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Related Concept Videos

Observational Studies01:11

Observational Studies

10.7K
Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
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Data Collection by Observations01:08

Data Collection by Observations

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Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
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Naturalistic Observations02:30

Naturalistic Observations

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If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
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Related Experiment Video

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Measuring Light-Switching Behavior Using an Occupancy and Light Data Logger
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Operating Room Traffic, Door Opening and Closing: A Clinical Observational Study.

Arzu Aslan Basli1,2, Ayşe Gökce Işıklı1,2, Serhat Hüseyin3,4

  • 1Trakya University Keşan Hakki Yörük, School of Health Nursing Department.

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|January 13, 2026
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Cardiovascular surgery operating rooms experience frequent door openings, averaging 74 per procedure. Many entries, including 20.3%, were unrelated to surgery, potentially impacting air quality and infection risk.

Keywords:
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Area of Science:

  • Healthcare Management
  • Surgical Safety
  • Infection Control

Background:

  • Operating room (OR) traffic, including door openings and personnel movement, is a critical factor in maintaining a sterile environment.
  • Frequent OR door openings can compromise air quality and increase the risk of surgical-site infections (SSIs).

Purpose of the Study:

  • To quantify the frequency of operating room door openings during cardiovascular surgery.
  • To determine the number of personnel entering and exiting the operating room.
  • To identify the primary reasons for entries and exits during these procedures.

Main Methods:

  • A descriptive observational study was conducted in a university hospital's cardiovascular surgery operating rooms.
  • Data were collected using an "Intraoperative Observation Form" during 22 consecutive surgeries.
  • Descriptive statistics were employed to analyze the collected data.

Main Results:

  • The mean number of door openings per cardiovascular surgery procedure was 74.18 (±41.54), equating to 16.92 (±7.33) openings per hour.
  • Support staff (27.8%), nurses (24.7%), and perfusionists/others (18.9%) were the most frequent door openers.
  • Equipment retrieval (27.2%) was the leading reason for entry, with 20.3% of entries unrelated to the ongoing surgery.

Conclusions:

  • High operating room traffic, evidenced by frequent door openings and personnel movement, may negatively impact air quality and increase SSI risk.
  • Recommendations include educational initiatives, enhanced equipment planning, and institutional policies to minimize unnecessary traffic.
  • Reducing OR door openings and personnel movement is crucial for maintaining a sterile surgical field and improving patient outcomes.