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NCT Number: NCT01835444

A Multicenter Research on the Effects of Substitution of Hospital Ward Care From Medical Doctors to Physician Assistants

Reallocation of healthcare is one solution to the problems healthcare is facing. In the Netherlands reallocation of care to Physician Assistants (PAs) hasn't adequately been studied. Given the growing number of PAs, it is essential to evaluate the effectiveness and efficacy of (Dutch) PA services.

This multicenter matched-controlled study aims to evaluate the (cost) effectiveness of substitution of hospital ward care from medical doctors (MDs) to PAs. The traditional model in which the role of house officer is taken by medical doctors MD model) will be compared with a mixed model in which a PA functions as house officer together with a medical doctor (PA/MD model). Hospital wards will be matched on medical specialism and hospital type (i.e. academic;non-academic). On the basis of USA studies, it is hypothesized that the mixed PA/MD model compared to the MD model reduces the costs of healthcare, while improving or maintaining the clinical outcomes, patients and provider satisfaction, and continuity and quality of care.

Primary research question:

• What is the effect of 'mixed PA/MD model' compared with 'MD model' on efficiency of care?

Secondary research questions:

* What is the effect of 'mixed PA/MD model' compared with 'MD model' on clinical and patients outcomes? * What is the effect of 'mixed PA/MD model' compared with 'MD model' on continuity of care? * What is the effect of 'mixed PA/MD model' compared with 'MD model' on nurses and (specialist) medicals doctor experiences? * What are the barriers and facilitating factors considering the implementation of PAs as house officer?

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Scheper Ziekenhuis, Emmen, Drenthe, Netherlands

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Wards using a mixed PA/physician model (with PA ward coverage of at least 50% of the available ward hours per week, during dayshifts on weekdays) or a physician model (daily coverage by a (specialized medical doctor)

Exclusion criteria

on ward level:

  • Wards from specialty hospitals
  • Wards with only PAs in training
  • Wards with a nurse practitioner (NP) in the role of house officer (NP, NP/MD or PA/NP/MD model)
  • Pediatric and psychiatric wards, intensive care units

Exclusion criteria

on patient level:

  • Terminal patients
  • Not fluent in Dutch language
  • Age < 18 years
  • Patients in daycare

Treatment and study plan

PA/MD model

Other

Intervention wards are hospital wards at which ward care is provided by both Physician Assistants (PAs) and Medical Doctors (MDs)

Primary outcomes

  1. Length of hospital stay

    Time frame: Patients will be followed for the duration of hospital stay; an expected average of 6 days

    The difference between date of discharge and date of admission

Secondary outcomes

  1. Efficiency of care

    Time frame: Patients will be followed from hospital admission till 1 month after discharge; an expected average of 1 month and 6 days

    Relevant costs associated with the principal admission (length of hospital stay, resource use, consultation of health care suppliers, salaries) and costs that occurred after discharge (unplanned readmission, presentation at emergency departments, visits of general practitioner, required home care) will be calculated, considering a follow-up period from admission until 1 month after discharge. All volumes will be collected in detail at an individual patient level, primarily from medical patient records and patient and care provider questionnaires. Medical costs will be calculated by multiplying the volumes of healthcare use with corresponding unit prices, derived from the Dutch Manual for Costing Research

  2. Quality of hospital ward care

    Time frame: Patients will be followed from hospital admission till 1 month after discharge; an expected average of 1 month and 6 days

    To estimate the quality of ward care, a set of objective indicators has been developed through literature review and clinical input from a physician panel. We have selected both clinical indicators and process indicators, with a follow-up period of maximum 1 month after discharge. Clinical indicators were based on the national set of indicators for quality of hospital care from the Dutch Health Care Inspectorate (IGZ) and consider the incidences of inhospital mortality, cardiopulmonary resuscitation, unplanned readmission, presentation at emergency department after discharge,unplanned transfer to Intensive Care Unit, development of hospital infections, pressure sore and fever, and pain scores . Process indicators are the number of days between a patients discharge and the date of written turnover to general practitioner or other hospital, and acquaintance with the patient within 24 hours after admission

  3. Patient quality of life

    Time frame: Patients will be followed from hospital admission till 1 month after discharge; an expected average of 1 month and 6 days. Measurements of quality of life will be performed at hospital admission, hospital discharge and 1 month after discharge

    Patient experienced quality of life will be measured by the EQ-5D questionnaire. This questionnaire will be distributed at hospital admission, hospital discharge, and 1 month after discharge

  4. Feasibility, barriers and facilitators

    Time frame: 12 months

    Semi-structured (group)interviews will be held with PAs, (specialized) medical doctors, ward nurses and heads of the departments. The interviews will cover experiences with the utilized ward model, communication between professionals, satisfaction, and barriers and facilitators related to the utilization of the 'mixed PA/MD model'. Specific attention will be paid to the role and functioning of PAs

  5. Care provider experiences

    Time frame: 12 months

    Job satisfaction, subjective workload and stress reaction of PAs, (specialized) medical doctors and ward nurses will be measured by a self-administered questionnaire. Job satisfaction will be measured by an adapted version of the job satisfaction questionnaire of McCranie, stress reaction will be measured by a short version of the General Health Questionnaire (GHQ-12)

    Objective workload will be measured by calculating the ratio between number of working hours at the hospital ward, and the number of patients the PA or medical doctor is responsible for.

  6. Continuity of care

    Time frame: 4 months

    Continuity of care will be measured by deriving the number of rotations of PAs and medical doctors at the hospital ward from work schedules, which will be assessed during 4 weeks, spread over 4 months

  7. Patient experiences with hospital ward care

    Time frame: Patients will be followed for the duration of hospital stay; an expected average of 6 days. Measurement of patient experiences will be performed at discharge

    Patient experiences with medical ward care will be assessed by a self-administered questionnaire at discharge. This questionnaire focuses on satisfaction with communication, experienced continuity of care and cooperation, and the patients view on the medical competencies of the ward care provider

Sponsors and collaborators

Lead sponsor

Radboud University Medical Center

Other

Collaborators

  • ZonMw: The Netherlands Organisation for Health Research and Development

Registry information

Official study title

Worthy Assistants: Does Substituting Hospital Ward Care From Medical Residents to Physician Assistants Result in Cost Savings?

Important dates

Study start
2013
Primary completion
2015
Study completion
2015
First posted
Apr 19, 2013
Registry last updated
May 14, 2015

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.