were seen in both nifedipine-treated groups. Placental weight was increased in the higher-dose group, but neither dose of nifedipine resulted in any change of fetal survival or malformations. Pup weight was not different from that of controls in the lower-dose group but was significantly reduced (p less than 0.001) with the higher dose. Histologic changes in uterine musculature and cervical collagen were consistent with the inhibitory effects of nifedipine on uterine contractions. CONCLUSION The results suggest that, in addition to tocolysis, nifedipine can cause vascular dilatation in both the uterus and the placenta. The use of nifedipine within the normal dose range does not appear to adversely affect fetal outcome and may potentially improve fetal outcome in some disorders of pregnancy.


Infection Control and Hospital Epidemiology | 1999

Rubella immunity in a cohort of pregnant women

Robert D. McElhaney; Marilyn Ringer; Del J. DeHart; Peter Vasilenko

To assess the rubella immune status of a cohort of high-risk pregnant women visiting a Midwestern clinic, we retrospectively studied 50 random pregnancies per year from 1990 through 1996. Of 350 patients analyzed, 53 (15.1%) were not immune to rubella, and vaccination opportunities were missed.


Journal of General Internal Medicine | 2004

Changes in Rates of Beta-blocker Use in Community Hospital Patients with Acute Myocardial Infarction

Adesuwa Olomu; Ralph E. Watson; Azfar Siddiqi; Francesca C. Dwamena; Barbara McIntosh; Peter Vasilenko; Joel Kupersmith; Margaret Holmes-Rovner

OBJECTIVE: To examine changes in the rate of beta-blocker (BB) use at admission, in hospital, and at discharge between 1994 and 1995 (MICH I) and 1997 (MICH II) in patients with acute myocardial infarction (AMI).DESIGN: Comparison of two prospectively enrolled cohorts.SETTING: Five mid-Michigan community hospitals.PATIENTS: We studied 287 MICH I patients and 121 MICH II patients with AMI who had no contraindications to BB use from cohorts of consecutively admitted cases of AMI (814 in MICH I; 500 in MICH II).RESULTS: Prescription of BBs to ideal patients with AMI increased in patients with previous history of myocardial infarction on arrival at the hospital (12.5% vs 36.0%; P=.01), in hospital (47.0% vs 76%; P<.01), and at discharge (34.0% vs 61.9%; P<.01). Neither race nor gender was a predictor of BB use. Younger age predicted BB prescription at discharge (odds ratio [OR], 2.07; 95% confidence interval [CI], 1.32 to 3.23). Later study cohort was the most important predictor of BB use in hospital (OR, 3.4; 95% CI, 2.09 to 5.25).CONCLUSION: BB use improved dramatically over the study period, but additional work is needed to improve use of BB after discharge and among elderly patients with AMI.


Academic Medicine | 2006

Medical students' involvement in outpatient clinical encounters: a survey of patients and their obstetricians-gynecologists.

Brian Mavis; Peter Vasilenko; Rae Schnuth; Joseph Marshall; Madeline Colavito Jeffs


American Journal of Emergency Medicine | 1997

A prospective comparison of transnasal butorphanol and acetaminophen with codeine for the relief of acute musculoskeletal pain

Robert W. Wolford; John Kahler; Prabin Mishra; Peter Vasilenko; Robert DeYoung


Prehospital and Disaster Medicine | 1996

71. Prospective Evaluation of Criteria Allowing Paramedics to Treat and Release Patients Presenting with Hypoglycemia

Robert W. Wolford; William Tisol; Peter Vasilenko; Robert M. Domeier; Susan Bignall Owensby


Obstetrics & Gynecology | 2002

Classification of prematurity by gestational age: a concept now mature

Joseph Marshall; Peter Vasilenko

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Joseph Marshall

Michigan State University

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Brian Mavis

Michigan State University

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Rae Schnuth

Michigan State University

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Joann Richichi

University of Oklahoma Health Sciences Center

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Joel Kupersmith

Michigan State University

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Ralph E. Watson

Michigan State University

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