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Biomedical subjects

J G Baggs

Publications and source records attributed to J G Baggs.

25 records · Page 2Linked to original sources
PubMed1987

Hemodynamic and regional blood flow response to milrinone in patients with severe congestive heart failure: a dose-ranging study.

This study was undertaken to assess the hemodynamic efficacy, changes in regional blood flow, and safety of milrinone over a range of intravenous bolus injections (12.5 to 125 micrograms/kg), a continuous 18-hour infusion (0.2 to 0.7 microgram/kg/min), and following oral administration. All eighteen patients with New York Heart Association class III or IV congestive heart failure demonstrated hemodynamic improvement following intravenous bolus therapy. Dose-related increases in cardiac index occurred, ranging from a 12 +/- 6% increase following a 12.5 micrograms/kg bolus to a 37 +/- 10% increase after 75 micrograms/kg. Pulmonary wedge pressure fell 17 +/- 5% following 12.5 micrograms/kg and 28 +/- 9% following 75 micrograms/kg. Little change was apparent during the continuous infusion except for a late increase in cardiac index, but similar changes occurred in response to a single oral dose. Forearm blood flow increased significantly after 3 hours in the two higher infusion groups, but there was no consistent change in hepatic blood flow. We conclude that hemodynamic parameters and forearm blood flow are improved in patients with severe congestive heart failure following intravenous and short-term oral milrinone therapy.

Administration, Oral↗
PubMed1987

Feasibility of large-scale cholesterol screening: experience with a portable capillary-blood testing device.

We conducted a voluntary cholesterol screening in a medical/occupational setting using the Eastman Kodak Ektachem (desk top) blood analyzer. In 10 hours, five technicians performed a finger-stick puncture on 1,081 screenees, 17.7 per cent of whom were classified as moderate-to-high risk. The cost per screenee was under $3; cost per moderate-to-high risk case was under $16. Turn-around time from check-in to report of result was under one hour. This project suggests the feasibility and acceptability of large-scale cholesterol blood screening.

Adult↗
PubMedDate not supplied

ICU nurse-physician collaboration & nursing satisfaction.

ICU nurses who are satisfied with their work are more likely to be retained, leading to institutional cost savings. In this study, higher levels of nurse-physician collaboration in making decisions about patient care were found to be very important to nurses' satisfaction.

Decision Making↗
PubMedDate not supplied

Two instruments to measure interdisciplinary bioethical decision making.

OBJECTIVE: To develop and test two instruments measuring decision making about level of aggressiveness of intensive care unit (ICU) patient care. Decisions about Aggressiveness of Patient Care (DAC) measures care providers' general perceptions about decision making. Decisions about Aggressiveness of Patient Care for Specific Patients (DAC[SP]) measures perceptions in specific situations. DESIGN: Two-phase psychometric instrument evaluation. SETTING: Phase I, nationally mailed questionnaire. Phase II, northeastern medical center medical ICU. SUBJECTS: Phase I, 22 ICU nurse and physician experts. Phase II, 35 medical ICU staff nurses and eight medical resident physicians. OUTCOME MEASURE: Psychometric properties of instruments. RESULTS: Content validity of both tools was supported by their development from the literature and by the experts. Face validity was supported by the experts, staff nurses, and medical resident physicians. Both instruments had variance in responses, internal consistency reliability (r = 0.53, r = 0.73) and, test-retest reliability (r = 0.73). CONCLUSION: These instruments may enrich our understanding of how care providers make bioethical decisions for ICU patients. Such understanding could assist with development of interventions to increase collaborative interdisciplinary decision making, leading to increased care provider satisfaction and better patient outcomes.

Attitude of Health Personnel↗
PubMedDate not supplied

Collaborative interdisciplinary bioethical decision making in intensive care units.

There is strong support in the literature for involvement of nurses with patients and physicians in bioethical decision making about patient care. There are indications that nurses and physicians have different beliefs about decisions made and about the decision-making processes, such as who should be involved and what factors should influence such decisions. The literature also demonstrates that nurses often disagree with physicians or are not involved in ethical decision making or both. Interdisciplinary collaboration has been proposed to improve decision making and recommended for health care giving generally. There is research support for the benefit of collaboration in care giving. Ethical principles also support collaborative decision making, involving nurses, as well as physicians, patients, and family. With collaboration there is sharing of information and perspectives, respect for patient and family autonomy, and disclosure. More studies of interdisciplinary bioethical decision making are needed, measuring both professions' perceptions of their roles in ethical decision making, as well as examining the effects of collaboration on care outcomes.

Decision Making, Organizational↗