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Related Concept Videos

Anatomical Positions01:11

Anatomical Positions

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In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
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Evaluating the Optimal Operating Table Height for ProSeal-LMA™ Insertion.

Song Lin Low1,2, Azlina Masdar1, Nadia Md Nor1

  • 1Department of Anaesthesiology and Intensive Care, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Bandar Tun Razak, Cheras 56000, Kuala Lumpur, Malaysia.

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Optimizing operating table height is crucial for successful ProSeal-Laryngeal Mask Airway (P-LMA) insertion. Positioning the table at the lowest rib margin significantly improved P-LMA placement success rates in patients undergoing general anesthesia.

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Area of Science:

  • Anesthesiology
  • Medical Devices
  • Patient Safety

Background:

  • The ProSeal-Laryngeal Mask Airway (P-LMA) is a widely used device for airway management during general anesthesia.
  • Suboptimal P-LMA positioning and associated airway complications can occur despite correct insertion techniques.

Purpose of the Study:

  • To investigate whether operating table height influences the success rate of P-LMA placement.
  • To identify optimal operating table positioning for improved P-LMA insertion outcomes.

Main Methods:

  • A study involving 138 adult patients (ASA I-II) undergoing general anesthesia was conducted.
  • Patients were randomized into three groups based on operating table height aligned with the umbilicus, lowest rib margin, or xiphoid.
  • Successful P-LMA placement was assessed using positional and performance tests after muscle paralysis.

Main Results:

  • The P-LMA placement success rate was significantly higher when the operating table was positioned at the lowest rib margin (p=0.002).
  • No significant differences were observed among the three positions regarding insertion duration, ease of insertion, or airway morbidities.

Conclusions:

  • The lowest rib margin serves as an effective anatomical landmark for optimizing operating table height.
  • This positioning strategy can enhance the success rate of ProSeal-Laryngeal Mask Airway placement.